CN108037347A - Roll-on-roll-off ship refrigerates electric power monitoring system and monitoring method - Google Patents
Roll-on-roll-off ship refrigerates electric power monitoring system and monitoring method Download PDFInfo
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- CN108037347A CN108037347A CN201711431599.4A CN201711431599A CN108037347A CN 108037347 A CN108037347 A CN 108037347A CN 201711431599 A CN201711431599 A CN 201711431599A CN 108037347 A CN108037347 A CN 108037347A
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- roll
- refrigeration
- electronic box
- signal acquisition
- breaker
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention discloses a kind of roll-on-roll-off ship to refrigerate electric power monitoring system, it includes frozen products insulated container, refrigeration divides electronic box and main distribution board；Each refrigeration, which divides, sets multiple circuit branch in electronic box, multiple circuit branch that one refrigeration divides in electronic box access main distribution board commonly through a current transformer, main distribution board connects signal processing unit by signal acquisition module, each refrigeration divides electronic box to connect signal processing unit, signal processing unit connection work station by a signal acquisition case respectively.Signal acquisition case, signal acquisition module and work station belong to ship craft integrated monitoring, alarming control system, the state of the ship craft integrated received all refrigeration sockets of monitoring, alarming control system docking, alarm signal and refrigeration divide the current value of electronic box to be analyzed and calculated, compared with the power consumption and current reference value of default frozen products insulated container normal work, provide alarm signal and notify crewman to be checked.The method can detect that major part and the relevant failure of compressor motor.
Description
Technical field
The invention belongs to marine vessel power monitoring technology, and in particular to a kind of cargo roll-on-roll-off ship refrigeration electric power monitoring system is set
Meter.
Background technology
In the 10,000 tons roll-on-roll-off ship of a new generation, it is provided with largely refrigeration socket and is used to supply to the frozen products insulated container of transport
Electricity, but since frozen products insulated container is from different places, and container is new and old differs, plus rugged environment during sea-freight,
Various problems often occur in transportational process：Because the reasons such as cable aging cause it is apparatus insulated too low, cargo load or
Container problem itself causes compressor operating exception etc..Compressor operating extremely may cause damage freight, single
One apparatus insulated Low dark curient etc. will have an impact other containers in same current supply circuit, in some instances it may even be possible to influence whole
Power grid；And inspection conventional during sea-freight can not find these exceptions in time at all.Refrigeration electric system is monitored,
Refrigerating system produced problem can be found in time and be preferably minimized loss.Traditional refrigeration monitoring is mainly for refrigeration packaging
Case in itself, can not effectively be monitored for leak current fault；It is not only expensive, but also be only applicable to new equipped with long-range
The frozen products insulated container of data communication module, application range are restricted.
The content of the invention
It is an object of the invention to solve the problems, such as the monitoring of refrigeration electric system during transporting by sea, propose that a kind of roll-on-roll-off ship is cold
Hide the design method of electric power monitoring system.
Present invention firstly provides a kind of roll-on-roll-off ship to refrigerate electric power monitoring system, it includes several frozen products insulated containers, some
A refrigeration divides electronic box and a main distribution board；Each refrigeration, which divides, sets multiple circuit branch in electronic box, a refrigeration divides in electronic box
Multiple circuit branch access main distribution board commonly through a breaker of plastic casing, and current transformer is installed on breaker of plastic casing output
In end loop,
One frozen products insulated container corresponds to one circuit branch of connection；Each circuit branch includes an earth-fault protection mould
Block, an electric leakage indicating contacts, a breaker division state auxiliary contact and a breaker, in each circuit branch：
Earth-fault protection module connection electric leakage indicating contacts, breaker are touched in single-pole double throw scheme control breaker division state auxiliary
Point；
Main distribution board connects signal processing unit by signal acquisition module, and each refrigeration divides electronic box respectively by a letter
Number vasculum connection signal processing unit, signal processing unit connection work station.
Preferably, frozen products insulated container connects the breaker of corresponding circuits branch by refrigeration socket peculiar to vessel.
Preferably, each current transformer connection signal acquisition module of main distribution board, divides electronic box for sampling the refrigeration
Electric current.
Preferably, refrigeration divides the electric leakage indicating contacts of electronic box to connect signal acquisition with breaker division state auxiliary contact
Case, for handling the division state and leak current fault signal of breaker.
The invention also discloses a kind of roll-on-roll-off ship to refrigerate power monitoring method, and electricity is refrigerated based on roll-on-roll-off ship of the present invention
Power monitoring system, specifically includes following steps：
S1, frozen products insulated container start；
S2, work station obtain the operating current I of each point of electronic box by signal acquisition module0, work station passes through signal acquisition
Case obtains the closing switch quantity n of breaker0；
S3, set normal operating current；
S4, by S3 obtain normal operating current be compared with the specified operating current of equipment：If in rated range
Inside then carry out in next step；If each frozen products insulated container is not checked in rated range：Failure then carries out work of removing obstacles, and does not occur
The normal operating current obtained in S3 is then added rated current database by failure；
S5, every Fixed Time Interval, work station obtains the work electricity that refrigeration divides electronic box again by signal acquisition module
I is flowed, work station obtains the closing switch quantity n of breaker again by signal acquisition case；
Whether S6, with reference to operating current I and closing switch quantity n judge the operating current of each point of electronic box in rated current number
According in storehouse：It is not operate；Otherwise pre-alarm+1；
S7, return to step S5 are circulated, after pre-alarm number is more than setting number, work station output frozen products insulated container failure
Alarm signal.
Preferably, in step S3, normal operating current is arranged to by ± 3%.
Preferably, in step S5, Fixed Time Interval 1min.
Preferably, in step S6, by the numerical value of I/n judging the operating current of each point of electronic box whether in rated current number
According in storehouse.
Preferably, in step S7, number is set as 10 times.
Preferably, in step S2 and step S5, work station obtains the leak current fault situation of breaker by signal acquisition case,
It was found that alarm immediately during leak current fault.
Beneficial effects of the present invention
Signal acquisition case, signal acquisition module and work station belong to ship craft integrated monitoring, alarming control system, ship craft integrated
The state of the received all refrigeration sockets of monitoring, alarming control system docking, alarm signal and refrigeration divide the current value of electronic box to carry out
Analysis and calculating, compared with the power consumption and current reference value of default frozen products insulated container normal work, if occurring for a long time
It is abnormal, alarm signal will be provided and notify crewman to be checked.The method can detect that major part and the relevant event of compressor motor
Barrier.
Further, if receiving some corresponding breaker of refrigeration socket sends leak current fault alarm, send in time
Alarm signal notifies crewman to fix a breakdown a little.
Further, the MIMIC of full ship refrigeration socket can be shown on the display screen of ship craft integrated monitoring, alarming control system
Figure, for showing the service condition and alarm condition of all refrigeration sockets.
Brief description of the drawings
Fig. 1 is the system line chart of the present invention.
Fig. 2 is the power monitoring method flow diagram of the present invention.
Embodiment
With reference to embodiment, the invention will be further described, but protection scope of the present invention not limited to this：
With reference to Fig. 1, a kind of roll-on-roll-off ship refrigerates electric power monitoring system, it includes several frozen products insulated containers 11, several are cold
Electronic box and a main distribution board are divided in Tibetan；Each refrigeration, which divides, sets multiple circuit branch in electronic box, a refrigeration divides multiple in electronic box
Circuit branch accesses main distribution board commonly through a breaker of plastic casing 12, and it is defeated that current transformer 5 is installed on breaker of plastic casing 12
Go out in end loop (each refrigeration, which divides, on ship main distribution board installs a current transformer 5 on the bus-bar of electronic box load switch,
Divide the electric current of electronic box for measuring the refrigeration)：
One frozen products insulated container 11 corresponds to one circuit branch of connection；Each circuit branch includes an earth-fault protection mould
1 (model of block：Schneider Vigi MH type earth-fault protections module), one electric leakage 2 (model of indicating contacts：Schneider
SDV leak electricity indicating contacts), a breaker division state auxiliary contact 3 (Schneider OF breaker division states auxiliary contact)
With a 4 (model of breaker：Schneider NSX100F breaker of plastic casing), in each circuit branch：Earth-fault protection mould
The connection electric leakage indicating contacts 2 of block 1, breaker 4 is in single-pole double throw scheme control breaker division state auxiliary contact 3；
Main distribution board is connected by signal acquisition module 6 (ship craft integrated monitoring, alarming control system signal acquisition module) to be believed
Number processing unit 7 (ship craft integrated monitoring, alarming control system signal processing unit), ship craft integrated monitoring, alarming control system
Signal acquisition module 7 is installed in main distribution board, and the actual current of electronic box is divided for receiving each refrigeration；Each refrigeration divides electronic box
Signal processing unit 7 is connected by a signal acquisition case 9 (ship craft integrated monitoring, alarming control system signal acquisition case) respectively,
The signal acquisition case 9 of ship craft integrated monitoring, alarming control system divides near electronic box installed in refrigeration；Signal processing unit 7 connects work
Make 8 (ship craft integrated monitoring, alarming control system work stations) of station.
