CN213396920U - Electric eddy current sensor - Google Patents
Electric eddy current sensor Download PDFInfo
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- CN213396920U CN213396920U CN202022342405.7U CN202022342405U CN213396920U CN 213396920 U CN213396920 U CN 213396920U CN 202022342405 U CN202022342405 U CN 202022342405U CN 213396920 U CN213396920 U CN 213396920U
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- eddy current
- current sensor
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Abstract
The utility model discloses an eddy current sensor, which comprises an eddy current coil, a probe shell, a shell position adjusting screw thread, a printed circuit board, a clamping nut, an output shielding cable, a cable plug and a spanner, wherein the eddy current coil is arranged in the probe shell, the eddy current coil is connected with the probe shell in an embedding way, the surface of the probe shell is provided with the shell position adjusting screw thread, the shell position adjusting screw thread is connected with the probe shell in an embedding way, the printed circuit board is arranged in the probe shell, the clamping nut is arranged on the surface of the shell position adjusting screw thread, the output shielding cable is arranged on the right side of the probe shell, the cable plug is arranged at the bottom of the output shielding cable, the spanner is arranged at the top of the output shielding cable, and the eddy current sensor can effectively dissipate heat when the temperature of circuits and devices in the sensor rises through the heat dissipation holes arranged on the device, this novel structure is with low costs, easily uses widely.
Description
Technical Field
The utility model relates to a sensor equipment technical field specifically is an eddy current sensor.
Background
People must resort to sense organs in order to obtain information from the outside, and their functions are far from sufficient in studying natural phenomena and laws and production activities, depending on their own sense organs. To accommodate this, a sensor is required. Thus, the sensor is an extension of the human five sense organs, also known as the electro five sense organs. The sensor is a detection device, can feel the measured information, and can convert the felt information into an electric signal or other information output in a required form according to a certain rule so as to meet the requirements of information transmission, processing, storage, display, recording, control and the like, and the sensor is characterized by comprising: the system is mainly used for realizing automatic detection and automatic control. The existence and development of the sensor can lead objects to have senses such as touch, taste, smell and the like, lead the objects to slowly become alive, and generally divide the sensors into ten categories such as thermosensitive elements, photosensitive elements, gas sensitive elements, force sensitive elements, magnetic sensitive elements, humidity sensitive elements, sound sensitive elements, radioactive ray sensitive elements, color sensitive elements, taste sensitive elements and the like according to the basic sensing functions of the sensors. The sensor manufactured according to the eddy current effect is called an eddy current sensor, and the eddy current sensor can statically and dynamically measure the distance between a measured metal conductor and the surface of a probe in a non-contact manner, high linearity and high resolution manner. It is a non-contact linearized metrology tool. The eddy current sensor can accurately measure the static and dynamic relative displacement change between a measured body (which must be a metal conductor) and the end surface of the probe;
however, when the existing eddy current sensor is used under the conditions of high environmental temperature and severe environmental conditions, the contact of the sensor is easily damaged, and the output can generate a large difference, so that a novel eddy current sensor is designed, and the problem of inconvenient use of the traditional eddy current sensor is solved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an eddy current sensor to solve current technical defect and the technical requirement that can not reach.
In order to achieve the above object, the utility model provides a following technical scheme: an eddy current sensor comprises an eddy current coil, a probe shell, shell position adjusting threads, a printed circuit board, a clamping nut, an output shielding cable, a cable plug and a wrench, wherein the eddy current coil is arranged inside the probe shell, the eddy current coil is connected with the probe shell in an embedding manner, the shell position adjusting threads are arranged on the surface of the probe shell, the shell position adjusting threads are connected with the probe shell in an embedding manner, the printed circuit board is arranged inside the probe shell, the printed circuit board is connected with the probe shell in an embedding manner, the clamping nut is arranged on the surface of the shell position adjusting threads, the clamping nut is connected with the shell position adjusting threads in an embedding manner, the output shielding cable is arranged on the right side of the probe shell, the output shielding cable is connected with the probe shell in an embedding manner, the cable plug is arranged at the bottom of the output shielding cable, the cable plug is electrically connected with the output shielding cable, and a wrench is arranged at the top of the output shielding cable.
As an optimized implementation mode of the utility model, an eddy current sensor includes the probe casing, and the casing is the cuboid, adopts high temperature resistant material to make.
As a preferred embodiment of the utility model, probe casing left side is equipped with the louvre, and the louvre is connected through the mode of inlaying with probe casing, and the louvre is the square.
As a preferred embodiment of the utility model, probe casing right side is equipped with power indicator, and power indicator passes through electric wire electric connection with the probe casing, and the bright lamp of power indicator is red.
As a preferred embodiment of the utility model, probe casing right side is equipped with threshold value pilot lamp, and threshold value pilot lamp passes through electric wire electric connection with the probe casing, and the bright lamp of threshold value pilot lamp is blue.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. compared with the traditional eddy current sensor, the improved eddy current sensor is provided with the probe shell on the equipment, and the shell is made of high-temperature-resistant materials, so that the contact of the sensor is not easy to be damaged under the conditions of higher environmental temperature and severe environmental conditions, and the output cannot generate larger difference.
2. Compared with the traditional eddy current sensor, the improved eddy current sensor is provided with the heat dissipation holes on the equipment, the circuit and devices in the sensor can cause abnormal work or damage if the temperature is too high, and the heat dissipation holes are cooled to ensure that the temperature cannot rise too high, so that the normal work is ensured.
Drawings
Fig. 1 is a schematic view of an internal structure of an eddy current sensor according to the present invention;
fig. 2 is a schematic view of an external structure of an eddy current sensor according to the present invention;
fig. 3 is a schematic structural view of a clamping nut of an eddy current sensor according to the present invention;
in the figure: the device comprises an eddy current coil-1, a probe shell-2, a shell position adjusting thread-3, a printed circuit board-4, a clamping nut-5, a power indicator-6, a threshold indicator-7, an output shielding cable-8, a cable plug-9, a heat dissipation hole-10 and a wrench-11.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: an eddy current sensor comprises an eddy current coil 1, a probe shell 2, a shell position adjusting thread 3, a printed circuit board 4, a clamping nut 5, an output shielding cable 8, a cable plug 9 and a wrench 11, wherein the eddy current coil 1 is arranged inside the probe shell 2, the eddy current coil 1 is connected with the probe shell 2 in an embedding mode, the shell position adjusting thread 3 is arranged on the surface of the probe shell 2, the shell position adjusting thread 3 is connected with the probe shell 2 in an embedding mode, the printed circuit board 4 is arranged inside the probe shell 2, the printed circuit board 4 is connected with the probe shell 2 in an embedding mode, the clamping nut 5 is arranged on the surface of the shell position adjusting thread 3, the clamping nut 5 is connected with the shell position adjusting thread 3 in an embedding mode, the output shielding cable 8 is arranged on the right side of the probe shell 2, output shielded cable line 8 is connected through the mode of inlaying with probe casing 2, output shielded cable line 8 bottom is equipped with cable plug 9, cable plug 9 and output shielded cable line 8 electric connection, output shielded cable line 8 top is equipped with the spanner.
The eddy current sensor comprises a probe shell 2, wherein the shell is a cuboid and is made of high-temperature-resistant materials.
The left side of the probe shell 2 is provided with a heat dissipation hole 10, the heat dissipation hole 10 is connected with the probe shell 2 in an embedding mode, and the heat dissipation hole 10 is square.
When using the utility model relates to an eddy current sensor, under the state of confirming an eddy current sensor ability normal operating, with cable plug 9 circular telegram, power indicator 6 can light, the sensor begins to work, when being surveyed the distance between metal and the probe and changing, eddy current coil 1's Q value also changes in the probe, the change of Q value arouses the change of oscillating voltage amplitude, and this oscillating voltage along with the distance change is through detecting, the filtering, linear compensation, it changes to enlarge the normalization processing and change voltage (electric current), it converts voltage (electric current) into finally to accomplish mechanical displacement (clearance).
The eddy current coil 1, the probe shell 2, the shell position adjusting screw thread 3, the printed circuit board 4, the clamping nut 5, the power indicator lamp 6, the threshold indicator lamp 7, the output shielding cable 8, the cable plug 9, the heat dissipation holes 10 and the wrench 11 of the utility model are all parts known by general standard parts or technicians in the field, and the structure and the principle of the parts can be known by technical manuals or conventional experimental methods, the problem solved by the utility model is that when the existing eddy current sensor is used under the conditions of high environmental temperature and severe environmental conditions, the contact of the sensor is easy to be damaged, the output can generate larger difference, the utility model can be realized by the mutual combination of the parts, the temperature of the eddy current sensor can be ensured not to rise too high by arranging the heat dissipation holes and the probe shell on the equipment, ensuring normal work.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. 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.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides an eddy current sensor, includes eddy current coil (1), probe casing (2), casing position control screw thread (3), printed wiring board (4), centre gripping nut (5), output shielded cable line (8), cable plug (9), spanner (11), its characterized in that: the probe is characterized in that an eddy current coil (1) is arranged inside a probe shell (2), the eddy current coil (1) is connected with the probe shell (2) in an embedded mode, a shell position adjusting thread (3) is arranged on the surface of the probe shell (2), the shell position adjusting thread (3) is connected with the probe shell (2) in an embedded mode, a printed circuit board (4) is arranged inside the probe shell (2), the printed circuit board (4) is connected with the probe shell (2) in an embedded mode, a clamping nut (5) is arranged on the surface of the shell position adjusting thread (3), the clamping nut (5) is connected with the shell position adjusting thread (3) in an embedded mode, an output shielding cable (8) is arranged on the right side of the probe shell (2), the output shielding cable (8) is connected with the probe shell (2) in an embedded mode, a cable plug (9) is arranged at the bottom of the output shielding cable (8), the cable plug (9) is electrically connected with the output shielding cable (8), and a wrench is arranged at the top of the output shielding cable (8).
2. An eddy current sensor according to claim 1, wherein: the eddy current sensor comprises a probe shell (2), wherein the shell is a cuboid and is made of high-temperature-resistant materials.
3. An eddy current sensor according to claim 1, wherein: the heat dissipation device is characterized in that a heat dissipation hole (10) is formed in the left side of the probe shell (2), the heat dissipation hole (10) is connected with the probe shell (2) in an embedded mode, and the heat dissipation hole (10) is square.
4. An eddy current sensor according to claim 1, wherein: probe casing (2) right side is equipped with power indicator (6), and power indicator (6) pass through electric wire electric connection with probe casing (2), and power indicator (6) bright lamp is red.
5. An eddy current sensor according to claim 1, wherein: probe casing (2) right side is equipped with threshold value pilot lamp (7), and threshold value pilot lamp (7) pass through electric wire electric connection with probe casing (2), and threshold value pilot lamp (7) are bright for blue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022342405.7U CN213396920U (en) | 2020-10-20 | 2020-10-20 | Electric eddy current sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022342405.7U CN213396920U (en) | 2020-10-20 | 2020-10-20 | Electric eddy current sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213396920U true CN213396920U (en) | 2021-06-08 |
Family
ID=76188895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022342405.7U Active CN213396920U (en) | 2020-10-20 | 2020-10-20 | Electric eddy current sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213396920U (en) |
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2020
- 2020-10-20 CN CN202022342405.7U patent/CN213396920U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220511 Address after: 201500 No. 1, Lane 55, Shanfu East Road, Shanyang Town, Jinshan District, Shanghai Patentee after: Shanghai linggao Precision Machinery Co.,Ltd. Address before: 323500 Room 505, 15 Hexi Garden, Hexi Street, Jingning She Autonomous County, Lishui City, Zhejiang Province Patentee before: JINGNING WEIYA TOY DESIGN STUDIO CO.,LTD. |
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| TR01 | Transfer of patent right |