CN212392541U

CN212392541U - Distribution box

Info

Publication number: CN212392541U
Application number: CN202021422936.0U
Authority: CN
Inventors: 杨志东; 栾逢时; 于洋; 米志文; 范呈洋; 张帆; 周华尊; 冯越
Original assignee: State Grid Corp of China SGCC; State Grid Beijing Electric Power Co Ltd; Beijing Lead Electric Equipment Co Ltd
Current assignee: State Grid Corp of China SGCC; State Grid Beijing Electric Power Co Ltd; Beijing Lead Electric Equipment Co Ltd
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2021-01-22
Anticipated expiration: 2030-07-17

Abstract

The utility model provides a distribution box, which comprises a shell and a heat insulation interlayer, wherein the shell has a hollow structure and is enclosed into an accommodating cavity; the heat preservation intermediate layer sets up in hollow structure to hold the chamber and keep warm. The utility model provides a block terminal among the prior art can't keep warm to the operational environment of the electrical component in the block terminal, lead to the application scope of block terminal limited, cause temperature to be less than the problem of the unable normal power supply in the severe cold area of 25 ℃ below zero.

Description

Distribution box

Technical Field

The utility model relates to a power supply unit technical field particularly, relates to a block terminal.

Background

In the prior art, the minimum value of the working temperature of the electrical element in the distribution box is usually 25 ℃ below zero, when the temperature of the working environment in the distribution box is lower than the temperature value, the electrical element in the distribution box can not normally operate, even the electrical element is damaged, the working environment of the electrical element in the distribution box can not be insulated by the existing distribution box, the application range of the distribution box is limited, and the distribution box can not normally operate in a severe cold area with the temperature lower than 25 ℃ below zero.

SUMMERY OF THE UTILITY MODEL

A primary object of the utility model is to provide a distribution box to the distribution box among the solution prior art can't keep warm to the operational environment of the electrical component in the distribution box, and the application scope that leads to the distribution box is limited, causes temperature to be less than the problem of the unable normal power supply in the severe cold area of 25 ℃ below zero.

In order to achieve the purpose, the utility model provides a distribution box, which comprises a shell and a heat insulation interlayer, wherein the shell has a hollow structure and is enclosed into a containing cavity; the heat preservation intermediate layer sets up in hollow structure to hold the chamber and keep warm.

Further, the block terminal still includes the fire prevention heat insulating film, and the fire prevention heat insulating film sets up in hollow structure to set up on the surface towards holding chamber one side of heat preservation intermediate layer.

Furthermore, the distribution box further comprises a first detection module, a heating device and a control module, wherein the first detection module is arranged on the wall surface of the accommodating cavity to monitor first working environment information in the accommodating cavity; the heating device is arranged in the accommodating cavity and used for changing the temperature of the working environment in the accommodating cavity; the control module is arranged in the accommodating cavity and controls the heating device to act according to the first working environment information so as to heat the gas in the accommodating cavity.

The distribution box further comprises a second detection module, wherein the second detection module is arranged on the wall surface of the accommodating cavity and is arranged at intervals with the first detection module, and the second detection module is used for monitoring condensation information on the wall surface of the accommodating cavity; the control module controls the heating device to act according to the condensation information so as to heat the gas in the accommodating cavity.

Further, heating device is the electric heat membrane, and the electric heat membrane setting is on the chamber wall that holds the chamber, and the electric heat membrane carries out the even heating to holding the chamber with thermal radiation's mode, is provided with the thermal-insulated membrane of fire prevention in the hollow structure of the position department of being provided with the electric heat membrane of casing.

Further, the electric heat membrane sets up on the chamber bottom surface that holds the chamber, and fire prevention thermal-insulated membrane setting is in the hollow structure who is located the chamber bottom surface position department that holds the chamber.

Further, the first working environment information comprises temperature information and humidity information, the first detection module is a temperature and humidity sensor, the temperature and humidity sensor is used for monitoring the temperature information and the humidity information in the accommodating cavity, and when the temperature information reaches a preset temperature value, the control module controls the heating device to act according to the temperature information; and/or when the humidity information reaches a preset humidity value, the control module controls the heating device to act according to the humidity information.

Further, the first detection module is arranged on the side wall surface of the accommodating cavity.

Further, the block terminal still includes the installation casing, and the installation casing setting is holding the intracavity to be connected with the chamber top surface that holds the chamber, the installation casing is held the chamber by the inner wall of casing and is extended the setting, and second detection module sets up on the installation casing.

Further, the projection area of the electric heating film in the accommodating cavity is larger than or equal to the area of the cross section of the bottom surface of the accommodating cavity.

Use the technical scheme of the utility model, a block terminal with heat preservation intermediate layer is provided, ensure that the ambient temperature in the block terminal can keep in its interior electric elements's operating temperature within range as far as possible to ensure the electric elements's in the block terminal operation reliability.

Particularly, set up the heat preservation intermediate layer through the hollow structure of the casing at the block terminal, like this, the heat loss in the block terminal has been reduced effectively in the setting of heat preservation intermediate layer, ensure that the operating temperature of the electric elements in the block terminal can be located the temperature range of the normal operation of electric elements all the time, thereby ensure the operation reliability of the electric elements in the block terminal, and then be favorable to promoting the application scope of block terminal, ensure that the block terminal can be applicable to the severe cold area that temperature is less than 25 ℃ below zero, thereby ensure the power supply reliability in this area.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic view of the internal structure of a distribution box according to an alternative embodiment of the present invention.

Wherein the figures include the following reference numerals:

10. a housing; 11. a hollow structure; 12. an accommodating chamber; 20. a heat-insulating interlayer; 30. a first detection module; 40. a heating device; 50. a second detection module; 60. and (5) installing the shell.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In order to solve the problem that the application range of the distribution box is limited due to the fact that the distribution box in the prior art cannot keep warm for the working environment of an electrical element in the distribution box, and normal power supply cannot be performed in a severe cold area with the temperature lower than minus 25 ℃, the utility model provides a distribution box, as shown in figure 1, the distribution box comprises a shell 10 and a heat-preservation interlayer 20, wherein the shell 10 is provided with a hollow structure 11, and the shell 10 is enclosed into an accommodating cavity 12; the heat-insulating interlayer 20 is arranged in the hollow structure 11 to insulate the accommodating cavity 12.

The application provides a block terminal with heat preservation intermediate layer 20, ensures that the ambient temperature in the block terminal can keep in its interior electric elements's operating temperature within range as far as possible to ensure the operation reliability of the electric elements in the block terminal.

Particularly, through set up heat preservation intermediate layer 20 in hollow structure 11 of the casing 10 of block terminal, like this, heat preservation intermediate layer 20's setting has reduced the loss of the heat in the block terminal effectively, ensures that the operating temperature of the electric elements in the block terminal can be located the temperature range of the normal operation of electric elements all the time, thereby ensures the operation reliability of the electric elements in the block terminal, and then be favorable to promoting the application scope of block terminal, ensures that the block terminal can be applicable to the severe cold district that temperature is less than 25 ℃ below zero, thereby ensures the power supply reliability in this area.

As shown in fig. 1, the distribution box further includes a first detection module 30, a heating device 40 and a control module, wherein the first detection module 30 is disposed on a cavity wall surface of the accommodating cavity 12 to monitor first working environment information in the accommodating cavity 12; the heating device 40 is arranged in the accommodating cavity 12, and the heating device 40 is used for changing the temperature of the working environment in the accommodating cavity 12; the control module is arranged in the accommodating cavity 12 and controls the heating device 40 to act according to the first working environment information so as to heat the gas in the accommodating cavity 12. Like this, ensure that heating device 40 in the block terminal can self-heating, promoted the intelligent degree of block terminal greatly, ensure that the required ambient temperature of the electrical component operation in it can be maintained throughout to the temperature of the operational environment in the chamber 12 that holds of block terminal to guarantee electrical component's operation reliability.

As shown in fig. 1, the distribution box further includes a second detection module 50, the second detection module 50 is disposed on the wall surface of the accommodating chamber 12 and spaced from the first detection module 30, and the second detection module 50 is configured to monitor condensation information on the wall surface of the accommodating chamber 12; the control module controls the heating device 40 to act according to the condensation information so as to heat the gas in the accommodating cavity 12. Like this, avoid holding the gas condensation that becomes in the chamber 12 and condense into the condensation to avoid leading to holding the electric elements in the chamber 12 because of the existence of condensation and appearing the short circuit phenomenon, and then guarantee that electric elements can normal operating.

Optionally, the heating device 40 is an electric heating film, the electric heating film is disposed on the wall surface of the cavity 12, the electric heating film uniformly heats the cavity 12 in a heat radiation manner, and a fireproof heat insulation film is disposed in the hollow structure 11 at the position of the casing 10 where the electric heating film is disposed. Like this, the electric heat membrane is favorable to promoting heating device 40's heating effect, ensure that the electric heat membrane can heat evenly and hold chamber 12, thereby guarantee that the gas that holds in chamber 12 can heat up steadily, furthermore, the setting of fire prevention heat-insulating membrane plays the effect of protection block terminal, avoid leading to the block terminal to be burnt out because of electric heat membrane high temperature, thereby guarantee the safety in utilization of block terminal, furthermore, fire prevention heat-insulating membrane can also play thermal-insulated effect, stop the heat of electric heat membrane to scatter and disappear as far as possible, thereby guarantee that the electric heat membrane can offer the heat to the gas that holds in chamber 12 as far as possible, furthermore, can also keep warm to the gas that holds in chamber 12.

It should be noted that, in this application, considering that different electric elements are arranged in the containing cavity 12 of the distribution box, and considering that the heated gas can move from bottom to top, optionally, the electric heating film is arranged on the cavity bottom surface of the containing cavity 12, and the fireproof heat insulation film is arranged in the hollow structure 11 at the position of the cavity bottom surface of the containing cavity 12. Like this, ensure the heating reliability of electric heat membrane, be favorable to promoting the intensification efficiency in holding chamber 12 of block terminal.

It should be noted that, in the present application, the fireproof and heat-insulating film is disposed inside the hollow structure 11 and on the surface of the heat-insulating interlayer 20 facing the accommodating chamber 12. Thus, the fireproof heat insulation film is protected while the installation reliability of the fireproof heat insulation film is ensured.

Optionally, a fire-proof and heat-insulating film is applied to the surface of the insulating interlayer 20 facing the side of the accommodating chamber 12.

It should be noted that, in the present application, considering that the generation of the condensation is generated due to a low temperature or a high humidity of the gas in the accommodating cavity 12, optionally, the first working environment information includes temperature information and humidity information, the first detecting module 30 is a temperature and humidity sensor, the temperature and humidity sensor is used for monitoring the temperature information and the humidity information in the accommodating cavity 12, and when the temperature information reaches a preset temperature value, the control module controls the heating device 40 to operate according to the temperature information; and/or when the humidity information reaches a preset humidity value, the control module controls the heating device 40 to act according to the humidity information. Like this, ensure that the temperature and the humidity of the gas in the chamber 12 of holding can resume normal numerical range as fast as possible to avoid producing the condensation because of the temperature is lower or humidity is great, and then restrain the production of condensation in the chamber 12 of holding from the source.

Note that, in the present application, in order to ensure the detection reliability of the first detection module 30, the first detection module 30 is optionally provided on a side wall surface of the accommodating chamber 12. In this way, while avoiding interference with the electric components in the housing chamber 12 caused by the mounting of the first detection module 30, the detection reliability of the first detection module 30 can be ensured.

In the present application, in order to ensure the detection reliability of the second detection module 50, as shown in fig. 1, the distribution box further includes a mounting housing 60, the mounting housing 60 is disposed in the accommodating cavity 12 and connected to the cavity top surface of the accommodating cavity 12, the mounting housing 60 is disposed to extend from the inner wall of the housing 10 to the accommodating cavity 12, and the second detection module 50 is disposed on the mounting housing 60. In this way, while the mounting reliability of the second detection module 50 is ensured, the detection reliability of the second detection module 50 can also be ensured. .

It should be noted that, in this application, in order to improve the heating efficiency of the electric heating film, optionally, the projection area of the electric heating film in the accommodating cavity 12 is greater than or equal to the area of the cross section of the cavity bottom surface of the accommodating cavity 12.

Optionally, the block terminal that this application provided can use in the severe cold area that temperature is 40 ℃ below zero, has promoted the application scope of block terminal greatly.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An electrical box, comprising:

a shell (10), wherein the shell (10) has a hollow structure (11), and the shell (10) is enclosed into a containing cavity (12);

the heat preservation interlayer (20), the heat preservation interlayer (20) sets up in hollow structure (11), in order to right hold chamber (12) and keep warm.

2. The electrical box of claim 1, further comprising:

the fireproof heat-insulation film is arranged in the hollow structure (11) and is arranged on the surface of the heat-insulation interlayer (20) facing one side of the accommodating cavity (12).

3. The electrical box of claim 2, further comprising:

the first detection module (30) is arranged on the cavity wall surface of the accommodating cavity (12) to monitor first working environment information in the accommodating cavity (12);

a heating device (40), wherein the heating device (40) is arranged in the accommodating cavity (12), and the heating device (40) is used for changing the temperature of the working environment in the accommodating cavity (12);

the control module is arranged in the accommodating cavity (12) and controls the heating device (40) to act according to the first working environment information so as to heat the gas in the accommodating cavity (12).

4. The electrical box of claim 3, further comprising:

the second detection module (50) is arranged on the wall surface of the accommodating cavity (12) and is arranged at intervals with the first detection module (30), and the second detection module (50) is used for monitoring condensation information on the wall surface of the accommodating cavity (12);

the control module controls the heating device (40) to act according to the condensation information so as to heat the gas in the accommodating cavity (12).

5. The distribution box according to claim 3, characterized in that said heating means (40) is an electric heating film, said electric heating film is arranged on the wall surface of said containing cavity (12), said electric heating film heats said containing cavity (12) uniformly in a thermal radiation manner, said fire-proof and heat-insulating film is arranged in the hollow structure (11) of said housing (10) at the position where said electric heating film is arranged.

6. Electrical heating film, according to claim 5, characterised in that it is arranged on the cavity bottom surface of the containing cavity (12), said fire-resistant and heat-insulating film being arranged inside the hollow structure (11) at the position of the cavity bottom surface of the containing cavity (12).

7. The distribution box according to claim 3, wherein the first working environment information comprises temperature information and humidity information, the first detection module (30) is a temperature and humidity sensor, the temperature and humidity sensor is used for monitoring the temperature information and the humidity information in the accommodating cavity (12), and when the temperature information reaches a preset temperature value, the control module controls the heating device (40) to act according to the temperature information; and/or when the humidity information reaches a preset humidity value, the control module controls the heating device (40) to act according to the humidity information.

8. Electrical box according to claim 4, characterized in that said first detection module (30) is arranged on a lateral wall face of said housing cavity (12).

9. The electrical box of claim 4, further comprising:

the installation shell (60), installation shell (60) set up hold in the chamber (12), and with the chamber top surface that holds chamber (12) is connected, installation shell (60) by the inner wall of casing (10) is towards hold chamber (12) and extend the setting, second detection module (50) set up on the installation shell (60).

10. Electrical box according to claim 5, characterised in that the projected area of said electric heating film inside said containing cavity (12) is greater than or equal to the area of the cross section of the cavity bottom surface of said containing cavity (12).