CN220585312U - Water chilling unit and energy storage system - Google Patents

Abstract

The utility model discloses a water chilling unit and an energy storage system, wherein the water chilling unit comprises a unit main body and a distribution box detachably arranged on the outer side of the unit main body, the distribution box comprises a shell provided with a containing cavity and an electric control element contained in the shell, the unit main body comprises a shell and electric equipment contained in the shell, the shell is provided with an opening, the shell is detachably arranged on the shell and covers the opening, and the electric control element is used for being electrically connected with the electric equipment to control the power supply of the electric equipment. The unit main body and the distribution box can realize modularized branching production, and finally are assembled together, so that the production efficiency of the water chilling unit is improved. In the maintenance replacement process, the distribution box can be detached from the unit main body, so that maintenance personnel can conveniently operate the unit, and after the distribution box is detached, other distribution boxes can be replaced, so that the maintenance time on a working line is reduced, and the economic loss of the water chilling unit caused by shutdown is reduced.

Description

Water chilling unit and energy storage system

Technical Field

The utility model relates to the technical field of energy storage equipment, in particular to a water chilling unit and an energy storage system.

Background

With the deep development of the energy storage industry, the energy storage environment requirement of the energy storage battery is continuously improved, and in order to ensure that the energy storage battery is always in a safe temperature, a water chilling unit is generally adopted for cooling the energy storage battery. Because the energy storage industry is in the continuous development stage at present, products need to be perfected continuously, so that the water chilling unit needs to be upgraded continuously on software and hardware in the use stage, and meanwhile, the electric control components of the water chilling unit are easy to damage relatively in the use process, and the replacement frequency is high.

In the process of implementing the present utility model, the inventor finds that at least the following technical problems exist in the prior art:

at present, the automatically controlled part in the cooling water set all corresponds the setting with each consumer of installing inside the cooling water set respectively, and when the power supply control of arbitrary consumer breaks down, automatically controlled part needs to upgrade operation or maintain the replacement, need to dismantle the casing of cooling water set and examine the automatically controlled part of its inside one by one and examine the trouble, it is very inconvenient to maintainer, maintenance efficiency is low. Moreover, maintenance is usually carried out directly on a working line, and the whole machine is required to be stopped in the operation process, so that economic benefit is lost.

Disclosure of Invention

In view of the above, the present utility model is directed to a water chiller and an energy storage system, so as to at least solve the technical problems in the prior art that the water chiller distribution box is difficult to disassemble and maintain and is inconvenient to replace.

On the one hand, the application provides a cooling water set, including unit main part with demountable installation in the block terminal in the unit main part outside, the block terminal is including being equipped with the casing that holds the chamber and accomodating electric control element in the casing, the unit main part include the casing with accomodate in the consumer in the casing, the casing has the opening, casing demountable installation in the casing covers the opening, electric control element be used for with the consumer electricity is connected in order to right the consumer carries out power supply control.

In some embodiments, the casing is provided with a concave portion, the opening is communicated with the concave portion, and the shell is accommodated in the concave portion.

In some embodiments, the casing is rectangular, and the concave portion is disposed at a corner of the casing.

In some embodiments, the housing is rectangular parallelepiped, the shape of the concave portion is adapted to the shape of the housing, the outer surface of the housing is flush with the outer surface of the housing adjacent to the housing, and the outer surface of the housing includes a first sub-outer surface and a second sub-outer surface that intersect.

In some embodiments, the first sub-outer surface of the housing is provided with a positioning column, and the concave part is correspondingly provided with a positioning hole for inserting the positioning column; or alternatively

The concave portion is internally provided with a positioning column, and the first subten thousand surfaces of the shell are correspondingly provided with positioning holes for the positioning column to be inserted.

In some embodiments, the second sub-outer surface of the housing is provided with a fixing lug, the fixing lug is provided with a perforation and is positioned at the inner side of the housing, the housing is correspondingly provided with a connecting hole, and the connecting piece is arranged through the perforation and the connecting hole and is detachably connected with the fixing lug and the housing.

In some embodiments, the power distribution box further comprises a first connection structure electrically connected with the electric control element, the unit main body further comprises a second connection structure electrically connected with the electric equipment, the first connection structure and the second connection structure are in plug-in fit, and the electric control element is electrically connected with the electric equipment through the first connection structure and the second connection structure.

