CN219801057U - Water inlet pipeline and energy storage cabinet of cooling system - Google Patents

Abstract

The utility model discloses a water inlet pipeline of a cooling system and an energy storage cabinet. The water inlet pipeline of the cooling system comprises a main pipe, a first branch pipe, a second branch pipe and a third branch pipe, wherein the main pipe is positioned above the first branch pipe, the upper end of the first branch pipe is communicated with a water outlet of the cooling machine through the main pipe, the first branch pipe is respectively provided with a first pipe connector and a second pipe connector, the first pipe connectors and the second pipe connectors are respectively distributed at intervals along the extending direction of the first branch pipe, the first pipe connectors are positioned at the upstream of the second pipe connectors, the first pipe connectors and the second pipe connectors respectively comprise a first interface communicated with the first branch pipe, the caliber of the first interface of the first pipe connector is smaller than that of the second pipe connector, one end of the second branch pipe is connected with the first interface of the first pipe connector, and one end of the third pipe connector is connected with the first interface of the second pipe connector. The cooling device can reduce the flow difference of the cooling liquid entering each cooling unit and can reduce the power consumption of the cooler.

Description

Water inlet pipeline and energy storage cabinet of cooling system

Technical Field

The utility model relates to the technical field of energy storage equipment, in particular to a water inlet pipeline of a cooling system and an energy storage cabinet comprising the water inlet pipeline of the cooling system.

Background

The outdoor energy storage cabinet is generally provided with a liquid cooling system for cooling the battery packs in the energy storage cabinet, the liquid cooling system comprises a plurality of cooling units, a cooling machine, a water inlet pipeline and a water outlet pipeline, the plurality of cooling units are respectively used for cooling the battery packs in the energy storage cabinet, the cooling units are connected between the water inlet pipeline and the water outlet pipeline, the water outlet pipeline is connected with the water inlet pipeline through the cooling machine, and the flow path of cooling liquid in the liquid cooling system is water inlet pipeline, cooling unit, water outlet pipeline, cooling machine and water inlet pipeline so as to realize the circulation flow of the cooling liquid in the liquid cooling system.

However, the cooling liquid in the existing water inlet pipeline flows from the bottom of the energy storage cabinet to the top, under the influence of gravity, the resistance of the cooling liquid in the water inlet pipeline when flowing is larger, so that the energy consumption of the water chiller is increased, and in addition, the cooling performance difference of each cooling unit is larger, so that the service life of the energy storage cabinet is influenced.

Disclosure of Invention

One object of an embodiment of the utility model is to: provided is a water intake pipe of a cooling system, which can reduce the difference in cooling performance of each cooling unit and can reduce the power consumption of a cooler.

Another object of an embodiment of the utility model is to: the energy storage cabinet is small in heat difference and long in service life.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a cooling system's inlet tube, including being responsible for, first branch pipe, second branch pipe and third branch pipe, be responsible for be located the top of first branch pipe, first branch pipe from top to bottom extends, the upper end of first branch pipe is passed through the person in charge and the delivery port intercommunication of cooler, be provided with first pipe connector and second pipe connector on the first branch pipe respectively, first pipe connector and second pipe connector are respectively along the extending direction interval distribution of first branch pipe, just first pipe connector is located the second pipe connector is located the upper reaches, first pipe connector and second pipe connector all include with the first interface of first branch pipe intercommunication, the bore of first interface of first pipe connector is less than the bore of first interface of second pipe connector, the one end of second branch pipe with first interface connection of first pipe connector, the one end of third pipe connector with first interface connection of second pipe connector.

As a preferred embodiment of the water inlet line of the cooling system, the second pipe connectors have at least two, all the first pipe connectors are distributed at intervals along the extension direction of the first branch pipes, and each second pipe connector corresponds to one second branch pipe.

As a preferable mode of the water inlet pipe of the cooling system, the caliber of the first interface of each first pipe joint is reduced from top to bottom, or the caliber of the first interface of each first pipe joint is the same.

