CN217008618U

CN217008618U - Circuit of adjustable display panel

Info

Publication number: CN217008618U
Application number: CN202121934366.8U
Authority: CN
Inventors: 闵加胜; 徐鑫
Original assignee: Xiamen Xiezhuo Technology Co ltd
Current assignee: Xiamen Xiezhuo Technology Co ltd
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2022-07-19
Anticipated expiration: 2031-08-18

Abstract

The utility model relates to the technical field of display panels and discloses a circuit capable of adjusting a display panel. It includes: the switch circuit, the low-power consumption single chip microcomputer circuit, an indicating circuit, a power supply circuit, a display circuit and an interface circuit, a direct current power supply is connected to the input end of the power supply circuit, the output end of the power supply circuit is connected with the indicating circuit, the low-power consumption single chip microcomputer circuit, the input ends of the interface circuit and the display circuit, the power output ends of the indicating circuit and the low-power consumption single chip microcomputer circuit are grounded, the output ends of the display circuit and the interface circuit are grounded, the first output end of the interface circuit is connected with the first input end of the low-power consumption single chip microcomputer circuit, the second output end of the interface circuit is connected with the second input end of the display circuit, the second input end of the low-power consumption single chip microcomputer circuit is connected with the switch circuit, the first output end of the low-power consumption single chip microcomputer circuit is connected with the signal end of the indicating circuit, and the second output end of the low-power consumption single chip microcomputer circuit is connected with the first input end of the display circuit. The display panel circuit is used for displaying slogans, warning words and the like.

Description

Circuit of adjustable display panel

Technical Field

The utility model relates to the technical field of display panels, in particular to a circuit of an adjustable display panel.

Background

At present, with rapid development of science and technology, photoelectric display products are increasingly applied to the lives of people. People can feel the convenience brought by the photoelectric display product in life and work. People often need to use some subtitles to display some slogans, warning words and the like; due to the difference of environment places, new setting and arrangement of slogans, warning words and the like are needed sometimes so as to better realize the purposes of warning and propaganda, and therefore, a driving circuit is provided for driving a display panel to realize the display of the slogans, the warning words and the like. However, the existing caption display panel generally has the problems of complex circuit, poor random change effect, high energy consumption, unclear display, no on-off indication and the like.

Therefore, the existing display panel is to be further improved in view of the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems of complex circuit, poor random change effect, high energy consumption, unclear display, no on-off indication and the like. The display panel circuit is reasonably designed, and the switching circuit, the low-power consumption single chip circuit, the indicating circuit, the power supply circuit, the display circuit and the interface circuit are adopted, so that the circuit simplification, the subtitle display effect is good, the energy consumption is low and the on-off indication is good of the display panel. The combination of the low-power consumption single chip circuit and the interface circuit can effectively reduce the energy consumption and meet the requirements of convenient programming; the combination of the switch circuit and the low-power-consumption single chip microcomputer circuit is adopted, so that the functions of adjusting the low-power-consumption single chip microcomputer by using the switch, driving different functions by different switches and the like are effectively realized; by adopting the indicating circuit, the indication of power on or off can be effectively realized, and the state of the display panel can be conveniently checked; the power supply circuit is adopted, so that stable power supply output can be effectively realized; by adopting the display circuit, the required content can be effectively and clearly displayed.

The technical scheme of the utility model is as follows:

a circuit for an adjustable display panel, the circuit comprising: the input end of the power supply circuit is connected with the positive output end of a direct current power supply, the output end of the power supply circuit is connected with the input end of the indicating circuit, the power supply input end of the low-power consumption single chip circuit, the power supply input end of the interface circuit and the power supply input end of the display circuit, the output end of the indicating circuit is connected with the negative output end or the grounding end of the direct current power supply, the power supply output end of the low-power consumption single chip circuit is connected with the grounding end, the power supply output end of the display circuit is connected with the grounding end, the power supply output end of the interface circuit is connected with the grounding end, the first signal output end of the interface circuit is connected with the first signal input end of the low-power consumption single chip circuit, and the second signal output end of the interface circuit is connected with the second signal input end of the display circuit, the second signal input end of the low-power-consumption single chip circuit is connected with the switch circuit, the first signal output end of the low-power-consumption single chip circuit is connected with the signal end of the indicating circuit, and the second signal output end of the low-power-consumption single chip circuit is connected with the first signal input end of the display circuit.

Further, the low-power-consumption single chip microcomputer circuit comprises a single chip microcomputer chip U1 and a resistor R3, wherein a terminal 7 of the single chip microcomputer chip U1 is connected with one end of the resistor R3 and one terminal of the switch circuit in parallel, the other end of the resistor R3 is grounded,

terminals

3, 5 and 6 of the single chip microcomputer chip U1 are respectively connected with the other three terminals of the switch circuit, a terminal 2 of the single chip microcomputer chip U1 is connected with a signal end of the indication circuit, a terminal 4 of the single chip microcomputer chip U1 is connected with an output end of the power circuit, a terminal 1 of the single chip microcomputer chip U1 is connected with a first signal input end of the display circuit, a terminal 11 of the single chip U1 is grounded, and

terminals

10, 13 and 14 of the single chip U1 are connected with a first signal output end of the interface circuit.

Further, the power supply circuit comprises a resistor R1, a capacitor C1, a capacitor C2, a capacitor C3 and a capacitor C4, one end of the resistor R1, one end of the capacitor C1, one end of the capacitor C2, one end of the capacitor C3 and one end of the capacitor C4 are connected to the positive electrode output end of the direct current power supply in common, the other end of the capacitor C1, the other end of the capacitor C2, the other end of the capacitor C3 and the other end of the capacitor C4 are connected to the ground in common, and the other end of the resistor R1 is connected to the input end of the indication circuit.

Further, the indication circuit comprises an indication lamp LED1, an NPN tube Q1 and a resistor R2, the anode of the indication lamp LED1 is connected to the output end of the power supply circuit, the cathode of the indication lamp LED1 is connected to the collector of the NPN tube Q1, the emitter of the NPN tube Q1 is grounded, the base of the NPN tube Q1 is connected to one end of the resistor R2, and the other end of the resistor R2 is connected to the first signal output end of the low-power consumption single chip microcomputer circuit.

Further, the switch circuit includes a switch chip S1, terminals "5, 6, 7, and 8" of the switch chip S1 are commonly grounded, and terminals "1, 2, 3, and 4" of the switch chip S1 are respectively connected to the second signal input terminal of the low power consumption single chip microcomputer circuit.

Further, the display circuit includes a LCD1 chip, a capacitor C5 and a capacitor C6, the "VDD" terminal of the LCD1 chip is connected to the output terminal of the power supply circuit, the "VSS" terminal of the LCD1 chip is grounded, the "ESD" terminal of the LCD1 chip is grounded, the "VG" terminal of the LCD1 chip is connected to one end of the capacitor C5, the other end of the capacitor C5 is grounded, the "VO" terminal of the LCD1 chip is connected to one end of the capacitor C6, the other end of the capacitor C6 is connected to the "XVO" terminal of the LCD1 chip, the "CS" terminal of the LCD1 chip is connected to the second signal output terminal of the low power consumption single chip circuit, and the "SDA" terminal, "SCL" terminal, "a 0" terminal and "RST" terminal of the LCD1 chip are respectively connected to the second signal output terminal of the interface circuit.

Further, the interface circuit comprises a DIP-10 chip J1,

terminals

1 and 2 of the DIP-10 chip J1 are grounded,

terminals

3, 4, 5 and 6 of the DIP-10 chip J1 are respectively connected with a second signal input end of the display circuit,

terminals

7 and 8 of the DIP-10 chip J1 are connected with a first signal input end of the low-power consumption single chip circuit, and terminals 9 and 10 of the DIP-10 chip J1 are connected with an output end of the power supply circuit.

