Integrated vibration monitoring device

Abstract

The utility model discloses an integrated vibration monitoring device, and relates to the technical field of vibration monitoring devices. The chemical vibration monitoring device comprises a shell base, the upper end of the shell base is fixedly connected with a hollow shell, the upper end of the shell is fixedly connected with an aviation socket, the interior of the aviation socket is fixedly connected with an aviation contact pin, the upper end of the interior of the shell is provided with two circuit boards, and the two circuit boards are connected with the aviation contact pin. Three welding pins are fixedly connected to the periphery of the interior of the two circuit boards in an array mode, piezoelectric ceramics are arranged in the shell and located at the upper end of a shell base, a mass block is placed in the middle of the upper surface of the piezoelectric ceramics, and a high-strength insulating bolt is inserted and connected into the mass block; the lower end of the high-strength insulating bolt penetrates through the piezoelectric ceramic to be connected with the upper end of the interior of the shell base through threads, the lower end of the aviation contact pin is electrically connected with the welding pin through a connecting wire, and the lower end circuit board is electrically connected with the piezoelectric ceramic through a connecting wire.

Description

TECHNICAL FIELD

[0001] The utility model relates to vibration monitoring device technical field, concretely is integration vibration monitoring device. BACKGROUND

[0002] Vibration monitoring device is a kind of equipment that can perceive, measure and analyze the vibration state of object. Its working principle is to utilize the physical effect generated when object vibrates, and the internal sensitive element receives vibration and converts it into electrical signal or physical quantity signal, then by conversion circuit amplification, filtering etc. processing, finally output is measurable signal, widely applied in the main engine of power plant generator set, auxiliary machine, has many advantages. The existing vibration monitoring device is mostly in the form of vibration secondary meter with vibration sensor, sensitivity reaches 300mv / g, there is not sensitive, low precision, low reliability problem, using the measuring point to do vibration protection, there is the risk of misoperation and refusal to operate, unable to meet the requirements of fan thermal protection regulation, and also affect the operation personnel's monitoring disk. Therefore a kind of integration vibration monitoring device is designed to solve the above problems. UTILITARY MODEL CONTENTS

[0003] (One) technical problem solved

[0004] In view of the deficiencies of prior art, the utility model provides integration vibration monitoring device, solves the problem that the existing vibration monitoring device is mostly in the form of vibration secondary meter with vibration sensor for detection and transmission, and has low sensitivity, precision and reliability.

[0005] (Two) technical scheme

[0006] To achieve the above object, the utility model is realized by the following technical scheme:

[0007] The utility model provides integration vibration monitoring device, include: shell base, the upper end of shell base is fixedly connected with the inside hollow shell, the upper end of shell is fixedly connected with aviation socket, the inside of aviation socket is fixedly connected with aviation pin, the inside upper end of shell is provided with two circuit boards, the inside one week of two circuit boards is fixedly connected with three soldering pins in array, soldering pin and circuit board are electrically connected, the inside of shell and located the upper end of shell base are provided with piezoelectric ceramics, the upper surface middle of piezoelectric ceramics is placed with mass block, the inside insertion of mass block is connected with high-strength insulating bolt, the lower end of high-strength insulating bolt is connected through thread in the inside upper end of piezoelectric ceramics and shell base, the lower end of aviation pin and soldering pin, lower end circuit board and piezoelectric ceramics are electrically connected through connecting line.

[0008] Preferably, the inside of the shell is provided with an inner shielding layer, the inner shielding layer is wrapped outside the piezoelectric ceramic and the mass block, and the upper end of the inner shielding layer is wrapped outside the high-strength insulating bolt.

[0009] Preferably, the lower end of the piezoelectric ceramic is fixedly connected with the lower end of the inner shielding layer, the inner shielding layer is connected with the outer shielding layer, and the lower end of the outer shielding layer is connected with the upper surface of the shell base.

[0010] Preferably, the inside of the shell is filled with encapsulation glue.

[0011] Preferably, the lower end of the shell base is internally provided with a mounting hole.

[0012] Preferably, the shell base and the shell are made of 316 stainless steel.

[0013] Preferably, the lower surface of the shell base is fixedly connected with a gasket.

[0014] (Three) beneficial effects

[0015] The integrated vibration monitoring device provided by the utility model has at least the following beneficial effects compared with the prior art:

[0016] The vibration monitoring device cancels the on-site vibration secondary instrument, adopts the integrated mode with high precision and stability for vibration measurement, has high vibration sensor sensitivity, has 4-20mA and original vibration signal output, the output signal can be independently connected to a DCS card, the authenticity of measurement data is ensured, the risk of misoperation and refusal to operate is reduced, and the system reliability and the safety of boiler important auxiliary protection are greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the utility model;

[0018] Figure 2 It is a sectional view of the utility model; Figure 1

[0019] It is an internal structure view of the utility model; Figure 3

[0020] It is a sectional view of the utility model. Figure 4 Figure 3

[0021] ​​In the figure: 1, the shell base; 2, the shell; 3, the aviation socket; 4, the aviation pin; 5, the circuit board; 6, the welding needle; 7, the piezoelectric ceramic; 8, the mass block; 9, the high-strength insulating bolt; 10, the connecting wire; 21, the inner shielding layer; 22, the outer shielding layer; 23, the insulating layer one; 24, the insulating layer two; 25, the insulating layer three; 26, the mounting hole. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0023] Please refer to Figures 1-4 The utility model provides a technical scheme: integrated vibration monitoring device, include: shell base 1, the upper end fixedly connected with the inside hollow shell 2 of shell base 1, the upper end fixedly connected with aviation socket 3 of shell 2, the inside fixedly connected with aviation pin 4 of aviation socket 3, the inside upper end of shell 2 is provided with two circuit boards 5, and the inside one week of two circuit boards 5 is fixedly connected with three welding needles 6 in array, and welding needle 6 and circuit board 5 are electrically connected, and the inside of shell 2 and the upper end of shell base 1 are provided with piezoelectric ceramic 7, the upper surface middle of piezoelectric ceramic 7 is placed with mass block 8, the inside insertion of mass block 8 is connected with high-strength insulating bolt 9, and the lower end of high-strength insulating bolt 9 is connected through thread with the inside upper end of piezoelectric ceramic 7 and shell base 1, and the lower end of aviation pin 4 and welding needle 6, the lower end circuit board 5 and piezoelectric ceramic 7 are all electrically connected through connecting wire 10.

[0024] When using, the lower surface of shell base 1 is fixedly connected on the induced draft fan, then DCS 4-20mA signal line is connected on the aviation socket 3 of the upper end of shell 2, the other end of DCS 4-20mA signal line is connected with the induced draft fan DCS system, after starting the induced draft fan, piezoelectric ceramic 7 will be compressed due to mass block 8 and high-strength insulating bolt 9, and the vibration of induced draft fan will cause the change of surface pressure of piezoelectric ceramic 7, so that the surface generates electric charge, and the signal of the electric charge is conducted to circuit board 5 through connecting wire 10, and after receiving the signal conversion, circuit board 5 is conducted out through welding needle 6, and then is conducted to aviation pin 4 through the upper end connecting wire 10, and is conducted to the induced draft fan DCS system through DCS 4-20mA signal line, and is displayed on the picture of operator after judging through the system.

[0025] As Figures 1-4As shown in the utility model embodiment, the inside of the shell 2 is provided with an inner shielding layer 21, the inner shielding layer 21 is wrapped on the outer side of the piezoelectric ceramic 7 and the mass block 8 and the upper end of the high-strength insulating bolt 9, the outer side of the inner shielding layer 21 is wrapped with an outer shielding layer 22, and the upper end of the outer shielding layer 22 is located at the upper end of the circuit board 5.

[0026] As shown in the utility model embodiment, the inside of the shell 2 is provided with an inner shielding layer 21, the inner shielding layer 21 is wrapped on the outer side of the piezoelectric ceramic 7 and the mass block 8 and the upper end of the high-strength insulating bolt 9, the outer side of the inner shielding layer 21 is wrapped with an outer shielding layer 22, and the upper end of the outer shielding layer 22 is located at the upper end of the circuit board 5.

[0027] As shown in the utility model embodiment, the inside of the shell 2 is provided with an inner shielding layer 21, the inner shielding layer 21 is wrapped on the outer side of the piezoelectric ceramic 7 and the mass block 8 and the upper end of the high-strength insulating bolt 9, the outer side of the inner shielding layer 21 is wrapped with an outer shielding layer 22, and the upper end of the outer shielding layer 22 is located at the upper end of the circuit board 5. Figures 1-4 As shown in the utility model embodiment, the inside of the shell 2 is provided with an inner shielding layer 21, the inner shielding layer 21 is wrapped on the outer side of the piezoelectric ceramic 7 and the mass block 8 and the upper end of the high-strength insulating bolt 9, the outer side of the inner shielding layer 21 is wrapped with an outer shielding layer 22, and the upper end of the outer shielding layer 22 is located at the upper end of the circuit board 5.

[0028] As shown in the utility model embodiment, the inside of the shell 2 is provided with an inner shielding layer 21, the inner shielding layer 21 is wrapped on the outer side of the piezoelectric ceramic 7 and the mass block 8 and the upper end of the high-strength insulating bolt 9, the outer side of the inner shielding layer 21 is wrapped with an outer shielding layer 22, and the upper end of the outer shielding layer 22 is located at the upper end of the circuit board 5.

[0029] Figures 1-4 As shown in the utility model embodiment, the inside of the shell 2 is provided with an inner shielding layer 21, the inner shielding layer 21 is wrapped on the outer side of the piezoelectric ceramic 7 and the mass block 8 and the upper end of the high-strength insulating bolt 9, the outer side of the inner shielding layer 21 is wrapped with an outer shielding layer 22, and the upper end of the outer shielding layer 22 is located at the upper end of the circuit board 5.

