A kind of automobile-used high voltage distribution box
Technical field
The utility model is related to the high voltage power supply technical field of new-energy automobile, more particularly to a kind of automobile-used high voltage power distribution
Box.
Background technology
In new-energy automobile electric system, high voltage power supply needs to be assigned to each high voltage electric device by high voltage distribution box
In, and realize by high voltage distribution box the circuit protection function of each electrical appliance.
Cast aluminium or metal plate housing, internal copper bar, component end are typically used in the high voltage distribution box of existing new-energy automobile
The connected mode of connector and cable.Existing this scheme can realize basic electrical connection, but exist and ask as follows
Topic:
1st, the connection between connector and copper bar needs to use ring terminal that cable crimps by way of playing bolt come real
Existing, this connected mode reliability is poor, and workman's manual operations easily causes error, is not suitable for producing in enormous quantities;
2nd, because the volume of connector is larger, cause high voltage distribution box overall structure size larger;
3rd, existing high voltage distribution box typically can integrated battery bag power-on and power-off control function even battery management system etc.
Function, but be due to the category that the partial function belongs to low tension, being arranged in simultaneously in high voltage distribution box with high-tension electricity has electromagnetism
The risk of interference;
4th, the circuit protection module of existing high voltage electric device is all concentrated on inside high voltage distribution box, is passed through during maintenance high-tension circuit
Often need to dismantle high voltage distribution box, or high pressure electric appliance box is uncapped, the problem of causing inconvenient maintenance.
Utility model content
Technical problem to be solved in the utility model is there is provided a kind of automobile-used high voltage distribution box, with more preferable dress
With property, integrated level and maintainability.
In order to solve the above technical problems, the utility model embodiment provides a kind of automobile-used high voltage distribution box, at least including height
Interlocking assembly, main cartridge, fool proof component, positive pole copper bar, negative pole copper bar and lower cover are pressed, wherein:
The main cartridge is the framework with four side outer walls, is separated into the space that the framework is surrounded by a laminate
Upper space and lower space, are provided with four groups of accommodating holes on the laminate, in the laminate towards the side of upper space
Extend four groups it is separate enclose shelves, each enclose has one group of accommodating hole in shelves;
Positive pole copper bar has four positive electrodes vertical with positive pole body, and the positive pole copper bar is arranged at the lower space
In, and its four positive electrodes are each passed through four groups of accommodating holes on the laminate;
The negative pole copper bar has four negative electrodes vertical with negative pole body, and the negative pole copper bar is arranged at the bottom
In space, and its four negative electrodes are each passed through four groups of accommodating holes on the laminate, the positive electrode in each group of accommodating hole
It is separated by a certain distance between negative electrode;
The lower cover is fixedly connected with the bottom of the side outer wall of main cartridge four, and closes the lower space;
Be provided with a fool proof component in each group of accommodating hole, the fool proof modular connector in the accommodating hole just
On electrode and negative electrode;
The high-voltage interlocking component is fixedly installed on the upper end of the side outer wall of main cartridge four and covers the top sky
Between.
Wherein, the laminate towards the side of lower space be formed with least one first spacer pin and at least one the
Two spacer pins;
The positive pole copper bar has the positive pole body of cross-shaped configuration, in four ends of the positive pole body respectively towards same
Side is vertically bent to form four positive electrodes;At least one is provided with the positive pole copper bar to be engaged with first spacer pin
The first spacing hole;
The negative pole copper bar has the negative pole body of sheet, is provided with and the negative pole in the negative pole body sidewall spacers
Four vertical negative electrodes of body;Be provided with the negative pole body at least one be engaged with second spacer pin second
Spacing hole.
Wherein, the fool proof component includes the first fool proof component and the second fool proof component;It is all provided with each fool proof component
It is equipped with the fool proof on multiple parallel fool proof pieces, and the slit for supplying positive electrode and negative electrode to pass through, the first fool proof component
Fool proof plate shape on piece and the second fool proof component, which exists in difference, the adjacent accommodating hole enclosed in shelves, is respectively adopted the first fool proof group
Part and the second fool proof component.
Wherein, it is fixed between the bottom of the lower cover and the side outer wall of the main cartridge four using fixing bolt,
And seal groove is provided with the bottom of the side outer wall of main cartridge four, it is built-in with sealing ring.
Wherein, the high-voltage interlocking component includes high-voltage interlocking cover plate and be arranged on the high-voltage interlocking cover plate two
Individual connector, is carried out between the high-voltage interlocking component and the main cartridge by least one fixing bolt with spring washer pad
It is fixed.
Wherein, each positive electrode enclosed in shelves and negative electrode are attached with a high-tension connector, by high-tension electricity
Distribute in each power device into automobile.
Implement the utility model, with following beneficial effect:
First, in the utility model, the wire harness inside high voltage distribution box is all substituted using copper bar, connection is improved
Reliability and simplified assemble flow, offer convenience to produce in enormous quantities;
Secondly, in the utility model, from the flat connector of vertical plug assembling(Positive electrode and negative electrode), make
High voltage distribution box inner space maximizes the use;
Meanwhile, in the utility model, high tension loop is only included in the high voltage distribution box, other low tension loops of battery bag do not have
It is arranged on inside block terminal, so as to avoid the risk of electromagnetic interference.
Moreover, being attached in the high-tension connector that high voltage distribution box is selected using bolt, the reliable of connection is improved
Property and the convenience of maintenance.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation of the one embodiment for automobile-used high voltage distribution box that the utility model is provided;
Fig. 2 is the positive structure schematic of main cartridge in Fig. 1;
Fig. 3 is the structural representation at another visual angle of main cartridge in Fig. 2;
Fig. 4 is the structural representation of positive pole copper bar in Fig. 1;
Fig. 5 is the structural representation of negative pole copper bar in Fig. 1;
Fig. 6 is the structural representation of the first fool proof component in Fig. 1;
Fig. 7 is the structural representation of the second fool proof component in Fig. 1;
Fig. 8 is the structural representation of sealing ring in Fig. 1;
Fig. 9 is the structural representation of Fig. 1 mesohigh interlocking assemblies;
Figure 10 is main cartridge and the structural representation after positive pole copper bar and the assembling of negative pole copper bar;
Figure 11 is the structural representation at Figure 10 another visual angle;
Figure 12 is the structural representation that the first fool proof component and the second fool proof component are assembled on the basis of Figure 11.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
As shown in figure 1, showing a kind of structure of the one embodiment for automobile-used high voltage distribution box that the utility model is provided
Schematic diagram.In this embodiment, the high pressure distribution that the automobile-used high voltage distribution box is used in new-energy automobile, in the lump with reference to Fig. 2 extremely
Shown in Figure 12.The automobile-used high voltage distribution box, at least including high-voltage interlocking component 1, main cartridge 2, fool proof component, positive pole copper bar 3, negative
Pole copper bar 4, sealing ring 8 and lower cover 5, wherein:
The main cartridge 2 is the framework with four side outer walls 20, the space for being surrounded the framework by a laminate 21
Upper space 22 and lower space 23 are separated into, four groups of accommodating holes 24 are provided with the laminate 21, in the court of laminate 21
To the side of upper space 22 extend four groups it is separate enclose shelves 220, each enclose has one group of accommodating hole 24 in shelves;Together
When, the laminate 21 towards the side of lower space 23 be formed with least one first spacer pin 210 and at least one second
Spacer pin 211;
Positive pole copper bar 3 has four positive electrodes 31 vertical with positive pole body 30, the positive pole copper bar 3 be arranged at it is described under
In portion space 23, and its four positive electrodes 31 are each passed through four groups of accommodating holes 24 on the laminate 21;Specifically, the positive pole
Copper bar 3 has the positive pole body 30 of cross-shaped configuration, vertically curved towards the same side respectively in four ends of the positive pole body 30
Folding forms four positive electrodes 31;Be provided with the positive pole copper bar 3 at least one be engaged with first spacer pin 210
One spacing hole 32;
The negative pole copper bar 4 has four negative electrodes 41 vertical with negative pole body 40, and the negative pole copper bar 4 is arranged at institute
State in lower space 23, and its four negative electrodes 41 are each passed through four groups of accommodating holes 24 on the laminate 21, in each group of appearance
Put and be separated by a certain distance between the positive electrode 31 in hole 24 and negative electrode 41;Specifically, the negative pole copper bar 4 has the negative of sheet
Pole body 40, four negative electrodes 41 vertical with the negative pole body are provided with the sidewall spacers of negative pole body 40;It is described
At least one second spacing hole 42 being engaged with second spacer pin 211 is provided with negative pole body 40;
The lower cover 5 is fixedly connected with the bottom of the side outer wall 20 of main cartridge 2 four, and closes the lower space
23;
A fool proof component is provided with each group of accommodating hole 24, the fool proof modular connector is in the accommodating hole 24
Positive electrode 31 and negative electrode 41 on;Specifically, the fool proof component includes the first fool proof component 6 and the second fool proof component
7;Be provided with each fool proof component multiple parallel fool proof pieces 60,70 and for positive electrode 31 and negative electrode 41 pass through it is narrow
Seam 61,71.There is difference in the shape of fool proof piece 60 on the fool proof component 7 of fool proof piece 60 and second on the first fool proof component 6,
The first fool proof component 6 and the second fool proof component 7 is respectively adopted in the adjacent accommodating hole 24 enclosed in shelves 220;For the ease of clear
Solve and show in two the first fool proof components 6, Fig. 7 and show in the structure of the first fool proof component 6 and the second fool proof component 7, Fig. 6
Two the second fool proof components 7.
Fixing bolt is used between the bottom of the side outer wall 20 of lower cover 5 and the main cartridge 2 four(It is not shown)Enter
Row is fixed, and is provided with seal groove 25 on the bottom of the side outer wall 20 of main cartridge 2 four, is built-in with sealing ring 8;
The high-voltage interlocking component 1 is fixedly installed on the upper end of the side outer wall 20 of main cartridge 2 four and covered on described
Portion space 22;Specifically, the high-voltage interlocking component 1 includes high-voltage interlocking cover plate 10 and is arranged at the high-voltage interlocking cover plate
Two connectors 11 on 10, by least one with spring washer pad between the high-voltage interlocking component 1 and the main cartridge 2
Fixing bolt(It is not shown)It is fixed, the fixing bolt with spring washer pad is at through hole 12 and in the main cartridge 2
Bolt column 26 at the heart is attached(Referring to shown in Fig. 9 and Figure 12).
Wherein, the structure of the above mentioned fixing bolt with spring washer pad and fixing bolt can be using ripe knot
Structure, herein without being described in detail.
It is understood that each positive electrode 31 enclosed in shelves 220 and negative electrode 41 enter with a high-tension connector 9
Row connection, each power device that high-tension electricity is distributed into automobile(Such as air-conditioning, battery, integrated combination power set IPU dresses
Put)In.
It is following to briefly explain assembling process of the present utility model for the ease of understanding the utility model:
In one embodiment, this high voltage distribution box is divided into two parts assembling, and high voltage distribution box Part I includes main casing
Body 2, the first fool proof component 6, the second fool proof component 7, positive pole copper bar 3, negative pole copper bar 4, sealing ring 8, lower cover 5, fixing bolt.
High voltage distribution box Part II includes high-voltage interlocking component 1 and the fixing bolt with spring washer pad.The following is high voltage distribution box
The assembling process of a part:
It is wherein general to manufacture positive pole copper bar 3 and negative pole copper bar 4 using using punching press and the technique being molded;By relative position
Positive pole copper bar 3 and negative pole copper bar 4, are fixed on main casing 2 by relation by four spacer pins.Wherein, two the first spacer pins
210 are used to fix positive pole copper bar 3, and two spacer pins 211 and 4 are used to fix negative pole copper bar 4;Structure such as Figure 10 institutes after assembling
Show.
Sealing ring 8 is placed on main casing 2 in corresponding seal groove 25.
Lower cover 5 and main casing 2 are closely connected with eight fixing bolts.
By four fool proof components(First fool proof component 6, the second fool proof component 7)Every group is inserted according to position set in advance
On positive and negative electrode.Wherein, the position of four groups of both positive and negative polarities can be found in shown in Figure 11;Wherein, the first fool proof component 6 and the second fool proof group
Part 7 is assemblied on different positions, and it is as follows that the structure after assembling can refer to Figure 12.
The following is the assembling process of high voltage distribution box Part II:
By the fixing bolt with spring washer pad, fixed high-voltage interlocking component 1 and high voltage distribution box first described above
Part.The high pressure electric appliance box assembled is arranged on the position that sets up an office in advance on vehicle, with bolt by the connection of associated high voltage wire harness
Device is assemblied in the high voltage interface of high voltage distribution box described above(I.e. every group is located at the positive and negative electrode enclosed in shelves 220)On, then
By fixing bolt of the high-voltage interlocking component 1 with spring washer pad, so that the high-tension electricity power distribution of whole new-energy automobile be returned
Road is connected.
Implement the utility model, with following beneficial effect:
First, in this practicality is newly done, the wire harness inside high voltage distribution box is all substituted using copper bar, connection is improved
Reliability and simplified assemble flow, offer convenience to produce in enormous quantities;
Secondly, in the utility model, from the flat connector of vertical plug assembling(Positive electrode and negative electrode), make
High voltage distribution box inner space maximizes the use;
Meanwhile, in the utility model, high tension loop is only included in the high voltage distribution box, other low tension loops of battery bag do not have
It is arranged on inside block terminal, so as to avoid the risk of electromagnetic interference.
Moreover, being attached in the high-tension connector that high voltage distribution box is selected using bolt, the reliable of connection is improved
Property and the convenience of maintenance;
Moreover, in some instances, high-voltage insurance is carried on the high-tension connector that high voltage distribution box is selected, it need to only pull down just
The replacing that can be insured, improves the maintenanceability of product.
Above disclosed is only a kind of preferred embodiment of the utility model, can not limit this practicality with this certainly
New interest field, therefore the equivalent variations made according to the utility model claim, still belong to what the utility model was covered
Scope.