CN220356507U

CN220356507U - Integrated vibration displacement measuring device

Info

Publication number: CN220356507U
Application number: CN202322065506.8U
Authority: CN
Inventors: 苏光明; 孙刚; 党晓辉; 巨国柱
Original assignee: Xi'an Jianghe Technological Development Co ltd For Hydropower Station
Current assignee: Xi'an Jianghe Technological Development Co ltd For Hydropower Station
Priority date: 2023-08-03
Filing date: 2023-08-03
Publication date: 2024-01-16
Anticipated expiration: 2033-08-03

Abstract

The utility model belongs to the field of instruments and meters, and particularly relates to an integrated vibration displacement measuring device which is applied to a single-point measuring environment and comprises a shell, wherein an upper circuit board, a middle circuit board and a lower circuit board are arranged at the upper half part in the shell, and a core body is embedded at the lower half part; the upper circuit board is integrated with a nixie tube display module, an MCU processor and an analog output module; the middle layer circuit board is integrated with a power supply transformation module, a 485 communication module and a relay module; the lower circuit board is integrated with a vibration signal acquisition processing module; the circuit boards are connected through an internal connecting wire and a contact pin, and the inside of the device is filled with glue and sealed; the key and the vibration signal acquisition and processing module are connected with the MCU processor, the core body is connected with the vibration signal acquisition and processing module, and the nixie tube display module is connected with the MCU processor module. The analog quantity output module, the 485 communication module and the relay module are all connected with the MCU processor module. The power transformation module is used for changing 24V voltage into positive 12V and positive 5V and supplying power to each module assembly.

Description

Integrated vibration displacement measuring device

Technical Field

The utility model belongs to the field of instruments and meters, and particularly relates to an integrated vibration displacement measuring device which is applied to a single-point measuring environment.

Background

The vibration displacement measuring device on the market at present is mostly in the form of a sensor, the output signal is also a sine wave voltage signal of plus or minus 12V, the sensor cannot be directly measured generally, the sensor needs to be connected with an external instrument or a module for processing to work normally, the instrument cannot be integrated with the sensor due to limited space and long-term vibration influence, and the sensor is usually led out by adopting a sensor lead and then is connected into a control cabinet installed by the instrument for measurement. In addition, vibration measuring instruments in the current market are biased to a multi-point measuring mode, namely, one instrument is provided with more than 4 paths of sensors for measuring, and the volume is large. When the measuring device is used by a user, the voltage signal of the sensor needs to be sampled and processed by matching with a rear-end instrument or a transmitter, so that the voltage signal can be output and displayed, and the use is inconvenient.

Disclosure of Invention

The utility model provides an integrated vibration displacement measuring device, which aims to solve the problems that a vibration displacement measuring device in the prior art needs to be matched with a rear-end instrument or a transmitter for processing, and is large in size and inconvenient to use.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the integrated vibration displacement measuring device comprises a shell, wherein an upper layer circuit board, a middle layer circuit board and a lower layer circuit board are arranged at the upper part in the shell, a core body is embedded at the lower part, and keys are arranged on the surface of the device;

the upper circuit board is integrated with a nixie tube display module, an MCU processor and an analog output module;

the middle layer circuit board is integrated with a power supply transformation module, a 485 communication module and a relay module;

the lower layer circuit board is integrated with a vibration signal acquisition processing module;

the circuit boards are connected through an internal connecting wire and a contact pin, and the inside of the device is filled with glue and sealed;

the key and the vibration signal acquisition and processing module are connected with the MCU processor, the core body is connected with the vibration signal acquisition and processing module, the MCU processor is connected with the nixie tube display module, the analog quantity output module, the 485 communication module and the relay module, and the power transformation module is used for changing 24V voltage into positive and negative 12V and positive 5V and supplying power for each module assembly.

Preferably, the 485 communication module is provided with a standard MODE BUS communication interface; the MCU processor adopts an ARM processor.

Preferably, the analog output module comprises an analog chip of 4-20mA, the relay module comprises 2 alarm relays, and the on-off of the alarm relays is controlled by manually setting alarm values of two groups of switching values through keys.

Compared with the prior art, the utility model has the following beneficial technical effects:

1. the integrated vibration displacement measuring device provided by the utility model has the advantages that the sensor and the instrument are integrated in a miniaturized way, redundant parts are removed, the integrated vibration displacement measuring device can be applied to a single-point measuring environment such as a pump station in a specific industry, the integrated vibration displacement measuring device has the advantages of convenience in installation, low cost, small volume and the like, and the integrated vibration displacement measuring device can be used for communicating with an upper computer when being used for measuring stably, and can also be used for directly outputting control signals such as switching value alarm joints and the like.

2. The inside of the integrated vibration displacement measuring device provided by the utility model is sealed by glue filling, so that the effects of water resistance and vibration resistance can be achieved.

Drawings

FIG. 1 is a schematic view of the internal structure of the device of the present utility model;

FIG. 2 is a schematic diagram of the connection structure between the components of the device of the present utility model.

Wherein, 1-shell; 2-upper layer circuit board; 3-a middle layer circuit board; 4-a lower layer circuit board; 5-core.

Detailed Description

In order that those skilled in the art will better understand and practice the present utility model, the technical solutions of the present utility model will be further clarified below with reference to the drawings and examples.

Examples:

the device is a vibration displacement measuring device, and can measure the displacement in the vertical direction and the horizontal direction. The device integrates a sensor and a display instrument, has 2 groups of switching values and 1 group of 4-20mA analog values, also has a 485 communication interface, can directly display through a nixie tube display module, and can also communicate with an external instrument or an upper computer to transmit the acquired vibration displacement in real time.

As shown in fig. 1, an integrated vibration displacement measuring device comprises a shell 1, wherein an upper layer circuit board 2, a middle layer circuit board 3 and a lower layer circuit board 4 are arranged at the upper half part in the shell 1, and a core body 5 is embedded at the lower half part;

the upper circuit board 2 is integrated with a 3-bit LED nixie tube display component, which can display the vibration displacement of 0-999um, an MCU control component, an analog output component, wherein the MCU control component is an ARM processor, and the analog output component comprises a 4-20mA analog chip and outputs a 4-20mA standard analog signal.

The middle layer circuit board 3 is integrated with a power supply voltage transformation component which is used for changing 24V into positive and negative 12V and positive 5V for the sensor to use and a 485 communication component, is provided with a standard MODE BUS communication interface and a relay component, comprises 2 alarm relays, and the on-off of the alarm relays is controlled by manually setting alarm values of two groups of switching values through keys.

The lower circuit board 4 is integrated with a vibration signal acquisition and processing component;

the circuit boards are connected through an internal connecting wire and a contact pin, and the inside of the device is filled with glue and sealed.

As shown in fig. 2, the key and vibration signal collecting and processing module is connected to the MCU processor, the core 5 is connected to the vibration signal collecting and processing module, the MCU processor is connected to the nixie tube display module, the analog output module, the 485 communication module and the relay module, and the power transformation module is used for changing the voltage of 24V into positive and negative 12V and positive 5V, and then supplying power to each module assembly.

The working principle of the device is as follows:

the device detects vibration signals through the core body, transmits the vibration signals to the vibration signal acquisition processing module, acquires, amplifies and filters the vibration signals, then transmits the vibration signals to the MCU processor, and the MCU processor can obtain the displacement of the current vibration signals through sampling and calculation, then displays the displacement through the nixie tube display module, and simultaneously outputs analog quantity and relay switch quantity signals to an external upper computer through the analog quantity output module. The user can also modify and set the internal alarm value parameters through keys. The current monitored vibration displacement can be transmitted in real time through the communication of the 485 communication module integrated by the device and an external upper computer.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and "secured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The content of the utility model is not limited to the examples listed, and any equivalent transformation to the technical solution of the utility model that a person skilled in the art can take on by reading the description of the utility model is covered by the claims of the utility model.

Claims

1. Integral type vibration displacement measuring device, its characterized in that: the device comprises a shell (1), wherein an upper layer circuit board (2), a middle layer circuit board (3) and a lower layer circuit board (4) are arranged at the upper part in the shell (1), a core body (5) is embedded at the lower part, and keys are arranged on the surface of the device;

a nixie tube display module, an MCU processor and an analog output module are integrated on the upper circuit board (2);

a power supply transformation module, a 485 communication module and a relay module are integrated on the middle-layer circuit board (3);

a vibration signal acquisition processing module is integrated on the lower circuit board (4);

the key is connected with the vibration signal acquisition and processing module, the core body (5) is connected with the vibration signal acquisition and processing module, the MCU processor is connected with the nixie tube display module, the analog output module, the 485 communication module and the relay module, and the power transformation module is used for changing 24V voltage into positive and negative 12V and positive 5V and supplying power for each module component.

2. The integrated vibration displacement measuring device according to claim 1, wherein: the 485 communication module is provided with a standard MODE BUS communication interface; the MCU processor adopts an ARM processor.

3. The integrated vibration displacement measuring device according to claim 1 or 2, wherein: the analog quantity output module comprises an analog quantity chip of 4-20mA, the relay module comprises 2 alarm relays, and the on-off of the alarm relays is controlled by manually setting alarm values of two groups of switching values through keys.