CN219937737U - Electrical cabinet unit, electrical cabinet combination and electrical cabinet working set - Google Patents

Abstract

The utility model discloses an electrical cabinet unit, an electrical cabinet combination and an electrical cabinet working group, which comprise a main cavity cabinet, a side cavity cabinet and a heat exchanger; the main cavity cabinet is internally provided with a first installation cavity and a second installation cavity, the side cavity cabinet is internally provided with a third installation cavity, and the third installation cavity is respectively communicated with the first installation cavity and the second installation cavity; the heat exchanger comprises a first heat exchange air duct and a cooler for cooling the first heat exchange air duct, one end of the first heat exchange air duct is communicated with the first installation cavity, and the other end of the first heat exchange air duct is communicated with the second installation cavity; the circulating air channel formed by sequentially and circularly communicating the first installation cavity, the first heat exchange air channel, the second installation cavity and the third installation cavity is an internal circulating air channel, and an internal circulating fan is arranged in the internal circulating air channel. The fluid in the internal circulation air duct and the external air flow of the electrical cabinet unit relatively independently flow, and the heat dissipation channels are more regular, so that the thermal management of the internal devices of the electrical cabinet is more convenient.

Description

Electrical cabinet unit, electrical cabinet combination and electrical cabinet working set

The present utility model claims priority from the chinese patent application filed at 12 months 08 of 2022, application number 202223286217.2, entitled "an electrical cabinet unit, electrical cabinet assembly, and electrical cabinet work group", the entire contents of which are incorporated herein by reference.

Technical Field

The utility model relates to the technical field of electrical cabinets, in particular to an electrical cabinet unit, an electrical cabinet combination and an electrical cabinet working group.

Background

The utility model provides a photovoltaic grid-connected low-voltage conflux cabinet is as the interface arrangement of group's serial inverter system and electric wire netting, mainly by branch switch, frame circuit breaker constitutes, its branch switch and group's serial inverter AC output are connected, then be connected with the frame circuit breaker, realize low-voltage alternating current and converge, along with the market demand of group's serial inverter increases day by day, the demand for low-voltage conflux cabinet structural design is more and more high, especially in the aspect such as multichannel spatial layout, heat dissipation mode, the ubiquitous problem of current low-voltage conflux cabinet is the heat dissipation passageway confusion, be inconvenient for managing the internal device heat of low-voltage conflux cabinet, the same reason is the same to other similar regulator cubicles internal similar problem that exists.

In summary, how to solve the problem that the heat dissipation channel of the electrical cabinet is disordered and complicated and is inconvenient to manage the heat of the internal device of the electrical cabinet has become a technical problem to be solved by those skilled in the art.

Disclosure of Invention

In view of the above, the utility model provides an electrical cabinet unit, an electrical cabinet assembly and an electrical cabinet working set, which are used for solving the problems that a heat dissipation channel of an electrical cabinet is disordered and complicated and the management of heat of internal devices of the electrical cabinet is inconvenient.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

an electrical cabinet unit comprises a main cavity cabinet, a side cavity cabinet and a heat exchanger, wherein the side cavity cabinet is arranged at one side of the main cavity cabinet;

a first installation cavity and a second installation cavity are sequentially arranged from top to bottom in the main cavity cabinet, a third installation cavity is arranged in the side cavity cabinet, and the third installation cavity is respectively communicated with the first installation cavity and the second installation cavity;

the heat exchanger is arranged on the cabinet wall of the electric cabinet body unit and comprises a first heat exchange air duct and a cooler for cooling the first heat exchange air duct, one end of the first heat exchange air duct is communicated with the first installation cavity, and the other end of the first heat exchange air duct is communicated with the second installation cavity;

the circulating air channel formed by sequentially and circularly communicating the first installation cavity, the first heat exchange air channel, the second installation cavity and the third installation cavity is an internal circulating air channel, and an internal circulating fan is arranged in the internal circulating air channel.

Optionally, the internal circulation fan comprises a first circulation fan installed in the first heat exchange air duct, and the airflow circulation direction provided by the first circulation fan is the flow direction sucked from the first installation cavity into the first heat exchange air duct.

Optionally, the both ends in first heat transfer wind channel are air-out end and return air end respectively, the return air end with first installation cavity intercommunication, the air-out end with second installation cavity intercommunication, first circulating fan install in the return air end and towards first installation intracavity installed components and parts are arranged.

