CN221804557U - Fault detection device of platform controller - Google Patents
Fault detection device of platform controller Download PDFInfo
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- CN221804557U CN221804557U CN202420238007.6U CN202420238007U CN221804557U CN 221804557 U CN221804557 U CN 221804557U CN 202420238007 U CN202420238007 U CN 202420238007U CN 221804557 U CN221804557 U CN 221804557U
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Abstract
The utility model provides a fault detection device of a platform controller, which relates to the technical field of fault detection and comprises: the programmable logic controller is connected with a plurality of status indicator lamps; the controller connector is connected with the programmable logic controller, and the platform controller to be detected is connected with the controller connector; the sensor connector is connected with the programmable logic controller, and an external sensor connector is inserted on the sensor connector; the man-machine interaction panel is connected with the programmable logic controller; the shell, the programmable logic controller is integrated in the inside of shell, and a plurality of trompils have been seted up on the shell surface, and each status indicator lamp, controller connector, sensor connector, man-machine interaction panel expose from corresponding trompil. The visual fault detection device has the beneficial effects that the visual fault detection device for the status indicator lamp is used for detecting the platform controller, the detection result is clear at a glance, the manpower and the time are saved, and the sensor connector is provided for being connected with other sensors for auxiliary detection.
Description
Technical Field
The utility model relates to the technical field of fault detection, in particular to a fault detection device of a platform controller.
Background
The scissor type aerial platform (aerial platform) includes: mechanical walking control, platform lifting control, steering control, control mode conversion, horn control, high-low speed conversion, stroboscopic lamp control and the like. The control of all actions of the scissor type aerial work platform is composed of a main controller (Electronic Control Unit, ECU) and a platform controller (Platform Control Unit, PCU) (shown in figure 1).
The ECU is arranged on the chassis and serves as a control center, and the control of the whole vehicle electrical system is coordinated through processing different analog quantities, switching values, fault code display and functional parameter adjustment. The ECU drives the pump station motor or the walking motor and other units through a driving unit (a motor controller/a walking controller) to operate the aerial working platform to complete all functional actions.
The control mode of the scissor type aerial work platform is divided into: platform handling and chassis handling. An operator can control actions such as walking, steering, lifting and descending of the scissor type aerial work platform through the platform controller. The chassis control is performed through the chassis operation panel as an auxiliary operation mode, and can operate lifting and descending actions of the scissor type aerial work platform. The chassis is provided with an emergency brake release and an emergency descent zip, and the brake release and the platform descent actions are completed under special conditions.
The platform controller on the aerial work platform is a component for inputting control signals, equipment states and faults are displayed, and an operator can control actions such as walking, steering, lifting, descending, emergency stopping and the like of the scissor aerial work platform through a handle, a button, emergency stopping and the like on the platform. The state (electric quantity and fault code) information of the whole vehicle can be obtained through a display screen on the platform controller. However, if the corresponding platform controller can work normally, no equipment can be detected at present, so that when the operation of the aerial working platform is inflexible, a great deal of time is often required to check whether the aerial working platform breaks down or the platform controller breaks down and can not correctly send out a control instruction, and more time and labor cost are consumed.
Disclosure of utility model
Aiming at the problems existing in the prior art, the utility model provides a fault detection device of a platform controller, which comprises:
The programmable logic controller is connected with a plurality of status indicator lamps;
the controller connector is connected with the programmable logic controller, and the platform controller to be detected is connected with the controller connector;
the sensor connector is connected with the programmable logic controller, and an external sensor is connected with the sensor connector in a plugging mode;
the man-machine interaction panel is connected with the programmable logic controller;
The programmable logic controller is integrated in the shell, a plurality of openings are formed in the surface of the shell, and each status indicator lamp, the controller connector, the sensor connector and the man-machine interaction panel are exposed out of the corresponding opening.
Preferably, the platform controller to be detected includes an operation handle, and a plurality of operation output ends of the operation handle are respectively and correspondingly connected with a plurality of handle signal input pins of the programmable logic controller when the platform controller to be detected is connected with the controller connector in a plugging manner.
Preferably, the platform controller to be detected includes an operation panel, the operation panel includes a test start button and a test end button, when the platform controller to be detected is connected with the controller connector, a test start pin of the programmable logic controller is connected with the test start button, and a test end pin of the programmable logic controller is connected with the test end button.
Preferably, the platform controller to be detected comprises an operation panel, and the operation panel further comprises a power control switch, and when the platform controller to be detected is connected with the controller connector in a plugging manner, the power control switch is connected with a key switch input pin of the programmable logic controller.
