CN220171075U - Composite sensor - Google Patents
Composite sensor Download PDFInfo
- Publication number
- CN220171075U CN220171075U CN202320495419.3U CN202320495419U CN220171075U CN 220171075 U CN220171075 U CN 220171075U CN 202320495419 U CN202320495419 U CN 202320495419U CN 220171075 U CN220171075 U CN 220171075U
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- tev
- sensor
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- holes
- shell
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- 239000002131 composite material Substances 0.000 title claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 3
- 239000004677 Nylon Substances 0.000 claims description 23
- 229920001778 nylon Polymers 0.000 claims description 23
- 239000008393 encapsulating agent Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 10
- 238000001514 detection method Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 description 6
- 239000000084 colloidal system Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 230000002452 interceptive effect Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Transducers For Ultrasonic Waves (AREA)
Abstract
The utility model belongs to the technical field of partial discharge detection equipment, and particularly relates to a composite sensor. The utility model comprises the following steps: four layers of ladder through holes are formed in the shell; the ultrasonic sensor is embedded into a second layer of the four-layer stepped through holes; the third-layer TEV sensors of the four-layer stepped through holes are uniformly arranged on the tops of the four-layer stepped through holes, the top surfaces of the TEV sensors are flush with the end surfaces of the shell, the top surfaces of the TEV sensors are also provided with concave-cavity BNC connectors which extend in from the side surfaces of the shell and are respectively electrically connected with the ultrasonic sensors and the TEV sensors, the magnetic attraction blocks are embedded into concave cavities of the TEV sensors, and the upper top surfaces of the magnetic attraction blocks are flush with the top surfaces of the TEV sensors; the sealing gasket is attached to the end faces of the TEV sensor and the shell. The utility model is used for solving the technical problems of complex structure, complicated installation, low assembly efficiency and mutual interference of the sensing equipment integrating the ultrasonic sensor and the TEV sensor in the prior art.
Description
Technical Field
The utility model belongs to the technical field of partial discharge detection equipment, and particularly relates to a composite sensor.
Background
Along with the continuous new construction of the electric power facilities, a large amount of electric power equipment is used, detection is needed in the newly input electric power equipment installation grid-connected work and the daily maintenance work of the electric power equipment, and an ultrasonic sensor and a TEV sensor for detecting partial discharge in the past are independently arranged and used separately; in the detection process, a plurality of detection devices are required to be carried, so that the detection device is not easy to carry; in order to solve this problem, the ultrasonic sensor and the TEV sensor are integrated into the same sensing device, but such sensing device has a complicated structure, complicated installation, low assembly efficiency, and interference with each other.
Disclosure of Invention
The utility model aims to solve the technical problems of complex structure, complicated installation, low assembly efficiency and mutual interference of sensing equipment integrating an ultrasonic sensor and a TEV sensor in the prior art.
The technical scheme for solving the technical problems is as follows: a composite sensor, comprising:
the shell is internally provided with four layers of stepped through holes;
the ultrasonic sensor is embedded into the second layer of the four-layer stepped through holes;
the nylon columns are uniformly arranged on the third layer of the four-layer stepped through holes;
the TEV sensors are arranged at the top ends of the nylon columns, the top surfaces of the TEV sensors are flush with the end surface of the shell, and the top surfaces of the TEV sensors are also provided with concave cavities;
two BNC connectors which extend into the side face of the shell and are respectively electrically connected with the ultrasonic sensor and the TEV sensor;
the magnetic block is embedded into the concave cavity of the TEV sensor, and the upper top surface of the magnetic block is flush with the top surface of the TEV sensor;
and the sealing gasket is attached to the end surfaces of the TEV sensor and the shell.
The four layers of stepped through holes in the shell are the smallest in diameter, and then the diameters of the second layer, the third layer and the fourth layer are sequentially increased, wherein the second layer and the fourth layer are cavities with two different diameters for accommodating an ultrasonic sensor and a TEV sensor, the first layer of through holes can be used for transmitting sound waves to the ultrasonic sensor, and BNC connectors on the side face can be electrically connected with the ultrasonic sensor and the TEV sensor through wires to transmit electric signals; the structure can sequentially embed a plurality of parts from bottom to top, and has simple structure, convenient installation and high overall assembly efficiency.
