CN108322061A - A kind of industrial resistance furnace temperature control PCU Power Conditioning Unit - Google Patents
A kind of industrial resistance furnace temperature control PCU Power Conditioning Unit Download PDFInfo
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- CN108322061A CN108322061A CN201810210502.5A CN201810210502A CN108322061A CN 108322061 A CN108322061 A CN 108322061A CN 201810210502 A CN201810210502 A CN 201810210502A CN 108322061 A CN108322061 A CN 108322061A
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- module
- phase
- temperature control
- resistance furnace
- conditioning unit
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- 230000003750 conditioning effect Effects 0.000 title claims abstract description 15
- 238000002955 isolation Methods 0.000 claims abstract description 14
- 230000009466 transformation Effects 0.000 claims abstract description 9
- 239000003990 capacitor Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 abstract description 10
- 238000010438 heat treatment Methods 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000007547 defect Effects 0.000 abstract description 4
- 238000004134 energy conservation Methods 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 230000001105 regulatory effect Effects 0.000 abstract description 3
- 230000003044 adaptive effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/40—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc
- H02M5/42—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters
- H02M5/44—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac
- H02M5/453—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal
- H02M5/458—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/14—Arrangements for reducing ripples from dc input or output
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/5387—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
- H02M7/53871—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration with automatic control of output voltage or current
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
Abstract
The present invention relates to a kind of electrical power regulating devices to belong to industrial electro technical field of heating more particularly to a kind of industrial resistance furnace temperature control PCU Power Conditioning Unit.It is characterized in that, it include the three-phase bridge rectification module that three-phase main-frequency alternating current is converted into single-phase DC electricity, its output end bridges the flat wave module of direct current, the output end of the flat wave module of the direct current, the adjustable single-phase rectangular wave inverter output circuit of duty ratio being made of the adjustable rectangular wave inverter module of duty ratio and single-phase transformation isolation module with one are connected.It realizes to power grid without impact, no low-frequency disturbance；Utilization rate of electrical is high, energy conservation and environmental protection；Single-phase output, no three-phase imbalance phenomenon, without considering that threephase load balances, heating element parallel running, individual defects do not influence to produce；Linear power is adjusted, and temperature-controlled precision is high, is effectively improved product quality and is improved production efficiency, effectively reduces production maintenance cost.
Description
Technical field
The present invention relates to a kind of electrical power regulating devices, are filled more particularly to a kind of industrial resistance furnace temperature control power regulation
It sets, belongs to industrial electro technical field of heating.
Background technology
The existing industrial resistance furnace temperature control PCU Power Conditioning Unit state of the art：
The mesh that electrical power realizes control temperature is adjusted by adjusting make-to-break ratio using solid-state relay or thyristor zero passage switch
, in the manner, there is low-frequency disturbance to power grid, have impact to power grid, not energy band transformer load, adaptive load range is small,
It can not meet the requirement of low-voltage and high-current load.This mode is only temperature is relatively low and temperature-controlled precision occasion of less demanding is adopted
With；
Using silicon-controlled（Thyristor）Phase-shift voltage regulating mode is used to adjust electrical power to achieve the purpose that control temperature, this mode is
Now generally by the way of.But in this mode, power factor (PF) is low, harmonic content is high, big to electric network pollution, it is desirable that three-phase equilibrium
Load, heating element need to be connected in series with, and individual defects can lead to whole phase fault, it is necessary to shutdown maintenance, and be not isolated with power grid,
Breakdown probability is high over the ground for heating element, thermal element short life；
High-power main frequency furnace transformer is equipped on the basis of in this, to realize that isolation and low-voltage and high-current are powered, using big
Sectional area heating element, to extend the heating element service life, power factor (PF) is low, and harmonic content is high, big to electric network pollution, it is desirable that three-phase
Balanced load, there are still and greatly improve equipment manufacturing costs, be only suitable for wanting the major part disadvantage such as thermal element tandem working
Relatively high place is asked to use.
