CN201303213Y - Power distribution structure for distribution box - Google Patents

Power distribution structure for distribution box Download PDF

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Publication number
CN201303213Y
CN201303213Y CNU2008201005074U CN200820100507U CN201303213Y CN 201303213 Y CN201303213 Y CN 201303213Y CN U2008201005074 U CNU2008201005074 U CN U2008201005074U CN 200820100507 U CN200820100507 U CN 200820100507U CN 201303213 Y CN201303213 Y CN 201303213Y
Authority
CN
China
Prior art keywords
power
copper bar
pin
power supply
safe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNU2008201005074U
Other languages
Chinese (zh)
Inventor
李志起
邓旷怡
高荣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Changan Automobile Co Ltd
Original Assignee
Chongqing Changan Automobile Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chongqing Changan Automobile Co Ltd filed Critical Chongqing Changan Automobile Co Ltd
Priority to CNU2008201005074U priority Critical patent/CN201303213Y/en
Application granted granted Critical
Publication of CN201303213Y publication Critical patent/CN201303213Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a distribution box. A main power source(the power source led out from the anode of a storage battery) is connected with one pin of a general safe and then is connected with an embedded copper bar through the other pin of the general safe; the power is distributed through the embedded copper bar and then the power is output from the other pin of the safe and the pin of a metal terminal of an external plug wire type plug-in piece through the pin of the safe connected with the copper bar; and at this time, the main power source is distributed by the copper bar, so the output power is low-power electric source. A power source IG1, a power source IG2 and a power source ACC enter the covering copper of a PCB board to supply power for a relay/ the safe through the arrangement of the covering copper on the PCB board; then the power runs through the interior of the relay/the safe and then is output to the covering copper from the other pin of the relay/the safe; and after that the power is output through the metal terminal and the pin of the external plug wire type plug-in piece , which are connected with the covering copper. In this way, secondary power distribution can be finished. The distribution box is small in occupying area and low in die opening cost; the wires are reasonably arranged; the distribution box requires less fixing sites; and the fixing sites are easy to select.

Description

A kind of block terminal power distribution structure
Technical field
The utility model belongs to the block terminal technical field, is specifically related to the power distribution system of block terminal inside.
Background technology
Power distribution system in the block terminal that uses on the automobile has three kinds usually at present, and a kind of is direct plug wire, three kinds of copper bar formula and PCB formulas, but on using, all there are different pluses and minuses.
1. direct plug wire
Directly the power distribution system structure of plug wire mainly is made up of the metal terminal of block terminal housing and line ball, and each loop is plugged on the block terminal by the metal terminal of wire harness and forms.Advantage is that cost is lower, keeps in repair easy.Shortcoming is that the main part structural change is many, the hook of access section is more, the die sinking complexity, in addition owing to be simply to be plugged on together, structure is fixing, so follow-up function is appended difficulty, space availability ratio is low, the logic function of electrical equipment realizes more loaded down with trivial details, and early stage harness portion and later stage block terminal operation inconvenience when installing.The scope of application: the high or low power circuit all is suitable for.
2. copper bar formula
The power distribution system structure of copper bar formula mainly is made up of block terminal housing and copper bar, and each loop directly connects by copper bar.Advantage is by rational copper bar setting, and trend can realize passing through of many high-power circuits, because the characteristic of copper bar itself, so stable by its circuit working that constitutes, the signal transmission is good.Shortcoming is that the copper bar in later stage moves towards to revise difficulty, so block terminal remodeling difficulty, function is appended also difficulty, and its manufacturing cost is also high in addition.
3.PCB it is board-like
The structure of the power distribution system of pcb board formula mainly is made up of block terminal housing and pcb board, and each circuit is connected with block terminal formation by the form of connector.Advantage is the block terminal good electric property, can satisfy low power circuit and use, need only the trend that copper is covered in change, simple installation when the later stage retrofits, shortcoming is owing to cover copper and hold and can't stand too big electric current, so big power circuit can not be realized the distribution of power supply by the mode of using pcb board.
General employing was two kinds when high or low power used simultaneously now:
One, only uses the copper bar formula
The problem that exists: the cost height, block terminal remodeling difficulty, function is appended also difficulty
Two, adopt composite type: directly plug wire/pcb board formula combines with the copper bar formula
The problem that exists: owing to used two safety boxs, so cost die sinking cost height, it is big to take up room in addition, needs a plurality of fixing points, and under the condition of limited of space, fixing point is not easy to choose, and the wire harness trend has some setbacks, and inconvenience is installed simultaneously, and is difficult in maintenance.
Summary of the invention
The purpose of this utility model is the deficiency that exists at prior art, and a kind of power distribution structure of new block terminal is provided, and the technical scheme that the utility model adopted is specific as follows:
A kind of block terminal power distribution structure in power pack, according to the size of power in the power distribution, is divided into high-power (one-level) power circuit part and small-power (secondary) power circuit part with the power unit in the power pack, it is characterized in that:
Described high-power (one-level) power circuit part direct plug wire of (see figure 1) utilization and the copper bar formula mode of connection.Main power line in the power pack (power line of drawing from the positive terminal of storage battery) is at first crossed total insurance and by embedded copper bar power supply is distributed, after distributing by the relay that links to each other with copper bar or insurance then, power supply output, thus a direct plug wire and the knockdown large power supply output of copper bar formed;
Described small-power (secondary) power circuit part (see figure 3) adopts the pcb board formula mode of connection, provides power supply output by the pcb board formula mode of connection to appropriate section from the power supply (one-level) of coming after direct plug wire and copper bar formula are distributed;
Described high-power (one-level) power circuit part is divided into two independent parts with described small-power (secondary) power circuit part, and these two parts are fixed by the fixed structure of each several part housing, thus the insurance distribution portion (see figure 4) that forms a whole.
The disclosed block terminal of the utility model fully utilizes the advantage of above-mentioned three kinds of power distribution forms, thereby realize that satisfying big or small electric current passes through, the integrated level height, remodeling, function is appended easily, and it is little to take up room, cost is low, wire harness trend rationally, fixing point is few, the novel block terminal structure of advantage such as chooses easily.
Description of drawings
Fig. 1 is direct plug wire and copper bar composite type wiring schematic diagram;
Fig. 2 is the knockdown internal structure schematic diagram of direct plug wire and copper bar;
Fig. 3 is a pcb board formula wiring schematic diagram;
Fig. 4 is high-power circuit part and the two-part combination schematic diagram of low-power circuit;
Fig. 5 is a whole structure schematic diagram of the present utility model.
Embodiment
Below in conjunction with Figure of description the technical solution of the utility model is further described.
Fig. 1 is direct plug wire and copper bar composite type wiring schematic diagram, main power source (power supply of drawing from the positive pole of storage battery) is connected with embedded copper bar 4 by total insurance 3 back of coming in, 4 pairs of power supplys of embedded copper bar distribute, and by first insurance 2 that links to each other with it, power supply is exported.1 is shell among the figure.
Fig. 2 is the knockdown internal structure schematic diagram of direct plug wire and copper bar, the pin of the power supply of drawing from the positive pole of storage battery and total insurance 3 is connected, another pin by total insurance 3 is connected with embedded copper bar 4 then, distribute by 4 pairs of power supplys of embedded copper bar, by the pin of the insurance 2 that links to each other with it, power supply carries out power supply output from the metal terminal pin of another pin of first insurance 2 and outside plug wire connector then.
Fig. 3 is a pcb board formula wiring schematic diagram, this power supply is small-power power (secondary distribution), that is: the power supply of process one-level distribution is by the pin that copper passes to relay/insurance 5 that covers on the double-deck pcb board 6, electric current is through relay/insurance 5 inside then, flow on the double-deck pcb board 6 at another pin from relay/insurance 5, electric current is by the copper that covers on double-deck pcb board 6 surfaces, by with cover the metal terminal pin 7 that copper links to each other and the pin of external circuit and connect, finish a power supply output.
Fig. 4 is high-power circuit part and the two-part combination schematic diagram of low-power circuit: main power source (power supply that the positive pole of storage battery is drawn) is connected with the pin of total insurance 3, another pin by total insurance 3 is connected with embedded copper bar 4 then, distribute by 4 pairs of power supplys of embedded copper bar, by first insurance, 2 the pin that links to each other with it, power supply carries out power supply output from the metal terminal pin of another pin of first insurance 2 and outside plug wire connector then.The distribution that the power supply of output this moment has passed through copper bar has become small-power power, IG1 wherein, IG2, the ACC power supply enters the copper that covers of double-deck pcb board 6, power supply is provided for the relay 5-1 and the second insurance 5-2 by the trend of covering copper on the double-deck pcb board 6, output to and cover copper from relay and another pin of insurance again by relay and insurance inside then, and then, finish the secondary power supply distribution by exporting with the pin that covers metal terminal that copper links to each other and outside plug wire connector.
Fig. 5 is a whole structure schematic diagram of the present utility model, form by two parts in the present safety box, a part is that the one-level of power supply is distributed, be direct plug wire above-mentioned and copper bar formula part A, another part is the secondary distribution of power supply, be pcb board formula part B above-mentioned, these two parts need link together now, the total shell 7 of plastics is used in the outside, at this moment just need direct plug wire and the housing 1 of copper bar formula part A and the housing of pcb board formula part B to be connected, these two housings link to each other by the fixed structure above it, are combined into present integral body.Housing is the plastics containment vessels, and itself only plays direct plug wire of protection and copper bar formula part and pcb board part, and with the function that is connected of other parts, do not participate in current cycle and power and export.Wire harness exports 8 and is meant that the output electric wire after promptly whole safety box power distribution is good exports with directly plug wire and copper bar formula part and pcb board formula part are to the outlet of the automobile low tension wire of grafting plug-in unit.9 are the mounting structure of whole safety box.

Claims (1)

1, a kind of block terminal power distribution structure in block terminal, according to the size of power in the power distribution, is divided into large power supply circuit part and small-power power circuit part with the power unit in the block terminal, it is characterized in that:
Described large power supply is that the one-level power circuit partly utilizes the direct plug wire and the copper bar formula mode of connection, the power line that main power line in the block terminal is promptly drawn from the positive terminal of storage battery is at first crossed total insurance and by embedded copper bar power supply is distributed, distributes back power supply output by relay and/or the insurance that links to each other with copper bar then;
Described small-power power is that the secondary power supply circuit part adopts the pcb board formula mode of connection, will provide power supply output by the pcb board formula mode of connection from the power supply of coming after direct plug wire and copper bar formula are distributed;
Described large power supply circuit part and described small-power power circuit part are two independent parts, and these two parts are fixed by the fixed structure of each several part housing, thus the insurance distribution portion that forms a whole.
CNU2008201005074U 2008-11-11 2008-11-11 Power distribution structure for distribution box Expired - Fee Related CN201303213Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008201005074U CN201303213Y (en) 2008-11-11 2008-11-11 Power distribution structure for distribution box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008201005074U CN201303213Y (en) 2008-11-11 2008-11-11 Power distribution structure for distribution box

Publications (1)

Publication Number Publication Date
CN201303213Y true CN201303213Y (en) 2009-09-02

Family

ID=41086842

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2008201005074U Expired - Fee Related CN201303213Y (en) 2008-11-11 2008-11-11 Power distribution structure for distribution box

Country Status (1)

Country Link
CN (1) CN201303213Y (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102470808A (en) * 2009-06-30 2012-05-23 丰田自动车株式会社 Junktion block for vehicle
US9673162B2 (en) 2012-09-13 2017-06-06 Nxp Usa, Inc. High power semiconductor package subsystems

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102470808A (en) * 2009-06-30 2012-05-23 丰田自动车株式会社 Junktion block for vehicle
CN102470808B (en) * 2009-06-30 2014-06-25 丰田自动车株式会社 Junktion block for vehicle
US9673162B2 (en) 2012-09-13 2017-06-06 Nxp Usa, Inc. High power semiconductor package subsystems

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090902

Termination date: 20121111