CN209166336U - A kind of magneto-dependent sensor for linear movement measuring - Google Patents
A kind of magneto-dependent sensor for linear movement measuring Download PDFInfo
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- CN209166336U CN209166336U CN201822231257.4U CN201822231257U CN209166336U CN 209166336 U CN209166336 U CN 209166336U CN 201822231257 U CN201822231257 U CN 201822231257U CN 209166336 U CN209166336 U CN 209166336U
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- shell
- displacement
- lines
- magnet steel
- synchronizing bar
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- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The utility model discloses a kind of magneto-dependent sensors for linear movement measuring, including shell, displacement of the lines synchronizing bar, rack gear and shaft, shell is rectangular shape, enclosure interior has cuboid cavity, synchronizing bar, which is provided with, on the left plate of shell walks hole, displacement of the lines synchronizing bar one end end is walked hole across synchronizing bar and is placed in the cuboid cavity of shell, the synchronous boom end of displacement of the lines is fixed with rack gear, bearing is installed on the lower side panel of shell, the first end of shaft is coupled in bearing, and the second end of shaft is fixed with and rack gear pitch wheel；It is fixed with magnet steel mounting base on the outside of gear, magnet steel is installed in magnet steel mounting base, is equipped with electromagnetic signal detection circuit on the inside of the epipleural of shell, electromagnetic signal detection circuit is corresponding with magnet steel.The utility model transmits external displacement of the lines using rack gear, and converts gear rotation for displacement of the lines, drives magnet steel to rotate and generates electromagnetic field variation, the measurement of external displacement of the lines is realized by electromagnetic signal detection circuit.
Description
Technical field
The utility model relates to a kind of magneto-dependent sensor more particularly to a kind of magneto-dependent sensors for linear movement measuring.
Background technique
Magneto-dependent sensor, also known as noncontacting proximity sensor, belong to angle displacement sensor, and main function is object
The angle signal that angle displacement is converted into linear change is fed back.Now magneto-dependent sensor is all angle displacement measurement on the market,
Linear movement pick-up is mainly conventional touch sensor, and this sensor life-time is low, precision is low；It secondly is LVDT, this biography
Sensor need to arrange in pairs or groups decoding circuit use, it is at high cost.
Utility model content
Place in view of the shortcomings of the prior art, the purpose of this utility model is to provide one kind to be used for linear movement measuring
Magneto-dependent sensor, by displacement of the lines synchronizing bar come conductive outer displacement of the lines, displacement of the lines synchronizing bar passes to external displacement of the lines
Rack gear, rack movement band moving gear rotate, and gear drives magnet steel mounting base, magnet steel to rotate synchronously, and magnet steel rotates and electromagnetism occurs
Field variation changes and exports analog electrical signal or digital signal by the reception of electromagnetic signal detection circuit, detection electromagnetic field, passes through
Analog electrical signal or digital signal reflect outer lines misalignment, to realize the measurement of external displacement of the lines.
The purpose of this utility model is achieved through the following technical solutions:
A kind of magneto-dependent sensor for linear movement measuring, including shell, displacement of the lines synchronizing bar, rack gear and shaft, it is described
Shell is rectangular shape, and the shell is made of left plate, front side board, back side panel, epipleural, lower side panel, and the shell is right
Side is open end, and cover board is covered at the open end on the right side of the shell, and the enclosure interior has cuboid cavity, the shell
It is provided with synchronizing bar on the left plate of body and walks hole, displacement of the lines synchronizing bar one end end walks hole across synchronizing bar and is placed in shell
In the cuboid cavity of body, the synchronous boom end of the displacement of the lines is fixed with the rack gear in cuboid cavity, the shell
Bearing is installed on lower side panel, the first end of the shaft is coupled in bearing, the second end of the shaft be fixed with
Rack gear pitch wheel；It is fixed with magnet steel mounting base on the outside of the gear, magnet steel is installed in the magnet steel mounting base, institute
It states and is fixed with circuit substrate on the inside of the epipleural of shell, the circuit substrate is equipped with electromagnetic signal detection circuit, the electromagnetism
Signal deteching circuit is corresponding with magnet steel.
In order to which the utility model is better achieved, the synchronizing bar of the shell, which is walked in hole, is equipped with guiding ball.
Preferably, being provided with bearing hole on the lower side panel of the shell, the bearing is fixedly installed in the bearing hole of shell
In.
The utility model compared with the prior art, have the following advantages that and the utility model has the advantages that
(1) the utility model is by displacement of the lines synchronizing bar come conductive outer displacement of the lines, and displacement of the lines synchronizing bar is by outer lines position
Shifting passes to rack gear, and rack movement band moving gear rotates, and gear drives magnet steel mounting base, magnet steel to rotate synchronously, and magnet steel rotates simultaneously
Electromagnetic field variation occurs, is received by electromagnetic signal detection circuit, detection electromagnetic field changes and export analog electrical signal or number
Signal reflects outer lines misalignment by analog electrical signal or digital signal, to realize the measurement of external displacement of the lines.
(2) displacement of the lines is measured by the utility model, and not only the service life is long, precision is high, but also installs, operates convenient, cost
It is cheap.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the circuit diagram of the utility model electromagnetic signal detection circuit.
Wherein, title corresponding to the appended drawing reference in attached drawing are as follows:
1- shell, 2- cover board, 3- bearing, 4- shaft, 41- gear, 5- magnet steel mounting base, 6- magnet steel, 7- electricity
Base board, 8- electromagnetic signal detection circuit, 9- displacement of the lines synchronizing bar, 10- rack gear.
Specific embodiment
The utility model is described in further detail below with reference to embodiment.
Embodiment
As shown in Figure 1 and Figure 2, a kind of magneto-dependent sensor for linear movement measuring, including shell 1, displacement of the lines synchronizing bar 9,
Rack gear 10 and shaft 4, shell 1 are rectangular shape, and shell 1 is by left plate, front side board, back side panel, epipleural, downside board group
At, it is open end on the right side of shell 1, cover board 2 is covered at the open end on 1 right side of shell, there is cuboid cavity inside shell 1,
It is provided with synchronizing bar on the left plate of shell 1 and walks hole, 9 one end end of displacement of the lines synchronizing bar walks hole across synchronizing bar and is placed in shell
In the cuboid cavity of body 1；The synchronizing bar of the utility model shell 1, which is walked in hole, is equipped with guiding ball, and guiding ball can be auxiliary
Index contour displacement synchronous bar 9 is walked in hole in synchronizing bar to be moved.
As shown in Figure 1,9 end of displacement of the lines synchronizing bar is fixed with the rack gear 10 in cuboid cavity, the downside of shell 1
Bearing 3 is installed on plate, for the ease of the installation of bearing 3, bearing hole is provided on the lower side panel of shell 1, bearing 3 is fixedly installed in
In the bearing hole of shell 1.The first end of shaft 4 is coupled in bearing 3, and the second end of shaft 4 is fixed with and 10 phase of rack gear
Intermeshed gear 41.Be fixed with magnet steel mounting base 5 on the outside of gear 41, magnet steel 6 be installed in magnet steel mounting base 5, shell 1 it is upper
Side plate interior sides are fixed with circuit substrate 7, and circuit substrate 7 is equipped with electromagnetic signal detection circuit 8(electromagnetic signal detection circuit 8
Circuit diagram is as shown in Figure 2), electromagnetic signal detection circuit 8 is corresponding with magnet steel 6.
The utility model is by displacement of the lines synchronizing bar 9 come conductive outer displacement of the lines, and displacement of the lines synchronizing bar 9 is by external displacement of the lines
Rack gear 10 is passed to, the movement band moving gear 41 of rack gear 10 rotates, and gear 41 drives magnet steel mounting base 5, magnet steel 6 to rotate synchronously, magnetic
Steel 6 rotates and occurs electromagnetic field variation, is received by electromagnetic signal detection circuit 8, detection electromagnetic field changes and exports simulation electricity
Signal or digital signal reflect outer lines misalignment by analog electrical signal or digital signal, to realize outer lines
The precise measurement of displacement.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (3)
1. a kind of magneto-dependent sensor for linear movement measuring, it is characterised in that: including shell (1), displacement of the lines synchronizing bar (9),
Rack gear (10) and shaft (4), the shell (1) be rectangular shape, the shell (1) by left plate, front side board, back side panel,
Epipleural, lower side panel composition, shell (1) right side is open end, is covered with cover board at the open end on the right side of the shell (1)
(2), there is cuboid cavity inside the shell (1), be provided with synchronizing bar on the left plate of the shell (1) and walk hole, it is described
Displacement of the lines synchronizing bar (9) one end end is walked hole across synchronizing bar and is placed in the cuboid cavity of shell (1), the displacement of the lines
Synchronizing bar (9) end is fixed with the rack gear (10) in cuboid cavity, is equipped with bearing on the lower side panel of the shell (1)
(3), the first end of the shaft (4) is coupled in bearing (3), and the second end of the shaft (4) is fixed with and rack gear
(10) pitch wheel (41)；It is fixed with magnet steel mounting base (5) on the outside of the gear (41), the magnet steel mounting base (5)
On be equipped with magnet steel (6), be fixed with circuit substrate (7) on the inside of the epipleural of the shell (1), set on the circuit substrate (7)
Have electromagnetic signal detection circuit (8), the electromagnetic signal detection circuit (8) is corresponding with magnet steel (6).
2. a kind of magneto-dependent sensor for linear movement measuring described in accordance with the claim 1, it is characterised in that: the shell
(1) synchronizing bar, which is walked in hole, is equipped with guiding ball.
3. a kind of magneto-dependent sensor for linear movement measuring described in accordance with the claim 1, it is characterised in that: the shell
(1) bearing hole is provided on lower side panel, the bearing (3) is fixedly installed in the bearing hole of shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822231257.4U CN209166336U (en) | 2018-12-28 | 2018-12-28 | A kind of magneto-dependent sensor for linear movement measuring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822231257.4U CN209166336U (en) | 2018-12-28 | 2018-12-28 | A kind of magneto-dependent sensor for linear movement measuring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209166336U true CN209166336U (en) | 2019-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822231257.4U Active CN209166336U (en) | 2018-12-28 | 2018-12-28 | A kind of magneto-dependent sensor for linear movement measuring |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110500941A (en) * | 2019-08-27 | 2019-11-26 | 成都宏明电子股份有限公司 | A kind of straight-line displacement magneto-dependent sensor of RS485 linear convergent rate |
| WO2022140992A1 (en) * | 2020-12-28 | 2022-07-07 | 北京大医通汇创新科技有限公司 | Leaf position detection device, multi-leaf collimator, and radiotherapy equipment |
-
2018
- 2018-12-28 CN CN201822231257.4U patent/CN209166336U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110500941A (en) * | 2019-08-27 | 2019-11-26 | 成都宏明电子股份有限公司 | A kind of straight-line displacement magneto-dependent sensor of RS485 linear convergent rate |
| CN110500941B (en) * | 2019-08-27 | 2024-05-14 | 成都宏明电子股份有限公司 | Linear displacement magneto-dependent sensor with RS485 linear output |
| WO2022140992A1 (en) * | 2020-12-28 | 2022-07-07 | 北京大医通汇创新科技有限公司 | Leaf position detection device, multi-leaf collimator, and radiotherapy equipment |
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