CN211375337U - Crane electrical performance detection system - Google Patents
Crane electrical performance detection system Download PDFInfo
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- CN211375337U CN211375337U CN202020165102.XU CN202020165102U CN211375337U CN 211375337 U CN211375337 U CN 211375337U CN 202020165102 U CN202020165102 U CN 202020165102U CN 211375337 U CN211375337 U CN 211375337U
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Abstract
The utility model discloses a crane electrical performance detection system, which is used for detecting the electrical performance of a crane and comprises a detection unit, a user terminal and a peripheral detected equipment unit; the detection unit is electrically connected with each peripheral tested equipment unit respectively and is also in communication connection with the user terminal; the detection unit comprises a main controller for controlling the peripheral tested device unit and a sub controller for detecting the peripheral tested function unit. The user terminal comprises a man-machine interaction unit for displaying user input instructions, detection data and electrical performance test result data in real time. The system also comprises a signal conversion unit for realizing data communication between the detection unit and the user terminal. The utility model discloses an electric kind that hoist electrical property detecting system can detect is more, especially can detect the analog quantity sensor that has great difference to the component of different batches within a definite time. The detection process is more humanized, visual management and control can be carried out, and process data and detection results can be checked in time.
Description
Technical Field
The utility model relates to a hoist electrical property detecting system belongs to engineering machine tool performance detection technical field.
Background
The electrical system of the crane is complex, and the crane is a kind of engineering equipment with high design technical difficulty in the field of engineering mechanical equipment. The electrical system of the crane mainly comprises common sensors (current type or voltage type sensors such as pressure, length, inclination angle and fuel oil level), electromagnetic valves (switching value and electrical proportion), switches (rocker switch, proximity switch and pressure detection switch), CAN equipment (CAN bus leg panel, CAN bus handle and the like) and an EPEC2024 controller (DI/AI/DO). In the prior art, generally, in the electrical maintenance process of the crane, the conventional multimeter can be only adopted to detect various sensors, electromagnetic valves, switches and the like, and effective and quick detection equipment is not available. Moreover, the function of the multimeter cannot meet the detection requirements of the CAN equipment and the EPEC2024 controller. Moreover, the existing detection means is adopted, and the proper measuring range cannot be selected; the measurement effect and result can not be accurately and effectively presented to the analog quantity signal measurement; the function of the multimeter can not meet all the electrical detection requirements of the crane, and the conventional electrical control logic can not be realized.
Therefore, an electrical performance detection system for detecting electrical functions of an electrical element and part of vehicles in the maintenance process of the whole crane is urgently needed to be designed so as to make up for the defects of a universal meter in the maintenance process.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the not enough of unable timely demonstration test effect of hoist electrical maintenance and result among the prior art, provide a hoist electrical properties detecting system, technical scheme as follows:
the crane electrical performance detection system is used for detecting the electrical performance of the crane and comprises a detection unit, a user terminal and a peripheral tested equipment unit; the detection unit is electrically connected with each peripheral tested equipment unit respectively and is also in communication connection with the user terminal; the detection unit comprises a main controller for controlling the peripheral equipment unit to be detected and a secondary controller for detecting the peripheral equipment unit to be detected, the main controller is connected with the secondary controller through CAN bidirectional transmission, the main controller is connected with the user terminal through CAN bidirectional transmission, and the main controller, the secondary controller and the peripheral equipment unit to be detected are connected through bidirectional transmission;
and the slave controller receives the instruction of the master controller and controls the peripheral tested functional units.
Furthermore, the user terminal comprises a human-computer interaction unit for displaying user input instructions, detection data and electrical performance test result data in real time.
Preferably, the human-computer interaction unit is a computer or a touch display screen.
Furthermore, the system also comprises a signal conversion unit for realizing data communication between the detection unit and the user terminal.
Compared with the prior art, the utility model discloses the beneficial effect who reaches:
the utility model discloses an electric kind that hoist electrical property detecting system can detect is more, especially can detect the analog quantity sensor that has great difference nature between the component of different batches, and the commonality is strong. The human-computer interaction function is adopted, the humanized display of the function of the detection system can be realized, the detection and the system can be visually controlled, and the process data and the detection result can be timely checked.
Drawings
Fig. 1 is a schematic view of a topological structure of a crane electrical performance detection system of the present invention;
FIG. 2 is a schematic diagram of the external structure of the crane electrical performance detection system of the present invention;
FIG. 3 is a schematic perspective view of the test stand of FIG. 2;
FIG. 4 is a display interface topology structure diagram of the crane electrical performance detection system of the present invention;
FIG. 5 is a login interface of the crane electrical performance detection system of the present invention;
FIG. 6 is a table of contents interface of the crane electrical performance detection system of the present invention;
FIG. 7 is a switching value input detection interface of the crane electrical performance detection system of the present invention;
fig. 8 is the utility model discloses a hoist electrical performance detecting system's switching value output detection interface.
In the figure: 1-tool box, 2-test bench, 21-left panel, 22-right panel, 23-front panel, 24-rear baffle and 3-wheel set.
Detailed Description
The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Related abbreviations and key terms are defined as follows:
a human-computer interaction unit: the humanized display of the functions of the detection system is realized, and detection personnel set the port attribute of the detection unit and select the attribute of the detected equipment through the human-computer interaction unit, check process data and detection results and visually manage and control the detection and the system.
A signal conversion unit: and data communication between the detection unit and the man-machine interaction unit is realized.
A power supply module unit: the detector comprises a fixed AC 220V-DC 24V switching power supply and a mobile DC24V storage battery, and meets the fixed and mobile use scenes of the detector.
A detection unit: the EPEC2024 controller is composed of a plurality of controllers and is responsible for input acquisition and output execution of peripheral equipment units to be detected, and detection of common DI/AI/DO ports of the EPEC2024 controller.
Peripheral device under test unit: the device to be detected comprises common sensors (current type or voltage type sensors such as pressure, length, inclination angle and fuel level), electromagnetic valves (switching value and electric proportion), switches (rocker switch, proximity switch and pressure detection switch), CAN devices (CAN bus leg panel, CAN bus handle and the like) and EPEC2024 controller (DI/AI/DO).
Peripheral tested functional unit: the method is mainly set according to the functions of branch debugging and maintenance as targets, and comprises common functions of super-electrification detection, supporting leg control detection, J1939 fault diagnosis and the like.
Example 1
As shown in fig. 1 to 8, the crane electrical performance detection system is used for detecting the electrical performance of a crane, and comprises a detection unit, a user terminal and a peripheral tested equipment unit; the detection unit is electrically connected with each peripheral tested equipment unit respectively and is also in communication connection with the user terminal; the detection unit comprises a main controller for controlling the peripheral equipment unit to be detected and a secondary controller for detecting the peripheral equipment unit to be detected, the main controller is connected with the secondary controller through CAN bidirectional transmission, the main controller is connected with the user terminal through CAN bidirectional transmission, and the main controller, the secondary controller and the peripheral equipment unit to be detected are connected through bidirectional transmission; and the slave controller receives the instruction of the master controller and controls the peripheral tested functional units. The main controller in this embodiment adopts an EPEC2024 controller. Those skilled in the art should also appreciate that other types or models of controllers, PLCs, chips, etc. may be substituted for equivalents. The main functions of the slave controller are to control and collect peripheral tested functional units, such as detection of a super-charged electrical system and the like.
In this embodiment, the user terminal includes a human-computer interaction unit for displaying the user input command, the detection data, and the electrical performance test result data in real time.
In this embodiment, the human-computer interaction unit is preferably a computer or a touch display screen.
In this embodiment, the present invention further includes a signal conversion unit for implementing data communication between the detection unit and the user terminal.
In this embodiment, the peripheral device unit to be tested includes a DI digital detection device, a PO analog detection device, a DO digital detection device, an AI analog detection device, a CAN device detection device, and a measured controller.
In this embodiment, the DI digital value detecting device includes a rocker switch, a proximity switch, and a pressure detecting switch;
the PO analog quantity detection equipment comprises an electric proportional solenoid valve;
the DO digital quantity detection equipment comprises a switching value electromagnetic valve and a switching value indicator lamp;
the AI analog quantity detection equipment comprises a current type sensor, a resistance type sensor and a voltage type sensor;
the CAN equipment detection equipment comprises a CAN bus handle, a CAN supporting leg panel and a novel human-computer interaction CAN panel. The Can equipment detection equipment refers to Can communication modules, such as the leg control panel and engine controller, gearbox controller, ABS controller, retarder controller, torque converter controller and the like in the J1939 system.
Specifically, the peripheral tested functional units comprise super electrification detection, supporting leg operation detection and J1939 fault diagnosis. In the system, J1939 specifically refers to a network consisting of an engine, a variable box ABS, a retarder and a torque converter, and fault diagnosis is performed on the network.
The crane electrical performance detection system in the embodiment further includes a power supply module unit electrically connected to the detection unit.
The power supply module unit in this embodiment includes at least one of a fixed power supply or a movable charging power supply. The power supply module unit in the embodiment comprises a fixed AC 220V-DC 24V switching power supply and a mobile DC24V storage battery, and the application of the detection system in fixed and mobile use scenes is met.
The embodiment provides a detection system for detecting electrical elements and electrical functions of part of vehicles in the whole maintenance process of a crane, and aims to solve the technical problem that no effective and rapid detection equipment exists in the partial electrical function test and electrical element fault maintenance process of the crane. The basic scheme is that the detector is formulated according to the attribute classification of the detected electrical element and the functional requirement. According to the attribute classification of the detected electrical element, a topological structure of the detector is formulated as shown in figure 1 according to functional requirements, the topological structure is basic, and a detector sets the port attribute of the detection unit and selects the attribute of the detected equipment through the human-computer interaction unit. The analog sensor is detected by collecting a plurality of points to perform linear analysis to judge the state of the sensor, and the sensor is self-identified by storing standard sensor data inside. When the linearity is poor or the boundary value overflows, the external equipment such as a detector, a serial multimeter/oscilloscope and the like can be adopted for retesting.
By combining the functions of the detection system, the rapid connector design with the external tested electrical component is performed on the left and right panels of the detection system shown in fig. 3, as shown in table 1, so that the connection between the external tested electrical component and the controller is realized.
Fig. 2 and fig. 3 show the external structure schematic diagram of the crane electrical performance detection system of the present invention, the detection system structure is divided into an upper part and a lower part, including a tool box 1 located at the bottom and a test bed 2 fixedly arranged above the tool box 1. A wheel set 3 is mounted at the bottom of the tool box 1. The test stand 2 includes a left panel 21, a right panel 22, and a front panel 23. The front panel 23 is used for installing a human-computer interaction platform, which is 6600 touch display in this embodiment; the left panel 21 is used for installing a power supply switch of the detector, an external power supply electric quick plug-in unit and an electric quick plug-in unit detected by an EPEC2024 controller; the right panel 22 is used to mount electrical quick connectors for connection to external AI, DI, DO, PO and CAN devices. The details and definitions of the electrical quick connector are set forth in table 1. The cabinet body of the detection system in the embodiment adopts a piano type structure (namely, the front panel 23 is designed to be inclined backwards), so that the detection system has better experience feeling, and the wheel set is convenient to move according to the change of the detection position at any time.
TABLE 1 Electrical quick-connect connection of a detection system with an external device
The external tested electric part test is provided with port distribution and wiring harness design: the master controller adopts the EPEC2024, the port distribution of which and the distribution conditions for the test of the external tested electric parts, as shown in the following table 2, the port design of the master controller for the external tested electric parts is listed.
TABLE 2 Port design for external tested Electrical component by host controller
Table 3 lists the measured controller DI ports and their detections, as follows:
TABLE 3 measured controller DI Port and detection thereof
Table 4 shows the measured controller DO port and its measurements as follows:
TABLE 4 measured controller DO port and its detection
Table 5 shows measured controller AI ports and their detections, as follows:
TABLE 5 measured controller AI Port and detection thereof
Table 6 shows the measured controller P0 port and its detection, and the EPEC2024 controller PI port is only 8-way, so it is here port-multiplexed.
TABLE 6 measured controller PO Port and its detection
Software part relating to detection system
The utility model discloses a detecting system's main control unit software's function and display software interface as follows.
1. The controller software: the system comprises a main controller and a measured controller, wherein the main controller is used for sharing a program when detecting external electrical elements; when the external EPEC2024 controller is detected, the controller needs to be matched with a measured controller for use, and three sets of programs exist, and are specifically shown in Table 7.
2. Display software: the interface is designed mainly according to functions, and the design, debugging and sizing are performed step by step from the whole framework to the display of each interface.
The controller is used for detecting analog quantity input/output equipment such as a sensor and an electromagnetic valve, and if the controller has the problems of AD conversion nonlinearity or long-time use port damage and the like, the test is inaccurate; the following measures are taken against the above problems: firstly, setting an effective boundary value for analog quantity input through a detector to distinguish short circuit and open circuit of a controller to a power supply or ground; and secondly, calibrating and calibrating the analog output by using a universal meter or an oscilloscope so as to ensure the accuracy of the controller.
Table 7 shows the controller loading software names and functions.
TABLE 7 controller software name and usage
Fig. 4 shows the overall architecture of the display software, i.e. the topological structure diagram of the display interface.
Fig. 5 to 8 are design interfaces of a display software part of the crane electrical performance detection system of the present invention, fig. 5 is a login interface, and fig. 6 is a catalog interface; fig. 7 and 8 are interfaces of specific functional parts, fig. 7 is an interface for detecting an input of a switching value, and fig. 8 is an interface for detecting an output of a switching value.
The port allocation and the wiring harness design for the external tested EPEC2024 controller test are shown in tables 3 to 6, and the programs of the tested controller and the main controller need to be updated in sequence according to DI, DO and the like of the tested controller to realize one-to-one test, so that the use of the controller is saved.
The utility model discloses a hoist electrical property detecting system detects the step as follows:
detecting a CAN port of a controller of the EPEC2024 to be detected, scanning a controller node number through a display, and if the controller node number returns to normal, determining that the CAN communication of the controller is normal, and performing subsequent detection; otherwise the controller is considered a damaged piece.
Detecting a DI port of the EPEC2024 controller to be tested, writing a program of the controller to be tested, configuring the ports into DI types, accessing the ports listed in the table 3 into +24V electricity, and checking the state value displayed by the display.
Detecting a DO port of the tested EPEC2024 controller, compiling a program of the tested controller, configuring the ports into DO types, accessing the ports listed in the table 4 into +24V electricity, and checking the state value displayed by the display.
Detecting the AI port of the EPEC2024 controller to be tested, compiling the program of the controller to be tested, configuring the ports into AI types, accessing the ports listed in the table 5 into a path of analog quantity signals through a right panel AI-1 connector, and checking the state value displayed by the display.
Detecting the PO port of the EPEC2024 controller to be detected, programming the program of the controller to be detected, configuring the ports into PO types, connecting the ports listed in the table 6 with the ports corresponding to the main controller, paying attention to the multiplexing of the ports, carrying out detection by dividing the display into three groups, and judging whether the detection port is available or not by checking the state value displayed by the display.
The utility model discloses integrateed hoist function and electric elements detect as an organic whole, detectable electric elements signal range is wide (including DI \ DO \ AI \ PO \ CAN equipment \ controller), has adopted the human-computer interaction platform, CAN be according to being detected unit demand change control logic, interface and system setting.
The utility model discloses an electric kind that hoist electrical property detecting system can detect is more, especially can detect the analog quantity sensor that has great difference to the component of different batches within a definite time. The human-computer interaction function is adopted, the humanized display of the function of the detection system can be realized, the detection and the system can be visually controlled, and the process data and the detection result can be timely checked.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.
Claims (8)
1. The crane electrical performance detection system is used for detecting the electrical performance of a crane and is characterized by comprising a detection unit, a user terminal and a peripheral tested equipment unit; the detection unit is electrically connected with each peripheral tested equipment unit respectively and is also in communication connection with the user terminal; the detection unit comprises a main controller for controlling the peripheral tested equipment unit and a secondary controller for detecting the peripheral tested function unit, the main controller is connected with the secondary controller through CAN bidirectional transmission, the main controller is connected with the user terminal through CAN bidirectional transmission, and the main controller, the secondary controller and the peripheral tested equipment unit are connected through bidirectional transmission;
and the slave controller receives the command of the master controller and controls the peripheral tested functional units.
2. The crane electrical performance detection system as claimed in claim 1, wherein the user terminal comprises a human-computer interaction unit for displaying user input instructions, detection data and electrical performance test result data in real time.
3. The crane electrical performance detection system of claim 2, wherein the human-computer interaction unit is a computer or a touch display screen.
4. The crane electrical performance detection system of claim 1, further comprising a signal conversion unit for enabling data communication between the detection unit and a user terminal.
5. The crane electrical performance detection system as claimed in claim 1, wherein the peripheral tested equipment unit comprises DI digital quantity detection equipment, PO analog quantity detection equipment, DO digital quantity detection equipment, AI analog quantity detection equipment, CAN equipment detection equipment, and a tested controller.
6. Crane electrical performance detection system according to claim 5,
the DI digital quantity detection equipment comprises a rocker switch, a proximity switch and a pressure detection switch;
the PO analog quantity detection equipment comprises an electric proportional solenoid valve;
the DO digital quantity detection equipment comprises a switching value electromagnetic valve and a switching value indicator lamp;
the AI analog quantity detection equipment comprises a current type sensor, a resistance type sensor and a voltage type sensor;
the CAN equipment detection equipment comprises a CAN bus handle, a CAN supporting leg panel and a novel human-computer interaction CAN panel.
7. The crane electrical performance detection system of any one of claims 1-6, further comprising a power module unit electrically connected to the detection unit.
8. The crane electrical performance detection system of claim 7, wherein the power module unit comprises at least one of a fixed power source or a removable rechargeable power source.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020165102.XU CN211375337U (en) | 2020-02-12 | 2020-02-12 | Crane electrical performance detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020165102.XU CN211375337U (en) | 2020-02-12 | 2020-02-12 | Crane electrical performance detection system |
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| CN211375337U true CN211375337U (en) | 2020-08-28 |
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| CN202020165102.XU Active CN211375337U (en) | 2020-02-12 | 2020-02-12 | Crane electrical performance detection system |
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Address after: 221004 No.68, Gaoxin Road, Xuzhou Economic and Technological Development Zone, Xuzhou City, Jiangsu Province Patentee after: Xuzhou Heavy Machinery Co.,Ltd. Address before: 221004 Jiangsu city of Xuzhou Province Economic and Technological Development Zone of High Road No. 68 Patentee before: Xuzhou Heavy Machinery Co.,Ltd. |