CN207516802U - A kind of middle frequency furnace power control system - Google Patents
A kind of middle frequency furnace power control system Download PDFInfo
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- CN207516802U CN207516802U CN201721732866.7U CN201721732866U CN207516802U CN 207516802 U CN207516802 U CN 207516802U CN 201721732866 U CN201721732866 U CN 201721732866U CN 207516802 U CN207516802 U CN 207516802U
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- module
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- control module
- supply control
- output module
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Abstract
The utility model belongs to intermediate frequency furnace technical field, specifically disclose a kind of middle frequency furnace power control system, including string frequency electric furnace, switching input module, Analog input mModule, switching value output module, analog output module, system bus, control module, energy supply control module, host computer, human-machine interface module, it is characterised in that：The output terminal connecting valve amount input module and Analog input mModule of the string frequency electric furnace, the input terminal connecting valve amount output module and analog output module of the string frequency electric furnace, the system bus is interconnected with switching input module, Analog input mModule, switching value output module, analog output module and control module, the control module is interconnected with host computer, human-machine interface module and energy supply control module, and the energy supply control module is also connected with host computer, human-machine interface module and system bus；Using man-machine interface and state cpu chip and automatically control, while intuitively shown by acquiring supply voltage, the switching value of electric current and middle frequency furnace end and analog quantity information.
Description
Technical field
The utility model belongs to intermediate frequency furnace technical field, and in particular to a kind of middle frequency furnace power control system.
Background technology
Induction heating power is the hair of the important component of induction heater, power semiconductor device and power electronics
Exhibition has it important influence.The induction heating power of early stage mainly has medium frequency electric generating unit and vacuum tube oscillator formula high frequency
Power supply, electromagnetism frequency multiplier and line-frequency induction smelting furnace.In recent years, thyristor, semiconductor technology, integrated processing technology have
The development for promoting induction heating power of power, the application for induction heating power provide solid foundation.Sensing heating electricity
If source is controlled using discrete component, for the degree of automation than relatively low, man-machine interface and communication system effect are also poor；It can not
Intuitive display Current Voltage, the information such as synchronizing power, power consumption.
Utility model content：
In view of this, the main purpose of the utility model is to provide a kind of middle frequency furnace power control system.
Itself the technical solution adopted is that：
A kind of middle frequency furnace power control system,
Including string frequency electric furnace, switching input module, Analog input mModule, switching value output module, analog output
Module, system bus, control module, energy supply control module, host computer, human-machine interface module, it is characterised in that：The string frequency electricity
The output terminal connecting valve amount input module and Analog input mModule of stove, the input terminal connecting valve amount of the string frequency electric furnace are defeated
Go out module and analog output module, the system bus and switching input module, Analog input mModule, output switch parameter
Module, analog output module and control module interconnection, the control module are controlled with host computer, human-machine interface module and power supply
Module interconnects, and the energy supply control module is also connected with host computer, human-machine interface module and system bus,
The control module includes communication interface, cpu chip and memory, and the memory is interconnected with PCU chips one end,
And the cpu chip other end connection communication module,
The energy supply control module include power supply control chip, temperature feedback unit, outer pi regulator, interior PI adjusters,
Voltage feedback unit, rectifier, silicon-controlled, wave filter, inverter, middle frequency furnace, voltmeter, temperature sensor, the power supply
Control chip connection temperature feedback unit, voltage feedback unit, voltmeter and temperature sensor, the temperature feedback unit with it is outer
Pi regulator one end connects, and the outer pi regulator other end connection rectifier, the voltage feedback unit are also connected with interior PI
Adjuster, and the interior pi regulator connection rectifier, the rectifier are also connect with silicon-controlled one end, and described silicon-controlled another
One end connects wave filter, and the wave filter is also connected with voltmeter and middle frequency furnace, and the middle frequency furnace connects temperature sensor.
Further, the cpu chip is S7-200 series CUP 226.
Further, the power supply control chip is TMSL320LF240Z type control modules.
Advantageous effect：The utility model uses man-machine interface and states cpu chip and automatically controls, while passes through and acquire electricity
Source voltage, the switching value of electric current and middle frequency furnace end and analog quantity information are intuitively shown.
Description of the drawings
Fig. 1 is the frame principle of the utility model；
Fig. 2 is the structural scheme of mechanism of energy supply control module in the utility model.
Wherein, 1, switching input module；2nd, Analog input mModule；3rd, switching value output module；4th, analog output
Module；5th, system bus；6th, communication interface；7th, control module；8th, memory；9th, energy supply control module；10th, cpu chip；11、
Host computer；12nd, human-machine interface module；
900th, outer pi regulator；901st, interior pi regulator；902nd, rectifier；903rd, it is silicon-controlled；904th, wave filter；905th, it is inverse
Become device；906th, middle frequency furnace；907th, voltmeter；908th, temperature sensor；909th, power supply control chip；910th, Voltage Feedback list
Member；911st, temperature feedback unit.
Specific embodiment
The utility model is described in detail below in conjunction with attached drawing and specific embodiment, in the signal of this utility model
Property embodiment and explanation be used for explain the utility model, but be not intended to limit the scope of the present invention.
