CN217687789U

CN217687789U - Multifunctional vibration meter

Info

Publication number: CN217687789U
Application number: CN202221292171.2U
Authority: CN
Inventors: 王执军; 梁丽芳; 陈鹏; 梁鹏; 溫静
Original assignee: Beijing Shidai Longcheng Science & Technology Co ltd
Current assignee: Beijing Shidai Longcheng Science & Technology Co ltd
Priority date: 2022-05-26
Filing date: 2022-05-26
Publication date: 2022-10-28
Anticipated expiration: 2032-05-26

Abstract

The utility model relates to a vibration measurement technical field just discloses a multi-functional vibration meter, including the epitheca, the back fixed mounting of epitheca has the inferior valve, the positive fixed mounting of epitheca has the display screen, the side of epitheca is provided with the volume adjustment key, the last fixed surface of epitheca installs preceding baffle. Through collecting the temperature measurement, the survey shakes, survey the rotational speed in an organic whole, possess the point and patrol and examine the function, be applicable to the vibration of all kinds of machinery, the temperature, the rotational speed is measured, product cooperation equipment point system of patrolling and examining, the equipment point that can realize the enterprise is patrolled and examined, can realize the measuring volume, the volume of checking meter, the digital record of observed volume, traditional handsheet pen record has been removed from, the efficiency and the degree of accuracy that the equipment point was patrolled and examined are provided by a wide margin, possess earphone auscultation function, directly listen to the vibration sensor and reach the fidelity effect, audio module is less signal amplification output, the user connects headphone to listen to vibration signal, it is effectual to give sound insulation, can be used to noisy environment.

Description

Multifunctional vibration meter

Technical Field

The utility model relates to a vibration measurement technical field specifically is a multi-functional vibration meter.

Background

The modern industrial production is increasingly large-scale, high-speed and automatic, particularly in the industries of electric power, metallurgy, petrifaction, coal, tobacco and the like, the equipment investment is large, the continuous production process is long, the product quality and the production safety are determined by the running state of the equipment, and the equipment shutdown can cause great economic loss and even great accidents of machine damage and human death. In order to prolong the life cycle of equipment, ensure that each function of the equipment can meet the production requirement of an enterprise in the life cycle, and prevent the occurrence of safety, environment and product quality problems caused by equipment faults, early inspection, fault diagnosis and early maintenance of the equipment become a particularly important link.

The diagnosis of the fault by using the vibration signal is the most effective method commonly used in the equipment fault diagnosis method. The vibration and characteristic information of mechanical equipment and structural system in the course of operation are the main signals reflecting the operation state of system and its change rule, and the collection, recording and analysis of various dynamic signals are the main means for monitoring system state and analyzing and diagnosing fault. Statistics show that equipment failure due to vibration accounts for over 60% of all types of failure. According to reports at home and abroad, 34% of faults of the aero-engine in use can be found by using a vibration analysis technical means, and 70% of maintenance cost can be saved.

At present, instruments such as vibration measurement and temperature measurement which are professionally used for detecting the running state of mechanical equipment are independent and inconvenient to carry and use, the equipment state and running data recorded in the acquisition process are usually recorded in an inspection card, and are inconvenient to store, and the instruments do not have the function of auscultation of an earphone, so that powerful basic data and aid decision cannot be provided for maintenance and repair of the equipment.

SUMMERY OF THE UTILITY MODEL

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a multi-functional vibration meter, includes the epitheca, the back fixed mounting of epitheca has the inferior valve, the positive fixed mounting of epitheca has the display screen, the side of epitheca is provided with the volume adjustment key, the last fixed surface of epitheca installs preceding baffle, the last fixed surface of preceding baffle installs infrared laser pipe, the last fixed surface of preceding baffle installs infrared sensor, the last fixed surface of preceding baffle installs the vibration sensor interface, the back fixed mounting of epitheca has circuit module, circuit module includes data acquisition unit, central processing unit, battery management unit, audio module and communication module, the bottom fixed mounting of epitheca has the backplate, the back of inferior valve is provided with the screw.

Preferably, the positive fixed mounting of inferior valve has rechargeable battery, the bottom of backplate is provided with the earphone interface, the bottom of backplate is provided with power source, rechargeable battery is 18650 explosion-proof type rechargeable lithium batteries of instrument built-in standard, and is capacious, light in weight, longe-lived, it is inconvenient to have subtracted the use that the plug-in type instrument brought, and it is more nimble to use, and the interface that charges adopts metal auto-lock push-pull, has higher heat resistance and cold resistance, can conveniently insert the earphone through setting up of earphone interface, adopts headphone, is different from in-ear earplug formula earphone, and it is effectual to give sound insulation, and the sound field is effectual, directly listens the vibration and reaches high-fidelity effect, is applicable to noisy environment.

Preferably, the front surface of the upper shell is provided with a measuring key, and a constant current source vibration acceleration sensor, a digital temperature sensor and an infrared laser probe hole site are reserved in the equipment shell to support the access of a rotating speed sensor. The constant-current source vibration acceleration sensor adopts a piezoelectric sensor, the vibration of a vibrating object enables ceramic plates in the sensor to deform so as to change the capacity of a capacitor to change the change of the output voltage of the acceleration sensor, a digital temperature sensor is converted into a sensor which can directly read digital quantity by data acquisition equipment through a temperature and humidity sensitive element and a corresponding circuit, an infrared laser probe does not emit any type of radiation on the half body, the power consumption of a device is low, and the sensor belongs to non-contact measurement.

Preferably, central processing unit is connected with the data acquisition unit, central processing unit is connected with the battery management unit, carry out data acquisition through the sensor, transmit to central processing unit after the acquisition unit analysis processes, central processing unit is with data transmission to the display element of gathering, the vibration meter is under the condition of being connected with handheld terminal equipment bluetooth, can be with data transmission to handheld terminal APP of gathering, show with data, the frequency spectrum waveform form, when data acquisition surpassed and set for the alarm value, show relevant alarm information, accessible bluetooth communication module simultaneously, realize the online upgrade of firmware, the earphone can be connected to the user, show vibration signal with the audio frequency form.

Preferably, the central processing unit is connected with the audio module, the central processing unit is connected with communication module, audio power amplifier module is with volume and power level high efficiency, the reappear audio input signal of low distortion, vibration signal promptly on the sound production output element, communication module adopts bluetooth communication technology, and it utilizes short distance radio to couple together near equipment, but connecting device management system, point system of patrolling and examining, bluetooth module is small, easily integrated, and the low power dissipation.

The utility model provides a multi-functional vibrometer. The method has the following beneficial effects:

(1) The utility model discloses possess the earphone auscultation function, directly listen to vibration sensor and reach the fidelity effect, audio module will less signal amplification output, and the user connects headphone to listen to vibration signal, and it is effectual to give sound insulation, can use in noisy environment.

(2) The utility model discloses a support online upgrading of bluetooth and data transmission, but the connected device management system, the point system of patrolling and examining possess good interference immunity, and the data package is short, and especially adapted industrial measurement and control are used, in noisy environment, or under the condition of longer distance transmission data, the error code can permeate the message in, and bluetooth detectable arrives these reasons to take measures and avoid causing the condition of unreliable passageway.

(3) The utility model discloses a collect temperature measurement, vibration measurement, survey the rotational speed in an organic whole, possess the point and patrol and examine the function, be applicable to vibration, temperature, the rotational speed measurement of all kinds of machinery, product cooperation equipment point system of patrolling and examining can realize that the equipment point of enterprise patrols and examines, can realize the measurement volume, and the digital record of the volume of checking meter, observation volume has removed traditional hand-copy note from, provides the efficiency and the degree of accuracy that the equipment point patrolled and examined by a wide margin.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the back structure of the present invention;

FIG. 3 is a side view of the present invention;

FIG. 4 is a schematic top view of the present invention;

fig. 5 is a bottom structure diagram of the present invention.

In the figure: 1. an upper shell; 2. a display screen; 3. a lower case; 4. a volume adjustment key; 5. an infrared laser tube; 6. an infrared sensor; 7. a vibration sensor interface; 8. an earphone interface; 9. a power interface; 10. a front baffle; 11. a tailgate; 12. a screw; 13. a measurement key.

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.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1-5, the utility model provides a technical solution: the utility model provides a multifunctional vibration meter, including epitheca 1, the back fixed mounting of epitheca 1 has inferior valve 3, the positive fixed mounting of epitheca 1 has display screen 2, the side of epitheca 1 is provided with volume adjustment key 4, the last fixed surface of epitheca 1 installs preceding baffle 10, the last fixed surface of preceding baffle 10 installs infrared laser pipe 5, the last fixed surface of preceding baffle 10 installs infrared sensor 6, the last fixed surface of preceding baffle 10 installs vibration sensor interface 7, the back fixed mounting of epitheca 1 has circuit module, circuit module includes the data acquisition unit, central processing unit, the battery management unit, audio module and communication module, the bottom fixed mounting of epitheca 1 has backplate 11, the back of inferior valve 3 is provided with screw 12.

The positive fixed mounting of inferior valve 3 has rechargeable battery, the bottom of backplate 11 is provided with earphone interface 8, the bottom of backplate 11 is provided with power source 9, rechargeable battery is the instrument embeds standard 18650 explosion-proof type rechargeable lithium cell, and is capacious, light in weight, long service life, it is inconvenient to have subtracted the use that plug-in type instrument brought, it is more nimble to use, the interface that charges adopts metal auto-lock push-pull, higher heat resistance and cold resistance have, can conveniently insert the earphone through setting up of earphone interface 8, adopt headphone, be different from the in-ear earphone, it is effectual to give sound insulation, and the sound field is effectual, directly listen to the vibration and reach the high-fidelity effect, be applicable to noisy environment.

