CN205724436U - A kind of compact boats and ships direct current main distribution cabinet - Google Patents
A kind of compact boats and ships direct current main distribution cabinet Download PDFInfo
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- CN205724436U CN205724436U CN201620116655.XU CN201620116655U CN205724436U CN 205724436 U CN205724436 U CN 205724436U CN 201620116655 U CN201620116655 U CN 201620116655U CN 205724436 U CN205724436 U CN 205724436U
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- distribution cabinet
- cabinet
- direct current
- power distribution
- fuse protector
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Abstract
A kind of compact boats and ships direct current main distribution cabinet, including cabinet, two high-current fuse protector being connected with generating set and batteries respectively are set in cabinet, two high-current fuse protector being connected with the propulsion electric machine outside cabinet and high-power power distribution cabinet respectively, described four high-current fuse protector are all connected with dc bus.The utility model (1) the direct current main distribution cabinet using technique scheme uses high-current fuse protector to realize power distribution protection, saves power distribution cabinet device and takes up room；(2) the internal structure using layer-stepping of power distribution cabinet, the device that layout is more in less space, functional integration is high, and compact conformation substantially reduces power distribution cabinet size and volume；(3) Insulation monitoring technology is used, it is achieved that the online Insulation monitoring of distribution loop, beneficially power distribution system secure reliably runs.
Description
Technical field
The utility model relates to Ship Electrical Power System field, particularly relates to a kind of compact boats and ships direct current main distribution cabinet for the transmission of boats and ships direct current energy and distribution.
Background technology
In recent years, direct-flow distribution system research is of increasing concern, and generator sends electric energy and transmitted and distributed by DC distribution bus, each electricity consumption region or the direct power taking of load equipment, direct-flow distribution system, relative to alternating-current system, has saving space and advantage easy to control.Boats and ships main distribution cabinet is used for receiving generating set main power source, transmits main power source electric energy, and reasonable distribution gives each power supply area, and each feeder line is controlled, monitors and is protected.Generally, the switching device volumes such as boats and ships main distribution cabinet line electric current is big, frame-type circuit breaker are big, and power distribution cabinet needs to take larger space.
Utility model content
Based on above-mentioned shortcoming of the prior art; the technical problems to be solved in the utility model is to provide a kind of compact boats and ships direct current main distribution cabinet; it uses high-current fuse protector switching device to realize multiple power distribution protection; and power distribution cabinet implements multilayer layout structure; reduce power distribution cabinet volume, provide high density, safety and reliable distribution for marine vessel power.
The utility model is by the following technical solutions:
A kind of compact boats and ships direct current main distribution cabinet, including cabinet, two high-current fuse protector being connected with generating set and batteries respectively are set in cabinet, two high-current fuse protector being connected with the propulsion electric machine outside cabinet and high-power power distribution cabinet respectively, described four high-current fuse protector are all connected with dc bus.
Also include insulation detection device, described insulation detection device includes the transformer in Insulation monitoring main frame, locating module, communication module and access cabinet on feeder assembly, Insulation monitoring main frame is connected with locating module, communication module respectively, communication module is connected with locating module, insulating monitoring main frame is also connected with the end of incoming cables of generating set, and locating module is connected with transformer.
Described transformer is leakage current transformer or annular transformer.
It is provided with the public communication interface in outside supporting ModBus agreement on described communication module.
Described cabinet includes power distribution cabinet internal layer and openable activity inside door, busbar and switch installation board are installed on power distribution cabinet internal layer, breaker of plastic casing is installed on switch installation board, high-current fuse protector is connected on busbar, being provided with miniature circuit breaker and contactor on the outside of openable activity inside door, inner side arranges relay.
Described cabinet also includes control panel, and control panel is provided with indicating meter and button.
Described cabinet bottom is connected with damper, and bottom of cabinet bulk is provided with stuffing-box and connector.
