CN209895459U - Early warning device for test site during high-voltage test - Google Patents

Abstract

The utility model discloses an early warning device for a test site during a high-voltage test, which comprises a chip module, a trigger module, a serial communication module, a USB module, a voice module and a flash memory serial port module soldered on a circuit board. The pin 1 and pin 10 of the capacitor C1 of the YX6100 chip U1 are connected to the U2 pin 8 of the CS8622E chip in the voice module. The VDD terminal of the U1 pin of the YX6100 chip is connected in parallel with the parallel interface of the capacitor C16 and the 4.3V voltage. The other side of the capacitor C16 One end is grounded. This high-voltage test site early warning device can detect people who are close to the high-voltage test area during the high-voltage test at any time. When it receives the trigger signal of the system board, it can be sent out in time. After installation, it can send out a voice warning to avoid unnecessary overruns. The fence phenomenon greatly reduces the workload of on-site guardians, avoids personal safety accidents for testers and non-testers, saves compensation costs, greatly improves safety benefits, and improves economic benefits.

Description

A test site early warning device during high voltage test

technical field

The utility model relates to the technical field of electrical safety, in particular to an early warning device for a test site during a high-voltage test.

Background technique

Electrical test is an important means of monitoring the state of substation equipment, and the test data is an important basis for evaluating the state of substation equipment. In electrical test projects, high voltage is often involved, such as AC withstand voltage test, DC withstand voltage test, dielectric loss test, insulation resistance test and many other test instruments will output high voltage. safety of others.

The environment of the large-scale test site is relatively complex, and there are many uncontrollable factors. After the operators and guardians work for a long time, the safety vigilance of the test start, end and wiring changes will be reduced, and it is easy to cooperate improperly, resulting in personnel entering the test area by mistake, relying solely on The safety prevention and control ability of the high-voltage test fence is relatively weak, and it mainly relies on the isolation of the fence and the warning sign "Stop, high-voltage danger!", prohibiting irrelevant personnel from entering. For a larger test site or a test environment with a long time and complicated work, the dedicated guardian has a limited field of vision, especially at night, when the environment is complex and the monitoring is extremely difficult. Traditional safety fences are essential safety equipment for electrical tests, but in long-term use, there are many drawbacks such as low restraint force and the need to configure multiple people to monitor. The "column" of the personnel is very important and requires a lot of energy. Each scattered test site usually has test guardians. When multiple tasks are carried out, it is difficult to ensure sufficient dedicated guardians after the personnel are divided.

The high-voltage test is usually carried out in the substation or in the experimental workshop. The site is relatively flat and meets the requirements of setting up a fence. After the fence collapses, the test personnel should restore the existing safety measures in time. The purpose of the test personnel entering the test area by mistake.

Therefore, it is necessary to have a real-time reminder and warning safety measures to avoid accidents during the high-voltage test.

Utility model content

The purpose of the utility model is to provide an early warning device for a test site during a high-voltage test, which has the advantages of playing voice, reducing the risk of personnel entering the high-voltage test area by mistake, and solving the problems in the prior art.

In order to achieve the above purpose, the utility model provides the following technical solutions: a test site early warning device during a high-voltage test, comprising a chip module, a trigger module, a serial communication module, a USB module, a voice module and a flash memory serial port soldered on a circuit board Module, the pin 1 and pin 10 of the YX6100 chip U1 series capacitor C1 in the chip module are connected to the CS8622E chip U2 pin 8 in the voice module, and the VDD terminal of the YX6100 chip U1 pin is connected in parallel with the capacitor C16 and the 4.3V voltage. On the parallel interface, the other end of the capacitor C16 is grounded, the pins 13, 14, 15, 16, 17, 18 and 19 of the YX6100 chip U1 are connected to the trigger module, and the U1 pin 3 of the YX6100 chip is connected to the capacitor C17 and the 4.3V voltage. On the parallel interface, the other end of the capacitor C17 is grounded, the YX6100 chip U1 pin 23 is connected to the series capacitor C18 to ground, the YX6100 chip U1 pins 6 and 7 are connected to the serial communication module, the YX6100 chip U1 pins 20 and 21 are connected to the USB module 4 Connected, YX6100 chip U1 pins 9, 10 and 11 are connected to the flash serial port module.

Preferably, the upper pin 8 of the HEAD8 interface CN2 in the trigger module is connected in series with the trigger pin J1 to ground, and the upper end corners 7, 6, 5, 4, 3 and 2 of the HEAD8 interface CN2 are respectively connected with the pins 14, 15, 15, 15 of the YX6100 chip U1. 16, 17, 18 and 19 correspond to connections.

