CN203518936U - Reading head of displacement sensor - Google Patents
Reading head of displacement sensor Download PDFInfo
- Publication number
- CN203518936U CN203518936U CN201320631031.8U CN201320631031U CN203518936U CN 203518936 U CN203518936 U CN 203518936U CN 201320631031 U CN201320631031 U CN 201320631031U CN 203518936 U CN203518936 U CN 203518936U
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- CN
- China
- Prior art keywords
- pcb board
- coil
- read head
- magnetic steel
- displacement transducer
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- Expired - Fee Related
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- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The utility model relates to a reading head of a displacement sensor. The reading head comprises a shell, a PCB board, a magnetic steel tape, a soft tape, and a steel sheet. The PCB board is externally connected with a power supply by a cable; a detection circuit is installed at the PCB board; and the magnetic steel tape is installed at the PCB board. A coil unit with regular winding is bonded to the soft tape; and the soft tape and the magnetic steel tape are fixedly connected to the PCB board. And the steel sheet is used for shell sealing. According to the reading head, the internal structure is optimized and is compact; the size is small; the precision is high; and the application range and the using filed are enlarged. And the reading head is applied to the special working environment.
Description
Technical field
The utility model relates to sensor technical field, particularly relates to a kind of read head of displacement transducer.
Background technology
In field of measuring technique, there is ball bar sensor at present, grating sensor, steel gate sensor and magnetic-grid-type sensor.Magnetic grating displacement transducer is the displacement transducer that utilizes the magnetic action of magnetic grid and magnetic head to measure.It is a kind of novel digital transducer, when needed, original magnetic signal (magnetic grid) can be erased, again record, with respect to other several sensors its have advantages of that cost is lower, precision is higher and be convenient to and install and use.Magnetic induction sensor is that the generation distance of the N utmost point on magnetic stripe and S interpolar by induction is measured displacement, and the data that record are converted to displacement show.
But with upper sensor, all can be subject to the interference of external magnetic field, affect measuring accuracy, in severe measurement environment, not reach desirable measurement result.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of read head of displacement transducer, can have volume little, and closed type can be good, optimization of inside structure, and can apply multiple working site, be not subject to magnetic interference.
The utility model solves the technical scheme that its technical matters adopts: a kind of read head of displacement transducer is provided, comprises shell, pcb board, magnetic steel band, soft band, steel disc; Described pcb board, by cable external power supply, is equipped with testing circuit on described pcb board, and magnetic steel band is also housed on described pcb board, and described soft band is stained with the coil of regular coiling, is fixed on pcb board with magnetic steel band, and described steel disc is for can.
Described shell is a rectangular parallelepiped, wherein along straight-line displacement direction, has a chamfering, has two mesopores on shell body.
Described coil forms by organizing coil winding more, and every group of coil comprise drive coil and gather coil, and wherein two groups of one group of inner coilings of drive coil gather coils, and the rule that is rectangle is distributed in soft being with, and coil is connected with metering circuit.
Described read head and one has the corresponding use of magnetic steel band that rule is arranged hollow slots, and the coil winding of read head is corresponding with hollow slots, and described hollow slots can be kidney-shaped.
Described outer cover length is 36～51mm, is highly 10～20mm, and thickness is 5～20mm.
Beneficial effect
Owing to having adopted above-mentioned technical scheme, compared with prior art, the utlity model has following advantage and good effect: the magnetic stripe in the utility model read head can form stable magnetic field with the hollow slots magnetic stripe of corresponding use, thereby for read head Inside coil pumping signal and collection signal provide reliable and stable environment, improve measuring accuracy, can realize volume little simultaneously, affixed easy, good seal performance, and can be applied to the beneficial effect of multiple working site.
Accompanying drawing explanation
Fig. 1 is Facad structure figure of the present utility model
Fig. 2 is stereographic map of the present utility model
Fig. 3 is soft band structure figure of the present utility model
Embodiment
Below in conjunction with specific embodiment, further set forth the utility model.Should be understood that these embodiment are only not used in restriction scope of the present utility model for the utility model is described.In addition should be understood that, after having read content of the present utility model, those skilled in the art can make various changes or modifications the utility model, these equivalent form of values fall within the application's appended claims limited range equally.
Embodiment of the present utility model relates to a kind of read head of displacement transducer, as Fig. 1, shown in Fig. 2, the read head of the utility model displacement transducer comprises shell (2), pcb board (3), magnetic steel band (4), soft band (5), steel disc (6); Described pcb board (3) is by cable (1) external power supply, on described pcb board, testing circuit is housed, magnetic steel band (4) is housed on described pcb board, described soft band (5) is stained with the coil of regular coiling, be fixed on pcb board with magnetic steel band, described steel disc (6) is for can (2).
Described shell (2) is a rectangular parallelepiped, wherein along straight-line displacement direction, has a chamfering, has two mesopores, in order to affixed measured object and read head on shell body.
As shown in Figure 3, described coil forms by organizing coil winding more, and every group of coil comprises drive coil (9) and gather coil (10,11), wherein two groups of inner coilings of one group of drive coil gather coils, and the rule that is rectangle is distributed in soft being with, and coil is connected with metering circuit.
Described read head and one has the corresponding use of magnetic steel band (7) that rule is arranged hollow slots, and the coil winding of read head is corresponding with hollow slots, and described hollow slots (8) can be kidney-shaped.
Described outer cover length is 36～51mm, is highly 10～20mm, and thickness is 5～20mm.
The installation process of the present embodiment is that on pcb board, one side is equipped with metering circuit, be connected with cable, one side is equipped with magnetic steel band, on magnetic steel band, place the soft band that is printed on coil, coil is connected with the metering circuit on pcb board, loads onto steel disc and seal shell after sealant pouring and sealing, mesopore on shell is in order to install measured object, magnetic hollow out steel band is fixed, and read head is arranged on measured object and does relative motion along steel band direction of measurement, and then completion bit shift measurement.
Should be understood that, the foregoing is only better embodiment of the present utility model, not in order to limit protection domain of the present utility model.For those of ordinary skills, any modification of doing according to the above description, is equal to replacement and improvement etc., within all should being included in protection domain of the present utility model.
Claims (5)
1. a read head for displacement transducer, is characterized in that: described read head comprises shell, pcb board, magnetic steel band, soft band, steel disc; Described pcb board, by cable external power supply, is equipped with testing circuit on described pcb board, and magnetic steel band is also housed on described pcb board, and described soft band is stained with the coil of regular coiling, is fixed on pcb board with magnetic steel band, and described steel disc is for can.
2. the read head of a kind of displacement transducer according to claim 1, is characterized in that, described shell is a rectangular parallelepiped, wherein along straight-line displacement direction, has a chamfering, has two mesopores on shell body.
3. the read head of a kind of displacement transducer according to claim 1, it is characterized in that, described coil forms by organizing coil winding more, every group of coil comprises drive coil and gathers coil, wherein two groups of inner coilings of one group of drive coil gather coils, the rule that is rectangle is distributed in soft being with, and coil is connected with metering circuit.
4. the read head of a kind of displacement transducer according to claim 1, is characterized in that, described read head and has the corresponding use of magnetic steel band that rule is arranged hollow slots, and the coil winding of read head is corresponding with hollow slots, and described hollow slots can be kidney-shaped.
5. the read head of a kind of displacement transducer according to claim 1, is characterized in that, described outer cover length is 36～51mm, is highly 10～20mm, and thickness is 5～20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320631031.8U CN203518936U (en) | 2013-09-30 | 2013-09-30 | Reading head of displacement sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320631031.8U CN203518936U (en) | 2013-09-30 | 2013-09-30 | Reading head of displacement sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203518936U true CN203518936U (en) | 2014-04-02 |
Family
ID=50377856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320631031.8U Expired - Fee Related CN203518936U (en) | 2013-09-30 | 2013-09-30 | Reading head of displacement sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203518936U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104515463A (en) * | 2013-10-03 | 2015-04-15 | 上海雷尼威尔技术有限公司 | Displacement measurement system and displacement measurement device |
| CN104515464A (en) * | 2013-10-03 | 2015-04-15 | 上海球栅测量系统有限公司 | Displacement measurement system and displacement measurement device |
-
2013
- 2013-09-30 CN CN201320631031.8U patent/CN203518936U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104515463A (en) * | 2013-10-03 | 2015-04-15 | 上海雷尼威尔技术有限公司 | Displacement measurement system and displacement measurement device |
| CN104515464A (en) * | 2013-10-03 | 2015-04-15 | 上海球栅测量系统有限公司 | Displacement measurement system and displacement measurement device |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20180930 |