The front of the upper shell 1 is provided with a measuring key 13, a constant current source vibration acceleration sensor, a digital temperature sensor and an infrared laser probe hole site are reserved in the shell of the device, the constant current source vibration acceleration sensor is connected with a rotating speed sensor in a supporting mode, a piezoelectric sensor is adopted as the constant current source vibration acceleration sensor, the vibration of a vibrating object enables ceramic plates in the sensor to deform, so that the capacity of a capacitor is changed to change the change of the output voltage of the acceleration sensor, the digital temperature sensor is converted into a sensor for directly reading digital quantity by data acquisition equipment through a temperature sensitive element, a humidity sensitive element and a corresponding circuit, the infrared laser probe does not emit any radiation in the half body, the power consumption of the device is low, and the device belongs to contactless measurement.

Central processing unit is connected with the data acquisition unit, central processing unit is connected with the battery management unit, carry out data acquisition through the sensor, transmit to central processing unit after the acquisition unit analysis processes, central processing unit is with data transmission to the display element of gathering, the vibrometer is under the condition of being connected with handheld terminal equipment bluetooth, can be with data transmission to handheld terminal APP of gathering, with data, the frequency spectrum waveform form shows, when the data acquisition surpassed and set for the alarm value, show relevant alarm information, accessible bluetooth communication module simultaneously, realize the online upgrade of firmware, the user can connect the earphone, show vibration signal with the audio frequency form.

The central processing unit is connected with an audio module, the central processing unit is connected with a communication module, the audio power amplifier module is used for reproducing audio input signals, namely vibration signals, with high efficiency and low distortion on a sound production output element according to volume and power level, the communication module adopts a Bluetooth communication technology, the communication module utilizes short-distance radio to connect nearby equipment, and can be connected with an equipment management system and a point inspection system, and the Bluetooth module is small in size, easy to integrate and low in power consumption.

When the device is used, the device management system and the point inspection system can be connected by supporting Bluetooth online upgrade and data transmission, the device has good anti-interference performance, the data packet is short and short, the device is very suitable for industrial measurement and control application, error codes can permeate into messages in a noisy environment or under the condition of transmitting data at a longer distance, the Bluetooth can detect the reasons, and measures are taken to avoid the condition of causing an unreliable channel; the earphone auscultation function is achieved, the vibration sensor is directly heard to achieve a fidelity effect, the audio module amplifies and outputs a small signal, a user is connected with the headset to hear the vibration signal, the sound insulation effect is good, and the earphone auscultation function can be used in a noisy environment; through collecting temperature measurement, vibration measurement, survey the rotational speed in an organic whole, possess the point and patrol and examine the function, be applicable to vibration, temperature, the rotational speed measurement of all kinds of machinery, the product cooperates the equipment point system of patrolling and examining, can realize that the equipment point of enterprise patrols and examines, can realize the measuring volume, the digital record of the volume of checking meter, observed volume has removed traditional hand-copy pen from and has recorded, provides the efficiency and the degree of accuracy that the equipment point patrolled and examined by a wide margin.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a multi-functional vibration meter, includes epitheca (1), its characterized in that: the utility model discloses a portable electronic device, including epitheca (1), the back fixed mounting of epitheca (1) has inferior valve (3), the front fixed mounting of epitheca (1) has display screen (2), the side of epitheca (1) is provided with volume adjustment key (4), baffle (10) before the last fixed surface of epitheca (1) installs, the last fixed surface of preceding baffle (10) installs infrared laser pipe (5), the last fixed surface of preceding baffle (10) installs infrared sensor (6), the last fixed surface of preceding baffle (10) installs vibration sensor interface (7), the back fixed mounting of epitheca (1) has circuit module, circuit module includes data acquisition unit, central processing unit, battery management unit, audio module and communication module, the bottom fixed mounting of epitheca (1) has backplate (11), the back of inferior valve (3) is provided with screw (12).

2. A multi-functional vibration meter according to claim 1, characterized in that: the front of inferior valve (3) is fixed with rechargeable battery, the bottom of backplate (11) is provided with earphone interface (8), the bottom of backplate (11) is provided with power source (9).

3. The multifunctional vibration meter according to claim 1, characterized in that: the front surface of the upper shell (1) is provided with a measuring key (13).

4. The multifunctional vibration meter according to claim 1, characterized in that: the central processing unit is connected with a data acquisition unit and a battery management unit.

5. A multi-functional vibration meter according to claim 1, characterized in that: the central processing unit is connected with an audio module and a communication module.