[0030] As shown in the utility model embodiment, the inside of the shell 2 is provided with an inner shielding layer 21, the inner shielding layer 21 is wrapped on the outer side of the piezoelectric ceramic 7 and the mass block 8 and the upper end of the high-strength insulating bolt 9, the outer side of the inner shielding layer 21 is wrapped with an outer shielding layer 22, and the upper end of the outer shielding layer 22 is located at the upper end of the circuit board 5.

[0031] As shown in the utility model embodiment, the inside of the shell 2 is provided with an inner shielding layer 21, the inner shielding layer 21 is wrapped on the outer side of the piezoelectric ceramic 7 and the mass block 8 and the upper end of the high-strength insulating bolt 9, the outer side of the inner shielding layer 21 is wrapped with an outer shielding layer 22, and the upper end of the outer shielding layer 22 is located at the upper end of the circuit board 5. Figures 1-4 As shown in the utility model embodiment, the inside of the shell 2 is provided with an inner shielding layer 21, the inner shielding layer 21 is wrapped on the outer side of the piezoelectric ceramic 7 and the mass block 8 and the upper end of the high-strength insulating bolt 9, the outer side of the inner shielding layer 21 is wrapped with an outer shielding layer 22, and the upper end of the outer shielding layer 22 is located at the upper end of the circuit board 5.

[0032] As shown in the utility model embodiment, the inside of the shell 2 is provided with an inner shielding layer 21, the inner shielding layer 21 is wrapped on the outer side of the piezoelectric ceramic 7 and the mass block 8 and the upper end of the high-strength insulating bolt 9, the outer side of the inner shielding layer 21 is wrapped with an outer shielding layer 22, and the upper end of the outer shielding layer 22 is located at the upper end of the circuit board 5.

[0033] Figures 1-4 As shown in the utility model embodiment, the inside of the shell 2 is provided with an inner shielding layer 21, the inner shielding layer 21 is wrapped on the outer side of the piezoelectric ceramic 7 and the mass block 8 and the upper end of the high-strength insulating bolt 9, the outer side of the inner shielding layer 21 is wrapped with an outer shielding layer 22, and the upper end of the outer shielding layer 22 is located at the upper end of the circuit board 5.

[0034] ​​It can be known from the analysis of the above structure that the shell base 1 and the shell 2 are made of 316 stainless steel, which can further strengthen the corrosion resistance of the equipment, prolong the service life and stability during use.

[0035] As shown in Figures 1-4 The utility model embodiment provides an implementation, based on the above implementation, the lower surface of the shell base 1 is fixedly connected with a gasket.

[0036] It can be known from the analysis of the above structure that the gasket fixed on the lower surface of the shell base 1 can ensure the stability after connection.

[0037] It should be noted that in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0038] Although the embodiments of the utility model have been shown and described, it should be understood that, for those skilled in the art, various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An integrated vibration monitoring device, characterized by Include: The upper end of the shell base (1) is fixedly connected with the hollow shell (2), the upper end of the shell (2) is fixedly connected with the aviation socket (3), the inside of the aviation socket (3) is fixedly connected with the aviation pin (4), the inside of the upper end of the shell (2) is provided with two circuit boards (5), the inside of the two circuit boards (5) is fixedly connected with three welding needles (6) in an array, the welding needle (6) and the circuit board (5) are electrically connected, the inside of the shell (2) and the upper end of the shell base (1) are provided with piezoelectric ceramic (7), the upper surface of the piezoelectric ceramic (7) is placed with a mass block (8), the inside of the mass block (8) is inserted with a high-strength insulating bolt (9), the lower end of the high-strength insulating bolt (9) passes through the piezoelectric ceramic (7) and is connected with the inside of the upper end of the shell base (1) by screw thread, the lower end of the aviation pin (4) and the welding needle (6), the lower end of the circuit board (5) and the piezoelectric ceramic (7) are electrically connected by the wire (10).

2. The integrated vibration monitoring device of claim 1, wherein: The inside of the shell (2) is provided with an inner shielding layer (21), the inner shielding layer (21) is wrapped outside the piezoelectric ceramic (7), the mass block (8) and the upper end of the high-strength insulating bolt (9), the outside of the inner shielding layer (21) is wrapped with an outer shielding layer (22), the upper end of the outer shielding layer (22) is located at the upper end of the circuit board (5).

3. The integrated vibration monitoring device of claim 2, wherein: The lower end of the piezoelectric ceramic (7) and the lower end of the inner shielding layer (21) are fixedly connected with an insulating layer one (23), the inner shielding layer (21) and the outer shielding layer (22) are connected with an insulating layer two (24), the lower end of the outer shielding layer (22) and the upper surface of the shell base (1) are connected with an insulating layer three (25).

4. The integrated vibration monitoring device of claim 2, wherein: The inside of the shell (2) is filled with encapsulation glue.

5. The integrated vibration monitoring device of claim 1, wherein: The lower end of the shell base (1) is provided with a mounting hole (26).

6. The integrated vibration monitoring device of claim 1, wherein: The shell base (1) and the shell (2) are made of 316 stainless steel.

7. The integrated vibration monitoring device of claim 1, wherein: The lower surface of the shell base (1) is fixedly connected with a gasket.

Images