CN209683458U - A kind of high voltage distribution box suitable for new-energy automobile - Google Patents
A kind of high voltage distribution box suitable for new-energy automobile Download PDFInfo
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- CN209683458U CN209683458U CN201920256941.XU CN201920256941U CN209683458U CN 209683458 U CN209683458 U CN 209683458U CN 201920256941 U CN201920256941 U CN 201920256941U CN 209683458 U CN209683458 U CN 209683458U
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Abstract
The utility model discloses a kind of high voltage distribution boxes suitable for new-energy automobile, belong to New-energy electric vehicle technical field.It is simple to solve now traditional at present high-voltage cage general structure, inside arrangement is many and diverse, and positive and negative anodes region intersection is more, there are problems that electric current punch-through.Including cabinet and the case lid being arranged on cabinet, connection end interface is connected on cabinet；Connecting end interface includes the positive connectivity port of DC power supply, the connectivity port electric heating PTC, the negative connectivity port of DC power supply, charger connectivity port, air-conditioning connectivity port, the negative connectivity port of electric machine controller, the positive connectivity port of electric machine controller, low voltage control connectivity port and DC voltage conversion port；The inside of cabinet includes control unit, short-circuit protection unit and power distribution unit, and insulated mounting plate is equipped in cabinet, and the upper layer of insulated mounting plate is arranged in positive confluence copper bar, and the lower layer of insulated mounting plate is arranged in cathode confluence copper bar.
Description
Technical field
The utility model relates to New-energy electric vehicle technical fields, more particularly to a kind of to be suitable for new energy
The high voltage distribution box of automobile.
Background technique
New-energy automobile mainly passes through car running computer control, is discharged by battery pack, and the energy of whole process, which leads to high pressure, matches
Electric box carries out transfer and transmission, high voltage distribution box receive the instruction of car running computer, is controlled by outer low pressure control loop high
The on-off for pressing box internal relay makes corresponding movement by the signal relay that low voltage control inputs, by battery input
High-voltage dc voltage is according to the design circuit of high-voltage cage by electric machine controller, air-conditioning, charger, dc voltage changer (DC/
DC), a series of high voltage component such as electric heating links together.Now high-voltage cage general structure traditional at present is simple, internal cloth
Set it is many and diverse, positive and negative anodes region intersect it is more, there are electric current punch-throughs, and there are security risks.
Utility model content
Traditional high-voltage cage general structure is simple at present in order to solve now, and inside arrangement is many and diverse, positive and negative anodes region intersect compared with
More, there are electric current punch-throughs, there are problems that security risk, and the utility model provides a kind of height suitable for new-energy automobile
Press block terminal.
To achieve the goals above, the utility model uses following technical scheme:
A kind of high voltage distribution box suitable for new-energy automobile, including cabinet and the case lid being arranged on cabinet, the case
Connection end interface is connected on body；The connection end interface include the positive connectivity port of DC power supply, the connectivity port electric heating PTC,
The negative connectivity port of DC power supply, charger connectivity port, air-conditioning connectivity port, the negative connectivity port of electric machine controller, motor control
The positive connectivity port of device, low voltage control connectivity port and DC voltage conversion port；
The inside of the cabinet includes control unit, short-circuit protection unit and power distribution unit, installation in the cabinet
There is insulated mounting plate, the power distribution unit includes positive confluence copper bar and cathode confluence copper bar, the anode confluence copper bar
The upper layer of insulated mounting plate is set, and the lower layer of insulated mounting plate, the short-circuit protection unit packet is arranged in cathode confluence copper bar
It includes and is mounted on insulated mounting plate upper layer and first fuse that wherein one end is connect with positive confluence copper bar respectively, the second fusing
Device, third fuse and the 4th fuse；
The positive connectivity port of DC power supply is connect with one end of positive confluence copper bar, the other end and motor of positive confluence copper bar
The connection of controller anode port, the other end of first fuse are connect with the anode of DC voltage conversion port, second fuse
The anode of the other end and air-conditioning connectivity port connect, third fuse is connect with the positive of the connectivity port electric heating PTC, the 4th
Fuse is connect with the anode of charger connectivity port；
The negative connectivity port of DC power supply is connect with one end of cathode confluence copper bar, and the other end of cathode confluence copper bar leads to respectively
Cross the negative connectivity port of cathode, DC power supply, the cathode of charger connectivity port, air-conditioning of conducting wire and the connectivity port electric heating PTC
The negative connectivity port of cathode, electric machine controller of connectivity port is connected with the cathode of DC voltage conversion port.Described control unit
Including PTC relay；The low voltage control connectivity port is connected with PTC relay.