Optionally, the internal circulation fan further comprises a second circulation fan arranged in the second installation cavity, and the airflow circulation direction provided by the second circulation fan is the flow direction blown into the third installation cavity from the second installation cavity.

Optionally, a first insulating plate is clamped between the first installation cavity and the second installation cavity, and a second insulating plate is clamped between the first installation cavity and the third installation cavity, and between the second installation cavity and the third installation cavity.

Optionally, the cooler includes heat transfer part, second heat transfer wind channel and install in outer circulating fan in the second heat transfer wind channel, heat transfer part is used for with the heat transfer of first heat transfer wind channel extremely the second heat transfer wind channel, air intake and the air outlet in second heat transfer wind channel all communicate with external environment in order to form outer circulating wind channel, outer circulating fan is used for the second heat transfer wind channel provides air current circulation power.

Optionally, the air inlet and the air outlet of the second heat exchange air duct are distributed up and down on the outer wall surface of the heat exchanger.

Optionally, the airflow direction of the first heat exchange air channel is opposite to the airflow direction of the second heat exchange air channel.

Optionally, the first installation cavity is used for installing a circuit breaker assembly, the second installation cavity is used for installing a first disconnecting switch assembly, and the third installation cavity is used for installing a second disconnecting switch and a matching assembly thereof.

Optionally, the cabinet wall of the electrical cabinet body unit where the heat exchanger is located is a unit cabinet door.

Optionally, the unit cabinet door includes a first door body and a second door body, the first door body is covered on the front sides of the main cavity cabinet and the side cavity cabinet in an openable and closable manner, and the second door body is covered on one side of the main cavity cabinet away from the side cavity cabinet and/or one side of the side cavity cabinet away from the main cavity cabinet in an openable and closable manner; the heat exchanger is arranged on the first door body or the second door body.

Compared with the background technology, the electric cabinet body unit comprises a main cavity cabinet, a side cavity cabinet and a heat exchanger, wherein the side cavity cabinet is arranged at one side of the main cavity cabinet; the main cavity cabinet is internally provided with a first installation cavity and a second installation cavity which are sequentially arranged from top to bottom, the side cavity cabinet is internally provided with a third installation cavity, and the third installation cavity is respectively communicated with the first installation cavity and the second installation cavity; the heat exchanger is arranged on the cabinet wall of the electric cabinet body unit and comprises a first heat exchange air duct and a cooler for cooling the first heat exchange air duct, one end of the first heat exchange air duct is communicated with the first installation cavity, and the other end of the first heat exchange air duct is communicated with the second installation cavity; the circulating air channel formed by sequentially and circularly communicating the first installation cavity, the first heat exchange air channel, the second installation cavity and the third installation cavity is an internal circulating air channel, and an internal circulating fan is arranged in the internal circulating air channel. In the practical application process, the first installation cavity and the second installation cavity in the main cavity cabinet are communicated through the first heat exchange air duct, and the third installation cavity is respectively communicated with the first installation cavity and the second installation cavity, so that a circulating air duct formed by sequentially and circularly communicating the first installation cavity, the first heat exchange air duct, the second installation cavity and the third installation cavity forms an inner circulating air duct of the electric cabinet unit; the cooler of heat exchanger can cool off first heat transfer wind channel, therefore, the electric cabinet body unit of above-mentioned structural style can realize the heat dissipation demand through inner loop wind channel cooperation cooler, fluid and the external air current of electric cabinet body unit relatively independent flow in the inner loop wind channel simultaneously, the heat dissipation passageway is more regular, and the part that the calorific capacity was concentrated in the main cavity cabinet is installed respectively in first installation cavity and second installation cavity, the part that the calorific capacity was concentrated in the side cavity cabinet is installed in the third installation cavity, whole inner loop wind channel cools off the heat through the cooler of heat exchanger, it is more convenient to make the thermal management of the internal device of electric cabinet body.

