CN113319123A - Novel roll surface temperature measuring device - Google Patents
Novel roll surface temperature measuring device Download PDFInfo
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- CN113319123A CN113319123A CN202110629857.XA CN202110629857A CN113319123A CN 113319123 A CN113319123 A CN 113319123A CN 202110629857 A CN202110629857 A CN 202110629857A CN 113319123 A CN113319123 A CN 113319123A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
- B21B38/006—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
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Abstract
The invention discloses a novel roller surface temperature measuring device, which comprises an upper shell and a lower shell which are fixedly connected through a buckle, wherein a main board is fixedly arranged in the lower shell, the upper end surface of the main board is respectively provided with a battery bin and a display screen, a temperature sensor is arranged between the battery bin and the display screen, the temperature sensor is positioned at the lower end surface of the main board, and a battery is arranged in the battery bin; the upper shell is provided with a display port, and the upper end of the display screen is clamped in the display port; the bottom of the lower shell is symmetrically provided with two soft magnetic strips, a temperature measuring hole is formed in the position, located between the two soft magnetic strips, of the bottom of the lower shell, and the lower end of the temperature sensor is located in the position of the temperature measuring hole. The invention can measure the surface temperature when the roller is off-line and ensure that the temperature measuring point position is always kept unchanged in the whole temperature measuring process.
Description
Technical Field
The invention relates to the field of roller temperature measurement, in particular to a novel roller surface temperature measurement device.
Background
In recent years, downstream customers have more severe requirements on the shape, flatness, outlet thickness and the like of strip steel produced by a steel mill, so that upstream steel coil manufacturers cannot stay under the existing rolling process, and the quality of the strip steel also determines the future market scale of the manufacturers. Therefore, optimization of the rolling process technology is imminent. In the rolling optimization setting process, the optimization of the roller is usually limited to the optimization of the conditions of front and back tension, rolling force, rolling reduction and the like which are convenient for sensor measurement or direct identification of a camera, and the optimization of the surface temperature of the roller is very rare.
The reason for this is that when the roll stand is in operation, the roll is always rotating at a high speed, and it is difficult to stably obtain the specific temperature at a certain point on the roll surface of the roll and the temperature diffused from the inside of the roll to the surface of the roll within a certain period of time. Therefore, the study of acquiring the surface temperature of the roll and establishing a temperature field based on these data is in a standstill. Today with such advanced temperature measuring devices, it is still not possible to measure the specific temperature of a certain point on the surface of an object at a high rotation speed with high accuracy, which also results in that the field personnel cannot obtain the target curve after inputting well given parameters. If the machine is stopped to measure the surface temperature of the roller, the machine is time-consuming and labor-consuming, and when the second group of data is measured, the consistency with the point position of the first group of data cannot be guaranteed. Under the requirement, the device for measuring the surface temperature when a roller is off-line and ensuring that the temperature measuring point is always kept unchanged in the whole temperature measuring process becomes more important.
Disclosure of Invention
The invention aims to provide a novel roller surface temperature measuring device, which is used for solving the problems in the prior art, can measure the surface temperature when a roller is off-line and ensures that the temperature measuring point position is always kept unchanged in the whole temperature measuring process.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a novel roller surface temperature measuring device, which comprises an upper shell and a lower shell which are fixedly connected through a buckle, wherein a main board is fixedly arranged in the lower shell, the upper end surface of the main board is respectively provided with a battery bin and a display screen, the display screen can display the desired content by calling a processed data module in a data processing chip, a temperature sensor is arranged between the battery bin and the display screen, the temperature sensor is positioned at the lower end surface of the main board, and a battery is arranged in the battery bin; the upper shell is provided with a display port, and the upper end of the display screen is clamped in the display port; the bottom of the lower shell is symmetrically provided with two soft magnetic strips, a temperature measuring hole is formed in the position, located between the two soft magnetic strips, of the bottom of the lower shell, and the lower end of the temperature sensor is located in the position of the temperature measuring hole. A plurality of temperature measuring devices are fixed on the roller positioning strip through soft magnetic strips, and the functional requirement of fixed point position temperature measurement is met.
Optionally, the side walls of the upper shell and the lower shell are equally provided with four symmetrical buckles, the buckles are provided with connecting holes, and the buckles of the upper shell and the lower shell are connected through the fixing buckles of the plum blossom nails in the connecting holes.
Optionally, the internal symmetry of inferior valve is provided with four mainboard stiff ends, four fixed orificess have been seted up to the symmetry on the mainboard, the mainboard passes through the fixed orifices mainboard stiff end after-fixing set up in it is internal under the shell.