Preferably, the platform controller to be detected further comprises a micro control unit, the micro control unit is respectively connected with the battery pack and the controlled motor in the platform controller to be detected, and when the platform controller to be detected is connected with the controller connector, a motor speed output end and a television enabling state end of the micro control unit are respectively correspondingly connected with a motor speed detection pin and a motor enabling state pin of the programmable logic controller.
Preferably, the platform controller to be detected further comprises a voltage and current detection module, a first detection end of the voltage and current detection module is connected with a power supply negative terminal of the micro control unit, and second to fourth detection ends of the voltage and current detection module are connected with a power supply positive terminal of the micro control unit;
The first detection end of the voltage and current detection module is also connected with a grounding pin of the programmable logic controller;
And the first output end to the third output end of the voltage and current detection module are respectively and correspondingly connected with a voltage detection pin, a first current detection pin and a second current detection pin of the programmable logic controller.
Preferably, one end of each status indicator light is connected with a plurality of indicator light output pins of the programmable logic controller in a one-to-one correspondence manner, and the other end of each status indicator light is connected with a grounding pin of the programmable logic controller.
Preferably, the external sensor is connected with the corresponding sensor connector in a plugging manner, and is respectively connected with a plurality of sensor signal receiving pins of the programmable logic controller in a one-to-one correspondence manner.
Preferably, the programmable logic controller further comprises a loudspeaker, wherein one end of the loudspeaker is connected with a loudspeaker pin of the programmable logic controller, and the other end of the loudspeaker is connected with a grounding pin of the programmable logic controller.
Preferably, the device further comprises a buzzer, wherein one end of the buzzer is connected with a buzzing pin of the programmable logic controller, and the other end of the buzzer is connected with a grounding pin of the programmable logic controller.
The technical scheme has the following advantages or beneficial effects: the state indicator lamp arranged on the detection device is used for lighting the corresponding state indicator lamp when the platform controller operates, whether the platform controller outputs an operation instruction is judged through the brightness of the state indicator lamp, the visual fault detection device is provided for detecting the platform controller, and the sensor connector is provided for being connected with other sensors for auxiliary detection, so that the detection result is clear at a glance, and the labor and time are saved.
Drawings
FIG. 1 is a schematic diagram of a control system for an aerial work platform;
FIG. 2 is a schematic diagram of a fault detection device of a platform controller according to a preferred embodiment of the present utility model;
FIG. 3 is a circuit diagram of a platform controller and a fault detection device in accordance with a preferred embodiment of the present utility model.
Detailed Description
The utility model will now be described in detail with reference to the drawings and specific examples. The present utility model is not limited to the embodiment, and other embodiments may fall within the scope of the present utility model as long as they conform to the gist of the present utility model.
In a preferred embodiment of the present utility model, based on the above-mentioned problems existing in the prior art, there is now provided a fault detection device of a platform controller, as shown in fig. 2, comprising:
The programmable logic controller 1 is connected with a plurality of status indicator lamps 2;
The controller connector 3 is connected with the programmable logic controller 1, and the platform controller 10 to be detected is connected with the controller connector 3 in a plugging manner;
A sensor connector 4 connected to the programmable logic controller 1, and an external sensor 20 is connected to the sensor connector 4;
the man-machine interaction panel 5 is connected with the programmable logic controller 1;
the casing 6, the programmable logic controller 1 is integrated in the inside of the casing 6, and a plurality of holes 61 are formed in the surface of the casing 1, and each status indicator lamp 2, the controller connector 3, the sensor connector 4 and the man-machine interaction panel 5 are exposed from the corresponding holes 61.
In a preferred embodiment of the present utility model, as shown in fig. 3, the platform controller to be detected 10 includes an operation handle 110, where the operation handle includes a plurality of operation output ends, and when the platform controller to be detected is connected to the controller connector, each operation output end is correspondingly connected to a plurality of handle signal input pins of the programmable logic controller.
In a preferred embodiment of the present utility model, one end of each status indicator light is connected to a plurality of output pins of the programmable logic controller in a one-to-one correspondence manner, and the other end of each status indicator light is connected to a ground pin of the programmable logic controller.