As a preferred embodiment of the water inlet line of the cooling system, the second pipe connectors have at least two, all of them being distributed at intervals along the extension direction of the first branch pipe.

As a preferable mode of the water inlet pipe of the cooling system, the caliber of the first interface of each first pipe joint is reduced from top to bottom, or the caliber of the first interface of each first pipe joint is the same.

As a preferred embodiment of the water intake line of the cooling system, the upper end of the first branch pipe is connected to the main pipe via the second pipe joint.

As a preferred embodiment of the water inlet line of the cooling system, the first branch line comprises at least two line segments, all of which are distributed in sequence from top to bottom, and two adjacent line segments are connected by the first line connector or the second line connector.

As a preferred solution of the water inlet pipe of the cooling system, the main pipe is provided with an exhaust valve.

On the other hand, still provide an energy storage cabinet, including cooling system, its characterized in that, cooling system includes foretell cooling system's water inlet line.

As a preferred scheme of cooling system's energy storage cabinet, including the cabinet body, the cabinet body is inside to be provided with and holds the chamber, hold the chamber lateral wall in chamber, be responsible for including first person in charge, third connector and second person in charge, first person in charge sets up hold the intracavity portion, just the one end of first person in charge with first leg joint, the second person in charge sets up hold the chamber outside, just the one end of second person in charge with the cooler is connected, the third connector includes first joint, second joint and protrusion setting and is in the fastening nut of second joint periphery, the fastening nut be used for with the lateral surface in chamber lateral wall supports tightly, the chamber lateral wall runs through and is provided with the through-hole, the one end of first joint with first person in charge is kept away from first leg's one end is connected, the other end of first joint passes the through-hole with the second connects to be connected, the second connects the one end of first joint with the second person in charge is connected, the second is responsible for the one end of first joint with the second joint, the periphery protrusion is provided with the fastening nut of second joint periphery and the second joint periphery is provided with the tight side of chamber lateral wall and the second joint is provided with the screw thread and extends along the direction is adjusted to have the screw thread to extend.

The beneficial effects of the utility model are as follows: the water inlet pipeline of the structure is characterized in that the main pipe is arranged above the first branch pipe, the cooling liquid of the cooling machine flows downwards from the upper part of the energy storage cabinet, and the cooling liquid does not need to overcome the gravity of the cooling liquid when flowing in the water inlet pipeline, so that the flowing resistance of the cooling liquid is small, and the energy consumption of the cooling machine is reduced. Along with the water flow in the first branch pipe is separated into the second branch pipe and the third branch pipe, the downward flow of the first branch pipe is smaller, the caliber of the first interface of the first pipe connector is smaller than that of the first interface of the second pipe connector, so that the flow distributed to the second branch pipe by the first branch pipe is smaller than that of the third branch pipe, the difference between the flows in the second branch pipe and the third branch pipe can be reduced as much as possible, the flow difference distributed to each cooling unit by the first branch pipe is reduced, and the even cooling of each group of battery packs is facilitated, thereby prolonging the service life of the energy storage cabinet. In addition, in the cooling pipeline, the first branch pipe which is limited by setting the caliber of the first interface of the first pipe connector to be smaller than that of the first interface of the second pipe connector is distributed to the water flow of the second branch pipe and the third branch pipe, and the valve is not required to be additionally arranged to manually adjust the flow, so that the reliability is high, and the manufacturing cost is low.

Drawings

The utility model is described in further detail below with reference to the drawings and examples.

Fig. 1 is a schematic view of an inlet pipe structure of a cooling system according to an embodiment of the utility model.

Fig. 2 is an enlarged view at a in fig. 1.

FIG. 3 is a schematic view showing the connection of the water inlet pipe and the side wall of the cavity of the cooling system according to another embodiment of the present utility model.

Fig. 4 is a joint view of a joint according to an embodiment of the present utility model.

