CN203474870U - Centralized tempering furnace control system - Google Patents
Centralized tempering furnace control system Download PDFInfo
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- CN203474870U CN203474870U CN201320512421.3U CN201320512421U CN203474870U CN 203474870 U CN203474870 U CN 203474870U CN 201320512421 U CN201320512421 U CN 201320512421U CN 203474870 U CN203474870 U CN 203474870U
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- tempering
- tempering stove
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- plc controller
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Abstract
The utility model relates to a centralized tempering furnace control system, aiming at overcoming the defect that existing tempering furnaces are independently controlled, so that a plurality of tempering furnaces can not be controlled in a centralized way. The centralized tempering furnace control system comprises tempering furnaces and a control system for controlling the tempering furnaces, wherein the tempering furnaces are arranged in parallel; the control system is a programmable logic controller (PLC) control system which comprises a PLC and temperature control meters; the temperature control meters are connected with heating elements in the tempering furnaces; the number of the temperature control meters corresponds to that of the tempering furnaces; the heating elements are controlled to heat or stop heating by the PLC; the PLC is internally provided with a timer. The tempering furnaces are arranged in parallel and are under the control of the PLC control system together, so that the tempering furnaces can be controlled in a centralized way; each tempering furnace is provided with the corresponding temperature control meter, all the temperature control meters are under the control of the PLC control system, and the heating elements of the tempering furnaces are controlled by the PLC, so that the heating temperature of the tempering furnaces can be accurately controlled.
Description
Technical field
The utility model relates to a kind of Controlling System of tempering stove, especially a kind of many tempering stoves is carried out to central controlled tempering stove centralized monitoring system.
Background technology
Workpiece through quenching is reheated to the proper temperature lower than lower critical temperature, after insulation for some time in air or water, wet goods medium cooling metal heating processing technology.Tempering stove is mainly to carry out in tempering stove, and tempering stove carries out the light alloy parts quenchings such as tempering and aluminum alloy die casting, piston, aluminium sheet, annealing, timeliness thermal treatment in air for common metal parts.Through tempering, can eliminate residual stress in workpiece, obtain all good comprehensive mechanical properties of intensity, plasticity and toughness.
The inside of tempering stove is provided with heating unit, the Heating temperature of heating unit mainly realizes automatic control by temperature control watchband contactor, and each tempering stove is all to adopt independent control, but in the stove of this control mode, temperature fluctuation is larger, and the tempering time in tempering stove is by manually calculating, make the control of tempering time have very large randomness, be not easy to the control and management of quality product, and also there is no unified Controlling System for many tempering stoves.
The electrical heating element of traditional temperature controller generally be take calrod, heating circle as main, and both make with heating wire the inside.Traditional temperature controller carries out temperature control period, and when being heated device temperature and being increased to design temperature, temperature controller can send signal and stop heating.But at this moment the internal temperature of heating bar or heating circle can be higher than 400 ℃, heating bar, heating circle also will heat heated device, even if temperature controller sends signal, stop heating, the temperature that is heated device also often continues to be raised several degrees, and then just starts to decline.When drop to design temperature lower in limited time temperature controller starts again to send the signal of heating, start heating, but heating wire to be delivered to temperature to be heated device and to need certain time, therefore have the phenomenon of positive negative error, and this easily causes the Quality Down of workpiece.
Summary of the invention
It is independent control that the utility model has solved existing tempering stove, can not realize many central controlled defects of tempering stove, a kind of tempering stove centralized monitoring system is provided, and many tempering stoves jointly connect temp controlled meter and include in PLC control, realize many tempering stove centralized Control.
The utility model has also solved the practical temperature control watchband of existing tempering stove contactor and has controlled temperature, easily there is the phenomenon of positive negative error, affect the defect of workpiece quality, a kind of tempering stove centralized monitoring system is provided, temp controlled meter adopts the regulation meter with the PWM output of PID function, realizes tempering stove Heating temperature accurately control in conjunction with high power solid state rly..
The utility model has also solved existing tempering stove heat-up time by manually calculating, random strong, the defect that is unfavorable for the control and management of quality product, a kind of tempering stove centralized monitoring system is provided, to bring into the heat-up time of tempering stove in PLC control, realize accurately and controlling, to improve the quality of products.