With reference to shown in Fig. 1-2, the utility model discloses a kind of middle frequency furnace power control system, including string frequency electric furnace, opens
Pass amount input module 1, Analog input mModule 2, switching value output module 3, analog output module 4, system bus 5, control
Module 7, energy supply control module 9, host computer 11, human-machine interface module 12, it is characterised in that：The output terminal of the string frequency electric furnace connects
Connect switching input module 1 and Analog input mModule 2,3 He of input terminal connecting valve amount output module of the string frequency electric furnace
Analog output module 4, the system bus 5 and switching input module 1, Analog input mModule 2, switching value output module
3rd, analog output module 4 and control module 7 interconnect, the control module 7 and host computer 11, human-machine interface module 12 and power supply
Control module 9 interconnects, and the energy supply control module 9 is also connected with host computer 11, human-machine interface module 12 and system bus 5；
The control module 7 includes communication interface 6, cpu chip 10 and memory 8, the memory 8 and CPU chips 10
One end interconnects, and 10 other end connection communication interface 6 of the cpu chip, and the cpu chip 10 is S7-200 series CUP
226；
The energy supply control module 9 includes power supply control chip 909, temperature feedback unit 911, outer pi regulator 900, interior
Pi regulator 901, voltage feedback unit 910, rectifier 902, silicon-controlled 903, wave filter 904, inverter 905, middle frequency furnace
906th, voltmeter 907, temperature sensor 908, the power supply control chip 909 connect temperature feedback unit 911, Voltage Feedback list
Member 910, voltmeter 907 and temperature sensor 908, the temperature feedback unit 911 are connect with outer 900 one end of pi regulator, and
900 other end of outer pi regulator connects rectifier 902, and the voltage feedback unit 910 is also connected with interior pi regulator 901,
And the interior pi regulator 901 connects rectifier 902, the rectifier 902 is also connect with silicon-controlled 903 one end, and it is described can
903 other end of silicon connection wave filter 904 is controlled, the wave filter 904 is also connected with voltmeter 907 and middle frequency furnace 906, in described
Frequency electric furnace 906 connects temperature sensor 908, and the power supply control chip 909 is TMSL320LF240Z type control modules.
Its operation principle：This control system is using S7-200 series CUP 226 as control centre, Analog input mModule
For EM231, analog output module EM232, the output of electric current of intermediate frequency is controlled according to the size of supply voltage and feedback voltage
Power, and given voltage is set according to the temperature and feedback temperature of setting, in the utility model, using man-machine interface and state
Cpu chip automatically controls, in power input, the switching value and analog quantity of acquisition supply voltage, electric current and middle frequency furnace end
Information is intuitively shown, reaches security control purpose.
The technical solution disclosed in the utility model embodiment is described in detail above, it is used herein specifically
Embodiment is expounded the principle and embodiment of the utility model embodiment, and the explanation of above example is only applicable to
Help understands the principle of the utility model embodiment；It is real according to the utility model meanwhile for those of ordinary skill in the art
Example is applied, the there will be changes in specific embodiment and application range, in conclusion the content of the present specification should not be understood
For the limitation to the utility model.
Claims (3)
1. a kind of middle frequency furnace power control system,
Including string frequency electric furnace, switching input module (1), Analog input mModule (2), switching value output module (3), analog quantity
Output module (4), system bus (5), control module (7), energy supply control module (9), host computer (11), human-machine interface module
(12), it is characterised in that：The string output terminal connecting valve amount input module (1) of frequency electric furnace and Analog input mModule (2),
The string input terminal connecting valve amount output module (3) of frequency electric furnace and analog output module (4), the system bus is with opening
Pass amount input module (1), Analog input mModule (2), switching value output module (3), analog output module (4) and control mould
Block (7) interconnects, and the control module (7) interconnects with host computer (11), human-machine interface module (12) and energy supply control module (9),
The energy supply control module (9) is also connected with host computer (11), human-machine interface module (12) and system bus (5),
The control module (7) includes communication interface (6), cpu chip (10) and memory (8), the memory (8) and CPU
Chip (10) one end interconnects, and the cpu chip (10) other end connection communication interface (6),
The energy supply control module (9) includes power supply control chip (909), temperature feedback unit (911), outer pi regulator
(900), interior pi regulator (901), voltage feedback unit (910), rectifier (902), silicon-controlled (903), wave filter (904),
Inverter (905), middle frequency furnace (906), voltmeter (907), temperature sensor (908), the power supply control chip (909) is even
Jointing temp feedback unit (911), voltage feedback unit (910), voltmeter (907) and temperature sensor (908), the temperature are anti-
Feedback unit 911 is connect with outer pi regulator (900) one end, and the outer pi regulator (900) other end connection rectifier
(902), the voltage feedback unit (910) is also connected with interior pi regulator (901), and the interior pi regulator (901) connection is whole
Device (902) is flowed, the rectifier (902) also connect with silicon-controlled (903) one end, and silicon-controlled (903) other end connection
Wave filter (904), the wave filter (904) are also connected with voltmeter (907) and middle frequency furnace (906), the middle frequency furnace (906)
Connect temperature sensor (908).
2. middle frequency furnace power control system according to claim 1, it is characterised in that：The cpu chip (10) is S7-
200 series CUP 226.
3. middle frequency furnace power control system according to claim 1, it is characterised in that：The power supply control chip
(909) it is TMSL320LF240Z type control modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721732866.7U CN207516802U (en) | 2017-12-13 | 2017-12-13 | A kind of middle frequency furnace power control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721732866.7U CN207516802U (en) | 2017-12-13 | 2017-12-13 | A kind of middle frequency furnace power control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207516802U true CN207516802U (en) | 2018-06-19 |
Family
ID=62544318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721732866.7U Expired - Fee Related CN207516802U (en) | 2017-12-13 | 2017-12-13 | A kind of middle frequency furnace power control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207516802U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109104073A (en) * | 2018-08-21 | 2018-12-28 | 山东荣泰感应科技有限公司 | Intermediate frequency furnace thyristor constant current Double-closed-loop control circuit and method |
-
2017
- 2017-12-13 CN CN201721732866.7U patent/CN207516802U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109104073A (en) * | 2018-08-21 | 2018-12-28 | 山东荣泰感应科技有限公司 | Intermediate frequency furnace thyristor constant current Double-closed-loop control circuit and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180619 Termination date: 20201213 |