CN220084337U - Bearing diagnosis test pen based on envelope - Google Patents
Bearing diagnosis test pen based on envelope Download PDFInfo
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- CN220084337U CN220084337U CN202321661030.8U CN202321661030U CN220084337U CN 220084337 U CN220084337 U CN 220084337U CN 202321661030 U CN202321661030 U CN 202321661030U CN 220084337 U CN220084337 U CN 220084337U
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- based bearing
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Abstract
The utility model discloses a bearing diagnosis test pen based on envelope, which comprises an upper shell and a lower shell, wherein a cavity is formed in the upper shell when the upper shell is connected with the lower shell, a round hole is formed in the top of the upper shell when the upper shell is connected with the lower shell, a sensor and an infrared temperature sensor are arranged in the round hole, an opening is formed in the upper shell, a display screen is arranged at the opening, a main board, a battery and a wireless charging module are arranged in the cavity, and the battery is connected with the main board and the wireless charging module. The portable bearing diagnosis test pen integrates vibration measurement and temperature measurement, has the advantages of high precision, wide range, low power consumption, low cost and easy operation, and on the portable bearing diagnosis test pen, the functions of Bluetooth communication, wireless charging and the like are added. The enterprise is enabled to master initiative of equipment maintenance management, production safety and production quality are guaranteed, equipment failure rate and maintenance cost are effectively reduced, and great economic and social benefits are brought to the enterprise.
Description
Technical Field
The utility model belongs to the technical field of diagnostic test pens, and particularly relates to a bearing diagnostic test pen based on envelope.
Background
The modern industrial production is increasingly large, high-speed and automatic, especially in the industries of electric power, metallurgy, petrochemical industry, coal, tobacco and the like, the equipment investment is large, the continuous production flow is long, the running state of the equipment determines the product quality and the production safety, and the equipment is stopped to cause great economic loss and even serious accidents of machine destruction and human death. In order to prolong the service life of equipment and ensure that each function of the equipment can meet the production requirements of enterprises in the service life period, and prevent the problems of safety, environment and product quality caused by equipment faults, the early detection, fault diagnosis and early maintenance of the equipment become a particularly important link.
The fault diagnosis by using the vibration signal is the most effective method commonly used in equipment fault diagnosis methods. In failure detection of equipment, about 30% -40% of equipment failures are due to bearing failures. Traditional machine learning methods often require a great deal of expertise and complex feature engineering, i.e., manual operations by professionals. Deep exploratory data analysis is performed on the data set, then PCA or other methods are used for performing dimension reduction on the data, and finally feature extraction is performed. The most troublesome or manual steps are not enough in the intersection of expertise in different fields, and research problems in different fields often require a plurality of professionals in the fields to perform manual feature extraction, which leads to increase of research cost.
The dynamic characteristics of the mechanical equipment can be shown through vibration signals, and the working state and faults of the equipment can be obtained by analyzing and processing rich information in the dynamic characteristics. The bearing fault diagnosis is carried out on the premise that a vibration signal with fault information is obtained, and the working state information of the bearing is mainly measured by using a vibration sensor. The processing analysis of the bearing signals mainly comprises frequency domain, appetite and time-frequency domain analysis. The trend of the bearing fault evolution can be determined through time domain analysis, and the position of the bearing fault and the degree network of the fault can be determined through frequency domain analysis. And analyzing the key indexes such as periodic pulse amplitude, frequency, fault characteristic frequency and the like generated by the bearing fault vibration signal to determine the fault position of the bearing, and analyzing the degradation degree of the bearing. The vibration analysis method shows that the vibration analysis method is still lean due to the advantages of other fault diagnosis analysis methods, such as being suitable for bearings under various types and variable working conditions, can realize on-line monitoring and off-line monitoring, has relatively good effect on early fault diagnosis, has high diagnosis efficiency and accurate fault positioning, and therefore, the diagnosis result is reliable and the vibration analysis method is widely applied in a plurality of fields.
Disclosure of Invention
The utility model aims to provide an envelope-based bearing diagnosis test pen, which solves the problems in the background technology.
The conventional vibration analysis is to collect vibration fault signals of the bearing by using a data acquisition card or an NI board card through a sensor arranged in the bearing seat or the box body, and then to obtain vibration data through processing and analysis of computer software, so as to diagnose the nature and the type of the fault. This analysis is time consuming and labor intensive and the data obtained is not necessarily accurate.
The portable bearing diagnosis test pen integrates vibration measurement and temperature measurement, has the advantages of high precision, wide range, low power consumption, low cost and easy operation, and has the functions of Bluetooth communication, wireless charging and the like. The enterprise is enabled to master initiative of equipment maintenance management, production safety and production quality are guaranteed, equipment failure rate and maintenance cost are effectively reduced, and great economic and social benefits are brought to the enterprise.
In order to achieve the above purpose, the present utility model provides the following technical solutions: an envelope-based bearing diagnostic test pen comprising
The upper shell and the lower shell are connected, and a cavity is formed inside the upper shell and the lower shell;
a round hole is formed in the top of the upper shell and the lower shell when the upper shell and the lower shell are connected, and a sensor and an infrared temperature sensor are arranged in the round hole;
an opening is formed in the upper shell, and a display screen is arranged at the opening;
the cavity is internally provided with a main board, a battery and a wireless charging module, and the battery is connected with the main board and the wireless charging module.
Preferably, the upper shell and the lower shell are fixedly connected through screws, and the screws are arranged in pairs and distributed at the upper, middle and lower positions of the test pen.
In any of the above schemes, preferably, a damping rubber sleeve is arranged in the round hole along the inner wall of the round hole.
In any of the above schemes, preferably, a lens is arranged on the outer surface of the display screen on the upper shell, and the lens adopts explosion-proof glass.
In any of the above schemes, preferably, a vibration and charging interface is provided at the bottom of the upper case and the lower case when they are connected.
In any of the above schemes, preferably, a push-pull seat is arranged at the vibration and charging interface when the upper shell and the lower shell are connected.
In any of the above schemes, preferably, rubber rings are arranged at the joints of the upper shell and the lower shell at the upper part and the lower part.
In any of the above schemes, preferably, a key is provided on the upper case.
In any of the above schemes, preferably, the main board includes a data acquisition unit, a central processing unit, a charging management unit, and a communication module.
The utility model has the technical effects and advantages that: the bearing diagnosis test pen based on the envelope has two charging modes of wire and wireless, and is convenient to use;
the Bluetooth online upgrading and data transmission are supported, the Bluetooth online upgrading and data transmission system can be connected with a device management system and a point inspection system, the Bluetooth online upgrading and data transmission system has good anti-interference performance, a data packet is short and is very suitable for industrial measurement and control application, in a noisy environment or under the condition of long-distance data transmission, error codes can infiltrate into messages, bluetooth can detect the reasons, and measures are taken to avoid the situation of causing unreliable channels;
the temperature measurement and vibration measurement are integrated, the spot inspection function is realized, and the spot inspection device is suitable for vibration, temperature and rotation speed measurement of various machines. The product is matched with the equipment point inspection system, so that equipment point inspection of enterprises can be realized; the digital recording of the measured quantity, the meter reading quantity and the observed quantity can be realized, the traditional handsheet writing is omitted, and the efficiency and the accuracy of equipment point inspection are greatly improved;
the vibration sensor is built-in, and when the vibration sensor is used, the vibration sensor probe rod is only required to be in contact with an object to be measured, so that vibration measurement data can be visually displayed, and the sensor is not required to be adsorbed on the object to be measured after the vibration sensor probe rod is connected through a cable.
Drawings
FIG. 1 is a front view of the present utility model;
FIG. 2 is a rear view of the present utility model;
FIG. 3 is a side view of the present utility model;
FIG. 4 is a bottom view of the present utility model;
FIG. 5 is a top view of the present utility model;
fig. 6 is an exploded construction view of the present utility model.
In the figure: 1. a lens; 2. an upper case; 3. an infrared temperature measurement sensor; 4. a display screen; 5. a sensor; 6. damping rubber sleeves; 7. a main board; 8. a battery; 9. a wireless charging module; 10. a push-pull seat; 11. a rubber ring; 12. a lower case; 13. a key; 14. a screw; 15. vibration and charging interface.
Detailed Description
The following describes the embodiments of the present utility model further with reference to the drawings. The description of these embodiments is provided to assist understanding of the present utility model, but is not intended to limit the present utility model. In addition, the technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.
The present utility model provides an envelope-based bearing diagnostic test pen as shown in FIGS. 1-6, comprising
Upper shell 2 and lower shell 12, upper shell 2 and lower shell 12 are made of ABS material, protection level IP65 and surface impedance less than 10 9 Omega. The plastic has the advantages of excellent mechanical properties, small volume, good impact resistance, light weight and convenient carrying; the upper shell 2 and the lower shell 12 are fixedly connected through the screws 14, the number of the screws 14 is 6, the screws are distributed at the upper, middle and lower positions of the test pen in pairs, and rubber rings 11 are arranged at the connecting positions of the upper shell 2 and the lower shell 12 at the upper part and the lower part;
a round hole is formed in the top of the upper shell 2 and the lower shell 12 when connected, a damping rubber sleeve 6 is arranged in the round hole along the inner wall of the round hole, and a sensor 5 and an infrared temperature sensor 3 are arranged in the round hole;
an opening is formed in the upper shell 2, a display screen 4 is arranged at the opening, a lens 1 is arranged on the outer surface of the display screen 4, and the lens 1 is made of explosion-proof glass;
be provided with mainboard 7, battery 8 and wireless module 9 that charges in the cavity, battery 8 is connected with mainboard 7, wireless module 9 that charges, and battery 8 adopts chargeable battery: the equipment adopts a special explosion-proof 103450A rechargeable lithium battery to supply power, has large capacity, small weight and long service life, reduces the use inconvenience caused by a plug-in instrument, and is more flexible to use. The charging interface adopts a metal self-locking push-pull device, and has higher heat resistance and cold resistance. .
The bottom of the upper shell 2 and the lower shell 12 when connected is provided with a vibration and charging interface 15, a push-pull device seat 10 is arranged at the vibration and charging interface 15,
the upper case 2 is provided with keys 13.
The main board 7 comprises a data acquisition unit, a central processing unit, a charging management unit and a communication module.
And a circuit module: the charging system comprises a data acquisition unit, a central processing unit, a charging management unit and a communication module. A charging management unit: the lithium battery charging control method comprises the steps of wired charging and wireless charging, and charging control is carried out on the lithium battery through a special charging management chip. And a communication module: the Bluetooth communication technology is adopted, and short-distance radio is utilized to connect nearby devices, so that data interaction is carried out with upper computer software or an APP client. The Bluetooth module is small in size, easy to integrate and low in power consumption.
The device collects data through the sensor 5, the data are analyzed and processed by the collecting unit and then transmitted to the central processing unit, and the central processing unit transmits the collected data to the display unit. Under the condition of Bluetooth connection with the handheld terminal equipment, the acquired data can be transmitted to the handheld terminal APP or the upper computer software and displayed in the forms of data, frequency spectrum, time domain waveform and the like, and when the acquired data exceeds a set alarm value, relevant alarm information is displayed. Meanwhile, the on-line upgrading of the firmware can be realized through the Bluetooth communication module.
Sensor 5: the equipment adopts a high-precision piezoelectric vibration sensor to collect vibration signals, and a temperature sensor adopts an MXL90614 non-contact infrared temperature measuring sensor 3. The piezoelectric sensor changes the output voltage of the acceleration sensor by changing the capacity of the capacitor through deformation of the ceramic plate inside the sensor after sensing vibration of the vibrating object. The colleague in the infrared non-contact thermometer metal package inherits the infrared induction thermopile detector chip and the signal processing special integrated chip, and the precision and the resolution are high.
Display screen 4: the programmable LCD display is adopted, and can communicate with a singlechip or a computer through a serial port.
The display screen 4 is adhered to the casing through double-sided adhesive, and is fixed through screws, so that the tightness of the display screen is ensured, the battery and the wireless charging module are fixed through adhesive dispensing after being adhered to the casing through double-sided adhesive, the display screen is ensured not to shift in use, the main board 7 is fixed with the casing through copper studs and screws, and after the sensor interface, the infrared temperature sensor 3 and the infrared laser tube are installed, the adhesive dispensing is fixed, so that the tightness of the display screen is ensured.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.
Claims (9)
1. An envelope-based bearing diagnostic test pen, characterized in that: comprising
An upper shell (2) and a lower shell (12), wherein when the upper shell (2) and the lower shell (12) are connected, a cavity is formed inside;
a round hole is formed in the top of the upper shell (2) and the bottom shell (12) when the upper shell is connected, and a sensor (5) and an infrared temperature sensor (3) are arranged in the round hole;
an opening is formed in the upper shell (2), and a display screen (4) is arranged at the opening;
the battery charging device is characterized in that a main board (7), a battery (8) and a wireless charging module (9) are arranged in the cavity, and the battery (8) is connected with the main board (7) and the wireless charging module (9).
2. An envelope-based bearing diagnostic test pencil as claimed in claim 1 wherein: the upper shell (2) and the lower shell (12) are fixedly connected through screws (14), the number of the screws (14) is 6, and the screws are distributed at the upper, middle and lower positions of the test pen in pairs.
3. An envelope-based bearing diagnostic test pencil as claimed in claim 1 wherein: and a damping rubber sleeve (6) is arranged in the round hole along the inner wall of the round hole.
4. An envelope-based bearing diagnostic test pencil as claimed in claim 1 wherein: the upper shell (2) is provided with a lens (1) on the outer surface of the display screen (4), and the lens (1) adopts explosion-proof glass.
5. An envelope-based bearing diagnostic test pencil as claimed in claim 1 wherein: the bottom of the upper shell (2) and the bottom of the lower shell (12) are provided with a vibration and charging interface (15) when connected.
6. An envelope-based bearing diagnostic test pencil as claimed in claim 1 wherein: the upper shell (2) and the lower shell (12) are connected, and a push-pull device seat (10) is arranged at a vibration and charging interface (15).
7. An envelope-based bearing diagnostic test pencil as claimed in claim 1 wherein: the rubber rings (11) are arranged at the joints of the upper shell (2) and the lower shell (12) at the upper part and the lower part.
8. An envelope-based bearing diagnostic test pencil as claimed in claim 1 wherein: the upper shell (2) is provided with a key (13).
9. An envelope-based bearing diagnostic test pencil as claimed in claim 1 wherein: the main board (7) comprises a data acquisition unit, a central processing unit, a charging management unit and a communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321661030.8U CN220084337U (en) | 2023-06-27 | 2023-06-27 | Bearing diagnosis test pen based on envelope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321661030.8U CN220084337U (en) | 2023-06-27 | 2023-06-27 | Bearing diagnosis test pen based on envelope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220084337U true CN220084337U (en) | 2023-11-24 |
Family
ID=88822535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321661030.8U Active CN220084337U (en) | 2023-06-27 | 2023-06-27 | Bearing diagnosis test pen based on envelope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220084337U (en) |
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2023
- 2023-06-27 CN CN202321661030.8U patent/CN220084337U/en active Active
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