CN216385975U

CN216385975U - Vibration transmitter with internal protection

Info

Publication number: CN216385975U
Application number: CN202122044807.3U
Authority: CN
Inventors: 吴广; 秦法涛; 何晓琳; 赵宇立; 刘凯; 徐卫; 承敏钢
Original assignee: Jiangsu Xdg Solutions Technology Co ltd
Current assignee: Jiangsu Xdg Solutions Technology Co ltd
Priority date: 2022-02-14
Filing date: 2022-02-14
Publication date: 2022-04-26
Anticipated expiration: 2032-02-14

Abstract

The utility model discloses a vibration transmitter with internal protection, which belongs to the technical field of vibration transmitters and comprises a shell, a circuit board and a wiring harness, wherein the circuit board is arranged in the shell, the wiring harness penetrates through the shell to be connected with the circuit board, epoxy resin is arranged in the shell, the circuit board is positioned on the epoxy resin, a circle of protective shell is arranged on the outer side of the circuit board, the liquid level of the epoxy resin is flush with the top end of the protective shell, the protective shell protects the circuit board, the epoxy resin is semi-wrapped on the protective shell, namely the epoxy resin stabilizes the circuit board while stabilizing the protective shell, the rigid contact between the circuit board and the shell is avoided, the rigid feedback of vibration is reduced, and the damage is avoided.

Description

Vibration transmitter with internal protection

Technical Field

The utility model belongs to the technical field of vibration transmitters, and particularly relates to a vibration transmitter with internal protection.

Background

The vibration transmitter is mainly used for detecting absolute vibration of rotary machinery, such as casing vibration, bearing bush vibration, mechanical vibration and the like. Vibration changes due to rotor imbalance, misalignment, loose machine parts, damaged rolling bearings, damaged gears, etc. are monitored. The sensor is suitable for large-scale rotating machinery such as steam turbines, water turbines, fans, compressors, motors, gear boxes and the like, and is suitable for different types of vibration sensors.

When the vibration transmitter is used for a long time, due to rigid transmission of vibration, an internal circuit board is easy to damage, a wiring harness is easy to loosen, inaccurate detection is caused, and the defect of easy failure is overcome.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

The object of the present invention is to solve the above mentioned drawbacks.

2. Technical scheme

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

the utility model discloses a vibration transmitter with internal protection, which comprises a shell, a circuit board and a wiring harness, wherein the circuit board is arranged in the shell, the wiring harness penetrates through the shell to be connected with the circuit board, epoxy resin is arranged in the shell, the circuit board is positioned on the epoxy resin, a circle of protective shell is arranged on the outer side of the circuit board, and the liquid level of the epoxy resin is flush with the top end of the protective shell.

Preferably, a plurality of fixed columns are arranged in the shell in a circumferential mode, and the shell is mounted on the fixed columns.

Preferably, the bottom of protective housing is equipped with fixed square, and between a plurality of fixed square embedding, the lateral wall of fixed square and the lateral wall laminating of fixed column.

Preferably, be equipped with solidus ware in the shell, solidus ware includes ring and fixed shell fragment, is equipped with two fixed shell fragments in the ring, and two fixed shell fragments are located the diameter of a ring, are equipped with the clearance between two fixed shell fragments, and the pencil is located the clearance, pencil and fixed shell fragment contact.

Preferably, the outer side wall of the ring of the wire fixing device is provided with threads, the inner wall of the shell is provided with threads, and the wire fixing device is in threaded connection with the shell.

Preferably, the outer surface of the shell is provided with an anti-skid surface and a smooth surface, the anti-skid surface and the smooth surface are staggered, and the anti-skid surface and the smooth surface are both semicircular surfaces.

3. Advantageous effects

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

(1) the vibration transmitter with the internal protection can effectively protect the internal circuit board and avoid damage.

(2) The vibration transmitter with the internal protection can protect the wire harness and avoid loosening.

Drawings

FIG. 1 is a schematic diagram of a vibration transmitter with internal protection according to the present invention;

FIG. 2 is a schematic view of an arrangement of a mounting post of a vibration transmitter with internal protection according to the present invention;

FIG. 3 is a schematic diagram of a wire harness having an internally protected vibration transmitter of the present invention;

FIG. 4 is a schematic surface view of a housing of a vibration transmitter with internal protection of the present invention.

The reference numerals in the schematic drawings illustrate:

100. a housing; 110. fixing a column; 120. a wire fixing device; 121. a circular ring; 122. fixing the elastic sheet; 130. an anti-slip surface; 140. a polished surface;

200. a circuit board; 210. a protective shell; 211. fixing the square block;

300. a wire harness;

400. and (3) epoxy resin.

Detailed Description

In order to facilitate an understanding of the utility model, the utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the utility model are shown, but which may be embodied in many different forms and are not limited to the embodiments described herein, but rather are provided for the purpose of providing a more thorough disclosure of the utility model.

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 an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present; 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 herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model; as used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Example 1

Referring to fig. 1 to 4, the vibration transmitter with internal protection of the embodiment includes a housing 100, a circuit board 200, and a wiring harness 300, where the circuit board 200 is installed in the housing 100, the wiring harness 300 passes through the housing 100 to be connected with the circuit board 200, an epoxy resin 400 is provided in the housing 100, the circuit board 200 is located on the epoxy resin 400, a circle of protective shell 210 is provided outside the circuit board 200, a liquid level of the epoxy resin 400 is flush with a top end of the protective shell 210, the protective shell 210 protects the circuit board 200, and the epoxy resin 400 is half-wrapped around the protective shell 210, that is, the epoxy resin 400 stabilizes the circuit board 200 while stabilizing the protective shell 210, and also avoids rigid contact between the circuit board 200 and the housing 100, reduces rigid feedback of vibration, and avoids damage.

The shell 100 of this embodiment is equipped with a plurality of fixed columns 110, a plurality of fixed column 110 circumference range in, and the shell 100 is installed on fixed column 110, and this design's structure, fixed column 110 are fixed a position and are supported shell 100.

The bottom of the protective housing 210 of this embodiment is equipped with fixed square 211, and fixed square 211 imbeds between a plurality of fixes, and the lateral wall of fixed square 211 is laminated with the lateral wall of fixed column 110, and the structure of this design, fixed column 110 will be fixed to be released stably, avoid rocking of fixed square 211, also in vibration energy and frequency transmission reach circuit board 200 simultaneously.

Be equipped with solidus ware 120 in the shell 100 of this embodiment, solidus ware 120 includes ring 121 and fixed column shell fragment 122, be equipped with two fixed column shell fragments 122 in the ring 121, two fixed column shell fragments 122 are located a ring 121's diameter, be equipped with the clearance between two fixed column shell fragments 122, pencil 300 is located the clearance, pencil 300 and the contact of fixed column shell fragment 122, the structure of this design, fixed column shell fragment 122 has elasticity, step up pencil 300 that is located between fixed column shell fragment 122 during the use, avoid rocking that the vibrations that arouse of pencil 300, cause contact failure finally.

In the present embodiment, the outer side wall of the ring 121 of the wire fixing device 120 is provided with threads, the inner wall of the housing 100 is provided with threads, and the wire fixing device 120 is in threaded connection with the housing 100.

The outer surface of the housing 100 of this embodiment is provided with the anti-slip surface 130 and the smooth surface 140, the anti-slip surface 130 and the smooth surface 140 are staggered, and the anti-slip surface 130 and the smooth surface 140 are both semi-ring surfaces, and this designed structure makes the housing 100 be taken away in any direction, so that the anti-slip effect of the anti-slip surface 130 is achieved, and the delicacy of the smooth surface 140 is also maintained.

The above-mentioned embodiments only express a certain implementation mode of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention; it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which are within the protection scope of the present invention; therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A vibration transmitter with internal protection, characterized in that: including shell (100), circuit board (200) and pencil (300), install in shell (100) circuit board (200), pencil (300) pass shell (100) and are connected with circuit board (200), be equipped with epoxy (400) in shell (100), circuit board (200) are located epoxy (400), the circuit board (200) outside is equipped with round protective housing (210), the liquid level of epoxy (400) and the top parallel and level of protective housing (210).

2. The vibration transmitter with internal protection of claim 1, wherein: the shell (100) is internally provided with a plurality of fixing columns (110), the fixing columns (110) are arranged in a circumferential mode, and the shell (100) is installed on the fixing columns (110).

3. The vibration transmitter with internal protection of claim 2, wherein: the bottom of protective housing (210) is equipped with fixed square (211), fixed square (211) imbeds between a plurality of fixed, the lateral wall laminating of the lateral wall of fixed square (211) and fixed column (110).

4. The vibration transmitter with internal protection of claim 1, wherein: the wire fixing device is characterized in that a wire fixing device (120) is arranged in the shell (100), the wire fixing device (120) comprises a circular ring (121) and fixing column elastic pieces (122), two fixing column elastic pieces (122) are arranged in the circular ring (121), the two fixing column elastic pieces (122) are located on the diameter of the circular ring (121), a gap is formed between the two fixing column elastic pieces (122), the wiring harness (300) is located in the gap, and the wiring harness (300) is in contact with the fixing column elastic pieces (122).

5. The vibration transmitter with internal protection of claim 4, wherein: the thread fixing device is characterized in that threads are arranged on the outer side wall of a circular ring (121) of the thread fixing device (120), threads are arranged on the inner wall of the shell (100), and the thread fixing device (120) is in threaded connection with the shell (100).

6. The vibration transmitter with internal protection of claim 1, wherein: the outer surface of the shell (100) is provided with an anti-skid surface (130) and a smooth surface (140), the anti-skid surface (130) is staggered with the smooth surface (140), and the anti-skid surface (130) and the smooth surface (140) are both semi-annular surfaces.