In the figure:

1. a main pipe; 101. a first main pipe; 102. a second main pipe; 2. a first branch pipe; 201. a pipe section; 3. a second branch pipe; 4. a third branch pipe; 5. a first pipe joint; 6. a second pipe joint; 8. a first interface; 9. a third connector; 901. a first joint; 902. a second joint; 903. a fastening block; 904. a fastening nut; 905. adjusting the screw thread; 10. a first connection section; 11. a second connection section; 12. a corrugated section; 13. a first connector; 14. a cavity sidewall; 15. an exhaust valve; 16. and a second connector.

Detailed Description

In order to make the technical problems solved by the present utility model, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments 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 fall within the scope of the utility model.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 4, the water inlet pipeline (hereinafter referred to as water inlet pipeline) of the cooling system provided by the present utility model is mainly applied to the cooling system.

The embodiment also provides an energy storage cabinet, which comprises a cooling system and battery packs, wherein each battery pack is provided with at least two groups, and each group of battery packs are distributed at intervals from top to bottom. The cooling system comprises a water inlet pipeline, a cooling unit, a cooler and a water outlet unit, wherein the cooling unit is used for cooling the battery packs, the cooling unit corresponds to each group of battery packs one by one, the water inlet pipeline is communicated with the water outlet pipeline through the cooling unit, the water inlet of the cooler is communicated with the water outlet of the water outlet pipeline, and the water inlet of the water inlet pipeline is communicated with the water outlet of the cooler. The specific structure of the water inlet pipeline is described in detail below in conjunction with the energy storage cabinet.

The water inlet pipeline comprises a main pipe 1, a first branch pipe 2, a second branch pipe 3 and a third branch pipe 4, wherein the first branch pipe 2 extends from top to bottom, the water chiller and the main pipe 1 are positioned above the first branch pipe 2, and the upper end of the first branch pipe 2 is communicated with a water outlet of the chiller through the main pipe 1. In this embodiment, the second branch pipe 3 and the third branch pipe 4 have the same pipe inner diameter. The first branch pipe 2 is provided with a first pipe joint 5 and a second pipe joint 6, the first pipe joint 5 and the second pipe joint 6 are respectively distributed at intervals along the extending direction of the first branch pipe 2, and the first pipe joint 5 is positioned upstream of the second pipe joint 6. The first pipe joint 5 and the second pipe joint 6 both comprise a first joint 8 communicated with the first pipe joint 2, the caliber of the first joint 8 of the first pipe joint 5 is smaller than that of the first joint 8 of the second pipe joint 6, one end of the second pipe joint 3 is connected with the first joint 8 of the first pipe joint 5, one end of the third pipe joint 4 is connected with the first joint 8 of the second pipe joint 6, and the other end is communicated with a unit in a cooling way. The second branch pipe 3 and the third branch pipe 4 are respectively corresponding to a cooling unit, and one end of the second branch pipe 3 far away from the first branch pipe 2 and one end of the third branch pipe 4 far away from the first branch pipe 2 are respectively connected with the cooling units.

Preferably, the first branch pipe 2 is vertically arranged, and the arrangement mode of the first branch pipe 2 can reduce the length of the first branch pipe 2, so that the cost is saved. In other examples, the first branch pipe 2 may be disposed obliquely.

