CN211184118U - Signal transmission circuit - Google Patents
Signal transmission circuit Download PDFInfo
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- CN211184118U CN211184118U CN201922455108.0U CN201922455108U CN211184118U CN 211184118 U CN211184118 U CN 211184118U CN 201922455108 U CN201922455108 U CN 201922455108U CN 211184118 U CN211184118 U CN 211184118U
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Abstract
The utility model relates to an image signal gathers technical field, concretely relates to signal transmission circuit, because utilize outside DC5V input or main control circuit to input the power supply from the connector, main control circuit is through converting the signal into image signal transmission to signal output interface to realize controlling image sensor through main control circuit, this kind of signal transmission mode need not to increase the treater, has reduced software development cost, has reduced product cost; in addition, the signal transmission mode can transmit a large amount of control signal time sequences by using a small amount of cables, the wiring is simple, and the quality of transmission signals is stable. Meanwhile, the main control circuit only supports DVP image signal output; the method is suitable for product developers developing vehicle-mounted system image acquisition.
Description
Technical Field
The utility model relates to an image signal gathers technical field, particularly, relates to a signal transmission circuit.
Background
At present, image navigation equipment, monitoring equipment and camera equipment on the market are various, but the image navigation equipment, the monitoring equipment and the camera equipment are not used for solving the complex road traffic conditions formed by people, vehicles, roads and environments, and the randomness and the contingency of traffic accidents are determined by the uncertainty and the variability of factors of the image navigation equipment, the monitoring equipment and the camera equipment. In order to minimize traffic accidents, it is necessary to accurately grasp the vehicle conditions of vehicles on the road in time to ensure safe driving, and therefore, it is important to acquire and monitor images of vehicles. The mode is relatively fixed, and less images can be acquired. The images available for reference later are also relatively single.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves is to cable transmission a large amount of control signal chronogenesis among the prior art among the signal transmission mode, walks the line complicacy, and transmission signal quality is unstable moreover, provides a simple structure signal transmission circuit.
In order to solve the above problems, the present invention provides a signal transmission circuit, which comprises a main control circuit, a connector, a signal output interface and a power supply circuit, wherein the main control circuit is connected with the connector; the main control circuit comprises an image sensor, the image sensor is used for data transmission, the image sensor is in communication connection with the signal output interface, the main control circuit further comprises a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a fifth capacitor, a sixth capacitor, a seventh capacitor, an eighth capacitor, a ninth capacitor, a tenth capacitor, an eleventh capacitor, a twelfth capacitor, a thirteenth capacitor, a fourteenth capacitor, a fifteenth capacitor, a sixteenth capacitor, a seventeenth capacitor, a eighteenth capacitor, a nineteenth capacitor, a twentieth capacitor, a twenty-first capacitor, a twenty-second capacitor and a twenty-third capacitor, a first resistor is connected with a D2 pin of the image sensor in a terminating mode, the other terminal is connected with a D1 pin of the image sensor, and a first capacitor of a second capacitor is connected with a D2 pin of the image sensor in a terminating mode, the other end of the third capacitor is connected with a pin D1 of the image sensor, the first end of the third capacitor is connected with a pin C2 of the image sensor, the other end of the fourth capacitor is connected with a pin C2 of the image sensor, the fifth capacitor is connected with the first resistor in series, one end of the fifth capacitor is connected with a pin F1 of the image sensor, the other end of the fifth capacitor is connected with ground, the first end of the sixth capacitor is connected with a pin F1 of the image sensor, the other end of the sixth capacitor is connected with a common end of the fifth capacitor and the first resistor, a pin B2 of the image sensor is connected with ground, one end of the fifth capacitor is connected with a pin B2 of the image sensor, one end of the seventh capacitor is connected with ground, the other end of the sixth capacitor is connected with a pin G2 of the image sensor, one end of the eighth capacitor is connected with a seventh capacitor, the other end of the image sensor is connected with a pin C3 of the image sensor, the other end of the eleventh capacitor is connected with a pin B3 of the image sensor, the other end of the eleventh capacitor is connected with a tenth capacitor, the first end of the twelfth capacitor is connected with a pin D9 of the image sensor, the other end of the twelfth capacitor is grounded, the first end of the thirteenth capacitor is connected with a pin E2 of the image sensor, the other end of the fourteenth capacitor is connected with a pin H3 of the image sensor, the other end of the fourteenth capacitor is connected with a pin H6 of the image sensor, the other end of the fifteenth capacitor is connected with a pin fourteenth capacitor, the other end of the sixteenth capacitor is grounded, the pin A4 of the image sensor at the other end, the first end of the seventeenth capacitor is connected with a pin A8 of the image sensor, the other end of the sixteenth capacitor is connected with a pin F1 of the image sensor, the other end of the seventeenth capacitor, the first end of the nineteenth capacitor is connected with a pin G4 of the image sensor, the other end of the image sensor is connected with a nineteenth capacitor, one end of a twenty-first capacitor is connected with a G9 pin of the image sensor, the other end of the twenty-second capacitor is connected with a twentieth capacitor, one end of a twenty-second capacitor is connected with an H4 pin of the image sensor, the other end of the twenty-first capacitor is connected with a twenty-third capacitor, one end of the twenty-third capacitor is connected with an H5 pin of the image sensor, the other end of the twenty-second capacitor is connected with a twenty-second capacitor, and an A3 pin, a B9 pin, an E10 pin, an F2 pin, a G86.
The circuit further comprises a first power circuit, the first power circuit is electrically connected with the sensor, the first power circuit comprises a power chip, a twenty-fourth capacitor, a twenty-fifth capacitor, a twenty-sixth capacitor, a twenty-seventh capacitor, a twenty-eighth capacitor, a twenty-ninth capacitor, a thirty-fourth capacitor, a second resistor, a third resistor, a fourth resistor, a first skip cap and a first inductor, one end of the twenty-fourth capacitor is connected with the first pin of the power chip, the other end of the twenty-fourth capacitor is grounded, the first pin of the power chip is connected with 5V voltage, one end of the twenty-fifth capacitor is connected with the first capacitor, the other end of the twenty-fifth capacitor is connected with the first pin of the power chip, one end of the second resistor is connected with the third pin of the power chip, the other end of the second resistor is connected with the first pin of the power chip, the third resistor is connected with the fourth resistor in series, one end of the third resistor is connected with the fifth pin of the power chip, the other end of, the other end of the first capacitor is connected with a fourth resistor, a fourth pin of the power chip is connected with a common end of the third resistor and the fourth resistor, one end of a twenty-seventh capacitor is grounded, the other end of the twenty-eighth capacitor is connected with a fifth pin of the power chip, the first end of the twenty-eighth capacitor is connected with the twenty-seventh capacitor, the other end of the twenty-eighth capacitor is connected with the fifth pin of the power chip, the first skip cap, the first inductor and the twenty-ninth capacitor are connected in series, one end of the first skip cap, one end of the first inductor and one end of the twenty-ninth capacitor are connected with the fifth pin of the power chip, the other end of the first inductor and the common end of the twenty-ninth.
Further, the circuit also includes a second power supply circuit electrically connected to the B3 th pin of the image sensor.
Furthermore, the circuit also comprises a third power supply circuit which is electrically connected with the D9 pin-H6 pin of the image sensor.
Furthermore, the power supply circuit comprises a second inductor, a thirty-first capacitor and a thirty-second capacitor, the second inductor is connected in series with the thirty-first capacitor, one end of the second inductor is grounded, the other end of the second inductor is connected with the first pin of the power supply chip, one end of the thirty-second capacitor is connected with the second inductor, and the other end of the thirty-second capacitor is connected with the thirty-first capacitor.
Furthermore, the circuit further includes a L ED driving circuit, the L ED driving circuit includes a voltage-synchronous buck L ED driver, a dc power interface, a second skip-select cap, a third skip-select cap, a thirty-third capacitor, a thirty-fourth capacitor, a thirty-fifth capacitor, a thirty-sixth capacitor, a thirty-seventh capacitor, a fifth resistor, a sixth resistor, a seventh resistor, an eighth resistor, a ninth resistor, a third inductor, a first L ED diode and a second L ED diode, one end of the third skip-select cap is connected to a fortieth pin of the signal output interface, the other end of the third skip-select cap is connected to a fifth pin of the voltage-synchronous buck L ED driver, one end of the fifth resistor is electrically connected to the first power circuit, the second power circuit and the third power circuit respectively, another end of the voltage-synchronous buck L d diode is connected to a fifth pin of the signal output interface, one end of the sixth resistor is connected to a ground, the other end of the voltage-synchronous buck L ED driver is connected to a fifth pin of the signal output interface, the voltage-synchronous buck L, the fifth pin is connected to the fifth pin of the first power circuit, the thirty-synchronous buck capacitor, the fifth power circuit is connected to the thirty-synchronous buck cap, the thirty-synchronous buck capacitor, one end of the fifth capacitor is connected to the thirty-skip-synchronous buck capacitor, the fifth resistor, the thirty-synchronous buck capacitor is connected to the fifth power circuit, the thirty-synchronous buck capacitor is connected to the fifth power circuit, the thirty-buck capacitor, the thirty-synchronous buck capacitor is connected to the thirty-synchronous buck capacitor, the fifth pin of the thirty-synchronous buck capacitor, the thirty-synchronous buck capacitor is connected to the fifth power circuit, the thirty-synchronous buck capacitor is connected to the fifth pin of the thirty-synchronous buck L ED driver, the thirty-synchronous buck capacitor is connected to the.
Further, the model of the image sensor is OV 2778.
Further, the power chip has a model number of L P5907QMFX-3.3VQ 1.
Further, the voltage synchronous buck L ED driver model is TPS 54201.
In the signal transmission circuit of the utility model, the power supply is input from the connector by utilizing the external DC5V input or the main control circuit, and the main control circuit converts the signal into the image signal and transmits the image signal to the signal output interface so as to realize the control of the image sensor by the main control circuit; in addition, the signal transmission mode can transmit a large amount of control signal time sequences by using a small amount of cables, the wiring is simple, and the quality of transmission signals is stable. Meanwhile, the main control circuit only supports DVP image signal output; the method is suitable for product developers developing vehicle-mounted system image acquisition.
Drawings
In order to illustrate more clearly the embodiments of the invention or the solutions of the prior art, reference will now be made briefly to the attached drawings that are needed in the description of the embodiments or the prior art, it being understood that the drawings in the description illustrate only some embodiments of the invention and are therefore not to be considered limiting of its scope, and that, to a person skilled in the art, other related drawings can be obtained from these drawings without inventive effort.
Fig. 1 is a schematic circuit diagram of a main control circuit in a signal transmission circuit according to the present invention;
fig. 2 is a schematic circuit diagram of a connector in a signal transmission circuit according to the present invention;
fig. 3 is a schematic circuit diagram of a signal output interface of a signal transmission circuit according to the present invention;
fig. 4 is a schematic circuit diagram of a first power circuit in a signal transmission circuit according to the present invention;
fig. 5 is a schematic circuit diagram of a second power circuit of the signal transmission circuit according to the present invention;
fig. 6 is a schematic circuit diagram of a third power circuit of the signal transmission circuit according to the present invention;
fig. 7 is a schematic circuit diagram of a medium power supply of a signal transmission circuit according to the present invention;
fig. 8 is a schematic circuit diagram of an L ED driving circuit of the signal transmission circuit according to the present invention.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
To more clearly illustrate the technical solution of the present invention, the following claims are made in further detail with reference to specific embodiments and drawings, and it is understood that the following drawings only show some embodiments of the present invention, and therefore should not be considered as limiting the scope, and any person who makes limited number of modifications within the scope of the claims of the present invention is still within the scope of the claims of the present invention.
It should be understood that in the description of the present invention, it is to be noted that the terms "upper", "lower", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship that the products of the present invention are conventionally placed when in use, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 to 8, the device comprises a main control circuit, a connector, a signal output interface and a power supply circuit, wherein; the main control circuit comprises an image sensor, the image sensor is electrically connected with the connector, the image sensor is used for data transmission, the image sensor is in communication connection with the signal output interface, the main control circuit further comprises a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a fifth capacitor, a sixth capacitor, a seventh capacitor, an eighth capacitor, a ninth capacitor, a tenth capacitor, an eleventh capacitor, a twelfth capacitor, a thirteenth capacitor, a fourteenth capacitor, a fifteenth capacitor, a sixteenth capacitor, a seventeenth capacitor, an eighteenth capacitor, a nineteenth capacitor, a twentieth capacitor, a twenty-first capacitor, a twenty-second capacitor and a twenty-third capacitor, the first capacitor is connected with a D2 pin of the image sensor at one end, the other end is connected with a D1 pin of the image sensor, and a D2 pin of the image sensor at one end, the other end of the third capacitor is connected with a pin D1 of the image sensor, the first end of the third capacitor is connected with a pin C2 of the image sensor, the other end of the fourth capacitor is connected with a pin C2 of the image sensor, the fifth capacitor is connected with the first resistor in series, one end of the fifth capacitor is connected with a pin F1 of the image sensor, the other end of the fifth capacitor is connected with ground, the first end of the sixth capacitor is connected with a pin F1 of the image sensor, the other end of the sixth capacitor is connected with a common end of the fifth capacitor and the first resistor, a pin B2 of the image sensor is connected with ground, one end of the fifth capacitor is connected with a pin B2 of the image sensor, one end of the seventh capacitor is connected with ground, the other end of the sixth capacitor is connected with a pin G2 of the image sensor, one end of the eighth capacitor is connected with a seventh capacitor, the other end of the image sensor is connected with a pin C3 of the image sensor, the other end of the eleventh capacitor is connected with a pin B3 of the image sensor, the other end of the eleventh capacitor is connected with a tenth capacitor, the first end of the twelfth capacitor is connected with a pin D9 of the image sensor, the other end of the twelfth capacitor is grounded, the first end of the thirteenth capacitor is connected with a pin E2 of the image sensor, the other end of the fourteenth capacitor is connected with a pin H3 of the image sensor, the other end of the fourteenth capacitor is connected with a pin H6 of the image sensor, the other end of the fifteenth capacitor is connected with a pin fourteenth capacitor, the other end of the sixteenth capacitor is grounded, the pin A4 of the image sensor at the other end, the first end of the seventeenth capacitor is connected with a pin A8 of the image sensor, the other end of the sixteenth capacitor is connected with a pin F1 of the image sensor, the other end of the seventeenth capacitor, the first end of the nineteenth capacitor is connected with a pin G4 of the image sensor, the other end of the image sensor is connected with a nineteenth capacitor, one end of a twenty-first capacitor is connected with a G9 pin of the image sensor, the other end of the twenty-second capacitor is connected with a twentieth capacitor, one end of a twenty-second capacitor is connected with an H4 pin of the image sensor, the other end of the twenty-first capacitor is connected with a twenty-third capacitor, one end of the twenty-third capacitor is connected with an H5 pin of the image sensor, the other end of the twenty-second capacitor is connected with a twenty-second capacitor, and an A3 pin, a B9 pin, an E10 pin, an F2 pin, a G86.
In this embodiment, the circuit further includes a first power circuit, the first power circuit is electrically connected to the sensor, the first power circuit includes a power chip, a twenty-fourth capacitor, a twenty-fifth capacitor, a twenty-sixth capacitor, a twenty-seventh capacitor, a twenty-eighth capacitor, a twenty-ninth capacitor, a thirty-fifth capacitor, a second resistor, a third resistor, a fourth resistor, a first skip cap and a first inductor, one end of the twenty-fourth capacitor is connected to the first pin of the power chip, and the other end is grounded, the first pin of the power chip is connected to 5V, one end of the twenty-fifth capacitor is connected to the first capacitor, and the other end is connected to the first pin of the power chip, one end of the second resistor is connected to the third pin of the power chip, and the other end is connected to the first pin of the power chip, the third resistor is connected to the fourth resistor in series, one end of the fifth pin of the power chip is connected to the fifth pin of the power chip, the other end of the twenty-sixth capacitor is connected to the fourth pin of the power chip, and the fourth pin of the power chip is connected to the common resistor, one end of the seventh resistor, and the fifth capacitor is connected to ground, and the fifth capacitor is connected to the fifth capacitor, and the capacitor is connected to the capacitor, and the capacitor, the capacitor is connected to the fifth capacitor, and the capacitor is connected to the capacitor, and.
In this embodiment, the circuit further includes a second power supply circuit electrically connected to the B3 th pin of the image sensor.
In this embodiment, the circuit further includes a third power supply circuit electrically connected to the pins D9 to H6 of the image sensor.
In this embodiment, the power supply circuit includes a second inductor, a thirty-first capacitor, and a thirty-second capacitor, where the second inductor is connected in series with the thirty-first capacitor, one end of the second inductor is grounded, the other end is connected to the first pin of the power chip, one end of the thirty-second capacitor is connected to the second inductor, and the other end is connected to the thirty-first capacitor.
In this embodiment, the circuit further includes a L ED driving circuit, the L ED driving circuit includes a voltage-synchronous step-down L ED driver, a dc power interface, a second skip-select cap, a third skip-select cap, a thirty-third capacitor, a thirty-fourth capacitor, a thirty-fifth capacitor, a thirty-sixth capacitor, a thirty-seventh capacitor, a fifth resistor, a sixth resistor, a seventh resistor, an eighth resistor, a ninth resistor, a third inductor, a first L ED diode and a second L ED diode, one end of the third skip-select cap is connected to a forty-th pin of the signal output interface, the other end of the third skip-select cap is connected to a fifth pin of the voltage-synchronous step-down 5393 ED driver, one end of the fifth resistor is electrically connected to the first power circuit, the second power circuit and the third power circuit, the other end of the voltage-synchronous step-down L ED driver is connected to the fifth pin, one end of the sixth resistor is connected to the ground, the other end of the voltage-synchronous step-down 632 ED driver is connected to the fifth pin of the fifth power circuit, the thirty-synchronous step-down resistor 637 ED driver, the third capacitor is connected to the thirty-third capacitor, the thirty-skip-third capacitor is connected to the third capacitor, the thirty-capacitor, the fifth end of the fifth resistor is connected to the thirty-skip-capacitor, the fifth resistor 637 ED driver is connected to the fifth pin of the thirty-synchronous step-down resistor, the thirty-synchronous step-down resistor, the thirty-capacitor is connected to the thirty-capacitor, the thirty-synchronous step-capacitor, the thirty-capacitor is connected to the thirty-synchronous step-capacitor, the thirty-capacitor is connected to the thirty-capacitor, the thirty-synchronous step-capacitor is connected to the thirty-capacitor, the fifth pin of the fifth resistor, the fifth terminal of the thirty-synchronous step-.
In the present embodiment, the model of the image sensor is OV 2778.
Further, the power chip has a model number of L P5907QMFX-3.3VQ 1.
In this embodiment, the voltage synchronous buck L ED driver is model number TPS 54201.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: it is to be understood that modifications may be made to the above-described arrangements in the embodiments or equivalents may be substituted for some of the features of the embodiments described above, and such modifications or substitutions may be made without departing from the spirit and scope of the present invention in its aspects.
Claims (9)
1. A signal transmission circuit is characterized by comprising a main control circuit, a connector and a signal output interface, wherein the main control circuit is connected with the connector; the main control circuit is electrically connected with the connector, the connector is electrically connected with the power supply circuit, the main control circuit comprises an image sensor, the image sensor is electrically connected with the connector, the image sensor is used for data transmission, the image sensor is in communication connection with the signal output interface, the main control circuit further comprises a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a fifth capacitor, a sixth capacitor, a seventh capacitor, an eighth capacitor, a ninth capacitor, a tenth capacitor, an eleventh capacitor, a twelfth capacitor, a thirteenth capacitor, a fourteenth capacitor, a fifteenth capacitor, a sixteenth capacitor, a seventeenth capacitor, an eighteenth capacitor, a nineteenth capacitor, a twentieth capacitor, a twenty-first capacitor, a twenty-second capacitor and a twenty-third capacitor, a first resistor, one end of the first capacitor is connected with a D2 pin of the image sensor, and the other end of the first capacitor is connected with a D1 pin of the image sensor, the first capacitor is connected with a pin D2 of the image sensor, the other end is connected with a pin D1 of the image sensor, the first capacitor is connected with a pin C2 of the image sensor, the other end is connected with a pin C1 of the image sensor, the first capacitor is connected with a pin third capacitor, the other end is connected with a pin C2 of the image sensor, the fifth capacitor is connected with the first resistor in series, one end of the fifth capacitor is connected with a pin F1 of the image sensor, the other end is connected with ground, one end of the sixth capacitor is connected with a pin F1 of the image sensor, the other end is connected with a common end of the fifth capacitor and the first resistor, a pin B2 of the image sensor is connected with ground, one end of the fifth capacitor is connected with a pin B2 of the image sensor, one end of the seventh capacitor is connected with ground, the other end is connected with a pin G2 of the image sensor, the first capacitor is connected with a seventh capacitor, the, the ninth capacitor is connected with the eighth capacitor at one end and the eighth capacitor at the other end, the tenth capacitor is connected with the pin B4 of the image sensor at one end and the ninth capacitor at the other end, the eleventh capacitor is connected with the pin B3 of the image sensor at one end and the tenth capacitor at the other end, the twelfth capacitor is connected with the pin D9 of the image sensor at one end and the ground at the other end, the thirteenth capacitor is connected with the pin E2 of the image sensor at one end and the twelfth capacitor at one end, the fourteenth capacitor is connected with the pin H3 of the image sensor at one end and the thirteenth capacitor at the other end, the fifteenth capacitor is connected with the pin H6 of the image sensor at one end and the fourteenth capacitor at one end and the ground at the other end, the seventeenth capacitor is connected with the pin A8 of the image sensor at one end and the sixteenth capacitor at one end, and the eighteenth capacitor at one end and the pin F1 of the image sensor at one end, the other end of the image sensor is connected with a seventeenth capacitor, the first end of the nineteenth capacitor is connected with a G4 pin of the image sensor, the other end of the twenty-ninth capacitor is connected with a eighteenth capacitor, the first end of the twentieth capacitor is connected with a G9 pin of the image sensor, the other end of the twentieth capacitor is connected with a twenty-second capacitor, the first end of the twenty-second capacitor is connected with an H4 pin of the image sensor, the other end of the twenty-first capacitor is connected with a twenty-first capacitor, the first end of the twenty-third capacitor is connected with an H5 pin of the image sensor, the other end of the twenty-second capacitor is connected with a twenty-second capacitor, and the A3 pin, the B9 pin, the E10 pin, the F2 pin, the G3 pin and the.
2. The signal transmission circuit according to claim 1, further comprising a first power circuit electrically connected to the sensor, the first power circuit including a power chip, a twenty-fourth capacitor, a twenty-fifth capacitor, a twenty-sixth capacitor, a twenty-seventh capacitor, a twenty-eighth capacitor, a twenty-ninth capacitor, a thirty-sixth capacitor, a second resistor, a third resistor, a fourth resistor, a first skip cap and a first inductor, the twenty-fourth capacitor having one end connected to the first pin of the power chip and the other end connected to ground, the first pin of the power chip being connected to 5V, the twenty-fifth capacitor having one end connected to the first capacitor and the other end connected to the first pin of the power chip, the second resistor having one end connected to the third pin of the power chip and the other end connected to the first pin of the power chip, the third resistor being connected to the fourth resistor in series, the fifth pin of the power chip and the other end connected to ground, the twenty-sixth capacitor having one end connected to the fourth pin of the power chip and the other end connected to the fourth pin of the power chip, the fourth resistor being connected to the fifth pin of the power chip, the fifth capacitor having one end connected to ground, the fifth capacitor being connected to the power chip, the fifth capacitor being connected to ground, the seventh capacitor being connected to the third capacitor being connected to the fifth capacitor being connected to ground, the fifth capacitor being connected to the seventh capacitor being connected to ground, the seventh capacitor being connected to the resistor, the resistor being connected to the.
3. The signal transmission circuit according to claim 2, further comprising a second power supply circuit electrically connected to a B3 th pin of the image sensor.
4. The signal transmission circuit of claim 3, further comprising a third power supply circuit electrically connected to the D9 pin-H6 pin of the image sensor.
5. The signal transmission circuit according to claim 2, wherein the power supply circuit includes a second inductor, a thirty-first capacitor and a thirty-second capacitor, the second inductor is connected in series with the thirty-first capacitor, one end of the second inductor is connected to ground, the other end of the second inductor is connected to the first pin of the power supply chip, one end of the thirty-second capacitor is connected to the second inductor, and the other end of the thirty-second capacitor is connected to the thirty-first capacitor.
6. The signal transmission circuit according to claim 5, further comprising a L ED driver circuit, wherein the L ED driver circuit includes a voltage-synchronized buck L ED driver, a dc power interface, a second skip cap, a third skip cap, a thirty-third capacitor, a thirty-fourth capacitor, a thirty-fifth capacitor, a thirty-sixth capacitor, a thirty-seventh capacitor, a fifth resistor, a sixth resistor, a seventh resistor, an eighth resistor, a ninth resistor, a third inductor, a first L ED diode and a second L ED diode, the third skip cap is connected to a forty-th pin of the signal output interface, the fifth pin of the voltage-synchronized buck L driver is connected to another terminal, the fifth resistor is electrically connected to the first power circuit, the second power circuit and the third power circuit, the fifth pin of the voltage-synchronized buck L ED driver is connected to a fifth terminal of the first power circuit, the second power circuit and the third power circuit, the other terminal is connected to a thirty-fourth power circuit, the fifth pin of the voltage-synchronized buck capacitor is connected to a ground, the fifth resistor is electrically connected to a thirty-synchronized buck 7342, the fifth pin of the voltage-synchronized buck driver circuit, the third power circuit is connected to a thirty-synchronized buck cap, the fifth pin of the fifth power circuit, the thirty-synchronized buck cap is connected to a thirty-synchronized buck capacitor, the fifth resistor, the thirty-synchronized buck capacitor is connected to a thirty-synchronized buck capacitor, the fifth pin of the fifth power circuit, the fifth power interface is connected to a thirty-synchronized buck resistor, the fifth power driver is connected to a thirty-synchronized buck capacitor, the thirty-synchronized buck capacitor is connected to a thirty-synchronized buck capacitor, the fifth pin of the thirty-synchronized buck diode is connected to a thirty-synchronized buck resistor, the thirty-resistor, the fifth pin of the fifth power interface, the thirty-resistor, the fifth power driver, the fifth power interface, the thirty-synchronized buck diode is connected to the fifth pin of the fifth power driver, the thirty-synchronized buck.
7. The signal transmission circuit of claim 3, wherein the image sensor is of type OV 2778.
8. The signal transmission circuit of claim 5, wherein the power chip has a model number of L P5907QMFX-3.3VQ 1.
9. The signal transmission circuit of claim 6, wherein the voltage synchronous buck L ED driver is model TPS 54201.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922455108.0U CN211184118U (en) | 2019-12-30 | 2019-12-30 | Signal transmission circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922455108.0U CN211184118U (en) | 2019-12-30 | 2019-12-30 | Signal transmission circuit |
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| Publication Number | Publication Date |
|---|---|
| CN211184118U true CN211184118U (en) | 2020-08-04 |
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Family Applications (1)
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| CN201922455108.0U Active CN211184118U (en) | 2019-12-30 | 2019-12-30 | Signal transmission circuit |
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| Country | Link |
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| CN (1) | CN211184118U (en) |
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2019
- 2019-12-30 CN CN201922455108.0U patent/CN211184118U/en active Active
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