CN204203806U - The cascade temperature control system of a kind of horse not heat-treatment furnace - Google Patents
The cascade temperature control system of a kind of horse not heat-treatment furnace Download PDFInfo
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- CN204203806U CN204203806U CN201420570267.XU CN201420570267U CN204203806U CN 204203806 U CN204203806 U CN 204203806U CN 201420570267 U CN201420570267 U CN 201420570267U CN 204203806 U CN204203806 U CN 204203806U
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Abstract
The utility model discloses the cascade temperature control system of a kind of horse not heat-treatment furnace, comprise horse not; Temperature thermocouple, it comprises the first temperature thermocouple and the second temperature thermocouple, and it is not inner that described first temperature thermocouple is arranged at described horse, and described second temperature thermocouple is arranged at described horse not between outside and heat-insulation layer; Well heater, it is arranged at described horse not between outside and described heat-insulation layer; Power of controlled silicon controller, it is arranged in switch board, is connected with described well heater via transformer; For regulating input voltage, the heating power of well heater; Programmable Temperature regulator, it is arranged in switch board, and one end is connected with described power of controlled silicon controller, and the other end is connected with described first temperature thermocouple, then one end is connected with described second temperature thermocouple.The utility model improves the thermal treatment quality of horse not heat-treatment furnace, avoids the in-furnace temperature product caused that fluctuates and does over again and scrap, economize energy, enhance productivity.
Description
Technical field
The utility model relates to technical field of heat treatment, particularly relates to the cascade temperature control system of a kind of novel horse not heat-treatment furnace.
Background technology
Have horse not heat-treatment furnace be a kind of conventional heat treating equipment, usual heating element and insulation material be distributed in horse not outside, effective heating area is at Ma Funei.Furnace atmosphere not can be isolated by horse, makes heating element, insulation material from the impact of furnace atmosphere, extends the serviceable life of heating element and insulation material; Stable furnace atmosphere can be obtained simultaneously, make process workpiece from the impact of external environment condition; And horse not can also play the effect of atmosphere water conservancy diversion, obtains good atmosphere evenness.
But because horse not adopts heat-resisting steel material, wall thickness usually at more than 6mm usually, there is larger accumulation of heat, this structure must cause temperature in the outer temperature of tank and tank to produce temperature difference, in tank temperature rising and overshoot after falling all can than have outside tank one longer delayed, certain hysteresis quality is had to the control of temperature, so the temperature-controlled process of routine, be difficult to obtain desirable temperature control precision.
Utility model content
The object of this part is to summarize some aspects of embodiment of the present utility model and briefly introduces some preferred embodiments.May do in the specification digest and utility model title of this part and the application a little simplify or omit with avoid making this part, specification digest and utility model title object fuzzy, and this simplification or omit and can not be used for limiting scope of the present utility model.
In view of Problems existing in the temperature control system of above-mentioned and/or existing horse not heat-treatment furnace, propose the utility model.
Therefore, the utility model wherein object is to provide a kind of cascade temperature control system that can solve horse not heat-treatment furnace temperature control accuracy, improves the thermal treatment quality having horse not heat-treatment furnace.
For solving the problems of the technologies described above, according to an aspect of the present utility model, the utility model provides following technical scheme: the cascade temperature control system of a kind of horse not heat-treatment furnace, comprise horse not, it also comprises, temperature thermocouple, and it comprises the first temperature thermocouple and the second temperature thermocouple, it is not inner that described first temperature thermocouple is arranged at described horse, and described second temperature thermocouple is arranged at described horse not between outside and heat-insulation layer; Well heater, it is arranged at described horse not between outside and described heat-insulation layer; Power of controlled silicon controller, it is arranged in switch board, is connected with described well heater via transformer; For regulating input voltage, the heating power of well heater; Programmable Temperature regulator, it is arranged in switch board, and one end is connected with described power of controlled silicon controller, and the other end is connected with described first temperature thermocouple, then one end is connected with described second temperature thermocouple.
