Power distribution electric appliance box

By introducing a structure in which the PSS pyrotechnic control switch is connected in parallel with the fuse module in the fuse box, the problem of the existing fuse box being unable to quickly cut off the power supply in the event of a fault is solved, realizing rapid power-off and safety protection, and improving the safety and reliability of the circuit.

CN223757489UActive Publication Date: 2026-01-02SHANGHAI KUNWEN CONNECTOR SYST CO LTD
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Patent Information

Application Number
CN202520112440.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-17
Publication Date
2026-01-02
Estimated Expiration
2035-01-17

AI Technical Summary

Technical Problem

Existing fuse boxes and distribution boxes cannot quickly cut off power in the event of collisions, short circuits, overcurrent, or other safety faults, posing a safety hazard.

Method used

A structure including a distribution electrical box body, a fuse module, and a PSS pyrotechnic control switch was designed. The fuse module and the PSS pyrotechnic control switch are connected in parallel by bolts, and the PSS pyrotechnic control switch is used to quickly disconnect the power supply in case of failure.

Benefits of technology

It enables power to be cut off in a short time, reduces the risk of accidents, improves the safety and reliability of the circuit, and can judge the protection current in real time according to the working conditions, thus solving the safety contradiction of traditional distribution boxes in the event of a fault.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a power distribution electric appliance box, which comprises a distribution electric appliance box main body, safety modules and a PSS smoke and fire control switch, the distribution electric appliance box main body is of a rectangular box body structure, a plurality of bolts are preassembled in the distribution electric appliance box main body, and the plurality of safety modules and the PSS smoke and fire control switch are connected in the distribution electric appliance box main body through the bolts. And the plurality of safety modules are connected in parallel with the PSS smoke and fire control switch. Compared with a traditional power distribution box, the power distribution box with the structure is additionally provided with the PSS smoke and fire control switch, the connection of the battery power supply and the main electric appliance box is realized through the BUSBAR / PSS switch connection, and when collision, short circuit, overcurrent or other safety faults occur, the power supply can be cut off in a very short time, so that the probability of danger occurrence is reduced.
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Description

TECHNICAL FIELD

[0001] The application belongs to the field of automobile fuse box structure, and relates to a power distribution electrical box. BACKGROUND

[0002] The electric vehicle enters a high-speed development stage, and the penetration rate is higher and higher. Consumers have more and more functional requirements, and pay more and more attention to the safety performance of the automobile. The electric vehicle with a high-voltage battery needs to prevent high-voltage leakage or power failure in an emergency to avoid secondary disasters in traffic accidents and failures. The fuse can safely and instantaneously shut down the high-voltage current, thereby ensuring the safety of the wires and electrical appliances in the circuit. The best carrier of the fuse is the fuse box. The existing fuse box distribution electrical box can meet the needs of normal work, but has the defect that when a collision, short circuit, overcurrent or other safety failure occurs, the power supply cannot be quickly cut off, and danger may occur. CONTENT OF THE UTILITY MODEL

[0003] In order to solve the above problems, the utility model provides a power distribution electrical box.

[0004] The utility model solves its technical problem and is implemented by the following technical scheme:

[0005] A power distribution electrical box, characterized in that it comprises a distribution electrical box main body, a fuse module and a PSS pyrotechnic control switch. The distribution electrical box main body is a rectangular box body structure. A plurality of bolts are preinstalled in the distribution electrical box main body. A plurality of fuse modules and a PSS pyrotechnic control switch are connected to the distribution electrical box main body by the bolts. The plurality of fuse modules are connected in parallel with the PSS pyrotechnic control switch.

[0006] Furthermore, four grooves for installing cables during use are uniformly and spacedly arranged at one end of the distribution electrical box main body in the transverse direction. Four end bolts capable of externally connecting wires are correspondingly arranged in the distribution electrical box main body on one side of the four grooves.

[0007] Furthermore, one end bolt is connected to a first conductive sheet, and the other end of the first conductive sheet is connected to the PSS pyrotechnic control switch. The other three end bolts are respectively connected to two MIDI fuse modules and one MEGA fuse module. The other ends of the two MIDI fuse modules and the one MEGA fuse module are connected to a second conductive sheet, and the second conductive sheet is connected to the PSS pyrotechnic control switch.

[0008] Furthermore, the power distribution electrical box is connected by the bolt and nut fastening mode.

[0009] Furthermore, the two MIDI fuse modules are fastened in the distribution electrical box main body by M6 nuts, and the MEGA fuse module and the PSS pyrotechnic control switch are fastened in the distribution electrical box main body by M8 nuts.

[0010] The utility model discloses the advantages and positive effects are:

[0011] 1, the power distribution box of this structure has increased PSS fireworks control switch compared to traditional power distribution box, and the connection of battery power supply and main electric appliance box is realized through the connection of BUSBAR / PSS switch, when collision, short circuit, overcurrent or other safety faults occur, it can cut off power supply in very short time, and the probability of reducing danger occurrence.

