CN211293099U - Fault pre-detection device for ship power station simulation load equipment - Google Patents
Fault pre-detection device for ship power station simulation load equipment Download PDFInfo
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- CN211293099U CN211293099U CN201921809429.XU CN201921809429U CN211293099U CN 211293099 U CN211293099 U CN 211293099U CN 201921809429 U CN201921809429 U CN 201921809429U CN 211293099 U CN211293099 U CN 211293099U
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Abstract
The utility model provides a ship power station simulated load equipment fault pre-detection device, including resistance measurement PLC module, resistance measurement PLC module is connected with status display module, and the battery supplies power for resistance measurement PLC module and status display module, is equipped with on-off switch between battery and the resistance measurement PLC module, on the circuit of battery and status display module; the detection circuit comprises a load, a contactor and an interlocking switch, the detection end of the resistance measurement PLC module is connected to the two ends of the load, and the interlocking switch controls a loop among the load, the contactor and the detection end of the resistance measurement PLC module; the utility model has the advantages that: a set of simple and reliable fault pre-detection device is provided for ship power station simulated load equipment, and the risk of power station performance test failure caused by simulated load equipment faults is reduced.
Description
Technical Field
The utility model relates to a shipbuilding field especially relates to a boats and ships power station analog load equipment trouble is detection device in advance.
Background
In the ship building stage, in order to ensure the performance of a power station (generator), a power station simulation load device is mostly adopted to test the performances of the generator such as durability, adjustability and the like, the main components of the simulation load device comprise a resistive load, an inductive load, a control module and the like, the resistive load and the inductive load respectively comprise a plurality of groups of resistors and reactors with different capacities, and the resistors and the reactors with different capacities are loaded into the simulation load to be tested according to the command of the control unit through contactors with different capacities, so that the parameter test of the ship power station under different power factors is realized.
Because the work environment of the simulation load is severe, and the load element is in a power-on state and a frequent power-on and power-off state for a long time, the aging and even damage of part of the load element can be caused, in addition, because the volume and the weight are very large, the damage of the load element can be caused in the process of hoisting and transporting the simulation load, if the faults are not found before the test, the performance test of the power station which consumes a large amount of manpower and material resources can be directly failed, and the ship construction plan is disturbed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a boats and ships power station analog load equipment trouble is detection device in advance.
In order to realize the purpose, the technical scheme of the utility model is that:
a ship power station simulated load equipment fault pre-detection device is characterized by comprising a resistance measurement PLC module, a state display module, a battery, an on-off switch and a detection circuit, wherein the detection information output end of the resistance measurement PLC module is connected with the detection information input end of the state display module;
the detection circuit comprises a plurality of loads, contactors and interlocking switches, wherein the loads, the contactors and the interlocking switches are in one-to-one correspondence, the detection ends of the resistance measurement PLC modules are connected to the two ends of the loads, the interlocking switches are arranged on a circuit between the detection ends of the resistance measurement PLC modules and one end of the loads, one ends of the loads are connected with the contactors, and the interlocking switches control loops among the loads, the contactors and the detection ends of the resistance measurement PLC modules.
Furthermore, the load comprises three load elements connected in parallel, the load elements are respectively connected with three phase lines of the three-phase four-wire power station to be tested, and the three phase lines supply power to the load elements.
Furthermore, the state indicating module is provided with red and green double-color LED lamps with the same number as the tested loads.
Further, the load element is a resistor or a reactor.
The utility model has the advantages that: a set of simple and reliable fault pre-detection device is provided for ship power station simulated load equipment, and the risk of power station performance test failure caused by simulated load equipment faults is reduced.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Reference numerals:
1 resistance measurement PLC module 2 state display module 3 battery 4 on-off switch 5 interlocking switch
Load 6, load 7 contactor 8 test station 9 load element.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model discloses a 6 equipment trouble of boats and ships power station analog load detection device in advance, as shown in figure 1, including resistance measurement PLC module 1, state display module 2, battery 3, on-off switch 4 and detection circuitry, resistance measurement PLC module 1's detection information output end is connected with state display module 2's detection information input end, battery 3 is the power supply of resistance measurement PLC module 1 and state display module 2, between battery 3 and the resistance measurement PLC module 1, be equipped with on-off switch 4 on battery 3 and state display module 2's the circuit, on-off switch 4 adopts multiloop on-off control button, normally opens the setting, and on-off switch 4 surface has striking "TEST" sign.
The detection circuit comprises a plurality of loads 6, contactors 7 and interlocking switches 5, the loads 6, contactors 7 and interlocking switches 5 correspond one to one, the detection end of the resistance measurement PLC module 1 is connected to two ends of the loads 6, the interlocking switches 5 are arranged on a line between the detection end of the resistance measurement PLC module 1 and one end of the loads 6, one end of the loads 6 is connected with the contactors 7, and the interlocking switches 5 control loops between the detection ends of the loads 6, contactors 7 and the resistance measurement PLC module 1.
The detection circuit is interlocked with the contactor 7 for controlling the on-off of the load 6, and the normally closed auxiliary contact of the contactor 7 is connected into the detection circuit, so that the test circuit is automatically disconnected when the contactor 7 is connected, and the PLC is protected from being damaged by large current.
Load 6 includes three parallelly connected load element 9, contactor 7 is the three-phase contactor, the one end of load element 9 is passed through contactor 7 and is connected with three phase lines of three-phase four-wire await measuring power station 8 respectively, does by three phase lines load element 9 supplies power, load element 9 optionally is resistor or reactor, the one end of load element 9 is connected with the zero line of three-phase four-wire await measuring power station 8.
The state indicating module is provided with red and green double-color LED lamps with the same number as the tested load elements 9, the state display module 2 can receive the switching value signals, the difference value between the measured value and the preset value is within a preset range, the switching value signals are output to the state indicating module, the LED lamps display green lamps, and otherwise, the LED lamps display red.
When the TEST is implemented, in the state that the load element 9 is not put into a power station TEST, the TEST button of the on-off switch 4 is pressed, the resistance value of each load element 9 is measured by using the resistance measurement PLC module 1, the resistance value is compared with the preset resistance value through a PLC built-in program, the load element 9 is considered to be intact within the error range, the green light is displayed on the state display module 2, and otherwise, the red light is displayed for alarming; it should be noted that, the determination of whether the state of the reactor is good or not is also achieved by measuring the resistance value of the reactor, and the resistance value is low, which is normal, otherwise, the reactor is faulty.
In implementation, the resistance measurement PLC module 1 is formed by combining a PLC (model LS21-14 MR) produced by Zhejiang Liangshi intelligent technology company and a plurality of resistance measurement modules (model LS21-E8P (T)), and the state display module 2 belongs to a universal component, preferably selects a product of Zhejiang Liangshi, and is TPC1061 TX.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (4)
1. A ship power station simulated load equipment fault pre-detection device is characterized by comprising a resistance measurement PLC module, a state display module, a battery, an on-off switch and a detection circuit, wherein the detection information output end of the resistance measurement PLC module is connected with the detection information input end of the state display module;
the detection circuit comprises a plurality of loads, contactors and interlocking switches, wherein the loads, the contactors and the interlocking switches are in one-to-one correspondence, the detection ends of the resistance measurement PLC modules are connected to the two ends of the loads, the interlocking switches are arranged on a circuit between the detection ends of the resistance measurement PLC modules and one end of the loads, one ends of the loads are connected with the contactors, and the interlocking switches control loops among the loads, the contactors and the detection ends of the resistance measurement PLC modules.
2. The pre-test apparatus according to claim 1, wherein the load comprises three load elements connected in parallel, the load elements being connected to three phase lines of a three-phase four-wire station to be tested, respectively, the load elements being supplied with power by the three phase lines.
3. The pre-detection apparatus of claim 2, wherein the status indication module is provided with red and green LED lights in accordance with the number of loads tested.
4. The pre-detection apparatus of claim 1, wherein the load element is a resistor or a reactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921809429.XU CN211293099U (en) | 2019-10-25 | 2019-10-25 | Fault pre-detection device for ship power station simulation load equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921809429.XU CN211293099U (en) | 2019-10-25 | 2019-10-25 | Fault pre-detection device for ship power station simulation load equipment |
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| CN211293099U true CN211293099U (en) | 2020-08-18 |
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| CN201921809429.XU Active CN211293099U (en) | 2019-10-25 | 2019-10-25 | Fault pre-detection device for ship power station simulation load equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7106183B1 (en) * | 2021-03-17 | 2022-07-26 | 株式会社辰巳菱機 | inspection system |
| WO2022196317A1 (en) * | 2021-03-17 | 2022-09-22 | 株式会社辰巳菱機 | Inspection system |
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2019
- 2019-10-25 CN CN201921809429.XU patent/CN211293099U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7106183B1 (en) * | 2021-03-17 | 2022-07-26 | 株式会社辰巳菱機 | inspection system |
| WO2022196317A1 (en) * | 2021-03-17 | 2022-09-22 | 株式会社辰巳菱機 | Inspection system |
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Address after: 200032 No. two, 851 South Road, Xuhui District, Shanghai, Zhongshan Patentee after: Shanghai Shipbuilding Technology Research Institute (the 11th Research Institute of China Shipbuilding Corp.) Address before: 200032 No. two, 851 South Road, Xuhui District, Shanghai, Zhongshan Patentee before: SHIPBUILDING TECHNOLOGY Research Institute (NO 11 RESEARCH INSTITUTE OF CHINA STATE SHIPBUILDING Corp.,Ltd.) |