Invention content
The technical problem to be solved by the present invention is to provide a kind of industrial resistance furnace temperature control PCU Power Conditioning Units, to overcome existing skill
The shortcomings that art, retains its advantage, to reach：1. realizing to power grid without impact, no low-frequency disturbance；2. input power factor is high,
Harmonic content is low, and utilization rate of electrical is high, energy conservation and environmental protection；3. single-phase output, no three-phase imbalance phenomenon, without considering threephase load
Balance, heating element parallel running, individual defects do not influence to produce；4. linear power is adjusted, temperature-controlled precision is high, effectively improves production
Quality；4. transformer isolation exports, adaptive load range is wide, securely and reliably；5. substantially reducing equipment fault frequency, life is improved
Efficiency is produced, production maintenance cost is effectively reduced.
In order to solve the above technical problems, one aspect of the present invention is：A kind of industrial resistance furnace temperature control is provided
PCU Power Conditioning Unit, including：Three-phase main-frequency alternating current is converted into the three-phase bridge rectification module of single-phase DC electricity, direct current Ping Bomo
Block, the adjustable rectangular wave inverter module of duty ratio and single-phase transformer isolation module, each function module are electrically connected successively, are realized
Three-phase main-frequency alternating current is converted into the single-phase square wave ac of other frequencies and voltage, and by rectangular wave duty ratio
Adjust the adjusting control realized to bearing power.
A kind of industrial resistance furnace temperature control PCU Power Conditioning Unit, which is characterized in that including three-phase main-frequency alternating current to be converted into
The three-phase bridge rectification module of single-phase DC electricity, output end bridge the flat wave module of direct current, the output of the flat wave module of the direct current
End, the adjustable list of duty ratio being made of the adjustable rectangular wave inverter module of duty ratio and single-phase transformation isolation module with one
Phase rectangular wave inverter output circuit is connected.
The three-phase main-frequency alternating current is the sine wave alternating current of three-phase 50HZ or 60HZ.
The flat wave module of the direct current is the metallic film capacitor of the different capabilities of two 800V voltage class.
The adjustable rectangular wave inverter module of the duty ratio includes：Power module IGBT is igbt mould
Block and corresponding drive control unit.
The working frequency of the rectangular wave inverter module is between 150HZ-200HZ.
The single-phase transformation isolation module is：The single-phase transformer to match with reverse frequency 150-200HZ and voltage.
The drive control unit includes connecting the controller of temperature sensor, and be arranged according to temperature control, to duty
Than the controller that adjustable rectangular wave inverter module exports control signal.
Beneficial effects of the present invention：1. realizing to power grid without impact, no low-frequency disturbance；2. input power factor is high, humorous
Wave content is low, and utilization rate of electrical is high, energy conservation and environmental protection；3. single-phase output, no three-phase imbalance phenomenon, without considering that threephase load is flat
Weighing apparatus, heating element parallel running, individual defects do not influence to produce；4. linear power is adjusted, temperature-controlled precision is high, effectively improves product
Quality；4. transformer isolation exports, adaptive load range is wide, securely and reliably；5. substantially reducing equipment fault frequency, production is improved
Efficiency effectively reduces production maintenance cost.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical solution in case study on implementation of the present invention
The attached drawing used is briefly described.It should be evident that drawings in the following description are only some embodiments of the invention, it is right
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Its attached drawing, wherein：
Fig. 1 is the principle of the present invention block diagram；
Fig. 2 is the main circuit schematic diagram of the present invention.
Specific implementation mode
In embodiment, a kind of industrial resistance furnace temperature control PCU Power Conditioning Unit, which is characterized in that including exchanging three-phase main-frequency
Electricity is converted into the three-phase bridge rectification module of single-phase DC electricity, and output end bridges the flat wave module of direct current, the direct current Ping Bomo
The output end of block, the duty ratio being made of the adjustable rectangular wave inverter module of duty ratio and single-phase transformation isolation module with one
Adjustable single-phase rectangular wave inverter output circuit is connected.
The three-phase main-frequency alternating current is the sine wave alternating current of three-phase 50HZ or 60HZ.