In addition, the utility model also provides an electrical cabinet combination, which comprises two electrical cabinet units described in any scheme; the two electrical cabinet units are spliced and combined in a symmetrical arrangement mode on one surface of the main cavity cabinet, which is away from the side cavity cabinet, and when the unit cabinet door comprises a second door body, the second door body is covered on one surface of the side cavity cabinet, which is away from the main cavity cabinet, in an openable and closable mode; or, two regulator cubicle body units are in the side cavity cabinet deviates from the one side of main cavity cabinet is to piecing together the combination, and works as when the unit cabinet door includes the second door body, the second door body with the mode lid that can open and shut in the one side that the main cavity cabinet deviates from the side cavity cabinet. Since the electrical cabinet unit has the above technical effects, the electrical cabinet assembly having the electrical cabinet unit should also have corresponding technical effects, and will not be described herein.

The utility model also provides an electrical cabinet assembly, which comprises two electrical cabinet units described in any scheme, wherein the two electrical cabinet units are spliced and combined in a mode that the back sides of the two electrical cabinet units are opposite and symmetrically distributed.

The utility model also provides an electrical cabinet body combination, which comprises two electrical cabinet body units described in any scheme, wherein the two electrical cabinet body units are spliced and combined in a symmetrical arrangement mode on one surface of the main cavity cabinet, which is away from the side cavity cabinet.

In addition, the utility model also provides an electrical cabinet working set, which comprises at least two electrical cabinet body combinations described in the scheme, wherein two adjacent electrical cabinet body combinations are spliced and connected on one surface of the side cavity cabinet, which is away from the main cavity cabinet, the unit cabinet door of the electrical cabinet unit comprises a first door body which is covered on the front sides of the main cavity cabinet and the side cavity cabinet in an openable and closable manner, and the heat exchanger of the electrical cabinet unit is arranged on the first door body.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of a front structure of an electrical cabinet assembly according to an embodiment of the present utility model (in the drawing, two electrical cabinet units are assembled in pairs on a side of a main cavity cabinet facing away from a side cavity cabinet);

fig. 2 is a schematic diagram of an axial side structure of an electrical cabinet assembly according to an embodiment of the present utility model (in the drawing, two electrical cabinet units are assembled in pairs on a side of a main cavity cabinet facing away from a side cavity cabinet);

fig. 3 is a schematic structural diagram of an electrical cabinet assembly according to an embodiment of the present utility model at a front view angle (in the drawing, two electrical cabinet units are assembled in a side of a main cavity cabinet facing away from a side cavity cabinet);

fig. 4 is a schematic structural diagram of an internal circulation duct inside an electrical cabinet assembly according to an embodiment of the present utility model (in the drawing, two electrical cabinet units are assembled in pairs on a side of a main cavity cabinet facing away from a side cavity cabinet, and solid arrows represent airflow circulation directions);

fig. 5 is a schematic structural diagram of an electrical cabinet assembly according to an embodiment of the present utility model under a left view angle (in the drawing, two electrical cabinet units are assembled in a side of a main cavity cabinet facing away from a side cavity cabinet);

fig. 6 is a schematic structural diagram of an electrical cabinet assembly according to an embodiment of the present utility model in a right view angle (in the drawing, two electrical cabinet units are assembled in a side of a main cavity cabinet facing away from a side cavity cabinet);

fig. 7 is a schematic structural diagram of a first heat exchange air duct and a second heat exchange air duct in a heat exchanger according to an embodiment of the present utility model.

Wherein, in fig. 1-7:

the electric cabinet body unit 1, the main cavity body cabinet 11, the first installation cavity 111, the second installation cavity 112, the side cavity body cabinet 12, the third installation cavity 121, the unit cabinet door 13, the first door body 131, the second door body 132, the heat exchanger 14, the first heat exchange air duct 141, the second heat exchange air duct 142, the air inlet 1421, the air outlet 1422, the first circulating fan 15a, the second circulating fan 15b and the outer circulating fan 16;

a circuit breaker assembly 2;

a first disconnector assembly 3;

a second disconnector assembly 4;

and a mating assembly 5.

