Marine power supply stabilizing device

Abstract

The utility model relates to a marine power supply stabilizing device, which comprises a cabinet body, a power supply, a three-phase filter, a single-phase filter, a rectifier, an inverter and a copper bar, the three-phase filter is connected with three single-phase filters; the power supply, the three-phase filter, the single-phase filter, the rectifier and the inverter are all supported in the cabinet body through a fixing frame. The utility model has the advantages that: (1) a copper bar connecting structure is utilized, so that the power supply requirement of a bumpy environment on the sea is met, the electric connection is more stable, and the risk of poor contact is reduced; (2) more stable current can be obtained by adopting a mode of converting alternating current into direct current and then converting direct current into alternating current, so that a motor connected with the motor can operate stably;

Description

TECHNICAL FIELD

[0001] The utility model relates to ship power distribution equipment technical field, especially a marine power supply stabilizing device. BACKGROUND

[0002] Ship power supply is a complex and key system, which involves many aspects of the ship, including power source, power distribution device, power consumption regulation and safe operation, etc. The ship power distribution device is the core part of the ship power system, which is used for power supply of operation, emergency, life, etc. during sea navigation. Generally, the power output voltage is unstable, especially in the complex sea navigation environment, the power distribution cabinet is interfered by electromagnetic, which makes the motor input voltage and current of the operation equipment more unstable, seriously affecting the operation stability and precision of the operation equipment.

[0003] Therefore, in order to improve the power quality of the ship equipment, so that the operation equipment obtains more stable electric energy, it is necessary to further improve the structure of the marine power supply device. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a marine power supply stabilizing device, which can improve the power supply stability.

[0005] In order to achieve the above utility model purposes, the utility model provides a marine power supply stabilizing device, which comprises a cabinet, a power supply, a three-phase filter, a single-phase filter, a rectifier, an inverter and a copper bar, the power supply, the three-phase filter, the single-phase filter, the rectifier and the inverter are sequentially connected in the cabinet through the copper bar; the three-phase filter is connected with three single-phase filters.

[0006] The cabinet is provided with a connecting plate, the connecting plate is provided with a plurality of rows of fixing grooves, the cabinet is provided with a fixing frame, the fixing frame is connected on the connecting plate through a plurality of rows of fixing grooves, and the power supply, the three-phase filter, the single-phase filter, the rectifier and the inverter are all supported in the cabinet through the fixing frame.

[0007] As a further improvement of the utility model, the connecting plate is provided with the grooved terminal block through the fixing groove, and the copper bar is connected with the grooved terminal block.

[0008] As a further improvement of the utility model, the bottom of the cabinet is provided with a partition plate, the partition plate is provided with one or more than one threading port, and the threading port is connected with a baffle through a connecting rib.

[0009] The utility model discloses a marine power supply stabilizing device, the alternating current of power output is filtered harmonic through three -phase filter first, effectively attenuates the harmonic in 10KHz~30MHz frequency band, subsequent further eliminates the residual interference and harmonic in the single -phase power supply that is handled through three -phase filter through single -phase filter, ensures the smooth and safe of power supply, the alternating current of power output end is converted into more easily handled direct current after rectifier, then through inverter direct current is converted into alternating current, to the output more stable current.

[0010] The utility model discloses a marine power supply stabilizing device compared with prior art has the advantages of:

[0011] (1) utilize copper row connection structure, more in line with the power supply demand of the environment of offshore heaving, and the electric connection is more stable, reduces the risk of poor contact,

[0012] (2) adopt the mode of alternating current to direct current, and then direct current to alternating current can obtain more stable current, and ensure that the motor connected therewith can stably operate. DRAWINGS

[0013] Figure 1 It is a marine power supply stabilizing device structure schematic drawing of the utility model,

[0014] Figure 2 It is a connecting plate structure schematic drawing,

[0015] Figure 3 It is a partition plate structure schematic drawing. DETAILED DESCRIPTION

[0016] The specific implementation of the utility model is further explained in detail in combination with the drawings.

[0017] As Figures 1-2 Shown, the utility model discloses a marine power supply stabilizing device, including cabinet 1, power supply 2, three -phase filter 3, single -phase filter 4, rectifier 5, inverter 6 and copper row 7, power supply 2, three -phase filter 3, single -phase filter 4, rectifier 5 and inverter 6 are connected in cabinet 1 in proper order through copper row 7, three -phase filter 3 is connected with three single -phase filter 4,

[0018] As Figure 2 Shown, cabinet 1 is equipped with connecting plate 12, and connecting plate 12 is equipped with several rows of fixed slots 121, and cabinet 1 is equipped with fixed frame 11, and fixed frame 11 is connected on connecting plate 12 through several rows of fixed slots 121, and power supply 2, three -phase filter 3, single -phase filter 4, rectifier 5 and inverter 6 are all supported in cabinet 1 through fixed frame 11. It can select the fixed slot 121 of different position to adjust the position of fixed frame 11, thereby flexibly adjusting the connection position of each equipment.

[0019] The connecting plate 12 is provided with a slotted terminal block 71 through a fixing groove 121, the copper bar 7 is connected with the slotted terminal block 71, the connection stability of the copper bar 7 is enhanced, and the disconnection caused by the rocking environment of sea navigation is avoided. The slotted terminal block 71 can be flexibly changed in position of the copper bar 7 by selecting different positions of the fixing groove 121 according to the arrangement connection of the copper bar 7.

[0020] The utility model discloses a marine power supply stabilizing device, the output alternating current of power supply 2 first filters harmonic through three -phase filter 3, effectively attenuates the harmonic in 10KHz~30MHz frequency band, subsequently further eliminates the residual interference and harmonic in the single -phase power supply of through three -phase filter 3 processing through single -phase filter 4 and ensures the smooth and safe of power supply, rectifier 5 converts the alternating current of power supply 2 output end after filtering into more easily handled direct current, and then through inverter 6, direct current is inverted into alternating current, to output more stable current.

[0021] As shown in Figure 3 The bottom of the cabinet body 1 is provided with a partition plate 8, the partition plate 8 is provided with more than one threading port 81, the threading port 81 is connected with a baffle 82 through a connecting rib 83. When the equipment motor of the cabinet body 1 is connected, the connecting wire needs to be threaded out of the cabinet body 1, because the sealing requirement of the cabinet body 1 on sea navigation, when connecting, the connecting rib 83 at the threading port 81 needing to be connected can be broken, and the baffle 82 is opened, the threading port 81 not needing to be connected is blocked by the baffle 82, and the opening area of the partition plate 8 is reduced to a certain extent.

[0022] The above has carried out the specific description to the preferred embodiment of the utility model, but the utility model is not limited to the described embodiment, and the skilled person in the art can make various equivalent modifications or replacements without departing from the spirit of the utility model, and these equivalent modifications or replacements are all included in the range defined by the claims of the application.

Claims

1. A marine power supply stabilizing device characterized by comprising: The cabinet body, power supply, three-phase filter, single-phase filter, rectifier, inverter and copper bar are sequentially connected in the cabinet body through the copper bar; the three-phase filter is connected with three single-phase filters; The cabinet body is provided with a connecting plate provided with a plurality of rows of fixing grooves, and the cabinet body is provided with a fixing frame connected to the connecting plate through the fixing grooves, and the power supply, three-phase filter, single-phase filter, rectifier and inverter are all supported in the cabinet body through the fixing frame.

2. A marine power supply stabilizing device as claimed in claim 1, characterized in that The connecting plate is provided with a grooved terminal block through the fixing grooves, and the copper bar is connected with the grooved terminal block.

3. A marine power supply stabilizing device as claimed in claim 1, characterized in that The bottom of the cabinet body is provided with a partition plate provided with one or more than one wire passing port, and the wire passing port is connected with a baffle through a connecting rib.

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