CN105823567B - Portable digital spindle itinerant thermometer - Google Patents
Portable digital spindle itinerant thermometer Download PDFInfo
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- CN105823567B CN105823567B CN201610294058.0A CN201610294058A CN105823567B CN 105823567 B CN105823567 B CN 105823567B CN 201610294058 A CN201610294058 A CN 201610294058A CN 105823567 B CN105823567 B CN 105823567B
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Abstract
A portable digital spindle itinerant thermometer belongs to the special thermometer which applies digital temperature sensor, adjustable sensor pressure, automatic centering and clamping of sensor and single chip microcomputer technology to the technical field of spindle temperature measurement in the textile machinery special part manufacturing industry. The portable digital spindle itinerant thermometer consists of a sensor self-centering clamping part, a digital temperature sensor and a sensor pressure adjustable part, a singlechip data acquisition module and an OLED data display module. The portable digital spindle itinerant thermometer adopts a modularized design, is simple in structure, small and exquisite and portable, adopts a digital temperature sensor and a contact type measurement mode, and is not only suitable for measuring the ambient temperature and the temperature of a single spindle, but also suitable for itinerant measurement of the temperature of a multipoint spindle, real-time measurement of the temperature rise of the measured environment and the measured spindle. In order to quantitatively evaluate the design and manufacturing level of spindles, a cotton mill uses the spindle management level, and reliable temperature rise performance parameter measurement and evaluation equipment is provided.
Description
Technical Field
The invention belongs to the textile machinery special part manufacturing industry, and discloses a special thermometer which applies digital temperature sensors, adjustable sensor pressure, automatic centering and clamping of the sensors and a singlechip technology to the technical field of spindle temperature measurement, and the special thermometer is a portable digital spindle itinerant thermometer.
Background
The spindle is a special piece of a textile machine rotating at a high speed on a spinning frame in the textile industry, the domestic spindle speed is generally between 16000rpm and 22000rpm, and the high-speed spindle reaches 25000rpm. Hundreds of millions of spindles are operated nationwide. One of the important indexes for evaluating the manufacturing quality of the spindle is the temperature rise of the spindle. The good spindle runs stably and the temperature rise is not high; the spindle with poor quality is manufactured, the operation is unstable, the temperature rise is higher, the consumption of spindle lubricating oil is increased due to the higher temperature rise, the spindle oil changing period is shortened, and the operation cost of a yarn factory is increased.
In the actual operation of the spindle, the oil filling quantity is inaccurate or the individual difference is large due to the design defect of the oil filling equipment, so that the oil filling period of a small number of spindles is inconsistent with that of a machine, the oil level of the spindles is too low, and the spindles work in an oil shortage state. The oil shortage spindle can lead to the temperature rise of the spindle, and the temperature rise of the spindle can also reversely accelerate the oil shortage of the spindle, and finally lead to the failure of the spindle.
Currently, no special spindle thermometer exists in the market, and spindle manufacturers and factories usually evaluate the spindle thermometer by adopting a hand feeling method; in recent years, an infrared thermometer is also used for measuring the surface temperature of the spindle.
The hand feeling evaluation method has the advantages of simplicity, easiness, zero cost and obvious defects, is dependent on the experience of a measurer, is a qualitative sense, cannot be accurately and quantitatively expressed, and is even rough.
In recent years, a general infrared thermometer is also used for spindle temperature test. The advantages are quick digital display and measurement, but because of non-contact measurement, the device is easily interfered by various heat sources, light sources and radio frequency radiation, and is greatly influenced by environmental dust, humidity, fly, cotton wool attached to the surface of a spindle and the surface quality of a measured object in a cotton spinning factory, the same measuring point has large measurement repeatability fluctuation, and the nominal temperature error is about +/-2 ℃ under the condition of room temperature, so that the measurement error is large.
Disclosure of Invention
The invention aims to fill the blank that the textile industry does not have special spindle temperature measuring equipment and overcome various defects of the existing general temperature measuring equipment, and provides a special portable digital spindle itinerary thermometer which applies digital temperature sensors, sensor pressure adjustable, automatic centering clamping of the sensors and single chip microcomputer technology to the technical field of spindle temperature measurement so as to meet the functional requirements of high measurement stability and repeatability precision, portability, easy operation, high efficiency, accuracy, real-time and scientific implementation of spindle multipoint itinerary temperature measurement.
The purpose of the invention is realized in the following way: a portable digital spindle itinerant thermometer comprising: the automatic centering clamping part of the sensor, the adjustable part of digital temperature sensor and sensor pressure, singlechip data acquisition module and OLED data display module part, wherein:
the automatic centering and clamping part of the sensor is characterized in that two fixed sheets are clamped on the V-shaped surface of the V-shaped body through screws, the middle part of the V-shaped body is provided with a positioning sleeve, the two V-shaped clamping blocks are clamped on the two handles through screws, the front parts of the two handles are arranged in grooves on the two sides of the V-shaped body through pin shafts and check rings, the middle parts of the two handles are respectively provided with two spring positioning pins, clamping springs are arranged between the spring positioning pins and the inner walls of the grooves on the two sides of the V-shaped body, under the action of the two clamping springs, the two handles and the two V-shaped clamping blocks connected with the two handles can rotate around the pin shafts along the grooves on the two sides of the V-shaped body, and the two V-shaped clamping blocks and the two fixed sheets clamped on the V-shaped surface of the V-shaped body can automatically center and clamp the digital spindle temperature sensor on the axis of a tested spindle.
The digital temperature sensor and the sensor pressure adjustable part are connected with the digital temperature sensor connector plug of the spindle through a data wire, the data wire can axially move in a hole of an adjusting screw, a spring is arranged between the adjusting screw and the digital temperature sensor of the spindle, the adjusting screw is locked on the end face of the V-shaped body through a nut, the digital temperature sensor of the spindle is tightly pressed on the surface of the spindle to be measured along a positioning sleeve under the action of the spring, and the pressure between the digital temperature sensor of the spindle and the spindle to be measured can be adjusted through the adjusting screw, the nut and the spring.
The singlechip data acquisition module and the OLED data display module are composed of an upper instrument box shell and a lower instrument box shell.
The instrument box is characterized in that a singlechip data acquisition module, an OLED data display module, an environment digital temperature sensor connecting seat, an environment digital temperature sensor, a spindle digital temperature sensor connector socket and a spindle digital temperature sensor connector plug are arranged on a lower shell of the instrument box, the spindle digital temperature sensor is connected to an I/O port of the singlechip data acquisition module through a data wire, the spindle digital temperature sensor connector plug and the spindle digital temperature sensor connector socket, and a power switch button, a power lamp and a menu setting button are arranged on the singlechip data acquisition module.
The utility model discloses a portable electronic device, including instrument box, V type body, power switch button, menu setting button window, instrument box upper housing, instrument box lower housing, OLED data display module, power switch button, power lamp, menu setting button window are opened on the instrument box upper housing, the instrument box upper housing is connected with instrument box lower housing, instrument box lower housing passes through the connecting block to be fixed on V type body.
The single chip microcomputer data acquisition module and the OLED data display module are characterized in that an environment digital temperature sensor and each point spindle digital temperature sensor are distributed to a P0 port of the single chip microcomputer through data wires, 8 digital temperature sensors can be hung on each line of the P0 port, 64 digital temperature sensors can be hung on the P0 port, other ports can be expanded as required, and the number of measurement points of the portable digital spindle itinerant thermometer is increased.
The singlechip P1 port is connected with the OLED data display module through an SPI serial bus, and the singlechip P1 port is used for transmitting the real-time dynamically acquired ambient temperature, the position codes of the spindle digital temperature sensors of each point and the corresponding spindle temperature to the OLED data display module for display.