Detailed Description

The utility model aims at providing an electrical cabinet unit, an electrical cabinet combination and an electrical cabinet working group, which are used for solving the problems that a heat dissipation channel of an electrical cabinet is disordered and complicated and the heat of internal devices of the electrical cabinet is inconvenient to manage.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 7, the present utility model specifically provides an electrical cabinet unit including a main cavity cabinet 11, a side cavity cabinet 12 arranged at one side of the main cavity cabinet 11, and a heat exchanger 14; a first installation cavity 111 and a second installation cavity 112 are sequentially arranged from top to bottom in the main cavity cabinet 11, a third installation cavity 121 is arranged in the side cavity cabinet 12, and the third installation cavity 121 is respectively communicated with the first installation cavity 111 and the second installation cavity 112; the heat exchanger 14 is arranged on the cabinet wall of the electrical cabinet body unit 1, the heat exchanger 14 comprises a first heat exchange air duct 141 and a cooler for cooling the first heat exchange air duct 141, one end of the first heat exchange air duct 141 is communicated with the first mounting cavity 111, and the other end of the first heat exchange air duct 141 is communicated with the second mounting cavity 112; the circulating air channel formed by sequentially and circularly communicating the first installation cavity 111, the first heat exchange air channel 141, the second installation cavity 112 and the third installation cavity 121 is an internal circulating air channel, and an internal circulating fan is arranged in the internal circulating air channel.

In the practical application process, referring to fig. 1-4 and 7, the first installation cavity 111 and the second installation cavity 112 in the main cavity cabinet 11 are communicated through the first heat exchange air duct 141, and the third installation cavity 121 is respectively communicated with the first installation cavity 111 and the second installation cavity 112, so that a circulation air duct formed by sequentially and circularly communicating the first installation cavity 111, the first heat exchange air duct 141, the second installation cavity 112 and the third installation cavity 121 forms an internal circulation air duct of the electric cabinet unit; the cooler of heat exchanger 14 can cool first heat transfer wind channel 141, therefore, above-mentioned structural style's regulator cubicle body unit 1 can be through the cooling demand of inner loop wind channel cooperation cooler, the internal fluid of inner loop wind channel and the external air current of regulator cubicle body unit 1 relatively independent flow simultaneously, the heat dissipation passageway is more regular, and the part that the calorific capacity was concentrated in main cavity cabinet 11 installs respectively in first installation cavity 111 and second installation cavity 112, the part that calorific capacity was concentrated in the side cavity cabinet 12 installs in third installation cavity 121, whole inner loop wind channel cools off the heat through the cooler of heat exchanger 14 for the thermal management of the internal device of regulator cubicle body is more convenient.

It should be noted that, the internal circulation fan is used for providing power for air circulation for the internal circulation air duct, and may specifically be an axial flow fan, or may be another type of fan, which is not limited in detail herein. The air flow circulation direction of the internal circulation air duct can be that the air flow of the first installation cavity 111 flows into the first heat exchange air duct 141, then flows into the second installation cavity 112 through the first heat exchange air duct 141, flows into the third installation cavity 121 through the second installation cavity 112, and then flows back to the first installation cavity 111 through the third installation cavity 121; alternatively, the air flow from the second installation cavity 112 flows into the first heat exchange air duct 141, then flows into the first installation cavity 111 from the first heat exchange air duct 141, flows into the third installation cavity 121 from the first installation cavity 111, and then flows back to the second installation cavity 112 from the third installation cavity 121. The actual application process can be selected according to the actual requirements.

In addition, the cooler of the heat exchanger 14 may be specifically configured by air cooling heat exchange, or may be configured by other coolers commonly used by those skilled in the art, for example, a liquid cooling manner. Taking an air cooling heat exchange mode as an example, the cooler specifically may include a heat transfer component, a second heat exchange air duct 142, and an external circulation fan 16 installed in the second heat exchange air duct 142, where the heat transfer component is used to transfer heat from the first heat exchange air duct 141 to the second heat exchange air duct 142, and both an air inlet 1421 and an air outlet 1422 of the second heat exchange air duct 142 are communicated with the external environment to form an external circulation air duct, and the external circulation fan 16 is used to provide airflow circulation power for the second heat exchange air duct 142, where the heat transfer component specifically may be implemented by a heat exchange aluminum plate, or other heat exchange components commonly used by those skilled in the art, and is not limited in this way. Compared with the liquid cooling mode, the air cooling heat exchange mode can fully utilize the external environment temperature, does not need to additionally configure a cold source, and is simpler in structure.