Further, the cathode contact of the PTC relay is connect with third fuse, the cathode contact of PTC relay
It is connect with the anode of the connectivity port electric heating PTC.
Further, the positive confluence copper bar includes the first positive confluence copper bar and the second positive confluence copper bar, and the
The input terminal of one positive confluence copper bar is in the lower layer of insulated mounting plate, and the output end of the first positive confluence copper bar is in insulated mounting plate
Upper layer, the input terminal of the second positive confluence copper bar converges copper on the upper layer of insulated mounting plate, and by terminal and the first anode
The output end of row is connected, the lower layer of the input terminal of the second positive confluence copper bar in insulated mounting plate.
Further, the case lid is equipped with wire casing, and the silicon rubber for sealed platform cover and cabinet is equipped in the wire casing
Sealing strip, the case lid are fastened on cabinet by fixing bolt.
The utility model has the beneficial effect that compared with prior art
(1) the utility model reduce high voltage power distribution cartridge volume, by described control unit, short-circuit protection unit and
Power distribution unit.While realizing the control of high-voltage great-current energy source, short circuit when to main line overload is also acted
The function of protection effectively increases the reliability and safety of electric automobile high-voltage electric control system.
By reasonable Arrangement high-voltage cage internal structure, after calculating minimum safe electric clearance, by all components and electrically
Element heights Integrated design, to reduce overall volume, then according to the electrical schematic diagram of customer requirement, minute design can
Meet client's use, and accomplished high integration design, mitigates overall weight, reduce the effect of overall volume.
(2) the utility model has good waterproof and dustproof effect, suitable for severe use environment, also has electromagnetic screen
The effect of covering.Using plug/socket to the connector and the connector that can reach IP67 degree of protection after inserting from band connection screen
The structure covered.
(3) it assembles rationally, positive and negative anodes have been carried out layered shaping by box house, and to effectively increase electric automobile high-voltage electrical
The reliability and safety of control system, production cost are low.This high-voltage cage arranges the components of excessively positive electrode current/electrical component
On upper layer, components/electrical component design and layout of cathodal current are crossed in lower layer, positive/negative current cross are avoided, to increase
Big positive/negative current electrical gap, avoids electric current punch-through, enhances product safety reliability.
(4) power distribution is reasonable, can substantially reduce the loss of power.Internal structure arrangement is reasonable, the original provided according to client
Reason figure is designed, and electric current is effectively transferred to each electrical component by internal structure.
Detailed description of the invention
Fig. 1 is that a kind of high voltage distribution box suitable for new-energy automobile of the utility model removes the top view of case lid；
Fig. 2 is a kind of left view of high voltage distribution box suitable for new-energy automobile of the utility model；
Fig. 3 is a kind of right view of high voltage distribution box suitable for new-energy automobile of the utility model；
Fig. 4 is that a kind of high voltage distribution box suitable for new-energy automobile of the utility model removes the structure of case lid and cabinet
Schematic diagram.
Marked in the figure: 1- cabinet, the positive confluence copper bar of 2- first, 3- insulated mounting plate, the positive confluence copper bar of 4- second, 5-
Low voltage control connectivity port, 6- first fuse, 7- second fuse, 8- third fuse, the 4th fuse of 9-, 10- pipe connect
Head, 11- electric heating PTC, 12-PTC relay, 13- cathode confluence copper bar, the positive connectivity port of 14- DC power supply, 15- electric heating
The connectivity port PTC, the negative connectivity port of 16- DC power supply, 17- charger connectivity port, 18- air-conditioning connectivity port, 19- motor control
The negative connectivity port of device processed, the positive connectivity port of 20- electric machine controller, 21- DC voltage conversion port, 22- case lid.
Specific embodiment
Below with reference to embodiment, the utility model will be further described, and described embodiment is only that this is practical new
Type a part of the embodiment is not whole embodiment.Based on the embodiments of the present invention, the ordinary skill people of this field
Member's other embodiments used obtained without making creative work, belong to the protection model of the utility model
It encloses.
Embodiment 1:
As shown in Figure 1, a kind of high voltage distribution box suitable for new-energy automobile, including cabinet 1 and setting are on cabinet 1
Case lid 22, the case lid 22 is equipped with wire casing, is equipped in the wire casing close for the silicon rubber of sealed platform cover 22 and cabinet 1
Strip of paper used for sealing, the case lid 22 are fastened on cabinet 1 by fixing bolt.Connecting pin is connected with by pipe fitting 10 on the cabinet 1
Interface；The connection end interface includes the positive connectivity port 14 of DC power supply, the connectivity port electric heating PTC 15, the negative company of DC power supply
Connect port 16, charger connectivity port 17, air-conditioning connectivity port 18, the negative connectivity port 19 of electric machine controller, electric machine controller just
Connectivity port 20, low voltage control connectivity port 5 and DC voltage conversion port 21.
The inside of the cabinet 1 includes control unit, short-circuit protection unit and power distribution unit, peace in the cabinet 1
Equipped with insulated mounting plate 3, described control unit includes PTC relay 12, the low voltage control connectivity port and PTC relay 12
It is connected.PTC relay 12 is mounted in the fixing groove opened up among insulated mounting plate 3, the cathode contact of PTC relay 12 with
Third fuse 8 connects, and the cathode contact of PTC relay 12 is connect with the anode of the connectivity port electric heating PTC 15.The electricity
Source allocation unit includes positive confluence copper bar and cathode confluence copper bar 13, and the anode confluence copper bar is arranged in insulated mounting plate 3
Upper layer, cathode confluence copper bar 13 is arranged in the lower layer of insulated mounting plate 3, and the short-circuit protection unit includes being mounted on insulation peace
First fuse 6 that 3 upper layer of loading board and wherein one end are connect with positive confluence copper bar respectively, second fuse 7, third fuse
8 and the 4th fuse 9.What the electric heating PTC11, charger, air-conditioning, low voltage control and DC voltage of the utility model were converted
Positive and negative anodes are respectively in the connectivity port electric heating PTC 15, charger connectivity port 17, air-conditioning connectivity port 18, low voltage control connection
In port 5 and DC voltage conversion port 21.
As shown in Figures 2 and 3, the positive connectivity port 14 of DC power supply and one end of positive confluence copper bar is passed through through high-voltage wiring harness to connect
It connects, the other end of positive confluence copper bar is connect with electric machine controller anode port, the other end and DC voltage of first fuse 6
The anode connection of conversion port 21, the other end of second fuse 7 are connect with the anode of air-conditioning connectivity port 18, third fusing
Device 8 is connect with the anode of the connectivity port electric heating PTC 15, and the 4th fuse 9 is connect with the anode of charger connectivity port 17.
The anode passes through the positive connectivity port 14 of DC power supply through high-voltage wiring harness and connect with positive confluence copper bar, positive confluence copper bar
By current distributing to electric machine controller anode port, DC voltage conversion port 21 is branched to by first fuse 6, by
Two fuses 7 branch to air-conditioning connectivity port 18, branch to the connectivity port electric heating PTC 15 by third fuse 8, pass through
4th fuse 9 branches to charger connectivity port 17.
The negative connectivity port 16 of DC power supply is connect with one end of cathode confluence copper bar 13, the other end of cathode confluence copper bar 13
Pass through the negative connectivity port 16 of cathode, DC power supply, the charger connectivity port 17 of conducting wire and the connectivity port electric heating PTC 15 respectively
Cathode, air-conditioning connectivity port 18 cathode, electric machine controller negative connectivity port 19 and DC voltage conversion port 21 cathode
It is connected.
As shown in figure 4, the anode confluence copper bar includes the first positive confluence copper bar 2 and the second positive confluence copper bar 4,
And first positive confluence copper bar 2 input terminal in the lower layer of insulated mounting plate 3, the output end of the first positive confluence copper bar 2 is exhausted
The upper layer of edge mounting plate 3, the input terminal of the second positive confluence copper bar 4 pass through terminal and first on the upper layer of insulated mounting plate 3
The output end of positive confluence copper bar 2 is connected, the lower layer of the input terminal of the second positive confluence copper bar 4 in insulated mounting plate 3.Anode converges
Stream copper bar include the first positive confluence copper bar 2 and the second positive confluence copper bar 4 be from the processing technology of positive confluence copper bar and
It is accounted in terms of processing cost, because positive confluence copper bar is anisotropic approach on the whole, if be processed and formed at one time to mould
Tool requires relatively high, and production cost is caused to increase.
Electric automobile high-voltage block terminal described in the utility model, including sheet metal box body 1 include metal plate case lid 22 on cabinet 1.
Waterproof and dustproof is achieved the effect that by silicone rubber seal gasket extrusion deformation between the block terminal cabinet 1 and case lid 22.It is described
It include control unit, short-circuit protection unit and power distribution unit inside block terminal；Described control unit includes PTC relay
12；The short-circuit protection unit includes branch, short-circuit protector and main line short-circuit protector.The battery pack cathode power supply input
It is connected to high voltage distribution box with electric machine controller, charger, compressor, electric heating PTC11, dc voltage changer.The height
, there is low voltage control connectivity port 5 in voltage source distributor disk end face, for exporting 12 low-voltage control signal of PTC relay to battery
Management system.
(1) the utility model reduce high voltage power distribution cartridge volume, by described control unit, short-circuit protection unit and
Power distribution unit.While realizing the control of high-voltage great-current energy source, short circuit when to main line overload is also acted
The function of protection effectively increases the reliability and safety of electric automobile high-voltage electric control system.
By reasonable Arrangement high-voltage cage internal structure, after calculating minimum safe electric clearance, by all components and electrically
Element heights Integrated design, to reduce overall volume, then according to the electrical schematic diagram of customer requirement, minute design can
Meet client's use, and accomplished high integration design, mitigates overall weight, reduce the effect of overall volume.
(2) the utility model has good waterproof and dustproof effect, suitable for severe use environment, also has electromagnetic screen
The effect of covering.Using plug/socket to the connector and the connector that can reach IP67 degree of protection after inserting from band connection screen
The structure covered.
(3) it assembles rationally, positive and negative anodes have been carried out layered shaping inside cabinet 1, and to effectively increase electric automobile high-voltage electrical
The reliability and safety of control system, production cost are low.This high-voltage cage arranges the components of excessively positive electrode current/electrical component
Cloth crosses components/electrical component design and layout of cathodal current in lower layer, avoids positive/negative current cross on upper layer, from
And increase positive/negative current electrical gap, electric current punch-through is avoided, product safety reliability is enhanced.
(4) power distribution is reasonable, can substantially reduce the loss of power.Internal structure arrangement is reasonable, the original provided according to client
Reason figure is designed, and electric current is effectively transferred to each electrical component by internal structure.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (4)
1. a kind of high voltage distribution box suitable for new-energy automobile, it is characterised in that: including cabinet (1) and be arranged in cabinet (1)
On case lid (22), be connected with connection end interface on the cabinet (1)；The connection end interface includes the positive connecting pin of DC power supply
Mouth (14), the connectivity port electric heating PTC (15), the negative connectivity port of DC power supply (16), charger connectivity port (17), air-conditioning connect
Connect port (18), the negative connectivity port of electric machine controller (19), the positive connectivity port of electric machine controller (20), low voltage control connectivity port
(5) and DC voltage conversion port (21)；
The inside of the cabinet (1) includes control unit, short-circuit protection unit and power distribution unit, peace in the cabinet (1)
Equipped with insulated mounting plate (3), the power distribution unit includes positive confluence copper bar and cathode confluence copper bar (13), the anode
The lower layer in insulated mounting plate (3) is arranged in the upper layer of insulated mounting plate (3), cathode confluence copper bar (13) in confluence copper bar setting,
The short-circuit protection unit includes being mounted on insulated mounting plate (3) upper layer and wherein one end is connect with positive confluence copper bar respectively
First fuse (6), second fuse (7), third fuse (8) and the 4th fuse (9)；
The positive connectivity port of DC power supply (14) is connect with one end of positive confluence copper bar, the other end and motor of positive confluence copper bar
The connection of controller anode port, the other end of first fuse (6) are connect with the anode of DC voltage conversion port (21), and second
The other end of fuse (7) is connect with the anode of air-conditioning connectivity port (18), the other end of third fuse (8) and electric heating
The anode connection of the connectivity port PTC (15), the other end of the 4th fuse (9) and the anode of charger connectivity port (17) connect
It connects；
The negative connectivity port of DC power supply (16) is connect with one end of cathode confluence copper bar (13), cathode confluence copper bar (13) it is another
End is connect by conducting wire with the negative connectivity port of cathode, DC power supply (16) of the connectivity port electric heating PTC (15), charger respectively
The cathode of port (17), the negative connectivity port of cathode, electric machine controller (19) of air-conditioning connectivity port (18) and DC voltage conversion
The cathode of port (21) is connected；
Described control unit includes PTC relay (12)；The low voltage control connectivity port (5) is connected with PTC relay (12).
2. a kind of high voltage distribution box suitable for new-energy automobile according to claim 1, it is characterised in that: the PTC
The cathode contact of relay (12) is connect with third fuse (8), and the cathode contact and electric heating PTC of PTC relay (12) connect
Connect the anode connection of port (15).
3. a kind of high voltage distribution box suitable for new-energy automobile according to claim 2, it is characterised in that: the anode
Confluence copper bar includes the first positive confluence copper bar (2) and the second positive confluence copper bar (4), and the first anode confluence copper bar (2)
Input terminal insulated mounting plate (3) lower layer, the output end of the first positive confluence copper bar (2) on the upper layer of insulated mounting plate (3),
The input terminal of second positive confluence copper bar (4) passes through terminal and the first positive confluence copper bar on the upper layer of insulated mounting plate (3)
(2) output end is connected, the lower layer of the input terminal of the second positive confluence copper bar (4) in insulated mounting plate (3).
4. a kind of high voltage distribution box suitable for new-energy automobile according to claim 1 to 3, it is characterised in that: institute
Case lid (22) are stated equipped with wire casing, the interior silastic sealing strip being equipped with for sealed platform cover (22) and cabinet (1) of the wire casing, institute
Case lid (22) is stated to be fastened on cabinet (1) by fixing bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920256941.XU CN209683458U (en) | 2019-02-28 | 2019-02-28 | A kind of high voltage distribution box suitable for new-energy automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920256941.XU CN209683458U (en) | 2019-02-28 | 2019-02-28 | A kind of high voltage distribution box suitable for new-energy automobile |
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| Publication Number | Publication Date |
|---|---|
| CN209683458U true CN209683458U (en) | 2019-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920256941.XU Active CN209683458U (en) | 2019-02-28 | 2019-02-28 | A kind of high voltage distribution box suitable for new-energy automobile |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112635883A (en) * | 2020-11-27 | 2021-04-09 | 北京未来智酷汽车科技有限公司 | New energy automobile battery package |
| CN112955344A (en) * | 2020-07-06 | 2021-06-11 | 深圳欣锐科技股份有限公司 | High-voltage power distribution module and high-voltage electric control assembly |
| FR3117282A1 (en) | 2020-12-08 | 2022-06-10 | Alstom Transport Technologies | High voltage connection device for transport vehicle, in particular railway vehicle, vehicle body and vehicle comprising such a device |
-
2019
- 2019-02-28 CN CN201920256941.XU patent/CN209683458U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112955344A (en) * | 2020-07-06 | 2021-06-11 | 深圳欣锐科技股份有限公司 | High-voltage power distribution module and high-voltage electric control assembly |
| WO2022006705A1 (en) * | 2020-07-06 | 2022-01-13 | 深圳欣锐科技股份有限公司 | High-voltage power distribution module and high-voltage power control assembly |
| CN112635883A (en) * | 2020-11-27 | 2021-04-09 | 北京未来智酷汽车科技有限公司 | New energy automobile battery package |
| CN112635883B (en) * | 2020-11-27 | 2022-10-11 | 北京未来智酷汽车科技有限公司 | New energy automobile battery package |
| FR3117282A1 (en) | 2020-12-08 | 2022-06-10 | Alstom Transport Technologies | High voltage connection device for transport vehicle, in particular railway vehicle, vehicle body and vehicle comprising such a device |
| EP4011744A1 (en) | 2020-12-08 | 2022-06-15 | ALSTOM Transport Technologies | High-voltage connection device for a transport vehicle, in particular a railway vehicle, vehicle body and vehicle comprising such a device |
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