CN215734928U

CN215734928U - Circuit with accurate location of led

Info

Publication number: CN215734928U
Application number: CN202122059361.1U
Authority: CN
Inventors: 刘元; 雷强
Original assignee: Chongqing Bingwei Photoelectric Co ltd
Current assignee: Chongqing Bingwei Photoelectric Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-02-01
Anticipated expiration: 2031-08-30

Abstract

The utility model belongs to the technical field of LED positioning circuits, in particular to a circuit for accurately positioning by using an LED, aiming at the problems that object files are very troublesome to find and a large amount of time is needed to find, the utility model provides a scheme which comprises a singlechip U1, wherein a seventh pin of the singlechip U1 is connected with one ends of a resistor R9, a resistor R7 and a capacitor C2, the other end of a resistor R9 is connected with an amplifier A, the other end of the capacitor C2 is connected with the negative pole of the amplifier A, the positive pole of the amplifier A is connected with one end of a capacitor C1, the other end of the capacitor C1 is connected with a resistor R8 and a diode D1, a first pin of the singlechip U1 is connected with one end of an LED1, the other end of the LED1 is connected with one end of a resistor R1, and a second pin of the singlechip U1 is connected with one end of an LED 2. According to the utility model, the required files can be found immediately by seeing the position of the lamp, so that the time is saved and the convenience is realized.

Description

Circuit with accurate location of led

Technical Field

The utility model relates to the technical field of LED positioning circuits, in particular to a circuit for accurately positioning by using LEDs.

Background

With the development of technology, in order to improve the working efficiency, the conventional paper files are gradually upgraded into electronic files by large enterprises and public institutions such as schools, banks, insurance companies, public security offices, government file rooms and the like, and cabinets for storing the paper files are gradually changed into dense cabinets, so that the places and the spaces are saved, and the file management grade and the file management image are improved. After the modification, the electronic file data stored in the background server must correspond to the paper files of the real objects one by one. The archives are called or modified, must all find in the computer (accessible file management system APP software), look for the archives in kind again, before designing the circuit of this kind of LED accurate positioning, it is very troublesome to look for the archives in kind, need spend a large amount of time to look for, often read the archives near many times and just find the archives that need.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects that finding a physical file is very troublesome and needs a large amount of time, and provides a circuit for accurate positioning by using an led.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a circuit with accurate location of LED, includes singlechip U1, singlechip U1's seventh pin is connected with resistance R9, resistance R7 and electric capacity C2's one end, and resistance R9's the other end is connected with amplifier A, electric capacity C2's the other end is connected with amplifier A's negative pole, and amplifier A's positive pole is connected with electric capacity C1's one end, and electric capacity C1's the other end is connected with resistance R8 and diode D1, the one end of LED1 is connected to singlechip U1's first pin, and the other end of LED1 is connected with the one end of resistance R1, and singlechip U1's second pin is connected with the one end of LED2, and the other end of LED2 is connected with the one end of resistance R2.

Preferably, a third pin of the single chip microcomputer U1 is connected with one end of an LED3, the other end of the LED3 is connected with one end of a resistor E3, a fourth pin, a fifth pin and a sixth pin of the single chip microcomputer U1 are respectively connected with one ends of an LED4, an LED5 and an LED6, and the other ends of the LED4, the LED5 and the LED6 are respectively connected with one ends of resistors R4, R5 and R6.

Preferably, the other ends of the resistors R4, R5, R6, R1, R2 and R3 are grounded.

Preferably, the model of the single chip microcomputer U1 is AT89C 51.

Preferably, the capacity value of the C1 is 20 pF.

Compared with the prior art, the utility model has the advantages that:

(1) according to the scheme, a required file is input into a computer, a current signal corresponding to the file enters a single chip microcomputer U1 through a resistor R8, a capacitor C1, an amplifier A and a resistor R9, and the single chip microcomputer U1 controls a corresponding LED to light up according to the received current signal to quickly position the file;

according to the utility model, the required files can be found immediately by seeing the position of the lamp, so that the time is saved and the convenience is realized.

Drawings

FIG. 1 is a circuit diagram of a circuit for accurate positioning using led according to the present invention;

fig. 2 is a schematic diagram of a light bar circuit in a second embodiment of a circuit for accurate positioning using led according to the present invention;

FIG. 3 is a schematic diagram of a connection board between a light bar and a computer according to a second embodiment of the circuit for accurate positioning by using an led of the present invention;

fig. 4 is a schematic diagram of a light bar signal amplification board in a second embodiment of the circuit for accurate positioning by using led according to the present invention;

fig. 5 is a schematic diagram of a light bar connecting plate in a second embodiment of the circuit with led precise positioning according to the present invention.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.

Example one

Referring to fig. 1, a circuit for accurate LED positioning includes a single chip microcomputer U1, a seventh pin of the single chip microcomputer U1 is connected with one ends of a resistor R9, a resistor R7 and a capacitor C2, the other end of the resistor R9 is connected with an amplifier a, the other end of the capacitor C2 is connected with a negative electrode of the amplifier a, an anode of the amplifier a is connected with one end of a capacitor C1, the other end of the capacitor C1 is connected with a resistor R8 and a diode D1, a first pin of the single chip microcomputer U1 is connected with one end of an LED1, the other end of the LED1 is connected with one end of a resistor R1, a second pin of the single chip microcomputer U1 is connected with one end of an LED2, and the other end of the LED2 is connected with one end of a resistor R2.

In this embodiment, the third pin of the single chip microcomputer U1 is connected with one end of an LED3, the other end of the LED3 is connected with one end of a resistor E3, the fourth pin, the fifth pin and the sixth pin of the single chip microcomputer U1 are respectively connected with one ends of an LED4, an LED5 and an LED6, and the other ends of the LED4, the LED5 and the LED6 are respectively connected with one ends of resistors R4, R5 and R6.

In this embodiment, the other ends of the resistors R4, R5, R6, R1, R2, and R3 are grounded.

In this embodiment, the model of the singlechip U1 is AT89C 51.

In this embodiment, the capacitance of C1 is 20 pF.

Example two

Referring to fig. 2-5, in the embodiment, a communication protocol is firstly formulated, the protocol specifies the number of each light bar, each light bar is provided with a certain number of LED lights, the number of LED lights depends on the thickness of a file box and the width of a dense cabinet, the width of the dense cabinet on the market is generally 1 meter, 6 layers are divided into two sides, the thickness of files in different units is different, 16, 20, 22 and 24 parts are stored in each layer, light bars with the designed length of 82-85cm are fixed on a shelf for storing files in each layer, and each light corresponds to one file. The method is characterized in that a unique address code is assigned to each lamp in a communication protocol, a computer is connected with the lamp strips through a 232 communication board, a 485IC on the lamp panel analyzes a corresponding lamp strip code and then transmits the lamp strip code to a CPU in the lamp strips to control the lighting of lamp beads of files corresponding to addresses, the communication protocol, a lamp strip hardware circuit board, the communication boards, a signal relay board, six connecting wires, connecting boards and connecting data wires between cabinets and related software are designed, the led accurate positioning circuit is applied to a file dense cabinet, the design size of the lamp strips, the selection type and the arrangement position of the lamp beads and the number of chips are designed, the computer connecting boards, the signal relay board, the cascade circuit board and the connecting data wires are designed to be unique, and the light emitting color of the lamp beads is red or white for selection. The number of lamp beads arranged on each lamp strip is 15-30, the driving principle is that an output port matrix is arranged, any lamp bead is simultaneously controlled by two interfaces of rows and columns, and the number of rows and columns can obtain the maximum number of lamps to be controlled, so that more lamps are controlled by fewer CPU output ports, and the copper foil routing on the PCB is reduced. The transmission data adopts the serial mode to save the radical of connecting wire, the lamp strip power supply adopts 5v2A power.

The LED accurate positioning light bar adopts a communication protocol written by the LED accurate positioning light bar, the electronic file and paper file one-to-one correspondence of the computer file management system is realized through the LED light bar, the LED lamp corresponding to the file to be found is lightened, and the LED lamp is not required to be lightened, so that the finding is facilitated. The length and the width of lamp strip are fit for the backup pad size on every layer of intensive cabinet, and lamp pearl number is the same with every layer and deposits archives number of copies, as shown in the figure, lamp plate length 85cm, width 17mm, and lamp pearl number has 15, 16, 20, 22, 24 confessions to select, can customize. The lamp bead packaging form has two choices of a patch and a value insertion type, and the light-emitting color has red and white choices.

Each light bar has a code, in the file management system, each file has a one-to-one corresponding address code with the lamp of the light bar on the light bar, the file in the management system is clicked, the computer can send out a communication instruction, the communication instruction is transmitted to the light bar through the computer connecting plate, and then the corresponding lamp is driven to light. The connection among the computer connecting plate, the signal relay board and the connecting data line lamp plate needs to ensure smooth communication and correct installation sequence, so that the normal function can be realized. The light bar installation sequence is as follows:

after the system is installed, the system has a self-checking function and is delivered for use after the system is checked to be correct.

Description of the drawings: the number of layers counts from the bottom up, faces each row, starts from the first row on the left, starts to the first row on the right after section 6 finishes, finishes the one deck and then installs the next layer on top, 72 lamp strips are installed to each row, and the installation sequence of the next row is the same. The numbers in the squares are the light bar numbers, and labels are marked on each light bar. Every 32-40 light bars need to be connected with a relay board, so that any number of light bars can be infinitely connected.

The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.

Claims

1. The utility model provides a circuit with accurate location of LED, includes singlechip U1, its characterized in that, singlechip U1's seventh pin is connected with resistance R9, resistance R7 and electric capacity C2's one end, and resistance R9's the other end is connected with amplifier A, electric capacity C2's the other end is connected with amplifier A's negative pole, and amplifier A's positive pole is connected with electric capacity C1's one end, and electric capacity C1's the other end is connected with resistance R8 and diode D1, the one end of LED1 is connected to singlechip U1's first pin, and the other end of LED1 is connected with the one end of resistance R1, and singlechip U1's second pin is connected with the one end of LED2, and the other end of LED2 is connected with the one end of resistance R2.

2. An LED positioning circuit as claimed in claim 1, wherein the third pin of the single chip microcomputer U1 is connected to one end of an LED3, the other end of the LED3 is connected to one end of a resistor E3, the fourth pin, the fifth pin and the sixth pin of the single chip microcomputer U1 are connected to one ends of an LED4, an LED5 and an LED6, respectively, and the other ends of the LED4, the LED5 and the LED6 are connected to one ends of resistors R4, R5 and R6, respectively.

3. A circuit with led fine positioning as claimed in claim 1, wherein the other ends of the resistors R4, R5, R6, R1, R2 and R3 are grounded.

4. The led precise positioning circuit as claimed in claim 1, wherein the single chip microcomputer U1 is AT89C 51.

5. A led positioning circuit as claimed in claim 1, wherein the capacitance of C1 is 20 pF.