CN204334521U - A kind of signal processing circuit plate of encoder - Google Patents
A kind of signal processing circuit plate of encoder Download PDFInfo
- Publication number
- CN204334521U CN204334521U CN201420824880.XU CN201420824880U CN204334521U CN 204334521 U CN204334521 U CN 204334521U CN 201420824880 U CN201420824880 U CN 201420824880U CN 204334521 U CN204334521 U CN 204334521U
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- comparator
- resistance
- signal processing
- signal
- triode
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Abstract
The utility model relates to encoder, refers to a kind of signal processing circuit plate of encoder especially.The utility model adopts following technical scheme: comprise three groups of signal processing components, each signal processing component comprises the first photocell signal input part, second photocell signal input part, comparator U1A and triode Q1, first photocell signal input part is connected with the first electrode input end of comparator, second photocell signal input part is connected with the first negative input of comparator, the output of this comparator is connected with resistance R5, the other end of this resistance R5 is connected with the base stage of triode, the collector electrode of this triode is connected with resistance R6, the other end of resistance R6 is connected with signal output part, the grounded emitter of triode, the utility model is: be provided with three groups of signal processing components in the circuit board, reduce the usage quantity of chip, reduce production cost, and many places ground connection in the circuit board, effectively reduce external signal interference, substantially increase the stability of product.
Description
Technical field
The utility model relates to encoder, refers to a kind of signal processing circuit plate of encoder especially.
Background technology
Encoder be signal (as bit stream) or data are carried out work out, being converted to can in order to the equipment of the signal form of communication, transmission and storage.
And existing encoder is at this block of signal transacting, substantially adopt two chips in the circuit board, containing two comparators in one of them chip, another one contains a comparator, and could realize the transmission to signal in encoder like this, such cost is higher.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of production cost lower and the signal processing circuit plate of encoder that is not easily interfered of signal.
The technical solution of the utility model is achieved in that a kind of signal processing circuit plate of encoder, it is characterized in that: comprise three groups of signal processing components, each signal processing component comprises the first photocell signal input part, second photocell signal input part, comparator U1A and triode Q1, first photocell signal input part is connected with the first electrode input end of comparator, second photocell signal input part is connected with the first negative input of comparator, the output of this comparator is connected with resistance R5, the other end of this resistance R5 is connected with the base stage of triode, the collector electrode of this triode is connected with resistance R6, the other end of resistance R6 is connected with signal output part, the grounded emitter of triode.
Be preferably, between the first electrode input end of this comparator and the output of comparator, be parallel with resistance R3 and resistance R1, and the public connecting end ground connection of resistance R3 and resistance R1.
Be preferably, be parallel with resistance R4 between the second electrode input end of this comparator and the output of comparator, the second electrode input end of this comparator is connected with power end.
Be preferably, be parallel with resistance R2 between the first negative input of this comparator and the second negative input of comparator, the second negative input ground connection of this comparator.
By adopting technique scheme, being provided with three groups of signal processing components in the circuit board, effectively reducing the usage quantity of chip, reduce production cost, and many places ground connection in the circuit board, effectively reduce external signal interference, the stability of product can be substantially increased.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is signal processing component circuit diagram in the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, the utility model discloses a kind of signal processing circuit plate of encoder, in the utility model specific embodiment, comprise three groups of signal processing components, each signal processing component comprises the first photocell signal input part, second photocell signal input part, comparator U1A and triode Q1, first photocell signal input part is connected with the first electrode input end 5 of comparator, second photocell signal input part is connected with the first negative input 4 of comparator, the output 2 of this comparator is connected with resistance R5, the other end of this resistance R5 is connected with the base stage of triode Q1, the collector electrode of this triode Q1 is connected with resistance R6, the other end of resistance R6 is connected with signal output part OUT-A, the grounded emitter of triode Q1.
In the utility model specific embodiment, between first electrode input end 5 of this comparator U1A and the output 2 of comparator, be parallel with resistance R3 and resistance R1, and the public connecting end ground connection of resistance R3 and resistance R1.
In the utility model specific embodiment, be parallel with resistance R4 between the second electrode input end 3 of this comparator and the output 2 of comparator, the second electrode input end 3 of this comparator is connected with power end.
In the utility model specific embodiment, between the first negative input 4 of this comparator and the second negative input 12 of comparator, be parallel with resistance R2, the second negative input 12 ground connection of this comparator.
By adopting technique scheme, two photocell Signal reception are come to carry out signal by comparator and are compared amplification, then signal output is carried out by triode, be provided with three groups of signal processing components in the circuit board, effectively reduce the usage quantity of chip, reduce production cost, and many places ground connection in the circuit board, effectively reduce external signal interference, the stability of product can be substantially increased.
The foregoing is only 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 amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (4)
1. the signal processing circuit plate of an encoder, it is characterized in that: comprise three groups of signal processing components, each signal processing component comprises the first photocell signal input part, second photocell signal input part, comparator U1A and triode Q1, first photocell signal input part is connected with the first electrode input end of comparator, second photocell signal input part is connected with the first negative input of comparator, the output of this comparator is connected with resistance R5, the other end of this resistance R5 is connected with the base stage of triode, the collector electrode of this triode is connected with resistance R6, the other end of resistance R6 is connected with signal output part, the grounded emitter of triode.
2. the signal processing circuit plate of encoder according to claim 1, is characterized in that: be parallel with resistance R3 and resistance R1 between the first electrode input end of this comparator and the output of comparator, and the public connecting end ground connection of resistance R3 and resistance R1.
3. the signal processing circuit plate of encoder according to claim 1, is characterized in that: be parallel with resistance R4 between the second electrode input end of this comparator and the output of comparator, the second electrode input end of this comparator is connected with power end.
4. the signal processing circuit plate of encoder according to claim 1, is characterized in that: be parallel with resistance R2 between the first negative input of this comparator and the second negative input of comparator, the second negative input ground connection of this comparator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420824880.XU CN204334521U (en) | 2014-12-23 | 2014-12-23 | A kind of signal processing circuit plate of encoder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420824880.XU CN204334521U (en) | 2014-12-23 | 2014-12-23 | A kind of signal processing circuit plate of encoder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204334521U true CN204334521U (en) | 2015-05-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420824880.XU Expired - Fee Related CN204334521U (en) | 2014-12-23 | 2014-12-23 | A kind of signal processing circuit plate of encoder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204334521U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110243401A (en) * | 2019-07-26 | 2019-09-17 | 浙江禾川科技股份有限公司 | The decoding apparatus of the photocell of optical encoder and optomagnetic encoder |
-
2014
- 2014-12-23 CN CN201420824880.XU patent/CN204334521U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110243401A (en) * | 2019-07-26 | 2019-09-17 | 浙江禾川科技股份有限公司 | The decoding apparatus of the photocell of optical encoder and optomagnetic encoder |
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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: 20150513 Termination date: 20181223 |