CN-224217014-U - Backflushing protection system for pipeline high-pressure cleaning vehicle

CN224217014UCN 224217014 UCN224217014 UCN 224217014UCN-224217014-U

Abstract

The utility model discloses an anti-backflushing protection system for a pipeline high-pressure cleaning vehicle, which comprises an anti-backflushing safety grid and an intelligent protection device, wherein a sensor installation position for installing a detection sensor is arranged on the anti-backflushing safety grid, the intelligent protection device comprises a control module, a key module, a display module, a detection sensor, a sensor input module, a relay output module, a switching value input module and a power module, the modules are electrically connected, the detection sensor is installed at the sensor installation position of the anti-backflushing safety grid, and the control module coordinates and controls the detection and the interlocking protection of a high-pressure water gun. The utility model improves on the basis of the traditional anti-recoil safety grid, is matched with a highly integrated intelligent terminal device, realizes the operation safety protection of the pipeline high-pressure cleaning vehicle, prevents personal injury caused by the recoil of the high-pressure water gun in a mechanical and electrical matched mode, achieves the purposes of eliminating potential safety hazards and protecting the safety of operators, and has good popularization and application values.

Inventors

HUANG JIANHONG
HUANG YUMEI
WANG GANG
ZHENG ZHIHUI
WU ZHIJUN
Rong Zhenqian
Zeng Weizhao
Xie Congbin
HE DONGQUAN
WANG YE

Assignees

广州市城市排水有限公司

Dates

Publication Date: 20260508
Application Date: 20250701

Claims (9)

1. The anti-backflushing protection system for the pipeline high-pressure cleaning vehicle is characterized by comprising an anti-backflushing safety grid and an intelligent protection device, wherein the anti-backflushing safety grid is used for being inserted into a high-pressure water gun and forming anti-backflushing protection for the high-pressure water gun, and the intelligent protection device is used for being connected with an electric control system of the pipeline high-pressure cleaning vehicle to form interlocking protection for the high-pressure water gun; The anti-recoil safety grid is provided with a sensor mounting position for mounting a detection sensor, and the insertion condition of the high-pressure water gun is detected through the detection sensor and converted into an electric signal to be fed back to the intelligent protection device; The intelligent protection device comprises a control module, a key module, a display module, a detection sensor, a sensor input module, a relay output module, a switching value input module and a power module, wherein the modules are electrically connected, the detection sensor is arranged at a sensor installation position of the anti-recoil safety grid, and the detection and the interlocking protection of the high-pressure water gun are performed through coordination control of the control module.
2. The anti-recoil protection system for the pipeline high-pressure cleaning vehicle of claim 1, wherein the intelligent protection device is connected to a flushing switch loop of the pipeline high-pressure cleaning vehicle in series through a switch contact of the relay output module, and is used for controlling the pressurization and flushing of the high-pressure water gun.
3. The anti-recoil protection system for the pipeline high-pressure cleaning vehicle of claim 1, wherein the detection sensor is a ranging sensor, the sensor installation position is arranged below a cover plate of the anti-recoil safety grid, and the sensor input module is a high-precision A/D converter and converts input voltage of the ranging sensor into distance information.
4. The anti-recoil protection system for the pipeline high-pressure cleaning vehicle of claim 1, wherein the relay output module and the switching value input module are provided with expansion interfaces for expanding functions.
5. The anti-backflushing protection system for the pipeline high-pressure cleaning vehicle of claim 4, wherein a door magnetic switch used for locking the anti-backflushing safety grid in place is arranged on the anti-backflushing safety grid, and the door magnetic switch is accessed through an expansion interface of the switching value input module.
6. The anti-recoil protection system for the pipeline high-pressure cleaning vehicle of claim 4, wherein the expansion interface of the relay output module is connected to an electric control system of the pipeline high-pressure cleaning vehicle in series for emergency stop control.
7. The anti-recoil protection system for the pipeline high-pressure cleaning vehicle of claim 1, wherein the power supply module comprises a 24V direct current power supply unit and a power supply conversion circuit unit, wherein the 24V direct current power supply is introduced by an electric control system of the pipeline high-pressure cleaning vehicle, and the power supply conversion circuit converts the 24V power supply into 5V and 3.3V to supply power to other modules of the intelligent protection device.
8. The anti-recoil protection system for the pipeline high-pressure cleaning vehicle of claim 1, further comprising a Bluetooth module serving as a standby communication interface, wherein the control module adopts a singlechip with the Bluetooth interface as a main control chip, and performs wireless communication with the intelligent terminal through the Bluetooth module.
9. The anti-recoil protection system for the pipeline high-pressure cleaning vehicle according to claim 1, further comprising an alarm module, wherein the alarm module is an audible and visual alarm module and comprises an LED indicator lamp and a buzzer, and audible and visual alarm reminding is carried out when a detection signal of the detection sensor is abnormal.

Description

Backflushing protection system for pipeline high-pressure cleaning vehicle Technical Field The utility model relates to the technical field of safe operation of a pipeline high-pressure cleaning vehicle, in particular to an anti-recoil protection system for the pipeline high-pressure cleaning vehicle. Background The high-pressure cleaning vehicle can be used for strongly decontaminating and cleaning urban road surfaces, washing road teeth, guardrails, hard shoulder, billboards and the like by high-pressure water, flushing sewer, sprinkling, cooling, spraying, dust fall and the like in summer, and has very wide application. The high-pressure cleaning vehicle is characterized in that an anti-recoil protection device is additionally arranged at the position of the well lid during operation so as to protect the safety of operators. The existing anti-recoil protection device is mechanically protected and does not have intelligent detection and interlocking protection functions, so that a safer and more intelligent protection structure system is required to be researched and designed, and the safety of high-pressure flushing operation of a pipeline is improved. Disclosure of Invention The utility model aims at the problems and provides an anti-recoil protection system for a pipeline high-pressure cleaning vehicle. The technical scheme of the utility model is as follows: The anti-recoil protection system for the pipeline high-pressure cleaning vehicle comprises an anti-recoil safety grid and an intelligent protection device, wherein the anti-recoil safety grid is used for being inserted into a high-pressure water gun and forming anti-recoil protection for the high-pressure water gun, and the intelligent protection device is used for being connected with an electric control system of the pipeline high-pressure cleaning vehicle to form interlocking protection for the high-pressure water gun; The anti-recoil safety grid is provided with a sensor mounting position for mounting a detection sensor, and the insertion condition of the high-pressure water gun is detected through the detection sensor and converted into an electric signal to be fed back to the intelligent protection device; The intelligent protection device comprises a control module, a key module, a display module, a detection sensor, a sensor input module, a relay output module, a switching value input module and a power module, wherein the modules are electrically connected, the detection sensor is arranged at a sensor installation position of the anti-recoil safety grid, and the detection and the interlocking protection of the high-pressure water gun are performed through coordination control of the control module. As a further explanation of the utility model, the intelligent protection device is connected to the flushing switch loop of the pipeline high-pressure cleaning vehicle in series through the switch contact of the relay output module, so as to control the pressurization and flushing of the high-pressure water gun. Furthermore, the detection sensor is a ranging sensor, the sensor installation position is arranged below the cover plate of the anti-recoil safety grid, and the sensor input module is a high-precision A/D converter for converting the input voltage of the ranging sensor into distance information. Furthermore, the relay output module and the switching value input module are provided with expansion interfaces for expanding functions. Further, a door magnetic switch used for whether the anti-recoil safety grid is locked in place or not is arranged on the anti-recoil safety grid, and the door magnetic switch is accessed through an expansion interface of the switching value input module. Furthermore, the expansion interface of the relay output module is connected to the electric control system of the pipeline high-pressure cleaning vehicle in series to carry out scram control. Still further, the power module comprises a 24V direct current power supply unit and a power conversion circuit unit, wherein the 24V direct current power supply is introduced by an electric control system of the pipeline high-voltage cleaning vehicle, and the power conversion circuit converts the 24V power supply into 5V and 3.3V to supply power for other modules of the intelligent protection device. Still further still include the bluetooth module as reserve communication interface, control module adopts the singlechip that has bluetooth interface as main control chip, carries out wireless communication with intelligent terminal through bluetooth module. Still further, still include alarm module, alarm module is audible and visual alarm module, contains LED pilot lamp and bee calling organ, carry out audible and visual alarm and remind when detecting sensor's detected signal is unusual. The utility model has the beneficial effects that: The intelligent protection device is improved on the basis of the traditional anti-recoil safety grid, is matched with an intellig