The single chip microcomputer data acquisition module and the OLED data display module are connected with the single chip microcomputer P2.0 port and the menu setting button, the screen display time of the OLED data display module is selected and set through the menu setting button, and the position codes of the spindle digital temperature sensors of each point are set.
The beneficial effects of the invention are as follows: the digital temperature sensor is adopted, the sensor is automatically centered, the pressure of the sensor can be adjusted, the measuring precision is better than that of the non-contact measuring mode; the resolution of the digital temperature sensor can reach 0.0625 ℃, the temperature value is converted into 9-bit or 12-bit digital quantity within 93.75ms or 750ms, and the measurement accuracy and the measurement efficiency are high; the digital temperature sensor is provided with a 64-bit serial number code, supports a multi-point networking function, and can realize that a plurality of digital temperature sensors are hung on a bus; the device is small and portable, is suitable for measuring the ambient temperature and the single spindle temperature, and is also suitable for the round measurement of the multi-point spindle temperature, the measured environment and the temperature rise real-time measurement of the measured spindle; the device overcomes various defects of the conventional general temperature measuring device, fills the blank that the textile industry does not have special spindle temperature measuring devices, and provides reliable temperature rise performance parameter measuring and evaluating devices for improving and quantitatively evaluating spindle design and manufacturing level and using spindle management level in cotton spinning factories.
Drawings
In order to more clearly describe the technical solution of the embodiments of the present invention, the following description briefly describes the drawings in the embodiments of the present invention.
FIG. 1 is an assembly schematic of a portable digital spindle traveling thermometer according to an embodiment of the present invention.
FIG. 2 is a cross-sectional view of the sensor self-centering clip portion, digital temperature sensor and sensor pressure adjustable portion A-A of FIG. 1.
Fig. 3 is a view in the direction K of fig. 1.
FIG. 4 is a system block diagram of a singlechip data acquisition module and an OLED data display module
FIG. 5 is a flow chart of data collection
Detailed Description
The technical solutions in the embodiments of the present invention are further described below with reference to the accompanying drawings in the embodiments of the present invention.
The invention provides a special portable digital spindle itinerant thermometer which applies a digital temperature sensor, adjustable sensor pressure, automatic centering clamping of the sensor and a singlechip technology to the technical field of spindle temperature measurement so as to meet the functional requirements of high measurement stability and repeatability precision, portability, easy operation, high efficiency, accuracy, real-time and scientific implementation of spindle multipoint itinerant temperature measurement.
A simplified assembly of a portable digital spindle itinerant thermometer is shown in fig. 1, described in part by the following:
the automatic centering clamping part of the sensor, the adjustable part of digital temperature sensor and sensor pressure, singlechip data acquisition module and OLED data display module part, wherein:
in combination with the assembly sketch of the portable digital spindle itinerant thermometer shown in fig. 1 and the sectional view of the sensor self-centering clamping part in fig. 1 shown in fig. 2, the digital temperature sensor and the sensor pressure adjustable part A-A of the sensor self-centering clamping part, two fixing pieces 04 are clamped on the V-shaped surface of the V-shaped body 01 through screws 10, a positioning sleeve 05 is arranged in the middle of the V-shaped body 01, two V-shaped clamping pieces 03 are clamped on the two handles 02 through screws 11, the front parts of the two handles 02 are arranged in two side grooves of the V-shaped body 01 through pin shafts 08 and check rings 09, two spring positioning pins 07 are respectively arranged in the middle parts of the two handles 02, clamping springs 06 are arranged between the spring positioning pins 07 and the inner walls of the two side grooves of the V-shaped body 01, under the action of the two side clamping springs 06, the two handles 02 and the two V-shaped clamping pieces 03 connected with the two handles 03 can rotate around the pin shafts 08 along the two side grooves of the V-shaped body 01, and the two automatic fixing pieces 04 on the V-shaped surface of the V-shaped body 01 clamp the two handles 03 so that the digital spindle temperature sensor 23 can be centered on the spindle 27.
