CN101852653B - Device and method for measuring working temperature of bearing - Google Patents
Device and method for measuring working temperature of bearing Download PDFInfo
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- CN101852653B CN101852653B CN 201010176292 CN201010176292A CN101852653B CN 101852653 B CN101852653 B CN 101852653B CN 201010176292 CN201010176292 CN 201010176292 CN 201010176292 A CN201010176292 A CN 201010176292A CN 101852653 B CN101852653 B CN 101852653B
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Abstract
The invention relates to a device and a method for measuring the working temperature of a bearing. The device comprises a temperature-measuring and recording system and a temperature data reading and displaying system, wherein the temperature-measuring and recording system consists of a temperature-sensing detector, a temperature-measuring controller, a centrifugal force switch or a rotating speed switch, a linear voltage regulator or a power management chip, a data storage chip and an insulating material; the temperature data reading and displaying system consists of a communication interface and a computer; the working temperature is measured on line and recorded through the temperature-measuring and recording system; the temperature data is read and stored after the measurement; and the measured temperature data can be displayed through the temperature data reading and displaying system. The device has the advantages of capability of guaranteeing that the working temperature of the bearing is measured accurately and effectively, small volume, easy installation, low power consumption and capability of measuring for a long time in the working environment of the high-speed bearing.
Description
Technical field
The present invention relates to a kind of temperature measuring equipment and measuring method, be specifically related to a kind of temperature measuring equipment and measuring method of bearing working temperature.
Background technology
In industrial circle, there are in a large number engine and other rotary machine, the ruuning situation that these are mechanical and the duty of its internal bearings are closely related, and the working temperature of internal bearings is the very important parameter that characterizes the bearing working state, therefore need to measure in real time the working temperature of internal bearings.At present there are two kinds of methods the working temperature measurement of bearing: a kind of method is that temperature-sensing probe and bearing are contacted, transfer data to outside pen recorder with the temperature of temperature-sensing probe sensing bearing and the method by radio communication, this method is with the working temperature of the direct sensing bearing of temperature-sensing probe, the precision of measuring in the good situation of the signal condition of radio communication can guarantee, the precision that can not guarantee to measure but wireless signal is very easy to be subject to the interference of engine interior complex environment condition; Owing to causing the volume of this measurement mechanism large with radio communication device, be inconvenient to install in addition; And radio communication device comes transmitted signal in order to penetrate the bearing external component, and the power consumption of its transmitter module just needs height, causes thus that easily overheated can't being competent at a high speed and for a long time measures.Another kind method is indirectly to measure, be exactly temperature or other correlative of measuring in advance the liquid coolant of the bearing of flowing through, then go out relation between the working temperature of coolant temperature and bearing by corresponding mathematics model analysis, thereby indirectly extrapolate the working temperature of bearing, although the measurement mechanism of this method can be measured the bearing of High Rotation Speed, Measuring Time is also unrestricted.But as a kind of indirectly measuring method, its measuring accuracy depends on the mathematical model that adopts and the similarity degree of actual environment to a great extent, and the working environment of the bearing of most of High Rotation Speed is very complicated in the reality, various boundary conditions are difficult to or even can't measure, therefore the levels of precision of mathematical model is very limited, thus so that the poor accuracy of temperature-measuring results.
Summary of the invention
The deficiency that exists in order to overcome above-mentioned prior art, the object of the present invention is to provide a kind of temperature measuring equipment and measuring method of bearing working temperature, this device is by temperature-sensing probe, temperature measurement controller, centrifugal switch or speed switch, linear voltage regulator or power management chip, pin-saving chip and thermal insulation material form thermometric and register system, also have in addition the temperature data that is formed by communication interface and computing machine to read and display system in the device, working temperature and record by thermometric and register system on-line measurement bearing, measure and finish afterwards reading temperature data and storage, can also read and display system display measurement temperature data by temperature data, guaranteed accurately effectively to measure the working temperature of bearing, this device volume is little simultaneously, be easy to install, low in energy consumption and can in the working environment of high-speed bearing, measure for a long time.
In order to achieve the above object, the technical solution adopted in the present invention is:
A kind of temperature measuring equipment of bearing working temperature, comprise and the contacted temperature-sensing probe 1 in bearing rotary position, the output port 22 of described temperature-sensing probe 1 is connected with the input port 23 of temperature measurement controller 2, described temperature measurement controller 2 is amplified and filtering circuit 7 by signal, A/D change-over circuit 8 and Micro-processor MCV 9 and connecting and composing between them, the input port 23 of temperature measurement controller 2 is connected with the input end 42 of filtering circuit 7 with its signal amplification, the signal amplification is connected with the output terminal 43 of filtering circuit 7 and the input end 44 of A/D change-over circuit 8, the output terminal 45 of A/D change-over circuit 8 is connected with the input port 46 of Micro-processor MCV 9, the output port 47 of Micro-processor MCV 9 is connected with the output port 24 of temperature measurement controller 2, the control port 48 of Micro-processor MCV 9 is connected with the control port 26 of temperature measurement controller 2, the enable port 49 of Micro-processor MCV 9 is connected with the enable port 28 of temperature measurement controller 2, the power port 50 of Micro-processor MCV 9 is connected with the power port 34 of temperature measurement controller 2, the low-power consumption module is arranged in the Micro-processor MCV 9, the collecting temperature data module, time delay module and measurement finish judge module, the output port 24 of temperature measurement controller 2 is connected with the input port 25 of pin-saving chip 3, the control port 26 of temperature measurement controller 2 is connected with the enable port 32 of the enable port 31 of power management chip 4 and pin-saving chip 3, in the power management chip 4 initialization module is arranged, the enable port 28 of temperature measurement controller 2 is connected with the output port 27 of speed switch 5, the rotating speed contact of speed switch 5 and the rotation position of bearing contact, the power port 34 of temperature measurement controller 2, the power port 33 of temperature-sensing probe 1, the power port 35 of pin-saving chip 3 and the power port 36 of speed switch 5 are connected with the output port 21 of power management chip 4, at power management chip 4, temperature measurement controller 2, fill such temperature-sensing probe 1 with thermal insulation material 6 between pin-saving chip 3 and the speed switch 5, temperature measurement controller 2, pin-saving chip 3, power management chip 4 and speed switch 5 and connected and composed thermometric and register system between them; The data-out port 38 of the pin-saving chip 3 in thermometric and the register system and the data-in port 39 of single-chip microcomputer 10 are connected, there are data reading and display module in single-chip microcomputer 10 inside, the data-out port 40 of single-chip microcomputer 10 is connected with the data communication port 41 of computing machine 11, such single-chip microcomputer 10 and computing machine 11 and connected and composed that temperature data is read and display system between them.
Described speed switch 5 can replace with centrifugal switch.
Described power management chip 4 can replace with linear voltage regulator.
The measuring method of the temperature measuring equipment of above-mentioned measurement bearing working temperature, step is as follows:
Step 1: initial phase, namely give its initialization module of power management chip 4 electrifying startups, initialization module driver output port 21 starts to Micro-processor MCV 9 and speed switch 5 power supplies in the temperature measurement controller 2, in addition at speed switch 5 default critical startup tachometer values;
Step 2: the dormant stage, be i.e. call its low-power consumption module when Micro-processor MCV 9 power supplies start microprocessor 9 is placed low power consumpting state;
Step 3: start working the judgement stage, namely when speed switch 5 does not receive the tach signal at bearing rotary position, continue the dormant stage, and receive the tach signal at bearing rotary position and during greater than its default critical startup tachometer value when speed switch 5, speed switch 5 conductings are also sent to the enable port 28 of temperature measurement controller 2 by its output port 27 and to be interrupted the low power consumpting state signal, Micro-processor MCV 9 calls its collecting temperature data module subsequently, thereby withdraws from low power consumpting state;
Step 4: data acquisition phase, namely call its collecting temperature data module by Micro-processor MCV 9, at first will start the instruction of temperature-sensing probe power supply sends to power management chip 4 through the control port 26 of temperature measurement controller 2 by the control port 48 of Micro-processor MCV 9 enable port 31, the output port 21 of power management chip 4 is by driving the power port 33 of temperature-sensing probe 1 thus, to temperature-sensing probe 1 power supply, temperature-sensing probe 1 is sent to by output port 22 the working temperature electric signal of bearing the input end 42 of signal amplification and filtering circuit 7 through the input port 23 of temperature measurement controller 2 by contact bearing rotation position, process through signal amplification and the amplification filtering of the working temperature electric signal of 7 pairs of these bearings of filtering circuit, working temperature electric signal after the processing amplifies the input end 44 that is sent to A/D change-over circuit 8 with the output terminal 43 of filtering circuit 7 through signal, this signal is carried out analog to digital conversion, the working temperature numerical data of the bearing after the conversion is sent to the input port 46 of Micro-processor MCV 9 by the output terminal 45 of A/D change-over circuit 8, Micro-processor MCV 9 calls the working temperature data that its temperature transition module obtains real-time bearing after with working temperature numerical data homogenizing thus, and these working temperature data are stored in the register of Micro-processor MCV 9, then the instruction of log-on data storage chip power supply is sent to the enable port 31 of power management chip 4 through the control port 26 of temperature measurement controller 2 by the control port 48 of Micro-processor MCV 9, the output port 21 of power management chip 4 is by the power port 35 of pin-saving chip 3 thus, to pin-saving chip 3 power supplies, the working temperature data communication device of the real-time bearing output port 47 of crossing Micro-processor MCV 9 is sent to the input port 25 of pin-saving chip 3 through the output port 24 of temperature measurement controller 2 subsequently, preserved by 3 pairs of these data of pin-saving chip, preserve complete after, Micro-processor MCV 9 is disposed these data in its register, and will close the instruction of pin-saving chip power supply sends to power management chip 4 through the control port 26 of temperature measurement controller 2 by the control port 48 of Micro-processor MCV 9 enable port 31, the output port 21 of power management chip 4 is by the power port 35 of pin-saving chip 3, with pin-saving chip 3 outages thus;
Step 5: in the time-delay stage, namely Micro-processor MCV 9 calls the low-power consumption module and enters low power consumpting state, calls subsequently its time delay module, postpones to wait for that the time that continues is the sampling time interval of the timer setting of Micro-processor MCV 9 inside;
Step 6: measure and finish the judgement stage, be that Micro-processor MCV 9 calls and measure to finish judge module and check whether the data volume in the pin-saving chip 3 reaches the value of setting, if reach, show that gatherer process finishes, then forward step 7 to, if data volume not yet reaches preset value, then forward step 4 cycling to;
Step 7: stop phase, namely Micro-processor MCV 9 calls the low-power consumption module and enters low power consumpting state;
Step 8: data fetch phase, namely behind the temperature survey end-of-job, start computing machine 11 and connect single-chip microcomputer 10, data reading by single-chip microcomputer 10 inside and the data-out port 38 of display module driver module driving data storage chip 3 send to the bearing working temperature data that measures the data-in port 39 of single-chip microcomputer 10, and the data-out port 40 by single-chip microcomputer 10 sends to the data communication port 41 of computing machine 11 with these data and is presented on the display screen of computing machine 11 again immediately.
The measuring method of the temperature measuring equipment of above-mentioned measurement bearing working temperature can also be the method that comprises that step is following:
Step 1: initial phase, namely give its initialization module of power management chip 4 electrifying startups, initialization module driver output port 21 starts to Micro-processor MCV 9 and speed switch 5 power supplies in the temperature measurement controller 2, in addition at speed switch 5 default critical startup tachometer values;
Step 2: the dormant stage, be i.e. call its low-power consumption module when Micro-processor MCV 9 power supplies start microprocessor 9 is placed low power consumpting state;
Step 3: start working the judgement stage, namely when speed switch 5 does not receive the tach signal at bearing rotary position, continue the dormant stage, and receive the tach signal at bearing rotary position and during greater than its default critical startup tachometer value when speed switch 5, speed switch 5 conductings are also sent to the enable port 28 of temperature measurement controller 2 by its output port 27 and to be interrupted the low power consumpting state signal, Micro-processor MCV 9 calls its collecting temperature data module subsequently, thereby withdraws from low power consumpting state;
Step 4: data acquisition phase, namely call its collecting temperature data module by Micro-processor MCV 9, at first will start the instruction of temperature-sensing probe power supply sends to power management chip 4 through the control port 26 of temperature measurement controller 2 by the control port 48 of Micro-processor MCV 9 enable port 31, the output port 21 of power management chip 4 is by driving the power port 33 of temperature-sensing probe 1 thus, to temperature-sensing probe 1 power supply, temperature-sensing probe 1 is sent to by output port 22 the working temperature electric signal of bearing the input end 42 of signal amplification and filtering circuit 7 through the input port 23 of temperature measurement controller 2 by contact bearing rotation position, process through signal amplification and the amplification filtering of the working temperature electric signal of 7 pairs of these bearings of filtering circuit, working temperature electric signal after the processing amplifies the input end 44 that is sent to A/D change-over circuit 8 with the output terminal 43 of filtering circuit 7 through signal, this signal is carried out analog to digital conversion, the working temperature numerical data of the bearing after the conversion is sent to the input port 46 of Micro-processor MCV 9 by the output terminal 45 of A/D change-over circuit 8, Micro-processor MCV 9 calls the working temperature data that its temperature transition module obtains real-time bearing after with working temperature numerical data homogenizing thus, and these working temperature data are stored in the register of Micro-processor MCV 9, then judge whether this register is filled with, if register less than, change step 5 over to, if register is full, send to the enable port 31 of power management chip 4 through the control port 26 of temperature measurement controller 2 by the control port 48 of Micro-processor MCV 9 with regard to the instruction of log-on data storage chip power supply, the output port 21 of power management chip 4 is by the power port 35 of pin-saving chip 3 thus, to pin-saving chip 3 power supplies, the working temperature data communication device of the real-time bearing output port 47 of crossing Micro-processor MCV 9 is sent to the input port 25 of pin-saving chip 3 through the output port 24 of temperature measurement controller 2 subsequently, preserved by 3 pairs of these data of pin-saving chip, preserve complete after, Micro-processor MCV 9 is disposed these data in its register, and will close the instruction of pin-saving chip power supply sends to power management chip 4 through the control port 26 of temperature measurement controller 2 by the control port 48 of Micro-processor MCV 9 enable port 31, the output port 21 of power management chip 4 is by the power port 35 of pin-saving chip 3, with pin-saving chip 3 outages thus;
Step 5: in the time-delay stage, namely Micro-processor MCV 9 calls the low-power consumption module and enters low power consumpting state, calls subsequently its time delay module, postpones to wait for that the time that continues is the sampling time interval of the timer setting of Micro-processor MCV 9 inside;
Step 6: measure and finish the judgement stage, be that Micro-processor MCV 9 calls and measure to finish judge module and check whether the data volume in the pin-saving chip 3 reaches the value of setting, if reach, show that gatherer process finishes, then forward step 7 to, if data volume not yet reaches preset value, then forward step 4 cycling to;
Step 7: stop phase, namely Micro-processor MCV 9 calls the low-power consumption module and enters low power consumpting state;
Step 8: data fetch phase, namely behind the temperature survey end-of-job, start computing machine 11 and connect single-chip microcomputer 10, data reading by single-chip microcomputer 10 inside and the data-out port 38 of display module driver module driving data storage chip 3 send to the bearing working temperature data that measures the data-in port 39 of single-chip microcomputer 10, and the data-out port 40 by single-chip microcomputer 10 sends to the data communication port 41 of computing machine 11 with these data and is presented on the display screen of computing machine 11 again immediately.
A kind of temperature measuring equipment and measuring method of measuring the bearing working temperature of the present invention, owing to adopting the contact temperature-measuring method with the contacted temperature-sensing probe 1 in bearing rotary position, and in conjunction with the method for amplification, filtering and the digitized processing bearing working signal of temperature measurement controller 2 so that thermometric is accurate, and the shortcoming that the signal of radio communication disturbs can not appear; Simultaneously whole temperature measuring equipment circuit design is simple so that whole device be easy to install; Adopt the sub-unit power supply mode under Micro-processor MCV 9 controls in the measuring method, so that whole device is low in energy consumption; By the buffer action of thermal insulation material, this device can tolerate the condition of work of high temperature and large rotating speed, and can keep accurately measuring for a long time real-time bearing working temperature.
Description of drawings
Fig. 1 is the structural representation of thermometric of the present invention and register system.
Fig. 2 is the structural representation of temperature measurement controller of the present invention.
Fig. 3 is that temperature data of the present invention is read the structural representation with display system.
Embodiment
The present invention will be described in more detail below in conjunction with drawings and Examples.
