CN210245965U - High-voltage distribution box and high-voltage distribution box - Google Patents
High-voltage distribution box and high-voltage distribution box Download PDFInfo
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- CN210245965U CN210245965U CN201921070282.7U CN201921070282U CN210245965U CN 210245965 U CN210245965 U CN 210245965U CN 201921070282 U CN201921070282 U CN 201921070282U CN 210245965 U CN210245965 U CN 210245965U
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- voltage distribution
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- 238000009826 distribution Methods 0.000 title claims abstract description 108
- 238000009434 installation Methods 0.000 claims description 6
- 230000017525 heat dissipation Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 239000008358 core component Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a high-voltage distribution box, which comprises a shell, wherein the shell is of a hollow structure, the hollow structure forms an accommodating cavity for storing high-voltage devices, and the corresponding positions of two opposite sides of the shell are respectively provided with a convex card and a clamping groove which are matched in a concave-convex manner; the high-voltage distribution box of the utility model can be stored in the battery pack in a dispersed or combined way, so that the space in the battery pack is utilized to the maximum extent, and all high-voltage devices can be stored in the corresponding high-voltage distribution box, thereby preventing the high-voltage devices from being scattered and installed in the battery pack and effectively improving the safety of the electric vehicle; the utility model also discloses a high voltage distribution box of having above-mentioned high voltage distribution box.
Description
Technical Field
The utility model relates to a power battery technical field especially relates to a high voltage distribution box and have high voltage distribution box of this high voltage distribution box.
Background
The power battery is one of the core components of the electric vehicle and provides a power source for the normal operation of the electric vehicle. Wherein, in the majority passenger car or commercial car, be provided with high-voltage device in power battery's the battery package, the tradition way is direct to be naked scattering setting with each high-voltage device in the battery package, and naked high-voltage device has the electric leakage risk, and its electric leakage risk leads to the electric motor car all to have latent electric leakage risk in whole life cycle, uses the potential safety hazard that brings not neglected for the safety and stability of electric motor car. The existing method is to arrange an in-box high-voltage box in the electric vehicle and arrange a high-voltage device in the in-box high-voltage box so as to isolate the direct contact between the high-voltage device and the external environment, thereby avoiding electric leakage.
However, since the inner spaces of the battery packs of the electric vehicles of different models are different and the inner spaces of most of the battery packs are not regularly arranged, the in-box high voltage boxes of different shapes are arranged according to the battery packs of different models to store high voltage devices, which undoubtedly increases the production cost greatly. In addition, if all the high-voltage devices are integrated in the same in-box high-voltage box, the in-box high-voltage box is required to have a large size, and most of the battery packs have limited internal spaces and cannot accommodate the in-box high-voltage box with the large size, so that part of the high-voltage devices can only be exposed and scattered at vacant positions in the battery packs, the exposed high-voltage devices still have a leakage risk, and the potential safety hazard is still buried for normal use of the electric vehicle.
Therefore, there is a need for a high voltage distribution box and a high voltage distribution box having the same to overcome the above-mentioned drawbacks.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high voltage distribution box, the reasonable size that sets up high voltage distribution box makes it can disperse or make up and deposit in the battery package to the space in the battery package is utilized to the maximize, makes all high-voltage device homoenergetic deposit in corresponding high voltage distribution box, thereby avoids high-voltage device to scatter and installs in the battery package, effectively promotes the security of electric motor car.
The utility model discloses a high voltage distribution box, reasonable size that sets up high voltage distribution box makes it can disperse or make up and deposit in the battery package to the space in the battery package is utilized to the maximize, makes all high-voltage device homoenergetic deposit in corresponding high voltage distribution box, thereby avoids high-voltage device to scatter and installs in the battery package, effectively promotes the security of electric motor car.
In order to purposefully in the realization, the utility model discloses a high voltage distribution box, it includes the casing, the casing is hollow structure, hollow structure forms the chamber of acceping that is used for depositing the high-voltage device, the double-phase offside correspondence position of casing is equipped with protruding and the draw-in groove of unsmooth complex card respectively.
Preferably, each of the two opposite sides has at least two locking protrusions or locking grooves, or at least one locking protrusion and locking groove.
Preferably, the clamping protrusion is in a wedge shape, and the clamping groove is matched with the clamping protrusion in a wedge shape.
Preferably, the locking groove extends in a vertical direction and penetrates through a side wall of the housing.
Preferably, the housing extends outward to form a boss, the clamping protrusion is arranged on the boss, and an external installation space for installing the device is formed between the boss and the adjacent side wall.
Specifically, the high-voltage device comprises a pre-charging resistor and a relay, wherein the pre-charging resistor is installed in the external installation space, and the relay is installed in the accommodating cavity.
Preferably, the high-voltage devices installed in the high-voltage distribution box are homopolar devices.
Preferably, the high-voltage device includes a pre-charge resistor, a pre-charge relay and an anode relay, the pre-charge resistor and the pre-charge relay are connected in series to form a pre-charge circuit, two ends of the pre-charge circuit are respectively connected to two ends of the anode relay, one end of the anode relay is used for connecting an anode of the battery pack, and the other end of the anode relay is used for connecting an anode of the load.
Preferably, the high-voltage device comprises a shunt and a negative relay which are connected in series, wherein one end of the shunt is used for connecting with the negative electrode of the battery pack, and one end of the negative relay is used for connecting with the negative electrode of the load.
Specifically, the shunt and the negative electrode relay are respectively arranged in the accommodating cavity.
Preferably, the housing is further provided with heat dissipation holes, and the accommodating cavity is communicated with the external environment through the heat dissipation holes.
Correspondingly, the utility model also discloses a high voltage distribution box, it includes two at least high-voltage distribution box, high voltage distribution box as above, adjacent two the protruding draw-in groove/card of the card in one among the high voltage distribution box mutually supports in order to form the integral type structure with draw-in groove/card in another.
Preferably, the high-voltage device in one of the high-voltage distribution boxes is a positive polarity device, and the high-voltage device in the other high-voltage distribution box is a negative polarity device.
Compared with the prior art, the two opposite side corresponding positions of the high-voltage distribution box are respectively provided with the convex clamping part and the clamping groove which are matched in a concave-convex mode, so that the adjacent high-voltage distribution boxes can be flexibly assembled, when the available space in the battery pack is rich, two or more high-voltage distribution boxes can be assembled together through the corresponding convex clamping parts and the corresponding clamping grooves, and the high-voltage distribution boxes are arranged in the battery pack in an integrated structure; when available space in the battery package is comparatively scattered, can install high-voltage distribution box in the battery package alone to effectively utilize the scattered available space of battery package, avoid being unable to deposit all high-voltage device through same high-voltage distribution box because of the space in the battery package is not enough, avoid being the electric leakage that the scattering that exposes and install in the battery package and cause because of high-voltage device, effectively promote the security of electric motor car.
Drawings
Fig. 1 is the structural schematic diagram of the high-voltage distribution box of the present invention.
Fig. 2 is a top view of fig. 1 with the cover removed.
Fig. 3 is the connection schematic diagram of the high voltage distribution box, the battery pack and the load of the present invention.
Fig. 4 is the top view of the positive high voltage distribution box after the upper cover is removed.
Fig. 5 is a circuit block diagram of the high-voltage device of the positive high-voltage distribution box of the present invention.
Fig. 6 is a plan view of the negative high-voltage distribution box of the present invention after the upper cover is removed.
Fig. 7 is a circuit block diagram of the high-voltage device of the negative high-voltage distribution box of the present invention.
Detailed Description
In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the following description is given in conjunction with the embodiments and the accompanying drawings.
Referring to fig. 1-3, the high voltage distribution box 1000 of the present embodiment includes two high voltage distribution boxes 100, wherein the positive terminal of the battery pack 6 is connected to the positive terminal input terminal 101 of one high voltage distribution box 100, the corresponding positive terminal output terminal 102 of the high voltage distribution box 100 is connected to the positive terminal of the load 7, the negative terminal of the battery pack 6 is connected to the negative terminal input terminal 103 of the other high voltage distribution box 100, and the corresponding negative terminal output terminal 104 of the high voltage distribution box 100 is connected to the negative terminal of the load 7, because the voltage of the battery pack 6 is higher, the battery pack 6 is indirectly connected to the load 7 through the high voltage distribution box 1000, so as to prevent the high voltage of the battery pack 6 from being directly connected to the load 7 to generate.