In some specific embodiments, the above-mentioned external circulation fan 16 may be selectively arranged according to actual needs for providing the airflow circulation direction for the second heat exchange air duct 142, for example, the air inlet 1421 and the air outlet 1422 of the second heat exchange air duct 142 may be vertically distributed on the outer wall surface of the heat exchanger 14, and in particular, as shown in fig. 1 and fig. 2, the air inlet 1421 may be designed below the air outlet 1422, that is, the external circulation air duct adopts a bottom-up circulation mode. It will be understood that, of course, the air inlet 1421 may be designed above the air outlet 1422 to implement a top-down circulation mode, or a left-to-right circulation mode, or a right-to-left circulation mode, and in the practical application process, the arrangement may be selected according to the practical requirement, which is not limited in detail herein.

In other embodiments, it is preferred to design the airflow direction of the first heat exchanging channel 141 to be opposite to the airflow direction of the second heat exchanging channel 142. Through the arrangement mode of reverse flow, the countercurrent heat exchange can be realized, and the heat exchange efficiency is improved.

In some more specific embodiments, referring to fig. 4 in combination with fig. 7, the internal circulation fan may specifically include a first circulation fan 15a installed in the first heat exchange air duct 141, and the circulation direction of the air flow provided by the first circulation fan 15a is the flow direction of the air sucked into the first heat exchange air duct 141 from the first installation cavity 111, where the air flow of the internal circulation air duct is that the air flow of the first installation cavity 111 flows into the first heat exchange air duct 141, flows into the second installation cavity 112 from the first heat exchange air duct 141, flows into the third installation cavity 121 from the second installation cavity 112, and flows back into the first installation cavity 111 from the third installation cavity 121. Through installing first circulating fan 15a in first heat transfer wind channel 141, can guarantee to make the air current in the inner loop wind channel steadily flow through first heat transfer wind channel 141, can realize in succession with the stable heat transfer of cooler, the radiating effect is better.

In a further embodiment, referring to fig. 4 in combination with fig. 7, two ends of the first heat exchange air duct 141 are an air outlet end and an air return end, the air return end is communicated with the first installation cavity 111, the air outlet end is communicated with the second installation cavity 112, the first circulating fan 15a is installed at the air return end and is arranged towards components installed in the first installation cavity 111, and by installing the first circulating fan 15a at the air return end and towards the components installed in the first installation cavity 111, heat of the components installed in the first installation cavity 111 can be absorbed more timely, and heat dissipation timeliness is guaranteed.

In some specific embodiments, referring to fig. 4, the internal circulation fan may further include a second circulation fan 15b disposed in the second installation cavity 112, where the circulation direction of the air flow provided by the second circulation fan 15b is the direction of the air flow blown from the second installation cavity 112 into the third installation cavity 121. Through designing this second circulating fan 15b, can make the cold air flow who flows into second installation cavity 112 from first heat transfer wind channel 141 flow to third installation cavity 121 fast, effectively avoid cold air flow to pile up at second installation cavity 112 and lead to the poor problem of radiating effect, through first circulating fan 15a and the cooperation of second circulating fan 15b use, can promote the circulation heat dissipation ability in inner loop wind channel greatly.

In some specific embodiments, a first insulating plate is sandwiched between the first mounting cavity 111 and the second mounting cavity 112, and a second insulating plate is sandwiched between the first mounting cavity 111 and the third mounting cavity 121, and between the second mounting cavity 112 and the third mounting cavity 121, so that electrical insulation of components mounted in each mounting cavity can be improved by designing the first insulating plate and the second insulating plate. It should be noted that, as one skilled in the art should understand, the second insulating plate should not affect the third mounting cavity 121 to communicate with the first mounting cavity 111 and the second mounting cavity 112, respectively.

In some more specific embodiments, the electrical cabinet unit 1 may be a low-voltage bus bar, where the corresponding first mounting cavity 111 may mount the circuit breaker assembly 2, the second mounting cavity 112 may mount the first disconnector assembly 3, and the third mounting cavity 121 may mount the second disconnector 4 and its mating assembly 5. Because in the low-voltage bus-bar cabinet, the breaker assembly 2, the disconnector assembly (i.e., the first disconnector assembly 3 and the second disconnector assembly 4) and the mating parts 5 all belong to parts with relatively concentrated heat generation. The mating component 5 may be a temperature control module, a metering module, etc. It will be understood, of course, that the electrical cabinet unit 1 may be applied to other electrical cabinet scenarios besides low voltage junction boxes, and is not limited in more detail herein.

