CN209169955U - A kind of ship shore electric interface security detection device - Google Patents
A kind of ship shore electric interface security detection device Download PDFInfo
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- CN209169955U CN209169955U CN201821890202.8U CN201821890202U CN209169955U CN 209169955 U CN209169955 U CN 209169955U CN 201821890202 U CN201821890202 U CN 201821890202U CN 209169955 U CN209169955 U CN 209169955U
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- detection
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- leakage current
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Abstract
The utility model proposes a kind of ship shore electric interface security detection devices, device includes interface connection reliability detection function block, Insulation monitoring functional block, leakage current test functional block, the interface connection reliability detection function block includes potentiometric detection unit and detection cable, by detecting test point current potential, the connection status of real-time judge power supply interface and connection status, PE ground line by electrical interface；Insulation monitoring functional block is insulation tester, and insulation tester connection power supply power cable, ground wire connecting cable, Insulation monitoring functional block is to mains supply line progress Insulation monitoring；Leakage current test functional block is Leakage Current Detector and zero sequence current mutual inductor, and Leakage Current Detector exceeds specified value if there is leakage current, then provide failure alarm signal, and disconnect power supply to the leakage current real-time detection in power transmission circuit.The utility model has the advantages that ensuring that main current supply circuit when powering, earth-return circuit are reliably connected, guarantee the safety of bank electricity power supply.
Description
Technical field
The utility model belongs to ship shore electric technical field, specifically a kind of ship shore electric power supply interface safety inspection
Survey device.
Background technique
China harbour is numerous, and the ship that reaches port is powered using power-supply system on the bank, can reduce harbour environment pollution, eliminate subsidiary engine
Generate electricity the noise generated.Increasingly severe recently as problem of environmental pollution, bank electricity technology peculiar to vessel, which becomes, builds green harbour
One of important technology, receive the attention of country and various regions government, bank electricity is widely promoted and applied in harbour at home,
And remarkable in economical benefits.As bank electricity power supply is widely promoted and applied, the safety and reliability of bank electricity power supply interface connection
Just seem especially important.
Utility model content
The purpose of the utility model is to provide a kind of ship shore electric interface security detection devices, in bank electricity system to ship
In power supply process, the safety of power supply interface is measured in real time, it is ensured that main current supply circuit when power supply, earth-return circuit it is reliable
Connection guarantees the safety of power supply.
The technical solution of the utility model includes: a kind of ship shore electric interface security detection device, device is connected comprising interface
Reliability detection function block, Insulation monitoring functional block, leakage current test functional block, the interface connection reliability detection function block
Comprising potentiometric detection unit and detection cable, detection cable has two, is CC1, CC2, mono- connection potentiometric detection list of CC1 respectively
Member, other end are connected to the detection cable CC1 and PE ground wire connecting cable junction at power supply interface, mono- connection current potential of CC2
Detection unit, other end are connected to the detection cable CC2 and PE ground wire connecting cable junction at ship power receiving device, and interface connects
Reliability detection function block is connect by the current potential at 1 point of detection detection, detection 2 points two, real-time judge power supply interface and is connect by electricity
Connection status, the connection status of PE ground wire of mouth；The Insulation monitoring functional block is insulation tester, and insulation tester connection supplies
Electric power cable, PE ground wire connecting cable, Insulation monitoring functional block carries out Insulation monitoring to mains supply line, if Insulation monitoring
It is up to standard, then it powers, if detection is not up to standard, provides failure alarm signal, remind maintenance mains supply line；The leakage current inspection
Brake block includes Leakage Current Detector and zero sequence current mutual inductor, and power supply power cable passes through zero sequence current mutual inductor, electric leakage
Flow detector and connect zero sequence current mutual inductor, leakage current test functional block to the leakage current real-time detection in power transmission circuit, if
There is leakage current and exceed specified value, then provides failure alarm signal, and disconnect power supply.
There are also electromagnetic lock functional module, electromagnetic lock functional module includes power supply interface electromagnetic lock, by electrical interface electromagnetic lock, is supplied
Electrical interface electromagnetic lock connects power supply interface electromagnetic lock control unit, is connected by electrical interface electromagnetic lock by electrical interface electromagnetism lock control list
Member, electromagnetic lock functional module is to lock in power transmission state power supply interface and by electrical interface, when preventing bank electricity from powering, artificial
Disconnect power supply interface or by electrical interface.
The utility model has the beneficial effects that can be measured in real time to the safety of bank electricity power supply interface, it is ensured that when power supply
Main current supply circuit, earth-return circuit are reliably connected, and guarantee the safety of bank electricity power supply, can be widely applied to ship shore electric power supply
In system.
Detailed description of the invention
Fig. 1 is the connection block diagram of the utility model；
In figure: 1, bank electricity power supply unit, 2, interface device, 3, by electrical interface device, 4, ship power receiving device, 11,
Insulation tester, 12, Leakage Current Detector, 13, potentiometric detection unit, 14, power supply interface electromagnetism lock control, 15, power supply interface
Electromagnetic lock, 16, zero sequence current mutual inductor, 21, detection cable CC1 and PE ground wire connecting cable junction, 41, ship power receiving device
Control unit, 42, by electrical interface electromagnetism lock control, 43, by electrical interface electromagnetic lock, 44, detection cable CC2 with PE ground wire connect electricity
Cable junction.
Specific embodiment
A kind of ship shore electric interface security detection device, device include interface connection reliability detection function block, insulation
Detection function block, leakage current test functional block, electromagnetic lock functional module, the interface connection reliability detection function block 13 include
Potentiometric detection unit and detection cable, detection cable have two, are CC1, CC2 respectively, mono- connection potentiometric detection unit of CC1,
Other end is connected to detection cable CC1 and PE ground wire connecting cable junction 21 at power supply interface, mono- connection current potential of CC2
Detection unit, other end are connected to the detection cable CC2 and PE ground wire connecting cable junction 44 at ship power receiving device, interface
Connection reliability detection function block is by the current potential at 1 point of detection detection, detection 2 points two, real-time judge power supply interface and by electricity
Connection status, the connection status of PE ground wire of interface.
Insulation monitoring functional block is insulation tester 11, the connection power supply of insulation tester 11 power cable, the connection of PE ground wire
Cable.Before each power transmission of shore electric power, Insulation monitoring functional block carries out Insulation monitoring to mains supply line, if Insulation monitoring reaches
Mark, then power, if detection is not up to standard, provides failure alarm signal, reminds maintenance mains supply line.Reliability detection function
After block passes through, shore electric power has power transmission premise.
Leakage current test functional block includes Leakage Current Detector 12 and zero sequence current mutual inductor 16, and power supply power cable passes through
Zero sequence current mutual inductor 16, Leakage Current Detector 12 connect zero sequence current mutual inductor 16, and leakage current test functional block returns power transmission
The leakage current real-time detection on road exceeds specified value if there is leakage current, then provides failure alarm signal, and disconnects power supply electricity
Source.
Electromagnetic lock functional module includes power supply interface electromagnetic lock 15, by electrical interface electromagnetic lock 42, power supply interface electromagnetic lock 15
Power supply interface electromagnetic lock control unit 14 is connected, by the connection of electrical interface electromagnetic lock 42 by electrical interface electromagnetic lock control unit 43, electricity
Magnetic padlock functional module is to lock in power transmission state power supply interface and by electrical interface, and when preventing bank electricity from powering, artificial disconnection is supplied
Electrical interface or by electrical interface.
The course of work of the utility model: bank electricity power supply unit 1 connects with 2 power-supplying interface module of interface device with by electricity
Mouth mold block is connected by six conductor cable, and wherein PE is ground wire connecting cable, and L1, L2, L3 are power supply power cable, and CC1 is to supply
Electrical interface reliability connecting detection cable, CC2 are by electrical interface reliability connecting detection cable.Bank electricity power supply unit 1 and power supply
When interface arrangement 2 is connected, PE ground wire connects at first, power cable L1, L2, L3 connection of secondly powering, last detection cable CC1
Connection.When being connected by electrical interface device 3 with ship power receiving device 4 and PE ground wire connects at first, power cable of secondly powering
L1, L2, L3 connection, last detection cable CC2 connection.Detection cable CC1, CC2 connects, and detects current potential inspection at 1, detection 2
Has the first condition of power supply after surveying normally.Insulation tester 11 before powering in bank electricity power supply unit 1 powers to L1, L2, L3
Power cable carries out Insulation test, it is ensured that power cable insulation values have the second condition of power supply after complying with standard.First condition
After all having with second condition, bank electricity power supply unit 1 starts to the formal power transmission of ship power receiving device 4.While starting power transmission, bank
Worked in power supply interface electromagnetic lock 15 and ship power receiving device 4 by electrical interface electromagnetic lock 43 in electric power supply unit 1, power supply interface and
It is locked by electrical interface, when preventing bank electricity from powering, artificial disconnection power supply interface or by electrical interface.
Leakage Current Detector 12 is to the leakage current real-time detection in power transmission circuit in transmission process, if there is leakage current
Beyond specified value, then failure alarm signal is provided, and disconnects power supply.
Claims (2)
1. a kind of ship shore electric interface security detection device, it is characterised in that: device includes that interface connection reliability detects function
Energy block, Insulation monitoring functional block, leakage current test functional block, the interface connection reliability detection function block include potentiometric detection
Unit (13) and detection cable, detection cable have two, are CC1, CC2 respectively, mono- connection potentiometric detection unit (13) of CC1,
Other end is connected to detection cable CC1 and PE ground wire connecting cable junction (21) position at power supply interface, mono- company of CC2
Connect potentiometric detection unit, other end is connected to detection cable CC2 and PE ground wire connecting cable junction at ship power receiving device
(44) position, interface connection reliability detection function block are supplied by the current potential at 1 point of detection detection, detection 2 points two, real-time judge
The connection status of electrical interface and connection status, PE ground wire by electrical interface；The Insulation monitoring functional block is insulation tester
(11), insulation tester (11) connection power supply power cable, ground wire connecting cable, Insulation monitoring functional block to mains supply line into
Row Insulation monitoring is powered if Insulation monitoring is up to standard, if detection is not up to standard, is provided failure alarm signal, is reminded maintenance
Mains supply line；The leakage current test functional block includes Leakage Current Detector (12) and zero sequence current mutual inductor (16), power supply
Power cable passes through zero sequence current mutual inductor (16), and Leakage Current Detector (12) connects zero sequence current mutual inductor (16), leakage current
Detection function block exceeds specified value if there is leakage current, then to the report that is out of order to the leakage current real-time detection in power transmission circuit
Alert signal, and disconnect power supply.
2. ship shore electric interface security detection device according to claim 1, it is characterised in that: there are also electromagnetism lock functions
Module, electromagnetic lock functional module include power supply interface electromagnetic lock (15), by electrical interface electromagnetic lock (42), power supply interface electromagnetic lock
(15) power supply interface electromagnetic lock control unit (14) are connected, is connected by electrical interface electromagnetic lock (42) by electrical interface electromagnetism lock control list
First (43), electromagnetic lock functional module is to lock in power transmission state power supply interface and by electrical interface, when preventing bank electricity from powering, people
For disconnection power supply interface or by electrical interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821890202.8U CN209169955U (en) | 2018-11-16 | 2018-11-16 | A kind of ship shore electric interface security detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821890202.8U CN209169955U (en) | 2018-11-16 | 2018-11-16 | A kind of ship shore electric interface security detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209169955U true CN209169955U (en) | 2019-07-26 |
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ID=67338455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821890202.8U Active CN209169955U (en) | 2018-11-16 | 2018-11-16 | A kind of ship shore electric interface security detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209169955U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110687408A (en) * | 2019-10-15 | 2020-01-14 | 清华大学 | Cable insulation monitoring method and device |
-
2018
- 2018-11-16 CN CN201821890202.8U patent/CN209169955U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110687408A (en) * | 2019-10-15 | 2020-01-14 | 清华大学 | Cable insulation monitoring method and device |
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