Optionally, the mainboard is provided with a data processing chip and a signal transmission module which are electrically connected, the data processing chip is used for arranging, summarizing, storing and finally sending data obtained by measuring the temperature sensor to the user side through the 12WIFI signal transmission module, the signal transmission module adopts the WIFI signal transmission module, and the WIFI signal transmission module is used for sending the data to the user side after the data processing chip processes the measured data and selects the data to be transmitted through the button. The data can be automatically sent in a WIFI mode, two buttons are fixedly arranged at the position, close to the battery compartment, of the mainboard and are respectively electrically connected with the data processing chip and the display screen, the content displayed on the display screen can be switched, the user storage content in the functional data processing chip can be determined or deleted, two button holes are formed in the upper shell, and the button holes are formed in the upper portion of the button in a penetrating mode.
Optionally, a charging interface is arranged on one side of the main board, the charging interface is electrically connected with a battery in the battery bin, a charging hole is formed in the side wall of the lower shell, and the outer side of the charging interface is located at the position of the charging hole. The batteries in the battery compartment are thus used to power the device, either rechargeable or replaceable.
Optionally, a plurality of external interfaces are symmetrically and uniformly arranged on the side wall of the lower shell, the external interfaces are arranged at the external port of one side of the mainboard and used for connecting an external data line, data in the data processing chip is acquired by adopting a wired connection mode, and some new functions can be developed outside the device.
Compared with the prior art, the invention has the following technical effects:
the novel roller surface temperature measuring device provided by the invention can measure the surface temperature when the roller is off-line, and ensures that the temperature measuring point position is always kept unchanged in the whole temperature measuring process. Meanwhile, the wireless data transmission system has two data transmission modes, namely a wired data transmission mode and a wireless data transmission mode, the wireless data transmission mode can guarantee real-time performance of data transmission, and the wired data transmission mode can guarantee traceability of data.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a bottom view of the novel roller surface temperature measuring device of the present invention;
FIG. 2 is a top view of the lower housing of the novel roller surface temperature measuring device of the present invention;
FIG. 3 is a side view of the novel roller surface temperature measuring device of the present invention;
FIG. 4 is a top view of the upper housing of the novel roller surface temperature measuring device of the present invention;
FIG. 5 is a schematic structural diagram of a main board of the novel roller surface temperature measuring device of the present invention;
FIG. 6 is a bottom view of the main plate of the novel roller surface temperature measuring device of the present invention;
FIG. 7 is a schematic axial view of the whole of the novel roller surface temperature measuring device of the present invention;
description of reference numerals: 100. a novel roller surface temperature measuring device; 1. buckling; 2. soft magnetic strips; 3. a temperature measuring sensor; 4. a battery compartment; 5. a main board fixing end; 6. an external interface; 7. a charging interface; 8. a button; 9. a plum blossom nail; 10. a display screen; 11. a data processing chip; 12. a WIFI signal transmission module; 13. an upper housing; 14. a lower housing; 15. a main board; 16. and (4) temperature measuring holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a novel roller surface temperature measuring device, which is used for solving the problems in the prior art, can measure the surface temperature when a roller is off-line and ensures that the temperature measuring point position is always kept unchanged in the whole temperature measuring process.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Referring to fig. 1-7, the invention provides a novel roller surface temperature measuring device 100, which comprises an upper shell 13 and a lower shell 14, wherein the side walls of the upper shell 13 and the lower shell 14 are respectively provided with four symmetrical buckles 1, the buckles 1 are provided with connecting holes, the buckles 1 of the upper shell 13 and the lower shell 14 are fixedly buckled and connected through a quincuncial nail 9 in the connecting holes, a main board 15 is fixedly arranged in the lower shell 14, the upper end surface of the main board 15 is respectively provided with a battery compartment 4 and a display screen 10, the display screen 10 can display the desired content by calling a processed data module in a data processing chip, a temperature sensor 3 is arranged between the battery compartment 4 and the display screen 10, the temperature sensor 3 is positioned at the lower end surface of the main board 15, and a battery is arranged in the battery compartment 4; the upper shell 13 is provided with a display port, and the upper end of the display screen 10 is positioned at the position of the display port; two soft magnetic strips 2 are symmetrically arranged at the outer bottom of the lower shell 14, a temperature measuring hole 16 is formed in the position, located between the two soft magnetic strips 2, at the bottom of the lower shell 14, and the lower end of the temperature sensor 3 is located at the position of the temperature measuring hole 16. A plurality of temperature measuring devices are fixed on the roller positioning strip through the soft magnetic strip 2, and the functional requirement of fixed point position temperature measurement is met.