[0012] 2, the power distribution box of this structure can determine whether starting protection according to the real-time judgment of working condition, can solve the contradictory situation between working current and protection current. It has the advantages of high development value, strong practicality, safety and reliability. DRAWINGS

[0013] In order to more clearly illustrate the technical scheme of the utility model, the following will be to the embodiment description needed to use the drawing briefly introduced, obviously, the following description in the drawing is only some embodiments of the utility model, for those skilled in the art, under the premise of not paying creative labor, other drawings can also be obtained according to these drawings.

[0014] Figure 1 It is the main view of the structure.

[0015] Figure 2 It is the explosion diagram of the structure.

[0016] The mark in the drawing indicates: 1, distribution electric appliance box main body;2, PSS fireworks control switch;3, first conducting sheet;4, second conducting sheet;5, MIDI fuse;6, MEGA fuse;7, M8 nut;8, M6 nut;9, bolt. DETAILED DESCRIPTION

[0017] In order to make the structure and advantages of the utility model more clearly, the following will be to the structure of the utility model further described with the drawings. The vertical direction, horizontal direction, horizontal direction, front end, rear end and the like in the embodiment are all relative position descriptions, and the actual direction of the product is not limited.

[0018] A power distribution electric appliance box, as shown in the drawings, Figure 1 、 2 As shown, it comprises distribution electric appliance box main body 1, fuse module and PSS fireworks control switch 2, distribution electric appliance box main body 1 is rectangular box body structure, according to the need of installation, multiple bolts 9 are preinstalled in distribution electric appliance box main body 1,

[0019] Four grooves for installing cable when using are evenly arranged at the transverse end of distribution electric appliance box main body 1, and four end bolts 9 capable of externally connecting wires are correspondingly arranged in the side of distribution electric appliance box main body 1 of four grooves.

[0020] The distribution electrical appliance box body 1 is connected with a plurality of insurance modules and a PSS pyrotechnic control switch 2, the plurality of insurance modules are connected with the PSS pyrotechnic control switch 2, when collision, short circuit, overcurrent or other safety faults occur, the PSS pyrotechnic control switch 2 is quickly disconnected, and all the insurance modules are simultaneously powered off.

[0021] The specific structure of the embodiment is shown in the accompanying drawings Figure 1 One end bolt 9 is connected with the first conductive sheet 3 (BUSBAR1), and the other end of the first conductive sheet 3 is connected with the PSS pyrotechnic control switch 2.

[0022] The other three end bolts 9 are respectively connected with two-way MIDI insurance 5 modules and one-way MEGA insurance 6 modules, and the other ends of the two-way MIDI insurance 5 modules and the one-way MEGA insurance 6 modules are connected to the second conductive sheet 4 (BUSBAR2), the second conductive sheet 4 is connected with the PSS pyrotechnic control switch 2, and the two-way MIDI insurance 5 modules and the one-way MEGA insurance 6 modules are connected in parallel with the PSS pyrotechnic control switch 2. The PSS pyrotechnic control switch 2 can synchronously control the connection or disconnection of the two-way MIDI insurance 5 modules and the one-way MEGA insurance 6 modules.

[0023] The power distribution electrical appliance box is connected through a hole type terminal, a bolt 9 and a nut fastening mode. The two-way MIDI insurance 5 modules are fastened on the bolt 9 through an M6 nut 8, and the MEGA insurance 6 module and the PSS pyrotechnic control switch 2 are fastened on the bolt 9 through an M8 nut 7.

[0024] The vehicle is provided with a safe and reliable protection device, the structure is reliable, the layout space is fully utilized, and the distribution box is extremely convenient to install and disassemble.

[0025] The above only describes the embodiments of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A power distribution electrical box, characterized by, Including distribution electric appliance box body, insurance module and PSS pyrotechnic control switch, distribution electric appliance box body is rectangular box body structure, a plurality of bolts are preinstalled in distribution electric appliance box body, a plurality of insurance modules and a PSS pyrotechnic control switch are connected in distribution electric appliance box body through bolts, a plurality of insurance modules are connected in parallel with PSS pyrotechnic control switch.

2. A power distribution appliance enclosure according to claim 1, wherein, Four grooves for installing cable when using are uniformly arranged at the transverse one end of the distribution electric appliance box body, four end bolts capable of externally connecting wires are correspondingly arranged in the distribution electric appliance box body on one side of the four grooves.

3. A power distribution appliance enclosure according to claim 2, wherein, One end bolt connects the first conductive sheet, the other end of the first conductive sheet connects the PSS pyrotechnic control switch;The other three end bolts are connected with two-way MIDI insurance module and one-way MEGA insurance module respectively, the other end of two-way MIDI insurance module and one-way MEGA insurance module is connected to the second conductive sheet, and the second conductive sheet is connected with the PSS pyrotechnic control switch.

4. A power distribution appliance enclosure according to claim 1, wherein, The power distribution electric appliance box is connected by bolt and nut fastening mode.

5. A power distribution appliance enclosure according to claim 3, wherein, Two-way MIDI insurance module is fastened in distribution electric appliance box body through M6 nut, MEGA insurance module and PSS pyrotechnic control switch are fastened in distribution electric appliance box body through M8 nut.