CN218297379U - Vibration sensor - Google Patents

Abstract

The utility model relates to a vibration sensor field provides a vibration sensor, include: detect the body, still include: the utility model discloses a cable, cable sheath, pyrocondensation pipe and connector, it is connected with cable one end through the connector to detect the body output, and the cable overcoat is equipped with the cable sheath, and the cable other end is connected with the connector, and the cable sheath extends to connector department, and pyrocondensation pipe one end suit is on the connector, and pyrocondensation pipe other end suit is on the cable sheath, and the pyrocondensation pipe surrounds partial connector and partial cable sheath setting, the utility model discloses simple structure, convenient to use, there is small gap in the junction that can effectively isolated cable and joint, protects the cable, has waterproof anticorrosion's performance, and uses electromagnetic shield pyrocondensation pipe can avoid receiving outside electromagnetic interference, guarantees that signal reception value is accurate, improves the monitoring precision.

Description

Vibration sensor

Technical Field

The utility model relates to a vibration sensor field has especially related to a vibration sensor.

Background

In the highly developed modern industry, the development of modern test technology towards digitization and informatization is a certain development trend, and the most front end of the test system is a sensor, which is the soul of the whole test system and is listed as the top technology by countries in the world, in particular to the IC technology and the computer technology which are rapidly developed in recent years, so that a good and reliable scientific and technical basis is provided for the development of the sensor. The development of the sensor is changed day by day, and digitization, multifunction and intellectualization are important characteristics of the development of the modern sensor.

The vibration sensor is widely applied to the industrial fields of electric power, rail transit, engineering machinery, aviation, aerospace and the like, and the vibration sensor can achieve the purpose of monitoring the health state of important equipment by measuring vibration acceleration signals. The sensing element of the vibration sensor is a piezoelectric crystal, if an external force is applied along the polarization direction of the piezoelectric crystal to deform the piezoelectric crystal, the interior of the piezoelectric crystal is polarized, charges with opposite polarities appear on two stressed end faces, and if the external force is removed, the piezoelectric crystal returns to an initial state, so that the effect is a positive piezoelectric effect. The vibration sensor converts mechanical energy into electric energy by utilizing the positive piezoelectric effect of the piezoelectric crystal, thereby realizing the measurement of vibration acceleration signals.

As in application No.: CN202120498677.8 discloses a novel acceleration sensor, including the box, the bottom of box be equipped with the base, the base on be equipped with the fixed block, the fixed block on be equipped with acceleration sensor, acceleration sensor's the outside be equipped with the signal line stitch.

Vibration sensor's stitch often can use the cable to connect through the joint when being connected with outside important equipment, and the long distance of being convenient for is monitored, however, there is little gap in the junction of cable and joint, and the corruption that wets easily reduces life.

SUMMERY OF THE UTILITY MODEL

When being connected with outside important equipment, often can use the cable to connect through the joint in order to solve vibration sensor's stitch, the long distance of being convenient for monitors, however, there is small gap in the junction of cable and joint, receives outside electromagnetic interference easily, leads to the signal reception value to deviate, influences the problem of monitoring result, the utility model provides a vibration sensor solves this problem.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a vibration sensor, comprising: detect the body, still include: connector, cable sheath, pyrocondensation pipe and connector, it is connected with cable one end through the connector to detect the body output, and the cable sheath is equipped with to the cable overcoat, and the cable other end is connected with the connector, and the cable sheath extends to connector department, and pyrocondensation pipe one end suit is on the connector, and the pyrocondensation pipe other end suit is on the cable sheath, and the pyrocondensation pipe surrounds partial connector and partial cable sheath setting.

Preferably, the heat shrinkable tube is made of a transparent material.

Preferably, the heat shrinkage tube uses an electromagnetic shielding heat shrinkage tube.

Preferably, the heat shrinkable tube is provided with an identification area.

Preferably, the outer wall of the connector is provided with annular anti-skidding threads.

Preferably, the connector uses a BNC connector.

Preferably, the connector includes: sleeve and connecting piece, sleeve one end is connected with detection body output, and sleeve other end outer wall is provided with the arch, and connecting piece one end is passed through arch and sleeve joint, the connecting piece other end suit is at cable sheath outer wall.

Preferably, the sleeve is made of metal, and the surface of the sleeve is provided with an insulating coating.

The utility model has the advantages that: through using the pyrocondensation pipe to surround at cable and articulate department, can avoid cable and articulate department to suffer from damp corrosion, and still have sealedly, dirt-proof effect, received signal precision has been improved, guarantee the accuracy of monitoring result, can see the operating condition by the cable of cladding and articulate department through using transparent pyrocondensation pipe, because be transparent, can see the ageing degree by the cladding product very clearly, whether operating condition is normal and so on, can effectively keep apart the interference nature height through using electromagnetic shield pyrocondensation pipe, received signal precision has been improved, guarantee the accuracy of monitoring result, can improve the insulating nature of cable and detection body junction through sleeve and the connecting piece that use the metal material surface to have insulating coating, and can prevent that it from receiving electromagnetic interference.

Drawings

The accompanying drawings, which form a part hereof, 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 without undue limitation. In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a cross-sectional view of the connector of the present invention;

fig. 3 is a schematic plan view of the heat shrinkable tube of the present invention.

Description of reference numerals:

1. detecting a body; 2. a connector; 3. a cable; 4. a cable jacket; 5. heat shrink tubing; 6. a connector; 51. an identification area; 21. a sleeve; 22. a connecting member; 211. and (4) protruding.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The first embodiment is described with reference to fig. 1 and 2:

a vibration sensor, comprising: detect body 1, connector 2, cable 3, cable sheath 4, pyrocondensation pipe 5 and connector 6, detect 1 output of body and pass through connector 2 and 3 one end fixed connection of cable, 3 overcoat of cable is equipped with cable sheath 4, 3 other ends of cable and 6 fixed connection of connector, cable sheath 4 extends to 6 departments of connector, 5 one end suit of pyrocondensation pipe is on connector 6, 5 other end suits of pyrocondensation pipe are on cable sheath 4, 5 encircles partial connector 6 and partial cable sheath 4 settings of pyrocondensation pipe, so set up, use pyrocondensation pipe 5 can wrap the partial clearance of 6 and 4 junctions of cable sheath of connector, play the guard action, can also waterproof anticorrosion, and pyrocondensation pipe 5 has soft fire-retardant, insulating function, high durability and convenient use, and convenient installation.

In the second embodiment, the following is described with reference to fig. 3 on the basis of the first embodiment:

the heat shrinkable tube 5 is made of transparent materials, so that the working state of the joint of the coated cable and the joint can be seen by using the transparent heat shrinkable tube, and the aging degree of a coated product, whether the working state is normal or not and the like can be clearly seen due to the transparent color.

In the third embodiment, the following description is made with reference to fig. 3 on the basis of the second embodiment:

preferably, the heat shrinkable tube uses an electromagnetic shielding heat shrinkable tube, and the type of the electromagnetic shielding heat shrinkable tube is a new material type: ZM-ES-2030, its light in weight, construction convenience, at 14 KHz-10 GHz frequency band shielding effectiveness reaches 35 dB-70 dB.

In a fourth embodiment, the following is explained with reference to fig. 3 on the basis of the third embodiment:

be provided with identification area 51 on the pyrocondensation pipe 5, so set up, can carve information such as product model, batch number on pyrocondensation pipe 5, improve the degree of discernment.

In the fifth embodiment, the following description is made with reference to fig. 3 on the basis of the fourth embodiment:

6 outer walls of connector are provided with annular anti-skidding line, 6 BNC connectors that use of connector, so set up, the staff of being convenient for is connected connector 6 and the important equipment of outside monitoring.

In a sixth embodiment, based on the fifth embodiment, the following description is given with reference to fig. 2:

the connector 2 includes: sleeve 21 and connecting piece 22, sleeve 21 one end passes through threaded connection with the 1 output of detection body, and sleeve 21 other end outer wall is provided with arch 211, and connecting piece 22 one end is passed through arch 211 and sleeve 21 joint, and the suit of connecting piece 22 other end is at cable sheath 4 outer wall, sleeve 21 has insulating coating for the metal material surface, and beryllium copper is chooseed for use to the metal, and insulating coating uses aluminium oxide ceramic insulating coating, so sets up, and sleeve 21 that uses the metal material surface to have insulating coating can improve the anti-electromagnetic interference ability of cable 3 with the 1 junction of detection body, and connecting piece 22 is connected with 4 crimping of cable sheath, can play sealed waterproof effect to crimping department, can play insulating effect again, prevents that crimping department electric leakage from causing the potential safety hazard.

The utility model discloses a theory of operation: the utility model discloses during the use, earlier pass through 4 claddings of cable sheath with cable 3, after the cladding, 3 one ends of cable are connected with detection body 1 input, embolia cable 3 with sleeve 21 and connecting piece 22 in proper order again, wherein, the internal diameter of sleeve 21 and connecting piece 22 is the same with 4 external diameters of cable sheath, and install sleeve 21 at the input that detects body 1, then with connecting piece 22 through protruding 211 card at sleeve 21's the other end, then be connected connector 6 with the cable sheath 4 of the 3 other ends of cable, embolia the junction of connector 6 and cable sheath 4 with pyrocondensation pipe 5 again, the heating carries out the high temperature shrink, pyrocondensation pipe 5 carries out the cladding with partial connector 6 and partial cable sheath 4, improve the protective capacities, waterproof anticorrosion, the utility model discloses simple structure, convenient to use, there is small gap in the junction that can effectively isolated cable and connect, the protection cable, have waterproof anticorrosion's performance, and use the pyrocondensation pipe of electromagnetic shield can avoid receiving external electromagnetic interference, guarantee that signal received value is accurate, improve monitoring accuracy.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above, only do the preferred embodiment of the present invention, not used to limit the present invention, all the technical matters of the present invention should be included in the protection scope of the present invention for any slight modification, equivalent replacement and improvement of the above embodiments.

Claims (8)

1. A vibration sensor, comprising: detection body (1), its characterized in that still includes: connector (2), cable (3), cable sheath (4), pyrocondensation pipe (5) and connector (6), it is connected with cable (3) one end through connector (2) to detect body (1) output, cable sheath (4) are equipped with to cable (3) overcoat, the cable (3) other end is connected with connector (6), cable sheath (4) extend to connector (6) department, pyrocondensation pipe (5) one end suit is on connector (6), pyrocondensation pipe (5) other end suit is on cable sheath (4), pyrocondensation pipe (5) surround partial connector (6) and partial cable sheath (4) setting.

2. A vibration sensor according to claim 1, wherein said heat shrink tube (5) is of a transparent material.

3. A vibration sensor according to claim 1, wherein said heat-shrinkable tube (5) uses an electromagnetic shielding heat-shrinkable tube.

4. A vibration sensor according to claim 1, wherein said heat shrinkable tube (5) is provided with a marking area (51).

5. A vibration sensor according to claim 1, characterized in that the outer wall of the connection head (6) is provided with an annular non-slip pattern.

6. A vibration sensor according to claim 1, characterized in that the connector (6) is a BNC connector.

7. A vibration sensor according to claim 1, characterized in that the connector (2) comprises: sleeve (21) and connecting piece (22), sleeve (21) one end is connected with detection body (1) output, and sleeve (21) other end outer wall is provided with arch (211), and connecting piece (22) one end is passed through arch (211) and sleeve (21) joint, connecting piece (22) other end suit are at cable sheath (4) outer wall.

8. A vibration sensor according to claim 7, characterized in that the sleeve (21) is of metal with an insulating coating on its surface.

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