Embodiment 1:
Such as Fig. 1, Fig. 2 and shown in Figure 3, measure the temperature measuring equipment of bearing working temperature, comprise and the contacted temperature-sensing probe 1 in bearing rotary position, the output port 22 of described temperature-sensing probe 1 is connected with the input port 23 of temperature measurement controller 2, described temperature measurement controller 2 is amplified and filtering circuit 7 by signal, A/D change-over circuit 8 and Micro-processor MCV 9 and connecting and composing between them, the input port 23 of temperature measurement controller 2 is connected with the input end 42 of filtering circuit 7 with its signal amplification, the signal amplification is connected with the output terminal 43 of filtering circuit 7 and the input end 44 of A/D change-over circuit 8, the output terminal 45 of A/D change-over circuit 8 is connected with the input port 46 of Micro-processor MCV 9, the output port 47 of Micro-processor MCV 9 is connected with the output port 24 of temperature measurement controller 2, the control port 48 of Micro-processor MCV 9 is connected with the control port 26 of temperature measurement controller 2, the enable port 49 of Micro-processor MCV 9 is connected with the enable port 28 of temperature measurement controller 2, the power port 50 of Micro-processor MCV 9 is connected with the power port 34 of temperature measurement controller 2, the low-power consumption module is arranged in the Micro-processor MCV 9, the collecting temperature data module, time delay module and measurement finish judge module, the output port 24 of temperature measurement controller 2 is connected with the input port 25 of pin-saving chip 3, the control port 26 of temperature measurement controller 2 is connected with the enable port 32 of the enable port 31 of power management chip 4 and pin-saving chip 3, in the power management chip 4 initialization module is arranged, the enable port 28 of temperature measurement controller 2 is connected with the output port 27 of speed switch 5, the rotating speed contact of speed switch 5 and the rotation position of bearing contact, the power port 34 of temperature measurement controller 2, the power port 33 of temperature-sensing probe 1, the power port 35 of pin-saving chip 3 and the power port 36 of speed switch 5 are connected with the output port 21 of power management chip 4, at power management chip 4, temperature measurement controller 2, fill such temperature-sensing probe 1 with thermal insulation material 6 between pin-saving chip 3 and the speed switch 5, temperature measurement controller 2, pin-saving chip 3, power management chip 4 and speed switch 5 and connected and composed thermometric and register system between them; The data-out port 38 of the pin-saving chip 3 in thermometric and the register system and the data-in port 39 of single-chip microcomputer 10 are connected, there are data reading and display module in single-chip microcomputer 10 inside, the data-out port 40 of single-chip microcomputer 10 is connected with the data communication port 41 of computing machine 11, such single-chip microcomputer 10 and computing machine 11 and connected and composed that temperature data is read and display system between them.
The measuring method of the temperature measuring equipment of the measurement bearing working temperature of the present embodiment, step is as follows:
Step 1: initial phase, namely give its initialization module of power management chip 4 electrifying startups, initialization module driver output port 21 starts to Micro-processor MCV 9 and speed switch 5 power supplies in the temperature measurement controller 2, in addition at speed switch 5 default critical startup tachometer values;
Step 2: the dormant stage, be i.e. call its low-power consumption module when Micro-processor MCV 9 power supplies start microprocessor 9 is placed low power consumpting state;
Step 3: start working the judgement stage, namely when speed switch 5 does not receive the tach signal at bearing rotary position, continue the dormant stage, and receive the tach signal at bearing rotary position and during greater than its default critical startup tachometer value when speed switch 5, speed switch 5 conductings are also sent to the enable port 28 of temperature measurement controller 2 by its output port 27 and to be interrupted the low power consumpting state signal, Micro-processor MCV 9 calls its collecting temperature data module subsequently, thereby withdraws from low power consumpting state;
Step 4: data acquisition phase, namely call its collecting temperature data module by Micro-processor MCV 9, at first will start the instruction of temperature-sensing probe power supply sends to power management chip 4 through the control port 26 of temperature measurement controller 2 by the control port 48 of Micro-processor MCV 9 enable port 31, the output port 21 of power management chip 4 is by driving the power port 33 of temperature-sensing probe 1 thus, to temperature-sensing probe 1 power supply, temperature-sensing probe 1 is sent to by output port 22 the working temperature electric signal of bearing the input end 42 of signal amplification and filtering circuit 7 through the input port 23 of temperature measurement controller 2 by contact bearing rotation position, process through signal amplification and the amplification filtering of the working temperature electric signal of 7 pairs of these bearings of filtering circuit, working temperature electric signal after the processing amplifies the input end 44 that is sent to A/D change-over circuit 8 with the output terminal 43 of filtering circuit 7 through signal, this signal is carried out analog to digital conversion, the working temperature numerical data of the bearing after the conversion is sent to the input port 46 of Micro-processor MCV 9 by the output terminal 45 of A/D change-over circuit 8, Micro-processor MCV 9 calls the working temperature data that its temperature transition module obtains real-time bearing after with working temperature numerical data homogenizing thus, and these working temperature data are stored in the register of Micro-processor MCV 9, then the instruction of log-on data storage chip power supply is sent to the enable port 31 of power management chip 4 through the control port 26 of temperature measurement controller 2 by the control port 48 of Micro-processor MCV 9, the output port 21 of power management chip 4 is by the power port 35 of pin-saving chip 3 thus, to pin-saving chip 3 power supplies, the working temperature data communication device of the real-time bearing output port 47 of crossing Micro-processor MCV 9 is sent to the input port 25 of pin-saving chip 3 through the output port 24 of temperature measurement controller 2 subsequently, preserved by 3 pairs of these data of pin-saving chip, preserve complete after, Micro-processor MCV 9 is disposed these data in its register, and will close the instruction of pin-saving chip power supply sends to power management chip 4 through the control port 26 of temperature measurement controller 2 by the control port 48 of Micro-processor MCV 9 enable port 31, the output port 21 of power management chip 4 is by the power port 35 of pin-saving chip 3, with pin-saving chip 3 outages thus;
Step 5: in the time-delay stage, namely Micro-processor MCV 9 calls the low-power consumption module and enters low power consumpting state, calls subsequently its time delay module, postpones to wait for that the time that continues is the sampling time interval of the timer setting of Micro-processor MCV 9 inside;
Step 6: measure and finish the judgement stage, be that Micro-processor MCV 9 calls and measure to finish judge module and check whether the data volume in the pin-saving chip 3 reaches the value of setting, if reach, show that gatherer process finishes, then forward step 7 to, if data volume not yet reaches preset value, then forward step 4 cycling to;
Step 7: stop phase, namely Micro-processor MCV 9 calls the low-power consumption module and enters low power consumpting state;
Step 8: data fetch phase, namely behind the temperature survey end-of-job, start computing machine 11 and connect single-chip microcomputer 10, data reading by single-chip microcomputer 10 inside and the data-out port 38 of display module driver module driving data storage chip 3 send to the bearing working temperature data that measures the data-in port 39 of single-chip microcomputer 10, and the data-out port 40 by single-chip microcomputer 10 sends to the data communication port 41 of computing machine 11 with these data and is presented on the display screen of computing machine 11 again immediately.
Embodiment 2:
Such as Fig. 1, Fig. 2 and shown in Figure 3, measure the temperature measuring equipment of bearing working temperature, comprise and the contacted temperature-sensing probe 1 in bearing rotary position, the output port 22 of described temperature-sensing probe 1 is connected with the input port 23 of temperature measurement controller 2, described temperature measurement controller 2 is amplified and filtering circuit 7 by signal, A/D change-over circuit 8 and Micro-processor MCV 9 and connecting and composing between them, the input port 23 of temperature measurement controller 2 is connected with the input end 42 of filtering circuit 7 with its signal amplification, the signal amplification is connected with the output terminal 43 of filtering circuit 7 and the input end 44 of A/D change-over circuit 8, the output terminal 45 of A/D change-over circuit 8 is connected with the input port 46 of Micro-processor MCV 9, the output port 47 of Micro-processor MCV 9 is connected with the output port 24 of temperature measurement controller 2, the control port 48 of Micro-processor MCV 9 is connected with the control port 26 of temperature measurement controller 2, the enable port 49 of Micro-processor MCV 9 is connected with the enable port 28 of temperature measurement controller 2, the power port 50 of Micro-processor MCV 9 is connected with the power port 34 of temperature measurement controller 2, the low-power consumption module is arranged in the Micro-processor MCV 9, the collecting temperature data module, time delay module and measurement finish judge module, the output port 24 of temperature measurement controller 2 is connected with the input port 25 of pin-saving chip 3, the control port 26 of temperature measurement controller 2 is connected with the enable port 32 of the enable port 31 of power management chip 4 and pin-saving chip 3, in the power management chip 4 initialization module is arranged, the enable port 28 of temperature measurement controller 2 is connected with the output port 27 of speed switch 5, the rotating speed contact of speed switch 5 and the rotation position of bearing contact, the power port 34 of temperature measurement controller 2, the power port 33 of temperature-sensing probe 1, the power port 35 of pin-saving chip 3 and the power port 36 of speed switch 5 are connected with the output port 21 of power management chip 4, at power management chip 4, temperature measurement controller 2, fill such temperature-sensing probe 1 with thermal insulation material 6 between pin-saving chip 3 and the speed switch 5, temperature measurement controller 2, pin-saving chip 3, power management chip 4 and speed switch 5 and connected and composed thermometric and register system between them; The data-out port 38 of the pin-saving chip 3 in thermometric and the register system and the data-in port 39 of single-chip microcomputer 10 are connected, there are data reading and display module in single-chip microcomputer 10 inside, the data-out port 40 of single-chip microcomputer 10 is connected with the data communication port 41 of computing machine 11, such single-chip microcomputer 10 and computing machine 11 and connected and composed that temperature data is read and display system between them.
The measuring method of the temperature measuring equipment of the measurement bearing working temperature of the present embodiment, step is as follows:
Step 1: initial phase, namely give its initialization module of power management chip 4 electrifying startups, initialization module driver output port 21 starts to Micro-processor MCV 9 and speed switch 5 power supplies in the temperature measurement controller 2, in addition at speed switch 5 default critical startup tachometer values;
Step 2: the dormant stage, be i.e. call its low-power consumption module when Micro-processor MCV 9 power supplies start microprocessor 9 is placed low power consumpting state;
Step 3: start working the judgement stage, namely when speed switch 5 does not receive the tach signal at bearing rotary position, continue the dormant stage, and receive the tach signal at bearing rotary position and during greater than its default critical startup tachometer value when speed switch 5, speed switch 5 conductings are also sent to the enable port 28 of temperature measurement controller 2 by its output port 27 and to be interrupted the low power consumpting state signal, Micro-processor MCV 9 calls its collecting temperature data module subsequently, thereby withdraws from low power consumpting state;
Step 4: data acquisition phase, namely call its collecting temperature data module by Micro-processor MCV 9, at first will start the instruction of temperature-sensing probe power supply sends to power management chip 4 through the control port 26 of temperature measurement controller 2 by the control port 48 of Micro-processor MCV 9 enable port 31, the output port 21 of power management chip 4 is by driving the power port 33 of temperature-sensing probe 1 thus, to temperature-sensing probe 1 power supply, temperature-sensing probe 1 is sent to by output port 22 the working temperature electric signal of bearing the input end 42 of signal amplification and filtering circuit 7 through the input port 23 of temperature measurement controller 2 by contact bearing rotation position, process through signal amplification and the amplification filtering of the working temperature electric signal of 7 pairs of these bearings of filtering circuit, working temperature electric signal after the processing amplifies the input end 44 that is sent to A/D change-over circuit 8 with the output terminal 43 of filtering circuit 7 through signal, this signal is carried out analog to digital conversion, the working temperature numerical data of the bearing after the conversion is sent to the input port 46 of Micro-processor MCV 9 by the output terminal 45 of A/D change-over circuit 8, Micro-processor MCV 9 calls the working temperature data that its temperature transition module obtains real-time bearing after with working temperature numerical data homogenizing thus, and these working temperature data are stored in the register of Micro-processor MCV 9, then judge whether this register is filled with, if register less than, change step 5 over to, if register is full, send to the enable port 31 of power management chip 4 through the control port 26 of temperature measurement controller 2 by the control port 48 of Micro-processor MCV 9 with regard to the instruction of log-on data storage chip power supply, the output port 21 of power management chip 4 is by the power port 35 of pin-saving chip 3 thus, to pin-saving chip 3 power supplies, the working temperature data communication device of the real-time bearing output port 47 of crossing Micro-processor MCV 9 is sent to the input port 25 of pin-saving chip 3 through the output port 24 of temperature measurement controller 2 subsequently, preserved by 3 pairs of these data of pin-saving chip, preserve complete after, Micro-processor MCV 9 is disposed these data in its register, and will close the instruction of pin-saving chip power supply sends to power management chip 4 through the control port 26 of temperature measurement controller 2 by the control port 48 of Micro-processor MCV 9 enable port 31, the output port 21 of power management chip 4 is by the power port 35 of pin-saving chip 3, with pin-saving chip 3 outages thus;
Step 5: in the time-delay stage, namely Micro-processor MCV 9 calls the low-power consumption module and enters low power consumpting state, calls subsequently its time delay module, postpones to wait for that the time that continues is the sampling time interval of the timer setting of Micro-processor MCV 9 inside;
Step 6: measure and finish the judgement stage, be that Micro-processor MCV 9 calls and measure to finish judge module and check whether the data volume in the pin-saving chip 3 reaches the value of setting, if reach, show that gatherer process finishes, then forward step 7 to, if data volume not yet reaches preset value, then forward step 4 cycling to;
Step 7: stop phase, namely Micro-processor MCV 9 calls the low-power consumption module and enters low power consumpting state;
Step 8: data fetch phase, namely behind the temperature survey end-of-job, start computing machine 11 and connect single-chip microcomputer 10, data reading by single-chip microcomputer 10 inside and the data-out port 38 of display module driver module driving data storage chip 3 send to the bearing working temperature data that measures the data-in port 39 of single-chip microcomputer 10, and the data-out port 40 by single-chip microcomputer 10 sends to the data communication port 41 of computing machine 11 with these data and is presented on the display screen of computing machine 11 again immediately.
Adopt embodiments of the invention 1 and embodiment 2, because the contact temperature-measuring method with the contacted temperature-sensing probe 1 in bearing rotary position, and in conjunction with the method for amplification, filtering and the digitized processing bearing working signal of temperature measurement controller 2 so that thermometric is accurate, and the shortcoming that the signal of radio communication disturbs can not appear; Simultaneously whole temperature measuring equipment circuit design is simple so that whole device be easy to install; Adopt the sub-unit power supply mode under Micro-processor MCV 9 controls in the measuring method, so that whole device is low in energy consumption; By the buffer action of thermal insulation material, this device can tolerate the condition of work of high temperature and large rotating speed, and can keep accurately measuring for a long time real-time bearing working temperature.
In addition, embodiment 2 and embodiment 1 compare, the advantage of embodiment 2 is not to be to have gathered after the data all with data data writing storage chip 3 at every turn, so more economize on electricity, be applicable to the more sensitive occasion of power dissipation ratio, but the control method of its Micro-processor MCV 9 is complicated, and is higher to the capacity requirement of the storage space of Micro-processor MCV 9; And the advantage of embodiment 1 is that the control method of Micro-processor MCV 9 is simple, be applicable to power consumption insensitive, but the little occasion of the storage of Micro-processor MCV 9.
Claims (3)
1. the temperature measuring equipment of a bearing working temperature, comprise and the contacted temperature-sensing probe in bearing rotary position (1), it is characterized in that: the output port (22) of described temperature-sensing probe (1) is connected with the input port (23) of temperature measurement controller (2), described temperature measurement controller (2) is amplified and filtering circuit (7) by signal, A/D change-over circuit (8) and Micro-processor MCV (9) and connecting and composing between them, the input port (23) of temperature measurement controller (2) is connected with the input end (42) of filtering circuit (7) with its signal amplification, the signal amplification is connected with the output terminal (43) of filtering circuit (7) and the input end (44) of A/D change-over circuit (8), the output terminal (45) of A/D change-over circuit (8) and the input port (46) of Micro-processor MCV (9) are connected, the output port (47) of Micro-processor MCV (9) and the output port (24) of temperature measurement controller (2) are connected, the control port (48) of Micro-processor MCV (9) and the control port (26) of temperature measurement controller (2) are connected, the enable port (49) of Micro-processor MCV (9) and the enable port (28) of temperature measurement controller (2) are connected, the power port (50) of Micro-processor MCV (9) and the power port (34) of temperature measurement controller (2) are connected, Micro-processor MCV has the low-power consumption module in (9), the collecting temperature data module, time delay module and measurement finish judge module, the output port (24) of temperature measurement controller (2) is connected with the input port (25) of pin-saving chip (3), the control port (26) of temperature measurement controller (2) is connected with the enable port (32) of the enable port (31) of power management chip (4) and pin-saving chip (3), power management chip has initialization module in (4), the enable port (28) of temperature measurement controller (2) is connected with the output port (27) of speed switch (5), the rotating speed contact of speed switch (5) and the rotation position of bearing contact, the power port (34) of temperature measurement controller (2), the power port (33) of temperature-sensing probe (1), the power port (35) of pin-saving chip (3) and the power port (36) of speed switch (5) are connected with the output port (21) of power management chip (4), in power management chip (4), temperature measurement controller (2), fill such temperature-sensing probe (1) between pin-saving chip (3) and the speed switch (5) with thermal insulation material (6), temperature measurement controller (2), pin-saving chip (3), power management chip (4) and speed switch (5) and connected and composed thermometric and register system between them; The data-out port (38) of the pin-saving chip (3) in thermometric and the register system and the data-in port (39) of single-chip microcomputer (10) are connected, there are data reading and display module in single-chip microcomputer (10) inside, the data-out port (40) of single-chip microcomputer (10) and the data communication port (41) of computing machine (11) are connected, such single-chip microcomputer (10) and computing machine (11) and connected and composed that temperature data is read and display system between them.
2. a method that adopts temperature measuring equipment claimed in claim 1 to measure bearing temperature is characterized in that, step is as follows:
Step 1: initial phase, namely give its initialization module of power management chip (4) electrifying startup, initialization module driver output port (21) starts to Micro-processor MCV (9) and speed switch (5) power supply in the temperature measurement controller (2), in addition at the default critical startup tachometer value of speed switch (5);
Step 2: the dormant stage, be i.e. call its low-power consumption module when Micro-processor MCV (9) power supply starts microprocessor (9) is placed low power consumpting state;
Step 3: start working the judgement stage, namely when speed switch (5) does not receive the tach signal at bearing rotary position, continue the dormant stage, and receive the tach signal at bearing rotary position and during greater than its default critical startup tachometer value when speed switch (5), speed switch (5) conducting is also sent to the enable port (28) of temperature measurement controller (2) by its output port (27) and is interrupted the low power consumpting state signal, Micro-processor MCV (9) calls its collecting temperature data module subsequently, thereby withdraws from low power consumpting state;
Step 4: data acquisition phase, namely call its collecting temperature data module by Micro-processor MCV (9), at first will start the instruction of temperature-sensing probe power supply sends to power management chip (4) by the control port (26) of control port (48) through temperature measurement controller (2) of Micro-processor MCV (9) enable port (31), the output port (21) of power management chip (4) is by driving the power port (33) of temperature-sensing probe (1) thus, power to temperature-sensing probe (1), temperature-sensing probe (1) is sent to the working temperature electric signal of bearing the input end (42) of signal amplification and filtering circuit (7) by the input port (23) of output port (22) through temperature measurement controller (2) by contact bearing rotation position, amplify and the amplification filtering processing of filtering circuit (7) to the working temperature electric signal of this bearing through signal, working temperature electric signal after the processing amplifies the input end (44) that is sent to A/D change-over circuit (8) with the output terminal (43) of filtering circuit (7) through signal, this signal is carried out analog to digital conversion, the working temperature numerical data of the bearing after the conversion is sent to the input port (46) of Micro-processor MCV (9) by the output terminal (45) of A/D change-over circuit (8), Micro-processor MCV (9) calls the working temperature data that its temperature transition module obtains real-time bearing after with working temperature numerical data homogenizing thus, and these working temperature data are stored in the register of Micro-processor MCV (9), then the instruction of log-on data storage chip power supply is sent to the enable port (31) of power management chip (4) by the control port (26) of control port (48) through temperature measurement controller (2) of Micro-processor MCV (9), the output port (21) of power management chip (4) is by the power port (35) of pin-saving chip (3) thus, power to pin-saving chip (3), the working temperature data communication device of the real-time bearing output port (24) of output port (47) through temperature measurement controller (2) of crossing Micro-processor MCV (9) is sent to the input port (25) of pin-saving chip (3) subsequently, by pin-saving chip (3) these data are preserved, preserve complete after, Micro-processor MCV (9) is disposed these data in its register, and will close the instruction of pin-saving chip power supply sends to power management chip (4) by the control port (26) of control port (48) through temperature measurement controller (2) of Micro-processor MCV (9) enable port (31), the output port (21) of power management chip (4) cuts off the power supply pin-saving chip (3) by the power port (35) of pin-saving chip (3) thus;
Step 5: in the time-delay stage, namely Micro-processor MCV (9) calls the low-power consumption module and enters low power consumpting state, calls subsequently its time delay module, postpones to wait for that the time that continues is the sampling time interval that the inner timer of Micro-processor MCV (9) is set;
Step 6: measure and finish the judgement stage, be that Micro-processor MCV (9) calls and measure to finish judge module and check whether the data volume in the pin-saving chip (3) reaches the value of setting, if reach, show that gatherer process finishes, then forward step (7) to, if data volume not yet reaches preset value, then forward step (4) cycling to;
Step 7: stop phase, namely Micro-processor MCV (9) calls the low-power consumption module and enters low power consumpting state;
Step 8: data fetch phase, namely behind the temperature survey end-of-job, start computing machine (11) and connect single-chip microcomputer (10), the bearing working temperature data that measures is sent to the data-in port (39) of single-chip microcomputer (10) by the data-out port (38) of the inner data reading of single-chip microcomputer (10) and display module driver module driving data storage chip (3), the data-out port (40) by single-chip microcomputer (10) sends to the data communication port (41) of computing machine (11) with these data and is presented on the display screen of computing machine (11) again immediately.
3. a method that adopts temperature measuring equipment claimed in claim 1 to measure bearing temperature is characterized in that, step is as follows:
Step 1: initial phase, namely give its initialization module of power management chip (4) electrifying startup, initialization module driver output port (21) starts to Micro-processor MCV (9) and speed switch (5) power supply in the temperature measurement controller (2), in addition at the default critical startup tachometer value of speed switch (5);
Step 2: the dormant stage, be i.e. call its low-power consumption module when Micro-processor MCV (9) power supply starts microprocessor (9) is placed low power consumpting state;
Step 3: start working the judgement stage, namely when speed switch (5) does not receive the tach signal at bearing rotary position, continue the dormant stage, and receive the tach signal at bearing rotary position and during greater than its default critical startup tachometer value when speed switch (5), speed switch (5) conducting is also sent to the enable port (28) of temperature measurement controller (2) by its output port (27) and is interrupted the low power consumpting state signal, Micro-processor MCV (9) calls its collecting temperature data module subsequently, thereby withdraws from low power consumpting state;
Step 4: data acquisition phase, namely call its collecting temperature data module by Micro-processor MCV (9), at first will start the instruction of temperature-sensing probe power supply sends to power management chip (4) by the control port (26) of control port (48) through temperature measurement controller (2) of Micro-processor MCV (9) enable port (31), the output port (21) of power management chip (4) is by driving the power port (33) of temperature-sensing probe (1) thus, power to temperature-sensing probe (1), temperature-sensing probe (1) is sent to the working temperature electric signal of bearing the input end (42) of signal amplification and filtering circuit (7) by the input port (23) of output port (22) through temperature measurement controller (2) by contact bearing rotation position, amplify and the amplification filtering processing of filtering circuit (7) to the working temperature electric signal of this bearing through signal, working temperature electric signal after the processing amplifies the input end (44) that is sent to A/D change-over circuit (8) with the output terminal (43) of filtering circuit (7) through signal, this signal is carried out analog to digital conversion, the working temperature numerical data of the bearing after the conversion is sent to the input port (46) of Micro-processor MCV (9) by the output terminal (45) of A/D change-over circuit (8), Micro-processor MCV (9) calls the working temperature data that its temperature transition module obtains real-time bearing after with working temperature numerical data homogenizing thus, and these working temperature data are stored in the register of Micro-processor MCV (9), then judge whether this register is filled with, if register less than, change step 5 over to, if register is full, send to the enable port (31) of power management chip (4) by the control port (26) of control port (48) through temperature measurement controller (2) of Micro-processor MCV (9) with regard to the instruction of log-on data storage chip power supply, the output port (21) of power management chip (4) is by the power port (35) of pin-saving chip (3) thus, power to pin-saving chip (3), the working temperature data communication device of the real-time bearing output port (24) of output port (47) through temperature measurement controller (2) of crossing Micro-processor MCV (9) is sent to the input port (25) of pin-saving chip (3) subsequently, by pin-saving chip (3) these data are preserved, preserve complete after, Micro-processor MCV (9) is disposed these data in its register, and will close the instruction of pin-saving chip power supply sends to power management chip (4) by the control port (26) of control port (48) through temperature measurement controller (2) of Micro-processor MCV (9) enable port (31), the output port (21) of power management chip (4) cuts off the power supply pin-saving chip (3) by the power port (35) of pin-saving chip (3) thus;
Step 5: in the time-delay stage, namely Micro-processor MCV (9) calls the low-power consumption module and enters low power consumpting state, calls subsequently its time delay module, postpones to wait for that the time that continues is the sampling time interval that the inner timer of Micro-processor MCV (9) is set;
Step 6: measure and finish the judgement stage, be that Micro-processor MCV (9) calls and measure to finish judge module and check whether the data volume in the pin-saving chip (3) reaches the value of setting, if reach, show that gatherer process finishes, then forward step (7) to, if data volume not yet reaches preset value, then forward step (4) cycling to;
Step 7: stop phase, namely Micro-processor MCV (9) calls the low-power consumption module and enters low power consumpting state;
Step 8: data fetch phase, namely behind the temperature survey end-of-job, start computing machine (11) and connect single-chip microcomputer (10), the bearing working temperature data that measures is sent to the data-in port (39) of single-chip microcomputer (10) by the data-out port (38) of the inner data reading of single-chip microcomputer (10) and display module driver module driving data storage chip (3), the data-out port (40) by single-chip microcomputer (10) sends to the data communication port (41) of computing machine (11) with these data and is presented on the display screen of computing machine (11) again immediately.
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| CN 201010176292 CN101852653B (en) | 2010-05-18 | 2010-05-18 | Device and method for measuring working temperature of bearing |
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| CN 201010176292 CN101852653B (en) | 2010-05-18 | 2010-05-18 | Device and method for measuring working temperature of bearing |
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| CN103332206A (en) * | 2013-06-27 | 2013-10-02 | 南车四方车辆有限公司 | Motor car and temperature-measuring mapping instrument for bearing of motor car |
| CN104515744B (en) * | 2014-04-30 | 2017-06-23 | 北京奥斐德石油技术有限公司 | Infrared total hydrocarbon identification systems |
| CN107885255A (en) * | 2017-11-09 | 2018-04-06 | 苏州欧弗贝传动科技有限公司 | A kind of hydrodynamic sliding bearing temperature control system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1687723A (en) * | 2005-05-08 | 2005-10-26 | 陈志成 | New type sensor for measuring temperature of bearing |
| EP1152233B1 (en) * | 2000-05-03 | 2007-04-11 | Skf Mekan Ab | Temperature monitoring device |
| CN200968886Y (en) * | 2006-08-09 | 2007-10-31 | 重庆德马变频电机研发制造有限公司 | Motor bearing temperature sensing device |
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| JP2007292155A (en) * | 2006-04-24 | 2007-11-08 | Nsk Ltd | Bearing with temperature notifying function |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1152233B1 (en) * | 2000-05-03 | 2007-04-11 | Skf Mekan Ab | Temperature monitoring device |
| CN1687723A (en) * | 2005-05-08 | 2005-10-26 | 陈志成 | New type sensor for measuring temperature of bearing |
| CN200968886Y (en) * | 2006-08-09 | 2007-10-31 | 重庆德马变频电机研发制造有限公司 | Motor bearing temperature sensing device |
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| Title |
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| JP特开2007-292155A 2007.11.08 |
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