CN210274995U

CN210274995U - Electrical cabinet

Info

Publication number: CN210274995U
Application number: CN201921137216.7U
Authority: CN
Inventors: 郭道庆
Original assignee: Yangzhou Qingyuan Electrical Complete Equipment Co ltd
Current assignee: Yangzhou Qingyuan Electrical Complete Equipment Co ltd
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2020-04-07
Anticipated expiration: 2029-07-18

Abstract

The utility model discloses an electrical cabinet, include: a cabinet body in which a closed installation chamber is formed; a mounting plate disposed within the mounting chamber; system hardware mounted on the mounting plate; the heat exchanger is arranged in the installation cavity and is formed by reciprocating bending a pipeline, and a heat exchange working medium flows in the pipeline; and the fan is used for enabling air in the installation cavity to form airflow so as to enable the airflow to exchange heat with the system hardware and absorb the heat of the system hardware, and the airflow absorbs the heat of the system hardware and then exchanges heat with a heat exchange working medium in a pipeline of the heat exchanger, wherein the heat exchange working medium is used for absorbing the heat of the airflow. Through at the internal heat exchanger of addding of cabinet and borrow by the air that the fan made the internal air of cabinet form the air current of inner loop, not only can be with heat transfer to the outside to avoid system hardware's high temperature, importantly: the dust that can effectively avoid outside air gets into the cabinet internally, and then improves the internal cleanliness factor of cabinet.

Description

Electrical cabinet

Technical Field

The utility model relates to an electrical equipment technical field especially relates to an electrical cabinet.

Background

As is known, an electrical cabinet generally includes a cabinet body and system hardware (e.g., a control circuit module) disposed in the cabinet body, wherein the system hardware generates heat due to operation. In order to prevent the system hardware from influencing the operation efficiency and the service life due to overhigh temperature (heating causes the system hardware to have higher temperature), the electrical cabinets in the prior art are provided with heat dissipation systems.

In the prior art, a heat dissipation system for dissipating heat of system hardware generally includes a fan, and the fan is used for allowing a space outside a cabinet to enter the cabinet and then to be discharged from the cabinet again, so as to form an air flow to take away heat dissipated by the system hardware.

The above-mentioned heat dissipation system in the prior art has the following defects:

because the outside air carries dust, the dust can enter the cabinet body along with the airflow and partially remain in the cabinet body, so that the dust remains on the system hardware in the cabinet body, which inevitably affects the heat dissipation efficiency of the system hardware and even the operation safety of the system hardware, for example, the dust may cause a short circuit between the system hardware.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned technical problem that exists among the prior art, the embodiment of the utility model provides an electrical cabinet.

For solving the technical problem, the embodiment of the utility model adopts the following technical scheme:

an electrical cabinet comprising:

a cabinet body in which a closed installation chamber is formed;

a mounting plate disposed within the mounting chamber;

system hardware mounted on the mounting plate;

the heat exchanger is arranged in the installation cavity and is formed by a pipeline in a reciprocating bending mode, and a heat exchange working medium flows in the pipeline;

and the fan is used for enabling air in the installation cavity to form airflow so as to enable the airflow to exchange heat with the system hardware to absorb heat of the system hardware, and enable the airflow to exchange heat with a heat exchange working medium in a pipeline of the heat exchanger after absorbing the heat of the system hardware, wherein the heat exchange working medium is used for absorbing the heat of the airflow.

Preferably, the mounting plate is vertically arranged in the mounting chamber; the fan and the heat exchanger are respectively arranged on two sides of the mounting plate; wherein:

the mounting plate is provided with a flow guide hole, the flow guide hole is positioned between every two adjacent system hardware, and the fan is used for enabling air flow to pass through the flow guide hole and absorbing heat of the system hardware.

Preferably, a backflow channel is further formed in the installation cavity, and the backflow channel is used for enabling airflow to return to the fan after passing through the heat exchanger.

Preferably, the mounting plate is arranged in the mounting chamber by means of a support rod, and a reserved gap is formed between the side edge of the mounting plate and the inner wall of the cabinet body; the backflow channel penetrates through the reserved gap.

Preferably, the backflow channel is defined by a sealing plate penetrating through the reserved gap and the inner wall of the cabinet body.

Preferably, the cabinet body comprises a main body and a cabinet door arranged on the front side of the main body;

the cabinet door is provided with a horn-shaped confluence disc, and the confluence disc is provided with a necking end protruding to the middle of the mounting plate and a flaring end surrounded by a radial outer edge; wherein:

the fan is arranged at the necking end;

when the cabinet door is in a closed state, the flared end and the backflow channel form a butt joint state.

Compared with the prior art, the utility model discloses a beneficial effect of regulator cubicle is: through at the internal heat exchanger of addding of cabinet and borrow by the air that the fan made the internal air of cabinet form the air current of inner loop, not only can be with heat transfer to the outside to avoid system hardware's high temperature, importantly: the dust that can effectively avoid outside air gets into the cabinet internally, and then improves the internal cleanliness factor of cabinet.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention.