The flat wave module of the direct current is the metallic film capacitor of the different capabilities of two 800V voltage class.
The adjustable rectangular wave inverter module of the duty ratio includes：Power module IGBT is igbt mould
Block and corresponding drive control unit.
The working frequency of the rectangular wave inverter module is between 150HZ-200HZ.
The single-phase transformation isolation module is：The single-phase transformer to match with reverse frequency 150-200HZ and voltage.
The drive control unit includes connecting the controller of temperature sensor, and be arranged according to temperature control, to duty
Than the controller that adjustable rectangular wave inverter module exports control signal.The controller belongs to prior art range, this field skill
Art personnel are known, repeat no more.
Ripple factor≤6% of the single-phase DC electricity of the three-phase bridge rectification output.It is described in a preferred embodiment
Inverter module uses IGBT insulated gate bipolar transistors, and single-phase DC electricity is converted into single-phase square wave ac, described
Square wave ac duty ratio is adjustable, and the frequency of the square wave ac is more than 50HZ and is less than 400HZ, usual 150HZ-
Between 200HZ.
The technical solution in case of the present invention will be clearly and completely described below, it is clear that described embodiment
Only it is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
The every other embodiment that art personnel are obtained without making creative work belongs to the model that the present invention protects
It encloses.
- 2 are please referred to Fig.1, a kind of industrial resistance furnace temperature control power regulation is provided in one particular embodiment of the present invention
Device, the industrial resistance furnace temperature PCU Power Conditioning Unit include：Three-phase main-frequency alternating current is converted into the three of single-phase DC electricity
The flat wave module of phase bridge rectification module, direct current, the adjustable rectangular wave inverter module of duty ratio and single-phase transformation isolation module.It is above-mentioned
It is electrically connected successively between module.It realizes and three-phase main-frequency alternating current is converted into and loads other frequencies and voltage to match
Single-phase square wave ac, and by realizing the power regulation to load to the adjusting of rectangular wave duty ratio.
In a specific embodiment, including：Three-phase main-frequency alternating current is converted into the three-phase bridge rectification of single-phase DC electricity
The flat wave module of module, direct current, inversion IGBT insulated gate bipolar transistor modules（Including full-bridge inverting or semi-bridge inversion）, and
Voltage isolation module, ripple factor≤6% of the high voltage direct current.
Flat wave module is provided between control rectifier bridge and IGBT inverter bridges, the output of IGBT inverter bridges is connected with single-phase transformation
Device, single-phase transformer secondary direct power to the load to provide the adjustable square wave ac of duty ratio to load.
General 50HZ≤the f of reverse frequency f≤400HZ of the inverter module kind, usually 150HZ-200HZ, provides
What it is to load is usually the adjustable 150HZ-200HZ square wave acs of duty ratio.
Preferably, using low saturation voltage drop low-loss and insulating grid bipolar transistor IGBT, using PMW pulse width modulation power tune
Section technology, using newest electron electric power control technology, concrete scheme is as follows：
Three-phase main-frequency AC power is input to three-phase bridge commutating module first, and flat wave capacitor is arranged in the direct current of rectification output,
This direct current is converted into the single-phase DC electricity of ripple factor≤6%, then passes through inverter module IGBT（Igbt）
Inversion is converted into（Full-bridge or half-bridge）The adjustable single-phase square wave ac of 150HZ-200HZ power duty cycles, then by this rectangle
Alternating current wave is powered to the load by single-phase isolating transformer, and the duty ratio by adjusting this square wave ac is realized to negative
Carry the adjusting control of power.
Therefore, the present invention has the following advantages：
1. realizing to power grid without impact, no low-frequency disturbance；2. input power factor is high, harmonic content is low, and utilization rate of electrical is high,
Energy conservation and environmental protection；3. single-phase output, no three-phase imbalance phenomenon, without considering that threephase load balances, heating element parallel running is a
Not damaging not influences to produce；4. linear power is adjusted, temperature-controlled precision is high, effectively improves product quality；4. transformer isolation exports,
Adaptive load range is wide, securely and reliably；5. substantially reducing equipment fault frequency, production efficiency is improved, production maintenance is effectively reduced
Cost.