Specifically, frozen products insulated container 11 connects the breaker 4 of corresponding circuits branch by refrigeration socket 10 peculiar to vessel.Refrigeration point
The each position that is installed on ship of the electronic box according to the connection and reasonable arrangement of refrigeration socket 10, all breakers 4 and earth-fault protection
Module 1 is installed in refrigeration and divides in electronic box, and breaker 4 is connected by cable with refrigerating slotting 10, is powered for frozen products insulated container 11.
Specifically, each current transformer 5 of main distribution board connects signal acquisition module 6, divide electronic box for sampling the refrigeration
Electric current.
Specifically, refrigeration divides the electric leakage indicating contacts 2 of electronic box and breaker division state auxiliary contact 3 to connect signal acquisition
Case 9, for handling the division state and leak current fault signal of breaker 4.
Real to combine Fig. 2, a kind of roll-on-roll-off ship refrigerates power monitoring method, based on roll-on-roll-off ship of the present invention refrigeration electric power prison
Control system, specifically includes following steps：
S1, frozen products insulated container 11 start；
S2, work station 8 obtain the operating current I of each point of electronic box by signal acquisition module 60, work station 8 adopted by signal
Header 9 obtains the closing switch quantity n of breaker 40；
S3, set normal operating current；
S4, by S3 obtain normal operating current be compared with the specified operating current of equipment：If in rated range
Inside then carry out in next step；If each frozen products insulated container 11 is not checked in rated range：Failure then carries out work of removing obstacles, and does not go out
The normal operating current obtained in S3 is then added rated current database by existing failure；
S5, every Fixed Time Interval, work station 8 obtains the work that refrigeration divides electronic box again by signal acquisition module 6
Electric current I, work station 8 obtain the closing switch quantity n of breaker 4 again by signal acquisition case 9；
Whether S6, with reference to operating current I and closing switch quantity n judge the operating current of each point of electronic box in rated current number
According in storehouse：It is not operate；Otherwise pre-alarm+1；
S7, return to step S5 are circulated, and after pre-alarm number is more than setting number, work station 8 exports frozen products insulated container 11
Failure alarm signal.
Specifically, in step S3, by I0/n0± 3% is arranged to normal operating current.
Specifically, in step S5, Fixed Time Interval 1min.
Specifically, in step S6, by the numerical value of I/n judging the operating current of each point of electronic box whether in rated current number
According in storehouse.
Specifically, in step S7, number is set as 10 times.
More preferably, in step S2 and step S5, work station 8 obtains the leak current fault feelings of breaker 4 by signal acquisition case 9
Condition, finds to alarm immediately during leak current fault.
More preferably, full ship refrigeration socket 10 can be shown on the display screen of ship craft integrated monitoring, alarming control system
MIMIC schemes, for showing the service condition and alarm condition of all refrigeration sockets.
Specific embodiment described herein is only that spirit of the present invention is illustrated.Technology belonging to the present invention is led
The technical staff in domain can do various modifications or additions to described specific embodiment or replace in a similar way
Generation, but without departing from spirit of the invention or beyond the scope of the appended claims.
Claims (10)
1. a kind of roll-on-roll-off ship refrigerates electric power monitoring system, it is characterised in that it include several frozen products insulated containers (11), several
Refrigeration divides electronic box and a main distribution board；Each refrigeration, which divides, sets multiple circuit branch in electronic box, a refrigeration divides more in electronic box
A circuit branch accesses main distribution board commonly through a breaker of plastic casing (12), and current transformer (5) is installed on plastic housing open circuit
In device (12) output end loop；
One frozen products insulated container (11) one circuit branch of corresponding connection；Each circuit branch includes an earth-fault protection module
(1), an electric leakage indicating contacts (2), a breaker division state auxiliary contact (3) and a breaker (4), in each electricity
In the branch of road：Earth-fault protection module (1) connection electric leakage indicating contacts (2), breaker (4) break in single-pole double throw scheme control
Road device division state auxiliary contact (3)；
Main distribution board connects signal processing unit (7) by signal acquisition module (6), and each refrigeration divides electronic box respectively by one
Signal acquisition case (9) connection signal processing unit (7), signal processing unit (7) connection work station (8).
2. roll-on-roll-off ship according to claim 1 refrigerates electric power monitoring system, it is characterised in that frozen products insulated container (11) passes through
The breaker (4) of refrigeration socket (10) connection corresponding circuits branch peculiar to vessel.
3. roll-on-roll-off ship according to claim 1 refrigerates electric power monitoring system, it is characterised in that each electric current of main distribution board is mutual
Sensor (5) connection signal acquisition module (6).
4. roll-on-roll-off ship according to claim 1 refrigerates electric power monitoring system, it is characterised in that refrigeration divides the electric leakage of electronic box to refer to
Show contact (2) and breaker division state auxiliary contact (3) connection signal acquisition case (9).
5. a kind of roll-on-roll-off ship refrigerates power monitoring method, electric power monitoring system is refrigerated based on the roll-on-roll-off ship described in claim 1, its
It is characterized in that comprising the following steps：
S1, frozen products insulated container (11) start；
S2, work station (8) obtain the operating current I of each point of electronic box by signal acquisition module (6)0, work station (8) passes through signal
Vasculum (9) obtains the closing switch quantity n of breaker (4)0；
S3, set normal operating current；
S4, by S3 obtain normal operating current be compared with the specified operating current of equipment：If in rated range
Carry out in next step；If each frozen products insulated container (11) is not checked in rated range：Failure then carries out work of removing obstacles, and does not occur
The normal operating current obtained in S3 is then added rated current database by failure；
S5, every Fixed Time Interval, work station (8) obtains the work that refrigeration divides electronic box again by signal acquisition module (6)
Electric current I, work station (8) obtain the closing switch quantity n of breaker (4) again by signal acquisition case (9)；
Whether S6, with reference to operating current I and closing switch quantity n judge the operating current of each point of electronic box in rated current database
In：It is not operate；Otherwise pre-alarm+1；
S7, return to step S5 are circulated, after pre-alarm number is more than setting number, work station (8) output frozen products insulated container (11)
Failure alarm signal.
6. roll-on-roll-off ship according to claim 5 refrigerates power monitoring method, it is characterised in that in step S3, by (I0/n0)±
3% is arranged to normal operating current.
7. roll-on-roll-off ship according to claim 5 refrigerates power monitoring method, it is characterised in that in step S5, between the set time
It is divided into 1min.
8. roll-on-roll-off ship according to claim 5 refrigerates power monitoring method, it is characterised in that in step S6, by the number of I/n
Whether value is judging the operating current of each point of electronic box in rated current database.
9. roll-on-roll-off ship according to claim 5 refrigerates power monitoring method, it is characterised in that in step S7, set number as
10 times.
10. roll-on-roll-off ship according to claim 5 refrigerates power monitoring method, it is characterised in that in step S2 and step S5,
Work station (8) obtains the leak current fault situation of breaker (4) by signal acquisition case (9), finds to alarm immediately during leak current fault.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711431599.4A CN108037347B (en) | 2017-12-26 | 2017-12-26 | Monitoring system and monitoring method for refrigeration power of roll-on-roll-off ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711431599.4A CN108037347B (en) | 2017-12-26 | 2017-12-26 | Monitoring system and monitoring method for refrigeration power of roll-on-roll-off ship |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108037347A true CN108037347A (en) | 2018-05-15 |
| CN108037347B CN108037347B (en) | 2020-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711431599.4A Active CN108037347B (en) | 2017-12-26 | 2017-12-26 | Monitoring system and monitoring method for refrigeration power of roll-on-roll-off ship |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201663358U (en) * | 2009-12-22 | 2010-12-01 | 深圳市飞霞机电技术有限公司 | Intelligent energy consumption monitoring type three-phase distribution cabinet |
| KR101659552B1 (en) * | 2015-12-23 | 2016-09-23 | 이종기 | Monitoring and control system for ship loading reefer container without modem |
| CN206411177U (en) * | 2016-12-27 | 2017-08-15 | 西安达刚路面机械股份有限公司 | A kind of electrical system self-diagnosis system |
-
2017
- 2017-12-26 CN CN201711431599.4A patent/CN108037347B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201663358U (en) * | 2009-12-22 | 2010-12-01 | 深圳市飞霞机电技术有限公司 | Intelligent energy consumption monitoring type three-phase distribution cabinet |
| KR101659552B1 (en) * | 2015-12-23 | 2016-09-23 | 이종기 | Monitoring and control system for ship loading reefer container without modem |
| CN206411177U (en) * | 2016-12-27 | 2017-08-15 | 西安达刚路面机械股份有限公司 | A kind of electrical system self-diagnosis system |
Non-Patent Citations (1)
| Title |
|---|
| 刘永峰等: "提高集装箱码头冷藏箱配电装置安全可靠性的措施", 《港口装卸》 * |
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| CN108037347B (en) | 2020-08-11 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20200701 Address after: Shahekou, shierwei, Yizheng City, Yangzhou City, Jiangsu Province Applicant after: China Merchants Jinling shipping (Jiangsu) Co., Ltd Address before: 210000 Yanjiang Road, Drum Tower District, Nanjing, Jiangsu Province, No. 55 Applicant before: NANJING JINLING SHIPYARD Co.,Ltd. |
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| GR01 | Patent grant |