High-voltage box for new energy vehicle

Abstract

The utility model discloses a new energy vehicle high-voltage box, which comprises a box cover and a box body, a switching copper bar, a fuse, a copper inlet bar, a pre-charging relay, a copper outlet bar and a main relay are respectively arranged in the box body, the fuse is arranged on one side of the middle part of the box body, the switching copper bar and the copper inlet bar are respectively arranged on the top and the bottom of the fuse, and the pre-charging relay is arranged in the box body. The other end of the switching copper bar is installed on the main relay, one end of the copper outlet bar is installed on the main relay, and the pre-charging relay is located below the main relay. According to the utility model, the technical advantages of large current-carrying capacity, small size, low cost and intelligent alarm are integrated, and the power distribution safety of mining new energy vehicles is guaranteed when the power distribution device is applied to mining vehicles; parts are compactly arranged under the condition that the safety requirements of electrical clearance and creepage distance are met, intelligent fuses are selected under the condition that the requirements of basic power distribution functions are met, safety fusing and excess early warning are integrated, and power distribution is safer and more reliable.

Description

TECHNICAL FIELD

[0001] The utility model belongs to high pressure box technical field, especially, relate to a new energy car high pressure box. BACKGROUND

[0002] With the development of new energy technology, the demand of new energy vehicles for high voltage power distribution technology is higher and higher, not only need to meet the large current, low cost, small size, also need intelligent high voltage box, and the traditional high voltage box is big in size, the line is complicated, and the function is single. Therefore, in view of the above problems, the utility model provides a new energy car high pressure box has important significance. INVENTION CONTENTS

[0003] The utility model provides a new energy car high pressure box, integrates the technical advantage that current carrying is big, small, low in cost, intelligent alarm, is applied in mine vehicle, and the safety escort of mine new energy vehicle power distribution is guaranteed, and the safety requirement of electrical clearance and creepage distance is met to the compact arrangement of spare part, and the intelligent fuse is selected under the requirement of meeting the basic power distribution function, integrates safety fusing and over early warning, lets the power distribution be safer and more reliable, and the above solves the problem in the background art.

[0004] To solve the above technical problems, the utility model is realized through the following technical schemes:

[0005] The utility model discloses a new energy car high pressure box, including the box cover and the box body, the box body is installed respectively with the copper bar of switching, the fuse, the copper bar of going in, the precharge relay, the copper bar of going out and main relay, the fuse is located one side in the middle part of the box body, the copper bar of switching and the copper bar of going in are installed at the top and bottom of the fuse respectively, the other end of copper bar of switching is installed on main relay, one end of copper bar of going out is installed on main relay, and the precharge relay is located below main relay.

[0006] Further, the box cover is injection molded with liquid silicone.

[0007] Further, the copper bar of switching, the copper bar of going in, the copper bar of going out are all red copper structure.

[0008] The utility model has the following beneficial effects relative to the prior art:

[0009] (1) the new energy car high pressure box in the utility model when using, integrated the technical advantage that current carrying is big, small, low in cost, intelligent alarm, is applied in mine vehicle, and the safety escort of mine new energy vehicle power distribution is guaranteed,

[0010] (2) The high-voltage box for a new energy vehicle in the utility model is compactly arranged to meet the safety requirements of electrical clearance and creepage distance, and an intelligent fuse is selected to meet the basic power distribution requirements, integrated safety fusing and over-limit early warning, so that power distribution is safer and more reliable.

[0011] Of course, it is not necessary for any product implementing the utility model to achieve all the advantages mentioned above at the same time. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0013] Fig. 1 It is a structural schematic diagram of the high-voltage box for a new energy vehicle of the utility model;

[0014] Fig. 2 It is an internal structural schematic diagram of the box body in the utility model;

[0015] Fig. 3 It is an electrical schematic diagram of the high-voltage box for a new energy vehicle of the utility model.