The cooling liquid in the cooling machine enters the first branch pipes 2 through the main pipe 1, the first branch pipes 2 are distributed into the second branch pipes 3 through the first interfaces 8 of the first pipe connectors 5, and the first branch pipes 2 are distributed into the third branch pipes 4 through the second interfaces of the second pipe connectors 6, and then enter the cooling units corresponding to the battery packs of each group. The water inlet pipeline of the structure is characterized in that the main pipe 1 is arranged above the first branch pipe 2, the cooling liquid of the cooling machine flows downwards from the upper part of the energy storage cabinet, and the cooling liquid does not need to overcome the gravity of the cooling liquid when flowing in the water inlet pipeline, so that the flowing resistance of the cooling liquid is small, and the energy consumption of the cooling machine is reduced. Along with the water flow in the first branch pipe 2 is separated into the second branch pipe 3 and the third branch pipe 4, the lower the flow of the first branch pipe 2 is, the smaller the caliber of the first interface 8 of the first pipe connector 5 is designed to be smaller than the caliber of the first interface 8 of the second pipe connector 6, so that the flow distributed to the second branch pipe 3 by the first branch pipe 2 is smaller than the flow distributed to the third branch pipe 4, the difference between the flows in the second branch pipe 3 and the third branch pipe 4 can be reduced as much as possible, the difference between the flows distributed to each cooling unit by the first branch pipe 2 is reduced, and the uniform cooling of each group of battery packs is facilitated, thereby prolonging the service life of the energy storage cabinet. In addition, in the cooling pipeline, the first branch pipe 2 defined by setting the caliber of the first connector 8 of the first pipe connector 5 smaller than the caliber of the first connector 8 of the second pipe connector 6 is distributed to the water flow of the second branch pipe 3 and the third branch pipe 4, so that the valve is not required to be additionally arranged for manually adjusting the flow, the reliability is high, and the manufacturing cost is low.

In the case of a plurality of groups of battery packs in the energy storage cabinet, the number of the second branch pipes 3 is also increased, the number of the second pipe connectors 6 is at least two, all the first pipe connectors 5 are respectively distributed at intervals along the extending direction of the first branch pipes 2, and each second pipe connector 6 corresponds to one second branch pipe 3.

In the case of at least two first pipe connectors 5, the first ports 8 of the respective first pipe connectors 5 are all of the same diameter. It can be understood that under the condition that the number of the first pipe connectors 5 is small, the calibers of the first connectors 8 of the first pipe connectors 5 are the same, so that the water inlet pipeline can be processed in a standardized manner, and the production is convenient.

In the case of a plurality of groups of battery packs in the energy storage cabinet, the number of the third branch pipes 4 is also increased, and at least two second pipe connectors 6 are provided, and all the second pipe connectors 6 are distributed at intervals along the extending direction of the first branch pipe 2.

In the case of at least two second pipe connectors 6, the first ports 8 of the individual first pipe connectors 5 are all of the same diameter. When the number of the second pipe connectors 6 is small, the calibers of the first connectors 8 of the second pipe connectors 6 are the same, so that the water inlet pipeline can be processed in a standardized way, and the production is convenient.

In this embodiment, the energy storage cabinet includes eight groups of battery packs, eight groups of battery packs are distributed from top to bottom at intervals, the first branch pipe 2 is located at one side of the battery pack, the first branch pipe 2 is vertically arranged, three first pipe connectors 5 and five second pipe connectors 6 are respectively arranged on the first branch pipe 2, each first pipe connector 5 is connected with one second pipe connector 3, each second pipe connector 6 is connected with one third pipe connector 4, because the three second pipe connectors 3 at the top are closest to the main pipe 1, the three second pipe connectors 3 are respectively connected with the cooling units corresponding to the three battery packs at the top, the five third pipe connectors 4 are respectively connected with the battery units corresponding to the other five battery packs, so that the cooling water in the first branch pipe 2 is uniformly distributed into each cooling unit as much as possible. In practical implementation, the number of the first pipe connector 5 and the second pipe connector 6 can be flexibly adjusted according to the number of the battery packs, and the number of the first pipe connector 5 and the second pipe connector 6 is not limited.

In another example, in the case of the first pipe joint 5 having at least two first pipe joints 5, the diameters of the first ports 8 of the respective first pipe joints 5 are sequentially reduced from top to bottom, which is advantageous in ensuring uniform flow in the respective second branch pipes 3 and further reducing the flow gap of the respective cooling units.

In another example, in the case of the second pipe joint 6 having at least two, the diameters of the first ports 8 of the respective first pipe joints 5 are sequentially reduced from top to bottom, which is advantageous in ensuring uniform flow in the respective second branch pipes 3 and further reducing the flow gap of the respective cooling units.

