CN205893354U - Orientation silicon steel heating furnace control circuit - Google Patents
Orientation silicon steel heating furnace control circuit Download PDFInfo
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- CN205893354U CN205893354U CN201620722107.1U CN201620722107U CN205893354U CN 205893354 U CN205893354 U CN 205893354U CN 201620722107 U CN201620722107 U CN 201620722107U CN 205893354 U CN205893354 U CN 205893354U
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- power regulation
- regulation module
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- silicon steel
- heating furnace
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Abstract
The utility model relates to a furnace temperature control, heating system especially relate to an orientation silicon steel heating furnace control circuit, including major loop and control circuit two parts, the major loop includes three accent merit module, and three accent merit module concatenates respectively in the three -phase return circuit, and is parallelly connected each other between the three accent merit module, all be equipped with fuse, resistance -capacitance snubber circuit, current transformer and electric heater in the three -phase return circuit to establish ties mutually with the accent merit module in this return circuit. The utility model discloses cooling water among the accessible water cooling system will be taken away because of the heavy current produces a large amount of heats at the during operation, and the cooling water that is heated recycles after cooling off once more, has saved the resource, reduce the energy consumption when air -cooled, and will be energy -concerving and environment -protective, and whole accent merit ware small in size, only air -cooled 13~12 of the merit ware of transferring of volume can effectively reduce and transfer merit cabinet quantity under the same power, improves electrical control room / electric room space utilization.
Description
Technical field
This utility model is related to a kind of Control for Kiln Temperature, heating system, more particularly, to a kind of orientation silicon steel Heating Furnace Control electricity
Road.
Background technology
Orientation silicon steel needs the annealing before carrying out continuous decarburizing annealing and stretching annealing and magnesium oxide coating in producing,
Increase with the electrical sheet market demand, corresponding producing line needs to enhance production capacities, the heating power of the stove to be improved that is bound to is to mate
The producing line speed improving.And the electric heating power regulator of domestic use now, commonly used Wind-cooling type power regulating eqiupment, its radiator volume
Greatly, with the increase of power regulating eqiupment power, it takes up room more greatly, brings certain difficulty to installing and using, and it is to environment
Have high demands with peripheral temperature, because environment is bad, dust is many, after a period of time, fan cooling effect can be had a greatly reduced quality,
In addition peripheral temperature is high, and the heat producing in use cannot distribute well, frequently results in power regulating eqiupment overtemperature alarm, and impact adds
Heat.
Utility model content
The purpose of this utility model is the defect overcoming prior art to exist, provide a kind of small volume, space availability ratio high,
The orientation silicon steel Heating Furnace Control circuit of energy-conserving and environment-protective.
The technical scheme realizing this utility model purpose is: a kind of orientation silicon steel Heating Furnace Control circuit, has major loop
With control loop two parts；Described major loop includes a phase, b phase, three Power Regulation modules of c phase, and described three Power Regulation modules are gone here and there respectively
It is connected in three-phase loop, parallel with one another between three Power Regulation modules；Be equipped with three-phase loop fuse, resistance capaciting absorpting circuit,
Current transformer and electric heater, and be in series with the Power Regulation module in this loop.
Technique scheme, described Power Regulation module is water-cooling type Power Regulation module, with water inlet pipe and outlet pipe, wherein a phase
The outlet pipe of Power Regulation module is connected by circulating cooling water pipe with the water inlet pipe of b phase Power Regulation module, the outlet pipe of b phase Power Regulation module
It is connected by circulating cooling water pipe with the water inlet pipe of c phase Power Regulation module, the water inlet pipe of a phase Power Regulation module and c phase Power Regulation module
Outlet pipe is connected with the outlet pipe of circulating water pipe, return pipe respectively, the outlet pipe of described circulating water pipe, return pipe again with outside
Circulating water pool be connected with cooling tower.
Technique scheme, the cooling water in described circulating cooling water pipe is soft water.
Technique scheme, described Power Regulation module side is also equipped with temperature detect switch (TDS).
Technique scheme, described temperature detect switch (TDS) has 1～3.
Technique scheme, described control loop includes panel, and is arranged in controller on panel, power supply transformation
Device, working mode selection switch, signal input lamp, status indicator lamp, controlling switch, control signal input, warning, output letter
Number terminals, current detection signal unit and impulsive quarantine device；Described control signal input and outside temp controlled meter or plc control
Device processed is connected；Described current detection signal unit is connected with the current transformer in major loop, and real work electric current is through transformer
After detection, deliver to controller and process, such as beyond its rated value, an alarm signal is transmitted to reporting to the police, output signal connects by producing
Line end；Described impulsive quarantine device is connected with pulse output end, and is connected with the Power Regulation module in major loop by circuit, plays letter
Number isolation with jamproof effect.