The summary of various implementations or examples of the technology described in this disclosure is not a comprehensive disclosure of the full scope or all features of the disclosed technology.

Drawings

In the drawings, which are not necessarily drawn to scale, like reference numerals may describe similar components in different views. Like reference numerals having letter suffixes or different letter suffixes may represent different instances of similar components. The drawings illustrate various embodiments, by way of example and not by way of limitation, and together with the description and claims, serve to explain the embodiments of the invention. The same reference numbers will be used throughout the drawings to refer to the same or like parts, where appropriate. Such embodiments are illustrative, and are not intended to be exhaustive or exclusive embodiments of the present apparatus or method.

Fig. 1 is a schematic structural diagram of an electrical cabinet provided in an embodiment of the present invention (a cabinet door is in a closed state).

Fig. 2 is a schematic structural diagram of an electrical cabinet provided in an embodiment of the present invention (a cabinet door is in an open state).

Reference numerals:

10-a cabinet body; 11-a body; 12-a cabinet door; 20-system hardware; 30-mounting a plate; 31-diversion holes; 40-a fan; 50-a confluence disc; 51-a throat end; 52-flared end; 60-a heat exchanger; 70-a return channel; 71-sealing plate; 80-a strut; 90-drying device.

10-a cabinet 10; 11-a body 11; 12-cabinet door 12; 20-system hardware 20; 30-mounting plate 30; 31-flow guide holes 31; 40-a fan 40; 50-a combiner tray 50; 51-a throat end 51; 52-flared end 52; 60-heat exchanger 60; 70-return channel 70; 71-sealing plate 71; 80-strut 80; 90-drying device.

Detailed Description

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

To maintain the following description of the embodiments of the present invention clear and concise, detailed descriptions of well-known functions and components may be omitted.

As shown in fig. 1, an embodiment of the utility model discloses an electrical cabinet, this electrical cabinet includes: a cabinet 10, a mounting plate 30, a plurality of system hardware 20, a heat exchanger 60, and a fan 40.

The cabinet 10 is rectangular, the cabinet 10 includes a main body 11 and a cabinet door 12 located at the front side of the main body 11, and when the cabinet door 12 is closed, the cabinet door 12 and the main body 11 enclose a closed installation chamber.

The mounting plate 30 is installed in the mounting chamber, the mounting plate 30 is a carrier for fixing the system hardware 20, that is, the plurality of system hardware 20 is fixed on the mounting plate 30, and the mounting plate 30 may be made of a resin plate, but is not limited thereto.

The heat exchanger 60 is disposed in the installation chamber of the cabinet 10, the heat exchanger 60 is formed by bending a pipeline in a reciprocating manner, and a heat exchange working medium is supplied to circulate in the pipeline, and the heat exchange working medium may be water, but is not limited thereto.

Easily understand easily, the external portion of the cabinet body 10 carries out the heat exchange with the heat transfer working medium through setting up the radiator, and the pipeline stretches out the cabinet body 10 and is connected with the radiator, and this radiator is used for giving off the heat that the heat transfer working medium carried.

The fan 40 is disposed in the installation chamber, and the fan 40 is configured to flow air in the installation chamber to form an air flow, and the air flow flows to the system hardware 20 and then flows to the heat exchanger 60. Thus, when the air flow passes through the system hardware 20, the air flow absorbs the heat emitted by the system hardware 20, and after the air flow passes through the heat exchanger 60, the heat carried by the air flow is transferred to the heat exchange working medium in the pipeline of the heat exchanger 60, and the heat exchange working medium is emitted to the outside of the cabinet body 10 by the radiator.

The advantages of the above embodiment are:

through add heat exchanger 60 in the cabinet body 10 and borrow by fan 40 to make the air in the cabinet body 10 form the air current of inner loop, not only can be with heat transfer to the outside to avoid system hardware 20's high temperature, importantly: dust of outside air can be effectively prevented from entering the cabinet body 10, and cleanliness of the cabinet body 10 is improved.

In a preferred embodiment of the present invention, the mounting plate 30 is vertically disposed in the mounting chamber; the fan 40 and the heat exchanger 60 are respectively arranged at two sides of the mounting plate 30; wherein: the mounting plate 30 is provided with a diversion hole 31, the diversion hole 31 is located between every two adjacent system hardware 20, and the fan 40 is used for enabling the air flow to pass through the diversion hole 31 and absorbing the heat of the system hardware 20. In this embodiment, the air flows through the guiding holes 31 and then flows to the heat exchanger 60. In this embodiment, through set up water conservancy diversion hole 31 on mounting panel 30, and then can effectively reduce the hindrance of mounting panel 30 to the air current for the velocity of flow and the flow increase of air current, and then can improve the heat exchange efficiency between system hardware 20 and the air current.

In a preferred embodiment of the present invention, a return channel 70 is further formed in the mounting chamber, and the return channel 70 is used for returning the airflow to the fan 40 after passing through the heat exchanger 60. In this embodiment, can have certain guide effect to the air current through setting up return flow channel 70, and then can make the air current after the heat exchanger 60 heat transfer smooth and easy, flow back to fan 40 fast, and then carry out the next heat process of taking turns.

A preferred embodiment of the present invention provides a form of return channel 70, in this embodiment, the mounting plate 30 is disposed in the mounting chamber by means of the supporting rod 80, the side of the mounting plate 30 has a certain reserved space from the inner wall of the cabinet 10, and the return channel 70 passes through the reserved space. Specifically, the return passage 70 is defined by a sealing plate 71 penetrating a predetermined gap and an inner wall of the cabinet 10. As shown in fig. 1, after the airflow is cooled by heat exchange through the heat exchanger 60, the airflow is blocked by the inner wall of the cabinet 10 opposite to the heat exchanger 60, so that the airflow flows toward the periphery of the mounting plate 30, further enters the return channel 70, and can smoothly flow toward the side where the fan 40 is located under the guidance of the return channel 70.

In a preferred embodiment of the present invention, a trumpet-shaped convergence plate 50 is mounted on the cabinet door 12, and the convergence plate 50 has a necking end 51 protruding toward the middle of the mounting plate 30 and a flaring end 52 surrounded by a radially outer edge; wherein: the fan 40 is disposed at the throat end 51; the flared end 52 interfaces with the return passage 70 when the cabinet door 12 is in the closed position. Specifically, when the cabinet 10 is in the closed condition, the flared end 52 interfaces with the closure plate 71. In the present embodiment, after passing through the return channel 70, the airflow flows to the gap defined by the confluence disc 50 and the inner wall of the cabinet door 12, and flows to the fan 40 at the throat end 51 by being guided by the confluence disc 50.

It should be noted that: the radially outer edge of the confluence disc 50 is provided with a convex structure to form connection with the inner wall of the cabinet door 12, and the convex structure only has small obstruction effect on the air flow.

The advantages of the above embodiment are:

1. the flared manifold 50 has a certain guiding effect on the air flow flowing out of the return channel 70, and it is important that: the airflow is collected at the fan 40 so that the airflow is again provided to the mounting plate 30 by the fan 40.

2. The benefit of the bus bar 50 being fixed to the cabinet door 12 is that: as shown in fig. 2, when the cabinet door 12 is opened by observing the system hardware 20, the bus bar 50 follows the cabinet door 12, so that the bus bar 50 does not shield the system hardware 20. Importantly, the method comprises the following steps: after the cabinet door 12 is closed, the confluence disc 50 and the return channel 70 have guiding and converging effects on the air flow due to the butt joint state.

Preferably, a drying device 90 (with a desiccant disposed therein) is disposed in the return channel 70 for extracting water vapor from the airflow to improve the dryness of the airflow.

Moreover, although exemplary embodiments have been described herein, the scope thereof includes any and all embodiments based on the present invention with equivalent elements, modifications, omissions, combinations (e.g., of various embodiments across), adaptations or variations. The elements of the claims are to be interpreted broadly based on the language employed in the claims and not limited to examples described in the present specification or during the prosecution of the application, which examples are to be construed as non-exclusive. It is intended, therefore, that the specification and examples be considered as exemplary only, with a true scope and spirit being indicated by the following claims and their full scope of equivalents.

The above description is intended to be illustrative and not restrictive. For example, the above-described examples (or one or more versions thereof) may be used in combination with each other. For example, other embodiments may be used by those of ordinary skill in the art upon reading the above description. Additionally, in the foregoing detailed description, various features may be grouped together to streamline the disclosure. This should not be interpreted as an intention that a disclosed feature not claimed is essential to any claim. Rather, inventive subject matter may lie in less than all features of a particular disclosed embodiment. Thus, the following claims are hereby incorporated into the detailed description as examples or embodiments, with each claim standing on its own as a separate embodiment, and it is contemplated that these embodiments may be combined with each other in various combinations or permutations. The scope of the invention should be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled.

The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the protection scope of the present invention is defined by the claims. Various modifications and equivalents of the invention can be made by those skilled in the art within the spirit and scope of the invention, and such modifications and equivalents should also be considered as falling within the scope of the invention.

Claims

1. An electrical cabinet, comprising:

a cabinet body in which a closed installation chamber is formed;

a mounting plate disposed within the mounting chamber;

system hardware mounted on the mounting plate;

2. The electrical cabinet of claim 1, wherein the mounting plate is vertically disposed in the mounting chamber; the fan and the heat exchanger are respectively arranged on two sides of the mounting plate; wherein:

3. The electrical cabinet according to claim 2, wherein a return channel is further formed in the mounting chamber, and the return channel is used for returning the airflow to the fan after passing through the heat exchanger.

4. The electrical cabinet according to claim 3, wherein the mounting plate is disposed in the mounting chamber by a strut, and a gap is reserved between a side edge of the mounting plate and an inner wall of the cabinet body; the backflow channel penetrates through the reserved gap.

5. The electrical cabinet according to claim 4, wherein the return channel is defined by a sealing plate penetrating the clearance and an inner wall of the cabinet body.

6. The electrical cabinet according to claim 4, wherein the cabinet body comprises a main body and a cabinet door disposed at a front side of the main body;

the fan is arranged at the necking end;