CN207910762U - A kind of branch unit for encoder output - Google Patents
A kind of branch unit for encoder output Download PDFInfo
- Publication number
- CN207910762U CN207910762U CN201820371383.7U CN201820371383U CN207910762U CN 207910762 U CN207910762 U CN 207910762U CN 201820371383 U CN201820371383 U CN 201820371383U CN 207910762 U CN207910762 U CN 207910762U
- Authority
- CN
- China
- Prior art keywords
- encoder
- single sided
- sided pulse
- accepting device
- isolating chip
- Prior art date
- 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
A kind of branch unit for encoder output, including：Four road differential line receivers, single sided pulse encoder and digital isolating chip II.The differential signal of differential encoder output enters after four road differential line receivers differential signal switching to single sided pulse signal, single sided pulse signal is delivered to digital isolating chip II and accepting device I by four road differential line receivers, single sided pulse signal is delivered to digital isolating chip I and accepting device I by single sided pulse encoder, the single sided pulse signal that single sided pulse encoder 1 is sent out and the single sided pulse signal that four road differential line receivers are sent out are isolated between accepting device I and accepting device II respectively for digital isolating chip I and digital isolating chip II, to realize a variety of uses for needing single sided pulse signal equipment.
Description
Technical field
The utility model is related to encoder techniques fields, and in particular to a kind of branch for encoder output fills
It sets.
Background technology
Currently, the use scope of encoder is more and more wider, various application scenarios to the required precision of encoder also increasingly
Height, but existing encoder often only has single port output on current market, in actual use, is frequently encountered in same system
In system, there are two different equipment to be required for receiving the data of encoder output, and the output of big Multi-encoder is all to use TTL
Mode transmit, if by two receiving terminals and got up, often interfere with each other, as encoder accuracy is wanted in application scenario
Ask higher and higher, interfering with each other for this receiving terminal can not put up with, so, it is badly in need of a encoder output now
Branch unit solves the problems, such as this.
Invention content
For the utility model in order to overcome the shortcomings of the above technology, providing one kind can be by encoder output for multiple
The branch unit for encoder output of different equipment utilizations.
Technical solution is used by the utility model overcomes its technical problem：
A kind of branch unit for encoder output, including：
Four road differential line receivers, 1A, 1B, 2A, 2B, 3A, 3B, 4A and 4B pin are connected to differential encoder
Four road differential output signals, VCC pins, 1,2EN enable pins and 3,4EN enable pins are all connected to power supply
Anode；
Single sided pulse encoder, 4 group pulse output ends are connected to 1B, 2B, 3B and 4B pipe of digital isolating chip I
4 group pulse output ends of foot, single sided pulse encoder are connected with accepting device I, 1Y, 2Y, 3Y and 4Y pipe of digital isolating chip I
Foot is connected to accepting device II；And
Digital isolating chip II, 1B, 2B, 3B and 4B pin are connected with accepting device I, 1B, 2B, 3B and 4B pin point
3Y, 4Y, 1Y and 2Y pin of tetra- road differential line receivers of Bie Yu are connected, 1Y, 2Y, 3Y and 4Y pin of digital isolating chip II
It is connected to accepting device II.
Above-mentioned four roads differential line receiver is four road differential line receiver of SN75175 types.
Above-mentioned number isolating chip I is 74LS08DR type number isolating chips.
Above-mentioned number isolating chip II is 74LS08DR type number isolating chips.
The utility model has the beneficial effects that：The differential signal of differential encoder output enters four road differential line receivers
Differential signal is switched into single sided pulse signal afterwards, single sided pulse signal is delivered to digital isolated core by four road differential line receivers
Single sided pulse signal is delivered to digital isolating chip I and accepting device I by piece II and accepting device I, single sided pulse encoder, number
The single sided pulse signal and four tunnels that word isolating chip I and digital isolating chip II respectively send out single sided pulse encoder 1 are poor
The single sided pulse signal that dynamic line receiver unit is sent out is isolated between accepting device I and accepting device II, to realize
A variety of uses for needing single sided pulse signal equipment.And the equipment of isolating chip front and back end is not interfere with each other without any relationship, is expanded
The use scope of encoder output, improves the utilization rate of encoder output, reaches a kind of encoder output letter
Number for multiple and different equipment utilizations purpose.
Description of the drawings
Fig. 1 is the electrical block diagram of the utility model；
In figure, the digital isolated core of 1. single sided pulse encoder, 2. differential encoder, 3. 4 road differential line receiver 4.
II 6. accepting device of the digital isolating chip of piece I 5., I 7. accepting device II.
Specific implementation mode
1 pair of the utility model is described further below in conjunction with the accompanying drawings.
A kind of branch unit for encoder output, including：Four road differential line receivers 3,1A, 1B, 2A,
2B, 3A, 3B, 4A and 4B pin are connected to four road differential output signals of differential encoder 2, and VCC pins, 1,2EN make
Energy pin and 3,4EN enable pins are all connected to the anode of power supply；1,4 group pulse output end of single sided pulse encoder
Be connected to 1B, 2B, 3B and 4B pin of digital isolating chip I 4,4 group pulse output ends of single sided pulse encoder 1 with
Accepting device I 6 is connected, and 1Y, 2Y, 3Y and 4Y pin of digital isolating chip I 4 are connected to accepting device II 7；And number
Isolating chip II 5,1B, 2B, 3B and 4B pin are connected with accepting device I 6,1B, 2B, 3B and 4B pin respectively with four tunnels
3Y, 4Y, 1Y and 2Y pin of differential line receiver 3 are connected, 1Y, 2Y, 3Y and 4Y pin connection of digital isolating chip II 5
In accepting device II 7.The differential signal that differential encoder 2 exports turns differential signal after entering four road differential line receivers 3
For single sided pulse signal, single sided pulse signal is delivered to digital isolating chip II 5 and received by four road differential line receivers 3
Single sided pulse signal is delivered to digital isolating chip I 4 and accepting device I 6 by equipment I 6, single sided pulse encoder 1, number
The single sided pulse signal and four tunnels that isolating chip I 4 and digital isolating chip II 5 respectively send out single sided pulse encoder 1
The single sided pulse signal that differential line receiver 3 is sent out is isolated between accepting device I 6 and accepting device II 7, to
Realize a variety of uses for needing single sided pulse signal equipment.And the equipment of isolating chip front and back end is not done mutually without any relationship
It disturbs, expands the use scope of encoder output, improve the utilization rate of encoder output, reach a kind of encoder
Output signal for multiple and different equipment utilizations purpose.
Further, above-mentioned four roads differential line receiver 3 is four road differential line receiver of SN75175 types.
Further, above-mentioned digital isolating chip I 4 is 74LS08DR type number isolating chips.
Further, above-mentioned digital isolating chip II 5 is 74LS08DR type number isolating chips.
Claims (4)
1. a kind of branch unit for encoder output, which is characterized in that including：
Four road differential line receivers（3）, 1A, 1B, 2A, 2B, 3A, 3B, 4A and 4B pin is connected to differential encoder
（2）Four road differential output signals, VCC pins, 1,2EN enable pins and 3,4EN enable pins be all connected to power supply electricity
The anode in source；
Single sided pulse encoder（1）, 4 group pulse output ends are connected to digital isolating chip I（4）1B, 2B, 3B and 4B
Pin, single sided pulse encoder（1）4 group pulse output ends and accepting device I（6）It is connected, digital isolating chip I（4）1Y,
2Y, 3Y and 4Y pin are connected to accepting device II（7）；And
Digital isolating chip II（5）, 1B, 2B, 3B and 4B pin and accepting device I（6）It is connected, 1B, 2B, 3B and 4B pin
Respectively with four road differential line receivers（3）3Y, 4Y, 1Y and 2Y pin be connected, digital isolating chip II（5）1Y, 2Y, 3Y
And 4Y pins are connected to accepting device II（7）.
2. the branch unit according to claim 1 for encoder output, it is characterised in that：Four tunnel is differential
Line receiver unit（3）For four road differential line receiver of SN75175 types.
3. the branch unit according to claim 1 for encoder output, it is characterised in that：The number isolation
Chip I（4）For 74LS08DR type number isolating chips.
4. the branch unit according to claim 1 for encoder output, it is characterised in that：The number isolation
Chip II（5）For 74LS08DR type number isolating chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820371383.7U CN207910762U (en) | 2018-03-19 | 2018-03-19 | A kind of branch unit for encoder output |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820371383.7U CN207910762U (en) | 2018-03-19 | 2018-03-19 | A kind of branch unit for encoder output |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207910762U true CN207910762U (en) | 2018-09-25 |
Family
ID=63559247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820371383.7U Expired - Fee Related CN207910762U (en) | 2018-03-19 | 2018-03-19 | A kind of branch unit for encoder output |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207910762U (en) |
-
2018
- 2018-03-19 CN CN201820371383.7U patent/CN207910762U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 250101 Innovation workshop D, 2016 Leap Road, hi-tech East District, Ji'nan, Shandong. Patentee after: Shandong Flying Electronic Technology Co., Ltd. Address before: 250101 Ji'nan four, A402 room, 4 building, Qilu Software Park, 1 Shun Hua Road, hi tech Zone, Ji'nan, Shandong. Patentee before: JINAN FEIYUE ELECTROMECHANICAL TECHNOLOGY CO., LTD. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180925 Termination date: 20210319 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |