CN107613584A - A kind of energy-saving control system for heater - Google Patents
A kind of energy-saving control system for heater Download PDFInfo
- Publication number
- CN107613584A CN107613584A CN201710798509.9A CN201710798509A CN107613584A CN 107613584 A CN107613584 A CN 107613584A CN 201710798509 A CN201710798509 A CN 201710798509A CN 107613584 A CN107613584 A CN 107613584A
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- Prior art keywords
- control system
- output
- current
- circuit
- phase electricity
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- 230000005611 electricity Effects 0.000 claims abstract description 30
- 238000005070 sampling Methods 0.000 claims abstract description 14
- 238000004891 communication Methods 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 241001417490 Sillaginidae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/26—Arrangements for eliminating or reducing asymmetry in polyphase networks
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
-
- 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
- Y02E40/50—Arrangements for eliminating or reducing asymmetry in polyphase networks
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Ac-Ac Conversion (AREA)
- Inverter Devices (AREA)
Abstract
The present invention relates to heater control technology field, more particularly to a kind of energy-saving control system for heater.It includes：Sampling module, for gathering voltage signal, the current signal of three-phase electricity output；Switching device, for switching three-phase electricity output, adjust output current and output voltage；Control system, voltage, the current signal of sampling module collection are received, and according to voltage, current signal control switching device work so that the current balance type of the three-phase electricity of output.By being balanced processing to the three-phase electricity of output, and zero potential is redefined so that when it is exported to heating load, reactive power can be reduced, power factor (PF) is improved, play energy-saving effect.
Description
Technical field
The present invention relates to heater control technology field, more particularly to a kind of Energy Saving Control system for heater
System.
Background technology
In industrial processes, it is often necessary to object is heated, such as smelts, toast；Commercial power one
As connect 380V three-phase electricity, in actual applications, due to not only purely resistive electronic component in loaded line, the load per phase
Different perceptual electronic component and capacitive electrical elements is connected with, causes to form phase difference between the voltage and current in circuit,
Cause the laod unbalance of three-phase, power factor (PF) is relatively low.
The content of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide a kind of Energy Saving Control system for heater
System, the control system can be adjusted for load so that the load balance of three-phase, improve power factor (PF).
To achieve the above object, the present invention uses following technical scheme：
A kind of energy-saving control system for heater, it includes：
Sampling module, voltage signal, current signal for three-phase electricity output；
Switching device, for switching three-phase electricity output, adjust output current and output voltage；
Control system, voltage, the current signal of sampling module collection are received, and switching device is controlled according to voltage, current signal
Work so that the current balance type of the three-phase electricity of output.
Preferably, the output signal of sampling module passes sequentially through filter circuit, amplifying circuit is sent to control system.
Further, in addition to zero potential generative circuit, the zero potential generative circuit include：
Bridge rectifier, for carrying out rectification to three-phase electricity and exporting direct current；
Inverter circuit, for being changed into alternating current to direct current and improving voltage；
And the alternating current of boosting is changed into the MDC modules of direct current；
Wherein, inverter circuit includes 6 IGBT elements, and IGBT control terminal electrically connects with control system, the output of inverter circuit
End electrically connects with control system, and bridge rectifier electrically connects with control system.Preferably, between inverter circuit and MDC modules
Provided with filter circuit；Filter circuit preferably includes filter inductance, passes through inductor filter.
Further, in addition to thyristor circuit；Output of the thyristor circuit to three-phase electricity is controlled, the control of IGCT
End processed electrically connects with control system.
Preferably, control system includes wireless communication module.
Preferably, control system includes display module and input module.
Beneficial effects of the present invention：Limited again by being balanced processing to the three-phase electricity of output, and to zero potential
It is fixed so that when it is exported to heating load, reactive power can be reduced, power factor (PF) is improved, play energy-saving effect.
Brief description of the drawings
Fig. 1 is a kind of principle schematic of the present embodiment.
Fig. 2 is a kind of switching device principle schematic of the present embodiment.
Fig. 3 is a kind of switching device schematic diagram of the present embodiment.
Embodiment
The present invention is described in detail below in conjunction with accompanying drawing.As shown in Figure 1.
Embodiment：Referring to Fig. 1.
A kind of energy-saving control system for heater, including：Sampling module, switching device and control system
System, wherein sampling module are used for voltage signal, the current signal for gathering three-phase electricity output；Switching device is used to switch three-phase electricity pair
Outer output；Control system, voltage, the current signal of sampling module collection are received, and according to voltage, current signal control switching dress
Put work so that the load balance of the three-phase electricity of output.
In the technical program, by voltage, current signal of the sampling module collection input to load, sampling module can be adopted
Use transformer；When the laod unbalance of three-phase electricity, there is difference in size in electric current, the voltage of three-phase electricity, now, are filled by switching
Put and the electric current of three-phase electricity is redistributed, the high phase of electric current is branched to a phase of low current, until three-phase electricity levelling
Weighing apparatus, so that zero line keeps zero-sequence current.Switching device can also use prior art.Control system can use PLC
Deng.After three-phase output balance, identical per phase voltage frequency, amplitude, 120 degree of the carrier phase shift of adjacent two-phase, zero line keeps zero
Sequence electric current.Watt current is redistributed in phase line, reduces reactive power.Here load is heater.
Switching device refers to Fig. 3, Fig. 2；In actual applications, A, B, C are 3 three-phase electricities of civil power input, and three-phase electricity is led to
It is A ', B ', C ' three-phase electricities that switching device K reality outputs, which are crossed, to load；A ', B ', C ' can be corresponded to：A, times of B, C three-phase
The combination of meaning order, such as B, C, A phase.In practical operation, the similar structures such as Fig. 3 can be used, A, B, C three-phase are by cutting
Switch SM is changed to export to A ' or B ' or C '；It can be switched by 3 controllable switchings to realize；Its other party can certainly be passed through
Formula is realized.When laod unbalance, lasting switching can be passed through so that the virtual value per phase current reaches balance.
Preferably, the output signal of sampling module passes sequentially through filter circuit, amplifying circuit is sent to control system.
Further, in addition to zero potential generative circuit, the zero potential generative circuit include：
For carrying out rectification to three-phase electricity and exporting the bridge rectifier of direct current；
For being changed into alternating current to direct current and carrying high-tension inverter circuit；
The alternating current of boosting is changed into the MDC modules of direct current；
Wherein, inverter circuit includes 6 IGBT elements, and IGBT control terminal electrically connects with control system, the output of inverter circuit
End electrically connects with control system, and bridge rectifier electrically connects with control system.Preferably, between inverter circuit and MDC modules
Provided with filter circuit；What filter circuit was preferably includes filter inductance, passes through inductor filter.
Bridge rectifier can be full bridge rectifier, coordinate with inverter circuit and change 50HZ, 380V three-phase electricity
For high-frequency, high-tension alternating current；When inverter circuit output voltage is higher by a timing, control system breaks bridge rectifier
Open, control system can realize the voltage and frequency of adjustment output alternating current by adjusting the break-makes of IGBT elements, and this is existing
Technology, no longer describe.Alternating current after boosting is again direct current by MDC module transitions, and the voltage of the direct current is as new
Zero potential and the electrically mated output of three-phase.
Further, in addition to thyristor circuit；Output of the thyristor circuit to three-phase electricity is controlled, the control of IGCT
End processed electrically connects with control system.
Control system controls the output frequency and waveform of three-phase electricity by thyristor circuit, and circuit is being produced with zero potential
Coordinate, externally export high-frequency, high voltage, the half-wave DC circuit of low current.
Preferably, control system includes wireless communication module.
Wireless communication module includes RS485 modules, bluetooth module, wifi module etc..Wireless communication module, Ke Yiyu are set
Ambient controller establishes communication connection, changes the inner parameter of control system.
Preferably, control system includes display module and input module.
Display module is specially display screen, charactron etc., and input module can be touch-screen, button etc.；By showing mould
Block shows the working condition of energy conserving system, and input module can modify and adjust to inner parameter.
Above content is only presently preferred embodiments of the present invention, for one of ordinary skill in the art, according to the present invention's
Thought, there will be changes, this specification content should not be construed as to the present invention in specific embodiments and applications
Limitation.
Claims (6)
- A kind of 1. energy-saving control system for heater, it is characterised in that：It includes：Sampling module, for gathering voltage signal, the current signal of three-phase electricity output；Switching device, for switching three-phase electricity output, adjust output current and output voltage；Control system, voltage, the current signal of sampling module collection are received, and switching device is controlled according to voltage, current signal Work so that the current balance type of the three-phase electricity of output.
- A kind of 2. energy-saving control system for heater according to claim 1, it is characterised in that：The output signal of sampling module passes sequentially through filter circuit, amplifying circuit is sent to control system.
