CN2396413Y - Multi-ring absolute magnitude optoelectric encoder - Google Patents
Multi-ring absolute magnitude optoelectric encoder Download PDFInfo
- Publication number
- CN2396413Y CN2396413Y CN 99229973 CN99229973U CN2396413Y CN 2396413 Y CN2396413 Y CN 2396413Y CN 99229973 CN99229973 CN 99229973 CN 99229973 U CN99229973 U CN 99229973U CN 2396413 Y CN2396413 Y CN 2396413Y
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- CN
- China
- Prior art keywords
- photoelectric
- circuit board
- absolute magnitude
- coding circuit
- utility
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a multi-ring absolute magnitude photoelectric encoder which uses one double-face circuit structure to complete a multi-ring type binary system of 11 bit and 12 bit. The utility model comprises an outer shell, optical discs, a photoelectric coding circuit board, a spindle, and a carry gear set. The utility model is characterized in that the photoelectric coding circuit board 3 is fixed on the outer shell 1 and is sheathed on the spindle 4; Both sides of the photoelectric coding circuit board are respectively provided with a high bit optical disc 5 which is sheathed on the spindle 4 and a low bit optical disc 2 which is fixed on the spindle 4, and the high bit optical disc 5 and the low bit optical disc 2 are respectively connected with the carry gear seat.
Description
The utility model belongs to the electron device class, specifically a kind of multi-turn absolute magnitude photoelectric encoder.
Adopt photoelectric technology to claim photoelectric encoder with the device that different corner amounts change digital signal into, be usually used in Industry Control, in the automation equipments such as water level, thing position, stroke, Angular Displacement Detecting, it has incremental and absolute type two classes, incremental only need increase and decrease pulse signal, its range can be very big, but reliability is relatively poor.Absolute type is to use absolute magnitude corresponding to different mechanical locations, dependable performance, and two types all have production both at home and abroad.Absolute magnitude generally can only be accomplished ten of scale-of-two at present, be that maximum range is 1024, though production is abroad arranged more than 10, but price is all more than ten thousand yuan, and it is also very difficult in the use, as to require range be 4096 (2 of binary ones), promptly will be accurate to 1/4096 in 360 ° scope, the gapped slightly permissible error that just exceeds in gear drive.Adopting two scramblers to be used in combination is to belong to the multi-turn form, but will solve carry, and its difficulty is just very big, and structure is much also complicated.Constituting integrated single plate structure multi-turn formula photoelectric encoder has not yet to see.
The purpose of this utility model then is the problem that exists at above-mentioned prior art, provides double-sided circuit plate structure of a kind of usefulness to finish 1 of multi-turn formula binary one, 12 multi-turn absolute magnitude photoelectric encoder.
The purpose of this utility model can reach by following measure:
A kind of multi-turn absolute magnitude photoelectric encoder, comprise shell, CD, photoelectric coding circuit board, main shaft, carry gear set, it is characterized in that photoelectric coding circuit board 3 is fixed on the shell 1, and be inserted in main shaft 4, photoelectric coding circuit board 3 both sides are respectively equipped with is inserted in the high-order CD 5 on the main shaft 4 and is fixed on low level CD 2 on the main shaft 4, and high and low position CD 5,2 links to each other with carry gear set 6 respectively.
The purpose of this utility model can also reach by following measure:
6 or 7 of high-order CD 5 bits;
Photoelectric coding circuit board 3 adopts the photoelectric device of reflection-type.
Advantage of the present utility model:
The utility model is simple in structure, dependable performance, production cost are low, easy to use, can preponderate in the competition in market.
Fig. 1 is the utility model structural representation.
Below in conjunction with accompanying drawing the utility model is further described:
By main shaft 4 and the interlock of tested mechanism, make low level CD 2 produce angular displacements, reflect through low level CD 2 in one group of luminotron emission of the right side of photoelectric coding circuit board 3 one side, by a corresponding group of received pipe receive black-and-white signal, promptly finish one group " 0 ", the level signal of " 1 ".When the low level corner surpasses 180 °, in the end be passed to high-order CD 5 through carry gear set 6 in a signal (i.e. bit) scope, make high-order CD 5 rotate a signal bits, because the angular displacement of high-order CD 5, make the left side of photoelectric coding circuit board 3 simultaneously record one group of high-order level signal equally, high low level is added in the parallel digital signal output of promptly having finished 11 or 12 together.
Claims (4)
1. multi-turn absolute magnitude photoelectric encoder, comprise shell, CD, photoelectric coding circuit board, main shaft, carry gear set, it is characterized in that photoelectric coding circuit board (3) is fixed on the shell (1), and be inserted in main shaft (4), photoelectric coding circuit board (3) both sides are respectively equipped with the high-order CD (5) that is inserted on the main shaft (4) and are fixed on low level CD (2) on the main shaft (4), and high and low position CD (5), (2) link to each other with carry gear set (6) respectively.
2. multi-turn absolute magnitude photoelectric encoder according to claim 1 is characterized in that low level CD (2) adopts 5 of scale-of-two.
3. multi-turn absolute magnitude photoelectric encoder according to claim 1 is characterized in that 6 or 7 of high-order CD (5) bits.
4. multi-turn absolute magnitude photoelectric encoder according to claim 1 is characterized in that photoelectric coding circuit board (3) adopts the photoelectric device of reflection-type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99229973 CN2396413Y (en) | 1999-11-17 | 1999-11-17 | Multi-ring absolute magnitude optoelectric encoder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99229973 CN2396413Y (en) | 1999-11-17 | 1999-11-17 | Multi-ring absolute magnitude optoelectric encoder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2396413Y true CN2396413Y (en) | 2000-09-13 |
Family
ID=34019135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99229973 Expired - Fee Related CN2396413Y (en) | 1999-11-17 | 1999-11-17 | Multi-ring absolute magnitude optoelectric encoder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2396413Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105277222A (en) * | 2014-06-16 | 2016-01-27 | 上海鼎曦自动化科技有限公司 | High-precision absolute value encoder |
-
1999
- 1999-11-17 CN CN 99229973 patent/CN2396413Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105277222A (en) * | 2014-06-16 | 2016-01-27 | 上海鼎曦自动化科技有限公司 | High-precision absolute value encoder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |