CN211653024U

CN211653024U - Intelligent driving array detection device

Info

Publication number: CN211653024U
Application number: CN201922329528.4U
Authority: CN
Inventors: 张志旭; 孟凡兴; 方正; 高达贤; 王晓炜; 霍延军
Original assignee: Steelify Electric Tianjin Co ltd
Current assignee: Steelify Electric Tianjin Co ltd
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-10-09
Anticipated expiration: 2029-12-23

Abstract

The utility model provides an intelligent drive array detection device, which comprises a singlechip, a liquid crystal display circuit, a voice module circuit, a key control circuit, a multifunctional rotary switch circuit, a semaphore isolation acquisition circuit, a relay output circuit, a system power circuit, a voltage acquisition circuit and a communication circuit, wherein the liquid crystal display circuit, the voice module circuit, the key control circuit, the multifunctional rotary switch circuit, the semaphore isolation acquisition circuit, the relay output circuit, the system power circuit, the voltage acquisition circuit and the communication circuit are connected with; the semaphore isolation acquisition circuit is connected with the singlechip by adopting an optical coupling isolation input node signal, and other elements of the circuit are protected from being damaged; and the output node signal of the relay output circuit is transmitted to the detected driving array. The utility model has the advantages that: the intelligent voice detection and accurate detection of the input and output power of the driving array and the input and output node signals of the driving array board card enable the detection to be more convenient and faster.

Description

Intelligent driving array detection device

Technical Field

The utility model belongs to the technical field of contact net network switch control station remote monitoring, especially, relate to an intelligence drive array detection device.

Background

At present, the detection of a driving mechanism-driving array device of an isolating switch is manual detection, and a maintainer detects voltage and node signals through a universal meter and a detection table device. In many cases, the failure to detect a defective drive array will result in significant loss due to human factors. Such a detection method has not been able to satisfy the accurate, fast, and convenient detection function.

Disclosure of Invention

To solve the above problems, the present invention provides a detection device and a detection method for a driving mechanism-driving array of a disconnecting switch.

In order to achieve the purpose, the invention adopts the technical scheme that: an intelligent drive array detection apparatus comprising: the system comprises a singlechip, a liquid crystal display circuit, a relay output circuit, a communication circuit, a key control circuit, a voltage acquisition circuit, a semaphore isolation acquisition circuit, a multifunctional rotary switch circuit, a system power circuit and a voice module circuit; the relay output circuit, the communication circuit, the voltage acquisition circuit, the semaphore isolation acquisition circuit and the system power circuit are connected to the single chip microcomputer through PCB copper foils; the liquid crystal display circuit, the key control circuit, the multifunctional rotary switch circuit and the voice module circuit are connected to the single chip microcomputer through PCB copper foils and flat cables; the system power supply circuit is used for powering on the whole system.

The semaphore isolation acquisition circuit transmits node signals of the driving array in through the connection of the terminals, and transmits the semaphore to the single chip microcomputer through optical coupling isolation processing.

The relay output circuit drives the relay through the Darlington transistor circuit to transmit the node signal output by the single chip microcomputer to the driving array through the terminal.

The voltage acquisition circuit acquires input and output voltages of each power supply of the driving array through the connection of the terminals, and the voltages are processed by the resistance attenuation and differential circuit and then transmitted to the single chip for processing.

The beneficial effects of the utility model are that realize intelligent detection, remove the loaded down with trivial details operating procedure of artifical detection from, meanwhile improved detection quality, moreover the utility model discloses a portable detection device has made things convenient for to carry when overhauing operation work for overhaul more nimble of work. The detection device can also adjust and control the detection function on the liquid crystal display through the multifunctional rotary switch, after the intelligent voice function is achieved, the detection becomes more intelligent, and the maintainer can visually and detailedly know the specific condition of the problem in the maintenance process;

drawings

Fig. 1 is a system configuration diagram of the present invention;

fig. 2 is a circuit diagram of the voltage acquisition circuit of the present invention.

In the figure:

1. singlechip 2, liquid crystal display circuit 3, relay output circuit

4. Communication circuit 5, key control circuit 6, voltage acquisition circuit

7. Signal quantity isolation acquisition circuit 8, multifunctional rotary switch circuit 9, system power circuit

10. Voice module circuit

Detailed Description

The utility model relates to an intelligence drive array detection device is explained with the attached drawing.

As shown in fig. 1 and fig. 2, the structure of the intelligent driving array detecting device of the present invention is: the system comprises a singlechip 1, a liquid crystal display circuit 2, a relay output circuit 3, a communication circuit 4, a key control circuit 5, a voltage acquisition circuit 6, a semaphore isolation acquisition circuit 7, a multifunctional rotary switch circuit 8, a system power circuit 9 and a voice module circuit 10, wherein the system power circuit 9 is externally connected to an internal power circuit through a terminal to supply power in an on-site system; the relay output circuit 3, the communication circuit 4, the semaphore isolation acquisition circuit 7 and the acquisition voltage circuit 6 are connected to a pin of the singlechip 1 through a PCB and are connected to an external drive array through a terminal; the key control circuit 5, the multifunctional rotary switch circuit 8, the liquid crystal display circuit 2 and the voice module circuit 10 are connected to pins of the singlechip 1 through a PCB and a flat cable;

the utility model relates to an intelligence drive array detection device function is realized like this: the system power circuit 9 supplies power by external 220V, and after the power circuit is converted into 5V, the 5V supplies power for the whole system. And the utility model discloses a power supply circuit has used power isolation technique, comes the security performance of protection system. The key control circuit 5 is connected to the pin of the singlechip 1 through a key to control the start and stop of the work of the detection device. The multifunctional rotary switch circuit 8 is a multifunctional knob A, B phase and an internal key signal, and transmits the signal to the pin of the single chip microcomputer 1 after the capacitive filtering of the multifunctional rotary switch circuit is completed, so that the selection of the liquid crystal display function is completed, and the setting of some parameters can be completed, so that the detection device is more effective, convenient and rapid to implement. The semaphore isolation acquisition circuit 7 comprises optical coupling isolation, a current-limiting resistor and capacitor filtering. The node signal is transmitted to the current-limiting resistor and the capacitor filter from the external terminal, then transmitted to the optocoupler for isolation, and then further shaped through the capacitor filter, and then transmitted to the pin 1 of the singlechip. The method can isolate and protect electronic elements of a following circuit to the maximum extent. The voltage acquisition circuit 6 comprises a voltage attenuation circuit, a differential operational amplifier and a rectification circuit. In the voltage acquisition circuit, the connection of terminals is adopted, the sampling resistor acquires an external sampling voltage value, the external sampling voltage value is transmitted to the differential operational amplifier for differential operation to obtain an analog quantity through the attenuation of the resistor, the analog quantity is sorted through the rectifying circuit, and finally the analog quantity is transmitted to a pin of the single chip microcomputer 1. This circuit is differential circuit, is favorable to anti differential mode interference, makes the fortune put the operation result more accurate, moreover the utility model discloses in, we have gathered the mains voltage of many places to the drive array, accomplish the detection to the drive array, detect the more detailed position that reliably just goes wrong like this also surveyability. In the communication circuit 4, 485 communication is adopted to complete the communication between the system and the driving array. In a communication circuit, a TVS diode and a self-recovery fuse are added at the front end of the circuit. The TVS diode in the communication circuit 4 is used for preventing transient voltage from being too high, and simultaneously preventing static electricity from damaging circuit elements; the self-recovery fuse plays the role of overcurrent protection for the circuit. The relay output circuit 3 includes a darlington transistor, a diode, and a relay circuit. The darlington transistor drives the relay output, wherein the diode protects the circuit.

The utility model discloses an among the liquid crystal display circuit 2, the LCD screen is connected with 1 pin of singlechip, accomplishes the demonstration to detecting data, parameter on the screen. The voice module circuit 10 comprises a voice chip, a buzzer and a current limiting circuit; the voice chip drives the buzzer to work. The utility model discloses in have through the regulation of multi-functional rotary switch, adjust parameter configuration on the liquid crystal display, function selection, in the testing process, when detecting equipment trouble state, have the voice prompt to the concrete trouble condition, also can show the testing result on the liquid crystal display screen simultaneously; the maintenance work is intelligent and automatic, the efficiency and the accuracy of maintenance workers are improved, the fault analysis is more specific, and the maintenance work is facilitated.

Claims

1. An intelligent drive array detection apparatus comprising: the device comprises a singlechip (1), a liquid crystal display circuit (2), a relay output circuit (3), a communication circuit (4), a key control circuit (5), a voltage acquisition circuit (6), a semaphore isolation acquisition circuit (7), a multifunctional rotary switch circuit (8), a system power circuit (9) and a voice module circuit (10); the method is characterized in that: the relay output circuit (3), the communication circuit (4), the voltage acquisition circuit (6), the semaphore isolation acquisition circuit (7) and the system power circuit (9) are connected to the single chip microcomputer (1) through PCB copper foils; the liquid crystal display circuit (2), the key control circuit (5), the multifunctional rotary switch circuit (8) and the voice module circuit (10) are connected to the singlechip (1) through PCB copper foils and flat cables; the system power supply circuit (9) powers on the whole system.

2. The intelligently driven array inspection device of claim 1, wherein: the semaphore isolation acquisition circuit (7) transmits node signals of the driving array through the connection of the terminals, and transmits the semaphore to the single chip microcomputer (1) through optical coupling isolation processing.

3. The intelligently driven array inspection device of claim 1, wherein: the relay output circuit (3) is used for driving a relay to transmit a node signal output by the singlechip (1) to the driving array through a Darlington transistor circuit and a terminal.

4. The intelligently driven array inspection device of claim 1, wherein: the voltage acquisition circuit (6) is connected with the input and output voltages of each power supply of the acquisition driving array through terminals, and the voltages are processed by the resistance attenuation and differential circuit and then transmitted to the single chip microcomputer (1) for processing.