The first branch pipe 2 comprises at least two pipe segments 201, all pipe segments 201 being distributed in sequence from top to bottom, adjacent two pipe segments being connected by a first pipe connector 5 or a second pipe connector 6. In the present example, the first branch pipe 2 comprises seven pipe segments 201, the uppermost pipe segment 201 being connected to the main pipe 1 by a first pipe joint 5. The first branch pipe 2 is formed by assembling at least two pipe sections 201, facilitating the branch pipe of the first branch pipe 2.

The first pipe joint 5 and the second pipe joint 6 each comprise two second interfaces (not shown in the figure), the two second interfaces in the same pipe joint are communicated with the first interface 8, and opposite ends of two adjacent pipes are respectively connected with the two second interfaces of the same pipe joint. The first pipe joint 5 and the second pipe joint 6 are substantially identical in structure, except that the caliber of the first interface 8 of the first pipe joint 5 is smaller than the caliber of the first interface 8 of the second pipe joint 6.

In order to adapt the second branch pipe 3 and the third branch pipe 4 to the position of the cooling unit, the second branch pipe 3 and the third branch pipe 4 each comprise a first connection section 10, a corrugated section 12 and a second connection section 11, which are connected in sequence, the first connection section 10 being connected to the first interface 8 of the first pipe connector 5 or the second pipe connector 6, the second connection section 11 being connected to the cooling unit, in particular the second connection section 11 being provided with a first connection head 13, the first connection head 13 being intended to be connected to the cooling unit.

In order to facilitate the connection of the main pipe 1 with the cooling machine, the end of the main pipe 1 remote from the first branch pipe 2 is provided with a second connection head 16.

It can be understood that the cooling liquid can generate bubbles in the cooling system by continuous circulation flow, and the main pipe 1 is provided with the exhaust valve 15, so that bubbles in the pipeline can be discharged through the exhaust valve 15, the pipeline is prevented from being corroded by the bubbles, the service life of the pipeline is prolonged, and the cooling performance of the cooling system is prevented from being influenced by the bubbles.

Referring to fig. 3 and 4, the energy storage cabinet includes a cabinet body, a receiving cavity is provided inside the cabinet body, a cavity side wall 14 of the receiving cavity is provided, the main pipe 1 includes a first main pipe 101, a third connector 9 and a second main pipe 102, the first main pipe 101 is provided inside the receiving cavity, one end of the first main pipe 101 is connected with the first branch pipe 2, the second main pipe 102 is provided outside the receiving cavity, and one end of the second main pipe 102 is connected with the cooler. The third connector 9 comprises a first connector 901, a second connector 902 and a fastening nut 904 protruding from the periphery of the second connector 902, wherein the fastening nut 904 is used for abutting against the outer side face of the cavity side wall 14, a through hole is formed in the cavity side wall 14 in a penetrating mode, one end of the first connector 901 is connected with one end, far away from the first branch pipe 2, of the first main pipe 101, the other end of the first connector 901 penetrates through the through hole to be connected with the second connector 902, one end, opposite to the first connector 901, of the second connector 902 is connected with the second main pipe 102, a fastening block 903 abutting against the inner side face of the cavity side wall 14 is protruding from the periphery of the first connector 901, an adjusting thread 905 for enabling the fastening nut 904 to be screwed is arranged on the periphery of the second connector 902, and the adjusting thread 905 extends along the length direction of the second connector 902. In the energy storage cabinet, the first main pipe 101 is connected with the second main pipe 102 through the third connector 9, so that the main pipe 1 is convenient to penetrate through the cavity side wall 14, damage to the cavity side wall 14 is reduced, the fastening nuts 904 and the fastening blocks 903 can be clamped on two opposite sides of the cavity side wall 14 by adjusting the positions of the fastening nuts 904 on the second connector 902, the main pipe 1 is locked on the cavity side wall 14, and the stability of a pipeline is improved.

In the description herein, it should be understood that the terms "upper," "lower," "left," "right," and the like are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and to simplify the operation, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for providing a special meaning.

In the description herein, reference to the term "one embodiment," "an example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in the foregoing embodiments, and that the embodiments described in the foregoing embodiments may be combined appropriately to form other embodiments that will be understood by those skilled in the art.

The technical principle of the present utility model is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the utility model and should not be taken in any way as limiting the scope of the utility model. Other embodiments of the utility model will be apparent to those skilled in the art from consideration of this specification without undue burden.

Claims (10)

1. The utility model provides a cooling system's inlet tube way, its characterized in that includes main pipe, first branch pipe, second branch pipe and third branch pipe, the main pipe is located the top of first branch pipe, first branch pipe from top to bottom extends, the upper end of first branch pipe is passed through the main pipe and is linked together with the delivery port of cooler, be provided with first pipe connector and second pipe connector on the first branch pipe respectively, first pipe connector and second pipe connector are respectively along the extending direction interval distribution of first branch pipe, just first pipe connector is located the second pipe connector is located the upper reaches, first pipe connector and second pipe connector all include with the first interface of first branch pipe intercommunication, the bore of first interface of first pipe connector is less than the bore of first interface of second pipe connector, the one end of second branch pipe with first interface connection of first pipe connector, the one end of third pipe connector with first interface connection of second pipe connector.

2. The water inlet line of a cooling system according to claim 1, wherein said second pipe joint has at least two, all of said first pipe joints are respectively spaced apart along the extension direction of said first branch pipes, and each of said second pipe joints corresponds to one of said second branch pipes.

3. The water inlet line of a cooling system according to claim 2, wherein the caliber of the first interface of each first pipe joint decreases from top to bottom in sequence or the caliber of the first interface of each first pipe joint is the same.

4. The water inlet line of a cooling system according to claim 1, wherein said second pipe joint has at least two, all of said second pipe joints being spaced apart along the extension direction of said first branch pipe, respectively.

5. The water inlet line of a cooling system according to claim 2, wherein the caliber of the first interface of each first pipe joint decreases from top to bottom in sequence or the caliber of the first interface of each first pipe joint is the same.

6. The water intake line of a cooling system according to claim 1, wherein an upper end of the first branch pipe is connected to the main pipe through the second pipe joint.

7. The water inlet line of a cooling system according to claim 1, wherein said first branch line comprises at least two pipe segments, all of which are distributed in sequence from top to bottom, adjacent two of which are connected by said first pipe connector or said second pipe connector.

8. A water inlet line for a cooling system according to any one of claims 1 to 7, characterized in that the main pipe is provided with a vent valve.

9. An energy storage cabinet comprising a cooling system, characterized in that the cooling system comprises a water inlet line of the cooling system according to any one of claims 1 to 8.

10. The energy storage cabinet according to claim 9, comprising a cabinet body, wherein an accommodating cavity is formed in the cabinet body, a cavity side wall of the accommodating cavity is formed in the main pipe, the main pipe comprises a first main pipe, a third connector and a second main pipe, the first main pipe is arranged in the accommodating cavity, one end of the first main pipe is connected with the first branch pipe, the second main pipe is arranged outside the accommodating cavity, one end of the second main pipe is connected with the cooler, the third connector comprises a first connector, a second connector and a fastening nut protruding from the periphery of the second connector, the fastening nut is used for being abutted against the outer side surface of the cavity side wall, a through hole is formed in the cavity side wall in a penetrating mode, one end of the first connector is connected with one end of the first main pipe far away from the first branch pipe, the other end of the first connector penetrates through the through hole and is connected with the second connector, one end of the second connector is connected with the second main pipe in a back-to-back mode, the protruding outer side of the first connector is provided with a fastening nut on the periphery of the second main pipe is provided with a fastening nut on the periphery of the second connector, and the fastening nut is provided with a fastening screw thread is arranged on the outer side surface of the cavity side wall, and the fastening nut is in a screw thread extending along the direction.