CN217113720U - LED display module and anti-interference circuit thereof - Google Patents
LED display module and anti-interference circuit thereof Download PDFInfo
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- CN217113720U CN217113720U CN202122862229.4U CN202122862229U CN217113720U CN 217113720 U CN217113720 U CN 217113720U CN 202122862229 U CN202122862229 U CN 202122862229U CN 217113720 U CN217113720 U CN 217113720U
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Abstract
The utility model provides a LED display module assembly and anti jamming circuit thereof, wherein, anti jamming circuit includes: a chip; the input circuit is provided with a first buffer element, a first end of the input circuit inputs a signal to be processed, and a second end of the input circuit is connected with a first terminal of the chip; and the output circuit is provided with a second buffer element, the first end of the output circuit is connected with the second terminal of the chip, and the second end of the output circuit outputs the processed signal. The technical scheme of this application can solve resistance value or inductance value among the correlation technique effectively and select not good very easy letting the noise pass through, influence signal quality's problem.
Description
Technical Field
The utility model relates to a LED shows technical field, particularly, relates to a LED display module assembly and anti-jamming circuit thereof.
Background
In the related art, in order to increase and ensure the anti-interference performance of the circuit in the LED display module, an anti-interference circuit is required to filter the noise in the circuit.
In the existing products, the noise is generally filtered by adopting an RC circuit, an LC circuit or various combinations of the RC circuit and the LC circuit. When the circuit is arranged, the selection requirement of the resistance value or the inductance value in the anti-interference circuit is high, the resistance value or the inductance value is not well selected, noise can easily pass through, and the signal quality is easily influenced.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a LED display module and an anti-jamming circuit thereof, which can solve the problems of high selection requirement of resistance or inductance in the related art, and easy influence on signal quality.
In order to achieve the above object, according to the utility model discloses an aspect provides a LED display module's anti jamming circuit, include: a chip; the input circuit is provided with a first buffer element, a first end of the input circuit inputs a signal to be processed, and a second end of the input circuit is connected with a first terminal of the chip; and the output circuit is provided with a second buffer element, the first end of the output circuit is connected with the second terminal of the chip, and the second end of the output circuit outputs the processed signal.
Furthermore, the anti-interference circuit further comprises a power supply circuit, a first end of the power supply circuit is connected with the power supply part, and a second end of the power supply circuit is connected with a third terminal of the chip.
Furthermore, the anti-interference circuit further comprises a filter circuit, the first end of the filter circuit is connected with the third terminal of the chip, and the second end of the filter circuit is grounded.
Furthermore, a filter element is arranged in the filter circuit.
Further, the chip further comprises a fourth terminal, and the fourth terminal is grounded.
Furthermore, the anti-interference circuit further comprises a first adjusting circuit, a first end of the first adjusting circuit is connected with the power supply portion, a second end of the first adjusting circuit is connected with a fifth terminal of the chip, and a first adjusting element is arranged in the first adjusting circuit.
Furthermore, the anti-jamming circuit further comprises a second adjusting circuit, a first end of the second adjusting circuit is connected with the power supply portion, a second end of the second adjusting circuit is connected with a sixth terminal of the chip, and a second adjusting element is arranged in the second adjusting circuit.
Furthermore, the anti-jamming circuit further comprises a third adjusting circuit, a first end of the third adjusting circuit is connected with the power supply portion, a second end of the third adjusting circuit is connected with a seventh terminal of the chip, and a third adjusting element is arranged in the third adjusting circuit.
Furthermore, the first buffer element is a first resistor, and the resistance value of the first resistor is between 0 and 10 k; the second buffer element is a second resistor, and the resistance value of the second resistor is between 0 and 10 k.
Further, the first adjusting element is a third resistor, and the resistance value of the third resistor is between 0 and 10 k; the second adjusting element is a fourth resistor, and the resistance value of the fourth resistor is between 0 and 10 k; the third adjusting element is a fifth resistor, and the resistance value of the fifth resistor is between 0 and 10 k.
According to the utility model discloses an on the other hand provides a LED display module assembly, including anti-jamming circuit, anti-jamming circuit is foretell anti-jamming circuit.
Use the technical scheme of the utility model, use the chip to replace RC circuit or LC circuit in the correlation technique, have the good advantage of noise reduction effect. The signal to be processed is input from the input circuit and is output from the output circuit after being processed by the chip. Meanwhile, the chip has low requirement on the selection accuracy of the performance of the matched components, and the matched components can have good noise reduction effect even if the performance of the matched components is not optimal. Therefore, the technical scheme of the application can effectively solve the problems that the noise is not easily passed through due to poor selection of the resistance value or the inductance value in the related technology and the signal quality is influenced.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 shows a circuit diagram of an embodiment of an anti-jamming circuit of an LED display module according to the present invention.
Wherein the figures include the following reference numerals:
10. a chip; 21. an input circuit; 22. an output circuit; 23. a power supply circuit; 24. a filter circuit; 25. a first regulating circuit; 26. a second regulating circuit; 27. a third regulating circuit;
r1, a first resistor; r2, a second resistor; r3, third resistor; r4, fourth resistor; r5, fifth resistor.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Unless specifically stated otherwise, the relative arrangement of parts and steps, numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
As shown in fig. 1, in this embodiment, the anti-jamming circuit of the LED display module includes: chip 10, input circuit 21, and output circuit 22. Wherein, the input circuit 21 is provided with a first buffer element, a first end of the input circuit 21 inputs a signal to be processed, and a second end of the input circuit 21 is connected with a first terminal of the chip 10; and an output circuit 22, wherein the output circuit 22 is provided with a second buffer element, a first end of the output circuit 22 is connected with a second terminal of the chip 10, and a second end of the output circuit 22 outputs the processed signal.
By applying the technical scheme of the embodiment, the chip 10 is used for replacing an RC circuit or an LC circuit in the related technology, and the noise reduction effect is good. The signal to be processed is input from the input circuit 21, processed by the chip 10, and output from the output circuit 22. Meanwhile, the chip 10 has a low requirement on the selection accuracy of the performance of the matched component, and can have a good noise reduction effect even if the performance of the matched component is not optimal. Therefore, the technical scheme of the embodiment can effectively solve the problem that the noise is easy to pass due to poor resistance value or inductance value selection in the related art, and the signal quality is influenced.
In this embodiment, the input circuit 21 is provided with a first buffer component, the first buffer component can absorb part of the interference signals in the input signal to be processed, the output circuit 22 is provided with a second buffer component, and the second buffer component can absorb part of the interference signals in the output signal, so that the noise reduction effect of the anti-interference circuit is better.
In this embodiment, the first buffer element is a first resistor R1, and the resistance value of the first resistor R1 is between 0 and 10 k; the second buffer element is a second resistor R2, and the resistance value of the second resistor R2 is between 0 and 10 k. Specifically, the resistance value of the first resistor R1 may be 0k, 5k, or 10 k; the resistance value of the second resistor R2 may be 0k, 5k, or 10 k.
As shown in fig. 1, the anti-jamming circuit further includes a power supply circuit 23, a first end of the power supply circuit 23 is connected to the power supply portion, and a second end of the power supply circuit 23 is connected to the third terminal of the chip 10. The power supply circuit 23 is connected to the power supply unit, and can supply power to the chip 10 to ensure the normal operation of the chip 10.
As shown in fig. 1, the immunity circuit further includes a filter circuit 24, a first terminal of the filter circuit 24 is connected to the third terminal of the chip 10, and a second terminal of the filter circuit 24 is grounded. The filter circuit 24 is arranged to smooth the operating voltage of the chip 10.
As shown in fig. 1, a filter element is provided in the filter circuit 24. Specifically, in the present embodiment, the filter element is a capacitor with a capacitance value of 0.1 uF.
As shown in fig. 1, in the present embodiment, the chip 10 further includes a fourth terminal, and the fourth terminal is grounded.
As shown in fig. 1, in the present embodiment, the anti-jamming circuit further includes a first adjusting circuit 25, a first end of the first adjusting circuit 25 is connected to the power supply portion, a second end of the first adjusting circuit 25 is connected to the fifth terminal of the chip 10, and a first adjusting element is disposed in the first adjusting circuit 25. By adjusting the specific parameters of the first adjusting element, the filtering range of the adjusting chip 10 can be adjusted. In the present embodiment, the first adjusting element is a third resistor R3, and the resistance value of the third resistor R3 is between 0 and 10 k. Specifically, the resistance value of the third resistor R3 may be 0k, 5k, or 10 k.
As shown in fig. 1, in the present embodiment, the anti-jamming circuit further includes a second regulating circuit 26, a first end of the second regulating circuit 26 is connected to the power supply portion, a second end of the second regulating circuit 26 is connected to the sixth terminal of the chip 10, and a second regulating element is disposed in the second regulating circuit 26. By adjusting the specific parameters of the second adjusting element, the filtering range of the adjusting chip 10 can be adjusted. In the present embodiment, the second adjusting element is a fourth resistor R4, and the resistance value of the fourth resistor R4 is between 0 and 10 k. Specifically, the resistance value of the fourth resistor R3 may be 0k, 5k, or 10 k.
As shown in fig. 1, in the present embodiment, the interference rejection circuit further includes a third adjusting circuit 27, a first end of the third adjusting circuit 27 is connected to the power supply portion, a second end of the third adjusting circuit 27 is connected to the seventh terminal of the chip 10, and a third adjusting element is disposed in the third adjusting circuit 27. By adjusting the specific parameters of the third adjusting element, the filtering range of the adjusting chip 10 can be adjusted. In the present embodiment, the third adjusting element is a fifth resistor R5, and the resistance value of the fifth resistor R5 is between 0 and 10 k. Specifically, the resistance value of the fifth resistor R5 may be 0k, 5k, or 10 k.
The application also provides an LED display module, which comprises an anti-interference circuit, wherein the anti-interference circuit is the anti-interference circuit. In the anti-interference circuit, the chip 10 is arranged to replace a conventional filter circuit in the related art, and after the frequency processing is performed on the Si input signal, the So signal is output, So that the signal quality of So is good, and the problem that the noise is easily passed through due to the fact that the resistance value or the inductance value in the related art is not well selected and the signal quality is affected can be effectively solved. Therefore, the LED display module with the anti-interference circuit also has the advantages.
In the present embodiment, the chip 10 is a conventional chip, and may be obtained by direct purchase from the market as long as it can realize a noise reduction function. Specifically, as shown in FIG. 1, the first terminal of the chip 10 is the XIN/CKIN pin (i.e., the clock input pin) in FIG. 1; the second terminal of the chip 10 is a ModOUT pin (i.e., signal output pin) in fig. 1; the third terminal of the chip 10 is a VDD pin (i.e., a power input pin) in fig. 1; the fourth terminal of the chip 10 is a GND pin (i.e., a ground pin) in fig. 1; the fifth terminal of the chip 10 is an SSON pin (i.e., a spectrum control pin) in fig. 1; the sixth terminal of the chip 10 is the ADS1 pin in fig. 1; the seventh terminal of the chip 10 is the ADS2 pin in fig. 1.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … … surface," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (11)
1. The utility model provides a LED display module's anti jamming circuit which characterized in that includes:
a chip (10);
the input circuit (21), a first buffer element is arranged in the input circuit (21), a first end of the input circuit (21) inputs a signal to be processed, and a second end of the input circuit (21) is connected with a first terminal of the chip (10);
and the output circuit (22), a second buffer element is arranged in the output circuit (22), a first end of the output circuit (22) is connected with a second terminal of the chip (10), and a second end of the output circuit (22) outputs the processed signal.
2. The immunity against interference circuit according to claim 1, further comprising a power supply circuit (23), a first end of the power supply circuit (23) being connected to a power supply, a second end of the power supply circuit (23) being connected to a third terminal of the chip (10).
3. The immunity circuit of claim 2, further comprising a filter circuit (24), a first terminal of the filter circuit (24) being connected to the third terminal of the chip (10), and a second terminal of the filter circuit (24) being connected to ground.
4. The immunity to interference circuit of claim 3, wherein a filter element is disposed in the filter circuit (24).
5. The immunity circuit of claim 3, wherein said chip (10) further comprises a fourth terminal, said fourth terminal being connected to ground.
6. The immunity circuit according to claim 2, characterized in that the immunity circuit further comprises a first adjusting circuit (25), a first end of the first adjusting circuit (25) is connected to the power supply portion, a second end of the first adjusting circuit (25) is connected to a fifth terminal of the chip (10), and a first adjusting element is disposed in the first adjusting circuit (25).
7. The immunity circuit according to claim 6, characterized in that it further comprises a second regulating circuit (26), a first end of said second regulating circuit (26) being connected to said power supply, a second end of said second regulating circuit (26) being connected to a sixth terminal of said chip (10), a second regulating element being arranged in said second regulating circuit (26).
8. The immunity circuit according to claim 7, characterized in that it further comprises a third regulating circuit (27), a first end of said third regulating circuit (27) being connected to said power supply, a second end of said third regulating circuit (27) being connected to a seventh terminal of said chip (10), a third regulating element being arranged in said third regulating circuit (27).
9. The immunity circuit of claim 1,
the first buffer element is a first resistor (R1), and the resistance value of the first resistor (R1) is between 0 and 10 k;
the second buffer element is a second resistor (R2), and the resistance value of the second resistor (R2) is between 0 and 10 k.
10. The immunity circuit of claim 8,
the first adjusting element is a third resistor (R3), and the resistance value of the third resistor (R3) is between 0 and 10 k;
the second adjusting element is a fourth resistor (R4), and the resistance value of the fourth resistor (R4) is between 0 and 10 k;
the third adjusting element is a fifth resistor (R5), and the resistance value of the fifth resistor (R5) is between 0 and 10 k.
11. An LED display module comprising an anti-tamper circuit, wherein the anti-tamper circuit is according to any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122862229.4U CN217113720U (en) | 2021-11-19 | 2021-11-19 | LED display module and anti-interference circuit thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122862229.4U CN217113720U (en) | 2021-11-19 | 2021-11-19 | LED display module and anti-interference circuit thereof |
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| Publication Number | Publication Date |
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| CN217113720U true CN217113720U (en) | 2022-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122862229.4U Active CN217113720U (en) | 2021-11-19 | 2021-11-19 | LED display module and anti-interference circuit thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115489457A (en) * | 2022-08-29 | 2022-12-20 | 重庆长安汽车股份有限公司 | Curved surface display system and vehicle in car |
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2021
- 2021-11-19 CN CN202122862229.4U patent/CN217113720U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115489457A (en) * | 2022-08-29 | 2022-12-20 | 重庆长安汽车股份有限公司 | Curved surface display system and vehicle in car |
| CN115489457B (en) * | 2022-08-29 | 2024-05-03 | 重庆长安汽车股份有限公司 | In-car curved surface display system and vehicle |
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