CN104651600A - Anchor chain thermal treatment furnace monitoring system - Google Patents
Anchor chain thermal treatment furnace monitoring system Download PDFInfo
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- CN104651600A CN104651600A CN201310603740.XA CN201310603740A CN104651600A CN 104651600 A CN104651600 A CN 104651600A CN 201310603740 A CN201310603740 A CN 201310603740A CN 104651600 A CN104651600 A CN 104651600A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 32
- 238000007669 thermal treatment Methods 0.000 title abstract 5
- 238000010791 quenching Methods 0.000 claims abstract description 29
- 230000000171 quenching effect Effects 0.000 claims abstract description 29
- 238000010438 heat treatment Methods 0.000 claims description 54
- 238000005496 tempering Methods 0.000 claims description 31
- 238000000034 method Methods 0.000 claims description 11
- 239000000498 cooling water Substances 0.000 claims description 6
- 238000012806 monitoring device Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 4
- 230000000007 visual effect Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 8
- 230000008878 coupling Effects 0.000 abstract 3
- 238000010168 coupling process Methods 0.000 abstract 3
- 238000005859 coupling reaction Methods 0.000 abstract 3
- 238000000137 annealing Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Testing And Monitoring For Control Systems (AREA)
Abstract
The invention discloses an anchor chain thermal treatment furnace monitoring system which comprises a monitoring center, a programmable logic controller, thermal couplings, a frequency conversion signal acquisition module, a hardness acquisition device and an on-site setup display device, wherein the programmable logic controller is connected with the monitoring center through an Ethernet; the thermal couplings, the frequency conversion signal acquisition module, the hardness acquisition device and the on-site setup display device are connected with programmable logic controller; at least three thermal couplings are arranged on a thermal treatment furnace; the frequency conversion signal acquisition module is an analog quantity signal acquisition module and is used for acquiring frequency conversion signals of a quenching motor frequency converter and an annealing motor frequency converter; the on-site setup display device comprises a setup module and a display module. By adopting the anchor chain thermal treatment furnace monitoring system disclosed by the invention, not only are thermal treatment furnace operation parameters set and monitored in real time, but also relevant operation parameters are recorded in a database server of a control center, so that remote monitoring and query can be facilitated.
Description
Technical Field
The invention relates to the technical field of monitoring devices, in particular to a monitoring system of an anchor chain heat treatment furnace.
Background
At present, a mode of combining manual control and automatic control is mainly adopted for monitoring the anchor chain heat treatment furnace, in the heat treatment process, the heat treatment of products cannot be completed according to the process requirements because operators do not operate according to specifications, and the products subjected to the heat treatment often have quality problems such as cracks and the like, so that great potential safety hazards are brought, even waste products are generated, and great loss is caused.
In order to avoid repeated occurrence of problems and facilitate technical personnel to analyze specific reasons of the problems, some manufacturers record relevant parameters such as quenching furnace temperature, tempering furnace temperature, furnace entering and exiting time, hardness and the like in a manual recording mode. The manual recording mode is complex in operation, and subsequent data processing is troublesome, so that the working efficiency is greatly limited.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a monitoring system of a heat treatment furnace of an anchor chain, which can realize real-time monitoring of various parameters in the heat treatment process and automatically give an alarm when the parameters are wrong.
In order to achieve the purpose, the invention adopts the following technical scheme.
A monitoring system of an anchor chain heat treatment furnace is characterized by comprising: the system comprises a monitoring center, a programmable logic controller connected with the monitoring center through an Ethernet, and a thermocouple, a variable frequency signal acquisition module, a hardness acquisition device and a field setting display device which are connected with the programmable logic controller; wherein,
the monitoring center includes: a database server connected to the programmable logic controller, at least one monitoring device connected to the database server through a switch;
the number of the thermocouples is at least three, and the thermocouples are arranged on the heat treatment furnace and are respectively used for acquiring temperature parameters of a quenching area, a tempering area and cooling water;
the variable frequency signal acquisition module is an analog quantity signal acquisition module and is used for acquiring variable frequency signals of a quenching motor frequency converter and a tempering motor frequency converter;
the field setting display device comprises a setting module and a display module which are respectively used for setting, monitoring and displaying the field operation parameters of the heat treatment furnace.
As a preferable scheme of the present invention, the hardness acquisition device is a hardness meter, and the hardness meter is used to acquire the third hardness value after the heat treatment of the product is completed.
As a preferable aspect of the present invention, the monitoring apparatus includes: the system comprises a computer host connected with a database server, a display and a printer connected with the computer host; the computer host generates an electronic report form according to the heat treatment process parameters, the display is used for inquiring and displaying the electronic report form, and the printer is used for printing the electronic report form.
As a preferable aspect of the present invention, the number of the thermocouples is ten; the quenching area is divided into a first quenching area, a second quenching area, a third quenching area and a fourth quenching area, and the tempering area is divided into a first tempering area, a second tempering area, a third tempering area, a fourth tempering area and a fifth tempering area; a thermocouple is arranged in each quenching and tempering area and cooling water.