- A kind of 3. energy-saving control system for heater according to claim 1, it is characterised in that：Also include zero potential generative circuit, the zero potential generative circuit includes：For carrying out rectification to three-phase electricity and exporting the bridge rectifier of direct current；For being changed into alternating current to direct current and carrying high-tension inverter circuit；The alternating current of boosting is changed into the MDC modules of direct current；Wherein, inverter circuit includes 6 IGBT elements, and IGBT control terminal electrically connects with control system, the output of inverter circuit End electrically connects with control system, and bridge rectifier electrically connects with control system.Preferably, filter circuit is provided between inverter circuit and MDC modules；What filter circuit was preferably includes filter inductance, leads to Cross inductor filter.
- A kind of 4. energy-saving control system for heater according to claim 1, it is characterised in that：Also include thyristor circuit；Output of the thyristor circuit to three-phase electricity is controlled, and control terminal and the control of IGCT are System electrical connection.
- A kind of 5. energy-saving control system for heater according to claim 1, it is characterised in that：Control system includes wireless communication module.
- A kind of 6. energy-saving control system for heater according to claim 1, it is characterised in that：Control system includes display module and input module.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710798509.9A CN107613584A (en) | 2017-09-07 | 2017-09-07 | A kind of energy-saving control system for heater |
| PCT/CN2018/081706 WO2019047514A1 (en) | 2017-09-07 | 2018-04-03 | Energy-saving control system for heating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710798509.9A CN107613584A (en) | 2017-09-07 | 2017-09-07 | A kind of energy-saving control system for heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107613584A true CN107613584A (en) | 2018-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710798509.9A Pending CN107613584A (en) | 2017-09-07 | 2017-09-07 | A kind of energy-saving control system for heater |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107613584A (en) |
| WO (1) | WO2019047514A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019047514A1 (en) * | 2017-09-07 | 2019-03-14 | 广东元森能源科技有限公司 | Energy-saving control system for heating apparatus |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114123255A (en) * | 2021-11-29 | 2022-03-01 | 珠海格力电器股份有限公司 | Light storage power utilization system and load three-phase power control method, device and equipment thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101609991A (en) * | 2009-07-15 | 2009-12-23 | 王霞 | Three-phase load transfer device |
| CN207340201U (en) * | 2017-09-07 | 2018-05-08 | 广东元森能源科技有限公司 | A kind of energy-saving control system for heating unit |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2773969Y (en) * | 2004-12-14 | 2006-04-19 | 华研国电(北京)科技发展有限公司 | Electricity-energy quality flexible controller |
| CN103915852B (en) * | 2014-04-08 | 2016-05-18 | 中国计量学院 | A kind of flexible switched system and changing method thereof based on single-phase grid-connected inverter |
| CN105375498A (en) * | 2014-08-28 | 2016-03-02 | 国网甘肃省电力公司 | Three-phase phase-change switch device |
| CN105207237A (en) * | 2015-09-22 | 2015-12-30 | 国网电网公司 | Distribution network three-phase load unbalance adjusting control system |
| CN205104911U (en) * | 2015-10-15 | 2016-03-23 | 扬州汇洁能电力电子设备有限公司 | Novel lossless balanced load of distributing type three -phase device |
| CN106786681A (en) * | 2017-01-12 | 2017-05-31 | 湖南长高思瑞自动化有限公司 | Low-voltage platform area becomes threephase load automatic-balancing system and its automatic balancing method |
| CN107613584A (en) * | 2017-09-07 | 2018-01-19 | 广东元森能源科技有限公司 | A kind of energy-saving control system for heater |
-
2017
- 2017-09-07 CN CN201710798509.9A patent/CN107613584A/en active Pending
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2018
- 2018-04-03 WO PCT/CN2018/081706 patent/WO2019047514A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101609991A (en) * | 2009-07-15 | 2009-12-23 | 王霞 | Three-phase load transfer device |
| CN207340201U (en) * | 2017-09-07 | 2018-05-08 | 广东元森能源科技有限公司 | A kind of energy-saving control system for heating unit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019047514A1 (en) * | 2017-09-07 | 2019-03-14 | 广东元森能源科技有限公司 | Energy-saving control system for heating apparatus |
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| Publication number | Publication date |
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| WO2019047514A1 (en) | 2019-03-14 |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20211009 Address after: 510000 Room 502, No. 151, Shangcheng street, Baiyun District, Guangzhou, Guangdong Applicant after: Luo Sen Address before: 523000 4th floor, building g, Lianshang Zhizao Industrial Park, Chuangxing Road, Diyong village, Gaopo Town, Dongguan City, Guangdong Province Applicant before: DOUBLE L POWER CONSERVATION Co.,Ltd. |
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| TA01 | Transfer of patent application right | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180119 |
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| RJ01 | Rejection of invention patent application after publication |