CN214153599U

CN214153599U - Easily-assembled high-voltage electrical box

Info

Publication number: CN214153599U
Application number: CN202023165680.2U
Authority: CN
Inventors: 姜佳明; 郭雨杨; 彭大明
Original assignee: Delphi Electrical Centers Shanghai Co Ltd
Current assignee: Delphi Electrical Centers Shanghai Co Ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-09-07
Anticipated expiration: 2030-12-24

Abstract

The utility model relates to an easily assemble formula high-voltage electric box, including aluminum alloy base, aluminum alloy top cap, plastics mount pad, electron device, connector assembly and be used for connecting each electron device and connector assembly's metal busbar and wire, aluminum alloy top cap lid locate on the aluminum alloy base, aluminum alloy base on be equipped with the fixing base that is used for fixed mounting plastics mount pad, the bottom and the fixing base of plastics mount pad can dismantle fixed connection, the plastics mount pad on be equipped with the connecting piece that is used for installing electron device, electron device install on the plastics mount pad, aluminum alloy base's week side seted up the connector fixed orifices, each part of connector assembly locate on the connector fixed orifices. Compared with the prior art, the utility model discloses light in weight can use by a plurality of projects, changes use cost low, and usage space is little, and application scope is wide.

Description

Easily-assembled high-voltage electrical box

Technical Field

The utility model relates to a high-voltage electric box especially relates to an easily assemble formula high-voltage electric box.

Background

In recent years, the field of new energy automobiles is increasingly exploded, and more whole automobile factories begin to research, develop and manufacture new energy automobiles. The high-voltage electric box is a core component of a high-voltage electric/electronic system of the electric automobile, is used as a distribution center of battery energy in the aspect of automobile electricity, and provides current distribution control for a motor controller and electric accessories; the automobile electronic information processing center receives the state signals of the electronic devices and sends control signals to make corresponding reflection. Meanwhile, the electric box can provide current protection for a power battery of the electric automobile, and the safety of a power supply system of the electric automobile is effectively improved.

Different with traditional low voltage electric box, high voltage electric box is because the new emerging of new energy automobile's market and the different demands of whole car factory, and high voltage electric box's appearance and inside arrangement form are different, and the mounting structure of electron device need design the installation one by one according to different high voltage electric box when leading to production, and manufacturing cost is high, and production, design efficiency are low, and occupation space is big, weight is light inadequately.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an easily assemble formula high tension electricity box for overcoming the defect that above-mentioned prior art exists.

The purpose of the utility model can be realized through the following technical scheme:

the utility model provides an easily assemble formula high-voltage electric box, includes aluminum alloy base, aluminum alloy top cap, plastics mount pad, electron device, connector subassembly and is used for connecting metal busbar and the wire of each electron device and connector subassembly, aluminum alloy top cap lid locate the aluminum alloy base on, the aluminum alloy base on be equipped with the fixing base that is used for fixed mounting plastics mount pad, the bottom and the fixing base of plastics mount pad can dismantle fixed connection, the plastics mount pad on be equipped with the connecting piece that is used for installing electron device, electron device install on the plastics mount pad, the week side of aluminum alloy base seted up the connector fixed orifices, each part of connector subassembly locate on the connector fixed orifices.

Preferably, the connecting piece on the plastic mounting seat is a mounting bolt, and the electronic device is fixedly connected with the plastic mounting seat through the mounting bolt and a nut.

Preferably, the top week side of aluminum alloy base be equipped with a plurality of connection screw holes, the week side of aluminum alloy top cap be equipped with a plurality of connect the through-hole, electric box still include connecting bolt, connecting bolt pass connect the through-hole and connect the screw spiro union.

Preferably, the periphery of the connector fixing hole is provided with a connector fixing screw hole, the electrical box further comprises a connector bolt, and each part of the connector assembly is fixedly connected with the connector fixing hole through the connector bolt, the nut and the connector fixing screw hole.

Preferably, the connector assembly comprises a via connector, a low voltage connector and a plurality of high voltage connectors.

Preferably, the connector assembly comprises five high voltage connectors.

Preferably, the electronic device includes a relay and a plurality of fuses.

Preferably, the electronic device comprises three fuses.

Preferably, the electronic device further comprises a micro switch, and the micro switch is connected with the lead.

Preferably, the electrical box still include the sealing washer, the sealing washer locate between aluminum alloy base, aluminum alloy top cap.

Compared with the prior art, the utility model has the advantages of as follows:

(1) the utility model utilizes the universal plastic mounting seat to mount and fix the electronic devices in the electric box, has light weight, can be used in multiple projects, has low replacement and use cost and small use space, and improves the application range of the high-voltage electric box;

(2) the utility model discloses the micro-gap switch of high-voltage electric box and low pressure connector pencil assembly output safety signal, and high voltage power supply passes through external high-voltage connector and gets into the high-voltage electric box, realizes the distribution of electric current, and three fuses play overcurrent protection's effect, further improves the reliability of high-voltage electric box;

(3) the electronic device and the high-voltage electric loop in the high-voltage electric box are connected by the screw and the nut, so that the vibration requirement of high strength can be met, the connection strength is ensured, in addition, the plastic mounting seat is used as a carrier for mounting the electronic device, the insulation distance can be increased, and the safety requirement of high-voltage insulation is met;

(4) the utility model discloses an inside device arranges the compactness, utilizes inseparable electron device arrangement, effectively reduces the utility model discloses a high-voltage electric box's volume.

Drawings

Fig. 1 is a schematic diagram of the explosion structure of the present invention;

fig. 2 is a top view of the internal structure of the present invention;

FIG. 3 is a schematic structural view of the aluminum alloy base of the present invention;

fig. 4 is a schematic view of the overall structure of the present invention.

The novel high-voltage connector comprises an aluminum alloy top cover 1, an aluminum alloy top cover 2, a fuse 3, a low-voltage connector 4, a plastic mounting seat 5, a connecting screw hole 6, a connector bolt 7, a connector fixing hole 8, a sealing ring 9, a metal bus bar 10, a through hole connector 11, a high-voltage connector 12, a relay 13, an aluminum alloy base 14, a fixing seat 15 and a microswitch.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. Note that the following description of the embodiments is merely an example of the nature, and the present invention is not intended to limit the application or the use thereof, and the present invention is not limited to the following embodiments.

Examples

The utility model provides an easily assemble formula high-voltage electric box, as shown in fig. 1 ~ 4, including aluminum alloy base 13, aluminum alloy top cap 1, plastics mount pad 4, electronic device, connector assembly and the metal busbar 9 and the wire that are used for connecting each electronic device and connector assembly, aluminum alloy top cap 1 lid is located on aluminum alloy base 13, be equipped with the fixing base 14 that is used for fixed mounting plastics mount pad 4 on aluminum alloy base 13, fixed connection can be dismantled with fixing base 14 in the bottom of plastics mount pad 4, be equipped with the connecting piece that is used for installing electronic device on plastics mount pad 4, electronic device installs on plastics mount pad 4, connector fixed orifices 7 has been seted up to aluminum alloy base 13's week side, connector assembly's each part is located on connector fixed orifices 7.

Specifically, in order to facilitate the fixed installation of the electronic device, the connecting member on the plastic mounting base 4 is a mounting bolt, and the electronic device is fixedly connected with the plastic mounting base 4 through the mounting bolt and a nut.

In this embodiment, fixed connection can be dismantled with aluminum alloy top cap 1 to aluminum alloy base 13, specifically, the top week of aluminum alloy base 13 is equipped with a plurality of connection screw holes 5, and the week of aluminum alloy top cap 1 is equipped with a plurality of connect the via hole, and electric box still includes connecting bolt, and connecting bolt passes connect the via hole and connects 5 spiro unions of screw hole. Further, for improving the utility model discloses an electric box's leakproofness, electric box still include sealing washer 8, and aluminum alloy base 13, aluminum alloy top cap 1 are located to sealing washer 8 within a definite time.

In addition, in order to mount and fix each component of the connector assembly, a connector fixing screw hole is formed on the periphery of the connector fixing hole 7, the electric box further comprises a connector bolt 6, and each component of the connector assembly is fixedly connected with the connector fixing hole 7 through the connector bolt 6, a nut and the connector fixing screw hole.

In the present embodiment, specifically, as shown in fig. 1 to 4, the connector assembly includes a via connector 10, a low voltage connector 3, and a plurality of high voltage connectors 11. The connector assembly of the present embodiment comprises five high voltage connectors 11, wherein two of the high voltage connectors 11 are AK4 connectors and three of the high voltage connectors 11 are AK1 connectors. The electronic device comprises a relay 12 and a plurality of fuses 2, in the embodiment, the electronic device comprises one relay 12 and three fuses 2, the three fuses 2 are respectively a DC-DC fuse, an ECP fuse and a PTC fuse, and the three fuses 2 are respectively connected with three AK1 connectors. The electronic device further comprises a microswitch 15 for protecting the opening and closing of the electrical box, the microswitch 15 being connected to the conductor. In the present embodiment, in order to ensure the connection of each electronic device to the connector assembly, five metal bus bars 9 are provided as the electrical connection form shown in fig. 2.

The utility model discloses an aluminum alloy base 13 has embedded the required cooperation structure of wire installation, greatly reduced the cost of whole scheme, and made the mistake proofing and prevented changeing the design between aluminum alloy base 13, aluminum alloy top cap 1, convenient production and management and control. The plastic mounting seat 4 is injection-molded with screws required for mounting, and is designed to be error-proof, so that the mounting of internal components is facilitated. The miniature design, the weight of the shell is reduced, the shell is highly universal, multiple projects can be shared, and the cost is reduced. The low voltage connector 3 provides a signal connection. The high-voltage connector 11 provides connection of partial high-voltage input and output; the other input and output connections are connected through screws and nuts. The high voltage connector 11 and the low voltage connector 3 are connected to the internal electronics by wires. The internal wiring connections of the electrical box are mainly connected by metal busbars. The electronic devices select proper specifications according to the load requirements of customers, are reasonably arranged in the aluminum alloy base 13, facilitate the transmission of power from the input end to the output end, and save space at the same time. In the middle of each high-voltage electronic device, the reasonable design ensures sufficient relay clearance and creepage distance. The fastening and partial input and output of the devices in the electric box are connected through screws and nuts, so that the connection strength is ensured. The electric box controls the on-off of high-voltage current by sending a safety signal to the whole vehicle, and plays a role in current distribution. The whole vehicle controls the opening and closing of the quick charging relay through the low-voltage connector 3, and the on-off function of the quick charging loop is controlled. Meanwhile, the fuse 2 is arranged in the circuit board to provide overcurrent protection.

The utility model discloses during the installation, this high-voltage electric box comprises basic frame by aluminum alloy base 13, aluminum alloy top cap 1, installs plastics mount pad 4 and relay 12 earlier at aluminum alloy base 13, installs metal busbar 9 and fuse 2 on plastics mount pad 4 again to it is fixed with screw nut, assemble high-pressure connector 11, low pressure connector 3 at aluminum alloy base again, with the bolt fastening.

For the working principle of the high-voltage electrical box, during discharging, the microswitch 15 and the low-voltage connector 3 output a safety signal, and a high-voltage power supply enters the high-voltage electrical box through the externally-connected high-voltage connector 11 to realize current distribution. When charging, the whole vehicle controls the quick charging loop to be attracted through the low-voltage connector 3, and the charging function is realized. Wherein the fuse 2 on the loop can play the role of overcurrent protection.

The above embodiments are merely examples and do not limit the scope of the present invention. These embodiments may be implemented in other various manners, and various omissions, substitutions, and changes may be made without departing from the technical spirit of the present invention.

Claims

1. An easily assembled high-voltage electric box is characterized by comprising an aluminum alloy base (13), an aluminum alloy top cover (1), a plastic mounting seat (4), electronic devices, a connector assembly, a metal bus bar (9) and a lead, wherein the metal bus bar is used for connecting each electronic device with the connector assembly, the aluminum alloy top cover (1) is covered on the aluminum alloy base (13), the aluminum alloy base (13) is provided with a fixed seat (14) for fixedly installing the plastic installation seat (4), the bottom of the plastic mounting seat (4) is detachably and fixedly connected with the fixed seat (14), the plastic mounting seat (4) is provided with a connecting piece for mounting an electronic device, the electronic device is mounted on the plastic mounting seat (4), the connector assembly is characterized in that connector fixing holes (7) are formed in the periphery of the aluminum alloy base (13), and all parts of the connector assembly are arranged on the connector fixing holes (7).

2. The high-voltage electrical box easy to assemble according to claim 1, wherein the connecting member on the plastic mounting seat (4) is a mounting bolt, and the electronic device is fixedly connected with the plastic mounting seat (4) through the mounting bolt and the nut.

3. The easy-to-assemble high-voltage electrical box as claimed in claim 1, wherein the aluminum alloy base (13) has a plurality of connection screw holes (5) on the periphery of the top, the aluminum alloy top cover (1) has a plurality of connection through holes on the periphery, and the electrical box further comprises a connection bolt passing through the connection through holes to be screwed with the connection screw holes (5).

4. The easy-to-assemble high-voltage electrical box according to claim 1, wherein a connector fixing screw hole is formed on the periphery of the connector fixing hole (7), the electrical box further comprises a connector bolt (6), and each component of the connector assembly is fixedly connected with the connector fixing hole (7) through the connector bolt (6), a nut and the connector fixing screw hole.

5. An easily assembled high voltage electrical box according to claim 1, wherein the connector assembly comprises a via connector (10), a low voltage connector (3) and a plurality of high voltage connectors (11).

6. An easily assembled high voltage electrical box according to claim 5, wherein the connector assembly comprises five high voltage connectors (11).

7. An easily assembled high voltage electrical box according to claim 1, wherein the electronic components comprise a relay (12) and a plurality of fuses (2).

8. An easily assembled high voltage electrical box according to claim 7, wherein the electronic device comprises three fuses (2).

9. The high-voltage electrical box of claim 7, wherein the electronic device further comprises a micro switch (15), and the micro switch (15) is connected to the wire.

10. The high-voltage electrical box easy to assemble according to claim 1, further comprising a sealing ring (8), wherein the sealing ring (8) is disposed between the aluminum alloy base (13) and the aluminum alloy top cover (1).