The high voltage distribution box 100 includes a housing 10, and the housing 10 has a hollow structure forming a receiving cavity for storing high voltage devices. The corresponding positions of two opposite sides of the housing 10 are respectively provided with a convex card 11 and a concave card 12 which are matched with each other in a concave-convex manner, so that the single high-voltage distribution box 100 forms a combined splicing structure. Preferably, each of the two opposite sides has at least two protrusions 11 or slots 12, or at least one protrusion 11 or slot 12, respectively, when the same high voltage distribution box 100 has a plurality of protrusions 11 and slots 12, the splicing structure of the high voltage distribution box 1000 formed by splicing the two high voltage distribution boxes 100 is more stable, and when the same high voltage distribution box 100 has a single protrusion 11 and slot 12, the assembly and splicing of the two high voltage distribution boxes 100 are more facilitated. The number of the locking projections 11 and the locking slots 12 of the same high-voltage distribution box 100 is selected according to actual needs, and is not limited herein.
Specifically, one side wall of the housing 10 protrudes to form a snap 11, the other side wall of the housing 10 opposite to the snap 11 forms a snap 12, the snap 12 and the snap 11 are mutually matched, and the snap 11/the snap 12 of one of the two adjacent high-voltage distribution boxes 100 is mutually matched with the snap 12/the snap 11 of the other one to form an integrated structure. The size of the individual high voltage distribution box 100 is sized such that the high voltage distribution box 100 can store both the corresponding high voltage devices and be separately and discretely installed in discrete spaces within the battery pack 6.
When the available space in the battery pack 6 is abundant, the clamping protrusion 11 of one high-voltage distribution box 100 is inserted into the clamping groove 12 of another high-voltage distribution box 100, so that the two adjacent high-voltage distribution boxes 100 are combined to form the high-voltage distribution box 1000 with an integrated structure, and the high-voltage distribution box 100 can be fixed in the battery pack 6 by installing the high-voltage distribution box 1000 in the battery pack 6. When available space in the battery package 6 is comparatively scattered, can install two high-voltage distribution box 100 in battery package 6 different positions separately, dispersedly respectively, in order to be fixed in battery package 6's the corresponding position of split type structure with two high-voltage distribution box 100, thereby the space in the make full use of battery package 6, make the high voltage distribution box 1000 of this embodiment can use in the great battery package 6 of size, also can use in the less battery package 6 of size, and high adaptability, the use scene is more extensive.
It should be noted that, the conventional battery pack 6 generally only has positive and negative interfaces, and therefore, only two high-voltage distribution boxes 100 are needed to meet the connection requirement of the positive and negative interfaces. In some special cases, such as when a plurality of interfaces remain in the battery pack 6, the high voltage distribution box 1000 needs to be equipped with a plurality of high voltage distribution boxes 100 to meet the interface requirements, so the number of the high voltage distribution boxes 100 is not limited herein. In addition, the high voltage distribution box 100 may be electrically connected to the battery pack 6 and the load 7 by providing corresponding interfaces or leads, which are not described herein.
Referring to fig. 1-4, the snap-fit projection 11 of the present embodiment is wedge-shaped, and the snap-fit groove 12 and the snap-fit projection 11 are matched in a wedge-shaped manner, and the snap-fit projection 11 and the snap-fit groove 12 form a wedge-shaped matching structure. Because the wedge-shaped matching structure is stable in connection, the high-voltage distribution boxes 100 connected through the wedge-shaped matching structure are not easy to separate, the phenomenon that the two high-voltage distribution boxes 100 are accidentally separated due to frequent vibration of the electric vehicle in the advancing process is avoided, the high-voltage device is prevented from frequently swinging along with the jolt of the electric vehicle, and the service life of the high-voltage device is effectively prolonged.
Further, the card slot 12 extends along the vertical direction and penetrates through the side wall of the housing 10, preferably, the card slot 12 extends along the vertical direction and penetrates through the bottom of the side wall of the housing 10, the extending of the card slot 12 facilitates the alignment of the two high-voltage power distribution boxes 100, and the card slot 12 penetrates through the bottom of the side wall of the housing 10, so that the card protrusion 11 can only withdraw from the bottom of the card slot 12 to be matched with the card slot 12. Specifically, after the housing 10 is fixedly mounted on the battery pack 6, the locking protrusion 11 needs to slide along the locking groove 12 to the bottom end to unlock the matching with the locking groove 12. Of course, the card slot 12 may also extend in a vertical direction and respectively penetrate through the bottom and the top of the side wall of the housing 10, so that the card protrusion 11 can be withdrawn from the bottom or the top of the card slot 12 to be matched with the card slot 12, which is not limited herein. Furthermore, the housing 10 is further provided with heat dissipation holes 14, and the accommodating cavity is communicated with the external environment through the heat dissipation holes 14, so that the air in the accommodating cavity is more circulated, heat dissipation of the high-voltage device stored in the accommodating cavity is more facilitated, and damage of the high-voltage device due to overhigh temperature is avoided.