Further: the casing is cylindrical, the casing still is equipped with a vertical tangent plane, the tangent plane is used for the fixed mounting two BNC connects.
The beneficial effects of the adoption of this step are: the cylindrical shell is easy to hold and attractive, and the BNC connector can be firmly connected by the tangential plane.
Further: the third layer of the four-layer stepped through holes is provided with threaded holes which are uniformly distributed in an annular manner;
one end of the nylon column is provided with a stud, and the stud is screwed with the threaded hole;
the other end of the nylon column is provided with a mounting hole, and the mounting hole is used for being connected with the TEV sensor.
The beneficial effects of the adoption of this step are: the screw bolt and the mounting hole arranged on the nylon column can save the fastener for mounting and improve the mounting efficiency.
Further: the cross section of the nylon column is hexagonal.
The beneficial effects of the adoption of this step are: the hexagonal nylon column can provide three pairs of screwing surfaces, so that the nylon column is convenient to screw, and the installation convenience is improved.
Further: the outer diameter of the TEV sensor is matched with the diameter of a fourth layer of the four-layer stepped through hole.
The beneficial effects of the adoption of this step are: the casing can laminate the outside of TEV sensor, can provide better parcel nature and protectiveness.
Further: and packaging colloid is filled between the ultrasonic sensor and the TEV sensor.
The beneficial effects of the adoption of this step are: the internal packaging colloid can prevent water vapor, can fix the internal ultrasonic sensor and the lead wires, and can prevent the two sensors from interfering with each other.
The beneficial effects of the utility model are as follows:
1. according to the utility model, the four layers of stepped through holes are arranged in the shell, so that the two sensors are sequentially arranged from small to large according to the respective sizes, the installation steps are ensured to be concise and clear, the installation procedure can be saved, and the working efficiency is improved;
2. in the testing process, the magnetic attraction blocks can be utilized to adsorb the composite sensor on metal objects such as an electric cabinet, and the like, so that the composite sensor is not required to be held manually, and the testing work is more convenient.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a cross-sectional view of a composite sensor provided by the present utility model.
Reference numerals:
1-a housing; 2-an ultrasonic sensor; 3-nylon column; a 4-BNC linker; a 5-TEV sensor; 6-magnetic attraction blocks; 7-a gasket;
11-four layers of stepped through holes; 12-cutting; 51-pocket.
Detailed Description
Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model.
It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. In the description of the present utility model, the meaning of "plurality" is two or more unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like 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 can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
Examples
As shown in fig. 1, the composite sensor provided by the present utility model includes:
the shell 1 is internally provided with four layers of step through holes 11;
an ultrasonic sensor 2, wherein the ultrasonic sensor 2 is embedded in a second layer of the four-layer stepped through holes 11;
a plurality of nylon columns 3, wherein the nylon columns 3 are uniformly arranged on the third layer of the four-layer stepped through holes 11;
the TEV sensors 5 are arranged at the top ends of the nylon columns 3, the top surfaces of the TEV sensors 5 are flush with the end surface of the shell 1, and the top surfaces of the TEV sensors 5 are also provided with concave cavities 51;
two BNC connectors 4, the BNC connectors 4 extend from the side surface of the housing 1 and are respectively electrically connected with the ultrasonic sensor 2 and the TEV sensor 5, wherein wires respectively used for connecting the ultrasonic sensor 2 and the TEV sensor 5 are not shown in the figure;
the magnetic block 6 is embedded in the concave cavity 51 of the TEV sensor 5, the upper top surface of the magnetic block 6 is flush with the top surface of the TEV sensor 5, and in the test process, the magnetic block 6 can be used for adsorbing the composite sensor on metal objects such as an electric cabinet, and the like, so that manual holding is not needed, and the test work is more convenient;
and a gasket 7, wherein the gasket 7 is attached to the end surfaces of the TEV sensor 5 and the housing 1.