[0016] In the drawings, the component list represented by each sign is as follows:

[0017] 1, box cover; 2, box body; 3, adapter copper bar; 4, fuse; 5, incoming copper bar; 6, pre-charging relay; 7, outgoing copper bar; 8, main relay. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described in the following with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0019] In the description of the utility model, it is understood that the terms "relative", "one end", "internal", "transverse", "end", "two ends", "two sides", "front", "one end surface", "the other end surface" and the like indicate the orientation or positional relationship, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated components or elements must have a specific orientation, be constructed and operated in a specific orientation, therefore, it cannot be understood as a limitation of the utility model.

[0020] Please refer to Figs. 1-3 As shown in the figure, the utility model relates to a high -voltage box for new energy vehicle, including box cover 1 and box body 2, box body 2 respectively install switching copper bar 3, fuse 4, incoming copper bar 5, pre -charge relay 6, outgoing copper bar 7 and main relay 8, fuse 4 is located in the middle part one side of box body 2, fuse 4 integrates current sensor, in the satisfaction basic function's time still can real -time detection current, and pre -warning to whole vehicle safety, switching copper bar 3 and incoming copper bar 5 are installed at the top and bottom of fuse 4 respectively, the other end of switching copper bar 3 is installed on main relay 8, one end of outgoing copper bar 7 is installed on main relay 8, pre -charge relay 6 is located below main relay 8, pre -charge relay 6 can pre -charge the large electric capacity component on whole vehicle, to avoid the large current impact when main relay 8 closes, main relay 8 closes again after whole vehicle completes pre -charge, and whole vehicle completes and goes up high -voltage electricity.

[0021] Among them, liquid silicone is injection molded on the box cover 1, and a seal can be formed after the box cover 1 is installed with the box body 2, the box cover 1 and the box body 2 are injection molded, which reduces the weight under the demand of meeting the strength, which is beneficial to the weight reduction of the whole vehicle and reduces the energy consumption.

[0022] Among them, switching copper bar 3, incoming copper bar 5 and outgoing copper bar 7 are all red copper structures, which have high conductivity and good heat dissipation, and can better transmit large current.

[0023] The circuit, electronic components and chip modules involved in the utility model are all prior art, and the skilled person in the art can fully realize them without further description, and the content protected by the utility model does not involve improvement of software and methods.

[0024] The standard parts used in the application file can be purchased from the market, all components in the application file can be ordered according to the description and drawings, and the specific connection mode of each part adopts conventional means such as bolts, rivets and welding in the prior art, and the mechanical parts and equipment adopt conventional models in the prior art, the electrical components appearing in the text are connected with the main controller and 220V mains electricity, and the main controller is a conventional known device that can play a control role.

[0025] The working principle of the utility model is:

[0026] The utility model discloses when using, through the data of ceaseless digital design make each spare part reaches the optimal solution of data while not sacrificing performance, through CAE analysis each spare part's heat, intensity and so on factor to spare part carries out optimal design, and fuse 4 integrates current sensor, can real -time acquisition current, carries out safety alarm, and the pre -filling relay 6 is installed in box body 2, and the spare part of big electric capacity on whole car is pre -filled, avoids the big current impact that produces when main relay 8 closes, and box cover 1 and box body 2 are by injection moulding, under the demand of satisfying intensity, reduced weight, is favorable to whole car weight reduction, reduces energy consumption.

[0027] The above disclosed preferred embodiments of the utility model are only used for helping to set forth the utility model. The preferred embodiments do not describe all the details and limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents.

Claims

1. A high-voltage box for a new energy vehicle, characterized in that, The utility model relates to a box for power supply, including box cover and box body, the box body is installed with relay, copper row, fuse, copper row, precharge relay and copper row respectively, the fuse is located in the middle one side of box body, the relay is installed on the top and bottom of fuse respectively with copper row and copper row, the other end of copper row is installed on the relay, one end of copper row is installed on the relay, precharge relay is located below the relay.

2. The high-voltage box for a new energy vehicle according to claim 1, characterized in that, Liquid silicon is injection molded on the box cover.

3. The high-voltage box for a new energy vehicle according to claim 1, characterized in that, The copper row, copper row and copper row are all red copper structures.

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