In combination with the assembly sketch of the portable digital spindle itinerant thermometer shown in fig. 1 and the cross section of the automatic centering and clamping part of the sensor shown in fig. 1 and the cross section of the digital temperature sensor and the pressure adjustable part A-A of the sensor shown in fig. 2, the digital temperature sensor 23 of the digital spindle itinerant thermometer is connected with the connector plug 21 of the digital spindle itinerant sensor through a data wire 28, the data wire 28 can axially move in a hole of an adjusting screw 25, a spring 16 is arranged between the adjusting screw 25 and the digital temperature sensor 23 of the spindle, the adjusting screw 25 is locked on the end face of the V-shaped body 01 through a nut 24, the digital temperature sensor 23 of the spindle is pressed on the surface of the spindle 27 to be measured along a positioning sleeve 05 under the action of the spring 16, and the pressure between the digital temperature sensor 23 of the spindle and the spindle 27 to be measured can be adjusted through the adjusting screw 25, the nut 24 and the spring 16.
The single chip microcomputer data acquisition module and the OLED data display module are composed of an upper instrument box shell and a lower instrument box shell in combination with the assembly sketch of the portable digital spindle itinerant thermometer shown in FIG. 1 and the K-direction view in FIG. 1 shown in FIG. 3.
The instrument box lower shell 13 is provided with a singlechip data acquisition module 22, an OLED data display module 17, an environment digital temperature sensor connecting seat 18, an environment digital temperature sensor 19, a spindle digital temperature sensor connector socket 20 and a spindle digital temperature sensor connector plug 21, the spindle digital temperature sensor 23 is connected to an I/O port of the singlechip data acquisition module 22 through a data wire 28, the spindle digital temperature sensor connector plug 21 and the spindle digital temperature sensor connector socket 20, and the singlechip data acquisition module 22 is provided with a power switch button 14, a power lamp 29 and a menu setting button 15.
The upper instrument box shell 12 is provided with an OLED data display module 17, a power switch button 14, a power lamp 29 and a menu setting button 15 window, the upper instrument box shell 12 is connected with the lower instrument box shell 13, and the lower instrument box shell 13 is fixed on the V-shaped body 01 through a connecting block 26.
The portable digital spindle itinerant thermometer is combined with an assembly sketch shown in fig. 1, an automatic centering clamping part of the sensor in fig. 1 shown in fig. 2, a cross section view of a digital temperature sensor and a sensor pressure adjustable part A-A shown in fig. 3, a single chip microcomputer data acquisition module and an OLED data display module system block diagram shown in fig. 4, wherein the single chip microcomputer data acquisition module and the OLED data display module part are respectively provided with an environment digital temperature sensor 19 and each point spindle digital temperature sensor 23, a single chip microcomputer P0 port is distributed through a data line 28, 8 digital temperature sensors can be hung on each line of the P0 port, 64 digital temperature sensors can be hung on the P0 port, other ports can be expanded according to requirements, and the number of measurement points of the portable digital spindle itinerant thermometer is increased.
The singlechip P1 port is connected with the OLED data display module through an SPI serial bus, and the singlechip P1 port is used for transmitting the real-time dynamically acquired ambient temperature, the position codes of the spindle digital temperature sensors of each point and the corresponding spindle temperature to the OLED data display module for display.
The singlechip P2.0 port is connected with the menu setting button 15, the screen display time of the OLED data display module 17 is selected and set through the menu setting button 15, and the position codes of the spindle digital temperature sensors 23 of each point are set.
In combination with the system block diagram of the singlechip data acquisition module and the OLED data display module shown in fig. 4, the data acquisition flow chart shown in fig. 5 is described as follows:
when the work starts, the IAP15L2K61S2 singlechip is powered on and initialized, and a port is allocated and the system is reset.
