CN213579768U - Kiln non-contact infrared temperature measurement alarm monitoring system based on PLC - Google Patents
Kiln non-contact infrared temperature measurement alarm monitoring system based on PLC Download PDFInfo
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- CN213579768U CN213579768U CN202022521745.6U CN202022521745U CN213579768U CN 213579768 U CN213579768 U CN 213579768U CN 202022521745 U CN202022521745 U CN 202022521745U CN 213579768 U CN213579768 U CN 213579768U
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Abstract
The utility model provides a non-contact infrared temperature measurement alarm monitoring system for a kiln, which comprises an infrared temperature measurement alarm monitor based on a PLC, an infrared thermometer, a transmission mechanism, a gas control box, an electrical control box and a DCS system; the infrared thermometer is used for measuring the temperature of the kiln and is mechanically connected with the transmission mechanism, and the transmission mechanism is used for pushing the infrared thermometer into or withdrawing the kiln; the infrared thermometer is electrically connected with the electrical control box, the electrical control box is electrically connected with the gas control box, and the gas control box is electrically connected with the transmission mechanism; the electrical control box is also electrically connected with the infrared temperature measurement alarm monitor, and the infrared temperature measurement alarm monitor is also connected with the DCS through the industrial Ethernet. The system effectively improves the safety of the equipment.
Description
Technical Field
The utility model relates to a pyrometry alarm monitoring technical field, concretely relates to infrared temperature measurement alarm monitoring system of kiln non-contact based on PLC.
Background
In order to ensure the output and quality of the rotary kiln production line of a cement plant and reduce energy consumption to the maximum extent, the temperature of the kiln is required to be accurately monitored in real time. The traditional temperature measurement mode usually adopts a contact thermocouple with high price for temperature measurement. The thermocouple does not have the automatic withdrawing and pushing function, is often damaged under the working conditions of high temperature and material scouring for a long time, and can be damaged for days or even hours under serious conditions, so that the yield and the quality of cement are seriously influenced.
In addition, the traditional temperature measurement mode needs to convert signals obtained by thermocouple measurement and then display the signals on site, and the measurement mode has no alarm signal output, does not support data communication and cannot automatically control equipment.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model aims at providing a kiln non-contact infrared temperature measurement warning monitored control system based on PLC, improve equipment's security effectively.
A kiln non-contact infrared temperature measurement alarm monitoring system based on a PLC comprises an infrared temperature measurement alarm monitor based on the PLC, an infrared thermometer, a transmission mechanism, a gas control box, an electrical control box and a DCS system;
the infrared thermometer is used for measuring the temperature of the kiln and is mechanically connected with the transmission mechanism, and the transmission mechanism is used for pushing the infrared thermometer into or withdrawing the kiln; the infrared thermometer is electrically connected with the electrical control box, the electrical control box is electrically connected with the gas control box, and the gas control box is electrically connected with the transmission mechanism;
the electrical control box is also electrically connected with the infrared temperature measurement alarm monitor, and the infrared temperature measurement alarm monitor is also connected with the DCS through the industrial Ethernet.
Preferably, the infrared thermometer comprises a sensor, a protection barrel extender and a cable; the protection cylinder and the protection cylinder extender form a hollow inner cavity after being connected through a flange, the sensor and the cable are arranged in the hollow cavity, one end of the cable is connected with the output end of the sensor, and the other end of the cable penetrates out of the protection cylinder extender to be connected to the electrical control box.
Preferably, the protection cylinder is made of a high-temperature resistant titanium alloy material.
Preferably, the infrared temperature measurement alarm monitor comprises a communication module, a power module, an input module, an output module, a CPU board and a UPS power supply;
the input module, the output module, the communication module and the power module are respectively connected with the CPU mainboard, and the power module is connected with the UPS.
Preferably, the electrical control box comprises a switching power supply, a relay and a wiring terminal, and the switching power supply of the electrical control box is connected to a UPS power supply of the infrared temperature measurement alarm monitor; a relay of the electric control box is connected to an output module of the infrared temperature measurement alarm monitor; two ends of the wiring terminal are respectively connected to a cable output by the infrared thermometer and an input module of the infrared temperature measurement alarm monitor.