Specifically, in this embodiment, when the platform controller performs the operations such as ascending, descending, advancing, retreating, turning left, turning right, high-speed, low-speed, and horn, the corresponding operation output end of the operation handle (the 1-6 pins of the operation handle are respectively connected with the I0.1-I1.0 pins of the PLC) outputs the control command to the detection device, and at the same time, the corresponding status indicator lamp (the advancing, retreating, turning left, turning right, ascending and descending command input by the 1-6 pins of the operation handle, and the advancing, retreating, turning left, turning right, ascending and descending status indicator lamp connected with the Q0.6-Q1.4 pins of the PLC) will be turned on. By observing whether the corresponding status indicator lamps (forward, backward, etc.) in fig. 2 are normally turned on, whether the motion functions of the platform controller such as ascending, descending, forward, backward, left-turn, right-turn, high-speed, low-speed, horn, etc. are normal is judged.
In a preferred embodiment of the present utility model, the platform controller to be tested includes an operation panel 120, the operation panel 120 includes a test start button S1 and a test end button S2, and when the platform controller to be tested 10 is connected to the controller connector 4 in a plugging manner, a test start pin of the programmable logic controller 1 is connected to the test start button S1, and a test end pin of the programmable logic controller 1 is connected to the test end button S2.
In a preferred embodiment of the present utility model, the platform controller 10 to be detected includes an operation panel 120, and the operation panel 120 further includes power control switches B and B1, where the power control switches B and B1 are connected to key switch input pins of the programmable logic controller 1 when the platform controller 10 to be detected is connected to the controller connector 4 in a plugging manner.
Specifically, when the platform controller 10 to be detected is connected with the controller connector 4 in a plugging manner, the platform controller 10 to be detected is started through a power control switch, and the detection device knows the starting or closing state of the platform controller 10 to be detected according to the input pin of the key switch;
Because the device is added to detect the platform controller, the platform controller is additionally provided with a test start button S1 and a test end button S2, and the start and the end of the test process of the platform controller are controlled by toggling the test start button S1 or the test end button S2.
In a preferred embodiment of the present utility model, the platform controller 10 to be detected further includes a micro-control unit 130 respectively connected to the battery pack and the controlled motor M in the platform controller 10 to be detected, and when the platform controller 10 to be detected is connected to the controller connector 4 in a plugging manner, the motor speed output end and the television enable state end of the micro-control unit 130 are respectively connected to the motor speed detection pin and the motor enable state pin of the programmable logic controller.
In a preferred embodiment of the present utility model, the platform controller 10 to be detected further includes a voltage and current detection module 140, a first detection end of the voltage and current detection module 140 is connected to a power negative terminal of the micro control unit 130, and second to fourth detection ends of the voltage and current detection module 140 are connected to a power positive terminal of the micro control unit;
the first detection end of the voltage and current detection module 140 is also connected with the ground pin GND of the programmable logic controller 1;
The first to third output ends of the voltage and current detection module 140 are respectively and correspondingly connected to the voltage detection pin, the first current detection pin and the second current detection pin of the programmable logic controller 1.
Specifically, in this embodiment, the micro control unit 130 and the current detection module 140 in the platform controller 10 to be detected may be connected to view states such as current, voltage, motor working state, motor rotation speed, etc., and relevant information may be displayed on the man-machine interaction panel 5 to realize state monitoring of the motor of the aerial work platform.
In the preferred embodiment of the present utility model, the external sensor 20 is connected to the corresponding sensor connector 3 in a plugging manner, so as to be respectively connected to a plurality of sensor signal receiving pins (I1.1-I1.6 pins on the PLC in fig. 3) of the programmable logic controller 1 in a one-to-one correspondence manner.
Specifically, in this embodiment, the detection device in fig. 2 only shows two sensor connectors 3, and more sensors can be connected to implement more fault detection by setting the sensor connectors 3 according to actual situations, as shown in fig. 3, a plurality of sensors such as a speed sensor (which can be set on the detection aerial work platform to detect the speed during movement), a pressure sensor (which can be set on the aerial work platform to detect the pressure of a critical position), an angle sensor (which can be set on the aerial work platform to detect whether the inclination is detected), a flowmeter, a temperature transmitter (which can be set on the aerial work platform to monitor the working temperature in real time at the positions of a motor, an electronic circuit, etc.) are connected, and related information is displayed on the human-computer interaction panel 5.
In a preferred embodiment of the present utility model, the electronic device further comprises a speaker, wherein one end of the speaker is connected to a speaker pin of the programmable logic controller, and the other end of the speaker is connected to a ground pin of the programmable logic controller.
In a preferred embodiment of the utility model, the device further comprises a buzzer, wherein one end of the buzzer is connected with a buzzing pin of the programmable logic controller, and the other end of the buzzer is connected with a grounding pin of the programmable logic controller.
Specifically, in this embodiment, still be provided with loudspeaker and bee calling organ, loudspeaker can be used for sounding at the signal of whistling that the receiving platform controller sent, indicates that the platform controller can normally send the loudspeaker instruction, and one of them optional effect of bee calling organ can be when the platform controller trouble send out audible prompt staff.
In fig. 3, the platform controller further includes components such as a battery pack and a scram switch, and the platform controller is not a main utility model point of the present utility model in the prior art, and a specific connection circuit structure of each component in the platform controller is shown in the drawing, which is not described in detail.
The foregoing is merely illustrative of the preferred embodiments of the present utility model and is not intended to limit the embodiments and scope of the present utility model, and it should be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations herein, which should be included in the scope of the present utility model.
Claims (10)
1. A fault detection device for a platform controller, comprising:
The programmable logic controller is connected with a plurality of status indicator lamps;
the controller connector is connected with the programmable logic controller, and the platform controller to be detected is connected with the controller connector;
the sensor connector is connected with the programmable logic controller, and an external sensor is connected with the sensor connector in a plugging mode;
the man-machine interaction panel is connected with the programmable logic controller;
The programmable logic controller is integrated in the shell, a plurality of openings are formed in the surface of the shell, and each status indicator lamp, the controller connector, the sensor connector and the man-machine interaction panel are exposed out of the corresponding opening.
2. The fault detection device of claim 1, wherein the platform controller to be detected comprises an operation handle, the operation handle comprises a plurality of operation output ends, and each operation output end is correspondingly connected with a plurality of handle signal input pins of the programmable logic controller when the platform controller to be detected is connected with the controller connector.
3. The fault detection device of claim 1, wherein the platform controller to be detected comprises an operation panel, the operation panel comprises a test start button and a test end button, a test start pin of the programmable logic controller is connected to the test start button, and a test end pin of the programmable logic controller is connected to the test end button when the platform controller to be detected is connected to the controller connector.
4. The fault detection device of claim 1, wherein the platform controller to be detected comprises an operation panel, and the operation panel further comprises a power control switch, wherein the power control switch is connected with a key switch input pin of the programmable logic controller when the platform controller to be detected is connected with the controller connector.
5. The fault detection device of claim 4, wherein the platform controller to be detected further comprises a micro control unit respectively connected to the battery pack and the controlled motor in the platform controller to be detected, and when the platform controller to be detected is connected to the controller connector, a motor speed output end and a motor enable state end of the micro control unit are respectively connected to a motor speed detection pin and a motor enable state pin of the programmable logic controller.
6. The fault detection device of claim 5, wherein the platform controller to be detected further comprises a voltage and current detection module, a first detection end of the voltage and current detection module is connected to a power negative terminal of the micro control unit, and second to fourth detection ends of the voltage and current detection module are connected to a power positive terminal of the micro control unit;
The first detection end of the voltage and current detection module is also connected with a grounding pin of the programmable logic controller;
And the first output end to the third output end of the voltage and current detection module are respectively and correspondingly connected with a voltage detection pin, a first current detection pin and a second current detection pin of the programmable logic controller.
7. The fault detection device according to claim 1, wherein one end of each status indicator light is connected to a plurality of indicator light output pins of the programmable logic controller in a one-to-one correspondence manner, and the other end of each status indicator light is connected to a ground pin of the programmable logic controller.
8. The fault detection device of claim 1, wherein an external sensor is connected to a corresponding sensor connector socket in one-to-one correspondence with each of a plurality of sensor signal receiving pins of the programmable logic controller.
9. The fault detection device of claim 1, further comprising a horn, one end of the horn being connected to a horn pin of the programmable logic controller, the other end being connected to a ground pin of the programmable logic controller.
10. The fault detection device of claim 1, further comprising a buzzer, wherein one end of the buzzer is connected to a buzzer pin of the programmable logic controller, and the other end is connected to a ground pin of the programmable logic controller.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202420238007.6U CN221804557U (en) | 2024-01-31 | 2024-01-31 | Fault detection device of platform controller |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202420238007.6U CN221804557U (en) | 2024-01-31 | 2024-01-31 | Fault detection device of platform controller |
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| CN221804557U true CN221804557U (en) | 2024-10-01 |
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| CN202420238007.6U Active CN221804557U (en) | 2024-01-31 | 2024-01-31 | Fault detection device of platform controller |
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