It should be noted that the card slot 12 may also extend through the side wall of the housing 10 along different directions, and at this time, the setting angle of the card protrusion 11 needs to be adjusted correspondingly to ensure that the two high-voltage distribution boxes 100 are assembled together in an aligned manner, so the specific setting directions of the card slot 12 and the card protrusion 11 are not limited herein.
Referring to fig. 1 to 7, the high-voltage devices installed in the high-voltage distribution box 100 are homopolar devices, and it can be known from the whole package electrical principle that the high-voltage devices on the same polarity side need to be integrated in the same high-voltage distribution box 100 to satisfy the electrical safety, so that the two high-voltage distribution boxes 100 of the present embodiment need to store the high-voltage devices with the corresponding polarities respectively. For convenience of description, in the present embodiment, the high voltage distribution box 100 storing the high voltage device having the positive polarity is referred to as a positive high voltage distribution box 100a, and the high voltage distribution box 100 storing the high voltage device having the negative polarity is referred to as a negative high voltage distribution box 100 b. The positive and negative high voltage distribution boxes 100a and 100b are described in detail below, respectively:
referring to fig. 1-5, the positive high-voltage device of the present embodiment includes a pre-charge resistor 1, a pre-charge relay 2 and a positive relay 3, the pre-charge resistor 1 and the pre-charge relay 2 are connected in series to form a pre-charge circuit, two ends of the pre-charge circuit are respectively connected to two ends of the positive relay 3, one end of the positive relay 3 is used for connecting to the positive electrode of the battery pack 6, that is, the end is a positive input end 101, and the other end of the positive relay 3 is used for connecting to the positive electrode of the load 7, that is, the end is a positive output end 102. The pre-charging relay 2 and the positive relay 3 are respectively disposed in the accommodating cavity to prevent the pre-charging relay 2 and the positive relay 3 from being exposed in the battery pack 6.
Because the pre-charging resistor 1 generates heat greatly, in order to avoid that the normal operation of the relay is affected due to excessive heat generation of the pre-charging resistor 1, the bottom cover of the housing 10 of the embodiment extends outwards to form the boss 13, the snap boss 11 is arranged on the boss 13, an external installation space for installing a device is formed between the boss 13 and an adjacent side wall, the pre-charging resistor 1 is installed in the external installation space, specifically, on the adjacent side wall of the boss 13, at this moment, the pre-charging resistor 1 is located above the boss 13, and the lower part of the pre-charging resistor 1 is partially shielded by the boss 13, so that the damage of the pre-charging resistor 1 due to direct collision in the installation process.
Referring to fig. 1-3, 6 and 7, the negative high voltage device of the present embodiment includes a shunt 4 and a negative relay 5 connected in series, where one end of the shunt 4 is used to connect to the negative electrode of the battery pack 6, that is, the end is a negative input terminal 103, and one end of the negative relay 5 is used to connect to the negative electrode of the load 7, that is, the end is a negative output terminal 104. The shunt 4 and the negative relay 5 are respectively disposed in the accommodating cavity of the negative high voltage distribution box 100b to prevent the shunt 4 and the negative relay 5 from being exposed in the battery pack 6.
As shown in fig. 1 to 7, the two opposite side corresponding positions of the high voltage distribution box 100 of the present invention are respectively provided with the convex clamping portions 11 and the concave clamping grooves 12, so that the adjacent high voltage distribution boxes 100 can be flexibly assembled, when there is a sufficient space in the battery pack 6, two or more high voltage distribution boxes 100 can be assembled together through the corresponding convex clamping portions 11 and the corresponding concave clamping grooves 12, and installed in the battery pack 6 in an integrated structure; when available space in the battery pack 6 is comparatively scattered, can install high voltage distribution box 100 in battery pack 6 alone to effectively utilize the scattered available space of battery pack 6, avoid being unable to deposit all high-voltage devices through same high voltage distribution box 100 because of the space in the battery pack 6 is not enough, avoid being the electric leakage that the falling that exposes and install in battery pack 6 and cause because of high-voltage device, effectively promote the security of electric motor car.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, therefore, the invention is not limited thereto.
Claims (13)
1. A high voltage distribution box, characterized by: the high-voltage device storage device comprises a shell, wherein the shell is of a hollow structure, the hollow structure forms an accommodating cavity for storing a high-voltage device, and the corresponding positions of the two opposite sides of the shell are respectively provided with a clamping protrusion and a clamping groove which are matched in a concave-convex mode.
2. The high voltage distribution box of claim 1, wherein: each of the two opposite sides is provided with at least two clamping protrusions or clamping grooves respectively, or at least one clamping protrusion and at least one clamping groove respectively.
3. The high voltage distribution box of claim 1, wherein: the clamping protrusion is in a wedge shape, and the clamping groove is matched with the clamping protrusion in a wedge shape.
4. The high voltage distribution box of claim 1, wherein: the clamping groove extends in the vertical direction and penetrates through the side wall of the shell.
5. The high voltage distribution box of claim 1, wherein: the shell extends outwards to form a boss, the clamping protrusion is arranged on the boss, and an external installation space for installing devices is formed between the boss and the adjacent side wall.
6. The high voltage distribution box of claim 5, wherein: the high-voltage device comprises a pre-charging resistor and a relay, the pre-charging resistor is installed in the external installation space, and the relay is installed in the accommodating cavity.
7. The high voltage distribution box of claim 1, wherein: the high-voltage devices arranged in the high-voltage distribution box are homopolar devices.
8. The high voltage distribution box of claim 1, wherein: the high-voltage device comprises a pre-charging resistor, a pre-charging relay and an anode relay, wherein the pre-charging resistor and the pre-charging relay are connected in series to form a pre-charging circuit, two ends of the pre-charging circuit are respectively connected with two ends of the anode relay, one end of the anode relay is used for connecting the anode of a battery pack, and the other end of the anode relay is used for connecting the anode of a load.
9. The high voltage distribution box of claim 1, wherein: the high-voltage device comprises a shunt and a negative electrode relay which are connected in series, one end of the shunt is used for being connected with the negative electrode of the battery pack, and one end of the negative electrode relay is used for being connected with the negative electrode of a load.
10. The high voltage distribution box of claim 9, wherein: the shunt and the negative relay are respectively arranged in the accommodating cavity.
11. The high voltage distribution box of claim 1, wherein: the casing has still seted up the louvre, it passes through to accept the chamber the external environment of louvre intercommunication.
12. The utility model provides a high voltage distribution box which characterized in that: comprising at least two high voltage distribution boxes according to any of claims 1-11, the tabs/slots of one of two adjacent high voltage distribution boxes cooperating with the slots/tabs of the other to form a unitary structure.
13. The high voltage distribution box of claim 12, wherein: the high-voltage device in one of the high-voltage distribution boxes is a positive polarity device, and the high-voltage device in the other high-voltage distribution box is a negative polarity device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921070282.7U CN210245965U (en) | 2019-07-09 | 2019-07-09 | High-voltage distribution box and high-voltage distribution box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921070282.7U CN210245965U (en) | 2019-07-09 | 2019-07-09 | High-voltage distribution box and high-voltage distribution box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210245965U true CN210245965U (en) | 2020-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921070282.7U Active CN210245965U (en) | 2019-07-09 | 2019-07-09 | High-voltage distribution box and high-voltage distribution box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210245965U (en) |
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2019
- 2019-07-09 CN CN201921070282.7U patent/CN210245965U/en active Active
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220216 Address after: 215500 No. 68, Xin'anjiang Road, Southeast street, Changshu, Suzhou, Jiangsu Patentee after: Jiangsu Zenergy Battery Technologies Co.,ltd Address before: 210000 249 Lantian Road, Airport Economic Development Zone, Jiangning District, Nanjing City, Jiangsu Province Patentee before: JIANGSU TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. Patentee before: DONGGUAN TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. Patentee before: SHENZHEN TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 215500 No. 68, Xin'anjiang Road, Southeast street, Changshu, Suzhou, Jiangsu Patentee after: Jiangsu Zhengli New Energy Battery Technology Co.,Ltd. Country or region after: China Address before: 215500 No. 68, Xin'anjiang Road, Southeast street, Changshu, Suzhou, Jiangsu Patentee before: Jiangsu Zenergy Battery Technologies Co.,ltd Country or region before: China |