CN104104092B - A kind of single-phase intelligent expansion joint electric controller and control method thereof - Google Patents
A kind of single-phase intelligent expansion joint electric controller and control method thereof Download PDFInfo
- Publication number
- CN104104092B CN104104092B CN201410299851.0A CN201410299851A CN104104092B CN 104104092 B CN104104092 B CN 104104092B CN 201410299851 A CN201410299851 A CN 201410299851A CN 104104092 B CN104104092 B CN 104104092B
- Authority
- CN
- China
- Prior art keywords
- circuit
- resistance
- electric capacity
- electric
- processing unit
- 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.)
- Expired - Fee Related
Links
Classifications
-
- 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
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Control Of Electrical Variables (AREA)
Abstract
The invention belongs to electric-electronic power saving control field; it is specifically related to a kind of single-phase intelligent expansion joint electric controller and control method thereof; including central processing unit, Saving Power Control Circuit, the first power supply, second source; described central processing unit is electrically connected with Saving Power Control Circuit; display circuit, electric energy metrical testing circuit with central processing unit electrical connection; balance change-over circuit, current-limiting protection circuit with the electrical connection of electric energy metrical testing circuit; with the voltage transformer of current-limiting protection circuit electrical connection, the current transformer being electrically connected with balance change-over circuit；The present invention can be with the electricity consumption situation of real-time tracking user, how to detect the power consumption efficiency judging on circuit, eliminating fixed knot electrical equipment becomes the hidden danger of capacitive load so that be in high efficiency electricity condition with the electric line moment, thus reach the effect of economize on electricity, preferably reach the effect of economize on electricity.
Description
Technical field
The present invention relates to electric-electronic power saving control field, be specifically related to a kind of single-phase intelligent expansion joint electric control
Device and control method thereof.
Background technology
Single-phase electricity-saving device major part in the market is all plug and play, is fixedly connected on circuit, economize on electricity
Effect is not that the power quality of user is constantly to become it is obvious that be because user house to be mounted with a lot of electrical equipment
Change.Therefore, not there is the electricity-saving appliance of real-time tracking domestic consumer's power quality, the economize on electricity effect of its electricity-saving appliance
Fruit is unconspicuous.Because when household electrical appliance quit work, electricity-saving appliance remains attached on circuit, this
Time, electricity-saving appliance is also the electric equipment of a potential power consumption simultaneously.Therefore, the economize on electricity being connected on circuit
Device can become the hidden danger of waste electrical equipment on the contrary.Along with the economic development of China, the living standard of the people is not
Disconnected raising, every household all adds a lot of household electrical appliance, and the irrational utilization of the energy also gets more and more.
Therefore, development circuit can be had the home economizer of regulation in real time could really meet energy-saving and emission-reduction in the urgent need to.
Single-phase electricity-saving device is fixedly connected on circuit the most unreasonable, when not loading on circuit, and fixed knot
Electrical equipment will become a capacitive load, when there being load on circuit, during power consumption efficiency height, connects on the line
The fixed knot electrical equipment of circuit also can become a capacitive load, only when the power consumption efficiency on circuit is low, fixing
Electricity-saving appliance just can play raising efficiency, thus reaches the effect of economize on electricity purpose, but the power quality of family is again
Being continually changing, single fixed knot electrical equipment cannot play the effect of economize on electricity constantly.
Summary of the invention
The purpose of the present invention is for solving the problems referred to above, it is provided that a kind of single-phase intelligent joint controls electrical equipment and control thereof
How method, can detect, with the electricity consumption situation of real-time tracking user, the power consumption efficiency judging on circuit, eliminates
Fixed knot electrical equipment becomes the hidden danger of capacitive load so that be in high efficiency electricity condition with the electric line moment,
Thus reach the effect of economize on electricity, preferably reach the effect of economize on electricity.
For achieving the above object, the technical scheme is that
A kind of single-phase intelligent expansion joint electric controller, it is characterised in that including: central processing unit, economize on electricity control
Circuit processed, the first power supply, second source, described central processing unit is electrically connected with Saving Power Control Circuit, also
Including the display circuit being electrically connected with central processing unit, electric energy metrical testing circuit, detect with electric energy metrical
The balance change-over circuit of circuit electrical connection, current-limiting protection circuit, with the electricity of current-limiting protection circuit electrical connection
Pressure transformer, with the current transformer of balance change-over circuit electrical connection；
Described first power supply is connected with Saving Power Control Circuit, described second source and central processing unit and electric energy meter
Amount testing circuit connects；
Described Saving Power Control Circuit, voltage transformer, current transformer are also electrically connected with line.
It is to be understood that most of single-phase electricity-saving device in the market can play its power savings, it is
There being household electrical appliance to open just, the electrical equipment in circuit is carried out joint compensation, not there is user in real-time monitoring circuit
Power quality, in this programme, the power quality of user in circuit can be monitored in real time, at any time in circuit
Electrical equipment carry out power back-off, when the user power utilization quality in circuit is preferable, can automatically excise in circuit
Economize on electricity compensation control circuit.