In a preferred embodiment of the present invention, the field setting display device is a microprocessor embedded with a touch screen.
As a preferred embodiment of the present invention, the number of the programmable logic controllers is multiple, each of the programmable logic controllers correspondingly controls one heat treatment furnace, and the plurality of programmable logic controllers are connected by PPI communication cables.
As a preferable scheme of the invention, the monitoring system further comprises an acousto-optic alarm device, and the acousto-optic alarm device is in signal connection with the programmable logic controller.
The anchor chain heat treatment furnace monitoring system provided by the invention has the following beneficial effects:
the control center, the programmable controller and the field setting display device which are connected with each other are arranged, so that the operation parameters of the heat treatment furnace can be set and monitored in real time, the related operation parameters can be recorded in a database server of the control center, remote monitoring and query are facilitated, and the supervision of all process parameters of the heat treatment furnace is greatly improved.
And the monitor is composed of a computer host connected with the database server, a display and a printer connected with the computer host, so that a corresponding electronic file production report or curve can be generated according to the requirements of a user, the electronic file report can be permanently stored after being generated, the query is convenient, a user does not need to read the recorded documents by copying the report like a traditional manual report, and the working efficiency is greatly improved.
Thirdly, acquiring the frequency conversion information of the motor through a frequency conversion signal acquisition module to realize real-time monitoring of the operation condition of the workpiece in the continuous heat treatment furnace; by the record, the heat treatment heating time of the specific anchor chain can be accurately analyzed and controlled, and the requirement of the anchor chain after heat treatment is met. Before the system is not provided, the basic situation of heat treatment heating can be preliminarily known only by manually recording the time of the anchor chain entering and exiting the furnace; the heat treatment state of each link cannot be accurately analyzed.
And fourthly, because the monitoring system also comprises an audible and visual alarm device, if the deviation between the real-time monitored data of the heat treatment furnace in the operation process and the heat treatment process parameter value set by the user exceeds the deviation range, the monitoring system not only can give an accurate prompt about the fault in the audible and visual alarm mode, but also can record the reason and the time of the alarm, thereby being convenient for inquiring during subsequent maintenance.
Drawings
Fig. 1 is a schematic structural diagram of a monitoring system of a heat treatment furnace for an anchor chain according to the present invention.
Detailed Description
To facilitate a better understanding of the nature of the present invention, the following detailed description of the embodiments of the present invention is provided in conjunction with the accompanying drawings.
As shown in fig. 1, a monitoring system for a heat treatment furnace of an anchor chain comprises: the monitoring center is connected with the monitoring center through the Ethernet, and the programmable logic controller is connected with the thermocouple, the variable frequency signal acquisition module, the hardness acquisition device and the field setting display device.
Wherein, each programmable logic controller corresponds to one heat treatment furnace. The monitoring center includes: the monitoring device comprises a database server connected with the programmable logic controller, and at least one monitoring device connected with the database server through a switch. The number of the thermocouples is at least three, and the thermocouples are arranged on the heat treatment furnace and are respectively used for detecting the temperature of the quenching area, the tempering area and the cooling water of the heat treatment furnace. The frequency conversion signal acquisition module is an analog quantity signal acquisition module and is used for acquiring frequency conversion signals of a quenching motor frequency converter and a tempering motor frequency converter of the heat treatment furnace. The field setting display device comprises a setting module and a display module which are respectively used for setting, monitoring and displaying the field operation parameters of the heat treatment furnace. The hardness acquisition device is a hardness meter, and three hardness values are acquired by the hardness meter after the heat treatment of the product is finished so as to test the heat treatment effect.
In this embodiment, the monitoring apparatus preferably includes: the system comprises a computer host connected with a database server, a display and a printer connected with the computer host; so as to generate, inquire and print the electronic file production report. Preferably, the field setting display device is a microprocessor embedded with a touch screen. Preferably, the programmable logic controllers are two, and the two programmable logic controllers are connected through a PPI communication cable. Of course, the number of the programmable logic controllers is three or more according to the number of the specific heat treatment furnaces, and a plurality of programmable logic controllers are connected together through PPI communication cables, which is not limited to this embodiment.
In order to ensure the uniformity of the temperature in the heat treatment furnace, the number of the thermocouples is ten, and the type of the thermocouples is a type K thermocouple. When the method is specifically set, firstly, a quenching area is divided into a first quenching area, a second quenching area, a third quenching area and a fourth quenching area, and a tempering area is divided into a first tempering area, a second tempering area, a third tempering area, a fourth tempering area and a fifth tempering area; then, a thermocouple is arranged in each divided quenching and tempering area and cooling water. A plurality of temperature measuring points are arranged in the quenching area and the tempering area, so that the uniformity of the temperature in the heat treatment furnace is effectively ensured.
During actual work, an operator firstly sets the temperature of each divided quenching area and tempering area through the touch screen, and defines an allowable error of the set temperature and the operating temperature. And in the working state, the touch screen displays the set temperature and the operating temperature of each quenching area and each tempering area in real time and indicates the operating state. When the set temperature and the operating temperature are within the allowable error, the green lamp is turned on; when the difference between the set temperature and the operating temperature exceeds an allowable error, the red light is turned on; the operating state can be conveniently judged by an operator.