In some embodiments, the first connection structure includes a first connection line and a first connector, one end of the first connection line is connected with the electric control element, the other end is electrically connected with the first connector, the second connection structure includes a second connection line and a second connector, one end of the second connection line is connected with the electric equipment, the other end is electrically connected with the second connector, and the second connector is in plug-in fit with the first connector.

In some embodiments, the housing is provided with a through hole communicated with the accommodating cavity, and one end of the first connecting wire connected with the first joint penetrates through the through hole and the opening and stretches into the shell; or (b)

One end of the second connecting wire connected with the second connector penetrates through the opening and the through hole and stretches into the shell.

On the other hand, the application also provides an energy storage system, which comprises an energy storage device and the water chilling unit, wherein the water chilling unit is used for cooling the energy storage device.

According to the water chilling unit provided by the utility model, the distribution box is connected with the independent module of the unit main body, the distribution box and the water chilling unit can respectively realize modularized branching production, namely, the unit main body and the distribution box can be separately produced and finally assembled together to form the water chilling unit, so that the production efficiency of the water chilling unit is improved. Because the casing is connected with the casing can be dismantled for block terminal and unit main part realize detachable effect, consequently, the block terminal is in need of maintaining, upgrade replacement in-process, can dismantle the block terminal is whole from the unit main part, need not to dismantle the unit main part in the maintenance operation process, in order to make things convenient for maintainer to operate, maintenance efficiency has been improved, after the block terminal is dismantled in addition, can directly install other block terminal to the unit main part, make the cooling water set can maintain normal work, the block terminal of dismantling then takes away and unifies and maintain, reduce the maintenance time on the working line, thereby reduce the economic loss because of cooling water set shut down and lead to.

Drawings

FIG. 1 is a schematic structural diagram of a water chiller according to an embodiment of the present utility model;

fig. 2 is a schematic structural diagram of a distribution box according to an embodiment of the present utility model;

fig. 3 is a schematic structural diagram of a main unit of a unit according to another embodiment of the present utility model;

FIG. 4 is a schematic illustration of the chiller shown in FIG. 1 with the first and second connection structures removed;

fig. 5 is a schematic view of the electrical box shown in fig. 2 with the first connection terminal removed.

In the figure: 10. a water chiller; 12. a unit main body; 14. a distribution box; 16. a housing; 17. a housing; 18. a first connection structure; 19. an opening; 20. a second connection structure; 22. a through hole; 24. a first connecting line; 26. a first joint; 30. a second connecting line; 32. a second joint; 34. a concave portion; 36. positioning columns; 38. positioning holes; 40. a fixed ear; 42. perforating; 44. and a connection hole.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.

It should be noted that, in the embodiments of the present utility model, all directional indicators (such as up, down, left, right, front, back, inner, outer, top, bottom … …) are merely used to explain the relative positional relationship between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicators correspondingly change.

It will also be understood that when an element is referred to as being "fixed" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Referring to fig. 1, an energy storage system provided by an embodiment of the present utility model includes an energy storage device and a water chiller 10, wherein the water chiller 10 is configured to reduce the overall temperature inside the energy storage device or reduce the environmental temperature of the environment where the energy storage device is located, so as to form a cooling effect on the energy storage device, thereby avoiding the influence of the excessive temperature on the normal operation and the service life of the energy storage device.

The specific type of energy storage device is not limited, such as an energy storage cabinet, an energy storage container, etc.

The water chiller 10 includes a main unit 12 and a distribution box 14 detachably mounted to the main unit 12, and the distribution box 14 is electrically connected to the main unit 12. The main body 12 is used for cooling, and the distribution box 14 is used for controlling the operation of the water chiller 10. The unit main body 12 and the distribution box 14 are two independent modules, so that the water chilling unit 10 can realize modularized branching production, namely, the unit main body 12 and the distribution box 14 can be produced separately and finally assembled together to form the water chilling unit 10, and modularized production is beneficial to improving the production efficiency of the water chilling unit 10.

The distribution box 14 comprises a housing 16 and an electric control element, wherein the housing 16 is provided with a containing cavity, and the electric control element is contained in the containing cavity. The unit main body 12 comprises a casing 17 and electric equipment accommodated in the casing 17, an opening 19 is formed in the casing 17, the casing 17 is detachably mounted on the casing 17 and covers the opening 19, the electric control element is used for being electrically connected with the electric equipment to control power supply of the electric equipment, and the opening 19 can be used for connecting the electric control element with the connecting element of the electric equipment, such as a wiring terminal, so that connection operation can be performed. The electric control element is used for uniformly controlling power supply to each electric equipment in the unit main body 12. For example, the electric control element includes a controller, a power chip connected to the controller, and a plurality of voltage conversion circuits connected to the power chip, where the voltage conversion circuits are configured to provide different output voltages respectively, and provide working power sources of required sizes for different electric devices (such as an evaporator, a compressor, a condenser, an expansion valve, etc.) in the unit main body 12 respectively, and the controller, the power chip, and the voltage conversion circuits may be integrally disposed on a circuit board and stored in the casing 16. The electric control elements in the distribution box 14 can be correspondingly different according to different power supply control required to be realized by electric equipment contained in the unit main body 12 which is adapted by the electric control elements, unified power supply control is provided for each electric equipment in the unit main body 12 through the independent distribution box 14, when any electric equipment breaks down in work, the electric control elements corresponding to the electric equipment break down with high probability, at the moment, the fault cause can be overhauled and checked through the distribution box 14, the fault troubleshooting efficiency can be improved, and the unit main body 12 can be prevented from being disassembled.

Because the shell 16 of block terminal 14 is connected with the casing 17 of unit main part 12 can be dismantled, realizes block terminal 14 and unit main part 12 detachable effect, consequently, in the maintenance replacement process of block terminal 14, can pull down block terminal 14 whole from unit main part 12, can not receive the influence of unit main part 12 in the maintenance operation process, and the maintainer of convenience operates, has improved maintenance efficiency. And after the distribution box 14 needing to be maintained is disassembled, the other distribution box 14 can be directly installed on the unit main body 12, so that the unit main body 12 can maintain normal work, the disassembled distribution box 14 is taken away for uniform maintenance, and the maintenance time on a working line is reduced, thereby reducing the economic loss of the water chilling unit 10 caused by shutdown.

Referring to fig. 1 and 4, a concave portion 34 is disposed on the outer side of the casing 17 of the main unit 12, and the opening 19 is located below the concave portion 34 and is in communication with the concave portion 34, and the housing 16 of the distribution box 14 is detachably mounted on the concave portion 34. The housing of the electric box 14 in the recessed portion 34 can enhance the compactness of the overall structure of the water chiller 10, reduce the overall volume, and reduce the abrupt feeling of the electric box 14.

The specific position of the concave portion 34 on the casing 17 is not limited, and in this embodiment, the casing 17 is rectangular parallelepiped, and the concave portion 34 is provided at a corner of the casing 17. The concave portion 34 is arranged at the corner, so that the distribution box 14 can move relative to the unit main body 12 in three directions perpendicular to each other, and the disassembly and assembly operations of the distribution box 14 are facilitated.

The specific shape of the concave portion 34 is not limited, in this embodiment, the casing 16 is rectangular, the shape of the concave portion 34 is adapted to the shape of the casing 16, that is, the concave portion 34 is also rectangular and the same in size, and when the casing 16 is received in the concave portion 34, the outer surface of the casing 16 is flush with the outer surface of the casing 17 adjacent to the casing 16, so as to further reduce the volume of the water chiller 10 and the abrupt sense of the distribution box 14.

In one embodiment, the distribution box 14 further includes a first connection structure 18 electrically connected to the electric control element, the unit main body 12 further includes a second connection structure 20 electrically connected to the electric device, the first connection structure 18 and the second connection structure 20 are in plug-in fit, and the electric control element is electrically connected to the electric device through the first connection structure 18 and the second connection structure 20. The first connection structure 18 and the second connection structure 20 are in plug-in connection and match, and the detachable effect can be achieved as well, so that the detachable effect can be achieved by mechanical connection and electric connection between the distribution box 14 and the unit main body 12, the distribution box 14 is not influenced to be detached from the unit main body 12, the plug-in connection and match mode is simple to operate, the disassembly and the assembly are convenient, and the maintenance efficiency can be improved.

In another embodiment, the electric control element and the electric equipment can be directly connected by using a wire, and when the distribution box needs maintenance, the wire connecting the electric control element and the electric equipment can be cut off first so as to detach the distribution box from the unit main body.

The specific forms of the first connection structure 18 and the second connection structure 20 are not limited, and for example, they may be a plug-and-socket fitting or a plug-and-socket fitting connection terminal, so long as electrical connection can be achieved and a detachable effect can be achieved. In the present embodiment, the first connection structure 18 and the second connection structure 20 are both terminals.

The first connection structure 18 includes a first connection line 24 and a first connector 26, one end of the first connection line 24 is electrically connected to the electronic control element, and the other end is electrically connected to the first connector 26. The second connection structure 20 includes a second connection wire 30 and a second connector 32, one end of the first connection wire 24 is connected with the electric device, the other end is electrically connected with the second connector 32, and the first connector 26 and the second connector 32 are in plug-in fit. After the first connector 26 and the second connector 32 are inserted together, the conducting effect can be achieved, the electric control element is electrically connected with the electric equipment, after the first connector 26 and the second connector 32 are disassembled, the disconnecting effect can be achieved, and the influence on the disassembly of the distribution box 14 is avoided.

As shown in fig. 2, in one embodiment, the housing 16 is provided with a through hole 22 communicating with the accommodating cavity, and one end of the first connecting wire 24 connected with the first connector 26 extends to the outside of the housing 16 through the through hole 22 and extends into the interior of the casing 17 through the opening 19 so as to be spliced with the second connector 32 in the interior of the casing 17.

In the assembly process, the first connector 26 and the second connector 32 can be plugged together, then the shell 16 is detachably mounted on the casing 17, in the disassembly process, the shell 16 can be disconnected from the casing 17, and then the first connector 26 and the second connector 32 are separated, so that the connection or disconnection of the shell 16 and the casing 17 and the connection or disconnection of the electric element and the electric equipment can be sequentially performed in two steps, namely, the mechanical connection and the electric connection between the distribution box 14 and the unit main body 12 are performed in two steps, and the disassembly and assembly operations are convenient.

In another embodiment, as shown in fig. 3, the first connector 26 and the first connecting wire 24 are positioned in the housing 16, and one end of the second connecting wire 30 connected with the second connector 32 extends into the housing 16 through the opening 19 and the through hole 22, so that the second connector 32 extends into the housing 16 to be connected with the first connector 26.

In the present embodiment, the distribution box 14 is detachably mounted on the outside of the main unit body 12, so that maintenance personnel can detach the distribution box 14 from the main unit body 12 conveniently. Because the distribution box 14 and the unit main body 12 are two independent modules and are detachably connected, the distribution box 14 can be detached from the unit main body 12 according to actual needs and installed on the energy storage device, and as long as the electric control element in the distribution box 14 is electrically connected with the electric equipment in the unit main body 12, the electric equipment of the unit main body 12 is still controlled, so that the installation of the distribution box 14 is more flexible, and more application scenes can be adapted.

Referring to fig. 4 and 5, in the present embodiment, a positioning column 36 is disposed on the outer side of the housing 16, a positioning hole 38 for inserting the positioning column 36 is correspondingly disposed on the casing 17 of the unit main body 12, the positioning hole 38 is disposed in the concave portion 34, and the shape of the positioning column 36 is adapted to the shape of the positioning hole 38. In the assembly process, the positioning column 36 is aligned to the positioning hole 38, the positioning column 36 is inserted into the positioning hole 38, so that a positioning effect can be formed on the distribution box 14, and after the positioning column 36 is inserted into the positioning hole 38, the unit main body 12 can also form a limiting effect on the distribution box 14, so that the distribution box 14 cannot move relative to the unit main body 12 in the direction perpendicular to the axial direction of the positioning column 36, and the subsequent assembly operation is facilitated.

The outer surface of the housing 16 includes intersecting first and second sub-outer surfaces 161, 162, with the locator post 36 disposed on the first sub-outer surface 161. Specifically, the first sub-outer surface 161 is a circumferential side wall of the housing 16 and the second sub-outer surface 162 is a bottom wall of the housing 16.

In another embodiment, the positioning post may be disposed in a recessed portion of the enclosure, and the positioning hole is disposed on a first sub-outer surface of the housing of the electrical box.

The specific number of the positioning posts 36 and the positioning holes 38 is not limited, and may be one or a plurality. In the present embodiment, the number of the positioning posts 36 and the positioning holes 38 are plural, and correspond to each other one by one, that is, each positioning post 36 can be inserted into a corresponding positioning hole 38, so as to improve the positioning effect of the positioning structure.

The outer side of the distribution box 14 is provided with a fixing lug 40, and the fixing lug 40 is provided with a perforation 42 and is positioned on the inner side of the shell 17 to avoid exposure. The casing 17 is correspondingly provided with a connecting hole 44, and a connecting piece such as a screw or a bolt is arranged through the through hole 42 and the connecting hole 44 and is detachably connected with the fixing lug 40 and the casing 17, so that the distribution box 14 and the unit main body 12 are kept relatively fixed, and the stability of the distribution box 14 is enhanced. Specifically, the fixing lugs 40 are disposed on the second sub-outer surface 162, i.e., the positioning posts 36 and the fixing lugs 40 are located on adjacent sides of the housing 16, respectively. In the assembly process, the first connector 26 and the second connector 32 can be inserted together, then the positioning column 36 is inserted into the corresponding positioning hole 38 to form the positioning and limiting effects, and finally the connecting piece is used for fixing operation, so that the distribution box 14 is installed and fixed on the unit main body 12; in the process of disassembly, the connecting piece can be firstly disassembled from the unit main body 12 and the fixing lug 40, then the distribution box 14 is pushed to enable the positioning column 36 to be withdrawn from the positioning hole 38, the shell 16 and the unit main body 12 can be disconnected, and finally the first connector 26 and the second connector 32 are separated, so that the distribution box 14 can be removed from the unit main body 12.

The specific number of the fixing lugs 40 is not limited, and may be one or a plurality. In the present embodiment, the number of the fixing lugs 40 is two, the two fixing lugs 40 are disposed opposite to each other at a distance, and the two fixing lugs 40 are respectively fixed to opposite sides of the unit main body 12 through connectors.

The specific number of the through holes 42 in each of the fixing lugs 40 is not limited, and may be one or more. In this embodiment, two through holes 42 are provided on each fixing lug 40, so that each fixing lug 40 is fixedly connected with the unit main body 12 through two connectors, so as to enhance the fixing effect.

The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.

Claims (10)

1. The utility model provides a cooling water set, its characterized in that, including unit main part with demountable installation in the block terminal in the unit main part outside, the block terminal is including being equipped with the casing that holds the chamber and accomodating electric control element in the casing, the unit main part include the casing with accomodate in the consumer in the casing, the casing has the opening, the casing demountable installation in the casing covers the opening, electric control element be used for with the consumer electricity is connected in order to right the consumer carries out power supply control.

2. The water chiller according to claim 1 wherein the housing is provided with a recess, the opening being in communication with the recess, the housing being received in the recess.

3. The water chiller according to claim 2 wherein the housing is rectangular in shape and the recess is provided at a corner of the housing.

4. The water chiller according to claim 3 wherein the housing is rectangular, the shape of the recess is adapted to the shape of the housing, the outer surface of the housing is flush with the outer surface of the housing adjacent the housing, and the outer surface of the housing includes first and second intersecting sub-outer surfaces.

5. The water chiller according to claim 4 wherein the first sub-outer surface of the housing is provided with a positioning post, and the recessed portion is correspondingly provided with a positioning hole for the positioning post to insert therein; or alternatively

The concave portion is internally provided with a positioning column, and the first sub-outer surface of the shell is provided with a positioning hole for the positioning column to be inserted.

6. The water chiller according to claim 4 wherein the second sub-outer surface of the housing is provided with a fixing lug, the fixing lug is provided with a through hole and is positioned on the inner side of the housing, the housing is correspondingly provided with a connecting hole, and the connecting piece is arranged through the through hole and the connecting hole and is detachably connected with the fixing lug and the housing.

7. The water chiller according to any of claims 1-6 wherein the power distribution box further comprises a first connection structure electrically connected to the electrical control element, the unit body further comprises a second connection structure electrically connected to the powered device, the first connection structure and the second connection structure are in plug-in fit, and the electrical control element is electrically connected to the powered device through the first connection structure and the second connection structure.

8. The chiller according to claim 7 wherein the first connection structure comprises a first connection wire and a first connector, one end of the first connection wire is connected to the electrical control element, the other end of the first connection wire is electrically connected to the first connector, the second connection structure comprises a second connection wire and a second connector, one end of the second connection wire is connected to the electrical consumer, the other end of the second connection wire is electrically connected to the second connector, and the second connector is in plug-in engagement with the first connector.

9. The water chiller according to claim 8 wherein said housing has a through hole communicating with said receiving chamber, and wherein an end of said first connecting wire connected to said first connector extends into said housing through said through hole and said opening; or (b)

One end of the second connecting wire connected with the second connector penetrates through the opening and the through hole and stretches into the shell.

10. An energy storage system, comprising an energy storage device and a water chiller as claimed in any one of claims 1 to 9, wherein the water chiller is configured to cool the energy storage device.