CN112339637A - Tailboard safety control system and method based on foreign matter monitoring - Google Patents

Tailboard safety control system and method based on foreign matter monitoring Download PDF

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Publication number
CN112339637A
CN112339637A CN202011190567.1A CN202011190567A CN112339637A CN 112339637 A CN112339637 A CN 112339637A CN 202011190567 A CN202011190567 A CN 202011190567A CN 112339637 A CN112339637 A CN 112339637A
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China
Prior art keywords
platform
switch
relay
monitoring
tail plate
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CN202011190567.1A
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CN112339637B (en
Inventor
卢冠锦
雷永承
倪闽睿
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Fulongma Group Co Ltd
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Fujian Longma Environmental Sanitation Equipment Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60PVEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
    • B60P1/00Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
    • B60P1/04Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading with a tipping movement of load-transporting element
    • B60P1/26Means for controlling movement of tailboards or sideboards
    • B60P1/267Controlling degree of tailboard or sideboard movement in dependence upon degree of tipping movement, e.g. by linkage or cam
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60PVEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
    • B60P1/00Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
    • B60P1/43Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading using a loading ramp mounted on the vehicle
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V8/00Prospecting or detecting by optical means
    • G01V8/10Detecting, e.g. by using light barriers

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Emergency Alarm Devices (AREA)

Abstract

The invention discloses a tailboard safety control system and a method based on foreign matter monitoring.A infrared sensor arranged in a coincidence region of the height direction of the bottom of the tail end of a carriage and the front of a platform monitors whether foreign matters exceed the front of the tailboard platform and invade the region in the lifting process of the tailboard platform, if so, the lifting motion of the tailboard platform is automatically cut off, the safety accidents of extruding and shearing the foreign matters in the relative motion of the platform and the rear end of the carriage are avoided, and a warning signal is sent; in addition, the system also monitors the conditions of personnel and foreign matters on the back of the platform by installing a radar or ultrasonic wave or infrared monitoring sensor on the back of the tail board lifting platform, and when the tail board platform is operated to vertically and horizontally overturn, if personnel or foreign matters invade the overturning area of the platform, the system can automatically cut off the overturning motion of the platform, avoid the invasion to the personnel and the foreign matters on the back of the platform and send out warning signals.

