CN214041757U - Double-magnetic-circuit sensor - Google Patents
Double-magnetic-circuit sensor Download PDFInfo
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- CN214041757U CN214041757U CN202120314273.9U CN202120314273U CN214041757U CN 214041757 U CN214041757 U CN 214041757U CN 202120314273 U CN202120314273 U CN 202120314273U CN 214041757 U CN214041757 U CN 214041757U
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- yoke
- magnetic circuit
- circuit sensor
- sensor according
- coils
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Abstract
The utility model provides a double magnetic circuit sensor belongs to the sensor field. The sensor comprises an I-shaped yoke, two permanent magnets, two winding supports, two spring pieces and a connecting rod. Above-mentioned I shape yoke forms two accommodation spaces, and two permanent magnets set up respectively in above-mentioned two accommodation spaces, the central part butt of the N utmost point of permanent magnet and yoke to make the yoke whole become the N utmost point, the both ends of yoke and the S utmost point relative setting of the permanent magnet that corresponds, thereby form stable magnetic field. And the winding supports are respectively sleeved on the two permanent magnets, and the coils are respectively wound on the two winding supports. The end part of the winding bracket is connected with the end part of the yoke iron through a corresponding spring piece; the two ends of the connecting rod are respectively connected with the two spring pieces. During earthquake, the connecting rod can reciprocate, drives two coils cutting magnetic induction line and produces the electromotive force. The two coils are respectively connected with two external devices, so that the electromotive force signals can be stored and analyzed, and reliable data reference is provided for scientific research.
Description
Technical Field
The utility model relates to a magnetic circuit sensor field particularly, relates to a double magnetic circuit sensor.
Background
The magnetoelectric sensor converts the input motion speed into an induced potential in a coil and outputs the induced potential by utilizing the principle of electromagnetic induction. The sensor directly converts the mechanical energy of a measured object into an electric signal to be output, does not need an external power supply during working, and is a typical passive sensor. Existing sensors typically output only one set of emf signals.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a double magnetic circuit sensor, it can export two sets of electromotive force signals under the effect of vibration.
The utility model discloses a realize like this:
a dual magnetic circuit sensor, comprising:
the yoke iron is I-shaped and comprises two accommodating spaces;
the two permanent magnets are respectively arranged in the two accommodating spaces, and N poles or S poles of the two permanent magnets are abutted to the middle part of the yoke iron;
the coil winding device comprises two winding brackets, a winding mechanism and a control mechanism, wherein the two winding brackets are wound with coils, and the coils are provided with wiring ends;
the two spring pieces are respectively connected to two ends of the yoke and are respectively fixedly connected with the two winding supports;
the connecting rod is arranged in a through hole in the middle of the yoke in a sliding mode, and two ends of the connecting rod are connected with the two spring pieces respectively;
when the connecting rod moves, the two coils can generate electromotive force.
And the two wiring boards are respectively connected to two ends of the yoke, and the wiring ends of the coils are connected to the corresponding wiring boards.
Further, the terminal of the coil is connected to the terminal block through a lead spring.
Further, the wiring board and the spring piece are both circular or rectangular.
Furthermore, the yoke is composed of a plurality of stacked magnetic conducting sheets.
Furthermore, the spring piece pressing blocks are arranged at two ends of the yoke and used for fixing the spring piece on the yoke.
Further, both ends of the connecting rod are respectively provided with a fixing piece, and the connecting rod is connected with the spring piece through the fixing piece.
Further, the fixing piece is a nut.
Further, the magnetic iron further comprises two armatures which are respectively arranged in the two containing spaces and abutted against the end parts of the permanent magnets, so that the armatures and the end parts of the yokes form magnetic fields.
Further, the armature is of a bar-shaped block structure.
The utility model has the advantages that:
the utility model discloses a two magnetic circuit sensor that above-mentioned design obtained, during the use, the yoke is connected with mounting (for example building), under the effect of vibration (for example during the earthquake), connecting rod and two coil synchronous vibration to cut magnetic induction line, thereby make two coils all produce the electromotive force signal. The two coils are respectively connected with two external devices, so that the electromotive force signals can be stored and analyzed, and reliable data reference is provided for scientific research.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a cross-sectional view of a dual magnetic circuit sensor according to an embodiment of the present invention.
Icon: icon: 010-a control system; 100-double magnetic circuit sensor; 110-a yoke; 112-an intermediate connection; 114-a border; 120-permanent magnet; 130-a winding frame; 140-a spring leaf; 150-a connecting rod; 161-a first coil; 162-a second coil; 170-an armature; 180-briquetting; 190 — patch panel.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
Example (b):
referring to fig. 1, the present embodiment provides a dual magnetic circuit sensor 100, which includes an i-shaped yoke 110, two permanent magnets 120, two winding brackets 130, two spring pieces 140, and a connecting rod 150. The i-shaped yoke 110 forms two accommodating spaces, the two permanent magnets 120 are respectively arranged in the two accommodating spaces, the N pole of each permanent magnet 120 is abutted to the middle of the yoke 110, so that the yoke 110 is integrally formed into the N pole, and the two ends of the yoke 110 are arranged opposite to the S poles of the corresponding permanent magnets 120, so that a stable magnetic field is formed. The winding supports 130 are respectively sleeved on the two permanent magnets 120, and the coils are respectively wound on the two winding supports 130. The end of the winding bracket 130 is connected with the end of the yoke 110 through a corresponding spring plate 140; the two ends of the connecting rod 150 are connected to the two spring pieces 140, respectively. During earthquake, the connecting rod 150 can reciprocate to drive the two coils to cut the magnetic induction line to generate electromotive force.
Specifically, the yoke 110 includes a middle connection portion 112 and two side frames 114, and both ends of the middle connection portion are perpendicularly connected to the middle portions of the two side frames, respectively. The space between the two frames is separated by the middle connecting part to form two containing spaces; a permanent magnet 120 is disposed in each of the two receiving spaces, and an N pole of the permanent magnet 120 is connected to the intermediate connecting portion and an S pole thereof is connected to the armature. The yoke 110 is made of a magnetic conductive material so that the ends of the two frames are both magnetic (corresponding to the N-pole of the magnet); a stable magnetic field is formed between the end of the rim and the armature corresponding to the S-pole end of the permanent magnet 120.
Both ends of the yoke 110 are provided with a pressing block 180 for fixing the spring piece 140 to the end of the frame and a spring piece 140. The two permanent magnets 120 are also sleeved with winding brackets 130 which are connected with the spring pieces 140; two coils are also sleeved on the winding bracket. The middle connecting part of the yoke, the permanent magnet 120 and the middle part of the armature are provided with a through middle through hole, and a connecting rod 150 is arranged in the middle through hole; the two ends of the connecting rod 150 are connected to the two spring pieces 140, respectively. Specifically, both ends of the connecting rod are provided with external threads, and two nuts are provided, which fix the spring plate and the winding bracket 130, so that the connecting rod, the spring plate and the winding bracket can be vibrated in synchronization.
Furthermore, two wiring boards 190 are respectively arranged on two sides of the yoke 110, and two ends of each wiring board are respectively connected with the pressing block; the two coils are connected to the wiring board through lead springs, respectively. The wiring board is provided with a wiring terminal which can be used for being connected with external equipment.
In this embodiment, the yoke 110 may be formed by stacking a plurality of silicon steel sheets; the spring plate 140 and the wiring board may be rectangular plates.
The operating principle of the dual magnetic circuit sensor 100 is as follows: when in use, the yoke 110 is fixedly connected with a building; when an earthquake occurs, the two wire wound brackets and the connecting rod 150 are vibrated simultaneously by the vibration, thereby generating two sets of electromotive forces. The synchronous output of the acceleration and speed signals can be obtained by recording and processing the two groups of electromotive force signals respectively. Alternatively, one terminal block is connected to the storage (not shown in the figure), and the other terminal block is connected to the other control device 200; the storage stores the electromotive force data and transmits the data to the processor, and the processor processes the electromotive force signals; the control device performs corresponding actions (such as closing the gas valve) under the action of the other group of electromotive force signals.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A dual magnetic circuit sensor, comprising:
the yoke iron is I-shaped and comprises two accommodating spaces;
the two permanent magnets are respectively arranged in the two accommodating spaces, and N poles or S poles of the two permanent magnets are abutted to the middle part of the yoke iron;
the coil winding device comprises two winding brackets, a winding mechanism and a control mechanism, wherein the two winding brackets are wound with coils, and the coils are provided with wiring ends;
the two spring pieces are respectively connected to two ends of the yoke and are respectively fixedly connected with the two winding supports;
the connecting rod is arranged in a through hole in the middle of the yoke in a sliding mode, and two ends of the connecting rod are connected with the two spring pieces respectively;
when the connecting rod moves, the two coils can generate electromotive force.
2. The dual magnetic circuit sensor according to claim 1, wherein:
the two wiring boards are respectively connected to two ends of the yoke, and the wiring ends of the coils are connected to the corresponding wiring boards.
3. A dual magnetic circuit sensor according to claim 2, wherein the terminals of the coil are connected to the terminal block by lead springs.
4. A dual magnetic circuit sensor according to claim 3, wherein the terminal plate and the spring plate are both circular or rectangular.
5. The dual magnetic circuit sensor according to claim 1, wherein said yoke is composed of a plurality of stacked magnetic conductive plates.
6. The dual magnetic circuit sensor according to claim 1, further comprising spring plate pressing pieces provided at both ends of the yoke for fixing the spring plates to the yoke.
7. The dual magnetic circuit sensor according to claim 1, wherein fixing pieces are respectively provided at both ends of the connection rod, and the connection rod is connected to the spring plate through the fixing pieces.
8. A dual magnetic circuit sensor according to claim 7, wherein the fixing member is a nut.
9. The dual magnetic circuit sensor according to claim 1, further comprising two armatures respectively disposed in the two receiving spaces and abutting against the ends of the permanent magnets so that the armatures form magnetic fields with the ends of the yokes.
10. A dual magnetic circuit sensor according to claim 9, wherein the armature is a bar-shaped block structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120314273.9U CN214041757U (en) | 2021-02-05 | 2021-02-05 | Double-magnetic-circuit sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120314273.9U CN214041757U (en) | 2021-02-05 | 2021-02-05 | Double-magnetic-circuit sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214041757U true CN214041757U (en) | 2021-08-24 |
Family
ID=77348520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120314273.9U Expired - Fee Related CN214041757U (en) | 2021-02-05 | 2021-02-05 | Double-magnetic-circuit sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214041757U (en) |
-
2021
- 2021-02-05 CN CN202120314273.9U patent/CN214041757U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210824 Termination date: 20220205 |
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| CF01 | Termination of patent right due to non-payment of annual fee |