Preferably, the gas control box comprises a solenoid valve; the gas control box is connected to the relay of the electric control box through the electromagnetic valve.
Preferably, the transmission mechanism is a pneumatic actuating mechanism; the pneumatic actuating mechanism comprises an air cylinder, and the infrared thermometer is arranged on a piston rod of the air cylinder;
and an output module of the infrared temperature measurement alarm monitor drives a cylinder of the transmission mechanism to work through a relay of the electric control box and an electromagnetic valve of the gas control box.
Preferably, the DCS system is further configured to display a working state of the infrared thermometer and an alarm signal generated by the infrared temperature measurement alarm monitor.
Preferably, a CPU main board in the infrared temperature measurement alarm monitor comprises a PLC.
The utility model provides a kiln non-contact infrared temperature measurement alarm monitoring system based on PLC, the temperature data of real-time supervision kiln when infrared thermometer overtemperature or under-voltage abnormal conditions appear, withdraws from the kiln with infrared thermometer automatically to improve equipment's security effectively.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a block diagram of a non-contact infrared temperature measurement alarm monitoring system for a kiln according to an embodiment.
Fig. 2 is a schematic diagram of an infrared thermometer provided in an embodiment.
Fig. 3 is a block diagram of an infrared thermometry alarm monitor according to an embodiment.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
Example (b):
a kiln non-contact infrared temperature measurement alarm monitoring system based on PLC (programmable logic controller), referring to figure 1, comprises an infrared temperature measurement alarm monitor based on PLC, an infrared thermometer, a transmission mechanism, a gas control box, an electrical control box and a DCS (distributed control System);
the infrared thermometer is used for measuring the temperature of the kiln and is mechanically connected with the transmission mechanism, and the transmission mechanism is used for pushing the infrared thermometer into or withdrawing the kiln; the infrared thermometer is electrically connected with the electrical control box, the electrical control box is electrically connected with the gas control box, and the gas control box is electrically connected with the transmission mechanism;
the electrical control box is also electrically connected with the infrared temperature measurement alarm monitor, and the infrared temperature measurement alarm monitor is also connected with the DCS through the industrial Ethernet.
Specifically, the system adopts a transmission mechanism to push the infrared thermometer into the kiln, so that the infrared thermometer can detect the radiation energy of a specified position in the aimed kiln, the infrared thermometer can transmit the measured temperature to the infrared temperature measurement alarm monitor in a 4-20 mA signal, and meanwhile, the infrared temperature measurement alarm monitor also transmits the measured temperature to the DCS control system in an industrial Ethernet communication mode. When the infrared thermometer is in an overtemperature or under-pressure abnormal condition, the system automatically controls the transmission mechanism to withdraw the infrared thermometer from the kiln, so that the infrared thermometer is effectively prevented from being damaged, and continuous and stable operation of cement plant production is ensured.
The system monitors the temperature data of the kiln in real time, and automatically withdraws the infrared thermometer from the kiln when the infrared thermometer is in an overtemperature or under-voltage abnormal condition, thereby effectively improving the safety of equipment.
Referring to fig. 2, the infrared thermometer includes a sensor 3, a protection cylinder 2, a protection cylinder extender 1, and a cable; a hollow inner chamber is formed after a protection cylinder 2 and a protection cylinder extender 1 are connected through a flange 4, a sensor 3 and a cable are arranged in the hollow inner chamber, one end of the cable is connected with the output end of the sensor, and the other end of the cable penetrates out of the protection cylinder extender 1 to be connected to an electrical control box. Preferably, the protection cylinder 3 is made of a high-temperature resistant titanium alloy material.
Specifically, the protection cylinder is made of special stainless steel materials, such as high-temperature resistant titanium alloy materials. The cable is also a high temperature resistant composite cable. The sensor receives the radiation energy of the measured body to carry out non-contact temperature measurement. The sensor of the infrared thermometer can quickly respond and process the temperature information of the measured object, output a general or special electric signal, can accurately measure the temperature of the measured object in a very short time, and is particularly suitable for temperature detection of objects which are difficult to contact or move. In addition, the protection cylinder and the protection cylinder extender can also adopt a double-layer air cooling design, so that the long-term reliable operation of the infrared thermometer in severe environments such as high temperature, positive pressure, super-strong dust and the like is ensured.
