CN-224203745-U - Wireless control device applied to mining explosion-proof frequency converter equipment

CN224203745UCN 224203745 UCN224203745 UCN 224203745UCN-224203745-U

Abstract

The utility model relates to the technical field of mining explosion-proof frequency converters, and discloses a wireless control device applied to mining explosion-proof frequency converter equipment, which comprises a power supply module, a battery module, a boosting module, a control module, a wireless communication module and a display screen driving module; the power supply module is respectively connected with the boosting module, the control module, the wireless communication module and the display screen driving module, the battery module is connected with the control module, the boosting module is respectively connected with the control module and the display screen driving module, and the control module is respectively connected with the wireless communication module and the display screen driving module. The utility model can exchange data with the inside of the frequency converter device through wireless data communication by the explosion-proof shell, thereby being more convenient for monitoring the running state in real time and greatly saving the manual maintenance and debugging cost.

Inventors

ZHANG JIAMING
ZHANG BIN
QIN WENBIN
GONG CHENG
CHEN JIANBIN
YAO SHANJIAN
ZHANG SHUO
LI ZHI

Assignees

华夏天信智能物联股份有限公司

Dates

Publication Date: 20260505
Application Date: 20250410

Claims (10)

1. The wireless control device for the mining explosion-proof frequency converter equipment is characterized by comprising a power supply module, a battery module, a boosting module, a control module, a wireless communication module and a display screen driving module, wherein the power supply module is respectively connected with the boosting module, the control module, the wireless communication module and the display screen driving module, the battery module is connected with the control module, the boosting module is respectively connected with the control module and the display screen driving module, and the control module is respectively connected with the wireless communication module and the display screen driving module.
2. The wireless control device applied to the mining explosion-proof frequency converter equipment according to claim 1, wherein the power supply module comprises a connector, a 5V voltage conversion chip and a 3.3V voltage conversion chip, a power supply end of the connector is connected with an external power supply and is connected to a power supply voltage end of the 5V voltage conversion chip, a 5V voltage output end of the 5V voltage conversion chip is respectively connected with a power supply voltage end of the 3.3V voltage conversion chip and a power supply voltage end of the boosting module, and a 3.3V voltage output end of the 3.3V voltage conversion chip is respectively connected with a power supply voltage end of the battery module, a power supply voltage end of the control module, a power supply voltage end of the wireless communication module and a power supply voltage end of the display screen driving module.
3. The wireless control device applied to the mining explosion-proof frequency converter equipment is characterized in that the battery module comprises a battery, a first diode and a second diode, a battery voltage end of the battery is connected with a positive electrode of the second diode, a positive electrode of the first diode is connected with a 3.3V voltage output end of a 3.3V voltage conversion chip, and a negative electrode of the first diode is connected with a negative electrode of the second diode and is connected with a clock voltage end of the control module.
4. The wireless control device applied to the mining explosion-proof frequency converter equipment according to claim 3, wherein the boosting module comprises a 15V boosting chip, a power supply voltage end of the 15V boosting chip is connected with a 5V voltage output end of the 5V voltage conversion chip, an enabling end of the 15V boosting chip is connected with an enabling end of the control module, and a 15V voltage output end of the 15V boosting chip is connected with a power supply voltage end of the display screen driving module.
5. The wireless control device applied to the mining explosion-proof frequency converter equipment is characterized in that the wireless communication module comprises a wireless communication chip, an electromagnetic filter circuit and an antenna, a data transmission pin of the wireless communication chip is connected with a data transmission pin of the control module, a radio frequency communication pin of the wireless communication chip is connected with the antenna through the electromagnetic filter circuit, and a 3.3V power supply voltage end of the wireless communication chip is connected with a 3.3V voltage output end of the 3.3V voltage conversion chip.
6. The wireless control device for the mining explosion-proof frequency converter equipment according to claim 5, wherein the display screen driving module comprises a display screen driving chip, and a data transmission pin, a communication pin and a control pin of the display screen driving chip are connected with a data transmission pin, a communication pin and a control pin of the control module.
7. The wireless control device applied to mining explosion-proof frequency converter equipment according to claim 6, further comprising a 485 signal driving module; The 485 signal driving module comprises a 485 receiving and transmitting chip and a 485 signal filtering chip, wherein a signal input pin of the 485 signal filtering chip is connected with a signal end of the connector, a signal receiving and transmitting pin of the 485 signal filtering chip is connected with a signal receiving and transmitting pin of the 485 receiving and transmitting chip, a power supply voltage end of the 485 receiving and transmitting chip is connected with a 5V voltage output end of the 5V voltage conversion chip, and a data transmission pin of the 485 receiving and transmitting chip is connected with a data transmission pin of the control module.
8. The wireless control device for mining explosion-proof frequency converter equipment according to claim 7, further comprising a TF storage driving module; The TF storage driving module comprises a TF protection chip and a TF control chip, wherein a power supply voltage end of the TF protection chip is connected with a 3.3V voltage output end of a 3.3V voltage conversion chip, a conversion power supply end of the TF protection chip is connected with a conversion power supply end of the TF protection chip, a reset pin of the TF protection chip is connected with a reset pin of the control module, and a data transmission pin of the TF protection chip is respectively connected with a data transmission pin of the TF control chip and a data transmission pin of the control module.
9. The wireless control device applied to mining explosion-proof frequency converter equipment according to claim 8, further comprising an FRAM storage drive module; the FRAM storage driving module comprises an FRAM storage chip, wherein a data transmission pin and a control pin of the FRAM storage chip are connected with a data transmission pin and a control pin of the control module.
10. The wireless control device applied to mining explosion-proof frequency converter equipment according to claim 1, further comprising a USB driving module; The USB driving module comprises a USB driving chip, and a data transmission pin of the USB driving chip is connected with a data transmission pin of the control module.

Description

Wireless control device applied to mining explosion-proof frequency converter equipment Technical Field The utility model relates to the technical field of mining explosion-proof frequency converters, in particular to a wireless control device applied to mining explosion-proof frequency converter equipment. Background Because of the explosion-proof and intrinsic safety requirements of the frequency converter equipment, most of the frequency converter equipment is a stainless steel shell with explosion-proof property, and because coal dust is fully distributed in the coal mine, most of the frequency converter equipment has the requirement of airtight protection, and the tightness and thickness of the shell have certain index requirements. The door cover of the shell of the frequency converter equipment and the thickness thereof are caused, when equipment debugging, downloading programs and downloading parameters are needed, the door cover is required to be opened for wired connection operation, the door cover is difficult to conveniently open and close, time and effort are extremely long in operation, personnel injury is easy to cause, regular maintenance and inspection are difficult, and safety accidents are easy to cause. The device with wired connection is easy to be influenced by high-energy wired transmission of high voltage and high current during the operation of the device, so that the controller is damaged, and the controller is poor in tightness due to the fact that the wire hole is formed in the wired transmission, and can be corroded or damaged by the influence of moisture when the device is applied to a humid environment or a salt fog environment for a long time. The explosion-proof housing of the frequency converter is made of metal materials such as stainless steel, and the thickness is extremely thick, and general wireless signal equipment can be blocked and reflected by the metal housing, so that data transmission is affected, and therefore, a wireless control device is required to be designed to penetrate the metal housing to modify internal parameters of the equipment and monitor the state in real time. Disclosure of utility model Aiming at the defects in the prior art, the utility model provides a wireless control device applied to mining explosion-proof frequency converter equipment. In order to achieve the aim of the utility model, the utility model adopts the following technical scheme: the wireless control device applied to the mining explosion-proof frequency converter equipment comprises a power supply module, a battery module, a boosting module, a control module, a wireless communication module and a display screen driving module, wherein the power supply module is respectively connected with the boosting module, the control module, the wireless communication module and the display screen driving module, the battery module is connected with the control module, the boosting module is respectively connected with the control module and the display screen driving module, and the control module is respectively connected with the wireless communication module and the display screen driving module. Preferably, the power supply module comprises a connector, a 5V voltage conversion chip and a 3.3V voltage conversion chip, wherein the power supply end of the connector is connected with an external power supply and is connected to the power supply voltage end of the 5V voltage conversion chip, the 5V voltage output end of the 5V voltage conversion chip is respectively connected with the power supply voltage end of the 3.3V voltage conversion chip and the power supply voltage end of the boosting module, and the 3.3V voltage output end of the 3.3V voltage conversion chip is respectively connected with the power supply voltage end of the battery module, the power supply voltage end of the control module, the power supply voltage end of the wireless communication module and the power supply voltage end of the display screen driving module. Preferably, the battery module comprises a battery, a first diode and a second diode, wherein a battery voltage end of the battery is connected with a positive electrode of the second diode, the positive electrode of the first diode is connected with a 3.3V voltage output end of the 3.3V voltage conversion chip, and a negative electrode of the first diode is connected with a negative electrode of the second diode and is connected with a clock voltage end of the control module. The power supply voltage end of the 15V boosting chip is connected with the 5V voltage output end of the 5V voltage conversion chip, the enabling end of the 15V boosting chip is connected with the enabling end of the control module, and the 15V voltage output end of the 15V boosting chip is connected with the power supply voltage end of the display screen driving module. The wireless communication module comprises a wireless communication chip, an electromagnetic filter circuit and an ant