CN212206581U - Motor intelligent detection system - Google Patents
Motor intelligent detection system Download PDFInfo
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- CN212206581U CN212206581U CN202021065922.8U CN202021065922U CN212206581U CN 212206581 U CN212206581 U CN 212206581U CN 202021065922 U CN202021065922 U CN 202021065922U CN 212206581 U CN212206581 U CN 212206581U
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Abstract
The utility model discloses an intelligent motor detection system, which comprises a vibration detection component, a temperature acquisition module, a signal conditioning unit, a data processing unit and a computer, wherein the vibration detection component is arranged on a bearing to be detected of a motor and is used for detecting the vibration acceleration of the bearing to be detected; the temperature acquisition module is used for detecting the temperature of the bearing to be detected; the signal conditioning unit is used for receiving and processing data signals output by the vibration detection assembly and the temperature acquisition module; the data processing unit is connected with the signal conditioning unit and used for receiving the conditioned data signals of the vibration detection assembly and the temperature acquisition module, calculating and processing the received data signals and generating axial and radial vibration strength values and temperature values of the bearing to be detected; the computer is used for receiving and analyzing the signals output by the data processing unit. The motor detection system can effectively detect the vibration and the temperature rise of the motor rotation center, and improve the operation condition of an operator to know the motor running condition in time.
Description
Technical Field
The utility model relates to a detect technical field, especially relate to a motor intellectual detection system.
Background
The heat generated by the rotating equipment such as the motor and the pump is mainly caused by the load effect of electricity, heat and machinery in the running process and the influence of natural environments such as air temperature, air pressure, humidity, corrosion, dirt and the like, and the motor or the pump is aged, fatigued and abraded after long-term working, so that the performance is gradually reduced, and the reliability is gradually reduced.
Particularly, the motor is used as a conventional power source, the motor is basically mounted on the shell by virtue of the bearing, and the bearing is abraded due to long-term high-speed rotation, so that the rotation center of the whole motor generates vibration in different degrees when rotating around the axis of the motor, and finally the whole motor is vibrated. The vibration of the motor directly causes the bearing to generate large friction heat, and the heat further accelerates the abrasion of the bearing, so that the vibration of the whole motor is increased. The above situations often cause the problem that the first-out of one bearing is not replaced in time, so that vibration generated by the bearing is transmitted to other parts of the motor in subsequent use, and finally, a considerable part of energy of the vibration acts on other intact bearings to accelerate the wear process of the other intact bearings, so that the motor or the pump is aged, fatigued and worn, the performance is gradually reduced, and the reliability is gradually reduced. Therefore, a system capable of effectively detecting the vibration of the rotation center of the motor and the temperature change is urgently needed to solve the above problems.
Disclosure of Invention
The utility model discloses aim at solving one of the above-mentioned technical problem at least, provide a motor intellectual detection system, this system can effectively detect motor rotation center's vibration and temperature rise, improves the operation workman and in time knows the motor running condition.
In order to realize the purpose, the utility model discloses a technical scheme be:
the utility model provides a motor intellectual detection system, includes the motor, the motor includes that casing, rotor and stator constitute, the stator is fixed on the inner wall of casing, install on the casing through the bearing at the main shaft both ends on the rotor, the air gap has between stator and the rotor, still includes:
the vibration detection assembly is arranged on a bearing to be detected of the motor and used for detecting the vibration acceleration of the bearing to be detected;
the temperature acquisition module is used for detecting the temperature of the bearing to be detected;
the signal conditioning unit is used for receiving and processing the data signals output by the vibration detection assembly and the temperature acquisition module;
the data processing unit is connected with the signal conditioning unit and used for receiving the conditioned data signals of the vibration detection assembly and the temperature acquisition module, calculating and processing the received data signals and generating axial and radial vibration strength values and temperature values of the bearing to be detected;
and the computer is connected with the data processing unit and used for receiving and analyzing the signals output by the data processing unit.
As an improvement of the technical scheme, the vibration detection device further comprises a judgment module, wherein the judgment module is respectively connected with the temperature acquisition module and the vibration detection assembly, and compares the temperature value output by the temperature acquisition module and the vibration intensity value transmitted by the vibration detection assembly with corresponding standard values respectively and judges whether the difference value is within a preset range.
As an improvement of the technical scheme, the temperature measuring device further comprises a power supply module, wherein the power supply module is used for providing working power supply for the judging module, the data processing unit, the temperature collecting module, the vibration detecting assembly and the computer respectively.
As an improvement of the above technical solution, the signal conditioning unit includes:
the signal amplifier is used for amplifying the vibration signal detected by the vibration detection component and the temperature signal detected by the temperature acquisition module;
the filter is connected with the signal amplifier and is used for removing the vibration signal detected by the amplified detection assembly and the noise in the temperature signal detected by the temperature acquisition module;
and the analog-to-digital converter is connected with the filter and used for converting the vibration signal detected by the vibration detection component after noise removal and the temperature signal detected by the temperature acquisition module into digital signals and then sending the digital signals to the data processing unit.
As an improvement of the above technical solution, the data processing unit includes:
the processor is used for receiving the vibration signals sent by the conditioned vibration detection assembly and the temperature signals sent by the temperature acquisition module and calculating and processing the signals to generate axial and radial vibration strength values of the bearing to be detected and a temperature value of the bearing to be detected;
the communication interface is connected with the processor and is used for sending the axial and radial vibration strength values of the bearing to be tested to the computer;
the display screen is connected with the processor and is used for displaying the axial and radial vibration strength values and the temperature value of the bearing to be tested;
a memory coupled to the processor for storing the detection data.
As an improvement of the technical scheme, the power supply module outputs 24-36V voltage.
As an improvement of the above technical solution, the temperature acquisition module includes a temperature measurement probe and an AD signal converter; the temperature measuring probe can measure thermal image data of the bearing to be measured in a non-contact mode, the thermal image data are connected with the input end of the AD signal converter through optical fibers, and the output end of the AD signal converter is connected to the signal conditioning unit through the optical fibers.
As an improvement of the technical scheme, the vibration detection assembly is a vibration acceleration sensor, and the vibration acceleration sensor is used for collecting the vibration acceleration of the bearing to be detected.
As the improvement of the technical scheme, the vibration detection assemblies are provided with three groups, and the three groups of vibration detection assemblies are distributed on the main shaft at one end corresponding to the bearing to be detected in a shape like a Chinese character 'pin'.
Compared with the prior art, the beneficial effects of this application are:
the utility model discloses a motor detection system utilizes vibration detection subassembly and temperature acquisition module to detect the vibration acceleration and the temperature of the bearing that awaits measuring respectively, can know the vibration and the temperature condition of changing of bearing in time; the data signals output by the vibration detection assembly and the temperature acquisition module are processed by the signal conditioning unit, so that the accuracy of the data detected by the whole detection system is improved; in addition, the data processing unit is used for calculating and processing to generate the axial and radial vibration strength values and the temperature values of the bearing to be detected, so that the computer can conveniently identify the axial and radial vibration strength values and the temperature values. The whole detection system can accurately and timely measure the vibration and temperature change conditions of the bearing to be detected, so that an operator can timely know the running condition of the whole motor, and the condition that the production is influenced because the worn bearing is not timely replaced is reduced.
Drawings
The following detailed description of embodiments of the invention is provided in conjunction with the accompanying drawings, in which:
fig. 1 is a schematic view of an installation structure of a motor and a vibration detection assembly in an embodiment of the present invention;
fig. 2 is a schematic block diagram of an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or there can be intervening components, and when a component is referred to as being "disposed in the middle," it is not just disposed in the middle, so long as it is not disposed at both ends, but rather is within the scope of the middle. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items
As shown in fig. 1 to 2, the utility model provides a motor intelligent detection system, including motor 1, motor 1 includes casing 11, rotor 12 and stator 13 and constitutes, stator 13 is fixed on the inner wall of casing 11, the main shaft both ends on rotor 12 are installed on casing 11 through the bearing, an air gap has between stator 13 and the rotor 12, still include vibration detection subassembly 2, temperature acquisition module 3, signal conditioning unit 4, data processing unit 5 and computer 6, wherein vibration detection subassembly 2 installs on the bearing 14 that awaits measuring of motor 1 for detect the vibration acceleration of the bearing 14 that awaits measuring; the temperature acquisition module 3 is used for detecting the temperature of the bearing 14 to be detected; the signal conditioning unit 4 is used for receiving and processing data signals output by the vibration detection assembly 2 and the temperature acquisition module 3; the data processing unit 5 is connected with the signal conditioning unit 4 and is used for receiving the conditioned data signals of the vibration detection assembly 2 and the temperature acquisition module 3, calculating and processing the received data signals and generating axial and radial vibration strength values and temperature values of the bearing 14 to be detected; the computer 6 is connected to the data processing unit 5 for receiving and analyzing the signals output by the data processing unit 5.
The motor detection system utilizes the vibration detection assembly 2 and the temperature acquisition module 3 to respectively detect the vibration acceleration and the temperature of the bearing 14 to be detected, so that the vibration and temperature change conditions of the bearing can be known in time; the data signals output by the vibration detection assembly 2 and the temperature acquisition module 3 are processed by the signal conditioning unit 4, so that the accuracy of the data detected by the whole detection system is improved; in addition, the data processing unit 5 is used for calculating and processing to generate axial and radial vibration strength values and temperature values of the bearing 14 to be measured, so that the computer 6 can conveniently identify the axial and radial vibration strength values and the temperature values. The whole detection system can accurately and timely measure the vibration and temperature change conditions of the bearing 14 to be detected, so that an operator can timely know the running condition of the whole motor 1, and the condition that the production is influenced because the worn bearing is not replaced timely is reduced.
In addition, in practical use, the temperature acquisition module 3 may adopt a contact type measurement mode or a non-contact type measurement mode, and the vibration detection assembly 2 is a vibration acceleration sensor for acquiring the vibration acceleration of the bearing 14 to be detected, and the vibration acceleration sensor is a conventional sensor and is not described in detail herein. The temperature acquisition module 3 comprises a temperature measurement probe 31 and an AD signal converter 32; the temperature measuring probe 31 can measure thermal image data of the bearing 14 to be measured in a non-contact manner, and is connected with the input end of the AD signal converter 32 through an optical fiber, and the output end of the AD signal converter 32 is connected with the signal conditioning unit 4 through an optical fiber. The temperature probe 31 is mainly in a non-contact manner in this application, so that the whole bearing 14 to be tested can be identified conveniently, and the temperature probe 31 is a conventional temperature measuring device and is not detailed here. The AD signal converter 32 is also a conventional electronic component and is not described in detail here. And in this application vibration detection subassembly 2 is provided with three groups, and three vibration detection subassemblies 2 of group are the article style of calligraphy and distribute on the main shaft of the bearing 14 that awaits measuring corresponds one end, and radial vibration and axial vibration on the main shaft of whole rotor 12 can more accurately be surveyed in such design, more can objectively, accurately judge the whole vibration condition of the bearing 14 that awaits measuring on rotor 12.
Referring to fig. 1 and fig. 2, the motor detection system further includes a judgment module 7, the judgment module 7 is respectively connected to the temperature acquisition module 3 and the vibration detection assembly 2, and the judgment module 7 compares the temperature value output by the temperature acquisition module 3 and the vibration intensity value transmitted by the vibration detection assembly 2 with corresponding standard values respectively and judges whether the difference value is within a predetermined range. The judgment module 7 is a conventional electronic component, and the judgment operation of the acquired signal data can be realized by using a judgment unit in an x-IP telephone exchange system and an exchange method of the chinese patent zl201810016506.
Further, in another embodiment of the present application, the motor detection system further includes a power module 8, and the power module 8 provides a working power for the judgment module 7, the data processing unit 5, the temperature acquisition module 3, the vibration detection assembly 2, and the computer 6, respectively. The power module 8 is conventional in the field of testing and will not be described in detail herein, and the power module 8 is preferably an AC-DC standard series power module having a model number TB01-T2S 05. In addition, the output voltage of the power supply module 8 is 24-36V.
Of course, in the present application, the signal conditioning unit 4 includes a signal amplifier 41, a filter 42 and an analog-to-digital converter 43, the signal amplifier 41 is used for amplifying the vibration signal detected by the vibration detection assembly 2 and the temperature signal detected by the temperature acquisition module 3; the filter 42 is connected to the signal amplifier 41 and is configured to remove noise in the vibration signal detected by the amplified detection component and the temperature signal detected by the temperature acquisition module 3; the analog-to-digital converter 43 is connected to the filter 42, and is configured to convert the vibration signal detected by the vibration detection assembly 2 after removing noise and the temperature signal detected by the temperature acquisition module 3 into digital signals, and send the digital signals to the data processing unit 5. The vibration signal detected by the vibration detection component 2 and the temperature signal detected by the temperature acquisition module 3 are conditioned by the signal conditioning unit 4, so that the signals are converted into high-quality signals which can be identified by the data processing unit 5, and the accuracy of the detection result is ensured.
Further, the data processing unit 5 includes a processor 51, a communication interface 52, a display 53 and a memory 54, where the processor 51 is configured to receive the vibration signal sent by the conditioned vibration detection assembly 2 and the temperature signal sent by the temperature acquisition module 3, and perform calculation processing on these signals to generate axial and radial vibration strength values of the bearing 14 to be measured and a temperature value of the bearing 14 to be measured; the communication interface 52 is connected with the processor 51 and is used for sending the axial and radial vibration strength values of the bearing to be tested to the computer 6; the display screen 53 is connected with the processor 51 and is used for displaying the axial and radial vibration strength values and the temperature value of the bearing 14 to be measured; a memory 54 is connected to the processor 51 for storing the detection data.
In addition, the data processing unit 5 can also be provided with a memory card slot, and the detection data is stored in the memory card by inserting the memory card, so that technicians can conveniently carry the detection data with them or transfer the detection data to other equipment. The data processing unit 5 may also include a printer module, which is connected to the processor 51, for printing the detection data, for the convenience of reference of the technician at any time and any place.
The system can effectively detect the vibration and the temperature rise of the rotation center of the motor 1, and improve the operation condition of an operator to know the operation condition of the motor 1 in time. By simultaneously measuring the vibration and temperature change of the bearing 14 to be measured, an operator can find the abnormality of the bearing 14 to be measured in time and discharge the abnormal condition in time.
The above embodiments are only used for illustrating the technical solutions of the present invention and are not limited thereto, and any modification or equivalent replacement that does not depart from the spirit and scope of the present invention should be covered by the scope of the technical solutions of the present invention.
Claims (9)
1. An electric machine intelligent detection system, comprising:
the vibration detection assembly is arranged on a bearing to be detected of the motor and used for detecting the vibration acceleration of the bearing to be detected; the temperature acquisition module is used for detecting the temperature of the bearing to be detected;
the signal conditioning unit is used for receiving and processing the data signals output by the vibration detection assembly and the temperature acquisition module;
the data processing unit is connected with the signal conditioning unit and used for receiving the conditioned data signals of the vibration detection assembly and the temperature acquisition module, calculating and processing the received data signals and generating axial and radial vibration strength values and temperature values of the bearing to be detected; and
and the computer is connected with the data processing unit and used for receiving and analyzing the signals output by the data processing unit.
2. The intelligent motor detection system according to claim 1, further comprising a judgment module, wherein the judgment module is respectively connected to the temperature acquisition module and the vibration detection assembly, and the judgment module compares the temperature value output by the temperature acquisition module and the vibration intensity value transmitted by the vibration detection assembly with corresponding standard values respectively and judges whether the difference value is within a predetermined range.
3. The intelligent motor detection system of claim 2, further comprising a power module, wherein the power module provides operating power for the judgment module, the data processing unit, the temperature acquisition module, the vibration detection assembly and the computer.
4. The intelligent motor detection system of claim 1, wherein the signal conditioning unit comprises:
the signal amplifier is used for amplifying the vibration signal detected by the vibration detection component and the temperature signal detected by the temperature acquisition module;
the filter is connected with the signal amplifier and is used for removing the vibration signal detected by the amplified detection assembly and the noise in the temperature signal detected by the temperature acquisition module;
and the analog-to-digital converter is connected with the filter and used for converting the vibration signal detected by the vibration detection component after noise removal and the temperature signal detected by the temperature acquisition module into digital signals and then sending the digital signals to the data processing unit.
5. The intelligent motor detection system of claim 1, wherein the data processing unit comprises
The processor is used for receiving the vibration signals sent by the conditioned vibration detection assembly and the temperature signals sent by the temperature acquisition module and calculating and processing the signals to generate axial and radial vibration strength values of the bearing to be detected and a temperature value of the bearing to be detected;
the communication interface is connected with the processor and is used for sending the axial and radial vibration strength values of the bearing to be tested to the computer;
the display screen is connected with the processor and is used for displaying the axial and radial vibration strength values and the temperature value of the bearing to be tested;
a memory coupled to the processor for storing the detection data.
6. The intelligent motor detection system of claim 3, wherein the output voltage of the power module is 24-36V.
7. The intelligent motor detection system according to any one of claims 1-6, wherein the temperature acquisition module comprises a temperature probe and an AD signal converter; the temperature measuring probe can measure thermal image data of the bearing to be measured in a non-contact mode, the thermal image data are connected with the input end of the AD signal converter through optical fibers, and the output end of the AD signal converter is connected to the signal conditioning unit through the optical fibers.
8. The intelligent motor detection system according to any one of claims 1-6, wherein the vibration detection assembly is a vibration acceleration sensor, and the vibration acceleration sensor is used for acquiring vibration acceleration of a bearing to be detected.
9. The intelligent motor detection system of claim 8, wherein three sets of vibration detection assemblies are arranged, and the three sets of vibration detection assemblies are distributed on the main shaft at the corresponding end of the bearing to be detected in a delta shape.
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| CN202021065922.8U CN212206581U (en) | 2020-06-11 | 2020-06-11 | Motor intelligent detection system |
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| CN202021065922.8U CN212206581U (en) | 2020-06-11 | 2020-06-11 | Motor intelligent detection system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024088129A1 (en) * | 2022-10-24 | 2024-05-02 | 蔚来动力科技(合肥)有限公司 | Abnormality detection for electric drive system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024088129A1 (en) * | 2022-10-24 | 2024-05-02 | 蔚来动力科技(合肥)有限公司 | Abnormality detection for electric drive system |
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