CN219302576U - Crane electrical equipment overhauls device - Google Patents
Crane electrical equipment overhauls device Download PDFInfo
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- CN219302576U CN219302576U CN202320001910.6U CN202320001910U CN219302576U CN 219302576 U CN219302576 U CN 219302576U CN 202320001910 U CN202320001910 U CN 202320001910U CN 219302576 U CN219302576 U CN 219302576U
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Abstract
The utility model discloses a crane electrical equipment overhauling device which comprises an equipment main body, wherein a circuit board is arranged in the equipment main body, a display screen is arranged at the top of the equipment main body, and the circuit board is electrically connected with the display screen. The signal data collected by the signal acquisition module is transmitted to the logic processing module, the transmitted data is analyzed by the PLC signal processing center and the internal circuit structure, the working state of each relay protection device and the monitoring result of the real-time running state of the internal electrical equipment of the crane are transmitted to the display screen, the display screen is mainly responsible for displaying the data output by the logic processing part in real time, and the protection working state, the internal devices of the crane and the working state of a loop are rapidly and accurately displayed, so that the electric elements can be rapidly and accurately detected, fault points can be rapidly positioned, the purposes of overhauling and maintaining are achieved, and the use is convenient and rapid.
Description
Technical Field
The utility model relates to the field of equipment overhaul and maintenance, in particular to an electric equipment overhaul device of a crane.
Background
The bridge crane belongs to one of special equipment for national key supervision, and along with continuous progress of scientific technology, the industrial production scale is continuously enlarged, and the operation and maintenance of the bridge crane become very important.
At present, the overhauling of the crane is carried out for a plurality of times by using different equipment by professional overhauling staff, and strict overhauling plans and overhauling schemes are required to be formulated, so that manpower and material resources are consumed, and the operation is extremely inconvenient.
Disclosure of Invention
The utility model aims to provide a crane electrical equipment overhauling device which is used for solving the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a crane electrical equipment servicing apparatus comprising:
the device comprises a device body, wherein a transformer is arranged in the device body, a voltage regulator is arranged in the device body, a logic processing module is arranged in the device body, an external wiring button is arranged outside the device body, a direct current power supply module is arranged in the device body, a circuit board is arranged in the device body, a display screen is arranged at the top of the device body, and the circuit board is electrically connected with the display screen;
preferably, a signal acquisition module is arranged in the equipment main body, and the signal acquisition module comprises a PLC signal processing center, an external analog input module, a direct current output module, a switching value detection circuit and a precise rectification circuit.
Preferably, the signal acquisition module is electrically connected with the PLC signal processing center, the external analog quantity input module is electrically connected with the PLC signal processing center, an external feedback analog quantity signal is arranged in the equipment main body, and the PLC signal processing center is electrically connected with the external feedback analog quantity signal; the device is characterized in that a direct current output module is arranged in the device main body, and the circuit board is electrically connected with the direct current output module.
Preferably, a controller is arranged in the device main body, the switching value detection circuit is electrically connected with the controller, and the controller is electrically connected with the circuit board.
Preferably, a voltage-current transformer is arranged in the equipment main body, the voltage-current transformer is electrically connected with the precise rectifying circuit, and the precise rectifying circuit is electrically connected with the controller.
Preferably, a status monitoring core is arranged in the equipment main body, and the PLC signal processing center is electrically connected with the status monitoring core.
The utility model has the technical effects and advantages that:
the utility model utilizes a matched setting mode, signal data collected by the signal acquisition module is transmitted to the logic processing module, the transmitted data is analyzed by the PLC signal processing center and the internal circuit structure, and then the working state of each relay protection device and the monitoring result of the real-time running state of the internal electric equipment of the crane are transmitted to the display screen, the display screen is mainly responsible for displaying the data output by the logic processing part in real time, and the working states of each protection working state, the internal device of the crane and the circuit can be displayed rapidly and accurately, so that the electric element can be detected rapidly and rapidly, fault points can be positioned rapidly, the purposes of maintenance and repair can be achieved, and the use is convenient and rapid.
Drawings
Fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is a schematic diagram of the internal structure of the present utility model.
Fig. 3 is a schematic view of the external structure of the present utility model.
FIG. 4 is a schematic diagram of the connection structure of the components of the present utility model.
Fig. 5 is a schematic view of a circuit board connecting mechanism according to the present utility model.
In the figure: 1. an apparatus main body; 2. a transformer; 3. a voltage regulator; 4. a logic processing module; 5. an external junction knob; 6. a direct current power supply module; 7. a circuit board; 8. a display screen; 11. a signal acquisition module; 12. a PLC signal processing center; 13. a status monitoring core; 14. feeding back analog quantity signals outwards; 15. an external analog input module; 16. a direct current amount output module; 17. a switching value detection circuit; 18. a voltage-current transformer; 19. a precision rectifying circuit; 20. and a controller.
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 utility model provides a crane electrical equipment maintenance device as shown in fig. 1-5, comprising:
the device is characterized in that a transformer 2 is arranged inside the device body 1, a voltage regulator 3 is arranged inside the device body 1, a logic processing module 4 is arranged inside the device body 1, an external wiring button 5 is arranged outside the device body 1, a direct current power supply module 6 is arranged inside the device body 1, a circuit board 7 is arranged inside the device body 1, a display screen 8 is arranged at the top of the device body 1, the circuit board 7 is electrically connected with the display screen 8, a signal acquisition module 11 is arranged inside the device body 1, the signal acquisition module 11 comprises a PLC signal processing center 12, an external analog quantity input module 15, a direct current output module 16, a switching quantity detection circuit 17 and a precision rectifying circuit 19, the signal acquisition module 11 is electrically connected with the PLC signal processing center 12, the external analog quantity input module 15 is electrically connected with the PLC signal processing center 12, an external feedback analog quantity signal 14 is arranged inside the device body 1, and the PLC signal processing center 12 is electrically connected with the external feedback analog quantity signal 14; the device comprises a device main body 1, wherein a direct current output module 16 is arranged in the device main body 1, a circuit board 7 is electrically connected with the direct current output module 16, a controller 20 is arranged in the device main body 1, a switching value detection circuit 17 is electrically connected with the controller 20, the controller 20 is electrically connected with the circuit board 7, a voltage-current transformer 18 is arranged in the device main body 1, the voltage-current transformer 18 is electrically connected with a precision rectifying circuit 19, the precision rectifying circuit 19 is electrically connected with the controller 20, a state monitoring core 13 is arranged in the device main body 1, and a PLC signal processing center 12 is electrically connected with the state monitoring core 13;
through the technical scheme, the equipment main body 1 mainly comprises a signal acquisition module 11, a logic processing module 4 and a display screen 8, the signal acquisition module 11 comprises a PLC signal processing center 12, an external analog input module 15, a DC output module 16, a switching value detection circuit 17 and a precision rectification circuit 19, the logic processing module 4 mainly comprises the PLC signal processing center 12, a transformer 2, a voltage regulator 3 and a state monitoring core 13, signal data collected by the signal acquisition module 11 are transmitted to the logic processing module 4, the transmitted data are analyzed through the PLC signal processing center 12 and an internal circuit structure and then are transmitted to the display screen 8, the display screen 8 is mainly responsible for displaying the data output by the logic processing part in real time, the protection working states, internal devices and loop working states of the crane can be rapidly and accurately displayed, the electric elements can be rapidly detected, fault points can be rapidly positioned, the purpose of maintenance can be achieved, and the equipment is convenient and rapid to use;
through the technical scheme, the equipment main body 1 can inspect relay protection equipment, devices and loops inside the bridge crane, only the wires of the outer protection box of the crane are needed, voltage and current detection is divided into two parts, the voltage part is three binding posts, the voltage part corresponds to A/B/C three phases of voltage respectively from left to right, ABC three phases in the circuit are respectively connected to the binding posts through operation, the current part is six binding posts, the ABC three phases are respectively from left to right, each current direction needs a pair of contacts up and down, the wires on the secondary side of the voltage and current transformer 18 are connected to current detection contacts during operation, electric shock protection detection connection is carried out after voltage and current data acquisition connection is completed, and the contact detection part is six pairs of contact detection binding posts for contact detection of various protections. Firstly, connecting a connecting wire to a contact detection terminal, connecting the other end of the connecting wire to two ends of a relay contact corresponding to protection, clicking a start detection button to detect, and displaying that the relay protection contact is turned off when a touch screen indicator lamp flashes red and displaying that the relay protection contact is turned on when the indicator lamp is green and normally bright.
The real-time voltage and current of a plurality of detection points are measured, and the analysis and comparison of the logic processing part can directly display the conditions of each relay protection work and internal devices on the display screen 8, so that the overhaul efficiency is improved, the manpower resources are saved, meanwhile, the device is convenient to carry and operate, the defect that a large amount of manpower and material resources are required to be provided is overcome, the electric equipment detection device of the crane is provided, and great convenience is provided for overhaul and maintenance personnel;
the equipment main body 1 adopts the small-sized PLC signal processing center 12 and the 7-inch touch display screen, so that the portability of equipment is met, the maintenance requirement of electrical equipment can be met, meanwhile, different detection modes can be set according to different maintenance conditions by written programs, the maintenance requirement can be met, the display screen 8 is provided with a good man-machine interaction interface, the operation is convenient, the display result is clear, the transformer 2 and the voltage regulator 3 are mutually matched for use, the external working current can be simulated, and the problem that the working current cannot be acquired from the outside is solved to a certain extent.
The PLC signal processing center 12 communicates with the display screen 8 through network cables, the PLC signal processing center 12 transmits various signals acquired by an external circuit to the display screen 8 through corresponding conversion and processing to be displayed in real time, the PLC signal processing center can be connected with an electric quantity element to be overhauled through an external cable, the state of the electric quantity element to be overhauled can be judged, a program arranged in the PLC signal processing center 12 can detect the state of the electric quantity element to be overhauled in real time, whether the electric quantity element to be overhauled is in a virtual connection or is completely on-off state, different detection modes can be selected according to actual situations of the site to detect the whole or a single electric element, the signal acquisition of the electric quantity element of the site switch is carried out, the switch quantity signal is connected to a switch quantity acquisition circuit through the cable, the inspection can be carried out on a plurality of elements according to the site situation, or the inspection can be carried out on a certain element, therefore, the automatic detection can be carried out according to the selected automatic or manual detection mode, the connected elements are detected in sequence, and the state can be displayed in real time.
The state monitoring core can display the working state of the internal devices of the crane in real time, and monitor all links such as an alternating current loop, a direct current loop, a protection device, a circuit breaker and the like for protecting the crane. And (3) monitoring the state of the circuit breaker: the circuit is ensured to be stable during tripping and closing, the mechanism operates normally during operation, and the switching-on and switching-off speed of the circuit breaker meets the requirement of a system;
voltage loop status monitoring: single-phase or two-phase voltage anomalies: whether the voltage loop fails or not is judged by detecting the existence of zero sequence voltage and negative sequence current, and three-wire voltage disappears under line charging: there are two possibilities of three-phase voltage loss during line charging: firstly, the voltage transformer loop has faults, secondly, the voltage transformer loop is combined with near zone faults, (3) three-phase voltage disappears under normal load: zero sequence voltage cannot be detected, a current loop detection function is started according to the current variation, and the current loop state is detected: the current loop is broken to cause protection misoperation, and zero sequence current is detected under the condition of no zero sequence voltage, so that the zero sequence current loop is abnormal.
The display screen 8 can display the state of the collected voltage/current in real time, the real-time working state of each protection, and meanwhile, the working state of a breaker and a current-voltage loop in the detected equipment, and the data processed by the PLC signal processing center 12 is transmitted to the display screen for display through a network cable so as to display the working state of the inspection equipment.
The working principle of the utility model is as follows:
the signal data collected by the signal acquisition module 11 is transmitted to the logic processing module 4, the transmitted data is analyzed by the PLC signal processing center and the internal circuit structure, the working state of each relay protection device and the monitoring result of the real-time running state of the internal electrical equipment of the crane are transmitted to the display screen 8, the display screen 8 is mainly responsible for displaying the data output by the logic processing part in real time, the working states of each protection and the internal devices and the loop working state of the crane are rapidly and accurately displayed, the electrical elements can be rapidly and accurately detected, fault points can be rapidly positioned, the purposes of overhauling and maintaining are achieved, and the use is convenient and rapid.
Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, it will be apparent to those skilled in the art that the foregoing description of the preferred embodiments of the present utility model can be modified or equivalents can be substituted for some of the features thereof, and any modification, equivalent substitution, improvement or the like that falls within the spirit and principles of the present utility model should be included in the scope of the present utility model.
Claims (6)
1. A crane electrical equipment servicing apparatus comprising:
the device comprises a device body (1), and is characterized in that a transformer (2) is arranged inside the device body (1), a voltage regulator (3) is arranged inside the device body (1), a logic processing module (4) is arranged inside the device body (1), an external wiring button (5) is arranged outside the device body (1), a direct-current power supply module (6) is arranged inside the device body (1), a circuit board (7) is arranged inside the device body (1), a display screen (8) is arranged at the top of the device body (1), and the circuit board (7) is electrically connected with the display screen (8).
2. The overhauling device for the electrical equipment of the crane according to claim 1, wherein a signal acquisition module (11) is arranged inside the equipment main body (1), and the signal acquisition module (11) comprises a PLC signal processing center (12), an external analog input module (15), a direct current output module (16), a switching value detection circuit (17) and a precision rectification circuit (19).
3. The overhauling device for the electrical equipment of the crane according to claim 2, wherein the signal acquisition module (11) is electrically connected with the PLC signal processing center (12), the external analog input module (15) is electrically connected with the PLC signal processing center (12), an external feedback analog signal (14) is arranged inside the equipment main body (1), and the PLC signal processing center (12) is electrically connected with the external feedback analog signal (14); the device is characterized in that a direct current output module (16) is arranged in the device body (1), and the circuit board (7) is electrically connected with the direct current output module (16).
4. A crane electrical equipment maintenance device according to claim 3, wherein a controller (20) is provided inside the equipment body (1), the switching value detection circuit (17) is electrically connected with the controller (20), and the controller (20) is electrically connected with the circuit board (7).
5. The overhauling device for electrical equipment of a crane according to claim 4, wherein a voltage-current transformer (18) is arranged inside the equipment main body (1), the voltage-current transformer (18) is electrically connected with a precision rectifying circuit (19), and the precision rectifying circuit (19) is electrically connected with a controller (20).
6. A crane electrical equipment maintenance device according to claim 3, wherein the equipment body (1) is internally provided with a status monitoring core (13), and the PLC signal processing center (12) is electrically connected with the status monitoring core (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320001910.6U CN219302576U (en) | 2023-01-03 | 2023-01-03 | Crane electrical equipment overhauls device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320001910.6U CN219302576U (en) | 2023-01-03 | 2023-01-03 | Crane electrical equipment overhauls device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219302576U true CN219302576U (en) | 2023-07-04 |
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ID=86985686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320001910.6U Active CN219302576U (en) | 2023-01-03 | 2023-01-03 | Crane electrical equipment overhauls device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219302576U (en) |
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2023
- 2023-01-03 CN CN202320001910.6U patent/CN219302576U/en active Active
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