The utility model solves the technical scheme that its technical problem adopts: a kind of tempering stove centralized monitoring system, the Controlling System that comprises tempering stove and control tempering stove, it is characterized in that tempering stove is that many tempering stoves are arranged side by side, Controlling System is PLC Controlling System, PLC Controlling System comprises PLC controller and temp controlled meter, temp controlled meter connects the heating unit in tempering stove, the quantity of temp controlled meter is corresponding with the quantity of tempering stove, heating unit is controlled and is heated or stop heating by PLC controller, and PLC controller inside is with timing register.Many tempering stoves are arranged side by side, jointly include in PLC Controlling System, realize many tempering stove centralized Control, each tempering stove all has corresponding temp controlled meter, all temp controlled meters are also brought in PLC Controlling System, the heating unit of tempering stove is controlled by PLC controller, thereby realize tempering stove Heating temperature, accurately controls.
As preferably, the heating unit in tempering stove adopts high temperature resistance B alloy wire, and heating unit is band shape or spirrillum, and heating unit is serially connected with solid state relay, and solid state relay has PLC controller to control.By solid state relay, respond fast and realize the operation of heating unit and stop, thereby preventing the phenomenon that adds thermal hysteresis or stop incuring loss through delay, solid state relay is controlled by PLC controller, and control accuracy is high.
As preferably, temp controlled meter adopts the regulation meter with the PWM output of PID function, and regulation meter is connected with heating unit, and regulation meter is also connected with PLC controller.The heating cycle of this regulation meter energy real time reaction heating unit, speed of response is fast, and tolerance range is high.
As preferably, PLC Controlling System also comprises touch-screen, touch-screen is connected with PLC controller, in touch-screen, be integrated with Heating temperature display module, heat-up time display module, tempering time display module and cooling time display module, in touch-screen, be also integrated with setting load module.Touch-screen can be set Heating temperature, the heat-up time of tempering stove, shows Heating temperature and heat-up time, tempering time and the cooling time of tempering stove simultaneously.
As preferably, display module integrated in touch-screen is corresponding with tempering stove, and each tempering stove is four display modules of correspondence all.
As preferably, PLC Controlling System also comprises combined aural and visual alarm, and combined aural and visual alarm is connected with PLC controller.When the time of tempering, arrive setting-up time, combined aural and visual alarm sends to report to the police and stop heating and enters the state of cooling.
As preferably, PLC Controlling System also comprises recording instrument without paper, and recording instrument without paper is connected with PLC controller.By recording instrument without paper, the temperature of each tempering stove has been carried out to record, so that quality product is analyzed.
The beneficial effects of the utility model are: many tempering stoves are arranged side by side, jointly include in PLC Controlling System, realize many tempering stove centralized Control, each tempering stove all has corresponding temp controlled meter, all temp controlled meters are also brought in PLC Controlling System, the heating unit of tempering stove is controlled by PLC controller, thereby realize tempering stove Heating temperature, accurately controls.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the utility model;
In figure: 1, tempering stove, 2, heating unit, 3, PLC Controlling System, 4, temp controlled meter, 5, rly., 6, PLC controller, 7, heat-up time display module, 8, Heating temperature display module, 9, set load module, 10, tempering time module on the offensive, 11, cooling time display module, 12, recording instrument without paper, 13, combined aural and visual alarm.
Embodiment
Below by specific embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment: a kind of tempering stove centralized monitoring system (referring to accompanying drawing 1), the PLC Controlling System 3 that comprises many tempering stoves 1 and be connected with tempering stove, this sentences 8 tempering stoves is example.8 tempering stoves are mutually arranged side by side, and the heating unit 2 in tempering stove adopts high temperature resistance B alloy wire, and it is banded that heating unit is.PLC Controlling System comprises PLC controller 6, temp controlled meter 4, rly. 5, touch-screen, recording instrument without paper 12 and combined aural and visual alarm 13.Temp controlled meter 4 adopts the regulation meter with the PWM output of PID function, and regulation meter is connected with heating unit, and regulation meter is also connected with PLC controller, and the quantity of temp controlled meter equates with the quantity of tempering stove, a temp controlled meter of each tempering stove connection.Rly. adopts solid state relay, and rly. is connected in series with heating unit, is also connected with PLC controller.Touch-screen is connected with PLC controller, in touch-screen, be integrated with Heating temperature display module 8, heat-up time display module 7, tempering time display module 10 and cooling time display module 11, in touch-screen, be also integrated with and set load module 9.Display module integrated in touch-screen is corresponding with tempering stove, all corresponding four display modules of each tempering stove.PLC controller inside is with timing register, and combined aural and visual alarm is connected with PLC controller, and recording instrument without paper is connected with PLC controller.
According to the tempering requirement of product, by setting load module, set tempering stove Heating temperature, heat-up time, tempering time and cooling time, workpiece is put in tempering stove, simultaneously by PLC controller relay, heating unit starts heating, touch screen display Heating temperature and heat-up time, temp controlled meter is accurately controlled Heating temperature simultaneously, according to setting by PLC controller relay, according to the tempering process of product, implement, touch screen display tempering time simultaneously, cooling time, recording instrument without paper carries out record to the temperature of tempering stove, be convenient to quality product to analyze.
Above-described embodiment is a kind of preferred version of the present utility model, not the utility model is done to any pro forma restriction, also has other variant and remodeling under the prerequisite that does not exceed the technical scheme that claim records.
Claims (7)
1. a tempering stove centralized monitoring system, the Controlling System that comprises tempering stove and control tempering stove, it is characterized in that tempering stove is that many tempering stoves are arranged side by side, Controlling System is PLC Controlling System, PLC Controlling System comprises PLC controller and temp controlled meter, and temp controlled meter connects the heating unit in tempering stove, and the quantity of temp controlled meter is corresponding with the quantity of tempering stove, heating unit is controlled and is heated or stop heating by PLC controller, and PLC controller inside is with timing register.
2. tempering stove centralized monitoring system according to claim 1, it is characterized in that the heating unit in tempering stove adopts high temperature resistance B alloy wire, heating unit is band shape or spirrillum, and heating unit is serially connected with solid state relay, and solid state relay has PLC controller to control.
3. tempering stove centralized monitoring system according to claim 1, is characterized in that temp controlled meter adopts the regulation meter with the PWM output of PID function, and regulation meter is connected with heating unit, and regulation meter is also connected with PLC controller.
4. according to the tempering stove centralized monitoring system described in claim 1 or 2 or 3, it is characterized in that PLC Controlling System also comprises touch-screen, touch-screen is connected with PLC controller, in touch-screen, be integrated with Heating temperature display module, heat-up time display module, tempering time display module and cooling time display module, in touch-screen, be also integrated with setting load module.
5. tempering stove centralized monitoring system according to claim 4, is characterized in that display module integrated in touch-screen is corresponding with tempering stove, all corresponding four display modules of each tempering stove.
6. according to the tempering stove centralized monitoring system described in claim 1 or 2 or 3, it is characterized in that PLC Controlling System also comprises combined aural and visual alarm, combined aural and visual alarm is connected with PLC controller.
7. according to the tempering stove centralized monitoring system described in claim 1 or 2 or 3, it is characterized in that PLC Controlling System also comprises recording instrument without paper, recording instrument without paper is connected with PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320512421.3U CN203474870U (en) | 2013-08-22 | 2013-08-22 | Centralized tempering furnace control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320512421.3U CN203474870U (en) | 2013-08-22 | 2013-08-22 | Centralized tempering furnace control system |
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| Publication Number | Publication Date |
|---|---|
| CN203474870U true CN203474870U (en) | 2014-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320512421.3U Expired - Fee Related CN203474870U (en) | 2013-08-22 | 2013-08-22 | Centralized tempering furnace control system |
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| CN (1) | CN203474870U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106125785A (en) * | 2016-08-30 | 2016-11-16 | 安庆三维电器有限公司 | A kind of electric control circuit based on PLC |
| CN113005280A (en) * | 2021-01-04 | 2021-06-22 | 安徽黄山恒久链传动有限公司 | Heat treatment control system |
| CN114774671A (en) * | 2022-04-02 | 2022-07-22 | 湖北之江智能科技有限公司 | Tempering furnace intelligent supervision system and control method |
-
2013
- 2013-08-22 CN CN201320512421.3U patent/CN203474870U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106125785A (en) * | 2016-08-30 | 2016-11-16 | 安庆三维电器有限公司 | A kind of electric control circuit based on PLC |
| CN106125785B (en) * | 2016-08-30 | 2018-05-04 | 安庆三维电器有限公司 | A kind of electric control circuit based on PLC |
| CN113005280A (en) * | 2021-01-04 | 2021-06-22 | 安徽黄山恒久链传动有限公司 | Heat treatment control system |
| CN114774671A (en) * | 2022-04-02 | 2022-07-22 | 湖北之江智能科技有限公司 | Tempering furnace intelligent supervision system and control method |
| CN114774671B (en) * | 2022-04-02 | 2024-01-09 | 湖北之江智能科技有限公司 | Tempering furnace intelligent supervision system and control method |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 311402 high tech industry function zone, Fuyang District, Zhejiang, Hangzhou Patentee after: Zhejiang anchor Polytron Technologies Inc Address before: Silver Lake Street Golf Road Fuyang city Hangzhou city Zhejiang province 311402 No. 128 Patentee before: Zhejiang Zhemao Pre-Stressing Force Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140312 Termination date: 20180822 |
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| CF01 | Termination of patent right due to non-payment of annual fee |