CN220491214U - Non-hard-wire connection control system of arm head alarm lamp - Google Patents
Non-hard-wire connection control system of arm head alarm lamp Download PDFInfo
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- CN220491214U CN220491214U CN202321714332.7U CN202321714332U CN220491214U CN 220491214 U CN220491214 U CN 220491214U CN 202321714332 U CN202321714332 U CN 202321714332U CN 220491214 U CN220491214 U CN 220491214U
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- arm head
- control unit
- angle sensor
- length angle
- display
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Abstract
The utility model relates to the technical field of engineering machinery and discloses a non-hard-wire connection control system of an arm head alarm lamp, which comprises a switch, a control unit, a length angle sensor and the arm head alarm lamp, wherein the switch is connected with the control unit; the length angle sensor is electrically connected with the arm head alarm lamp and provides power for the arm head alarm lamp; the switch is in communication connection with the control unit, the control unit is in communication connection with the length angle sensor, the switch is used for sending a signal for turning on and turning off the arm head warning lamp to the control unit, the control unit receives the signal for turning on and turning off the arm head warning lamp and transmits the signal to the length angle sensor, and the length angle sensor cuts off power supply or provides power supply for the arm head warning lamp according to the received signal. The beneficial effects of the utility model are as follows: the bus control is adopted, so that fewer electric parts are involved, the control path is simpler, the reliability is higher, and the problems of complex control path and relatively lower reliability of the existing hard wire connection control mode are solved.
Description
Technical Field
The utility model relates to the technical field of engineering machinery, in particular to a non-hard-wire connection control system of an arm head warning lamp, and particularly relates to a non-hard-wire connection control system of an crane arm head warning lamp.
Background
CAN: the controller area network (Controller Area Network) is an ISO internationally standardized serial communication protocol for taking care of digital communication between various devices and information transfer between various devices and control systems. The method has the advantages of high performance, high reliability, instantaneity and the like.
A display: i.e., computer Screen/Display (I/O) devices for computers, a Display tool for displaying certain electronic files on a Screen through a specific transmission device. In small tonnage cranes, the display is often integrated with the controller, called a display control integrated machine.
Length angle sensor: the device is arranged in the middle of a basic arm of the crane arm, and is a measuring device for measuring the telescopic length and the luffing angle of the crane arm. The inside comprises modules such as CAN board, length measurement unit, and the CAN board CAN receive, transmit CAN signal.
And (3) a controller: the ECU (Electronic Control Unit) electronic control unit for getting on the car consists of a microprocessor, a memory, an input/output interface (I/O), an analog-to-digital converter (A/D), a shaping and driving large-scale integrated circuit and the like. And the control device is responsible for receiving signals of the sensors, performing operation, converting the operation result into control signals and controlling the work of the controlled object.
Force limiter: namely, the moment limiter belongs to one type of controllers, and can receive various signals, perform operation processing, and convert an operation result into a control signal to control the work of a controlled object. Mainly processing information on the aspect of job safety.
Arm head warning lamp: for marking the crane jib head height during night operations, preventing safety accidents.
The arm head warning lamp is a part of a crane safety system and is used for indicating the height position of the arm head of the crane during night work so as to prevent safety accidents. For a small-tonnage crane in the current market, the arm head warning lamp is mostly controlled through a hard wire, and the control method is to enable current to flow into the arm head warning lamp after passing through an operating room wire harness, a turntable part wire harness, a length angle sensor and a warning lamp cable by pressing a rocker switch, so that the opening of the arm head warning lamp is realized. The control method needs a plurality of strands of wiring harnesses to be connected together, is complex in control and low in reliability, can directly influence the safety of night operation after faults occur, and is relatively high in cost due to the fact that more electric components are needed for control.
As shown in fig. 1, an arm head warning lamp rocker switch is arranged in the control room and is directly connected to the arm head warning lamp through a hard wire. When the lifting arm is in operation, the rocker switch is pressed, and a power signal is supplied to the arm head warning lamp after passing through the left controller wire harness and the control board wire harness in the control room, the turntable wire harness on the turntable and the lifting arm wire harness on the lifting arm. In this process, the specific relationship between the parts is: the safety power supply is used for a total power supply in the whole control system and is used for supplying power for the arm head warning lamp; the rocker switch is used as a switch and used for controlling the on and off of the arm head alarm lamp; the control room wire harness plays a role in connection in the whole control process; the turntable wire harness plays a role in connection in the whole control process; the boom harness plays a role in connection throughout the control process. The control method adopts a rocker switch and controls the arm head warning lamp through a plurality of sections of hard wires. The signal reaches the arm head alarm lamp after passing through the alarm lamp cable after operating the indoor wire harness, the turntable wire harness and the crane arm wire harness by the rocker switch. The control path is complex, the reliability is relatively low, the required electrical components for control are more, and the cost is relatively high.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a non-hard-wire connection control system of an arm head alarm lamp, which controls the on and off of the arm head alarm lamp through CAN communication of a display and a length angle sensor, and the control path is simpler and more reliable.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a non-hard-wire connection control system of an arm head alarm lamp comprises a switch, a control unit, a length angle sensor and the arm head alarm lamp; the length angle sensor is electrically connected with the arm head alarm lamp and provides power for the arm head alarm lamp; the switch is in communication connection with the control unit, the control unit is in communication connection with the length angle sensor, the switch is used for sending a signal for turning on and turning off the arm head warning lamp to the control unit, the control unit receives the signal for turning on and turning off the arm head warning lamp and transmits the signal to the length angle sensor, and the length angle sensor cuts off power supply or provides power supply for the arm head warning lamp according to the received signal.
Further, the control system of the utility model also comprises a display unit, wherein the switch is a virtual key switch, the built-in and display unit is in communication connection with the control unit and is used for displaying and touching feedback of the virtual key and transmitting a key instruction of an operator to the control unit.
Further, the display unit and the control unit are in communication connection through a CAN bus.
Further, the control unit is in communication connection with the length angle sensor through a CAN bus.
Further, when the crane gets on the car and is controlled by the display and control integrated machine, the display and control integrated machine comprises a display unit and a control unit.
Further, when the crane gets on the vehicle and is controlled by the force limiter, the display unit is a display, and the control unit is the force limiter.
Further, when the crane is driven by the force limiter and the controller, the display unit is a display, the control unit is the force limiter and the controller, the display is in communication connection with the controller, the controller is in communication connection with the force limiter, and the force limiter is in communication connection with the length angle sensor.
Further, the control unit transmits signals to the CAN board inside the length angle sensor, and the CAN board inside the length angle sensor provides power for the arm head warning lamp.
Further, the length angle sensor is arranged on a crane boom of the crane, and the boom head warning lamp is arranged on the boom head of the crane.
Compared with the prior art, the utility model provides a non-hard wire connection control system of an arm head warning lamp, which has the following beneficial effects:
(1) The control system controls the on and off of the alarm lamp through the CAN communication of the length angle sensor, adopts bus control, and has the advantages of fewer related electric parts, simpler control path and higher reliability, and solves the problems of complex control path and relatively lower reliability of the existing hard wire connection control mode.
(2) The control system is controlled by the hard wire instead of the bus, reduces the electric components required by control, CAN directly utilize the existing CAN network adjustment program, effectively reduces the electric cost of the whole vehicle, and solves the problems that the existing hard wire connection control mode involves more electric components and has relatively high cost.
Drawings
FIG. 1 is a control schematic diagram of an arm head warning lamp in the prior art;
FIG. 2 is a control schematic diagram of an arm head warning lamp in a display and control integrated crane;
FIG. 3 is a control schematic diagram of a boom head warning lamp in a small tonnage (tonnage less than 80 tons) crane (non-display-control integrated crane);
fig. 4 is a control schematic diagram of a boom head warning lamp in a large tonnage (tonnage is greater than 80 tons) crane.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of exemplary embodiments may also include different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "upper," "lower," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the protection of the present utility model.
Because of different control structures of the boarding electrical systems of the cranes with different tonnages, the small-tonnage crane is controlled by using the display and control integrated machine, and the large-tonnage crane simultaneously uses the force limiter and the controller. Therefore, for different control structures, the embodiment of the non-hard-wired control system of the present utility model is as follows:
example 1
When the car is on the bus and is controlled by the display control integrated machine, the display control integrated machine comprises a display unit and a control unit, a virtual key used for controlling the arm head alarm lamp is arranged in a display of the display control integrated machine, the virtual key is a switch, the display control integrated machine is connected with an inner CAN board of the length angle sensor through a CAN bus, and after the virtual key of the arm head alarm lamp is pressed, CAN signals are transmitted to the inner CAN board of the length angle sensor by the display control integrated machine. The CAN board power is supplied by a CAN network power supply, and the CAN board outputs power to the arm head warning lamp after receiving signals, and the arm head warning lamp works. The concrete implementation principle is shown in figure 2.
The display control integrated machine is mainly responsible for displaying virtual keys and transmitting touch feedback and bus information.
The length angle sensor is mainly responsible for receiving CAN signals transmitted by the display and control integrated machine and provides power for the arm head warning lamp after receiving the signals.
Example 2
When the crane is controlled by the force limiter, namely the crane is a small tonnage (tonnage is less than 80 tons), the display unit is a display, the control unit is the force limiter, a virtual key for controlling the arm head warning lamp is arranged in the display, and the virtual key is a switch. The display is communicated with the force limiter and the length angle sensor through the CAN bus. After the virtual key is pressed, the instruction is transmitted to the force limiter through the CAN bus, and the force limiter transmits the instruction to the CAN board inside the length angle sensor through the CAN bus. After the CAN board receives the signal, power is supplied to the arm head alarm lamp, and the arm head alarm lamp starts to work. The concrete implementation principle is shown in figure 3.
The display is mainly responsible for displaying virtual keys and touch feedback, and transmits instructions to the force limiter through the CAN bus.
The force limiter is mainly responsible for information transmission, and the information of the virtual keys of the display is transmitted to the length angle sensor through the CAN bus after being received.
The length angle sensor is mainly responsible for receiving the CAN signal transmitted by the force limiter, and provides power for the arm head warning lamp after receiving the instruction.
Example 3
When the crane is controlled by the force limiter and the controller, namely the crane is a large-tonnage (tonnage is more than 80 tons), the display unit is a display, the control unit is the force limiter and the controller, and a virtual key for controlling the arm head warning lamp is arranged in the display, and the virtual key is a switch. The display is connected with the controller, the force limiter and the length angle sensor in sequence through the CAN network. After the virtual key is pressed, the instruction is transmitted to the controller through the CAN line by the display, and then the controller transmits the instruction to the force limiter through the CAN bus. The force limiter finally transmits instructions to the length angle sensor through the CAN bus, and the CAN board in the length angle sensor supplies power for the arm head warning lamp after receiving signals. The concrete implementation principle is shown in fig. 4.
The display is mainly responsible for displaying and touch feedback of the virtual keys, and transmits instructions to the controller through the CAN bus.
The controller and the force limiter are responsible for information transmission. The controller receives the instruction and then transmits the instruction to the force limiter, and the force limiter is transmitted to the length angle sensor through the CAN bus.
The length angle sensor is responsible for receiving the CAN signal transmitted by the force limiter, and provides power for the arm head warning lamp after receiving the instruction.
It is noted that in this application relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a non-hard line connection control system of arm head warning lamp which characterized in that: the device comprises a switch, a control unit, a length angle sensor and an arm head alarm lamp; the length angle sensor is electrically connected with the arm head alarm lamp and provides power for the arm head alarm lamp; the switch is in communication connection with the control unit, the control unit is in communication connection with the length angle sensor, the switch is used for sending a signal for turning on and turning off the arm head warning lamp to the control unit, the control unit receives the signal for turning on and turning off the arm head warning lamp and transmits the signal to the length angle sensor, and the length angle sensor cuts off power supply or provides power supply for the arm head warning lamp according to the received signal.
2. The non-hardwired control system for an arm head warning light of claim 1, wherein: the display unit is in communication connection with the control unit and is used for displaying virtual keys and performing touch feedback, and key instructions of operators are transmitted to the control unit.
3. The non-hardwired control system for an arm head warning light of claim 2, wherein: the display unit is in communication connection with the control unit through a CAN bus.
4. A non-hardwired control system for an arm head warning light according to claim 1 or 2, characterized in that: the control unit is in communication connection with the length angle sensor through a CAN bus.
5. The non-hardwired control system for an arm head warning light of claim 2, wherein: when the crane gets on the car and is controlled by adopting the display and control integrated machine, the display and control integrated machine comprises a display unit and a control unit.
6. The non-hardwired control system for an arm head warning light of claim 2, wherein: when the crane gets on the vehicle and is controlled by the force limiter, the display unit is a display, and the control unit is the force limiter.
7. The non-hardwired control system for an arm head warning light of claim 2, wherein: when the crane gets on the car and is controlled by adopting the force limiter and the controller, the display unit is a display, the control unit is the force limiter and the controller, the display is in communication connection with the controller, the controller is in communication connection with the force limiter, and the force limiter is in communication connection with the length angle sensor.
8. The non-hardwired control system for an arm head warning light of claim 1, wherein: the control unit transmits signals to the CAN board inside the length angle sensor, and the CAN board inside the length angle sensor provides power for the arm head warning lamp.
9. The non-hardwired control system for an arm head warning light of claim 1, wherein: the length angle sensor is arranged on a crane boom of the crane, and the boom head warning lamp is arranged on the boom head of the crane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321714332.7U CN220491214U (en) | 2023-06-30 | 2023-06-30 | Non-hard-wire connection control system of arm head alarm lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321714332.7U CN220491214U (en) | 2023-06-30 | 2023-06-30 | Non-hard-wire connection control system of arm head alarm lamp |
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| Publication Number | Publication Date |
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| CN220491214U true CN220491214U (en) | 2024-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321714332.7U Active CN220491214U (en) | 2023-06-30 | 2023-06-30 | Non-hard-wire connection control system of arm head alarm lamp |
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| Country | Link |
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| CN (1) | CN220491214U (en) |
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- 2023-06-30 CN CN202321714332.7U patent/CN220491214U/en active Active
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