Description

Tailboard safety control system and method based on foreign matter monitoring
Technical Field
The invention relates to the technical field of environmental sanitation equipment, in particular to a tailboard safety control system and a tailboard safety control method based on foreign matter monitoring.
Background
At present, the existing vehicle-mounted lifting tail board equipment in China has no safety accident identification and control related configuration, and the operation movement of the tail board cannot be pre-judged and cut off by self before the safety accident occurs, so that the safety accident occurs, and the damage and the injury are caused to articles and personnel.
Disclosure of Invention
The invention aims to provide a safe self-recognition and control system of a tail plate, which is composed of signal acquisition sensors such as infrared and radar. According to the invention, the infrared sensor arranged in the coincident region of the height direction of the bottom of the tail end of the carriage and the front of the platform is used for monitoring whether foreign matters exceed the front of the tail plate platform and invade the region in the lifting process of the tail plate platform, if so, the lifting motion of the tail plate platform is automatically cut off, so that safety accidents of extruding and shearing the foreign matters in the relative motion of the platform and the rear end of the carriage are avoided, and a warning signal is sent out; in addition, the system also monitors the conditions of personnel and foreign matters on the back of the platform by installing a radar or ultrasonic wave or infrared monitoring sensor on the back of the tail board lifting platform, and when the tail board platform is operated to vertically and horizontally overturn, if personnel or foreign matters invade the overturning area of the platform, the system can automatically cut off the overturning motion of the platform, avoid the invasion to the personnel and the foreign matters on the back of the platform and send out warning signals.
The technical scheme adopted by the invention is as follows:
the tail plate safety control system based on foreign matter monitoring comprises a platform monitoring sensor, an infrared sensor, a first relay K1, a second relay K2, a second relay K3, a platform overturning switch, an overturning control electromagnetic valve, a motor and a warning signal generator, wherein the platform overturning switch comprises a pair of linked normally open switch and normally closed switch;
the platform monitoring sensor is connected with a power supply cathode through a control coil of a second relay K2, the infrared sensor is connected with the power supply cathode through a control coil of a first relay K2, the anode of the power supply is respectively connected with the fuse and one end of a main switch of a third relay, the other end of the main switch K3 of the third relay is connected with the power supply cathode through a motor, and the other end of the fuse is respectively connected with one end of a normally open switch K2-1 of the second relay K2, one end of a normally open switch K1-1 of the first relay K1, a tail plate rising switch and one end of a tail plate falling switch; the normally open switch K2-1 of the second relay K2 and the normally open switch K1-1 of the first relay K1 are connected in parallel and then connected with the negative electrode of a power supply through a warning signal generator, the other end of the tail plate rising switch is respectively connected with the normally closed switch K2-2 of the second relay K2, the normally closed switch of the platform overturning switch and one end of the normally open switch of the platform overturning switch, the normally closed switch K2-2 of the second relay K2 is connected with the negative electrode of the power supply through a control coil of a third relay, and the other end of the normally closed switch of the platform overturning switch is connected with the negative electrode of the power supply through a control coil of an S; the other end of a normally open switch of the platform overturning switch is connected with the negative electrode of the power supply through a control coil of the XZ electromagnetic valve; the lifting of the tail plate is controlled by the SJ electromagnetic valve, the tail plate is controlled by the XZ electromagnetic valve to turn over up and down, the other end of the tail plate descending switch is respectively connected with the normally closed switch of the platform turning switch, the normally open switch of the platform turning switch and one end of the normally closed switch K1-2 of the first relay K1, and the other end of the normally closed switch K1-2 of the first relay K1 is connected with the negative electrode of the power supply through the turning control electromagnetic valve.
Further, as a preferred embodiment, at least one platform monitoring sensor is distributed and installed at the back of the platform of the tail board.
Further, as a preferred embodiment, the infrared sensors are installed at the left and right upright positions below the floor of the rear portion of the carriage.
Further, as a preferred embodiment, the tailgate platform can be flipped from the vertical position to the horizontal position or vice versa.
By adopting the technical scheme, whether foreign matters invade into a region which is in front of the platform and is overlapped with the height direction of the bottom of the carriage or not in the ascending motion process of the tail plate lifting platform is monitored by the infrared sensing component standing at the bottom of the rear end of the carriage, and when the foreign matters invade, the ascending motion of the tail plate platform is cut off through collected signals, so that the invasion and damage caused by extrusion and shearing of the foreign matters in the relative motion of the lifting platform and the rear end of the carriage are avoided. The control center signals to a warning device to prompt an operator to check foreign matters and remove operation limitation; at tailboard lift platform back installation radar or ultrasonic wave or infrared monitoring sensor, whether monitoring tailboard platform back has foreign matter, personnel to invade, when operation tailboard platform from perpendicular to horizontally upset operation, the sensor is monitored and is had the foreign matter to cut off the tailboard upset action to signal warning device through the control maincenter and indicate operating personnel to look over, get rid of the foreign matter. The invention effectively avoids safety accidents in the operation process of the tail board and prevents the accidents from damaging and damaging personnel and articles.
Drawings
The invention is described in further detail below with reference to the accompanying drawings and the detailed description;
FIG. 1 is a schematic circuit diagram of a tailboard safety control system based on foreign object monitoring according to the present invention;
FIG. 2 is a schematic diagram of the positions of the components of the tailboard safety control system based on foreign object monitoring according to the present invention;
FIG. 3 is a second schematic diagram of the device position of the tailboard safety control system based on foreign object monitoring according to the present invention;
respective reference symbols in the drawings: 11 cars, 12 tail plate platforms, 21 platform monitoring sensors, 22 infrared sensors, 23 second relays K2, 24 tail plate lifting buttons, 25 first relays K1, 26 overturn control electromagnetic valves, 27 platform overturn buttons, 28 motors and 29 warning signal generators.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.
As shown in one of fig. 1 to 3, the invention discloses a tailboard safety control system based on foreign matter monitoring, which comprises a platform monitoring sensor 21, an infrared sensor, a first relay K1, a second relay K2, a second relay K3, a platform overturning switch, an overturning control electromagnetic valve, a motor and a warning signal generator, wherein the platform overturning switch comprises a pair of linked normally open switch and normally closed switch, the platform monitoring sensor 21 is used for monitoring whether foreign matter or personnel invade at the back of the tailboard platform, and the infrared sensor is used for monitoring whether foreign matter or personnel invade to the vertical direction H of the coincidence region between the height direction of the bottom of the tail end of a carriage and the front of the platform;