Technique scheme, described status indicator lamp include red green alternately, green, three kinds of state instructions of yellow, wherein red
Green alternately flicker represents Power Regulation module overtemperature alarm, and green represents to be run, and yellow represents shuts down.
Technique scheme, described heater power regulative mode has two kinds, including phase-shift voltage regulating and zero-crossing power adjustment, passes through
Working mode selection switch is controlled.
Technique scheme, the break-make control of described Power Regulation module is carried by the temp controlled meter in control loop or plc controller
For standard signal 0-10vdc or 4-20ma be controlled.
Technique scheme, described controlling switch is Non-follow control, automatically controls or manual/auto double control switch.
After technique scheme, this utility model has a following positive effect:
(1) cooling water that this utility model can pass through in water-cooling system will be operationally because high current produces amount of heat band
Walk, the cooling water being heated recycles after cooling again, saves resource, energy consumption when decreasing air-cooled, energy-conserving and environment-protective；And
Whole power regulating eqiupment compact, equal-wattage lower volume only has the 1/3～1/2 of air-cooled power regulating eqiupment, is effectively reduced power regulating cabinet number
Amount, improves electric panel room space availability ratio；
(2) cooling water in this utility model water-cooling system can improve the resistance to stifled ability of cooling water pipe using soft water, reduces
The generation of fault rate, improves the service life of power regulating eqiupment；
(3) it is additionally provided with temperature detect switch (TDS) on this utility model power regulating eqiupment, the temperature detect switch (TDS) of proper temperature can be selected as needed,
The temperature conditionss of monitoring power regulating eqiupment, provide the overtemperature alarm lead to because of circulation water cut or because of blocking, are easy to check in time, tie up
Repair, thus improve production efficiency；
(4) this utility model employ in have the advanced high-power collection of the multiple functions such as zero cross fired, overload, overtemperature protection
Become electronic device Power Regulation module, by the control signal of outside plc controller or Special temp controlling instrument, realize electric heater from zero
To the electrodeless regulation of fully loaded, upper electricity delay startup, slow shutoff；The control accuracy of temperature is higher, working stability, and fault rate is low, reaches
Mesh ground to energy-conservation, consumption reduction.
Brief description
In order that content of the present utility model is easier to be clearly understood, below according to specific embodiment and with reference to attached
Figure, is described in further detail to this utility model, wherein
Fig. 1 is this utility model major loop structure schematic diagram；
Fig. 2 is this utility model control loop structural representation；
In figure 1, fuse；2nd, Power Regulation module；2-1, water inlet pipe；2-2, outlet pipe；2-3, circulating cooling water pipe；3rd, capacitance-resistance
Absorbing circuit；4th, temperature detect switch (TDS)；5th, current transformer；6th, heater；7th, panel；8th, mains transformer；9th, controller；10、
Working mode selection switchs；11st, signal input lamp；12nd, status indicator lamp；13rd, controlling switch；14th, control signal input；
15th, warning, output signal terminals；16th, current detection signal unit；17th, impulsive quarantine device；18th, temp controlled meter；19th, plc controls
Device.
Specific embodiment
(embodiment 1)
See Fig. 1 and Fig. 2, this utility model orientation silicon steel Heating Furnace Control circuit, there is major loop and control loop two
Point；Major loop includes a phase, b phase, three Power Regulation modules 2 of c phase, and three Power Regulation modules 2 are serially connected in three-phase loop respectively, three
Parallel with one another between Power Regulation module 2, Power Regulation module 2 is built-in with zero cross fired and overload protection；Three-phase is equipped with fusing in loop
Device 1, resistance capaciting absorpting circuit 3, current transformer 5 and electric heater 6, and be in series with the Power Regulation module 2 in this loop, fuse
The setting of 1 summation current transformer 5 can provide the function that excessively stream is reported to the police with fuse protection.Power Regulation module 2 can produce wink in break-make
When high pressure, resistance capaciting absorpting circuit 3 then provides corresponding defencive function.