Referring to fig. 3, the infrared temperature measurement alarm monitor includes a communication module, a power module, an input module, an output module, a CPU board, and a UPS power supply;
the input module, the output module, the communication module and the power module are respectively connected with the CPU mainboard, and the power module is connected with the UPS. Preferably, a CPU main board in the infrared temperature measurement alarm monitor comprises a PLC.
Specifically, the CPU motherboard may employ S7-1500 of Siemens. The input module comprises a digital input module and an analog input module, the output module comprises a digital output module and an analog output module, the communication module can adopt an Ethernet module, and the power supply module can adopt a special power supply or a power supply adapter.
Preferably, the electrical control box comprises a switching power supply, a relay and a wiring terminal, and the switching power supply of the electrical control box is connected to a UPS power supply of the infrared temperature measurement alarm monitor; a relay of the electric control box is connected to an output module of the infrared temperature measurement alarm monitor; two ends of the wiring terminal are respectively connected to a cable output by the infrared thermometer and an input module of the infrared temperature measurement alarm monitor.
Preferably, the gas control box comprises a solenoid valve; the gas control box is connected to the relay of the electric control box through the electromagnetic valve.
Preferably, the transmission mechanism is a pneumatic actuating mechanism; the pneumatic actuating mechanism comprises an air cylinder, and the infrared thermometer is arranged on a piston rod of the air cylinder;
and an output module of the infrared temperature measurement alarm monitor drives a cylinder of the transmission mechanism to work through a relay of the electric control box and an electromagnetic valve of the gas control box.
Specifically, the temperature detected by the infrared thermometer is received by the electrical control box and then transmitted to the input module of the infrared temperature measurement alarm monitor. When the system is applied, the output module of the infrared temperature measurement alarm monitor can drive the transmission mechanism through the relay and the electromagnetic valve, so that the on/off of gas in the cylinder is controlled, and the infrared temperature measurement instrument is pushed into or withdrawn from the kiln. The infrared thermometer pushing-in and withdrawing-out in-place signals can be transmitted to an input module of the infrared temperature measurement alarm monitor.
Preferably, the DCS system is further configured to display a working state of the infrared thermometer and an alarm signal generated by the infrared temperature measurement alarm monitor.
Specifically, in the system, the infrared temperature measurement alarm monitor can also transmit an alarm signal to the DCS through the industrial Ethernet, so that the output of the alarm signal is realized, and the DCS can also display the working state, the alarm signal and the like of the infrared temperature measurement instrument.
In order to ensure continuous and stable operation of a cement plant under high yield and high quality, the temperature of the kiln is accurately measured, and meanwhile, the safe operation of the whole set of equipment is ensured. In the system, an infrared thermometer monitors the temperature of the kiln in real time, and the system has multiple automatic protection functions. When the system has the abnormal conditions of over-temperature or under-pressure of the infrared thermometer, the automatic control transmission mechanism withdraws the temperature measuring probe from the kiln. When the system is suddenly powered off, the UPS power supply is automatically switched to supply power to the system, so that the whole system is ensured to continuously and stably operate. The whole system is simple and compact, reliable in performance, good in using effect, capable of monitoring in real time, free of extra post workers, capable of saving a large amount of manpower, capable of effectively preventing temperature measuring equipment from being damaged, and capable of ensuring safe and stable production of cement plants.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (9)
1. A kiln non-contact infrared temperature measurement alarm monitoring system based on a PLC is characterized by comprising an infrared temperature measurement alarm monitor based on the PLC, an infrared thermometer, a transmission mechanism, a gas control box, an electrical control box and a DCS;
the infrared thermometer is used for measuring the temperature of the kiln and is mechanically connected with the transmission mechanism, and the transmission mechanism is used for pushing the infrared thermometer into or withdrawing the kiln; the infrared thermometer is electrically connected with the electrical control box, the electrical control box is electrically connected with the gas control box, and the gas control box is electrically connected with the transmission mechanism;
the electrical control box is also electrically connected with the infrared temperature measurement alarm monitor, and the infrared temperature measurement alarm monitor is also connected with the DCS through the industrial Ethernet.