Preferably, the upper corners 2 and 3 of the HEAD6 interface CN1 in the serial communication module are correspondingly connected with pins 6 and 7 of the X6100 chip U1, the upper corner 4 of the HEAD6 interface CN1 is connected in series with a resistor R31 of 3.3V voltage, and the upper end of the HEAD6 interface CN1 Corner 6 is grounded.

Preferably, the J2 end corners 2 and 3 of the USB Micro in the USB module 4 are correspondingly connected to the X6100 chip U1 pins 20 and 21, and the J2 end corners 4 and 5 of the USB Micro are grounded in parallel.

Preferably, pin 1 of CS8622E chip U2 in the voice module is connected to the parallel interface of resistor R22 and the collector of transistor Q1, the other end of resistor R22 is connected to the parallel interface of resistor R21, capacitor C6 and pin 9, and the other end of resistor R21 is connected to the parallel interface of resistor R21, capacitor C6 and pin 9. The parallel interface of capacitor C10 and pin 4, the base series resistor R17 of transistor Q1 is connected to pin 10 of YX6100 chip U1, the emitter of transistor Q1 is connected to pin 2, the parallel capacitor C9 pins 6 and 3, the series capacitor Pin 7 of C13 and the parallel interface of potentiometer RP1, CS8622E chip U2 pin 16 series capacitor C8 is connected to pins 13 and 15, and pins 13 and 15 are also connected in series with FB1 to the speaker SPK1 of the parallel capacitor C11 at one end , CS8622E chip U2 pin 10 series capacitor C14 is connected to pins 11 and 12, pins 11 and 12 are also connected in series with FB2 connected to one end of the speaker SPK1 with capacitor C12 in parallel.

Preferably, in the flash serial port module, the pin 1 of the SPI FLASH chip U5 is connected with the pin 9 of the YX6100 chip U1, the pin 2 of the SPI FLASH chip U5 is connected in series with the resistor R23 and the pin 11 of the YX6100 chip U1, and the SPI FLASH chip U1 is connected with the pin 11. Pins 7 and 8 of chip U5 are connected to capacitor C20, pin 6 of SPI FLASH chip U5 is connected to pin 12 of U1 of YX6100 chip, and pin 5 of SPIFLASH chip U5 is connected to pin 11 of U1 of YX6100 chip.

Compared with the prior art, the beneficial effects of the present utility model are as follows:

This high-voltage test site early warning device can detect people who are close to the high-voltage test area during the high-voltage test at any time. When it receives the trigger signal of the system board, it can be sent out in time. After installation, it can send out a voice warning to avoid unnecessary overruns. The fence phenomenon greatly reduces the workload of on-site guardians. The device can effectively protect the safety of people, equipment and power grids, avoid personal safety accidents for testers and non-testers, save compensation costs, greatly improve safety benefits, and improve economical benefit.

Description of drawings

Fig. 1 is the overall structure diagram of the utility model;

Fig. 2 is the chip module circuit diagram of the utility model;

3 is a circuit diagram of a trigger module of the present invention;

4 is a circuit diagram of a serial communication module of the present invention;

Fig. 5 is the USB module circuit diagram of the utility model;

Fig. 6 is the speech module circuit diagram of the utility model;

FIG. 7 is a circuit diagram of a flash memory serial port module of the present invention.

In the figure: 1. Chip module; 2. Trigger module; 3. Serial communication module; 4. USB module; 5. Voice module; 6. Flash serial port module.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to Figure 1-2, an early warning device for a test site during a high voltage test, including a chip module 1 soldered on a circuit board, a trigger module 2, a serial communication module 3, a USB module 4, a voice module 5 and a flash serial port module 6. The pins 1 and 10 of the YX6100 chip U1 in the chip module 1 are connected in series with the capacitor C1 to pin 8 of the CS8622E chip U2 in the voice module 5, and the VDD terminal of the U1 pin of the YX6100 chip is connected in parallel with the capacitor C16 and the 4.3V voltage. On the parallel interface, the other end of the capacitor C16 is grounded, the pins 13, 14, 15, 16, 17, 18 and 19 of the YX6100 chip U1 are connected to the trigger module 2, and the U1 pin 3 of the YX6100 chip is connected to the capacitor C17 and 4.3V voltage On the parallel interface, the other end of the capacitor C17 is grounded, the U1 pin 23 of the YX6100 chip is connected in series with the capacitor C18, the YX6100 chip U1 pins 6 and 7 are connected to the serial communication module 3, the YX6100 chip U1 pins 20 and 21 are connected to the USB Module 4 is connected, and pins 9, 10 and 11 of U1 of the YX6100 chip are connected to the flash serial port module 6.

KEY1 and KEY2 are used as port trigger pins, CS and DO are used as serial output and chip selection pins to read the flash content in the serial port module 6 of the flash memory; DACL is the power amplifier interface, which makes it output a continuously changing audio module.

Please refer to Figure 3. In trigger module 2, pin 8 of the HEAD8 interface CN2 is connected in series with the trigger pin J1, and the upper corners 7, 6, 5, 4, 3 and 2 of the HEAD8 interface CN2 are connected to pins 14 and 15 of U1 of the YX6100 chip, respectively. , 16, 17, 18 and 19 are connected correspondingly,

The trigger module 2 adopts the way of IO button, the advantage of this is to make full use of more and more GPIO of MCU. The design is cumbersome but not simple. The function assignment of multiple buttons is configured by default, which can be controlled at will in any harsh occasion, and can even be used as a communication interface with the MCU. The buttons are assigned 4 different types of functions. One-to-one trigger playback, one-to-one trigger playback can be interrupted, and the level can be maintained in a loop; one-to-one trigger playback cannot be interrupted; standard playback functions, such as up and down songs, playback pause, etc.

Please refer to Figure 4, the upper corners 2 and 3 of the HEAD6 interface CN1 in the serial communication module 3 are correspondingly connected to the pins 6 and 7 of the X6100 chip U1, the HEAD6 interface CN1 upper corner 4 series resistor R31 is connected to 3.3V voltage, HEAD6 interface CN1 The upper end corner 6 is grounded.

At the same time, the more powerful RS485 can be expanded on this basis for networking. The communication baud rate of the serial port can be set by itself. If we specify to play SPIFLASH, we need to send: 7E FF 06 09 00 00 04 FE EE EF data length is 6 , these 6 bytes are [FF 06 09 00 00 04] respectively. Start, end, and checksums are not calculated, and the resulting results are accumulated.

Please refer to Figure 5, the J2 end corners 2 and 3 of the USB Micro in the USB module 4 are connected to the X6100 chip U1 pins 20 and 21 correspondingly, and the J2 end corners 4 and 5 of the USB Micro are connected to ground in parallel.

The USB module 4 can use the MicroUSB cable to directly update the voice, which is convenient and flexible. No need to install any software, U disk mode, direct update, no need for special downloader, no compression and damage to sound quality, to ensure a higher sound quality experience; support WIN98, WINXP, WIN7, WIN8 multiple operating systems, the voice content needs to use MP3 Format, if not need to be converted; the sampling rate requires 8KHz, 11.025KHz, 12KHz, 16KHz, 22.05KHz, 24KHz, 32KHz, 44.1KHz, 48KHz, plug in the MicroUSB cable, open the removable disk and replace the required audio files.

Please refer to Figure 6. In the voice module 5, the CS8622E chip U2 pin 1 is connected to the parallel interface of the resistor R22 and the collector of the transistor Q1, the other end of the resistor R22 is connected to the parallel interface of the resistor R21, the capacitor C6 and the pin 9, and the other end of the resistor R21 Connect the parallel interface of capacitor C10 and pin 4, the base series resistor R17 of transistor Q1 is connected to pin 10 of U1 of YX6100 chip, the emitter of transistor Q1 is connected to pin 2, and the parallel capacitor C9 pins 6 and 3, connected in series Pin 7 of capacitor C13 and the parallel interface of potentiometer RP1, CS8622E chip U2 pin 16 series capacitor C8 is connected to pins 13 and 15, and pins 13 and 15 are also connected in series with FB1 connected to one end of the speaker SPK1 of parallel capacitor C11 On the top, the CS8622E chip U2 pin 10 series capacitor C14 is connected to pins 11 and 12, and pins 11 and 12 are also connected in series with FB2 to the speaker SPK1 with a parallel capacitor C12 at one end.

RP1 is a potentiometer. The DAC voltage signal is divided by RP1 to obtain a certain voltage, and then the capacitor C15 is connected in series to the inverting input terminal. The obtained error value is further amplified by the amplifier of the latter stage, and the output signal VCC is obtained. Compare, if VCC is higher than the sawtooth wave, output high level; otherwise, output low level.

Please refer to Figure 7. In the flash serial port module 6, the pin 1 of the SPI FLASH chip U5 is connected to the pin 9 of the YX6100 chip U1. The pin 2 of the SPI FLASH chip U5 is connected in series with the resistor R23 and the pin 11 of the YX6100 chip U1. The SPI The pins 7 and 8 of the FLASH chip U5 are connected to the capacitor C20, the pin 6 of the SPI FLASH chip U5 is connected to the pin 12 of the YX6100 chip U1, and the pin 5 of the SPIFLASH chip U5 is connected to the U1 pin 11 of the YX6100 chip.

The YX6100 chip U1 is a voice chip that provides a serial port. Using a USB flash drive as a storage medium, the voice can be programmed into the flash serial port module 6FLASH conveniently and flexibly.

To sum up: this high-voltage test site early warning device can detect people near the high-voltage test area in the high-voltage test at any time during the high-voltage test. When receiving the trigger signal of the system board, it can be sent out in time. After installation, it can send out a voice warning. Avoid unnecessary jumping over the fence and greatly reduce the workload of on-site guardians. The device can effectively protect the safety of people, equipment and power grids, avoid personal safety accidents for testers and non-testers, save compensation costs, and greatly improve safety. Benefit, improve economic efficiency.

The security benefits are obvious, and the security has been greatly improved on the original basis. The device is easy to carry, plays an important role in the safety guarantee in the high-voltage test, and creates intangible social benefits for the enterprise.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a test site early warning device during high-voltage test, includes chip module (1), trigger module (2), serial communication module (3), USB module (4), voice module (5) and flash memory serial port module (6) of soldering on the circuit board, its characterized in that: pin 1 and pin 10 of a YX6100 chip U1 series capacitor C1 in the chip module (1) are connected to pin 8 of a CS8622E chip U2 in the voice module (5), pin VDD of a YX6100 chip U1 is connected to a parallel connection port of capacitors C16 and 4.3V, the other end of the capacitor C16 is grounded, pins 13, 14, 15, 16, 17, 18, and 19 of a YX6100 chip U1 are connected to the trigger module (2), pin 3 of a YX6100 chip U1 is connected to a parallel connection port of capacitors C17 and 4.3V, the other end of the capacitor C17 is grounded, pin 23 of a YX6100 chip U1 is connected to pin C18 in series, pins 6 and 7 of a YX6100 chip U1 are connected to the serial communication module (3), pins 20 and 21 of a YX6100 chip U1 are connected to the USB module (4), and pins 899, 10 and pin 8911 of a flash memory module (serial connection port).

2. The early warning device for the test site during the high-voltage test according to claim 1, wherein: a pin 8 on a HEAD8 interface CN2 in the trigger module (2) is connected with a trigger pin J1 in series and grounded, and upper corners 7, 6, 5, 4, 3 and 2 on a HEAD8 interface CN2 are correspondingly connected with pins 14, 15, 16, 17, 18 and 19 of a U1 of a YX6100 chip respectively.

3. The early warning device for the test site during the high-voltage test according to claim 1, wherein: the upper end corners 2 and 3 of a HEAD6 interface CN1 in the serial communication module (3) are correspondingly connected with pins 6 and 7 of a U1 of an X6100 chip, the upper end corner 4 of a HEAD6 interface CN1 is connected with 3.3V voltage by a series resistor R31, and the upper end corner 6 of a HEAD6 interface CN1 is grounded.

4. The early warning device for the test site during the high-voltage test according to claim 1, wherein: the J2 terminal angles 2 and 3 of the USB Micro in the USB module (4) are correspondingly connected with the U1 pins 20 and 21 of the X6100 chip, and the J2 terminal angles 4 and 5 of the USB Micro are grounded in parallel.

5. The early warning device for the test site during the high-voltage test according to claim 1, wherein: in the voice module (5), pin 1 of a chip U2 of CS8622E is connected with parallel ports of a resistor R22 and a collector of a transistor Q1, the other end of the resistor R22 is connected with parallel ports of a resistor R21, a capacitor C6 and a pin 9, the other end of the resistor R21 is connected with parallel ports of a capacitor C10 and a pin 4, a base series resistor R17 of a transistor Q1 is connected with pin 10 of a chip U1 of YX6100, an emitter of the transistor Q1 is connected with pin 2, pins 6 and 3 of a parallel capacitor C9, pin 7 of a series capacitor C13 and a parallel port of a potentiometer RP1, pin 16 of a chip U1 of CS8622 1 is connected with pins C1, pins 13 and 15 are further connected with a series FB1 in series with pin SPK1 of a parallel capacitor C1, and pin 11 and pin 12 of the chip U8622 1 are further connected with a terminal SPK1 in series with a loudspeaker SPK1 in parallel connection.

6. The early warning device for the test site during the high-voltage test according to claim 1, wherein: pin 1 of SPI FLASH chip U5 meets with YX6100 chip U1 pin 9 in FLASH serial port module (6), pin 2 series resistance R23 of SPI FLASH chip U5 meets with YX6100 chip U1 pin 11, pin 7 and 8 of SPI FLASH chip U5 meet with electric capacity C20, pin 6 of SPI FLASH chip U5 meets with YX6100 chip U1 pin 12, pin 5 of SPI FLASH chip U5 meets with YX6100 chip U1 pin 11.

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