Preferably, Power Regulation module 2 is water-cooling type Power Regulation module, with water inlet pipe 2-1 and outlet pipe 2-2, the wherein Power Regulation of a phase
The water inlet pipe 2-1 of the outlet pipe 2-2 and b phase Power Regulation module of module 2 is connected by circulating cooling water pipe 2-3, b phase Power Regulation module
Outlet pipe 2-2 is connected by circulating cooling water pipe 2-3 with the water inlet pipe 2-1 of c phase Power Regulation module, the water inlet pipe of a phase Power Regulation module
2-1 is connected with the outlet pipe of circulating water pipe, return pipe respectively with the outlet pipe 2-2 of c phase Power Regulation module, the water outlet of circulating water pipe
Pipe, return pipe are connected with outside circulating water pool and cooling tower again..Recirculated cooling water is preferably soft water, because soft water is relatively
Good, the resistance to stifled ability of circulating cooling water pipe being improved, reducing the generation of fault rate, thus ensureing the normal operation of producing line.This reality
It is also equipped with temperature detect switch (TDS) 4 with new Power Regulation module 2 side, the overtemperature report lead to because of circulating cooling water cut or because of blocking is provided
Alert, when Power Regulation module 2 temperature is more than 80 DEG C, temperature detect switch (TDS) 4 closes, and produces an alarm signal, reminds operator on duty to carry out
Inspection is processed, it is to avoid dangerous situation.Temperature detect switch (TDS) 4 respectively can arrange one in each Power Regulation module 2, also can be positioned only at
In one Power Regulation module 2.
This utility model control loop includes panel 7, and be arranged in controller 9 on panel 7, mains transformer 8,
Working mode selection switch 10, signal input lamp 11, status indicator lamp 12, controlling switch 13, control signal input 14, report
Police, output signal terminals 15, current detection signal unit 16 and impulsive quarantine device 17；Control signal input 14 and outside
Temp controlled meter 18 or plc controller 19 are connected；Current detection signal unit 16 is connected with the current transformer 5 in major loop, actual
Operating current, after transformer 5 detection, is delivered to controller 9 and is processed, and such as beyond its rated value, will produce an alarm signal transmission
To warning, output signal terminals 15；Impulsive quarantine device 17 is connected with pulse output end, and by the tune in circuit and major loop
Work(module 2 is connected.
This utility model status indicator lamp 12 include red green alternately, green, three kinds of state instructions of yellow, wherein red green alternately
Flicker represents Power Regulation module 2 overtemperature alarm, and green represents to be run, and yellow represents shuts down.
This utility model heater 6 power adjustments mode has two kinds, including phase-shift voltage regulating and zero-crossing power adjustment, by work side
Formula selecting switch 10 is controlled.Operational mode switch controls situation as shown in table 1:
The break-make of this utility model Power Regulation module 2 controls to be provided by the temp controlled meter 18 in control loop or plc controller 19
Standard signal 0-10vdc or 4-20ma be controlled the heating power of electric heater 6, thus temperature can be accurately controlled.Control
Controlling switch 13 in loop processed is Non-follow control, automatically controls or manual/auto double control switch.
Operation principle of the present utility model is: temperature-controlling cabinet is provided with temp controlled meter 18, the furnace temperature surveyed when live thermocouple
When having difference with temp controlled meter 18 design temperature, produce an output signal, the control signal input 14 in control loop receives this
After signal, signal input lamp 11 is bright, and controller, is then adjusted by pulse output end controls through impulsive quarantine device 17 to after signal processing
Work(module 2, adjusts the size of power in major loop, thus the height of scalable furnace temperature.
Power adjustments have two kinds of control modes, it can be selected by working mode selection switch 10, and one kind is to move
Phase voltage regulating mode is it is simply that according to input signal, calculate silicon controlled angle of flow size, and Time-delayed trigger after zero passage, effect
In each AC sine wave, the angle of flow changing each positive half-wave and negative half-wave carrys out the size of control voltage, and then can adjust
Section output voltage and the size of power；Another kind is zero-crossing power adjustment mode, and within the cycle setting, trigger makes major loop connect
Logical several cycles (several complete sine wave), then disconnect several cycles (several complete sine wave), change IGCT and setting
Make-and-break time ratio in fixed cycle, with the mean power of alternating current in regulating load, you can reach the mesh of regulating load power
's.
Particular embodiments described above, has carried out entering one to the purpose of this utility model, technical scheme and beneficial effect
Step describes in detail, be should be understood that and the foregoing is only specific embodiment of the utility model, is not limited to this
Utility model, all of the present utility model spirit and principle within, any modification, equivalent substitution and improvement done etc., all should wrap
It is contained within protection domain of the present utility model.
Claims (10)
1. a kind of orientation silicon steel Heating Furnace Control circuit, has major loop and control loop two parts；It is characterized in that: described master
Loop includes a phase, b phase, three Power Regulation modules (2) of c phase, and described three Power Regulation modules (2) are serially connected in three-phase loop respectively, and three
Parallel with one another between individual Power Regulation module (2)；It is equipped with fuse (1), resistance capaciting absorpting circuit (3), Current Mutual Inductance in three-phase loop
Device (5) and heater (6), and be in series with the Power Regulation module (2) in this loop.
2. orientation silicon steel Heating Furnace Control circuit according to claim 1 it is characterised in that: described Power Regulation module (2) is
Water-cooling type Power Regulation module, with water inlet pipe (2-1) and outlet pipe (2-2), wherein the outlet pipe (2-2) of a phase Power Regulation module (2) with
The water inlet pipe (2-1) of b phase Power Regulation module passes through circulating cooling water pipe (2-3) and is connected, the outlet pipe (2-2) of b phase Power Regulation module and c
The water inlet pipe (2-1) of phase Power Regulation module passes through circulating cooling water pipe (2-3) and is connected, the water inlet pipe (2-1) of a phase Power Regulation module and c
The outlet pipe (2-2) of phase Power Regulation module is connected with the outlet pipe of circulating water pipe, return pipe respectively, the water outlet of described circulating water pipe
Pipe, return pipe are connected with outside circulating water pool and cooling tower again.
3. orientation silicon steel Heating Furnace Control circuit according to claim 2 it is characterised in that: described circulating cooling water pipe
(2-3) cooling water in is soft water.
4. orientation silicon steel Heating Furnace Control circuit according to claim 1 it is characterised in that: described Power Regulation module (2) side
Face is also equipped with temperature detect switch (TDS) (4).
5. orientation silicon steel Heating Furnace Control circuit according to claim 4 it is characterised in that: described temperature detect switch (TDS) (4) has 1
～3.
6. orientation silicon steel Heating Furnace Control circuit according to claim 1 it is characterised in that: described control loop include control
Making sheet (7), and it is arranged in controller (9) on panel (7), mains transformer (8), working mode selection switch (10), letter
Number input lamp (11), status indicator lamp (12), controlling switch (13), control signal input (14), warning, output signal wiring
End (15), current detection signal unit (16) and impulsive quarantine device (17)；Described control signal input (14) and outside temperature
Control table (18) or plc controller (19) are connected；Current transformer (5) in described current detection signal unit (16) and major loop
It is connected, real work electric current, after transformer (5) detection, is delivered to controller (9) and processed, such as beyond its rated value, will produce one
Individual alarm signal is transmitted to warning, output signal terminals (15)；Described impulsive quarantine device (17) is connected with pulse output end, and
It is connected with the Power Regulation module (2) in major loop by circuit.
7. orientation silicon steel Heating Furnace Control circuit according to claim 6 it is characterised in that: described status indicator lamp (12)
Including red green alternately, green, three kinds of state instructions of yellow, wherein red green alternately flicker represents Power Regulation module (2) overtemperature alarm, green
Color represents and runs, and yellow represents shuts down.
8. orientation silicon steel Heating Furnace Control circuit according to claim 6 it is characterised in that: described heater (6) power
Regulative mode has two kinds, including phase-shift voltage regulating and zero-crossing power adjustment, is controlled by working mode selection switch (10).
9. orientation silicon steel Heating Furnace Control circuit according to claim 6 it is characterised in that: described Power Regulation module (2)
Standard signal 0-10vdc or 4-20ma that break-make control is provided by the temp controlled meter (18) in control loop or plc controller (19)
It is controlled.
10. orientation silicon steel Heating Furnace Control circuit according to claim 6 it is characterised in that: described controlling switch (13)
For Non-follow control, automatically control or manual/auto double control switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620722107.1U CN205893354U (en) | 2016-07-09 | 2016-07-09 | Orientation silicon steel heating furnace control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620722107.1U CN205893354U (en) | 2016-07-09 | 2016-07-09 | Orientation silicon steel heating furnace control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205893354U true CN205893354U (en) | 2017-01-18 |
Family
ID=57771985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620722107.1U Active CN205893354U (en) | 2016-07-09 | 2016-07-09 | Orientation silicon steel heating furnace control circuit |
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| Country | Link |
|---|---|
| CN (1) | CN205893354U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081728A (en) * | 2019-03-07 | 2019-08-02 | 泰安磐然测控科技有限公司 | A kind of high temperature furnace control device and temperature control method |
-
2016
- 2016-07-09 CN CN201620722107.1U patent/CN205893354U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081728A (en) * | 2019-03-07 | 2019-08-02 | 泰安磐然测控科技有限公司 | A kind of high temperature furnace control device and temperature control method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |