Layered electric box

Abstract

The utility model relates to the technical field of electric control equipment, in particular to a layered electric box which comprises a box body, the box body is composed of a top plate, a bottom plate and a plurality of side plates and forms a closed containing cavity, the containing cavity is sequentially provided with a first substrate, a second substrate and a third substrate from top to bottom, and the first substrate, the second substrate and the third substrate are connected with the box body and are parallel to one another. The first base plate, the second base plate and the third base plate are of a plate-shaped structure and divide the containing cavity into at least three layers of spaces, and the first base plate and the second base plate can be oppositely turned over and opened relative to the bottom plate, so that all the layers of spaces are communicated. According to the invention, the first substrate and the second substrate are arranged to be opened in an opposite overturning manner, and a worker can directly maintain and dismount the third substrate or the second substrate without dismounting any device and wiring, thereby greatly improving the dismounting and maintenance efficiency, and effectively relieving the problem that the maintenance operation of the electric box is inconvenient.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of electric control equipment, in particular to a layered electric box. BACKGROUND

[0002] The electric control box is a carrier of modules, high-voltage power supplies, TR components and other accessories, and is used for placing and fixing various accessories and effectively dissipating heat generated in the use process of high-power electrical devices. With the increase of device functions, the electrical components in the electric control box are more and more numerous and occupy larger space, and the electric control box needs to have a certain maintenance requirement, which poses challenges to the layout of electrical components in the electric control box and how to design the structure of the electric control box to solve the problems of large internal space occupation and difficult maintenance operation. CONTENT OF THE UTILITY MODEL

[0003] The application aims to provide a layered electric box.

[0004] The embodiments of the application can be implemented by the following technical solutions:

[0005] A layered electric box comprises a box body, the box body is composed of a top plate, a bottom plate and a plurality of side plates and forms a closed containing cavity, the containing cavity is sequentially provided with a first base plate, a second base plate and a third base plate connected with the box body and parallel to each other from top to bottom, the first base plate, the second base plate and the third base plate are plate-shaped structures and divide the containing cavity into at least three layers of space, and the first base plate and the second base plate can be reversibly opened relative to the bottom plate, so that each layer of space is communicated.

[0006] Further, the first base plate is provided with a plurality of threaded holes at both ends and is threadedly connected with the first support and the second support.

[0007] Further, the second base plate is provided with a plurality of threaded holes at both ends and is threadedly connected with the third support and the fourth support.

[0008] Further, the second base plate is provided with a plurality of threaded holes at both ends and is threadedly connected with the third support and the fourth support.

[0009] Further, the second base plate is provided with a plurality of threaded holes at both ends and is threadedly connected with the third support and the fourth support.

[0010] Further, the controller and the switching power supply are arranged on the second substrate, and the electrical appliance element is arranged on the first and third substrates.

[0011] Further, the third substrate is fixedly arranged on the bottom plate, and the first, second and third substrates divide the accommodating cavity into three layers of space, including a strong current space and a weak current space, the weak current space is above the first substrate, and the strong current space is above the third substrate.

[0012] Further, a plurality of first and second wiring boards are fixedly arranged on the first and third substrates, a plurality of threading holes are arranged on the first and second wiring boards, the plurality of first wiring boards are arranged in a loop shape along the circumferences of the first and third substrates, the plurality of second wiring boards are arranged in parallel and spaced apart from the plurality of first wiring boards, and a plurality of line grooves are formed between the plurality of first and second wiring boards.

[0013] Further, a plurality of glands for wiring are arranged on the outer wall of the side plate and are threadedly connected with the side plate.

[0014] The layered electrical box provided by the embodiment has at least the following beneficial effects:

[0015] 1. The first, second and third substrates of the layered electrical box are arranged in parallel, the first and second substrates can be flipped and opened opposite to the bottom plate, and when maintenance is performed, the first and second substrates can be directly flipped and opened to maintain the lines or devices on the third substrate, thereby greatly improving the efficiency of disassembly and maintenance and effectively alleviating the problem of poor operability of traditional electrical box maintenance.

[0016] 2. The first, second and third substrates divide the layered electrical box into three layers of space, the weak current space is above the first substrate, the strong current space is above the third substrate, and the controller and the switching power supply are arranged above the second substrate, such an arrangement can separate the strong current circuit and the weak current circuit, avoid the electromagnetic interference generated by the strong current from affecting the accuracy of the weak current signal, and at the same time, the division of the strong current space and the weak current space makes the architecture of the layered electrical box more clear and facilitates the later maintenance and troubleshooting. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structure diagram of the layered electrical box in the embodiment;

[0018] Figure 2 is a structure diagram of the box body of the layered electrical box in the embodiment;

[0019] Figure 3 is a perspective view of the layered electrical box opened by turning over the first substrate and the second substrate in the present application;

[0020] Figure 4 is a plan view of the layered electrical box in the present application;

[0021] Figure 5 is a Figure 4 B-B sectional view schematic diagram;

[0022] Figure 6 is a structure diagram of the first substrate of the layered electrical box in the present application;

[0023] Figure 7 is a structure diagram of the second substrate of the layered electrical box in the present application from a first perspective;

[0024] Figure 8 is a structure diagram of the second substrate of the layered electrical box in the present application from a second perspective;

[0025] Figure 9 is a structure diagram of the third substrate of the layered electrical box in the present application.

[0026] Reference numerals in the drawings are as follows: 1 - box body, 11 - side plate, 12 - top plate, 13 - bottom plate, 14 - gland, 2 - first substrate, 21 - first support, 22 - first hinge shaft, 23 - second support, 3 - second substrate, 31 - third support, 32 - second connecting shaft, 33 - fourth support, 34 - switching power supply, 35 - controller, 36 - threading hole, 4 - third substrate, 51 - first wiring board, 52 - second wiring board, 53 - row line slot. DETAILED DESCRIPTION

[0027] Hereinafter, the present application is further described based on the preferred embodiments and with reference to the accompanying drawings.

[0028] In addition, various components on the drawings are enlarged (thick) or reduced (thin) for the convenience of understanding, but such practice is not intended to limit the protection scope of the present application.

[0029] The singular form of the word also includes the plural meaning, and vice versa.

[0030] In the description of the embodiments of this application, it should be noted that if terms such as "upper," "lower," "inner," or "outer" are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this application is in use, they are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this application. In addition, in the description of this application, in order to distinguish different units, the terms "first," "second," etc. are used in this specification, but these are not limited by the manufacturing order, nor should they be construed as indicating or implying relative importance. Their names may differ in the detailed description and claims of this application.

[0031] The vocabulary used in this specification is for illustrative purposes and is not intended to limit the scope of this application. It should also be noted that, unless otherwise expressly specified and limited, the terms "set," "connected," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection, a direct connection, or an indirect connection via an intermediate medium; or they can refer to the internal communication between two components. Those skilled in the art will understand the specific meaning of these terms in this application.

[0032] This application provides a layered electrical box for use with Figure 1 and Figure 2 The internal structure diagram and external view of the layered electrical box in this application are shown respectively, as follows: Figure 1 and Figure 2 As shown, a layered electrical box for a power battery thermal protection system includes a box body 1. The box body 1 is composed of a top plate 12, a bottom plate 13, and multiple side plates 11, forming a closed accommodating cavity. The accommodating cavity is provided with a first substrate 2, a second substrate 3, and a third substrate 4, which are connected to the box body 1 and are parallel to each other, from top to bottom. The first substrate 2, the second substrate 3, and the third substrate 4 are plate-shaped structures and divide the accommodating cavity into at least three layers. The first substrate 2 and the second substrate 3 can be flipped open relative to the bottom plate 13, so that each layer of space is connected.

[0033] When the first substrate 2, the second substrate 3, and the third substrate 4 are parallel to each other, the working state is reached and the layered electrical box operates normally. Figure 3The first substrate 2 and the second substrate 3 are reversibly opened to be in a maintenance state, at this time, each layer is in communication, and the third substrate 4 can be directly maintained and disassembled without disassembling any device and wire, and when the second substrate 3 is maintained, the first substrate 2 can be reversibly opened, the reversible opening of the first substrate 2 and the second substrate 3 greatly improves the disassembly and maintenance efficiency, and effectively solves the problem of poor operability of the traditional electric box.

[0034] Further, the layered electric box further comprises a controller 35, a switching power supply 34 and electrical elements, the electrical elements are arranged on the first substrate 2 and the third substrate 4, and the controller 35 and the switching power supply 34 are arranged on the second substrate 3, in some specific embodiments of the present application, as shown in Figure 7 and Figure 8 The controller 35 is installed above the second substrate 3, the switching power supply 34 is installed below the second substrate 3, and the second substrate is further provided with a threading hole 36 for the introduction and exit of the internal line of the layered electric box, so as to ensure that the line can be connected with the power supply or the equipment outside the electric box in an orderly and safe manner.

[0035] Further, the third substrate 4 is fixedly installed on the bottom plate 13, and the first substrate 2, the second substrate 3 and the third substrate 4 divide the accommodating cavity into three layers, including a strong electric space and a weak electric space, the weak electric space above the first substrate 2 is mainly used for placing signal transmission lines and devices for processing low voltage and small current, and the devices in the weak electric space are mainly used for processing, amplifying, distributing and converting the signals; the strong electric space above the third substrate 4 is mainly used for placing devices and lines for processing high voltage and large current to realize the distribution and control of electric energy and ensure that various devices can safely and stably obtain electric power. The layered electric box in the present application is used for a power battery thermal guarantee system, and the strong electric devices generate a strong electromagnetic field when working, if the strong electric and weak electric lines are not separated, the electromagnetic interference generated by the strong electric will affect the accuracy of the weak electric signal. Therefore, the division of the strong electric space and the weak electric space makes the architecture of the power battery thermal guarantee system more clear, and in the installation and debugging process, the workers can easily distinguish the strong electric and weak electric parts according to the functions, which is convenient for the laying of lines and the installation of devices, and is also beneficial to the later maintenance and troubleshooting.

[0036] In some preferred embodiments of the present application, as shown in Figures 4-9As shown, the layered electrical box further comprises a first support 21 and a second support 23 fixedly installed on the inner wall of the box body 1, both ends of the first base plate 2 are installed on the first support 21 and the second support 23, one end of the first base plate 2 is rotationally connected with the first support 21 through a first hinge shaft 22, and the other end of the first base plate 2 is reversibly opened relative to the bottom plate 13. Meanwhile, both ends of the first base plate 2 are provided with a plurality of threaded holes and are threadedly connected with the first support 21 and the second support 23.

[0037] In some preferred embodiments of the present application, a third support 31 and a fourth support 33 fixedly installed on the inner wall of the box body 1 are further included, both ends of the second base plate 3 are installed on the third support 31 and the fourth support 33, one end of the second base plate 3 away from the first hinge shaft 22 is rotationally connected with the third support 31 through a second hinge shaft 32, and the other end of the second base plate 3 is reversibly opened relative to the bottom plate 13. Meanwhile, both ends of the second base plate 3 are provided with a plurality of threaded holes and are threadedly connected with the third support 31 and the fourth support 33.

[0038] When the layered electrical box is in a working state, the first base plate 2 and the second base plate 3 are fixedly connected with the first support 21, the second support 23, the third support 31 and the fourth support 33 corresponding thereto through bolts, so as to ensure the stability of the circuit and reduce the risk; when the layered electrical box is in a maintenance state, only the bolts corresponding to the first base plate 2 and the second base plate 3 need to be disassembled, and the first base plate 2 or the second base plate 3 corresponding thereto is flipped, so that the next layer of space can be maintained and disassembled, thereby greatly improving the efficiency of disassembly and maintenance.

[0039] Further, a plurality of first wiring boards 51 and second wiring boards 52 fixedly installed on the first base plate 2 and the third base plate 4 are further included, a plurality of threading holes are arranged on the first wiring boards 51 and the second wiring boards 52 at intervals, a plurality of the first wiring boards 51 are arranged in a head-to-tail manner along the circumference of the first base plate 2 and the third base plate 4, a plurality of the second wiring boards 52 are arranged in parallel and at intervals on the outer side of a plurality of the first wiring boards 51, and a plurality of the first wiring boards 51 and a plurality of the second wiring boards 52 form a line groove 53 therebetween. The arrangement of the line groove 53 in the present application orderly distributes the circuit and facilitates the identification and maintenance of the staff.

[0040] Further, a plurality of gland nuts 14 for wiring are further included, the gland nuts 14 pass through the side plate 11 and are arranged on the outer wall of the side plate 11 and are threadedly connected with the side plate 11.

[0041] The specific implementation ways of the present application are described in detail above, and for the person skilled in the art, some improvements and modifications can be made to the present application without departing from the principles of the present application, and these improvements and modifications also belong to the protection scope of the claims of the present application.

Claims

1. A layered electrical box, characterized in that: comprising a box body (1), the box body (1) is composed of a top plate (12), a bottom plate (13) and a plurality of side plates (11) and forms a closed containing cavity, the containing cavity is sequentially provided with a first base plate (2), a second base plate (3) and a third base plate (4) connected with the box body (1) and parallel to each other from top to bottom, the first base plate (2), the second base plate (3) and the third base plate (4) are plate structures and divide the containing cavity into at least three layers of space, the first base plate (2) and the second base plate (3) can be reversibly opened relative to the bottom plate (13), so that each layer of space is communicated.

2. The layered electrical box according to claim 1, characterized in that: further comprising a first support (21) and a second support (23) fixedly installed on the inner wall of the box body (1), both ends of the first base plate (2) are installed on the first support (21) and the second support (23), one end of the first base plate (2) is rotatably connected with the first support (21) through a first hinge shaft (22), and the other end of the first base plate (2) is reversibly opened relative to the bottom plate (13).

3. The layered electrical box according to claim 2, characterized in that: both ends of the first base plate (2) are provided with a plurality of threaded holes and are threadedly connected with the first support (21) and the second support (23).

4. The layered electrical box according to claim 2, characterized in that: further comprising a third support (31) and a fourth support (33) fixedly installed on the inner wall of the box body (1), both ends of the second base plate (3) are installed on the third support (31) and the fourth support (33), one end of the second base plate (3) away from the first hinge shaft (22) is rotatably connected with the third support (31) through a second hinge shaft (32), and the other end of the second base plate (3) is reversibly opened relative to the bottom plate (13).

5. The layered electrical box according to claim 4, characterized in that: both ends of the second base plate (3) are provided with a plurality of threaded holes and are threadedly connected with the third support (31) and the fourth support (33).

6. The layered electrical box according to claim 1, characterized in that: further comprising a controller (35), a switching power supply (34) and electrical elements, the electrical elements are arranged on the first base plate (2) and the third base plate (4), and the controller (35) and the switching power supply (34) are arranged on the second base plate (3).

7. The layered electrical box according to claim 1, characterized in that: the third base plate (4) is fixedly installed on the bottom plate (13), the first base plate (2), the second base plate (3) and the third base plate (4) divide the containing cavity into three layers of space, which include a strong current space and a weak current space, the space above the first base plate (2) is a weak current space, and the space above the third base plate (4) is a strong current space.

8. The layered electrical box according to claim 1, characterized in that: ​ ​ ​ ​ ​ ​ ​ Also include several first wiring boards (51) and second wiring boards (52) fixedly installed on the first base plate (2) and the third base plate (4), a plurality of threading holes are arranged on the first wiring boards (51) and the second wiring boards (52) at intervals, a plurality of the first wiring boards (51) are arranged in a head-to-tail manner along the circumference of the first base plate (2) and the third base plate (4), a plurality of the second wiring boards (52) are arranged in parallel and at intervals on the outer side of the plurality of the first wiring boards (51), and a row line groove is formed between the plurality of the first wiring boards (51) and the plurality of the second wiring boards (52).

9. The layered electrical box of claim 1, wherein: Also include several gland nuts (14) for wiring, the gland nuts (14) are arranged on the outer wall of the side plate (11) through the side plate (11) and are threadedly connected with the side plate (11).

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