Furthermore, for the convenience of control, each heat treatment furnace is also provided with an acousto-optic alarm device which is in signal connection with the programmable logic controller. Therefore, the method not only can give accurate reminding of where the fault occurs in the form of sound and light alarm, but also can transmit the specific reason and time information of the alarm to the database server and record the information in the database server so as to be convenient for query.
The anchor chain heat treatment furnace monitoring system provided by the embodiment can not only set and monitor the operation parameters of the heat treatment furnace in real time, but also record the relevant operation parameters in the database server of the control center through the control center, the programmable controller and the field setting display device which are mutually connected, is convenient for remote monitoring and query, and greatly improves the supervision and control strength of each process parameter of the heat treatment furnace. Meanwhile, the monitor is composed of a computer host connected with the database server, a display and a printer connected with the computer host, so that a corresponding electronic file production report or curve can be generated according to the requirements of a user, the electronic file report can be permanently stored after being generated, the query is convenient, a user does not need to read the recorded documents by copying the report like a traditional manual report, and the working efficiency is greatly improved.
The above embodiments have described the essence of the present invention in detail, but the scope of the present invention should not be limited to the above embodiments. It is intended that all such alterations, modifications and equivalents as fall within the true spirit and scope of the invention are desired to be protected by the following claims.
Claims (7)
1. A monitoring system of an anchor chain heat treatment furnace is characterized by comprising: the system comprises a monitoring center, a programmable logic controller connected with the monitoring center through an Ethernet, and a thermocouple, a variable frequency signal acquisition module, a hardness acquisition device and a field setting display device which are connected with the programmable logic controller; wherein,
the monitoring center includes: a database server connected to the programmable logic controller, at least one monitoring device connected to the database server through a switch;
the number of the thermocouples is at least three, and the thermocouples are arranged on the heat treatment furnace and are respectively used for acquiring temperature parameters of a quenching area, a tempering area and cooling water;
the variable frequency signal acquisition module is an analog quantity signal acquisition module and is used for acquiring variable frequency signals of a quenching motor frequency converter and a tempering motor frequency converter;
the field setting display device comprises a setting module and a display module which are respectively used for setting, monitoring and displaying the field operation parameters of the heat treatment furnace.
2. The anchor chain heat treatment furnace monitoring system of claim 1, wherein the hardness acquisition device is a hardness meter, and a hardness value of three times is acquired by the hardness meter after the heat treatment of the product is completed.
3. The anchor chain heat treatment furnace monitoring system of claim 1, wherein the monitoring device comprises: the system comprises a computer host connected with a database server, a display and a printer connected with the computer host; the computer host generates an electronic report form according to the heat treatment process parameters, the display is used for inquiring and displaying the electronic report form, and the printer is used for printing the electronic report form.
4. The anchor chain heat treatment furnace monitoring system of claim 1, wherein the number of thermocouples is ten; the quenching area is divided into a first quenching area, a second quenching area, a third quenching area and a fourth quenching area, and the tempering area is divided into a first tempering area, a second tempering area, a third tempering area, a fourth tempering area and a fifth tempering area; a thermocouple is provided in each of the quenching and tempering zones and in the cooling water.
5. The anchor chain heat treatment furnace monitoring system of claim 1, wherein the field setting display device is a microprocessor embedded with a touch screen.
6. The anchor chain heat treatment furnace monitoring system of claim 1, wherein the number of the programmable logic controllers is plural, each programmable logic controller correspondingly controls one heat treatment furnace, and the plurality of programmable logic controllers are connected through PPI communication cables.
7. The anchor chain heat treatment furnace monitoring system according to claim 1, further comprising an audible and visual alarm device in signal connection with the programmable logic controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310603740.XA CN104651600A (en) | 2013-11-25 | 2013-11-25 | Anchor chain thermal treatment furnace monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310603740.XA CN104651600A (en) | 2013-11-25 | 2013-11-25 | Anchor chain thermal treatment furnace monitoring system |
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| CN104651600A true CN104651600A (en) | 2015-05-27 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105821189A (en) * | 2016-05-26 | 2016-08-03 | 淮南市宜留机械科技有限公司 | Automatic regulating device for heating temperature of quench machining tool |
| CN111813058A (en) * | 2020-06-16 | 2020-10-23 | 佛山安可锚链有限公司 | Visual monitoring method and system for anchor chain production condition |
-
2013
- 2013-11-25 CN CN201310603740.XA patent/CN104651600A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105821189A (en) * | 2016-05-26 | 2016-08-03 | 淮南市宜留机械科技有限公司 | Automatic regulating device for heating temperature of quench machining tool |
| CN111813058A (en) * | 2020-06-16 | 2020-10-23 | 佛山安可锚链有限公司 | Visual monitoring method and system for anchor chain production condition |
| CN111813058B (en) * | 2020-06-16 | 2021-11-09 | 佛山安可锚链有限公司 | Visual monitoring method and system for anchor chain production condition |
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Application publication date: 20150527 |