Example the above is only the implementation of the present invention is not intended to limit the scope of the invention, every to utilize this hair
Equivalent structure or equivalent flow shift made by bright description is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (6)
1. a kind of industrial resistance furnace temperature control PCU Power Conditioning Unit, which is characterized in that including three-phase main-frequency alternating current is converted into list
The three-phase bridge rectification module of phase direct current, the output end bridging flat wave module of direct current, the output end of the flat wave module of the direct current,
The adjustable single-phase square of duty ratio being made of the adjustable rectangular wave inverter module of duty ratio and single-phase transformation isolation module with one
Shape wave inverter output circuit is connected.
2. industrial resistance furnace temperature control PCU Power Conditioning Unit according to claim 1, which is characterized in that the flat wave of the direct current
Module is the metallic film capacitor of the different capabilities of two 800V voltage class.
3. industrial resistance furnace temperature control PCU Power Conditioning Unit according to claim 1, which is characterized in that the duty ratio can
The rectangular wave inverter module of tune includes：Power module IGBT is insulated gate bipolar transistor module and corresponding drive control list
Member.
4. industrial resistance furnace temperature control PCU Power Conditioning Unit according to claim 1, which is characterized in that the rectangular wave is inverse
Become the working frequency of module between 150HZ-200HZ.
5. industrial resistance furnace temperature control PCU Power Conditioning Unit according to claim 1, which is characterized in that the single-phase transformation
Isolation module is：The single-phase transformer to match with reverse frequency 150-200HZ and voltage.
6. industrial resistance furnace temperature control PCU Power Conditioning Unit according to claim 3, which is characterized in that the drive control
Unit includes connecting the controller of temperature sensor, and be arranged according to temperature control, to the adjustable rectangular wave inverter module of duty ratio
The controller of output control signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810210502.5A CN108322061A (en) | 2018-03-14 | 2018-03-14 | A kind of industrial resistance furnace temperature control PCU Power Conditioning Unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810210502.5A CN108322061A (en) | 2018-03-14 | 2018-03-14 | A kind of industrial resistance furnace temperature control PCU Power Conditioning Unit |
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| Publication Number | Publication Date |
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| CN108322061A true CN108322061A (en) | 2018-07-24 |
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| CN201810210502.5A Pending CN108322061A (en) | 2018-03-14 | 2018-03-14 | A kind of industrial resistance furnace temperature control PCU Power Conditioning Unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109039096A (en) * | 2018-08-29 | 2018-12-18 | 浙江双驰电气科技有限公司 | A kind of concrete pump power supply using electrolytic capacitor energy storage |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101127490A (en) * | 2006-03-21 | 2008-02-20 | 上海恒精机电设备有限公司 | A high power transistor frequency conversion power supply |
| CN104852609A (en) * | 2015-05-18 | 2015-08-19 | 苏州市申浦电源设备厂 | Industrial resistance furnace temperature control power adjustment device |
| CN207939407U (en) * | 2018-03-14 | 2018-10-02 | 苏州市申浦电源设备厂 | A kind of industrial resistance furnace temperature control PCU Power Conditioning Unit |
-
2018
- 2018-03-14 CN CN201810210502.5A patent/CN108322061A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101127490A (en) * | 2006-03-21 | 2008-02-20 | 上海恒精机电设备有限公司 | A high power transistor frequency conversion power supply |
| CN104852609A (en) * | 2015-05-18 | 2015-08-19 | 苏州市申浦电源设备厂 | Industrial resistance furnace temperature control power adjustment device |
| CN207939407U (en) * | 2018-03-14 | 2018-10-02 | 苏州市申浦电源设备厂 | A kind of industrial resistance furnace temperature control PCU Power Conditioning Unit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109039096A (en) * | 2018-08-29 | 2018-12-18 | 浙江双驰电气科技有限公司 | A kind of concrete pump power supply using electrolytic capacitor energy storage |
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