CN214253042U - Output signal control circuit and device - Google Patents
Output signal control circuit and device Download PDFInfo
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- CN214253042U CN214253042U CN202120610750.6U CN202120610750U CN214253042U CN 214253042 U CN214253042 U CN 214253042U CN 202120610750 U CN202120610750 U CN 202120610750U CN 214253042 U CN214253042 U CN 214253042U
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Abstract
The utility model discloses an output signal control circuit and a device, wherein the output signal control circuit comprises at least one signal output module, and each signal output module is correspondingly connected with at least one signal input channel; each signal input channel is used for independently outputting a control signal and an adjusting signal to the signal output module connected with the signal input channel according to an input signal; the signal output module is used for outputting a voltage signal according to a corresponding control signal and adjusting the voltage value of the voltage signal according to the adjusting signal; the utility model discloses can ensure effectively that the voltage signal of output can be adjusted at the mains voltage within range, and then realize the effective regulation to analog signal.
Description
Technical Field
The utility model relates to an electronic equipment technical field, in particular to output signal control circuit and device.
Background
The existing signal control system comprises a power supply, a controller and an output signal part, wherein the controller is used for controlling the on-off of the output signal, the voltage cannot be regulated, and further the effective regulation of an analog signal cannot be realized.
Thus, the prior art has yet to be improved and enhanced.
SUMMERY OF THE UTILITY MODEL
In view of the foregoing disadvantages of the prior art, an object of the present invention is to provide an output signal control circuit and device, which can also adjust the voltage value of the output signal while controlling the on/off of the output signal, and further realize the effective adjustment of the analog signal.
In order to achieve the purpose, the utility model adopts the following technical proposal:
an output signal control circuit comprises at least one signal output module, wherein each signal output module is correspondingly connected with at least one path of signal input channel; each signal input channel is used for independently outputting a control signal and an adjusting signal to the signal output module connected with the signal input channel according to an input signal; the signal output module is used for outputting a voltage signal according to the corresponding control signal and adjusting the voltage value of the voltage signal according to the adjusting signal.
In the output signal control circuit, each path of signal input channel comprises a signal input module, a switch module and an adjusting module which are connected in sequence; the signal input module is used for receiving an input signal and controlling the switch-on of the switch module according to the input signal; the switch module is used for outputting a conducting signal to the signal output module through the regulating module when conducting; the adjusting module is used for outputting an adjusting signal to the signal output module when the switch module is conducted.
In the output signal control circuit, the signal input module comprises a signal input interface, and the 1 st pin and the 2 nd pin of the signal input interface are both connected with the switch module.
The output signal control circuit, among, the switch module includes optoelectronic coupler and first resistance, the one end of first resistance is connected the 1 st foot of signal input interface, the other end of first resistance is connected the 1 st foot of optoelectronic coupler, the 2 nd foot of optoelectronic coupler is connected the 2 nd foot of signal input interface, the 3 rd foot of optoelectronic coupler is connected the adjusting module, the 4 th foot of optoelectronic coupler is connected power supply 30.
In the output signal control circuit, the regulating module comprises a voltage stabilizing regulator, a second resistor, a third resistor, a fourth resistor, an inductor, a first capacitor, a second capacitor, a first diode and a slide rheostat; the 4 th pin of the voltage stabilizing regulator is connected with the 3 rd pin of the photoelectric coupler and one end of the second resistor, the other end of the second resistor is grounded, the 2 nd pin and the 3 rd pin of the photoelectric coupler are both grounded, the 1 st pin of the photoelectric coupler is connected with one end of the first capacitor, the other end of the first capacitor is connected with the 6 th pin of the photoelectric coupler and one end of the inductor, the other end of the inductor is connected with one end of the third resistor, the anode of the first diode and one end of the second capacitor, the other end of the second capacitor is grounded, the other ends of the third resistor and the fourth resistor are both connected with the 2 nd pin and the 3 rd pin of the photoelectric coupler, the other end of the fourth resistor is connected with the first end of the slide rheostat, and the second end and the third end of the slide rheostat are both grounded, and the cathode of the first diode is connected with the signal output module.
In the output signal control circuit, the signal output module comprises a second diode and a signal output interface, the cathode of the second diode is connected with the cathode of the first diode and the 1 st pin of the signal output interface, and the anode of the second diode and the 2 nd pin of the signal output interface are both grounded.
In the output signal control circuit, the model of the photoelectric coupler is CT 817.
An output signal control device comprises a PCB, wherein the PCB is provided with the output signal control circuit.
Compared with the prior art, the utility model provides an output signal control circuit and device, output signal control circuit at least one signal output module, and every signal output module corresponds and connects at least one way signal input channel; each signal input channel is used for independently outputting a control signal and an adjusting signal to the signal output module connected with the signal input channel according to an input signal; the signal output module is used for outputting a voltage signal according to a corresponding control signal and adjusting the voltage value of the voltage signal according to the adjusting signal; the utility model discloses can ensure effectively that the voltage signal of output can be adjusted at the mains voltage within range, and then realize the effective regulation to analog signal.
Drawings
Fig. 1 is a block diagram of an output signal control circuit according to the present invention;
fig. 2 and fig. 3 are schematic circuit diagrams of the output signal control circuit provided by the present invention.
Detailed Description
The utility model provides a pair of output signal control circuit and device can also adjust output signal's magnitude of voltage in the control output signal break-make, and then realize the effective regulation to analog signal.
In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the following description of the present invention will refer to the accompanying drawings and illustrate embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Referring to fig. 1, the output signal control circuit provided by the present invention includes at least one signal output module 10, and each signal output module 10 is correspondingly connected to at least one signal input channel 20; each signal input channel 20 is used for independently outputting a control signal and an adjusting signal to the signal output module 10 connected with the signal input channel 20 according to an input signal; the signal output module 10 is configured to output a voltage signal according to a corresponding control signal, and adjust a voltage value of the output voltage according to the adjustment signal; specifically, the output signal control circuit can output multiple voltage signals, and each voltage signal is controlled by multiple signal output channels; each signal input channel 20 can independently control the output of the voltage signal of the signal output module 10; when the signal input channel 20 has an input signal, the corresponding signal output module 10 outputs a voltage signal, otherwise, when the signal input channel 20 has no input signal, the voltage signal output of the signal output module 10 is disconnected, that is, the signal input channel 20 can control the on-off of the voltage signal output of the signal output module 10; when the signal input channel 20 has an input signal, the signal output module 10 outputs a voltage signal, and at the same time, the signal input channel 20 can output an adjustment signal to the signal output module 10, so as to adjust the magnitude of the voltage signal output by the signal output module 10, thereby implementing effective adjustment of the voltage signal output by the signal output module 10.
Further, each path of the signal input channel 20 includes a signal input module 21, a switch module 22 and an adjusting module 23 which are connected in sequence; the signal input module 21 is configured to receive an input signal and control the switch module 22 to be turned on according to the input signal; the switch module 22 is configured to output a conducting signal to the signal output module 10 through the adjusting module 23 when conducting; the adjusting module 23 is configured to output an adjusting signal to the signal output module 10 when the switch module 22 is turned on; the signal input module 21 receives an input signal and outputs the input signal to the switch module 22, so as to control the switch module 22 to be switched on, after the switch module 22 is switched on, the adjusting module 23 outputs a switching-on signal to the signal output module 10, so that the signal output module 10 outputs a voltage signal, and meanwhile, the adjusting module 23 can adjust the voltage value of the output voltage, so that the output voltage is effectively adjusted while the output signal is switched on and off.
Further, referring to fig. 2 and fig. 3 together, the signal input channel further includes a first indication module 24 and a second indication module 25, the first indication module 24 is connected to the signal input module 21 and the switch module 22, respectively, each of the second indication modules 25 is connected to the adjustment module 23 and the signal output module 10, respectively, the first indication module 24 is configured to output corresponding indication information according to an operating state of the signal input module 21, and the second indication module 25 is configured to output corresponding indication information according to an operating state of the signal output module 10; an indication module is arranged on the input side and the output side of each signal input channel 20, when the signal input channel 20 controls the signal output module to output a signal, the first indication module 24 and the second indication module 25 in the signal input channel 20 output corresponding indication information, thereby facilitating intuitive understanding of which signal input channel the voltage signal currently output by the signal output module 10 is controlled by. Further, with continuing reference to fig. 2 and fig. 3, the signal input module 21 includes a signal input interface, and the 1 st pin and the 2 nd pin of the signal input interface are both connected to the switch module 22; the input signal is transmitted to the switch module 22 through the signal input interface, so as to control the signal output module 10 to output a voltage signal.
Further, the switch module 22 includes a photoelectric coupler and a first resistor R1, one end of the first resistor R1 is connected to the 1 st pin of the signal input interface, the other end of the first resistor R1 is connected to the 1 st pin of the photoelectric coupler, the 2 nd pin of the photoelectric coupler is connected to the 2 nd pin of the signal input interface, the 3 rd pin of the photoelectric coupler is connected to the adjusting module 23, the 4 th pin of the photoelectric coupler is connected to the power supply 30, and when the input signal is output to the photoelectric coupler through the signal input interface, the photoelectric coupler is electrically connected, so that the signal output module 10 outputs a voltage signal.
Further, the adjusting module 23 includes a voltage stabilizing adjuster, a second resistor R2, a third resistor R3, a fourth resistor R4, an inductor L1, a first capacitor C1, a second capacitor C2, a first diode D1, and a sliding rheostat RV 1; the 4 th pin of the voltage stabilizing regulator is connected with the 3 rd pin of the photoelectric coupler and one end of the second resistor R2, the other end of the second resistor R2 is grounded, the 2 nd pin and the 3 rd pin of the photoelectric coupler are both grounded, the 1 st pin of the photoelectric coupler is connected with one end of the first capacitor C1, the other end of the first capacitor C1 is connected with the 6 th pin of the photoelectric coupler and one end of the inductor L1, the other end of the inductor L1 is connected with one end of the third resistor R3, the positive electrode of the first diode D1 and one end of the second capacitor C2, the other end of the second capacitor C2 is grounded, the other end of the third resistor R3 and one end of the fourth resistor R4 are both connected with the 2 nd pin and the 3 rd pin of the photoelectric coupler, the other end of the fourth resistor R4 is connected with the first end of the sliding rheostat 1, and the second end of the sliding rheostat R1 and the third end of the rheostat are both grounded, the negative electrode of the first diode D1 is connected to the signal output module 10, and the model of the photocoupler in this embodiment is CT 817; when the photoelectric coupler is turned on, the regulating voltage stabilizer can be enabled to enter a working state, and the magnitude of the voltage signal output by the signal output module 10 can be regulated through the regulating voltage stabilizer.
Further, the signal output module 10 includes a second diode D2 and a signal output interface, a cathode of the second diode D2 is connected to a cathode of the first diode D1 and a 1 st pin of the signal output interface, an anode of the second diode D2 and a 2 nd pin of the signal output interface are both grounded, and when the photocoupler is turned on, the signal input interface outputs a corresponding ground voltage signal to an external load.
Further, the first indication module 24 includes a fifth resistor R5 and a first light emitting diode, and the second indication module 25 includes a sixth resistor R6 and a second light emitting diode; one end of the fifth resistor R5 is connected to the 1 st pin of the signal input interface and one end of the first resistor, the other end of the fifth resistor R5 is connected to the anode of the first light emitting diode, and the cathode of the first light emitting diode is connected to the 2 nd pin of the photoelectric coupler; one end of the sixth resistor R6 is connected to the anode of the first diode, the other end of the sixth resistor R6 is connected to the anode of the second light emitting diode, and the cathode of the second light emitting diode is connected to the 2 nd pin of the signal output interface; when the signal input interface receives an input signal, so that the signal output interface outputs a voltage signal, the first light emitting diode and the second light emitting diode are both lighted, and the working state of the current signal output interface can be intuitively known.
In this embodiment, two signal output modules 10 are taken as an example, and each signal output module 10 is correspondingly connected with two signal output channels (four corresponding signal input channels); the signal output control circuit comprises four signal input interfaces (respectively designated as CN1, CN2, CN3 and CN4), two signal output interfaces (respectively designated as CN5 and CN6), four photo-couplers (respectively designated as OPT1, OPT2, OPT3 and OPT4), four voltage-stabilizing regulators (respectively designated as U1, U2, U3 and U4) and eight light emitting diodes (respectively designated as LED1, LED2, LED3, LED4, LED5, LED6, LED7 and LED8), and the four signal input channels 20 share one power input interface CN 7; the input signals received by the signal input interfaces CN1 and CN2 respectively pass through the photocouplers OPT1 and OPT2 to control the on/off of the voltage signal output by the signal output interface CN5, and the voltage-stabilizing dimmers U1 and U2 are used to adjust the voltage value of the voltage signal output by the signal output interface CN 5; the input signals received by the signal input interfaces CN3 and CN4 respectively pass through the photocouplers OPT3 and OPT4 to control the on/off of the voltage signal output by the signal output interface CN6, and the voltage-stabilizing dimmers U3 and U4 are used to adjust the voltage value of the voltage signal output by the signal output interface CN6, so that the voltage signal output by each signal output interface is controlled by two signal input channels 20, and the voltage values of the voltage signals can be adjusted by the two signal input channels 20 at the same time, and the voltage value of the voltage signal can also be adjusted individually, so that the voltage signal output by the signal output interface can be adjusted within the range of the power voltage; when the input signal received by the signal input interface CN1 controls the voltage signal output by the signal output interface CN5, both the light emitting diode LED1 and the LED2 are turned on, when the input signal received by the signal input interface CN2 controls the voltage signal output by the signal output interface CN5, both the light emitting diode LED3 and the LED4 are turned on, when the input signal received by the signal input interface CN3 controls the voltage signal output by the signal output interface CN6, both the light emitting diode LED5 and the LED6 are turned on, and when the input signal received by the signal input interface CN4 controls the voltage signal output by the signal output interface CN6, both the light emitting diode LED7 and the LED8 are turned on, so that which signal input channel controls the corresponding signal output interface to output the voltage signal can be intuitively understood.
The utility model also provides an output signal control device, including the PCB board, the PCB board is provided with the output signal control circuit as above, because the above has carried out detailed description to this output signal control circuit, no longer give details here; the output signal control device in the embodiment can effectively adjust the output voltage signal, ensure that the voltage signal can be adjusted in a stepless manner within the power supply voltage range, so as to be convenient for matching different loads, improve the application range of a signal control system, and realize the separation of the output adjustable voltage signal and a controller, thereby reducing the application cost.
To sum up, the utility model provides an output signal control circuit and device, the output signal control circuit has at least one signal output module, and each signal output module is correspondingly connected with at least one signal input channel; each signal input channel is used for independently outputting a control signal and an adjusting signal to the signal output module connected with the signal input channel according to an input signal; the signal output module is used for outputting a voltage signal according to a corresponding control signal and adjusting the voltage value of the voltage signal according to the adjusting signal; the utility model discloses can ensure effectively that the voltage signal of output can be adjusted at the mains voltage within range, and then realize the effective regulation to analog signal.
It should be understood that equivalent alterations and modifications can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such alterations and modifications should fall within the scope of the appended claims.
Claims (8)
1. An output signal control circuit is characterized by comprising at least one signal output module, wherein each signal output module is correspondingly connected with at least one path of signal input channel; each signal input channel is used for independently outputting a control signal and an adjusting signal to the signal output module connected with the signal input channel according to an input signal; the signal output module is used for outputting a voltage signal according to the corresponding control signal and adjusting the voltage value of the voltage signal according to the adjusting signal.
2. The output signal control circuit of claim 1, wherein each of the signal input channels comprises a signal input module, a switch module and a regulation module connected in sequence; the signal input module is used for receiving an input signal and controlling the switch-on of the switch module according to the input signal; the switch module is used for outputting a conducting signal to the signal output module through the regulating module when conducting; the adjusting module is used for outputting an adjusting signal to the signal output module when the switch module is conducted.
3. The output signal control circuit of claim 2, wherein the signal input module comprises a signal input interface, and the 1 st pin and the 2 nd pin of the signal input interface are both connected to the switch module.
4. The output signal control circuit according to claim 3, wherein the switch module comprises a photocoupler and a first resistor, one end of the first resistor is connected to the 1 st pin of the signal input interface, the other end of the first resistor is connected to the 1 st pin of the photocoupler, the 2 nd pin of the photocoupler is connected to the 2 nd pin of the signal input interface, the 3 rd pin of the photocoupler is connected to the adjustment module, and the 4 th pin of the photocoupler is connected to the power supply 30.
5. The output signal control circuit of claim 4, wherein the regulating module comprises a voltage regulator, a second resistor, a third resistor, a fourth resistor, an inductor, a first capacitor, a second capacitor, a first diode, and a sliding rheostat; the 4 th pin of the voltage stabilizing regulator is connected with the 3 rd pin of the photoelectric coupler and one end of the second resistor, the other end of the second resistor is grounded, the 2 nd pin and the 3 rd pin of the photoelectric coupler are both grounded, the 1 st pin of the photoelectric coupler is connected with one end of the first capacitor, the other end of the first capacitor is connected with the 6 th pin of the photoelectric coupler and one end of the inductor, the other end of the inductor is connected with one end of the third resistor, the anode of the first diode and one end of the second capacitor, the other end of the second capacitor is grounded, the other ends of the third resistor and the fourth resistor are both connected with the 2 nd pin and the 3 rd pin of the photoelectric coupler, the other end of the fourth resistor is connected with the first end of the slide rheostat, and the second end and the third end of the slide rheostat are both grounded, and the cathode of the first diode is connected with the signal output module.
6. The output signal control circuit of claim 5, wherein the signal output module comprises a second diode and a signal output interface, a cathode of the second diode is connected to a cathode of the first diode and a 1 st pin of the signal output interface, and an anode of the second diode and a 2 nd pin of the signal output interface are both grounded.
7. The output signal control circuit of claim 5, wherein the model of the photo coupler is CT 817.
8. An output signal control device comprising a PCB board, wherein the PCB board is provided with an output signal control circuit according to any one of claims 1 to 7.
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| CN202120610750.6U CN214253042U (en) | 2021-03-25 | 2021-03-25 | Output signal control circuit and device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120610750.6U CN214253042U (en) | 2021-03-25 | 2021-03-25 | Output signal control circuit and device |
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| CN214253042U true CN214253042U (en) | 2021-09-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112987835A (en) * | 2021-03-25 | 2021-06-18 | 深圳市华拓半导体技术有限公司 | Output signal control circuit and device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112987835A (en) * | 2021-03-25 | 2021-06-18 | 深圳市华拓半导体技术有限公司 | Output signal control circuit and device |
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