As a kind of preferred version of cascade temperature control system of horse described in the utility model not heat-treatment furnace, wherein: described Programmable Temperature regulator is binary channels PID controller, by described binary channels PID controller, cascade Mach-Zehnder interferometer is carried out to not inside and outside the first temperature thermocouple of horse and the second temperature thermocouple.
As a kind of preferred version of cascade temperature control system of horse described in the utility model not heat-treatment furnace, wherein: described silicon power controller one end is also provided with transformer, input voltage, the heating power of well heater is regulated by described power of controlled silicon controller and transformer.
As a kind of preferred version of cascade temperature control system of horse described in the utility model not heat-treatment furnace, wherein: described binary channels PID controller has two-way calculation function, by cascade temperature mathematics of control computing SV2=SV1+C*Y1, the first not inside and outside temperature thermocouple of horse and the second temperature thermocouple are connected each other, realize cascade Mach-Zehnder interferometer, thus realize horse not heat-treatment furnace cascade temperature control, reach the accurate temperature controlling of in-furnace temperature; Wherein, SV1: Ma Funei desired temperature; Y1: not interior first temperature thermocouple of horse controls output valve; SV2: the not outer desired temperature of horse; C: equipment constant factor.
By above measure, eliminate common horse temperature overshot, temperature control that not heat-treatment furnace exists to fluctuate large problem, horse not in heat-treatment furnace workspace temperature-controlled precision reach ± 1 DEG C within the scope of, reach the designing requirement of regulation completely, improve the thermal treatment quality of horse not heat-treatment furnace, avoid the in-furnace temperature product caused that fluctuates do over again and scrap, economize energy, enhance productivity.
Accompanying drawing explanation
Fig. 1 is the cascade temperature control system structural representation in one embodiment of horse described in the utility model not heat-treatment furnace;
Fig. 2 is the schematic diagram of the utility model cascade temperature mathematics of control operational model.
Embodiment
For enabling above-mentioned purpose of the present utility model, feature and advantage become apparent more, are described in detail below to embodiment of the present utility model.
Set forth a lot of detail in the following description so that fully understand the utility model, but the utility model can also adopt other to be different from alternate manner described here to implement, those skilled in the art can when doing similar popularization without prejudice to when the utility model intension, and therefore the utility model is by the restriction of following public specific embodiment.
Below adopt embodiment to describe embodiment of the present utility model in detail, to the utility model, how application technology means solve technical matters whereby, and the implementation procedure reaching technique effect can fully understand and implement according to this.
As shown in Figure 1, the utility model provides the cascade temperature control system of a kind of horse not heat-treatment furnace, and it comprises: horse not 100, temperature thermocouple 200, well heater 300, power of controlled silicon controller 400 and Programmable Temperature regulator 500.
In this embodiment, further comprises fire door 101, agitation fan 102, transformer 600 and basic controlling loop 800.Temperature thermocouple 200 comprises the first temperature thermocouple 201 and the second temperature thermocouple 202, first temperature thermocouple 201 be arranged at horse not 100 inside, and the second temperature thermocouple 202 be arranged at horse not 100 outside and heat-insulation layer 700 between, the signal of the first temperature thermocouple 201 and the second temperature thermocouple 202 accesses Programmable Temperature regulator 500 respectively, in this way of example, Programmable Temperature regulator 500 can select binary channels PID (i.e. ratio Proportion, integration Integration and differential Differentiation) controller, 2 input ends of binary channels PID controller, by the cascade temperature mathematics of control operational model set up in advance, make to set up computing between " PID arithmetic 1 " of horse not in 100 and horse " PID arithmetic 2 " not outside 100 to contact, as shown in Figure 2.
The input signal of " PID arithmetic 1 " is horse not the first temperature thermocouple 201 measured value T1, horse not desired temperature SV1 in 100 in 100, and its output signal is Y1.
The input signal of " cascade temperature mathematics of control operational model " is SV1, Y1, output signal is horse not 100 outer desired temperature SV2, cascade temperature mathematics of control computing SV2=SV1+C*Y1, makes " PID arithmetic 1 " and " PID arithmetic 2 " of horse not inside and outside 100 connect each other.