Preferably, described Saving Power Control Circuit include triode Q1, relay K 1, light emitting diode D1,
Diode D2, resistance R40, resistance R41, resistance R42 and electric capacity C40 and electric capacity C41, described three
The base stage of pole pipe Q1 is connected in series with central processing unit by resistance R40, and emitter stage is connected to ground, colelctor electrode
It is connected with crus secunda, the anode of diode D2 of relay K 1, the negative electrode and first of described diode D2
Power supply, the first pin of relay K 1 connect, one end string of the 3rd pin of described relay K 1 and inductance L1
Connection connects, and the 4th pin of relay K 1 is connected with the N end points of line, described electric capacity C40 and electric capacity
After C41 parallel connection, one end is connected in series with the inductance L1 other end, one end of resistance R41, electric capacity C40 and electric capacity
The other end after C41 parallel connection is connected with the L end points of line, and the other end of described resistance R41 is with luminous
The negative electrode of diode D1, one end of resistance R42 are connected in series, the anode of described light emitting diode D1 and city
The L end points of electric line connects, and the other end of described resistance R42 is connected with the L end points of line.So
While can compensating circuit as economize on electricity, filter produced high frequency ripple in circuit the most simultaneously, eliminate line
The ripple impact on power factor compensation.
Further, described Saving Power Control Circuit includes at least a road or the control circuit of multi-channel parallel.
It is further preferred that described Saving Power Control Circuit is the control circuit that four tunnels are in parallel.
Selecting single channel Saving Power Control Circuit, make circuit-line be always held at preferably and use electricity condition, introducing is many
Road intelligent control power saving control circuit, makes the power quality in circuit be in optimal use electricity condition,
Further, described central processing unit is connected with the SPI universal serial bus of electric energy metrical testing circuit, institute
The model stating electric energy metrical testing circuit is RN8209.
Concrete, the 4th pin of electric energy metrical testing circuit RN8209 is by balance change-over circuit and the 5th pin electricity
Gas connects, and the octal of described electric energy metrical testing circuit RN8209 is electrically connected with current-limiting protection circuit.
Preferably, the voltage of the octal of described electric energy metrical testing circuit RN8209 is 12V, the 4th pin with
Between 5th pin, voltage difference is 6V.
In single-phase economize on electricity controls, electric energy metrical testing circuit is data acquisition unit, has both needed to ensure that performance is steady
Fixed, accurate and reliable, in addition it is also necessary to the simple in construction of circuit, process data function are complete, and price is also wanted
Cheap metering circuit；RN8209 is the electric energy metrical testing circuit that function is the most complete, processes data fast,
Fairly simple with central processing unit connected mode, easy to use, accuracy is high.
The present invention also provides for the control method of above-mentioned a kind of single-phase intelligent expansion joint electric controller, it is characterised in that
After the electricity-saving controller energising of the present invention, whole electricity-saving controller is initialized by central processing unit, its control
Method processed is carried out as follows:
Step A: systematic parameter is initialized；The register of central processing unit resets, and arranges central authorities
The interrupt working manner of processor, by the central processing unit serial number to electric energy metrical testing circuit RN8209
Initial value is composed, subsequently into the active power in detection circuit according to input interface；
Step B: show initialized parameter, display circuit display central processing unit read through electric energy metrical
Active power, effective current and effective voltage in testing circuit RN8209 computing circuit；
Step C: start power grid quality and measure, described step C is to measure according to step B and the electrical network of display
The data result of power quality judges, if it is excellent for measuring power factor of electric network, returns step A, if surveying
Power factor in amount electrical network for poor, then proceeds to step D；
Step D: interrupt module processes；Central processing unit read step C measurement data, enters interrupt module
Processing, if the power factor in electrical network is negative, the relay in Saving Power Control Circuit is cut-off exits compensation
Electric capacity, if the power factor in electrical network is less than 0.93, then starts the relay of Saving Power Control Circuit, and puts into
Compensating electric capacity, electricity-saving controller carries out power back-off in electrical network.
Preferably, it is excellent more than or equal to 0.94 that described step C measures the power factor in electrical network, is less than or equal to
0.93 for poor.
Preferably, described step D electricity-saving controller carries out the power factor of power back-off in line
Scope is between 0.94～0.99.
The present invention compared with prior art, has the advantages that
The present invention and prior art measuring method not only efficiently and accurately, reliability height, precision is high, monitors in real time
With the power quality followed the tracks of in line, intelligent energy-saving can be realized and compensate the purpose controlled, and carry out automatically
Power compensation, can remove the high frequency ripple in circuit, and eliminating fixed knot electrical equipment becomes the hidden of capacitive load
Suffer from, make the power quality in circuit be in optimal state, reached the effect of energy-saving compensated, cost is relatively low,
Use extensively.
Accompanying drawing explanation
In order to be illustrated more clearly that present example or technical scheme of the prior art, below will be real to implementing
Accompanying drawing required in example or description of the prior art does to be introduced simply, it is clear that the accompanying drawing in describing below is only
It is only some examples of the present invention, to those skilled in the art, before not paying creativeness
Put, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is one single-phase intelligent expansion joint electric controller structural representation of the present invention.
Fig. 2 is the schematic diagram of the electric energy metrical testing circuit of the specific embodiment of the invention.
Fig. 3 is the schematic diagram of the Saving Power Control Circuit of the specific embodiment of the invention.
Fig. 4 is one single-phase intelligent expansion joint electric controller control method structural representation of the present invention.
Fig. 5 is the schematic diagram of the interruption processing method flow process of control method specific embodiment of the present invention.
Fig. 6 is the schematic diagram of the Saving Power Control Circuit of another embodiment of the present invention.
In accompanying drawing, 1-the first power supply, 2-display circuit, 3-second source, 4-central processing unit, 5-economizes on electricity control
Circuit processed, 6-electric energy metrical testing circuit, 7-balances change-over circuit, 8-current transformer, 9-current-limiting protection electricity
Road, 10-current transformer,
Detailed description of the invention
Below in conjunction with the accompanying drawing in present example, the technical scheme in the embodiment of the present invention is carried out clear,
It is fully described by, it is clear that described embodiment is only a part of embodiment of the present invention rather than all
Embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative labor
The every other embodiment obtained under dynamic premise, broadly falls into the scope of protection of the invention.
See Fig. 1, give the present invention structural representation of a kind of single-phase intelligent expansion joint electric controller, including
Central processing unit 4, Saving Power Control Circuit the 5, first power supply 1, second source 3, described central processing unit 4
It is electrically connected with Saving Power Control Circuit 5, also includes the display circuit 2 with central processing unit 4 electrical connection, electricity
Energy gauge check circuit 6, protects with balance change-over circuit 7, the current limliting of electric energy metrical testing circuit 6 electrical connection
Protection circuit 9, the voltage transformer 10 being electrically connected with current-limiting protection circuit 9, with balance change-over circuit 7 electricity
The current transformer 8 that gas connects.
Wherein, central processing unit 4 uses AT89S52 single-chip microcomputer, electric energy metrical testing circuit 6 to use
RN8209 chip, the first power supply 1 exports+12V (VCC) supply voltage, and to Saving Power Control Circuit 5
Thering is provided power supply, second source 3 provides+5V supply voltage to central processing unit 5, electric energy metrical testing circuit 6.
See Fig. 2, as the specific embodiment of the present invention, described voltage transformer 10, current transformer 8
It is to be electrically connected with 220V AC line, current transformer 8 and the L end points of 220V AC line
(zero line) concatenates in the line, is sampled the electric current in circuit, voltage transformer 10 and N end points (fire
Line) connect, the voltage in circuit is sampled, in embodiments of the present invention, current transformer 8 is sampled
Electric current signal after overbalance change-over circuit 7, input the most respectively the 4th pin of RN8209 and the 5th pin it
Between, the signal that the voltage of voltage transformer 10 sampling exports after current-limiting protection circuit 9, then input
The octal of RN8209, wherein, the voltage of the octal input of RN8209 is 12V, the 4th pin and the 5th pin
Between voltage difference be 6V.Wherein, the serial number of central processing unit 4 and electric energy metrical testing circuit RN8209
According to the 13rd pin (SDO) of mouth, the 14th pin (SDI), the 15th pin (SCLK), the 16th pin (SCSN)
Connect respectively.Seeing Fig. 2, as the specific embodiment of the present invention, described balance change-over circuit includes resistance
R1, resistance R2, resistance R3, resistance R4, resistance R5, electric capacity C1, electric capacity C2 and electric capacity C3, described
One end of resistance R1, one end of resistance R2, resistance R4 one end respectively with an output of current transformer
Connect, the other end of resistance R1, one end of resistance R3, resistance R5 one end respectively with current transformer
Another output connects, the other end of described resistance R4, one end of electric capacity C1, one end difference of electric capacity C3
It is connected with the 4th pin of electric energy metrical testing circuit RN8209, the other end of described resistance R5, electric capacity C2
One end, the other end the 5th pin with electric energy metrical testing circuit RN8209 respectively of electric capacity C3 are connected, described
The other end of resistance R2, the other end of resistance R3, the other end of electric capacity C1, electric capacity C2 the other end all
It is connected to ground, is turned by balance and the electric current that current transformer exports is converted to differential voltage input electric energy meter
Amount testing circuit RN8209 carries out metering process.
Seeing Fig. 1 and Fig. 3, as highly preferred embodiment of the present invention, described Saving Power Control Circuit 5 includes three
Pole pipe Q1, relay K 1, light emitting diode D1, diode D2, resistance R40, resistance R41 and electricity
Resistance R42 and electric capacity C40 and electric capacity C41, the base stage of described triode Q1 is by resistance R40 and central authorities
The P0.0 pin serial connection of processor 4 connects, and emitter stage is connected to ground, colelctor electrode and the second of relay K 1
Pin, the anode of diode D2 connect, the negative electrode of described diode D2 and the first power supply 1, relay K 1
First pin connect, the 3rd pin of described relay K 1 is connected in series with one end of inductance L1, relay K 1
The 4th pin be connected with the N end points (live wire) of 220V AC line, described electric capacity C40 and electric capacity
After C41 parallel connection, one end is connected in series with the inductance L1 other end, one end of resistance R41, electric capacity C40 and electric capacity
The other end after C41 parallel connection is connected with the L end points of 220V AC line, another of described resistance R41
Negative electrode, one end of resistance R42 with light emitting diode D1 is held to be connected in series, described light emitting diode D1's
Anode connects in the L end points (zero line) of 220V AC line, the other end of described resistance R42 and 220V
The L end points (zero line) of AC line connects.
When Saving Power Control Circuit 5 carries out power back-off to line, the P0.0 pin of central processing unit 4
The output high level base stage by resistance R40 to triode Q1, now, after triode Q1 conducting, makes to continue
Electrical equipment K1 close, meanwhile, by inductance L1, electric capacity C40, electric capacity C41 and divider resistance R40,
The compensation circuit of resistance R41 composition, carries out power back-off to line, and light emitting diode D1 indicates circuit
The duty of middle power back-off.Diode D2 protection is arranged for relay K 1, prevents relay
The big electric current produced when K1 starts suddenly is damaged.
Seeing Fig. 1, the present invention also provides for the control method of a kind of single-phase intelligent expansion joint electric controller, at this
In invention control method ,+12V (VCC) supply voltage of the first power supply 1 output, and control electricity to economize on electricity
Road 5 provides power supply, and second source 3 provides+5V power supply to central processing unit, electric energy metrical testing circuit 6
Voltage, described central processing unit 4 and Saving Power Control Circuit 5, display circuit 2, electric energy metrical testing circuit 6
Electrical connection, wherein, electric energy metrical testing circuit 6 also with balance change-over circuit 7, current-limiting protection circuit 9 electricity
Gas connects, and current-limiting protection circuit 9 is electrically connected with voltage transformer 10, and balance change-over circuit 7 is mutual with electric current
Sensor 8 is electrically connected.Described Saving Power Control Circuit 5, voltage transformer 10, current transformer 8 are gone back and 220V
AC line is electrically connected.Wherein, central processing unit 4 uses AT89S52 single-chip microcomputer, electric energy metrical
Testing circuit 6 uses RN8209 chip.
See Fig. 2, as the specific embodiment of the present invention, described voltage transformer 10, current transformer 8
It is electrically connected with 220V AC line, current transformer 8 and the L end points (zero of 220V AC line
Line) concatenate in the line, the electric current in circuit is sampled, voltage transformer 10 and N end points (live wire)
Connect, the voltage in circuit is sampled, in invention the present embodiment, the electricity of current transformer 8 sampling
Flow through the signal after overbalance change-over circuit 7, input the 4th pin and the 5th pin, the voltage of RN8209 the most respectively
The signal that exports after current-limiting protection circuit 9 of voltage of transformer 10 sampling, then input the of RN8209
Octal.Wherein, the voltage of the octal input of RN8209 is 12V, voltage difference between the 4th pin and the 5th pin
For 6V.Wherein, the serial data bus (SPI) of central processing unit 4 and electric energy metrical testing circuit RN8209
13rd pin (SDO) of mouth, the 14th pin (SDI), the 15th pin (SCLK), the 16th pin (SCSN)
Connect respectively.Wherein, the 16th pin (SCSN) is chip selection signal pin, when exporting with central processing unit 4
Make chip selection signal SCSN pin from high level become low level time, now central processing unit 4 and RN82099
Serial data bus (SPI) write or read data, now central processing unit 4 by the 13rd pin (SDO),
14th pin (SDI) and the 16th pin (SCSN) clock control signal are to the serial number of RN82099
Write according to bus (SPI) or read data.
Seeing Fig. 1 and Fig. 3, as in highly preferred embodiment of the present invention, Saving Power Control Circuit 5 includes triode
Q1, relay K 1, light emitting diode D1, diode D2, resistance R40, resistance R41 and resistance R42
And electric capacity C40 and electric capacity C41, the base stage of described triode Q1 is by resistance R40 and central processing unit 4
P0.0 pin serial connection connect, emitter stage is connected to ground, colelctor electrode and the crus secunda of relay K 1, two poles
The anode of pipe D2 connects, and the first pin of the negative electrode of described diode D2 and the first power supply 1, relay K 1 connects
Connecing, the 3rd pin of described relay K 1 is connected in series with one end of inductance L1, the 4th pin of relay K 1
It is connected with the N end points (live wire) of 220V AC line, after described electric capacity C40 and electric capacity C41 parallel connection
One end is connected in series with the inductance L1 other end, one end of resistance R41, and electric capacity C40 and electric capacity C41 is in parallel
After the L end points (zero line) of the other end and 220V AC line, the other end of described resistance R41 with
The negative electrode of light emitting diode D1, one end of resistance R42 are connected in series, the anode of described light emitting diode D1
In the L end points (zero line) of 220V AC line, the other end of described resistance R42 and 220V AC
The L end points (zero line) of line.
Concrete, seeing Fig. 4 and Fig. 5, after the electricity-saving controller energising of the present invention, central processing unit 4 is to whole
Individual electricity-saving controller initializes, and its control method is carried out as follows:
Step A: systematic parameter is initialized；The register of central processing unit 4 resets, and arranges
The interrupt working manner of central processor 4, by central processing unit 4 to the serial data mouth of RN8209 the tenth
The system initial value of four pin pin (SDI) write RN8209, starts data serial communication register, interrupts posting
Storage, metering register and active power metering register, then, RN8209 is respectively to current transformer
The electric current of 8 samplings and the electric current of voltage transformer 10 sampling calculate.
Step B: show that initialized parameter, display circuit 2 show in central processing unit 4 read step A
After RN8209 initializes, active power, effective current and the effective voltage in computing circuit, and
Showing in display circuit 2, wherein, display circuit 2 uses LCDs, and the parameter of display is also wrapped
Include active power verification, the parameter of reactive power verification.
Step C: start power grid quality and measure, described step C is to measure according to step B and display result,
Judge the power quality of user in power network line, if it is excellent that power factor of electric network is measured in monitoring, return step A,
If it is poor that the power factor in electrical network is measured in monitoring, then proceed to step D, in the present embodiment, power factor
It is excellent more than or equal to 0.94, less than or equal to 0.93 for poor.
Step D: interrupt module processes；Seeing Fig. 4 and Fig. 5, central processing unit 4 read step C measures number
According to rear, enter interrupt module and process, if the power factor in power network line is negative, i.e. in power network line
During for overcompensation, the relay K 1 in Saving Power Control Circuit 5 is cut off and exits compensation electric capacity, at end interrupt
Reason, if the power factor in electrical network is 0 to 0.93, when i.e. power network line is undercompensation, then starts economize on electricity control
The relay of circuit processed, and access compensation electric capacity, Saving Power Control Circuit 5 carries out power back-off in electrical network,
And end interrupt processes.
As highly preferred embodiment of the present invention, the scope of power factor metering is between-1～1, and detection is measured
When result is between-1～0, circuit electrical network is in overcompensation state；Power factor is between 0 to 0.93
Time, i.e. electrical network is undercompensation.Described step D Saving Power Control Circuit carries out power back-off in line
The scope of power factor 0.94～0.99, then can make power network line power quality reach and remain at optimum shape
State.When being in overcompensation state in circuit, the result of detection metering is less than 0.0, then central processing unit 4
The metering display result judged is negative.
Seeing Fig. 1～Fig. 5, will be further elaborated the operation principle of the present invention, current transformer 8 takes
Electric current in sample line, voltage transformer 8 samples voltage in line, then inputs electric energy metrical
The parameters such as the active power in line, the verification of merit power, reactive power verification are carried out by testing circuit 6
Gauge check computing, central processing unit 4 reads the result of operational data, and judges the power quality on circuit
For excellent, or for poor, then then to triode Q1 base stage after the P0.0 pin of central processing unit 4 is connected with R40
Export corresponding level, then triode Q1 on or off, make switching off or closing of relay K 1,
Now, the compensation circuit of electric capacity C40, electric capacity C41, inductance L1, resistance R41 and resistance R42 composition is even
Receive in line, carry out power back-off to by electric line.When the electric appliance efficiency in circuit is high, i.e.
For time excellent, the P0.0 pin output low level signal of central processing unit 4 makes switching off of relay K 1,
Compensation electric capacity is cut, does not carry out power back-off on circuit, now, compensate the electric capacity C40 in circuit and
Electric capacity C41 is charged work.When the electric appliance efficiency in line is low, when being poor, centre
The P0.0 pin output high level signal of reason device 4 makes the switch of relay K 1 close, and will compensate circuit and access
In civil power electric line, compensate electric capacity C40, electric capacity C41 and inductance L1 and discharge resistance R41 and resistance
The discharge circuit of R42 composition, to carrying out power back-off in electric line.Now it is connected in parallel with resistance R42
Light emitting diode D1 can be shinny, instruction on circuit, carrying out power back-off.Meanwhile, inductance
L1, electric capacity C40, electric capacity C41, resistance R41 and resistance R42's in circuit can be with in filtering circuit
Circuit in high-frequency ripple.
See Fig. 1, Fig. 2 and Fig. 6, as another embodiment of the present invention, be that the economize on electricity of single channel is controlled
Circuit 5 carries out composing in parallel the economize on electricity compensation control circuit on four tunnels, and electric energy metrical testing circuit 6 is according to electric current
After the voltage that transformer 8 samples the electric current in circuit, voltage transformer 8 samples in circuit carries out calculation process,
Central processing unit 4 reads operational data result and judges the power consumption efficiency of electrical equipment in circuit, central processing unit 4
Select Guan Bi the Ith tunnel, the IIth tunnel, the IIIth tunnel or the economize on electricity of the IVth tunnel to compensate circuit, in circuit, carry out merit
Rate compensates.Or it is closed at the Ith～IV tunnel, or selects any several roads in Guan Bi the Ith～IV tunnel.
Wherein, the Ith tunnel, including triode Q1, relay K 1, light emitting diode D1, diode D2,
Resistance R40, resistance R41, resistance R42 and electric capacity C40 and electric capacity C41, the base of described triode Q1
Pole is connected with the P0.0 pin serial connection of central processing unit 4 by resistance R40, and emitter stage is connected to ground, current collection
Pole is connected with crus secunda, the anode of diode D2 of relay K 1, the negative electrode of described diode D2 and
One power supply 1, the first pin of relay K 1 connect, the 3rd pin of described relay K 1 and one end of inductance L1
Being connected in series, the 4th pin of relay K 1 is connected with the N end points of line, described electric capacity C40 and electricity
Hold one end after C41 parallel connection to be connected in series with the inductance L1 other end, one end of resistance R41, electric capacity C40 with
The L end points (zero line) of the other end after electric capacity C41 parallel connection and line, another of described resistance R41
Negative electrode, one end of resistance R42 with light emitting diode D1 is held to be connected in series, described light emitting diode D1's
Anode and the L end points (zero line) of line, the other end of described resistance R42 and the L end of line
Point.
When Saving Power Control Circuit 5 carries out power back-off to line, the P0.0 pin of central processing unit is defeated
Go out the high level base stage by resistance R40 to triode Q1, now, after triode Q1 conducting, make relay
Device K1 closes, meanwhile, by inductance L1, electric capacity C40, electric capacity C41 and divider resistance R40, electricity
The compensation circuit of resistance R41 composition, carries out power back-off, in light emitting diode D1 instruction circuit to line
The duty of power back-off.Diode D2 protection is arranged for relay K 1, prevents relay K 1
The big electric current produced when starting suddenly is damaged.
IIth tunnel, including triode Q2, relay K 2, light emitting diode D3, diode D4 and resistance
R43 and resistance R44, resistance R45, electric capacity C42, electric capacity C43 and the compensation circuit of inductance L2 composition.
IIIth tunnel, including triode Q3, relay K 3, light emitting diode D5, diode D6 and resistance
R46 and resistance R47, resistance R48, electric capacity C44, electric capacity C45 and the compensation circuit of inductance L3 composition.
IVth tunnel, including triode Q4, relay K 4, light emitting diode D7, diode D8 and resistance
R49 and resistance R50, resistance R51, electric capacity C46, electric capacity C47 and the compensation circuit of inductance L4 composition.
Wherein, in the IIth tunnel～the IVth tunnel, the annexation of each circuit components is identical with the Ith tunnel, each circuit
The function of components and parts is the most identical, is a difference in that, the base stage of triode Q2 is processed with central authorities by resistance R43
The P0.1 pin serial connection of device connects, and the base stage of triode Q3 is by the P0.2 of resistance R46 with central processing unit
Pin serial connection connects, and the base stage of triode Q4 is by the P0.3 pin serial connection of resistance R49 with central processing unit
Connect.
In the present embodiment, four pin of relay device K1～K4 are all simultaneously connected with at 220V AC line
On N end points (live wire), the base stage of triode Q1～Q4 respectively by resistance R40, resistance R43,
Resistance R46, resistance R49 are connected in series respectively with P0.0～the P0.3 pin of central processing unit, and control to continue
Electrical equipment K1～K4 is opened or closed, and selects to close several roads according to the power quality of wireline inspection and compensates circuit,
Power back-off is carried out in line, when selecting a road to compensate closing of circuit work, can be by circuit
Power factor compensation is to more than 0.94, and when selecting many compensation closings of circuit, the power factor in circuit can connect
It is bordering on 0.99, more efficiently improves the power factor in line, improve the effect compensated, reach
The purpose of economize on electricity.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit invention, all in the present invention
Spirit and principle within, any modification, equivalent substitution and improvement etc. made, should be included in invention
Within protection domain.
Claims (9)
1. a single-phase intelligent expansion joint electric controller, it is characterised in that: include central processing unit, economize on electricity
Control circuit, the first power supply, second source, described central processing unit is electrically connected with Saving Power Control Circuit,
Also include the display circuit with central processing unit electrical connection, electric energy metrical testing circuit, examine with electric energy metrical
The balance change-over circuit of slowdown monitoring circuit electrical connection, current-limiting protection circuit, with current-limiting protection circuit electrical connection
Voltage transformer, with the current transformer of balance change-over circuit electrical connection；
Described first power supply is connected with Saving Power Control Circuit, described second source and central processing unit and electric energy meter
Amount testing circuit connects；
Described Saving Power Control Circuit, voltage transformer, current transformer are also electrically connected with line；
Described Saving Power Control Circuit include triode Q1, relay K 1, light emitting diode D1, diode D2,
Resistance R40, resistance R41, resistance R42 and electric capacity C40 and electric capacity C41, the base of described triode Q1
Pole is connected in series with central processing unit by resistance R40, and emitter stage is connected to ground, colelctor electrode and relay K 1
Crus secunda, diode D2 anode connect, the negative electrode of described diode D2 and the first power supply, relay
First pin of K1 connects, and the 3rd pin of described relay K 1 is connected in series with one end of inductance L1, relay
4th pin of K1 is connected with the N end points of line, and described electric capacity C40 and electric capacity C41 is connected in parallel rear one
End is connected in series with the inductance L1 other end, one end of resistance R41, and electric capacity C40 and electric capacity C41 parallel connection are even
The other end after connecing is connected with the L end points of line, the other end of described resistance R41 and light emitting diode
The negative electrode of D1, one end of resistance R42 are connected in series, the anode of described light emitting diode D1 and line
L end points connect, the other end of described resistance R42 is connected with the L end points of line；
Described balance change-over circuit includes resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, electricity
Hold C1, electric capacity C2 and electric capacity C3, one end of described resistance R1, one end of resistance R2, resistance R4
One end is connected with an output of current transformer respectively, the other end of resistance R1, one end of resistance R3,
One end of resistance R5 is connected with another output of current transformer respectively, the other end of described resistance R4,
One end of electric capacity C1, one end of electric capacity C3 are connected with electric energy metrical testing circuit respectively, described resistance R5
The other end, one end of electric capacity C2, the other end of electric capacity C3 be connected with electric energy metrical testing circuit respectively,
The other end of described resistance R2, the other end of resistance R3, the other end of electric capacity C1, electric capacity C2 another
End is all connected to ground.
2. a kind of single-phase intelligent expansion joint electric controller as claimed in claim 1, it is characterised in that institute
State Saving Power Control Circuit including at least a road or the control circuit of multi-channel parallel.
3. a kind of single-phase intelligent expansion joint electric controller as claimed in claim 2, it is characterised in that described
Saving Power Control Circuit is the control circuit that four tunnels are in parallel.
4. require a kind of single-phase intelligent expansion joint electric controller as described in 1 such as profit, it is characterised in that described
Central processing unit is connected with the SPI universal serial bus of electric energy metrical testing circuit, described electric energy metrical testing circuit
Model be RN8209.
5. a kind of single-phase intelligent expansion joint electric controller as claimed in claim 4, it is characterised in that electricity
4th pin of energy gauge check circuit is electrically connected by balance change-over circuit and the 5th pin, and electric energy metrical detects
The octal of circuit is electrically connected with current-limiting protection circuit.
6. a kind of single-phase intelligent expansion joint electric controller as claimed in claim 5, it is characterised in that institute
The voltage of the octal stating electric energy metrical testing circuit is 12V, and between the 4th pin and the 5th pin, voltage difference is
6V。
7. the control of a kind of single-phase intelligent expansion joint electric controller as described in any one of claim 1 to 6
Method, it is characterised in that after energising, whole electricity-saving controller is initialized by central processing unit, its control
Method processed is carried out as follows:
Step A: systematic parameter is initialized；The register of central processing unit resets, and arranges central authorities
The interrupt working manner of processor, by the central processing unit serial date transfer to electric energy metrical testing circuit
Interface composes initial value, subsequently into the active power in detection circuit；
Step B: show initialized parameter, display circuit display central processing unit read through electric energy meter
Active power, effective current and effective voltage in amount testing circuit computing circuit；
Step C: start power grid quality and measure, described step C is to measure according to step B and the electrical network of display
The data result of power quality judges, if it is excellent for measuring power factor of electric network, returns step A, if surveying
Power factor in amount electrical network for poor, then proceeds to step D；
Step D: interrupt module processes；Central processing unit read step C measurement data, enters interrupt module
Processing, if the power factor in electrical network is negative, the relay K 1 in Saving Power Control Circuit is cut off and exits
For the electric capacity C40 compensated and electric capacity C41, if the power factor in electrical network is less than 0.93, then start economize on electricity
The relay K 1 of control circuit, and put into for compensate electric capacity C40 and electric capacity C41, electricity-saving controller to
Electrical network carries out power back-off.
The control method of a kind of single-phase intelligent expansion joint electric controller the most as claimed in claim 7, it is special
Levying and be, it is excellent more than or equal to 0.94 that described step C measures the power factor in electrical network, less than or equal to 0.93
For difference.
The control method of a kind of single-phase intelligent expansion joint electric controller the most as claimed in claim 7, it is special
Levying and be, described step D electricity-saving controller carries out the power factor scope of power back-off in line and exists
Between 0.94～0.99.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410299851.0A CN104104092B (en) | 2014-06-27 | 2014-06-27 | A kind of single-phase intelligent expansion joint electric controller and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410299851.0A CN104104092B (en) | 2014-06-27 | 2014-06-27 | A kind of single-phase intelligent expansion joint electric controller and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104104092A CN104104092A (en) | 2014-10-15 |
| CN104104092B true CN104104092B (en) | 2016-08-17 |
Family
ID=51672005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410299851.0A Expired - Fee Related CN104104092B (en) | 2014-06-27 | 2014-06-27 | A kind of single-phase intelligent expansion joint electric controller and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104104092B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104917192B (en) * | 2015-06-15 | 2018-03-02 | 佛山信开益科技有限公司 | A kind of intelligent energy-saving compensating controller |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08140267A (en) * | 1994-11-08 | 1996-05-31 | Toshiba Corp | Active filter device |
| CN201075699Y (en) * | 2007-01-30 | 2008-06-18 | 天正集团有限公司 | Intelligent reactive power automatic compensation controller |
| CN201178396Y (en) * | 2008-03-11 | 2009-01-07 | 梁巍 | Intelligent energy saving control apparatus of oil pumping machine dragging equipment |
| CN201937922U (en) * | 2011-01-20 | 2011-08-17 | 刘文甫 | Power-saving device |
| CN102211724A (en) * | 2011-03-14 | 2011-10-12 | 上海德圣米高电梯有限公司 | Novel energy-saving elevator using super capacitor |
| CN102230663A (en) * | 2011-06-29 | 2011-11-02 | 罗启培 | Automatic energy-saving control system of central air conditioner |
| CN202798003U (en) * | 2012-09-28 | 2013-03-13 | 广州润能环保科技有限公司 | Power grid flexible balanced intelligent power saving device |
| CN103296687A (en) * | 2013-06-08 | 2013-09-11 | 田安振 | High-efficiency intelligent duplicate voltage compensation power saver |
| CN204030607U (en) * | 2014-06-27 | 2014-12-17 | 南宁市绿沃节能科技有限公司 | A kind of single-phase intelligent expansion joint electric controller |
-
2014
- 2014-06-27 CN CN201410299851.0A patent/CN104104092B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08140267A (en) * | 1994-11-08 | 1996-05-31 | Toshiba Corp | Active filter device |
| CN201075699Y (en) * | 2007-01-30 | 2008-06-18 | 天正集团有限公司 | Intelligent reactive power automatic compensation controller |
| CN201178396Y (en) * | 2008-03-11 | 2009-01-07 | 梁巍 | Intelligent energy saving control apparatus of oil pumping machine dragging equipment |
| CN201937922U (en) * | 2011-01-20 | 2011-08-17 | 刘文甫 | Power-saving device |
| CN102211724A (en) * | 2011-03-14 | 2011-10-12 | 上海德圣米高电梯有限公司 | Novel energy-saving elevator using super capacitor |
| CN102230663A (en) * | 2011-06-29 | 2011-11-02 | 罗启培 | Automatic energy-saving control system of central air conditioner |
| CN202798003U (en) * | 2012-09-28 | 2013-03-13 | 广州润能环保科技有限公司 | Power grid flexible balanced intelligent power saving device |
| CN103296687A (en) * | 2013-06-08 | 2013-09-11 | 田安振 | High-efficiency intelligent duplicate voltage compensation power saver |
| CN204030607U (en) * | 2014-06-27 | 2014-12-17 | 南宁市绿沃节能科技有限公司 | A kind of single-phase intelligent expansion joint electric controller |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104104092A (en) | 2014-10-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103033760A (en) | Battery charging and discharging tester | |
| CN106125013B (en) | A kind of fast charge class Testing System of Product Aging of highly compatible | |
| CN201876483U (en) | Intelligent single-phase charge control electric energy meter | |
| CN104502735A (en) | Three-phase unbalance monitoring system for low-voltage power distribution cabinet | |
| CN103018551A (en) | Single-phase intelligent electric energy meter with ZigBee communication module | |
| CN207457458U (en) | A kind of accumulator wireless inspection device | |
| CN104330621A (en) | Electric appliance energy consumption tester | |
| CN204422620U (en) | There is function of measuring power consumer electricity consumption information collecting device | |
| CN101408594A (en) | Device suitable for monitoring direct-current power supply ripple coefficient | |
| CN202384827U (en) | Uninterruptible power system (UPS) maintenance instrument | |
| CN203164381U (en) | Battery charging and discharging tester | |
| CN206422581U (en) | Battery multi-way intelligence charger | |
| CN103964312A (en) | Energy efficiency testing device and method for electric hoist | |
| CN202372592U (en) | Electric energy quality monitoring instrument | |
| CN104104092B (en) | A kind of single-phase intelligent expansion joint electric controller and control method thereof | |
| CN205592228U (en) | Portable multi -functional hydraulic control valve failure diagnosis test instrument of intelligence | |
| CN202494744U (en) | Device for detecting quality of electric energy | |
| CN205786895U (en) | A kind of inverter and charging device integrated detection system | |
| CN204882853U (en) | Electric energy meter pressure resistance test installation | |
| CN106707019A (en) | Service robot electric quantity monitoring device | |
| CN205749669U (en) | A kind of three-phase remote bill control intelligent electric energy meter | |
| CN207473330U (en) | A kind of wisdom home energy source central controller | |
| CN204030607U (en) | A kind of single-phase intelligent expansion joint electric controller | |
| CN202586344U (en) | Power-saving device having power-saving rate verification system | |
| CN204945239U (en) | Electric quantity loss compensate for malfunctions device under the online substitute mode of a kind of gate energy meter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20170627 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |