CN202135117U - Encoder pulse distributing plate - Google Patents
Encoder pulse distributing plate Download PDFInfo
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- CN202135117U CN202135117U CN201120263624U CN201120263624U CN202135117U CN 202135117 U CN202135117 U CN 202135117U CN 201120263624 U CN201120263624 U CN 201120263624U CN 201120263624 U CN201120263624 U CN 201120263624U CN 202135117 U CN202135117 U CN 202135117U
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- encoder
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- distribution plate
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Abstract
The utility model discloses an encoder pulse distributing plate provided with an input end, a first output end and a second output end, wherein the input end is connected with a simulation encoder through an encoder interface, the input end generates pulses according to encoded signals of the simulation encoder, the first output end is connected with a first system through a pulse output interface, the second output end is connected with a second system, the second system is provided with a different pulse receiving mode from the first system, and the input end, the first output end and the second output end are electrically isolated with each other. The encoder pulse distributing plate is compatible among different types of components to realize pulse distribution, and simultaneously effective electrical isolation between the input end and two output ends of the encoder pulse distributing plate can be realized.
Description
Technical field
The utility model relates to field of electronic devices, relates in particular to a kind of encoder pulse distribution plate.
Background technology
Encoder is an important element in the hot rolling system, in present domestic widely used hot rolling system, can relate to encoder and and components and parts from country variant usually.Such as, the components and parts of Japanese components and parts and Europe system.There is bigger difference in the components and parts of Japanese and Europe system aspect the pulse technique utilizing, and the components and parts of Europe system generally use TTL pulse distribution technology, and Japanese components and parts all adopt direct connection, do not use the pulse distribution technology.If in hot rolling system, used components and parts Japanese and Europe system simultaneously, following problem will occur so:
1) the components and parts interface is incompatible, and the components and parts of part can't be realized the mode of pulse distribution.
2) do not isolate between input and the output, cause the element damage of automated system end.
The utility model content
The utility model is intended to propose a kind of encoder pulse distribution plate that can realize the compatibility between the variety classes components and parts.
According to an embodiment of the utility model, a kind of encoder pulse distribution plate is proposed, this encoder pulse distribution plate has input, first output and second output.Input is connected to analog encoder through encoder interfaces, and input produces pulse according to the code signal of analog encoder.First output is connected to first system through the pulse output interface.Second output is connected to second system, and wherein second system has and first system's different pulse receive mode.Mutual electrical isolation between input, first output and second output wherein.
In one embodiment, carry out electrical isolation by photoelectrical coupler between input, first output and second output.
In one embodiment, encoder interfaces is connected to power supply, and encoder interfaces comprises triode and the resistance with the power supply series connection.This power supply is the 24V DC power supply, and this resistance is 750 Ohmic resistances.
In one embodiment, this pulse output interface comprises diode and resistance.
In one embodiment, input comprises T type rc filter circuit.
In one embodiment, first output and second output comprise from recovering overload and short-circuit protection circuit.
The encoder pulse distribution plate of the utility model can carry out compatibility between the variety classes components and parts, realize pulse distribution, simultaneously, between the input of encoder pulse distribution plate and two outputs, carries out effective electrical isolation.
Description of drawings
Fig. 1 has disclosed the circuit theory diagrams according to the encoder pulse distribution plate of an embodiment of the utility model.
Fig. 2 has disclosed the catenation principle figure according to first system in the encoder pulse distribution plate of an embodiment of the utility model.
Fig. 3 has disclosed the circuit structure according to T type rc filter circuit in the encoder pulse distribution plate of an embodiment of the utility model.
Fig. 4 has disclosed according to the circuit structure that recovers overload and short-circuit protection circuit in the encoder pulse distribution plate of an embodiment of the utility model certainly.
Embodiment
With reference to shown in Figure 1, the utility model has disclosed a kind of encoder pulse distribution plate, and this encoder pulse distribution plate 100 comprises input 102, first output 104 and second output 106.
Mutual electrical isolation between input 102, first output 104 and second output 106.In one embodiment, carry out electrical isolation by photoelectrical coupler between input 102, first output 104 and second output 106, isolation voltage is higher than 1000V.
According to an embodiment, comprise T type rc filter circuit at input 102.With reference to shown in Figure 3; T type rc filter circuit has following circuit structure: be made up of two resistance and an electric capacity; Wherein resistance R 11 is parallelly connected with resistance R 12, and first end of these two resistance connects a pin respectively, and second end of these two resistance is connected to first end of capacitor C 11; Second end of electric capacity capacitor C 11 is connected to a pin, forms T type capacitance-resistance filter structure.
According to an embodiment, comprise from recovering overload and short-circuit protection circuit at first output 104 and second output 106.With reference to shown in Figure 4, recover overload and short-circuit protection circuit certainly and have following circuit structure: form by two diodes and an electric capacity, also can comprise a resistance again.Diode D21 connects with D22, is connected respectively to a pin at the two ends of diode in series.First end of capacitor C 21 is connected between two diodes, and second end of capacitor C 21 is connected to a pin.Can also comprise resistance R 21, first end of resistance R 21 is connected between two diodes, and second end of resistance R 21 is connected to first end of capacitor C 21.Resistance R 21 is optional, can not use resistance R 21.
Below appended table 1 listed according to the numbering of each pin and the function that is realized on the encoder pulse distribution plate of an embodiment.
Table 1
The encoder pulse distribution plate of the utility model can carry out compatibility between the variety classes components and parts, realize pulse distribution, simultaneously, between the input of encoder pulse distribution plate and two outputs, carries out effective electrical isolation.
Claims (7)
1. an encoder pulse distribution plate is characterized in that, comprising:
Input is connected to analog encoder through encoder interfaces, and said input produces pulse according to the code signal of analog encoder;
First output is connected to first system through the pulse output interface;
Second output is connected to second system, and wherein second system has and first system's different pulse receive mode;
Wherein, mutual electrical isolation between said input, first output and second output.
2. encoder pulse distribution plate as claimed in claim 1 is characterized in that, carries out electrical isolation by photoelectrical coupler between said input, first output and second output.
3. encoder pulse distribution plate as claimed in claim 2 is characterized in that said encoder interfaces is connected to power supply, and said encoder interfaces comprises triode and the resistance with the power supply series connection.
4. encoder pulse distribution plate as claimed in claim 3 is characterized in that, said power supply is the 24V DC power supply, and said resistance is 750 Ohmic resistances.
5. want device 1 described encoder pulse distribution plate like right, it is characterized in that said pulse output interface comprises diode and resistance.
6. encoder pulse distribution plate according to claim 1 is characterized in that said input comprises T type rc filter circuit.
7. encoder pulse distribution plate as claimed in claim 1 is characterized in that, said first output and second output comprise from recovering overload and short-circuit protection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120263624U CN202135117U (en) | 2011-07-25 | 2011-07-25 | Encoder pulse distributing plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120263624U CN202135117U (en) | 2011-07-25 | 2011-07-25 | Encoder pulse distributing plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202135117U true CN202135117U (en) | 2012-02-01 |
Family
ID=45523873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120263624U Expired - Lifetime CN202135117U (en) | 2011-07-25 | 2011-07-25 | Encoder pulse distributing plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202135117U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107917721A (en) * | 2017-11-02 | 2018-04-17 | 新疆广陆能源科技股份有限公司 | A kind of incremental encoder loop signals branch unit |
-
2011
- 2011-07-25 CN CN201120263624U patent/CN202135117U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107917721A (en) * | 2017-11-02 | 2018-04-17 | 新疆广陆能源科技股份有限公司 | A kind of incremental encoder loop signals branch unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120201 |
|
| CX01 | Expiry of patent term |