Further, the model of the single chip microcomputer U1 is EM78P372NSO 14J.

Further, the switch chip S1 is an 8-pin patch switch.

Further, the model of the LCD1 chip is ST 7567.

Advantageous effects

The utility model can effectively realize circuit simplification of the display panel, good caption display effect, low energy consumption and better on-off indication by reasonably designing the display panel circuit and adopting the switch circuit, the low-power consumption singlechip circuit, the indicating circuit, the power supply circuit, the display circuit and the interface circuit. The combination of the low-power consumption single chip circuit and the interface circuit can effectively reduce the energy consumption and meet the requirements of convenient programming; the combination of the switch circuit and the low-power-consumption single chip microcomputer circuit is adopted, so that the functions of adjusting the low-power-consumption single chip microcomputer by using the switch, driving different functions by different switches and the like are effectively realized; by adopting the indicating circuit, the indication of power on or off can be effectively realized, and the state of the display panel can be conveniently checked; the power supply circuit is adopted, so that stable power supply output can be effectively realized; by adopting the display circuit, the required content can be effectively and clearly displayed.

Drawings

Fig. 1 is a schematic circuit diagram of an adjustable display panel according to the present invention.

Reference numerals: 1. a switching circuit; 2. an indication circuit; 3. a power supply circuit; 4. an interface circuit; 5. a low power consumption single chip circuit; 6. a display circuit.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, the present invention provides a circuit for an adjustable display panel, including: the power supply comprises a switch circuit 1, a low-power consumption single chip microcomputer circuit 5, an indicating circuit 2, a power supply circuit 3, a display circuit 6 and an interface circuit 4, wherein the input end of the power supply circuit 3 is connected with the positive electrode output end of a direct-current power supply, the output end of the power supply circuit 3 is connected with the input end of the indicating circuit 2, the power supply input end of the low-power consumption single chip microcomputer circuit 5, the power supply input end of the interface circuit 4 and the power supply input end of the display circuit 6, the output end of the indicating circuit 2 is connected with the negative electrode output end or the grounding end of the direct-current power supply, the power supply output end of the low-power consumption single chip microcomputer circuit 5 is connected with the grounding end, the power supply output end of the display circuit 6 is connected with the grounding end, the power supply output end of the interface circuit 4 is connected with the grounding end, and a first signal output end of the interface circuit 4 is connected with a first signal input end of the low-power consumption single chip microcomputer circuit 5, the second signal output end of the interface circuit 4 is connected with the second signal input end of the display circuit 6, the second signal input end of the low-power consumption single chip microcomputer circuit 5 is connected with the switch circuit 1, the first signal output end of the low-power consumption single chip microcomputer circuit 5 is connected with the signal end of the indicating circuit 2, and the second signal output end of the low-power consumption single chip microcomputer circuit 5 is connected with the first signal input end of the display circuit 6.

The low-power-consumption single chip microcomputer circuit 5 comprises a single chip microcomputer chip U1 and a resistor R3, the power supply circuit 3 comprises a resistor R1, a capacitor C1, a capacitor C2, a capacitor C3 and a capacitor C4, the indicating circuit 2 comprises an indicating lamp LED1, an NPN tube Q1 and a resistor R2, the switch circuit 1 comprises a switch chip S1, the display circuit 6 comprises an LCD1 chip, a capacitor C5 and a capacitor C6, and the interface circuit comprises a DIP-10 chip J1.

Wherein, the terminal "7" of the single chip U1 is connected in parallel with the terminal "4" of the resistor R3 and the terminal "4" of the switch chip S1, the other end of the resistor R3 is grounded, the terminal "3" of the single chip U1 is connected with the terminal "1" of the switch chip S1, the terminal "5" of the single chip U1 is connected with the terminal "2" of the switch chip S1, the terminal "6" of the single chip U1 is connected with the terminal "3" of the switch chip S1, the terminal "2" of the single chip U1 is connected with the other end of the resistor R2 in the indication circuit, the terminal "4" of the single chip U1 is connected with the output end of the power circuit, the output end of the power circuit and one end of the capacitor C4 are set as one terminal, the terminal "1" of the single chip U1 is connected with the terminal "CS" of the LCD1 chip in the display circuit, the '11' terminal of the single chip microcomputer chip U1 is grounded, the '14' terminal of the single chip microcomputer chip U1 is connected with the '6' terminal of the DIP-10 chip J1 in the interface circuit, the '13' terminal of the single chip microcomputer chip U1 is connected with the '7' terminal of the DIP-10 chip J1 in the interface circuit, and the '10' terminal of the single chip microcomputer chip U1 is connected with the '8' terminal of the DIP-10 chip J1 in the interface circuit;

one end of the resistor R1, one end of the capacitor C1, one end of the capacitor C2, one end of the capacitor C3 and one end of the capacitor C4 are connected to a positive electrode output end of a direct current power supply in common, the other end of the capacitor C1, the other end of the capacitor C2, the other end of the capacitor C3 and the other end of the capacitor C4 are connected to the ground in common, and the other end of the resistor R1 is connected to the positive electrode of an indicator light LED1 in the indicator circuit;

the negative electrode of the indicator light LED1 is connected with the collector of the NPN tube Q1, the emitter of the NPN tube Q1 is grounded, and the base of the NPN tube Q1 is connected with one end of a resistor R2;

the

terminals

5, 6, 7 and 8 of the switch chip S1 are grounded in common;

the "VDD" terminal of the LCD1 chip is connected to the output terminal of the power supply circuit, the "VSS" terminal of the LCD1 chip is grounded, the ESD terminal of the LCD1 chip is grounded, the VG terminal of the LCD1 chip is connected with one end of the capacitor C5, the other end of the capacitor C5 is grounded, the VO terminal of the LCD1 chip is connected with one end of the capacitor C6, the other end of the capacitor C6 is connected to the "XVO" terminal of the LCD1 chip, the "SDA" terminal of the LCD1 chip is connected to the "6" terminal of the DIP-10 chip J1 in the interface circuit, the "SCL" terminal of the LCD1 chip is connected to the "5" terminal of the DIP-10 chip J1 in the interface circuit, the "a 0" terminal of the LCD1 chip was connected to the "4" terminal of the DIP-10 chip J1 in the interface circuit, the "RST" terminal of the LCD1 chip is connected to the "3" terminal of the J1 chip of the DIP-10 chip in the interface circuit;

the

terminals

1 and 2 of the DIP-10 chip J1 are grounded, the

terminals

7 and 8 of the DIP-10 chip J1 are connected with a first signal input end of the low-power consumption single chip circuit, and the terminals 9 and 10 of the DIP-10 chip J1 are connected with an output end of the power supply circuit;

the model of the single chip microcomputer U1 is EM78P372NSO14J, the switch chip S1 is an 8-pin patch switch, and the model of the LCD1 chip is ST 7567.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A circuit for an adjustable display panel, the circuit comprising: the input end of the power supply circuit is connected with the positive output end of a direct current power supply, the output end of the power supply circuit is connected with the input end of the indicating circuit, the power supply input end of the low-power consumption single chip circuit, the power supply input end of the interface circuit and the power supply input end of the display circuit, the output end of the indicating circuit is connected with the negative output end or the grounding end of the direct current power supply, the power supply output end of the low-power consumption single chip circuit is connected with the grounding end, the power supply output end of the display circuit is connected with the grounding end, the power supply output end of the interface circuit is connected with the grounding end, the first signal output end of the interface circuit is connected with the first signal input end of the low-power consumption single chip circuit, and the second signal output end of the interface circuit is connected with the second signal input end of the display circuit, the second signal input end of the low-power-consumption single chip circuit is connected with the switch circuit, the first signal output end of the low-power-consumption single chip circuit is connected with the signal end of the indicating circuit, and the second signal output end of the low-power-consumption single chip circuit is connected with the first signal input end of the display circuit.

2. The circuit of claim 1, wherein the low power consumption single chip microcomputer circuit comprises a single chip microcomputer U1 and a resistor R3, the 7 terminal of the singlechip chip U1 is connected in parallel with one end of the resistor R3 and one terminal of the switch circuit, the other end of the resistor R3 is grounded, the terminals 3, 5 and 6 of the singlechip chip U1 are respectively connected with the other three terminals of the switch circuit, the '2' terminal of the singlechip chip U1 is connected with the signal end of the indicating circuit, the '4' terminal of the singlechip chip U1 is connected with the output end of the power supply circuit, the '1' terminal of the singlechip chip U1 is connected with the first signal input end of the display circuit, the ' 11 ' terminal of the single chip microcomputer chip U1 is grounded, and the ' 10 ', 13 and 14 ' terminals of the single chip microcomputer chip U1 are connected with the first signal output end of the interface circuit.

3. The circuit of claim 1, wherein the power circuit comprises a resistor R1, a capacitor C1, a capacitor C2, a capacitor C3 and a capacitor C4, one end of the resistor R1, one end of the capacitor C1, one end of the capacitor C2, one end of the capacitor C3 and one end of the capacitor C4 are all connected to the positive output terminal of the dc power, the other end of the capacitor C1, the other end of the capacitor C2, the other end of the capacitor C3 and the other end of the capacitor C4 are all connected to ground, and the other end of the resistor R1 is connected to the input terminal of the indicating circuit.

4. The circuit of claim 1, wherein the indicator circuit comprises an indicator LED1, an NPN transistor Q1, and a resistor R2, an anode of the indicator LED1 is connected to the output terminal of the power circuit, a cathode of the indicator LED1 is connected to the collector of the NPN transistor Q1, an emitter of the NPN transistor Q1 is grounded, a base of the NPN transistor Q1 is connected to one end of the resistor R2, and the other end of the resistor R2 is connected to the first signal output terminal of the low power consumption single chip circuit.

5. The circuit of claim 1, wherein the switch circuit comprises a switch chip S1, the "5, 6, 7, 8" terminals of the switch chip S1 are connected to the ground, and the "1, 2, 3, 4" terminals of the switch chip S1 are respectively connected to the second signal input terminal of the low power consumption single chip circuit.

6. The circuit of claim 1, wherein the display circuit comprises LCD1 chips, capacitor C5 and capacitor C6, the "VDD" terminal of the LCD1 chip is connected to the output terminal of the power supply circuit, the "VSS" terminal of the LCD1 chip is grounded, the ESD terminal of the LCD1 chip is grounded, the VG terminal of the LCD1 chip is connected with one end of the capacitor C5, the other end of the capacitor C5 is grounded, the VO terminal of the LCD1 chip is connected with one end of the capacitor C6, the other end of the capacitor C6 is connected with an XVO terminal of the LCD1 chip, a CS terminal of the LCD1 chip is connected with a second signal output end of the low-power consumption single chip microcomputer circuit, the "SDA" terminal, "SCL" terminal, "A0" terminal and "RST" terminal of the LCD1 chip are respectively connected with the second signal output end of the interface circuit.

7. The circuit of claim 1, wherein the interface circuit comprises a DIP-10 chip J1, terminals "1 and 2" of the DIP-10 chip J1 are grounded, terminals "3, 4, 5 and 6" of the DIP-10 chip J1 are respectively connected to the second signal input terminal of the display circuit, terminals "7 and 8" of the DIP-10 chip J1 are connected to the first signal input terminal of the low power consumption single chip circuit, and terminals "9 and 10" of the DIP-10 chip J1 are connected to the output terminal of the power circuit.

8. The circuit of claim 2, wherein the type of the monolithic integrated circuit chip U1 is EM78P372NSO 14J.

9. The circuit of claim 5, wherein the switch chip S1 is an 8-pin chip switch.

10. The circuit of claim 6, wherein the LCD1 chip has a model number of ST 7567.