2. The PLC-based kiln non-contact infrared temperature measurement alarm monitoring system according to claim 1,
the infrared thermometer comprises a sensor, a protection barrel extender and a cable; the protection cylinder and the protection cylinder extender form a hollow inner cavity after being connected through a flange, the sensor and the cable are arranged in the hollow cavity, one end of the cable is connected with the output end of the sensor, and the other end of the cable penetrates out of the protection cylinder extender to be connected to the electrical control box.
3. The PLC-based kiln non-contact infrared temperature measurement alarm monitoring system according to claim 2,
the protection cylinder is made of high-temperature-resistant titanium alloy materials.
4. The PLC-based kiln non-contact infrared temperature measurement alarm monitoring system as claimed in claim 3,
the infrared temperature measurement alarm monitor comprises a communication module, a power module, an input module, an output module, a CPU mainboard and a UPS power supply;
the input module, the output module, the communication module and the power module are respectively connected with the CPU mainboard, and the power module is connected with the UPS.
5. The PLC-based kiln non-contact infrared temperature measurement alarm monitoring system according to claim 4,
the electric control box comprises a switching power supply, a relay and a wiring terminal, and the switching power supply of the electric control box is connected to a UPS power supply of the infrared temperature measurement alarm monitor; a relay of the electric control box is connected to an output module of the infrared temperature measurement alarm monitor; two ends of the wiring terminal are respectively connected to a cable output by the infrared thermometer and an input module of the infrared temperature measurement alarm monitor.
6. The PLC-based kiln non-contact infrared temperature measurement alarm monitoring system as claimed in claim 5,
the gas control box comprises an electromagnetic valve; the gas control box is connected to the relay of the electric control box through the electromagnetic valve.
7. The PLC-based kiln non-contact infrared temperature measurement alarm monitoring system according to claim 6,
the transmission mechanism is a pneumatic actuating mechanism; the pneumatic actuating mechanism comprises an air cylinder, and the infrared thermometer is arranged on a piston rod of the air cylinder;
and an output module of the infrared temperature measurement alarm monitor drives a cylinder of the transmission mechanism to work through a relay of the electric control box and an electromagnetic valve of the gas control box.
8. The PLC-based kiln non-contact infrared temperature measurement alarm monitoring system according to claim 1,
the DCS is also used for displaying the working state of the infrared thermometer and the alarm signal generated by the infrared temperature measurement alarm monitor.
9. The PLC-based kiln non-contact infrared temperature measurement alarm monitoring system according to claim 1,
and a CPU mainboard in the infrared temperature measurement alarm monitor comprises a PLC.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022521745.6U CN213579768U (en) | 2020-11-04 | 2020-11-04 | Kiln non-contact infrared temperature measurement alarm monitoring system based on PLC |
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| CN202022521745.6U CN213579768U (en) | 2020-11-04 | 2020-11-04 | Kiln non-contact infrared temperature measurement alarm monitoring system based on PLC |
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| CN213579768U true CN213579768U (en) | 2021-06-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113125020A (en) * | 2021-04-21 | 2021-07-16 | 刘建松 | Anti-blocking type infrared thermometer |
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- 2020-11-04 CN CN202022521745.6U patent/CN213579768U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113125020A (en) * | 2021-04-21 | 2021-07-16 | 刘建松 | Anti-blocking type infrared thermometer |
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Effective date of registration: 20220513 Address after: 100000 room 1201, Ganjiakou building, No. 17, Sanlihe Road, Haidian District, Beijing Patentee after: Sinoma overseas technology development Co.,Ltd. Address before: 100037 floor 12, No.17, Sanlihe Road, Haidian District, Beijing Patentee before: SINOMA OVERSEAS DEVELOPMENT CO.,LTD. |