CN202188855U - Sensor adjusting mechanism - Google Patents
Sensor adjusting mechanism Download PDFInfo
- Publication number
- CN202188855U CN202188855U CN2011202887647U CN201120288764U CN202188855U CN 202188855 U CN202188855 U CN 202188855U CN 2011202887647 U CN2011202887647 U CN 2011202887647U CN 201120288764 U CN201120288764 U CN 201120288764U CN 202188855 U CN202188855 U CN 202188855U
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- Prior art keywords
- coil
- magnetic conduction
- conduction sheet
- variable inductance
- sensor
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- Expired - Fee Related
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- 238000001514 detection method Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 3
- 230000003750 conditioning effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model discloses a sensor adjustment mechanism, including axis of rotation and variable inductance, its characterized in that: the variable inductor comprises a magnetic conductive sheet and a cylindrical coil, wherein one end of the magnetic conductive sheet is connected with the rotating shaft, the other end of the magnetic conductive sheet is inserted into the cavity of the cylindrical coil, and a notch or/and a through hole are/is formed in the magnetic conductive sheet. The utility model discloses a show the effect and be: the adjustment of variable inductance parameters is realized by changing the physical structure of the magnetic conductive sheet, the processing algorithm in the subsequent circuit is simplified, the detection circuit is easy to realize, and the installation and debugging of the sensor are more convenient.
Description
Technical field
The utility model relates to sensor technology, specifically, is a kind of sensor adjustment mechanism.
Background technology
Adopt the sensor of variable inductance principles to be applied in growing field, its major function is to transfer various physical characteristicss to electrology characteristic, thereby realizes the automatic detection of various parameters.
The characteristics of variable inductance formula sensor are that good reproducibility, temperature tolerance range are wide, but its shortcoming is to regulate linear being difficult for, and existing variable inductance formula sensor adopts solid core usually, and are very high to the uniformity requirement of the homogeneity of iron core processing, coil winding.
The utility model content
The purpose of the utility model is to propose a kind of range of adjustment broad, maneuverable variable inductance transducer governor motion; Adopt the variable inductance transducer of this mechanism assembling; Can simplify the Processing Algorithm of subsequent conditioning circuit, make that sensor is installed, debugging is convenient.
For achieving the above object, the scheme that the utility model adopted is following:
A kind of sensor adjustment mechanism; Comprise rotation axis and variable inductance; Its key is: said variable inductance is made up of magnetic conduction sheet and tubular coil; One end of magnetic conduction sheet is connected with said rotation axis, and the other end of magnetic conduction sheet inserts in the cavity of said tubular coil, on magnetic conduction sheet, also offers breach or/and through hole.
Through offering breach, offering the shape that through hole or the two mode that combines change magnetic conduction sheet, make magnetic conduction sheet at different insertion depths, different magnetic conduction abilities is arranged, thereby the output valve of adjustment variable inductance reaches desired output linearity.
Said magnetic conduction sheet is laminar, is convenient to the cutting of material.
Said magnetic conduction sheet is a circular arc, is convenient to rotation axis and drives its rotation.
Breach on the said magnetic conduction sheet is opened in the circular arc outside, is convenient to the processing of magnetic conduction sheet.
Breach on the said magnetic conduction sheet is V-shaped, is convenient to control the removal amount of flaky material.
When practical adjustments, the quantity of breach or through hole and distribution are calculated according to the initial value of inductance value and the difference between the desired value, and difference is big, and breach is more or darker, and through hole is more or bigger.Difference is little, and breach is less or more shallow, and through hole is less or less.
Said tubular coil is provided with first coil and second coil; Said first coil and second coil are wound on respectively on the bobbin winder bracket of band cavity; Wherein the two ends of first coil lead to the first coil connecting line and the first wire loop line respectively, and the two ends of second coil lead to the second coil connecting line and the second wire loop line respectively.
Telefault constitutes mutual inductor by first coil and second coil, and testing circuit can be confirmed the inductance parameters of variable inductance through the voltage transitions coefficient of measuring between first coil and second coil, thereby confirms location parameter, and testing circuit is easy to realize.
The remarkable result of the utility model is: realize the adjustment of variable inductance parameter through the physical arrangement that changes magnetic conduction sheet, simplified the Processing Algorithm in the subsequent conditioning circuit, testing circuit is easy to realize that sensor is installed, debugging is more convenient.
Description of drawings
Fig. 1 is the mounting structure synoptic diagram of the utility model;
Fig. 2 is the partial enlarged drawing of magnetic conduction sheet 2a among Fig. 1;
Fig. 3 is the structural representation of tubular coil 2b among Fig. 1;
Fig. 4 is the side view of Fig. 3.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is done further explain.
As shown in Figure 1; A kind of sensor adjustment mechanism; Comprise rotation axis 1 and variable inductance 2, said variable inductance 2 is made up of magnetic conduction sheet 2a and tubular coil 2b, and the end of magnetic conduction sheet 2a is connected with said rotation axis 1; The other end of magnetic conduction sheet 2a inserts in the cavity of said tubular line 2b, on magnetic conduction sheet 2a, also offers breach or/and through hole.
The typical application of the utility model is as liquid level sensor; Rotation axis 1 is connected on lever and the float; The tubular coil 2b of variable inductance 2 is electrically connected with circuit board 3 through connecting line, and this liquid level sensor also is provided with an enclosure, and rotation axis 1 is installed in first chamber 4 of enclosure with variable inductance 2; The circuit board 3 that is provided with seal box is positioned at second chamber 5 of enclosure, has only external circuit connection pin V, S, the G of circuit board 3 to stretch out outside enclosure.Float just can drive rotation axis 1 rotation through lever, changes the inductance signal, measures level value.The advantage of this structure is the tolerance of environment strong, and stability is high, and the range of adjustment of output signal is wide, is easy to produce in batches.
Another typical application of the utility model is as potentiometer, through regulating rotation axis 1, drives magnetic conduction sheet 2a rotation; It is inner to be deep into tubular coil 2b; Along with the anglec of rotation of magnetic conduction sheet 2a is different, can obtain different induced signals, thus output different potential signal.
As shown in Figure 2, said magnetic conduction sheet 2a is laminar and is set to circular arc, is convenient to rotation axis and drives its rotation.Breach on the said magnetic conduction sheet 2a is opened in the circular arc outside, and breach is V-shaped, is convenient to the processing of magnetic conduction sheet.
Like Fig. 3; Shown in Figure 4; Said tubular coil 2b is provided with the first coil 2b1 and second coil; The said first coil 2b1 and the second coil 2b2 are wound on the bobbin winder bracket of band cavity respectively) on the bobbin winder bracket 2b3, wherein the two ends of the first coil 2b1 lead to the first coil connecting line V1 and the first wire loop line G1 respectively, and the two ends of the second coil 2b2 lead to the second coil connecting line V2 and the second wire loop line G2 respectively.
Telefault constitutes mutual inductor by first coil and second coil, and testing circuit can be confirmed the inductance parameters of variable inductance through the voltage transitions coefficient of measuring between first coil and second coil, thereby confirms liquid level, and testing circuit is easy to realize.
The principle of work of the utility model is: through offering breach, offering the shape that through hole or the two mode that combines change magnetic conduction sheet; Make magnetic conduction sheet at different insertion depths; Different magnetic conduction abilities is arranged, thus the output valve of adjustment variable inductance, and it is linear to reach desired output; Simplify subsequent algorithm, make that sensor is installed, debugging is convenient.
When practical adjustments, the quantity of breach or through hole and distribution are calculated according to the initial value of inductance value and the difference between the desired value, and difference is big, and breach is more or darker, and through hole is more or bigger.Difference is little, and breach is less or more shallow, and through hole is less or less.
Claims (6)
1. sensor adjustment mechanism; Comprise rotation axis (1) and variable inductance (2); It is characterized in that: said variable inductance (2) is made up of magnetic conduction sheet (2a) and tubular coil (2b); One end of magnetic conduction sheet (2a) is connected with said rotation axis (1), and the other end of magnetic conduction sheet (2a) inserts in the cavity of said tubular coil (2b), on magnetic conduction sheet (2a), also offers breach or/and through hole.
2. sensor adjustment according to claim 1 mechanism is characterized in that: said magnetic conduction sheet (2a) is for laminar.
3. sensor adjustment according to claim 1 mechanism is characterized in that: said magnetic conduction sheet (2a) is circular arc.
4. sensor adjustment according to claim 3 mechanism is characterized in that: the breach on the said magnetic conduction sheet (2a) is opened in the circular arc outside.
5. sensor adjustment according to claim 1 mechanism, it is characterized in that: the breach on the said magnetic conduction sheet (2a) is V-shaped.
6. sensor adjustment according to claim 1 mechanism; It is characterized in that: said tubular coil (2b) is provided with first coil (2b1) and second coil (2b2); Said first coil (2b1) and second coil (2b2) are wound on respectively on the bobbin winder bracket (2b3) of band cavity; Wherein the two ends of first coil (2b1) lead to the first coil connecting line (V1) and the first wire loop line (G1) respectively, and the two ends of second coil (2b2) lead to the second coil connecting line (V2) and the second wire loop line (G2) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202887647U CN202188855U (en) | 2011-08-10 | 2011-08-10 | Sensor adjusting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202887647U CN202188855U (en) | 2011-08-10 | 2011-08-10 | Sensor adjusting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202188855U true CN202188855U (en) | 2012-04-11 |
Family
ID=45920301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202887647U Expired - Fee Related CN202188855U (en) | 2011-08-10 | 2011-08-10 | Sensor adjusting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202188855U (en) |
-
2011
- 2011-08-10 CN CN2011202887647U patent/CN202188855U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120411 Termination date: 20140810 |
|
| EXPY | Termination of patent right or utility model |