the platform monitoring sensor 21 is connected with the negative pole of a power supply through a control coil of a second relay K2, the infrared sensor is connected with the negative pole of the power supply through a control coil of a first relay K2, the positive pole of the power supply is respectively connected with the fuse and one end of a main switch of a third relay, the other end of the main switch K3 of the third relay is connected with the negative pole of the power supply through a motor,
the other end of the fuse is respectively connected with one end of a normally open switch K2-1 of a second relay K2, one end of a normally open switch K1-1 of a first relay K1, one end of a tail plate rising switch and one end of a tail plate falling switch;
the normally open switch K2-1 of the second relay K2 and the normally open switch K1-1 of the first relay K1 are connected in parallel and then are connected with the negative pole of a power supply through a warning signal generator,
the other end of the tail plate rising switch is respectively connected with one end of a normally closed switch K2-2 of a second relay K2, a normally closed switch of the platform overturning switch and one end of a normally open switch of the platform overturning switch, the normally closed switch K2-2 of the second relay K2 is connected with the negative electrode of the power supply through a control coil of a third relay, and the other end of the normally closed switch of the platform overturning switch is connected with the negative electrode of the power supply through a control coil of an SJ electromagnetic valve; the other end of a normally open switch of the platform overturning switch is connected with the negative electrode of the power supply through a control coil of the XZ electromagnetic valve; the SJ electromagnetic valve controls the lifting of the tail plate, and the XZ electromagnetic valve controls the up-and-down turning of the tail plate.
The other end of the tail plate descending switch is respectively connected with a normally closed switch of the platform overturning switch, a normally open switch of the platform overturning switch and one end of a normally closed switch K1-2 of the first relay K1, and the other end of the normally closed switch K1-2 of the first relay K1 is connected with the negative electrode of the power supply through an overturning control electromagnetic valve.
Further, as a preferred embodiment, at least one platform monitoring sensor 21 is distributed and installed on the back of the platform of the tail board.
Further, as a preferred embodiment, the infrared sensors are installed at the left and right upright positions below the floor of the rear portion of the carriage.
Further, as a preferred embodiment, the tailgate platform can be flipped from the vertical position to the horizontal position or vice versa.
Specifically, the lifting tail plate device of the invention is mainly installed at the rear part of the carriage 11, and the operation of the lifting tail plate device mainly comprises the following steps: firstly, the tail plate platform 12 is lifted vertically to the carriage 11 to a position B or is descended vertically to the position A from the position B; the tailgate platform 12 is flipped from the vertical position C to the horizontal position B or flipped from the horizontal position B to the vertical position C. The platform monitoring sensors 21 for monitoring whether foreign matters and personnel invade on the back of the tail board platform 12 are arranged on the back of the tail board platform 12 in a 1 or more combined distribution mode. An infrared sensor 22 for monitoring whether foreign matters or personnel invade the height direction of the bottom of the carriage tail end and the vertical direction of the overlapping area in front of the platform is H is arranged at the left and right upright post positions below the bottom plate at the rear part of the carriage 11. The electric control system for controlling the system mainly comprises a platform monitoring sensor 21, an infrared sensor 22, a relay K2 serial number 23, a tail plate lifting button 24, a relay K1 serial number 25, a turnover control electromagnetic valve 26, a platform turnover button 27, a motor 28 and a warning signal generator 29;
the working process is as follows: firstly, when an operator operates a lifting button of the tail plate 24, the tail plate platform 12 is lifted to a position B in the vertical direction relative to the ground position A, when foreign matters or soles of people and the like exceed the front end face of the tail plate platform 12 and invade into a superposed region H in the height direction of the bottom of the tail end of the carriage and in front of the platform in the lifting process, the lifting of the tail plate platform 12 is monitored by an infrared sensor 22 arranged below a bottom plate at the rear part of the carriage 11, signals are fed back to an electric control system of the invention, the operation of a motor 28 is cut off through signal processing and output signals, the tail plate platform 12 is automatically stopped to continuously lift, and the foreign matters or the soles of people exceeding the front end face of the tail plate platform 12 are prevented from being sheared and extruded to cause. When the tail board platform 12 is stopped to rise continuously, a signal is sent to the warning signal generator 29, and the warning signal generator 29 sends a warning signal to warn an operator. Secondly, when an operator operates the platform turning button 27, the tail board platform 12 turns from the vertical state position C to the horizontal state position B, the platform monitoring sensor 21 monitors whether personnel or foreign matters exist in the back area of the tail board platform 12, when the platform monitoring sensor 21 monitors that the personnel or the foreign matters exist, the platform monitoring sensor signals the electronic control system, the platform monitoring sensor performs signal processing and outputs signals to cut off the turning control electromagnetic valve 26, the turning action of the tail board platform 12 is stopped, signals are sent to the warning signal generator 29, and the warning signal generator 29 sends out warning signals to warn the operator to observe the back of the tail board platform 12 and eliminate potential safety hazards.
By adopting the technical scheme, whether foreign matters invade into a region which is in front of the platform and is overlapped with the height direction of the bottom of the carriage or not in the ascending motion process of the tail plate lifting platform is monitored by the infrared sensing component standing at the bottom of the rear end of the carriage, and when the foreign matters invade, the ascending motion of the tail plate platform is cut off through collected signals, so that the invasion and damage caused by extrusion and shearing of the foreign matters in the relative motion of the lifting platform and the rear end of the carriage are avoided. The control center signals to a warning device to prompt an operator to check foreign matters and remove operation limitation; at tailboard lift platform back installation radar or ultrasonic wave or infrared monitoring sensor, whether monitoring tailboard platform back has foreign matter, personnel to invade, when operation tailboard platform from perpendicular to horizontally upset operation, the sensor is monitored and is had the foreign matter to cut off the tailboard upset action to signal warning device through the control maincenter and indicate operating personnel to look over, get rid of the foreign matter. According to the tailboard safety control system formed by the monitoring sensors such as the infrared sensor and the radar sensor, whether foreign matters invade the operation area in the ascending and overturning movement processes of the tailboard is monitored through the sensors, and the movement of the tailboard device is automatically cut off and controlled through the system monitoring and identifying system, so that safety accidents are effectively avoided, and signal warning is sent to operators. The invention effectively avoids safety accidents in the operation process of the tail board and prevents the accidents from damaging and damaging personnel and articles.
It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. The embodiments and features of the embodiments in the present application may be combined with each other without conflict. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the detailed description of the embodiments of the present application is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Claims (5)

1. Tailboard safety control system based on foreign matter monitoring, its characterized in that: the platform turnover switch comprises a pair of linked normally open switches and normally closed switches, the platform monitoring sensor is used for monitoring whether foreign matters or personnel invade the back of the platform of the tail plate, and the infrared sensor is used for monitoring whether foreign matters or personnel invade the height direction of the bottom of the tail end of the carriage and the vertical direction H of a superposed area in front of the platform;
the platform monitoring sensor is connected with a power supply cathode through a control coil of a second relay K2, the infrared sensor is connected with the power supply cathode through a control coil of a first relay K2, the anode of the power supply is respectively connected with the fuse and one end of a main switch of a third relay, the other end of the main switch K3 of the third relay is connected with the power supply cathode through a motor, and the other end of the fuse is respectively connected with one end of a normally open switch K2-1 of the second relay K2, one end of a normally open switch K1-1 of the first relay K1, a tail plate rising switch and one end of a tail plate falling switch; the normally open switch K2-1 of the second relay K2 and the normally open switch K1-1 of the first relay K1 are connected in parallel and then connected with the negative electrode of a power supply through a warning signal generator, the other end of the tail plate rising switch is respectively connected with the normally closed switch K2-2 of the second relay K2, the normally closed switch of the platform overturning switch and one end of the normally open switch of the platform overturning switch, the normally closed switch K2-2 of the second relay K2 is connected with the negative electrode of the power supply through a control coil of a third relay, and the other end of the normally closed switch of the platform overturning switch is connected with the negative electrode of the power supply through a control coil of an S; the other end of a normally open switch of the platform overturning switch is connected with the negative electrode of the power supply through a control coil of the XZ electromagnetic valve; the lifting of the tail plate is controlled by the SJ electromagnetic valve, the tail plate is controlled by the XZ electromagnetic valve to turn over up and down, the other end of the tail plate descending switch is respectively connected with the normally closed switch of the platform turning switch, the normally open switch of the platform turning switch and one end of the normally closed switch K1-2 of the first relay K1, and the other end of the normally closed switch K1-2 of the first relay K1 is connected with the negative electrode of the power supply through the turning control electromagnetic valve.
2. The foreign object monitoring-based tailgate safety control system, according to claim 1, wherein: at least one platform monitoring sensor is distributed and installed on the back of the platform of the tail plate.
3. The foreign object monitoring-based tailgate safety control system, according to claim 1, wherein: the infrared sensor is arranged at the left and right upright posts below the bottom plate at the rear part of the carriage.
4. The foreign object monitoring-based tailgate safety control system, according to claim 1, wherein: the tailgate platform can be flipped from the vertical position to the horizontal position or vice versa.
5. The tailboard safety control method based on foreign matter monitoring adopts the tailboard safety control system based on foreign matter monitoring as claimed in claim 1, and is characterized in that: the method comprises a tail plate lifting control part and a platform overturning part;
a tailgate-lift control section:
step 1-1, when an operator operates a tail plate to ascend;
step 1-2, monitoring a superposed area H between the height direction of the bottom of the tail end of the invaded carriage and the front of a platform by an infrared sensor;
step 1-3, when the infrared sensor monitors intrusion, the system outputs a signal to cut off the motor to operate and automatically stop the tail plate platform to continuously rise, and simultaneously triggers a warning signal generator to send a warning signal to warn an operator;
the platform overturning part:
step 2-1, when the operating platform is turned over by an operator;
2-3, monitoring whether personnel or foreign matters exist in the back area of the platform of the tail plate by a platform monitoring sensor;
and 2-3, when the platform monitoring sensor monitors that personnel or foreign matters exist, the system outputs a signal to cut off the overturning control electromagnetic valve to stop the overturning action of the tail plate platform, and triggers the warning signal generator to send a warning signal to warn an operator.
CN202011190567.1A 2020-10-30 2020-10-30 Tail plate safety control system and method based on foreign matter monitoring Active CN112339637B (en)

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CN202011190567.1A CN112339637B (en) 2020-10-30 2020-10-30 Tail plate safety control system and method based on foreign matter monitoring

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CN112339637B CN112339637B (en) 2024-05-07

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19801915A1 (en) * 1997-01-22 1998-07-23 Hiss Eckart Sensor system to ensure vehicle reversing safety esp. for refuse collection vehicle
JP2016007974A (en) * 2014-06-25 2016-01-18 日本フルハーフ株式会社 Safety device of falling prevention stopper of tail gate
TWM545718U (en) * 2016-07-28 2017-07-21 Hong-Wei Liu Monitoring system for lifting/descending of back door
CN109484784A (en) * 2018-12-29 2019-03-19 福建龙马环卫装备股份有限公司 A kind of Lifting tail gate decrease speed control system
CN213534522U (en) * 2020-10-30 2021-06-25 福建龙马环卫装备股份有限公司 Tailboard safety control system based on foreign matter monitoring

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19801915A1 (en) * 1997-01-22 1998-07-23 Hiss Eckart Sensor system to ensure vehicle reversing safety esp. for refuse collection vehicle
JP2016007974A (en) * 2014-06-25 2016-01-18 日本フルハーフ株式会社 Safety device of falling prevention stopper of tail gate
TWM545718U (en) * 2016-07-28 2017-07-21 Hong-Wei Liu Monitoring system for lifting/descending of back door
CN109484784A (en) * 2018-12-29 2019-03-19 福建龙马环卫装备股份有限公司 A kind of Lifting tail gate decrease speed control system
CN213534522U (en) * 2020-10-30 2021-06-25 福建龙马环卫装备股份有限公司 Tailboard safety control system based on foreign matter monitoring

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