The beneficial effects of the utility model: (1) direct current main distribution cabinet uses high-current fuse protector to realize power distribution protection, saves power distribution cabinet device and takes up room；(2) the internal structure using layer-stepping of power distribution cabinet, the device that layout is more in less space, functional integration is high, and compact conformation substantially reduces power distribution cabinet size and volume；(3) Insulation monitoring technology is used, it is achieved that the online Insulation monitoring of distribution loop, beneficially power distribution system secure reliably runs.
Brief description
Fig. 1 is direct current main distribution cabinet line chart.
Fig. 2 is Insulation Inspection System wiring diagram.
Fig. 3 is direct current main distribution cabinet cabinet ground floor internal layer layout.
Fig. 4 is outer side of door layout in the openable activity of direct current main distribution cabinet cabinet.
Fig. 5 is the inner side layout on direct current main distribution cabinet cabinet openable activity inside door top.
Fig. 6 is the inner side layout of direct current main distribution cabinet cabinet openable activity inside door bottom.
Fig. 7 is direct current main distribution cabinet cabinet control panel layout.
Fig. 8 is direct current main distribution cabinet bottom of cabinet bulk layout.
Fig. 9 is direct current main distribution cabinet cabinet top layout figure.
Detailed description of the invention
Below in conjunction with the accompanying drawings 1 ~ 9 and detailed description of the invention the utility model is described in further detail.
The utility model provides a kind of compact boats and ships direct current main distribution cabinet, and direct current main distribution cabinet is responsible for receiving boats and ships generating set and battery backup unit is powered, and is given each distribution Load transportation electric energy by dc bus.It includes cabinet; it is provided with four high-current fuse protector in cabinet; because main distribution cabinet is powered, inlet wire and feed load current are bigger; high-current fuse protector is selected to substitute frame-type circuit breaker; load end breaker can be fed with higher level's generator end breaker, subordinate and constitute multistage power distribution protection; avoid frame-type circuit breaker to reuse, save power distribution cabinet device and take up room.Two of which high-current fuse protector is connected with generating set and batteries respectively, and two other high-current fuse protector is connected with the propulsion electric machine outside cabinet and high-power power distribution cabinet respectively, and four high-current fuse protector are all connected with dc bus.
In FIG, four high-current fuse protector are respectively high-current fuse protector FU1, high-current fuse protector FU2, high-current fuse protector FU3, high-current fuse protector FU4, generating set and batteries feeder ear are equipped with circuit breaker Q 1 and circuit breaker Q 2, wherein high-current fuse protector FU1 is connected with generating set by generating set circuit breaker Q 2, high-current fuse protector FU2 is connected with batteries by batteries circuit breaker Q 1, select high-current fuse protector FU1 and high-current fuse protector FU2 as back-up protection under short circuit condition, under overload and short circuit condition, allow the first action of circuit breaker Q 1 and Q2.Main distribution cabinet feeder line propulsion electric machine and frequency converter control cabinet load end have selected high-current fuse protector FU3 to be connected with the high-power power distribution cabinet outside cabinet, high-current fuse protector FU4 is connected with propulsion electric machine by circuit breaker Q 5, then cascaded coordination protection is formed with upper level high-current fuse protector FU1 and high-current fuse protector FU2, before high-current fuse protector FU3 and the fusing of high-current fuse protector FU4, joule's heat energy should be less than high-current fuse protector FU1 and the total joule's heat energy of high-current fuse protector FU2 fusing, or rated current meets less than high-current fuse protector FU1 and high-current fuse protector FU2 rated current grade 2 grades, during in order to ensure to break down, next stage fuse first fuses.In addition, high-current fuse protector FU4 and next stage propulsion electric machine load break switch Q5 also form multi-stage protection, fuse time current curve is above circuit breaker tripping protection curve, and high-current fuse protector FU4 realizes that backup type transships and short-circuit protection.
As depicted in figs. 1 and 2, rack also sets up insulation detection device, insulation detection device includes Insulation monitoring main frame M1, locating module L1, leakage current transformer on feeder assembly QF1 ~ QF26 (or annular transformer) in communication module C1 and access cabinet, Insulation monitoring main frame M1 respectively with locating module L1, communication module C1 is connected and communicates, communication module C1 is connected with locating module L1, locating module L1 is connected with leakage current transformer, insulating monitoring main frame M1 is also connected with the end of incoming cables of generating set, it is connected to specifically between high-current fuse protector FU1 and generating set circuit breaker Q 2.Insulating monitoring main frame M1, locating module L1 use internal bus to be connected with communication module C1, positioning can be extended compared with multiloop, meanwhile, communication module also sets up the public communication interface in outside supporting Modbus agreement, it is possible to achieve multiple power distribution cabinet system many host groups Netcom news.When carrying out Insulation monitoring, insulation monitoring and warning device is injected low frequency small amplitude signal by Insulation monitoring main frame M1, locating module L1 is by through the mutual inductor coil measurement loop insulating resistance value on feeder assembly in cabinet, receive the resistance value recording by locating module, the resistance value receiving is compared by locating module with normal resistance value, identifies that fault loop obtains insulating resistance value simultaneously.
As it is shown on figure 3, locating module monitoring information is transferred to Insulation monitoring main frame M1 by communication module C1 internal bus.Each locating module L1 possesses 16 tunnel monitoring passages, and host module M1 self Ye You 16 road is monitored passage, can be met DC power distribution cabinet feeding circuit insulating monitoring number of channels requirement.Insulation fault can be reported to the police at local state by locating module fault contact (7-8) and host module fault contact (7-8), it is also possible to is transferred to long distance control system by communication module (C1) external communication bus RS485.
Distribution loop in view of rack each in system is many, and assembly ware is many, and cabinet structure has been designed with the compactedness method for designing of layered arrangement.Main distribution cabinet distribution loop is more, and electric current is relatively big, all uses the switching devices such as the breaker of plastic casing that volume is bigger and contactor, and main bus-bar uses double-deck superposition copper bar design, adds sectional area, improves current-carrying capacity；The second layer is openable activity inside door, and the more device of outside layout operation and lighter switching device, the secondary control loop devices such as relay are installed in inner side；Three layers of cabinet panel, panel installs operation button and instruction device.
Cabinet includes power distribution cabinet internal layer and openable activity inside door, it is provided with on power distribution cabinet internal layer, on busbar and switch installation board switch installation board, breaker of plastic casing is installed, busbar (above connects high-current fuse protector, being provided with miniature circuit breaker and contactor on the outside of openable activity inside door, inner side arranges relay.Specifically, as shown in Fig. 3 ~ 7, as a example by direct current main distribution cabinet, ground floor is power distribution cabinet innermost layer, busbar 1 is installed, switch installation board 2, high-current fuse protector FU1 ~ FU4 is installed on motherboard 1, breaker of plastic casing 3(i.e. QF1 ~ QF26 breaker is installed) on switch installation board 2, they are all that volume relatively greatly and operates less device, the second layer is openable activity inside door, the miniature circuit breaker 4 of interior outer side of door 5 layout small volume and contactor 6, inside door inside another 7 layouts have relay 8 grade secondary circuit element, third layer is power distribution cabinet panel 11, comprise indicating meter 9 and button 10 etc..Cabinet bottom arranges damper, as shown in Fig. 7 ~ 9, arranges damper 13 bottom power distribution cabinet, and power distribution cabinet top arranges the stuffing-box 14 being connected with service cable and acceptance or the connector 15 sending control signal.Power distribution cabinet stratified energy mechanism, has saved arrangement space, reduces power distribution cabinet volume.
Above example is that inventor thinks the rational implementation of comparison, does not all change the change of its circuit function implementation, the change of frame for movement profile to essence of the present invention, belongs to the row of the utility model protection.
Claims (7)
1. a compact boats and ships direct current main distribution cabinet, including cabinet, it is characterized in that: two high-current fuse protector being connected with generating set and batteries respectively are set in cabinet, two high-current fuse protector being connected with the propulsion electric machine outside cabinet and high-power power distribution cabinet respectively, described four high-current fuse protector are all connected with dc bus.
2. a kind of compact boats and ships direct current main distribution cabinet according to claim 1, it is characterized in that: also include insulation detection device, described insulation detection device includes the transformer in Insulation monitoring main frame, locating module, communication module and access cabinet on feeder assembly, Insulation monitoring main frame is connected with locating module, communication module respectively, communication module is connected with locating module, insulating monitoring main frame is also connected with the end of incoming cables of generating set, and locating module is connected with transformer.
3. a kind of compact boats and ships direct current main distribution cabinet according to claim 2, it is characterised in that: described transformer is leakage current transformer or annular transformer.
4. a kind of compact boats and ships direct current main distribution cabinet according to claim 2, it is characterised in that: it is provided with the public communication interface in outside supporting ModBus agreement on described communication module.
5. a kind of compact boats and ships direct current main distribution cabinet according to claim 1, it is characterized in that: described cabinet includes power distribution cabinet internal layer and openable activity inside door, busbar (1) and switch installation board (2) are installed on power distribution cabinet internal layer, breaker of plastic casing (3) is installed on switch installation board (2), busbar (1) is upper connects high-current fuse protector, being provided with miniature circuit breaker (4) and contactor (6) on the outside (5) of openable activity inside door, inner side arranges relay (8).
6. a kind of compact boats and ships direct current main distribution cabinet according to claim 5, it is characterised in that: described cabinet also includes control panel (11), and control panel (11) is provided with indicating meter (9) and button (10).
7. a kind of compact boats and ships direct current main distribution cabinet according to claim 6, it is characterised in that: described cabinet bottom is connected with damper (13), and bottom of cabinet bulk is provided with stuffing-box (14) and connector (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620116655.XU CN205724436U (en) | 2016-02-05 | 2016-02-05 | A kind of compact boats and ships direct current main distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620116655.XU CN205724436U (en) | 2016-02-05 | 2016-02-05 | A kind of compact boats and ships direct current main distribution cabinet |
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| Publication Number | Publication Date |
|---|---|
| CN205724436U true CN205724436U (en) | 2016-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620116655.XU Expired - Fee Related CN205724436U (en) | 2016-02-05 | 2016-02-05 | A kind of compact boats and ships direct current main distribution cabinet |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108023393A (en) * | 2017-11-16 | 2018-05-11 | 广新海事重工股份有限公司 | A kind of New Marine charging and conversion equipment |
| CN108362980A (en) * | 2017-11-16 | 2018-08-03 | 广新海事重工股份有限公司 | A kind of ship insulation against ground test box |
| CN111129967A (en) * | 2019-12-30 | 2020-05-08 | 西安中车永电电气有限公司 | Novel high-integration marine direct-current main distribution board |
-
2016
- 2016-02-05 CN CN201620116655.XU patent/CN205724436U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108023393A (en) * | 2017-11-16 | 2018-05-11 | 广新海事重工股份有限公司 | A kind of New Marine charging and conversion equipment |
| CN108362980A (en) * | 2017-11-16 | 2018-08-03 | 广新海事重工股份有限公司 | A kind of ship insulation against ground test box |
| CN111129967A (en) * | 2019-12-30 | 2020-05-08 | 西安中车永电电气有限公司 | Novel high-integration marine direct-current main distribution board |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170829 Address after: 450001 No. 311 science Avenue, hi tech Zone, Henan, Zhengzhou Patentee after: HAIWEI ZHENGZHOU HIGH TECHNOLOGY Co.,Ltd. Address before: Beijing Guangzhou road 450015 Henan city of Zhengzhou province No. 126 Patentee before: 713TH Research Institute OF CSIC |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161123 Termination date: 20220205 |