In other specific embodiments, the cabinet wall of the electrical cabinet unit 1 where the heat exchanger 14 is located is preferably a unit cabinet door 13, so that the heat exchanger 14 is more convenient to install and maintain by being designed on the unit cabinet door 13.

In a further embodiment, the unit cabinet door 13 may specifically include a first door body 131 and a second door body 132, where the first door body 131 is covered on the front sides of the main cavity cabinet 11 and the side cavity cabinet 12 in an openable manner, the second door body 132 is covered on a side of the main cavity cabinet 11 facing away from the side cavity cabinet 12 in an openable manner, and the second door body 132 may also be covered on a side of the side cavity cabinet 12 facing away from the main cavity cabinet 11 in an openable manner, where the heat exchanger 14 is disposed on the first door body 131 or the second door body 132. Through the structural style with the unit cabinet door 13 of regulator cubicle body unit 1 design into above-mentioned first door body 131 and second door body 132 for regulator cubicle body unit 1 has a plurality of maintenance operation interfaces, and the user of facilitating the use carries out the subregion operation more, promotes the convenience of operation, for example, when the second door body 132 of corresponding side cavity cabinet 12 opens, can maintain the change to its internal components and parts (voltage transformer, axial fan, lightning protection etc.). The openable and closable implementation manner of the first door 131 and the second door 132 may specifically adopt a structural form of a hinged door, or other structural forms commonly used by those skilled in the art, which are not limited herein in more detail.

In addition, the utility model also provides an electrical cabinet assembly, which specifically comprises two electrical cabinet units 1 described in any scheme; the two electrical cabinet units 1 are spliced and combined in a symmetrical arrangement mode on one surface of the main cavity cabinet 11, which is away from the side cavity cabinet 12, and when the unit cabinet door 13 comprises the second door 132, the second door 132 covers on one surface of the side cavity cabinet 12, which is away from the main cavity cabinet 11, in an openable and closable mode; alternatively, the two electrical cabinet units 1 are assembled together on the side of the side cavity cabinet 12 facing away from the main cavity cabinet 11, and when the unit cabinet door 13 includes the second door 132, the second door 132 covers the side of the main cavity cabinet 11 facing away from the side cavity cabinet 12 in an openable manner. Since the electrical cabinet unit has the above technical effects, the electrical cabinet assembly having the electrical cabinet unit should also have corresponding technical effects, and will not be described herein.

The utility model also provides an electrical cabinet assembly, which comprises the two electrical cabinet units 1 described in the scheme, wherein the two electrical cabinet units 1 are assembled in a mode that the back sides of the electrical cabinet units are opposite and symmetrically distributed. When designed into such a structural form, the unit cabinet door 13 may specifically include a first door body 131 and a second door body 132, where the first door body 131 is covered on the front side of the main cavity cabinet 11 and the side cavity cabinet 12 in an openable manner, the second door body 132 is covered on the side of the main cavity cabinet 11 facing away from the side cavity cabinet 12 in an openable manner, and also may be covered on the side of the side cavity cabinet 12 facing away from the main cavity cabinet 11 in an openable manner, where the heat exchanger 14 is disposed on the first door body 131 or the second door body 132. By designing the structure, the electrical cabinet body can realize integrated management, and the specific arrangement form of the unit cabinet door 13 of each electrical cabinet body unit 1 is not affected.

In addition, the utility model also provides another electrical cabinet body combination, which comprises two electrical cabinet body units 1 described in the scheme, wherein the two electrical cabinet body units 1 are assembled in a symmetrical arrangement on the side, facing away from the side cavity cabinet 12, of the main cavity cabinet 11. At this time, the electrical cabinet unit 1 in the corresponding electrical cabinet assembly is generally only designed with the first door 131, so as to facilitate the subsequent recombination of each electrical cabinet assembly to form a working group.

Specifically, the utility model also provides an electrical cabinet working set, two adjacent electrical cabinets are assembled and connected in a side cavity cabinet 12 facing away from the main cavity cabinet 11, a unit cabinet door 13 of the electrical cabinet unit 1 comprises a first door body 131 which is covered on the front sides of the main cavity cabinet 11 and the side cavity cabinet 12 in an openable and closable manner, and a heat exchanger 14 of the electrical cabinet unit 1 is arranged on the first door body 131.

Illustrating: the whole electrical cabinet body (6400 KW) structure layout is a set, and can be decomposed into 2 subset combinations, so that the whole power level is improved, wherein the subset combinations can be 2 cabinet combinations to form a double cabinet combination, an X3200 (3200 refers to power) combination is formed, and the double cabinet combination can also be a cabinet, and the interior of the cabinet is generally arranged as a main cavity cabinet+side cavity cabinet+ … …, or a plurality of subset combinations, such as: 4800KW/8800KW can be symmetrically and equally distributed and decomposed into 2X 2400 and 2X 4400 single cabinets, and the layout can improve the power density, is more convenient to maintain and shortens the later maintenance time.

It should be noted that, in the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described as different from other embodiments, and identical and similar parts between the embodiments are all enough to be referred to each other.

It should be appreciated that the use of "systems," "devices," "units," and/or "modules" in this disclosure is but one way to distinguish between different components, elements, parts, portions, or assemblies at different levels. However, if other words can achieve the same purpose, the word can be replaced by other expressions.

As used in the specification and in the claims, the terms "a," "an," "the," and/or "the" are not specific to a singular, but may include a plurality, unless the context clearly dictates otherwise. In general, the terms "comprises" and "comprising" merely indicate that the steps and elements are explicitly identified, and they do not constitute an exclusive list, as other steps or elements may be included in a method or apparatus. The inclusion of an element defined by the phrase "comprising one … …" does not exclude the presence of additional identical elements in a process, method, article, or apparatus that comprises an element.

Wherein, in the description of the embodiments of the present utility model, unless otherwise indicated, "/" means or, for example, a/B may represent a or B; "and/or" herein is merely an association relationship describing an association object, and means that three relationships may exist, for example, a and/or B may mean: a exists alone, A and B exist together, and B exists alone. In addition, in the description of the embodiments of the present utility model, "plurality" means two or more than two.

The terms "first" and "second" are used below for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.

If a flowchart is used in the present utility model, the flowchart is used to describe the operations performed by a system according to an embodiment of the present utility model. It should be appreciated that the preceding or following operations are not necessarily performed in order precisely. Rather, the steps may be processed in reverse order or simultaneously. Also, other operations may be added to or removed from these processes.

The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the core concepts of the utility model. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims (15)

1. An electrical cabinet unit is characterized by comprising a main cavity cabinet (11), a side cavity cabinet (12) arranged at one side of the main cavity cabinet (11) and a heat exchanger (14);

a first installation cavity (111) and a second installation cavity (112) are sequentially arranged from top to bottom in the main cavity cabinet (11), a third installation cavity (121) is arranged in the side cavity cabinet (12), and the third installation cavity (121) is respectively communicated with the first installation cavity (111) and the second installation cavity (112);

the heat exchanger (14) is arranged on the cabinet wall of the electric cabinet body unit (1), the heat exchanger (14) comprises a first heat exchange air duct (141) and a cooler for cooling the first heat exchange air duct (141), one end of the first heat exchange air duct (141) is communicated with the first mounting cavity (111), and the other end of the first heat exchange air duct (141) is communicated with the second mounting cavity (112);

the first installation cavity (111), the first heat exchange air channel (141), the second installation cavity (112) and the third installation cavity (121) are sequentially and circularly communicated to form a circulating air channel which is an internal circulating air channel, and an internal circulating fan is arranged in the internal circulating air channel.

2. The electrical cabinet element according to claim 1, wherein the internal circulation fan comprises a first circulation fan (15 a) mounted in the first heat exchanging air duct (141), and the circulation direction of the air flow provided by the first circulation fan (15 a) is the flow direction sucked from the first mounting chamber (111) into the first heat exchanging air duct (141).

3. The electrical cabinet element according to claim 2, wherein the first heat exchanging air duct (141) has an air outlet end and an air return end at two ends, the air return end is communicated with the first mounting cavity (111), the air outlet end is communicated with the second mounting cavity (112), and the first circulating fan (15 a) is mounted at the air return end and is arranged towards components mounted in the first mounting cavity (111).

4. The electrical cabinet element according to claim 2, wherein the internal circulation fan further comprises a second circulation fan (15 b) arranged in the second mounting chamber (112), the circulation direction of the air flow provided by the second circulation fan (15 b) being the direction of the flow blown from the second mounting chamber (112) into the third mounting chamber (121).

5. The electrical cabinet element according to claim 1, wherein a first insulating plate is sandwiched between the first mounting chamber (111) and the second mounting chamber (112), and a second insulating plate is sandwiched between the first mounting chamber (111) and the third mounting chamber (121), and between the second mounting chamber (112) and the third mounting chamber (121).

6. The electrical cabinet element according to claim 1, wherein the cooler comprises a heat transfer member, a second heat exchanging air duct (142), and an external circulation fan (16) mounted in the second heat exchanging air duct (142), the heat transfer member is configured to transfer heat from the first heat exchanging air duct (141) to the second heat exchanging air duct (142), and an air inlet (1421) and an air outlet (1422) of the second heat exchanging air duct (142) are both in communication with an external environment to form the external circulation air duct, and the external circulation fan (16) is configured to provide airflow circulation power for the second heat exchanging air duct (142).

7. The electrical cabinet element according to claim 6, wherein the air inlet (1421) and the air outlet (1422) of the second heat exchange air duct (142) are vertically distributed on the outer wall surface of the heat exchanger (14).

8. The electrical cabinet element according to claim 6, wherein the airflow direction of the first heat exchanging channel (141) is arranged opposite to the airflow direction of the second heat exchanging channel (142).

9. Electrical cabinet unit according to claim 1, wherein the first mounting cavity (111) is for mounting a circuit breaker assembly (2), the second mounting cavity (112) is for mounting a first disconnector assembly (3), and the third mounting cavity (121) is for mounting a second disconnector (4) and its mating assembly (5).

10. Electrical cabinet unit according to claim 1, wherein the cabinet wall of the electrical cabinet unit (1) in which the heat exchanger (14) is located is a unit cabinet door (13).

11. The electrical cabinet unit according to claim 10, wherein the unit cabinet door (13) comprises a first door body (131) and a second door body (132), the first door body (131) being openably covered on the front sides of the main cavity cabinet (11) and the side cavity cabinet (12), the second door body (132) being openably covered on a side of the main cavity cabinet (11) facing away from the side cavity cabinet (12) and/or a side of the side cavity cabinet (12) facing away from the main cavity cabinet (11);

wherein the heat exchanger (14) is arranged on the first door body (131) or the second door body (132).

12. An electrical cabinet assembly comprising two electrical cabinet units (1) according to claim 10 or 11;

the two electrical cabinet units (1) are spliced and combined in a symmetrical arrangement mode on one surface of the main cavity cabinet (11) facing away from the side cavity cabinet (12), and when the unit cabinet door (13) comprises a second door body (132), the second door body (132) covers one surface of the side cavity cabinet (12) facing away from the main cavity cabinet (11) in an openable and closable mode;

or, two regulator cubicle body units (1) are in the side cavity cabinet (12) deviate from the one side of main cavity cabinet (11) is facing to the piece together and is put, and when unit cabinet door (13) include second door (132), second door (132) with openable mode lid in main cavity cabinet (11) deviate from the one side of side cavity cabinet (12).

13. Electrical cabinet assembly, characterized in that it comprises two electrical cabinet units (1) according to any one of claims 1-11, the two electrical cabinet units (1) being assembled in opposite and symmetrically distributed manner on the back side.

14. Electrical cabinet assembly, characterized in that it comprises at least two electrical cabinet units (1) according to any one of claims 1-11, two of said electrical cabinet units (1) being assembled in a symmetrical arrangement on the side of said main cabinet (11) facing away from said side cabinet (12).

15. The electrical cabinet body working group is characterized by comprising at least two electrical cabinet body combinations according to claim 14, wherein two adjacent electrical cabinet body combinations are spliced and connected with one side of the side cavity cabinet (12) deviating from the main cavity cabinet (11), a unit cabinet door (13) of the electrical cabinet body unit (1) comprises a first door body (131) which can be covered on the front side of the main cavity cabinet (11) and the side cavity cabinet (12) in an openable mode, and a heat exchanger (14) of the electrical cabinet body unit (1) is arranged on the first door body (131).