The input signal of " PID arithmetic 2 " is the second temperature thermocouple 202 measured value T2, horse not 100 outer desired temperature SV2, outputs signal as Y2, Y2 trigger power of controlled silicon controller 400, regulates input voltage, the heating power of well heater.
In this embodiment, horse not heat-treatment furnace adopts cascade temperature control system, it arranges 2 thermopairs respectively inside and outside horse not 100, certain temperature difference is kept between 2 thermopairs, this temperature difference dynamic change along with the change of furnace temperature simultaneously, and carry out the control of cascade temperature by mathematical model formula, thus accurate temperature controlling in the stove realizing horse not heat-treatment furnace.
In the utility model, well heater 300 rated power is 100KW, specified processing power is 450Kg, after adopting this cascade temperature control system, horse not in 100 workspace temperature-controlled precision reach ± 1 DEG C within the scope of, reach the designing requirement of regulation completely, improve the thermal treatment quality of horse not heat-treatment furnace, avoid the in-furnace temperature product caused that fluctuates and do over again and scrap, economize energy, enhances productivity.
It should be noted that, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (4)
1. a cascade temperature control system for horse not heat-treatment furnace, comprises horse not, it is characterized in that: also comprise,
Temperature thermocouple, it comprises the first temperature thermocouple and the second temperature thermocouple, and it is not inner that described first temperature thermocouple is arranged at described horse, and described second temperature thermocouple is arranged at described horse not between outside and heat-insulation layer;
Well heater, it is arranged at described horse not between outside and described heat-insulation layer;
Power of controlled silicon controller, it is arranged in switch board, is connected with described well heater via transformer; For regulating input voltage, the heating power of well heater;
Programmable Temperature regulator, it is arranged in switch board, and one end is connected with described power of controlled silicon controller, and the other end is connected with described first temperature thermocouple, then one end is connected with described second temperature thermocouple.
2. the cascade temperature control system of horse as claimed in claim 1 not heat-treatment furnace, it is characterized in that: described Programmable Temperature regulator is binary channels PID controller, by described binary channels PID controller, cascade Mach-Zehnder interferometer is carried out to not inside and outside the first temperature thermocouple of horse and the second temperature thermocouple.
3. the cascade temperature control system of horse as claimed in claim 1 not heat-treatment furnace, is characterized in that: described power of controlled silicon controller one end is also provided with transformer, by described power of controlled silicon controller and transformer to horse not heat-treatment furnace heat.
4. the cascade temperature control system of horse as claimed in claim 2 not heat-treatment furnace, it is characterized in that: described binary channels PID controller has two-way calculation function, by cascade temperature mathematics of control computing SV2=SV1+C*Y1, the first not inside and outside temperature thermocouple of horse and the second temperature thermocouple are connected each other, realize cascade Mach-Zehnder interferometer, thus realize the cascade temperature of horse not inside and outside heat-treatment furnace and control, reach the accurate temperature controlling of in-furnace temperature;
Wherein,
SV1: Ma Funei desired temperature;
Y1: not interior first temperature thermocouple of horse controls output valve;
SV2: the not outer desired temperature of horse;
C: equipment constant factor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420570267.XU CN204203806U (en) | 2014-09-29 | 2014-09-29 | The cascade temperature control system of a kind of horse not heat-treatment furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420570267.XU CN204203806U (en) | 2014-09-29 | 2014-09-29 | The cascade temperature control system of a kind of horse not heat-treatment furnace |
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| Publication Number | Publication Date |
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| CN204203806U true CN204203806U (en) | 2015-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420570267.XU Withdrawn - After Issue CN204203806U (en) | 2014-09-29 | 2014-09-29 | The cascade temperature control system of a kind of horse not heat-treatment furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104391524A (en) * | 2014-09-29 | 2015-03-04 | 江苏丰东热技术股份有限公司 | Muffle heat treatment furnace cascade temperature control system |
-
2014
- 2014-09-29 CN CN201420570267.XU patent/CN204203806U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104391524A (en) * | 2014-09-29 | 2015-03-04 | 江苏丰东热技术股份有限公司 | Muffle heat treatment furnace cascade temperature control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150311 Effective date of abandoning: 20160824 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |