CN203148387U - Novel high-precision compact sensor - Google Patents
Novel high-precision compact sensor Download PDFInfo
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- CN203148387U CN203148387U CN 201320120836 CN201320120836U CN203148387U CN 203148387 U CN203148387 U CN 203148387U CN 201320120836 CN201320120836 CN 201320120836 CN 201320120836 U CN201320120836 U CN 201320120836U CN 203148387 U CN203148387 U CN 203148387U
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Abstract
The utility model discloses a novel high-precision compact sensor, and aims to provide a novel high-precision compact sensor which is high in precision, compact in structure and thinner in thickness. The novel high-precision compact sensor comprises a reading head, a shell, a scale grating arranged in the shell by an angle and an indication grating pulley block which is connected with the reading head and matched with the scale grating, wherein the scale grating is arranged in such a manner that a 55-60 DEG angle is reserved between the scale grating and the bottom surface of the shell. Through arranging the angle between the scale grating and the bottom surface of the shell reasonably, the shell can be thinner under the premise of ensuring the high precision and stable performance, that is, the sensor is thinner in thickness and more compact. The novel high-precision compact sensor is suitable for equipment and instrument which have high requirements for the thickness of sensors.
Description
Technical field
The utility model relates to the displacement transducer technology field, especially relates to a kind of novel high-precision compact sensor.
Background technology
The grating rule displacement sensor is a widely used class in the sensor, and it is the measurement feedback assembly that utilizes the optical principle work of grating.The raster size displacement transducer partly is made up of housing, scale grating, installation end cap, read head and signal cable etc.The scale grating is fixed in the rectangular housing, and the two ends that end cap is separately fixed at housing are installed, and forming with the scale grating is the measurement body of benchmark.Read head relatively moves by rolling bearing realization and housing, keeps accurate angle and correct gap during it can guarantee to move between indication grating and the scale grating.The grating rule displacement sensor is mainly used in aspects such as lathe, machining center, numerical control device and surveying instrument, can be used as the detection of straight-line displacement or angular displacement.Its signal of measuring output is digit pulse, and it is big to have sensing range, accuracy of detection height, the characteristics that response speed is fast.
At present, for accuracy of detection and the serviceable life that guarantees high-end grating rule displacement sensor, the bottom surface of scale grating and housing is 45 ° of settings, the thickness of its housing is not less than 24 millimeters usually, along with the generally use of precision equipment, instrument, the demand of high-end grating rule displacement sensor product just increases sharply.How to produce and both had that precision is up to standard, stability is reliable, have compact conformation again, the grating rule displacement sensor that thickness is thinner is just becoming the trend of the market demand.More especially higher to requirements of installation space equipment, the thickness of grating rule displacement sensor seem particularly important.
The utility model content
The utility model has overcome shortcoming of the prior art, and a kind of compact conformation, novel high-precision compact sensor that volume is thinner are provided.
In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions: a kind of novel high-precision compact sensor, comprise read head, housing, be angle and be arranged on scale grating in the housing, and the indication grating tackle block that is connected and cooperates with the scale grating with read head that the bottom surface of described scale grating and housing is 55～60 ° of settings.
Preferably, described indication grating tackle block comprises indication grating, and the light source board and the dash receiver that are contained in the indication grating both sides.
Preferably, the bottom surface of described scale grating and housing is 55 ° of settings.
Preferably, described housing is Al-alloy casing.
Compared with prior art, the utlity model has following advantage:
(1) because the scale grating of this novel high-precision compact sensor and the bottom surface of housing are 55～60 ° of settings, the indication grating tackle block profile that cooperates with the scale grating is orthogonal, and the scale grating is vertically set on the middle part of its rectangle one end face.When the angular setting of scale grating, the angle of indication grating tackle block also changes with the scale grating, and its rectangle diagonal line departs from 45 °, the width that takies in the horizontal reduces, so the thickness of housing is can the manufactured place thinner, thickness roughly can reduce 2～5 millimeters, its more compact structure.This novel high-precision compact sensor is under the prerequisite that thickness effectively reduces, still keep qualified accuracy of detection and response speed, it can effectively satisfy installing and using of high precision apparatus and instrument, high precision apparatus and the instrument higher to requirements of installation space more particularly, it has very strong superiority.
(2) this novel high-precision compact sensor is rational in infrastructure, dependable performance, and through test repeatedly, its performance all meets the regulation of relevant criterion.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the front view of an embodiment of the present utility model;
Fig. 2 is along the amplification view of A-A among Fig. 1.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1,2 is depicted as an embodiment of the utility model high precision compact sensor, and it comprises read head 1, housing 2, scale grating 3, indication grating tackle block 4, end cap 5 and signal cable 6 are installed.Scale grating 3 is fixed in the housing 2 and is 55 ° of settings with housing 2 bottom surfaces, housing 2 preferred Al-alloy casings, it is used for limiting the moving range of indication grating tackle block 4, and the two ends that end cap 5 is separately fixed at housing 2 are installed, and forming with scale grating 3 is the measurement body of benchmark.Indication grating tackle block 4 is connected with read head 1 and cooperates with 3 formation of scale grating, indication grating tackle block 4 profiles are rectangular, its rectangle one end face is provided with rectangular channel and be used for realizes and the cooperating of scale grating 3, scale grating 3 is vertical with the end face that this is provided with rectangular channel, and indication grating tackle block 4 can move relative to scale grating 3.This indication grating tackle block 4 comprises indication grating, and the light source board and the dash receiver (not shown) that are contained in the indication grating both sides.Read head 1 is arranged on the outside of housing 2 end faces, and the end face of this housing 2 is provided with the strip groove and moves for indication grating tackle block 4 and the junction of read head 1.Signal cable 6 is connected with read head 1, is used for photosignal is transferred to digital display meter.Read head 1 connects with housing 2 by ball bearing and can move relative to it, keeps accurate angle and correct gap between the indication grating of read head 1 and the scale grating 3 in guaranteeing to move.When read head 1 when housing 2 moves, the light source board and the dash receiver that are contained in the indication grating both sides receive corresponding photosignal.This photosignal is transferred to digital display meter through signal cable 6 and is treated as displacement data.For ease of the processing of digital display meter, in sensor, also photosignal after handling, shaping is transferred to digital display meter by signal cable 6 again.
Through testing authentication, under the prerequisite that guarantees acceptable precision and normal serviceable life, the angle of scale grating 3 of the present utility model and housing 2 bottom surfaces arranges maximum and can be 60 °, and by the reasonable adjustment of angle, the thickness of housing 2 can be thinner.
Because indication grating tackle block 4 profiles of the present utility model are orthogonal, scale grating 3 is vertically set on its rectangle one end face.When the angular setting of scale grating 3, the angle of indication grating tackle block 4 also changes with scale grating 3, its rectangle diagonal line departs from 45 °, and the width that takies in the horizontal reduces, so the thickness of housing 2 can be adjusted according to the variation that indication grating tackle block 4 bulks take.The bottom surface of scale grating 3 and housing 2 is the set-up mode that 55 ° of settings are compared 45 °, and its housing 2 thickness can reduce 2 millimeters, its more compact structure.Through test repeatedly, this kind set-up mode can guarantee its accuracy of detection and response speed, and every performance all meets the requirement of relevant criterion.Simultaneously, again scale grating of the present utility model 3 and housing 2 bottom surfaces are 58 ° and 60 ° of settings and carry out testing experiment, all meet the requirement of relevant criterion through its every performance of evidence, can satisfy the requirement of work, and the thickness maximum of its housing 2 can be reduced 5 millimeters.Being particularly suitable for some precision equipment and instruments that sensor thickness is had relatively high expectations uses.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (4)
1. novel high-precision compact sensor, comprise read head (1), housing (2), be angle and be arranged on scale grating (3) in the housing (2), and the indication grating tackle block (4) that is connected and cooperates with scale grating (3) with read head (1) that it is characterized in that: the bottom surface of described scale grating (3) and housing (2) is 55～60 ° of settings.
2. novel high-precision compact sensor according to claim 1, it is characterized in that: described indication grating tackle block (4) comprises indication grating, and the light source board and the dash receiver that are contained in the indication grating both sides.
3. novel high-precision compact sensor according to claim 1, it is characterized in that: the bottom surface of described scale grating (3) and housing (2) is 55 ° of settings.
4. novel high-precision compact sensor according to claim 1, it is characterized in that: described housing (2) is Al-alloy casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320120836 CN203148387U (en) | 2013-03-15 | 2013-03-15 | Novel high-precision compact sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320120836 CN203148387U (en) | 2013-03-15 | 2013-03-15 | Novel high-precision compact sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203148387U true CN203148387U (en) | 2013-08-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320120836 Expired - Fee Related CN203148387U (en) | 2013-03-15 | 2013-03-15 | Novel high-precision compact sensor |
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| Country | Link |
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| CN (1) | CN203148387U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438918A (en) * | 2013-09-16 | 2013-12-11 | 无锡华尔圣科技有限公司 | Encoder and assembling method thereof |
| CN107525470A (en) * | 2017-10-17 | 2017-12-29 | 东莞市普迈精密测量科技有限公司 | A kind of grating displacement sensor |
-
2013
- 2013-03-15 CN CN 201320120836 patent/CN203148387U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438918A (en) * | 2013-09-16 | 2013-12-11 | 无锡华尔圣科技有限公司 | Encoder and assembling method thereof |
| CN103438918B (en) * | 2013-09-16 | 2015-12-30 | 无锡华尔圣科技有限公司 | A kind of scrambler and assembly method thereof |
| CN107525470A (en) * | 2017-10-17 | 2017-12-29 | 东莞市普迈精密测量科技有限公司 | A kind of grating displacement sensor |
| CN107525470B (en) * | 2017-10-17 | 2023-12-26 | 东莞市普迈精密测量科技有限公司 | Grating displacement sensor |
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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: 20130821 Termination date: 20160315 |
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| CF01 | Termination of patent right due to non-payment of annual fee |