Specifically, lower casing 14 internal symmetry is provided with four mainboard stiff ends 5, and four fixed orificess have been seted up to the symmetry on mainboard 15, and mainboard 15 passes mainboard stiff end 5 after-fixing through the fixed orifices and sets up in lower casing 14. Be provided with the data processing chip 11 and the signal transmission module of electricity connection on the mainboard 15, data processing chip 11 is used for the data arrangement that obtains the temperature sensor measurement, gather, save, and finally send for the user end through 12WIFI signal transmission module, signal transmission module adopts WIFI signal transmission module 12, WIFI signal transmission module 12 is used for after data processing chip 11 has handled measured data, after selecting the data that need transmit through button 8, give the user end with data transmission. Also can set for under the WIFI mode, automatic data transmission, mainboard 15 is close to battery compartment 4's position department and fixedly is provided with two buttons 8, and two buttons 8 are connected with data processing chip 11 and display screen 10 electricity respectively for switch the content that shows above the display screen 10, and can confirm or delete the user memory content in the function data processing chip 11, have seted up two button holes on going up casing 13, wear to locate in the button hole above the button 8.
Preferably, mainboard 15 one side is provided with interface 7 that charges, and interface 7 that charges is connected with the battery electricity in the battery compartment 4, has seted up the hole of charging on the 14 lateral walls of lower casing, and the interface 7 outside that charges is located the hole position department of charging. The batteries in the battery compartment 4 are thus used to power the device, either rechargeable or replaceable. The side wall of the lower shell 14 is uniformly and symmetrically provided with a plurality of external interfaces 6, the external interfaces 6 are arranged at the external port on one side of the mainboard 15 and are used for connecting external data lines, data in the data processing chip is acquired by adopting a wired connection mode, and some new functions can be developed outside the device.
The circuit design on the PCB circuit board of the invention is as follows:
the mainboard consists of AS1360 linear voltage-stabilizing controller, MAX3232CDBR Ethernet transceiver driver, 24LC1025EEPROM, MSP430F427 data processing microcontroller, and two 25PPM clock sources.
1. AS1360 linear regulator controller, which stabilizes the current and voltage in the circuit, allows the voltage of the dc power to program the low voltage output when flowing.
2. The MAX3232CDBR Ethernet transceiver driver converts the short-distance electric signal into an optical signal capable of long-distance transmission through signal processing. The collected data can be transmitted to an upper computer.
3. And the 24LC1025EEPROM is an electrically erasable read-only memory used for storing data in an acquisition time range and providing convenience for subsequent data reading.
4. The MSP430F427 data-processing microcontroller for executing the established programs.
5. And 25PPM clock source for providing accurate clock source for the data processing microcontroller so as to generate accurate output frequency.
The programming part is as follows:
at the program entry, it is necessary to initialize the I/O interface (I/O interface) of the development board separately according to the selected external device state. The external components that need to be initialized are: the device comprises a temperature measuring sensor, an external interface, a display screen, a data processing chip and a WIFI signal transmission module; the internal components that need to be initialized are: clock frequency, watchdog, EEPROM memory, timer, serial communication mode, internal interrupt.
After the initialization is finished, the detection frequency of the watchdog is set, the integral clock frequency of the single chip microcomputer is set, the I/O (input/output interface) is enabled, and the serial port communication code rate is set.
Thereafter, the main program is written. The main program compiling idea is as follows: after a switch of the temperature measuring device is turned on, entering a device setting state, and if the device is not set, operating according to a set program; if special requirements are met, the setting can be manually carried out. After the setting is completed, the sensor enters a waiting state. After the device is mounted on the roller, the sensor detects a significant increase in temperature from before, and the temperature measuring device enters the working process. At this moment, the sensor records the measured data to the storage module after the data is processed by the chip, and if the wireless transmission mode is set, the data processing chip transmits the measured data to the formulated client in a fixed format through the WiFi signal transmission module. The device is taken off from the roller and then enters a 6-minute sleep countdown mode, if temperature measurement is needed at the stage, the device enters a temperature measurement state again, and if the temperature measurement is not needed any more, the device automatically sleeps.
The device operating interface is designed as follows:
1. "Addr": when the liquid crystal displays the 'Addr', pressing "←" enters a meter address setting interface, increasing the key address by pressing the '■' (the meter address can be set to 1-30), setting the address, pressing the "←" key, determining and storing the liquid crystal, and returning the liquid crystal to the 'Addr' display.
2. "bould": when the Addr is displayed on the liquid crystal display, the key ■ is pressed, the bAUd rate setting interface is entered, the bAUd is displayed on the liquid crystal display, the key = is pressed, the bAUd rate setting interface is entered, the currently set instrument bAUd rate is displayed for 2 seconds, and then the corresponding number is jumped to. Pressing the '■' key can select bAUd rate numbers 1-5 corresponding to 2400, 4800, 9600, 19200 and 38400 respectively, pressing the '←' key after setting, determining and storing, returning the liquid crystal to 'bAUd', and shipping setting to 9600.
3. "ZEro": the R0 value of the sensor is set, the key ■ circularly switches the first level menu, when the liquid crystal displays 'ZEro', the key "←" is pressed to enter the 'ZEro' setting, the current R0 setting value is displayed, the key ■ circularly increases, the setting value is saved by pressing the key "←", and the 'ZEro' value is well factory-set and does not need to be changed by a user.
4. "ADJC": the calibration method is used for calibrating the internal parameters of the instrument, and a low-temperature drift resistor of 100 omega is required to be connected during calibration, and the calibration is finished when the instrument leaves a factory.
5. "ADJ": for saving the calibrated value of "ADJC".
6. "STEP": the menu is used for setting the acquisition interval of the instrument, entering a setting interface by pressing a key of "←" when the liquid crystal displays "STEP", displaying the current sampling interval (unit: second), increasing the display value by pressing the key of "■", restarting from 1 after increasing to 60, saving the set value by pressing the key of "←" after setting, and returning to the page of "STEP". The sampling interval (1S-60S) can be set through the key, and the sampling interval (1S-360S) can be set through the serial port command.
7. "Tb-P": the method is used for setting a positive deviation value of the instrument and correcting the measured value of the instrument, the display value of the instrument plus the 'Tb-P' set value enters a setting interface by pressing a key of '←' and the '■' key modifies the set value (circularly displaying at 0.0-5.9 ℃). After setting, press key "←" to keep set value.
8. "Tb-n": setting the current display value to subtract the set value, pressing ■ key to change the set value from-0.0 deg.c to-5.9 deg.c circularly, and determining and storing the set value in the key of "going No. there is no need to change the set value.
The upper computer operation interface is designed as follows
1. And installing a 1.0 version program of the roller thermodetector, installing a USB-to-RS 232 serial port line driving program, and inserting a USB end into a computer.
2. After the main interface is opened each time, firstly clicking the menu 'setting' at the upper left corner, configuring a serial port, selecting an actual port, defaulting the baud rate to 9600, and setting the port following the instrument.
3. There are three functions of interacting with the meter: setting, clearing data and reading data. After the serial port is set, the operation of three functions can be carried out, the sequence is not arranged, the data before the data is cleared is completely cleared, and the prompt can be given in the status bar when the operation is successful
4. And after the Data is successfully read, displaying graphs and Data, displaying the total Data packet number and the currently read Data packet number in the reading process, turning off a green indicator light after the reading is finished, and storing the Data in a database file in a Data folder and an EXCEL table (named by time) in a record folder in a program directory. A series of operations can be carried out on the chart by clicking the right-click menu and the menu at the upper right corner of the chart, so that a user can conveniently view data.
Example 1
In this embodiment, based on the design of the temperature measuring device, when measuring the temperature of a roll with a length of 1420mm and a diameter of 475mm, it is determined that one temperature measuring device is placed every 100mm for this temperature measurement, 15 temperature measuring devices are needed in total, the measurement duration is 30 minutes, the temperature measuring device is initialized according to the determined data, a left button is pressed for 6 seconds, the temperature enters a first-level menu setting interface, and the order of the devices is set on an Addr interface. The "bould", "ZEro", "ADJC", "ADJ" interface maintains default factory settings. The "STEP" interface is set to 1, ensuring a measurement every second. And keeping the interfaces Tb-P and Tb-n unchanged by default, and ending the initialization of the temperature measuring device.
And then the temperature measuring device is placed on the surface of the roller of the just-down machine according to a set distance by using the soft magnetic strip 2. And when the temperatures measured by the temperature measuring sensor 3 before and after two times are greater than the set environment average temperature value, measuring the temperature and timing. At this time, the timer in the data processing chip 11 sends a pulse signal to the processor every 1000ms, and the processor records the value of the temperature measuring sensor at this time and stores the value in the memory. When the set temperature measuring time is reached, the device enters a dormant state after 6 minutes, the temperature measuring device can be taken down from the roller in the test and is connected to the external interface 6 through a Data line, Data in the measuring time can be read on a computer with a drive installed, after the Data are successfully read, graphic display and Data display are provided, the total Data packet number and the currently read Data packet number are displayed in the reading process, a green indicating lamp is turned off after the reading is completed, and the Data are stored in a database file in a Data folder under a program directory and an EXCEL table (named by time) in a record folder. Thus, the temperature measurement of the roller with the length of 1420mm and the diameter of 475mm is completed.
Example 2
When the roller with the length of 2030mm and the diameter of 475mm is subjected to temperature measurement, firstly, the fact that a temperature measuring device is placed every 100mm in the temperature measurement is determined, a total of 21 temperature measuring devices are needed, the measuring time is 30 minutes, then the temperature measuring device is initialized according to the determined data, the left button is pressed for 6 seconds, the first-level menu setting interface is entered, and the sequence of the devices is set on the Addr interface. The "bould", "ZEro", "ADJC", "ADJ" interface maintains default factory settings. The "STEP" interface is set to 1, ensuring a measurement every second. And keeping the interfaces Tb-P and Tb-n unchanged by default, and ending the initialization of the temperature measuring device.
And then the temperature measuring device is placed on the surface of the roller of the just-down machine according to a set distance by using the soft magnetic strip 2. And when the temperatures measured by the temperature measuring sensor 3 before and after two times are greater than the set environment average temperature value, measuring the temperature and timing. At this time, the timer in the data processing chip 11 sends a pulse signal to the processor every 1000ms, and the processor records the value of the temperature measuring sensor at this time and stores the value in the memory. When the set temperature measuring time is reached, the device enters a dormant state after 6 minutes, the temperature measuring device can be taken down from the roller in the test and is connected to the external interface 6 through a Data line, Data in the measuring time can be read on a computer with a drive installed, after the Data are successfully read, graphic display and Data display are provided, the total Data packet number and the currently read Data packet number are displayed in the reading process, a green indicating lamp is turned off after the reading is completed, and the Data are stored in a database file in a Data folder under a program directory and an EXCEL table (named by time) in a record folder. Thus, the temperature measurement of the roller with the length of 2030mm and the diameter of 475mm is completed.
In the description of the present invention, it should be noted that the terms "center", "top", "bottom", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (6)
1. The utility model provides a novel roll surface temperature measurement device which characterized in that: the battery box comprises an upper shell and a lower shell which are fixedly connected through a buckle, wherein a main board is fixedly arranged in the lower shell, the upper end surface of the main board is respectively provided with a battery compartment and a display screen, a temperature sensor is arranged between the battery compartment and the display screen, the temperature sensor is positioned at the lower end surface of the main board, and a battery is placed in the battery compartment; the upper shell is provided with a display port, and the upper end of the display screen is clamped in the display port; the bottom of the lower shell is symmetrically provided with two soft magnetic strips, a temperature measuring hole is formed in the position, located between the two soft magnetic strips, of the bottom of the lower shell, and the lower end of the temperature sensor is located in the position of the temperature measuring hole.
2. The novel roller surface temperature measuring device according to claim 1, characterized in that: the upper shell and the lower shell are equally divided into four symmetrical buckles on the side wall, connecting holes are formed in the buckles, and the buckles of the upper shell and the lower shell are fixedly buckled and connected through the plum blossom nails in the connecting holes.
3. The novel roller surface temperature measuring device according to claim 1, characterized in that: the internal symmetry of inferior valve is provided with four mainboard stiff ends, four fixed orificess have been seted up to the symmetry on the mainboard, the mainboard passes through the fixed orifices mainboard stiff end after-fixing set up in the inferior valve.
4. The novel roller surface temperature measuring device according to claim 1, characterized in that: the mainboard is provided with a data processing chip and a signal transmission module which are electrically connected, two buttons are fixedly arranged at the position of the mainboard close to the battery compartment, the two buttons are respectively electrically connected with the data processing chip and the display screen, two button holes are formed in the upper shell, and the button holes are penetrated and arranged above the buttons.
5. The novel roller surface temperature measuring device according to claim 1, characterized in that: mainboard one side is provided with the interface that charges, the interface that charges with battery electricity in the battery compartment is connected, the hole that charges has been seted up on the lower casing lateral wall, the interface outside that charges is located hole position department that charges.
6. The novel roller surface temperature measuring device according to claim 1, characterized in that: even symmetry is provided with a plurality of external interfaces on the inferior valve lateral wall, external interface sets up in the external port department of mainboard one side.
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