The four layers of stepped through holes 11 in the shell 1 have the smallest diameter, and then the diameters of the second layer, the third layer and the fourth layer are sequentially increased, wherein the second layer and the fourth layer are cavities with two different diameters for accommodating the ultrasonic sensor 2 and the TEV sensor 5, the first layer of through holes can be used for transmitting sound waves to the ultrasonic sensor 2, and the BNC connector 4 on the side can be electrically connected with the ultrasonic sensor 2 and the TEV sensor 5 through wires for transmitting electric signals; the structure can sequentially embed a plurality of parts from bottom to top, and has simple structure, convenient installation and high overall assembly efficiency.
The housing 1 is cylindrical, the housing 1 is further provided with a vertical tangential plane 12, and the tangential plane 12 is used for fixedly mounting the two BNC connectors 4.
The cylindrical housing 1 is easy to hold and more attractive, while the cut 12 allows a more secure connection of the BNC connector 4.
Wherein, the third layer of the four layers of stepped through holes 11 is provided with threaded holes which are uniformly distributed in an annular way;
one end of the nylon column 3 is provided with a stud, and the stud is screwed with the threaded hole;
the other end of the nylon column 3 is provided with a mounting hole, and the mounting hole is used for being connected with the TEV sensor 5.
The screw bolts and the mounting holes arranged on the nylon column 3 can save fasteners for mounting, reduce the number of parts of the composite sensor and reduce the workload of storage and stock.
Wherein the cross section of the nylon column 3 is hexagonal.
The hexagonal nylon column 3 can provide three pairs of screwing surfaces, so that the nylon column 3 is convenient to screw, and the installation convenience is improved.
Wherein the outer diameter of the TEV sensor 5 is adapted to the fourth layer diameter of the four-layer stepped through hole 11.
The housing 1 can be attached to the outside of the TEV sensor 5, and can provide better wrapping and protection.
Wherein, the encapsulation colloid is injected between the ultrasonic sensor 2 and the TEV sensor 5.
The inner packaging colloid can prevent water vapor, can fix the inner ultrasonic sensor 2 and the wires, and can prevent the two sensors from interfering with each other.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (6)
1. A composite sensor, comprising:
the shell is internally provided with four layers of stepped through holes;
the ultrasonic sensor is embedded into the second layer of the four-layer stepped through holes;
the nylon columns are uniformly arranged on the third layer of the four-layer stepped through holes;
the TEV sensors are arranged at the top ends of the nylon columns, the top surfaces of the TEV sensors are flush with the end surface of the shell, and the top surfaces of the TEV sensors are also provided with concave cavities;
two BNC connectors which extend into the side face of the shell and are respectively electrically connected with the ultrasonic sensor and the TEV sensor;
the magnetic block is embedded into the concave cavity of the TEV sensor, and the upper top surface of the magnetic block is flush with the top surface of the TEV sensor;
and the sealing gasket is attached to the end surfaces of the TEV sensor and the shell.
2. The composite sensor of claim 1 wherein said housing is cylindrical and said housing is further provided with a vertical tangential surface for fixedly mounting two of said BNC connectors.
3. The composite sensor according to claim 1, wherein the third layer of the four-layer stepped through holes is provided with threaded holes which are uniformly distributed in an annular shape;
one end of the nylon column is provided with a stud, and the stud is screwed with the threaded hole;
the other end of the nylon column is provided with a mounting hole, and the mounting hole is used for being connected with the TEV sensor.
4. A composite sensor according to claim 3, wherein the nylon posts are hexagonal in cross section.
5. The composite sensor of claim 1, wherein an outer diameter of the TEV sensor is adapted to a fourth layer diameter of the four layer stepped through hole.
6. The composite sensor of claim 5, wherein an encapsulant is injected between the ultrasonic sensor and the TEV sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320495419.3U CN220171075U (en) | 2023-03-15 | 2023-03-15 | Composite sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320495419.3U CN220171075U (en) | 2023-03-15 | 2023-03-15 | Composite sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220171075U true CN220171075U (en) | 2023-12-12 |
Family
ID=89053603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320495419.3U Active CN220171075U (en) | 2023-03-15 | 2023-03-15 | Composite sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220171075U (en) |
-
2023
- 2023-03-15 CN CN202320495419.3U patent/CN220171075U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |