CN222419258U - Magneto-electric type Integrated sensor - Google Patents
Magneto-electric type Integrated sensor Download PDFInfo
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- CN222419258U CN222419258U CN202420001681.2U CN202420001681U CN222419258U CN 222419258 U CN222419258 U CN 222419258U CN 202420001681 U CN202420001681 U CN 202420001681U CN 222419258 U CN222419258 U CN 222419258U
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- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The utility model discloses a magnetoelectric integrated sensor which comprises a magnet, a coil, a high-performance spring, an upper shielding layer, a lower shielding layer, an adjusting circuit board and a precision measuring circuit board, wherein the magnet is fixed on the lower shielding layer through the high-performance spring, the coil is wound on the outer side of the magnet through a coil bracket, two ends of the coil are connected with one end of a welding needle through leads, the welding needle is connected with the adjusting circuit board and the precision measuring circuit board, and the adjusting circuit board and the precision measuring circuit board are sealed in the upper shielding layer. The sensor has simple integral structure, can realize that the original vibration speed original signal is converted into 4-20mA standard current signal for transmission when the precise measurement circuit board is used for measuring the rotary machinery with smaller volume, meets the requirements of bearing bush vibration for measuring the rotary machinery such as a turbine, a fan and a water pump, corresponds to the measurement range of the selected full range (such as 0-200um or 0-25 mm/s), outputs the standard 4-20mA current signal, and can be directly and remotely transmitted to a data acquisition system such as a PLC, a DCS and the like.
Description
Technical Field
The utility model relates to the technical field of sensors, in particular to a magneto-electric integrated sensor.
Background
The magneto-electric vibration sensor is a sensor which converts input motion speed into induced potential output by utilizing an electromagnetic induction principle and can convert mechanical energy of a measured object into an electric signal which is easy to measure. In the prior art, the internal structure of the magnetoelectric vibration sensor comprises a coil component, magnetic steel, springs and a magnetic conduction shell, wherein the coil component is fixed in the magnetic conduction shell, the magnetic steel is arranged in the magnetic conduction shell, the upper end of the magnetic steel is connected with one end of a spring, the other end of the spring is connected with the upper part of the magnetic conduction shell, the lower end of the magnetic steel is connected with one end of another spring, the other end of the other spring is connected with the lower part of the magnetic conduction shell, and the upper end and the lower end of the magnetic steel are respectively connected with one spring to form a second-order system. The magnetoelectric vibration sensor has the defects that due to the limitation of cost, the prior art generally adopts a common spring, the service life of the spring is limited, the performance can be reduced and even damaged to a certain extent, the prior art mostly adopts an aluminum alloy shell, adopts a screw fixing mode and adopts a non-fully sealing mode, and the mode has weak protectiveness and poor structural stability. In addition, prior art products are generally relatively large in size and relatively heavy in weight.
In view of the above, the present utility model provides a magneto-electric integrated sensor that overcomes the above-mentioned drawbacks.
Disclosure of utility model
The utility model aims to provide a magnetoelectric integrated sensor, which is designed to realize the small size and use stability of the sensor and improve the reliability of products.
In order to achieve the above purpose, the present application provides the following technical solutions:
A magneto-electric integrated sensor comprises a magnet, a coil, a high-performance spring, an upper shielding layer, a lower shielding layer, an adjusting circuit board and a precise measuring circuit board;
the magnet is fixed on the lower shielding layer through the high-performance spring;
the coil is wound on the outer side of the magnet through a coil bracket, two ends of the coil are connected with one end of a welding needle through leads, and the welding needle is connected with the adjusting circuit board and the precision measuring circuit board;
The adjusting circuit board and the precise measurement circuit board are both enclosed in the upper shielding layer.
Preferably, the signal output end of the adjusting circuit board is connected with the signal input end of the precise measuring circuit board;
The precise measurement circuit board detects and converts the signals, outputs 4-20mA standard current signals, and transmits the signals to the remote PLC and DCS data acquisition system.
Preferably, the coils are double coils.
Preferably, the high performance spring is an alloy spring.
Preferably, the other end of the welding pin is connected with the aviation pin through a lead wire, and the aviation pin is fixed on the sensor shell through glass sintering.
Preferably, the aviation pin is gold plated.
Preferably, the sensor housing is made of 304 or 316 stainless steel and is connected with the aviation socket by laser welding.
Preferably, the sensor housing is of a fully sealed design.
Preferably, the sensor is filled with glue.
The application has the following advantages and effects:
(1) The magnetoelectric integrated sensor designed by the application has simple structure, small volume and good use effect, the precision measurement circuit board is additionally arranged on the basis of the magnetoelectric speed sensor, the matching use of the precision measurement circuit board and the adjusting circuit is realized by the smaller volume, in the process of using the magnetoelectric integrated sensor, the adjusting circuit board transmits a measured signal to the precision measurement circuit board, the precision measurement circuit board detects and converts the signal, the original vibration speed original signal is converted into a 4-20mA standard current signal, and the signal can be directly transmitted to a data acquisition system such as a PLC (programmable logic controller), a DCS (distributed control system) and the like, thereby meeting the use of different measuring rotary machines.
(2) In the application, the magnet is fixed on the shielding layer through the high-performance spring, and the high-performance spring is designed by adopting a special alloy material, so that the initial performance can be ensured to be maintained in long-time working, and the reliability and the service life of the product are ensured.
(3) The shielding layer designed in the application not only plays a role of shielding, but also has a fixed function, the shell and the inside of the magnetoelectric integrated sensor are all in a full-sealed design, and the inside of the magnetoelectric integrated sensor adopts a glue filling mode to prevent loosening and short circuit of internal devices, so that the protection is further increased.
The foregoing description is only an overview of the present application, and is intended to provide a better understanding of the technical means of the present application, so that the present application may be practiced according to the teachings of the present specification, and so that the above-mentioned and other objects, features and advantages of the present application may be better understood, and the following detailed description of the preferred embodiments of the present application will be presented in conjunction with the accompanying drawings.
The above and other objects, advantages and features of the present application will become more apparent to those skilled in the art from the following detailed description of the specific embodiments of the present application when taken in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
FIG. 1 is a schematic structural diagram of a magneto-electric integrated sensor provided by the utility model;
The device comprises the following components of a reference numeral 1, a magnet, 2, a coil, 21, a coil support, 3, a high-performance spring, 4, an upper shielding layer, 5, a lower shielding layer, 6, an adjusting circuit board, 7, a precision measuring circuit board, 8, a lead, 9, a welding needle, 10, an aviation contact pin, 11, an aviation socket and 12, and a glue filling layer.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. In the following description, specific details such as specific configurations and components are provided merely to facilitate a thorough understanding of embodiments of the application. It will therefore be apparent to those skilled in the art that various changes and modifications can be made to the embodiments described herein without departing from the scope and spirit of the application. In addition, descriptions of well-known functions and constructions are omitted in the embodiments for clarity and conciseness.
It should be appreciated that reference throughout this specification to "one embodiment" or "this embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the "one embodiment" or "this embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
Furthermore, the present application may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.
The term "and/or" herein is merely one kind of association relation describing the association object, and indicates that three kinds of relations may exist, for example, a and/or B may indicate that a alone exists, B alone exists, and a and B exist simultaneously, and the term "/and" herein is another kind of association object relation describing that two kinds of relations may exist, for example, a/and B may indicate that a alone exists, and a and B exist separately, and in addition, a character "/" herein generally indicates that the association object is an "or" relation.
The term "at least one" is used herein to describe only one association relationship of associated objects, and means that three relationships may exist, for example, at least one of A and B may mean that A exists alone, while A and B exist together, and B exists alone.
It is further noted that relational terms such as first and second, and the like are 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 "comprise," "include," or any other variation thereof, are intended to cover a non-exclusive inclusion.
Example 1
The present embodiment introduces a structure of a magneto-electric integrated sensor.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a magneto-electric integrated sensor according to the present utility model.
A magneto-electric integrated sensor comprises a magnet 1, a coil 2, a high-performance spring 3, an upper shielding layer 4, a lower shielding layer 5, an adjusting circuit board 6 and a precision measuring circuit board 7, wherein the magnet 1 is fixed on the lower shielding layer 4 through the high-performance spring 3, the coil 2 is wound on the outer side of the magnet 1 through a coil bracket 21, two ends of the coil 2 are connected with one end of a welding needle 9 through a lead 8, the welding needle 9 is connected with the adjusting circuit board 6 and the precision measuring circuit board 7, and the adjusting circuit board 6 and the precision measuring circuit board 7 are sealed in the upper shielding layer 4.
Further, the coil 2 is connected to the adjusting circuit board 6 through the lead wire 8, and the adjusting circuit board 6 has functions of judging and processing the induction signals, improving the model output reliability, adjusting the sensitivity of the sensor, the vibration response bandwidth of the sensor and the like. The signal output end of the adjusting circuit board 6 is connected with the signal input end of the precise measuring circuit board 7, the precise measuring circuit board 7 detects and converts signals, outputs 4-20mA standard current signals, can be transmitted to a remote PLC and DCS data acquisition system for later use, and can meet the requirements of the use of different measuring rotary machines.
In a preferred embodiment, the coil 2 is a double-coil design, and the double-coil design can provide a double-path induction signal for improving the reliability of the signal and enhancing the anti-interference performance.
Further, the other end of the welding pin is connected with the aviation contact pin through a lead wire, and the aviation contact pin is fixed on the sensor shell through glass sintering. The sensor shell is connected with the aviation socket in a laser welding mode.
The sensor is simply provided with a precise measurement circuit board on the basis of a magnetoelectric speed sensor, has a simple integral structure, can convert original vibration speed original signals into 4-20mA standard current signals for transmission when the precise measurement circuit board is used for measuring rotary machinery, such as a turbine, a fan and a water pump, is used for measuring bearing bush vibration (absolute vibration) of the rotary machinery, corresponds to a selected full range (such as 0-200um or 0-25 mm/s), and can directly remotely transmit the output standard 4-20mA current signals to a PLC, a DCS and other data acquisition systems.
Example 2
The magnetoelectric integrated sensor according to the present application will be further described with reference to example 1.
In the preferred scheme, the spring used in the magnetoelectric integrated sensor is a high-performance spring designed by adopting special alloy materials, and compared with the common spring used in the existing product, the high-performance spring can maintain the initial performance of the spring under the condition of meeting long-time working in service life, and meanwhile, the service life of the spring cannot be reduced.
In a preferred scheme, the aviation contact pin is of a gold plating design, has good oxidation resistance and is wear-resistant.
In a preferred embodiment, the sensor housing is made of 304 or 316 stainless steel, and the sensor housing is of a fully sealed design, and the inside of the sensor is also filled by glue filling, such as the glue filling layer 12 shown in fig. 1. Through the fully sealed design to sensor shell and inside, improved the performance stability of product greatly. The inner glue filling layer 12 plays a role in preventing the loosening and short circuit of the inner devices, and further improves the stability of the sensor in the use process.
The above description is only of the preferred embodiments of the present utility model and it is not intended to limit the scope of the present utility model, but various modifications and variations can be made by those skilled in the art. Variations, modifications, substitutions, integration and parameter changes may be made to these embodiments by conventional means or may be made to achieve the same functionality within the spirit and principles of the present utility model without departing from such principles and spirit of the utility model.
Claims (9)
1. The magneto-electric integrated sensor is characterized by comprising a magnet (1), a coil (2), a high-performance spring (3), an upper shielding layer (4), a lower shielding layer (5), an adjusting circuit board (6) and a precision measuring circuit board (7);
The magnet (1) is fixed on the lower shielding layer (5) through the high-performance spring (3);
The coil (2) is wound on the outer side of the magnet (1) through a coil bracket (21), two ends of the coil (2) are connected with one end of a welding needle (9) through a lead (8), and the welding needle (9) is connected with the adjusting circuit board (6) and the precision measuring circuit board (7);
the adjusting circuit board (6) and the precise measuring circuit board (7) are enclosed in the upper shielding layer (4).
2. The magnetoelectric integrated sensor according to claim 1, characterized in that the signal output of the adjusting circuit board (6) is connected with the signal input of the precision measuring circuit board (7);
The precise measurement circuit board (7) detects and converts signals, outputs 4-20mA standard current signals, and transmits the signals to the remote PLC and DCS data acquisition system.
3. Magneto-electric integrated sensor according to claim 1, characterized in that the coil (2) is a double coil.
4. A magneto-electric integrated sensor according to claim 1 or 2 or 3, characterized in that the high performance spring (3) is an alloy spring.
5. The magnetoelectric integrated sensor according to claim 4, characterized in that the other end of the soldering pin (9) is connected to an aviation pin (10) by means of the lead wire (8), the aviation pin (10) being fixed to the sensor housing by means of glass sintering.
6. The magneto-electric integrated sensor according to claim 5, characterized in that the aerial pin (10) is of gold-plated design.
7. The magneto-electric integrated sensor according to claim 5, wherein the sensor housing is made of 304 or 316 stainless steel and is connected to the aviation socket (11) by means of laser welding.
8. The magneto-electric integrated sensor of claim 7, wherein said sensor housing is of a hermetically sealed design.
9. The magneto-electric integrated sensor of claim 8, wherein the sensor interior is filled by glue filling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420001681.2U CN222419258U (en) | 2024-01-02 | 2024-01-02 | Magneto-electric type Integrated sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420001681.2U CN222419258U (en) | 2024-01-02 | 2024-01-02 | Magneto-electric type Integrated sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222419258U true CN222419258U (en) | 2025-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420001681.2U Active CN222419258U (en) | 2024-01-02 | 2024-01-02 | Magneto-electric type Integrated sensor |
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| Country | Link |
|---|---|
| CN (1) | CN222419258U (en) |
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- 2024-01-02 CN CN202420001681.2U patent/CN222419258U/en active Active
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