CN218825253U - Signal control circuit - Google Patents
Signal control circuit Download PDFInfo
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- CN218825253U CN218825253U CN202223603520.0U CN202223603520U CN218825253U CN 218825253 U CN218825253 U CN 218825253U CN 202223603520 U CN202223603520 U CN 202223603520U CN 218825253 U CN218825253 U CN 218825253U
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- coupler chip
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- 230000003287 optical effect Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The utility model discloses a signal control circuit, including opto-coupler chip and resistance R1, resistance R1's one end is connected with a pin of opto-coupler chip, and resistance R1's the other end is used for connecting outside positive signal end, and No. two pins of opto-coupler chip are used for connecting outside negative signal end, and No. three pin ground connections of opto-coupler chip still include resistance R2, resistance R3, resistance R4 and triode Q1, and resistance R2's one end is connected with No. 4 pins of opto-coupler chip, and resistance R2's the other end is connected with outside power end, resistance R3's one end is connected with No. 4 pins of opto-coupler chip, and resistance R3's the other end is connected with triode Q1's base, resistance R4's one end is connected with resistance R2's the other end, and resistance R4's the other end is connected with triode Q1's collecting electrode, resistance R4's the other end is signal output part, triode Q1's projecting pole ground connection, this structure can realize the positive logic control and negative logic control of signal, and circuit design reliability is high, and stability is high.
Description
Technical Field
The utility model relates to a control of the automatic multiaxis signal of trade is used to laser, in particular to signal control circuit.
Background
In the field of laser application, external multiple shafts are generally required to be linked to realize automatic production of the whole production line, the traditional relay is used for realizing isolation and communication with a signal front stage and a signal rear stage in the conventional use method, the controllable signals of the method can only be TTL types, a differential signal control mode cannot be realized, the occupied space is large, the cost is high, and actual automatic wiring is complex.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide a simple structure, suitability strong signal control circuit.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a signal control circuit, includes the opto-coupler chip, still includes resistance R1, resistance R1's one end is connected with a pin of opto-coupler chip, resistance R1's the other end is used for connecting outside positive signal end, no. two pins of opto-coupler chip are used for connecting outside negative signal end, no. three pin ground connections of opto-coupler chip still include resistance R2, resistance R3, resistance R4 and triode Q1, resistance R2's one end is connected with No. 4 pins of opto-coupler chip, resistance R2's the other end is connected with outside power end, resistance R3's one end is connected with No. 4 pins of opto-coupler chip, resistance R3's the other end is connected with triode Q1's base, resistance R4's one end is connected with resistance R2's the other end, resistance R4's the other end is connected with triode Q1's collecting electrode, resistance R4's the other end is signal output part, triode Q1's projecting pole ground connection.
Further, the method comprises the following steps: still include LED lamp and resistance R5, the positive terminal and the other end of resistance R4 of LED lamp are connected, the negative terminal and the one end of resistance R5 of LED lamp are connected, resistance R5's the other end ground connection.
Further, the method comprises the following steps: still include electric capacity C1, electric capacity C1's one end is connected with the pin of opto-coupler chip, electric capacity C1's the other end is connected with the pin No. two of opto-coupler chip.
Further, the method comprises the following steps: the signal of the optical coupler chip is TP521.
Further, the method comprises the following steps: the triode Q1 is an NPN type triode.
The utility model has the advantages that:
1. whether signal output is controlled to the No. four pin of accessible opto-coupler chip, and circuit design reliability is high, and stability is high.
2. Positive logic control and negative logic control of the signals can be realized.
3. Through the design of the LED, the actual control condition of the signal can be detected more intuitively, and judgment can be made more quickly when a fault occurs.
4. The capacitor C1 can well filter interference signals, and the phenomenon that the optical coupling module makes wrong output judgment due to the existence of the interference signals is avoided.
5. The positive input signal and the negative input signal in the design can be TTL signals or differential control signals, the input range supports +5V to +24V in industrial application, and various types of sensors can be accessed.
Drawings
Fig. 1 is a schematic structural diagram of a signal control circuit according to an embodiment of the present application.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings.
As shown in fig. 1, the embodiment of this application discloses a signal control circuit, including the opto-coupler chip, still include resistance R1, resistance R1's one end is connected with a pin of opto-coupler chip, resistance R1's the other end is used for connecting outside positive signal end, no. two pins of opto-coupler chip are used for connecting outside negative signal end, no. three pin ground connections of opto-coupler chip still include resistance R2, resistance R3, resistance R4 and triode Q1, resistance R2's one end is connected with No. 4 pins of opto-coupler chip, resistance R2's the other end is connected with outside power end, resistance R3's one end is connected with No. 4 pins of opto-coupler chip, resistance R3's the other end is connected with triode Q1's base, resistance R4's one end is connected with resistance R2's the other end, resistance R4's the other end is connected with triode Q1's collecting electrode, resistance R4's the other end is signal output part, triode Q1's projecting pole ground connection.
Specifically, the signal of the optocoupler chip is TP521, and the triode Q1 is an NPN-type triode.
The specific working principle is as follows: when a voltage larger than or equal to 5V or a current larger than or equal to 50mA is generated between the first pin and the second pin of the optocoupler chip, the optocoupler chip works, a conducting state is formed between the third pin and the fourth pin of the optocoupler chip, the fourth pin of the optocoupler chip is 0V at the moment, the base of the triode Q1 does not have a base current Ib, the triode Q1 is in a cut-off state at the moment, the Signal output end outputs the voltage (+ 5V- + 24V) of a power supply end through a resistor R4 at the moment, and therefore the Signal transmission effect is achieved, if the voltage difference between the first pin and the second pin of the optocoupler chip is less than 5V or the current is less than 50mA, the optocoupler chip does not work at the moment, the third pin and the fourth pin of the optocoupler chip are in a cut-off state, the base of the triode Q1 has a current Ib flowing through, the triode Q1 is in a saturated state, so that the collector and the emitter of the triode Q1 are conducted to be 0V, and the Signal _ out output to be 0V at the moment.
Meanwhile, the voltage of the power supply end can be changed according to the requirements of specific control signals, so that high-level signals or low-level signals can be output.
In the above structure, the positive input signal and the negative input signal in the present design may be TTL signals or differential control signals, and the input range supports +5V to +24V in industrial applications, and can be connected to various types of sensors. The input end can realize positive logic control (namely, inputting high level- > outputting high level) and negative logic control (namely, inputting high level- > outputting low level) of signals in a wiring mode.
In this embodiment, the lighting device further includes an LED lamp and a resistor R5, a positive end of the LED lamp is connected to the other end of the resistor R4, a negative end of the LED lamp is connected to one end of the resistor R5, and the other end of the resistor R5 is grounded.
Specifically, when the signal output terminal outputs the voltage of the power supply terminal VCC through the resistor R4, the LED lamp emits light, otherwise the LED does not emit light.
In the structure, through the design of the LED, the actual control condition of the signal can be detected more intuitively, and the judgment can be made more quickly when a fault occurs.
In this embodiment, still include electric capacity C1, electric capacity C1's one end is connected with the pin of opto-coupler chip No. one, electric capacity C1's the other end is connected with the pin No. two of opto-coupler chip.
In this structure, electric capacity C1's setting can be fine play the effect of filtering interfering signal, avoids responding interfering signal's existence to lead to opto-coupler module to make wrong output judgement.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (5)
1. A signal control circuit, characterized by: including the opto-coupler chip, still include resistance R1, resistance R1's one end is connected with a pin of opto-coupler chip, resistance R1's the other end is used for connecting outside positive signal end, no. two pins of opto-coupler chip are used for connecting outside negative signal end, no. three pin ground connections of opto-coupler chip still include resistance R2, resistance R3, resistance R4 and triode Q1, resistance R2's one end is connected with No. 4 pins of opto-coupler chip, resistance R2's the other end is connected with outside power end, resistance R3's one end is connected with No. 4 pins of opto-coupler chip, resistance R3's the other end is connected with triode Q1's base, resistance R4's one end is connected with resistance R2's the other end, resistance R4's the other end is connected with triode Q1's collecting electrode, resistance R4's the other end is signal output part, triode Q1's projecting pole ground connection.
2. The signal control circuit of claim 1, wherein: still include LED lamp and resistance R5, the positive terminal of LED lamp is connected with resistance R4's the other end, the negative terminal of LED lamp is connected with resistance R5's one end, resistance R5's the other end ground connection.
3. The signal control circuit of claim 1, wherein: still include electric capacity C1, electric capacity C1's one end is connected with the pin of opto-coupler chip, electric capacity C1's the other end is connected with the pin No. two of opto-coupler chip.
4. The signal control circuit of claim 1, wherein: the signal of the optical coupling chip is TP521.
5. The signal control circuit of claim 1, wherein: the triode Q1 is an NPN type triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223603520.0U CN218825253U (en) | 2022-12-30 | 2022-12-30 | Signal control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223603520.0U CN218825253U (en) | 2022-12-30 | 2022-12-30 | Signal control circuit |
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| Publication Number | Publication Date |
|---|---|
| CN218825253U true CN218825253U (en) | 2023-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223603520.0U Active CN218825253U (en) | 2022-12-30 | 2022-12-30 | Signal control circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119787814A (en) * | 2025-03-05 | 2025-04-08 | 成都智芯雷通微系统技术有限公司 | A positive and negative logic control circuit and a switching power supply circuit |
-
2022
- 2022-12-30 CN CN202223603520.0U patent/CN218825253U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119787814A (en) * | 2025-03-05 | 2025-04-08 | 成都智芯雷通微系统技术有限公司 | A positive and negative logic control circuit and a switching power supply circuit |
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