Port allocation: p1 mouth SPI serial ports-OLED display module, P0 mouth-DS 18B20 digital temperature sensor, P2 mouth a menu setting button, DS18B20 initialization, OLED initialization.
The loop call subroutine reads the DS18B20 sequence number and determines whether the DS18B20 sequence number exists.
Judging whether the interruption of the menu setting subroutine occurs or not, if the menu setting button 15 is pressed, calling the menu setting subroutine, setting the position code corresponding to the DS18B20 serial number, and returning the interruption.
Judging whether the menu setting subroutine is interrupted, if the menu setting button 15 is pressed, calling a screen display time subroutine of the OLED data display module, setting the screen display time, and preselecting the screen display time from a few minutes to continuous display.
The byte writing subroutine is circularly called to send a DS18B20 position code, the DS18B20 temperature conversion corresponding to the position code judges whether the temperature value of an I position code sensor is less than 120 ℃, if yes, the OLED displays: if the determination is true, the OLED display subroutine is called to display the current DS18B20 position code and temperature value.
Judging whether all n DS18B20 are processed, if yes, pointing to the next DS18B20, I=I+1, returning to the loop call writing byte subroutine to send one DS18B20 position code, if true, resetting the DS18B20, and returning to the beginning.
To sum up: a portable digital spindle itinerant thermometer is composed of a sensor self-centering clamping part, a digital temperature sensor and a sensor pressure adjustable part, a singlechip data acquisition module and an OLED data display module.
The portable digital spindle itinerant thermometer adopts a modularized design, has a simple structure, adopts a digital temperature sensor, is automatically centered, is adjustable in sensor pressure, adopts a contact type measurement mode, has a resolution of 0.0625 ℃, is provided with a 64-bit serial number code, supports a multi-point networking function, can realize a plurality of digital temperature sensors hung on one bus, and realizes multi-point temperature itinerant measurement. The measuring precision is superior to that of a non-contact mode, the measuring efficiency is higher, the service life is long, and the functional requirements of high measuring stability and repeatability precision, portability, easy operation, high efficiency, accuracy, real-time and scientific implementation of spindle multipoint tour temperature measurement are met.
The portable digital spindle itinerant thermometer is small and portable, and is suitable for measuring the ambient temperature and the single spindle temperature, and is also suitable for itinerant measurement of the multi-point spindle temperature, the measured environment and the temperature rise of the measured spindle in real time. The device overcomes various defects of the conventional general temperature measuring device, fills the blank that the textile industry does not have special spindle temperature measuring devices, and provides reliable temperature rise performance parameter measuring and evaluating devices for improving and quantitatively evaluating spindle design and manufacturing level and using spindle management level in cotton spinning factories. If the automatic centering and clamping part of the sensor is slightly changed, the sensor can be suitable for temperature measurement of similar mechanical products.
Claims (4)
1. A portable digital spindle itinerant thermometer, comprising: the automatic centering clamping part of the sensor, the adjustable part of digital temperature sensor and sensor pressure, singlechip data acquisition module and OLED data display module part, wherein:
the automatic centering and clamping part of the sensor is characterized in that two fixed sheets are clamped on the V-shaped surface of the V-shaped body through screws, the middle part of the V-shaped body is provided with a positioning sleeve, the two V-shaped clamping blocks are clamped on the two handles through screws, the front parts of the two handles are arranged in grooves on the two sides of the V-shaped body through pin shafts and check rings, the middle parts of the two handles are respectively provided with two spring positioning pins, clamping springs are arranged between the spring positioning pins and the inner walls of the grooves on the two sides of the V-shaped body, and under the action of the two clamping springs, the two handles and the two V-shaped clamping blocks connected with the two handles can rotate around the pin shafts along the grooves on the two sides of the V-shaped body, and the two V-shaped clamping blocks and the two fixed sheets clamped on the V-shaped surface of the V-shaped body automatically center and clamp the digital spindle sensor on the axis of a tested spindle;
the digital temperature sensor and the sensor pressure adjustable part are connected with the digital temperature sensor connector plug of the spindle through a data wire, the data wire can axially move in a hole of an adjusting screw, a spring is arranged between the adjusting screw and the digital temperature sensor of the spindle, the adjusting screw is locked on the end face of the V-shaped body through a nut, the digital temperature sensor of the spindle is tightly pressed on the surface of the spindle to be measured along a positioning sleeve under the action of the spring, and the pressure between the digital temperature sensor of the spindle and the spindle to be measured can be adjusted through the adjusting screw, the nut and the spring;
the singlechip data acquisition module and the OLED data display module part are composed of an upper instrument box shell and a lower instrument box shell, wherein:
the lower shell of the instrument box is provided with a singlechip data acquisition module, an OLED data display module, an environment digital temperature sensor connecting seat, an environment digital temperature sensor, a spindle digital temperature sensor connector socket and a spindle digital temperature sensor connector plug, the spindle digital temperature sensor is connected to an I/O port of the singlechip data acquisition module through a data wire, the spindle digital temperature sensor connector plug and the spindle digital temperature sensor connector socket, and the singlechip data acquisition module is provided with a power switch button, a power lamp and a menu setting button;
the utility model discloses a portable electronic device, including instrument box, V type body, power switch button, menu setting button window, instrument box upper housing, instrument box lower housing, OLED data display module, power switch button, power lamp, menu setting button window are opened on the instrument box upper housing, the instrument box upper housing is connected with instrument box lower housing, instrument box lower housing passes through the connecting block to be fixed on V type body.
2. The portable digital spindle itinerant thermometer according to claim 1, wherein the single-chip microcomputer data acquisition module and the OLED data display module are configured to distribute the environmental digital temperature sensor and the digital temperature sensors of each spindle through a data line, 8 digital temperature sensors can be connected to each line of the P0 ports, 64 digital temperature sensors can be connected to each line of the P0 ports, and other ports can be expanded as needed to increase the number of measurement points of the portable digital spindle itinerant thermometer.
3. The portable digital spindle itinerant thermometer according to claim 1, wherein the singlechip data acquisition module and the OLED data display module are connected with the OLED data display module through an SPI serial bus at a port P1, and the real-time and dynamic acquired ambient temperature, the position codes of the spindle digital temperature sensors at each point and the corresponding spindle temperature are sent to the OLED data display module for display.
4. The portable digital spindle itinerant thermometer according to claim 1, wherein the single-chip microcomputer data acquisition module and the OLED data display module are connected with a menu setting button, the display time of the OLED data display module is selected and set through the menu setting button, and the position codes of the digital temperature sensors of each spindle are set.
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202195893U (en) * | 2011-07-26 | 2012-04-18 | 江苏亚奥科技有限公司 | Multi-point temperature measuring instrument |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2337543Y (en) * | 1997-03-18 | 1999-09-08 | 西北工业大学 | Portable multifunctional high-precision thermometer |
| EP1148323A3 (en) * | 2000-04-17 | 2004-02-25 | Murata Kikai Kabushiki Kaisha | Temperature detecting device and method for running yarn |
| CN201340307Y (en) * | 2009-01-13 | 2009-11-04 | 南京腾迈科技有限公司 | Electronic temperature measuring device of portable oil tank |
| CN101963517B (en) * | 2010-08-13 | 2012-06-13 | 东华大学 | High-grade spinning spindle oriented dynamic performance test system |
| CN205562057U (en) * | 2016-04-28 | 2016-09-07 | 河南二纺机股份有限公司 | Thermoscope is gone rounds to portable digital spindle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202195893U (en) * | 2011-07-26 | 2012-04-18 | 江苏亚奥科技有限公司 | Multi-point temperature measuring instrument |
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