CN217881675U - Liquid cooling heat abstractor and have its energy storage battery module - Google Patents

Abstract

The utility model relates to a liquid cooling heat abstractor and have its energy storage battery module, including cross valve and water conservancy diversion subassembly, the cross valve includes first cavity, second cavity, third cavity and fourth cavity, is equipped with main water inlet on the first cavity, is equipped with main delivery port on the third cavity, first cavity and fourth cavity intercommunication, second cavity and third cavity intercommunication; a first water inlet is formed in the first chamber, and a first water return port is formed in the second chamber; a second water inlet is formed in the fourth chamber, and a second water return port is formed in the third chamber; the flow guide assembly comprises a first flow guide channel and a second flow guide channel, the first flow guide channel comprises a first flow guide inlet and a first flow guide outlet, and the second flow guide channel comprises a second flow guide inlet and a second flow guide outlet. The flow guide assembly for cooling is not arranged at the bottom of the energy storage battery any longer, and does not need bearing, so that the wall thickness of the flow guide assembly can be reduced, the occupied space is reduced, and the energy density of the energy storage battery is increased.

Description

Liquid cooling heat abstractor and have its energy storage battery module

Technical Field

The utility model belongs to the technical field of the energy storage technique and specifically relates to a liquid cooling heat abstractor and have its energy storage battery module is related to.

Background

With the development of technology, in the energy storage industry, large-scale energy storage technology has many advantages due to its convenient use, energy conservation and environmental protection, so that the large-scale energy storage technology is increasingly used in various production and living scenes.

The large energy storage battery has a large volume and has certain requirements on space utilization and heat dissipation; at present, aiming at a large energy storage battery, a liquid cooling plate is arranged at the bottom of the energy storage battery to realize heat dissipation of the large energy storage battery, and the heat dissipation mode mainly has the following defects:

1. because the liquid cooling plate is positioned at the bottom of the energy storage battery and needs to be capable of bearing the weight of the energy storage battery, after the bearing requirement is met, the thickness of the liquid cooling plate is increased, the occupied internal space is large, the energy density is reduced, and meanwhile, the heat dissipation effect is reduced;

2. due to the bearing and space limitation of the large energy storage battery, only one layer of flow channel can be arranged in the liquid cooling plate, and the requirement is met by adopting a large-size single-layer flow channel profile process, so that the process forming difficulty is increased;

3. due to the fact that the single-layer flow channel is adopted, the cooling liquid enters from the inlet and is discharged from the outlet, the temperature of the cooling liquid is increased in the whole process, the temperature of the portion close to the inlet is low, the temperature of the portion close to the outlet is high, the temperature of the energy storage battery is different, and the service life of the energy storage battery is affected.

Disclosure of Invention

The utility model aims to solve the technical problem that a liquid cooling heat abstractor that does not influence the space utilization and can improve the radiating effect and have its energy storage battery is provided.

The utility model provides a technical scheme that its technical problem adopted is: a liquid cooling heat dissipation device comprises a four-way valve and a flow guide assembly connected to the four-way valve, wherein the four-way valve comprises a first cavity, a second cavity, a third cavity and a fourth cavity, a main water inlet is formed in the first cavity, a main water outlet is formed in the third cavity, the first cavity is communicated with the fourth cavity, and the second cavity is communicated with the third cavity; a first water inlet is formed in the first chamber, and a first water return port is formed in the second chamber; a second water inlet is formed in the fourth chamber, and a second water return port is formed in the third chamber; the flow guide assembly comprises a first flow guide channel and a second flow guide channel, the first flow guide channel comprises a first flow guide inlet connected with the first water inlet and a first flow guide outlet communicated with the first water return port, and the second flow guide channel comprises a second flow guide inlet communicated with the second water inlet and a second flow guide outlet communicated with the second water return port.

Further specifically, the water conservancy diversion subassembly is including the shell that is the cuboid the inside baffle that sets up of shell, by the baffle falls into first cavity and second cavity with the shell is inside, first water conservancy diversion passageway sets up in first cavity, second water conservancy diversion passageway sets up in the second cavity.

More specifically, the first flow guide channel and the second flow guide channel have the same structure, and the flow directions of the cooling liquid in the first flow guide channel and the second flow guide channel are opposite, and heat exchange is realized through the baffle.

More specifically, a middle partition plate, a water inlet partition plate positioned on one side of the middle partition plate, a water return partition plate positioned on the other side of the middle partition plate and a connecting partition plate are arranged in the first cavity, the number of the water inlet partition plates is even, and the number of the water return partition plates is even;

the connecting partition plate is connected with a middle partition plate, an even-number water inlet partition plate and an even-number water return partition plate, and the middle partition plate, the odd-number water inlet partition plate and the odd-number water return partition plate are all connected to the inner wall of one side of the first cavity; the first flow guide inlet is arranged between the middle partition plate and the first water inlet partition plate, and the first flow guide outlet is arranged between the middle partition plate and the first water return partition plate; a channel is formed between the connecting clapboard and the inner wall at the other side of the first flow guide channel; the water inlet partition plate and the water return partition plate are counted in the sequence from the position close to the middle partition plate to the position far away from the middle partition plate.

Further specifically, the number of the water inlet partition plates is 2, the number of the water return partition plates is 2, and the water inlet partition plates and the water return partition plates are distributed in a mirror image mode by taking the middle partition plate as a center.

Further specifically, the four-way valve is a cuboid with a hollow cavity inside, a first partition plate and a second partition plate are arranged in the hollow cavity, a third partition plate and a fourth partition plate are arranged between the first partition plate and the second partition plate, the first partition plate, the second partition plate, the third partition plate and the fourth partition plate enclose a flow guide cavity, a fifth partition plate and a sixth partition plate are arranged in the flow guide cavity, the fifth partition plate and the sixth partition plate are arranged in an intersecting mode, and the flow guide cavity is divided into the first cavity, the second cavity, the third cavity and the fourth cavity.

Further specifically, a first groove, a second groove, a third groove and a fourth groove are formed in the fifth partition board or the sixth partition board, the fifth partition board or the sixth partition board includes a first surface and a second surface which are oppositely arranged, the first groove and the second groove are arranged on the first surface in a staggered manner, and the third groove and the fourth groove are arranged on the second surface in a staggered manner; the first groove and the second groove on the first surface are staggered with the third groove and the fourth groove on the second surface; a water inlet passage communicated with the fourth groove is formed in the position, close to the fourth groove, of the first groove, and a water return passage communicated with the third groove is formed in the position, close to the third groove, of the second groove; the first groove is arranged in the first cavity, the second groove is arranged in the second cavity, the third groove is arranged in the third cavity, and the fourth groove is arranged in the fourth cavity.

Further specifically, a water inlet channel is formed between one side, far away from the diversion chamber, of the first partition plate and the inner wall of the hollow cavity, and a water return channel is formed between one side, far away from the diversion chamber, of the second partition plate and the inner wall of the hollow cavity.

More specifically, the first water inlets are arranged in two and are oppositely arranged, the second water inlets are arranged in two and are oppositely arranged, the first water return ports are arranged in two and are oppositely arranged, and the second water return ports are arranged in two and are oppositely arranged; the water conservancy diversion subassembly is provided with two and is located the cross valve both sides.

More specifically, a heat insulation material is filled between the first partition plate and the second partition plate outside the diversion chamber.

The utility model provides an energy storage battery module, includes a plurality of monomer energy storage battery, and is a plurality of energy storage battery divide into at least two sets ofly, every group energy storage battery supports and leans on in the aforesaid liquid cooling heat abstractor in the arbitrary one side of water conservancy diversion subassembly.

The utility model has the advantages that: after the structure is adopted, the flow guide assembly for cooling is not arranged at the bottom of the energy storage battery any more, the energy storage battery is not required to bear the weight, the wall thickness of the flow guide assembly can be reduced, the occupied space of the flow guide assembly is reduced, and the energy density of the energy storage battery is increased; meanwhile, the material and the processing technology of the flow guide assembly can be more selected if the flow guide assembly is not loaded any more; through the setting of two-layer water conservancy diversion subassembly, the liquid in the two-layer water conservancy diversion subassembly carries out the heat exchange, can guarantee that the temperature deviation between the liquid is less relatively, guarantees that energy storage battery temperature is even.

Drawings

Fig. 1 is a schematic structural view of the liquid cooling heat dissipation device of the present invention;

FIG. 2 is a first schematic structural diagram of the four-way valve of the present invention;

FIG. 3 is an enlarged schematic view of the portion X in FIG. 2;

FIG. 4 is a schematic structural diagram II of the four-way valve of the present invention;

FIG. 5 is an enlarged schematic view of the Y-section of FIG. 4;

FIG. 6 is a schematic diagram of a top view structure of the four-way valve of the present invention;

FIG. 7 is a schematic cross-sectional view of section E-E of FIG. 6;

FIG. 8 is a cross-sectional view of the portion F-F in FIG. 6;

FIG. 9 is a schematic sectional view of the portion G-G in FIG. 6;

FIG. 10 is an enlarged view of the structure of the portion Z in FIG. 9;

fig. 11 is a schematic structural view of the flow guiding assembly of the present invention;

fig. 12 is a schematic top view of the flow guiding assembly of the present invention;

FIG. 13 is a schematic cross-sectional view of the portion H-H in FIG. 12;

fig. 14 is a schematic structural diagram of the energy storage battery module according to the present invention.

In the figure: 100. a four-way valve; 101. a first chamber; 102. a second chamber; 103. a third chamber; 104. a fourth chamber; 105. a main water inlet; 106. a main water outlet; 107. a first water inlet; 108. a first water return port; 109. a second water return port; 110. a second water inlet; 111. a first separator; 112. a second separator; 113. a third partition plate; 114. a fourth separator; 115. a fifth partition plate; 116. a sixth partition plate; 117. a first groove; 118. a second groove; 119. a third groove; 120. a fourth groove; 121. a water return passageway; 122. a water inlet channel; 123. a water return channel; 124. a water inlet joint; 125. a water return joint; 126. a gap; 127. a support cavity; 128. reinforcing ribs;

200. a flow guide assembly; 201. a front panel; 202. a top panel; 203. a bottom panel; 204. a left side panel; 205. a right side panel; 206. a first flow guide inlet; 207. a first diversion outlet; 208. a second diversion outlet; 209. a second diversion inlet; 210. a baffle plate; 211. a middle partition plate; 212. a first water inlet partition; 213. a second water inlet baffle; 214. a first backwater partition; 215. a second backwater baffle; 216. connecting the partition boards; 217. a first water inlet baffling port; 218. a second water inlet baffling port; 219. a third water inlet baffling port; 220. a first water return baffling port; 221. a second backwater baffling port; 222. a third backwater baffling port;

300. an energy storage battery.

Detailed Description

The technical solutions of the present invention will be described more clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 to 14, the liquid-cooled heat dissipation apparatus includes a four-way valve 100 and a flow guide assembly 200 connected to the four-way valve 100, the four-way valve 100 includes a first chamber 101, a second chamber 102, a third chamber 103 and a fourth chamber 104, the first chamber 101 is provided with a main water inlet 105, the third chamber 103 is provided with a main water outlet 106, the first chamber 101 is communicated with the fourth chamber 104, and the second chamber 102 is communicated with the third chamber 103; a first water inlet 107 is arranged on the first chamber 101, and a first water return 108 is arranged on the second chamber 102; a second water inlet 110 is arranged on the fourth chamber 104, and a second water return opening 109 is arranged on the third chamber 103; the flow guiding assembly 200 includes a first flow guiding channel and a second flow guiding channel, the first flow guiding channel includes a first flow guiding inlet 206 connected to the first water inlet 107 and a first flow guiding outlet 207 communicated with the first water return port 108, and the second flow guiding channel includes a second flow guiding inlet 209 communicated with the second water inlet 110 and a second flow guiding outlet 208 communicated with the second water return port 109.

The cooling liquid firstly enters the first chamber 101 through a main water inlet 105 on the four-way valve 100, and because the first chamber 101 is communicated with the fourth chamber 104, the cooling liquid enters the fourth chamber 104 through the first chamber 101; the cooling liquid in the first chamber 101 enters the first flow guide channel through the first water inlet 107 and the first flow guide inlet 206 and cools the energy storage battery 300 tightly attached to the first flow guide channel, the cooling liquid completes circulation in the first flow guide channel, then enters the second chamber 102 from the first flow guide outlet 207 and the first water return opening 108, and enters the third chamber 103 and is discharged from the main water outlet 106 on the third chamber 103 due to the communication between the second chamber 102 and the third chamber 103; meanwhile, the cooling liquid in the fourth chamber 104 enters the second flow guide channel through the second water inlet 110 and the second flow guide inlet 209 and cools the energy storage battery 300 tightly attached to the second flow guide channel, the cooling liquid completes circulation in the second flow guide channel, then enters the third chamber 103 from the second flow guide outlet 208 and the second water return port 109, and the cooling liquid is discharged from the main water outlet 106 on the third chamber 103.

Based on the above structure, as a further embodiment of the present disclosure, as shown in fig. 2 to 10, the four-way valve 100 is a rectangular parallelepiped having a hollow cavity therein, a first partition 111 and a second partition 112 are vertically disposed in parallel in the hollow cavity, a third partition 113 and a fourth partition 114 are disposed between the first partition 111 and the second partition 112, the third partition 113 and the fourth partition 114 are disposed in parallel, a diversion chamber is enclosed by the first partition 111, the second partition 112, the third partition 113 and the fourth partition 114, a fifth partition 115 and a sixth partition 116 are disposed in the diversion chamber, the fifth partition 115 is disposed between the third partition 113 and the fourth partition 114 and is parallel to the first partition 111, and the sixth partition 116 is disposed between the first partition 111 and the second partition 112 and is parallel to the third partition 113; as shown in fig. 10, the fifth partition 115 and the sixth partition 116 divide the flow guiding chamber into a first chamber 101 located at the upper rear corner, a second chamber 102 located at the lower rear corner, a third chamber 103 located at the upper front corner, and a fourth chamber 104 located at the lower front corner.

Further, in order to facilitate the communication between the first chamber 101 and the fourth chamber 104, the second chamber 102 and the third chamber 103, the fifth partition plate 115 or the sixth partition plate 116 is provided with a first groove 117, a second groove 118, a third groove 119 and a fourth groove 120, which are provided on the fifth partition plate 115 in this embodiment, and the following description will be made by providing the first groove 117, the second groove 118, the third groove 119 and the fourth groove 120 on the fifth partition plate 115.

The fifth partition plate 115 comprises a first surface and a second surface which are oppositely arranged, the first surface is positioned at one side of the first chamber 101 and the second chamber 102, and the second surface is positioned at one side of the third chamber 103 and the fourth chamber 104; as shown in fig. 7, the first surface is divided into four regions, namely, A1 region, A2 region, A3 region and A4 region, where the A1 region corresponds to the upper left portion of the first surface, the A2 region corresponds to the upper right portion of the first surface, the A3 region corresponds to the lower left portion of the first surface, and the A4 region corresponds to the lower right portion of the first surface; as shown in fig. 8, the second surface is also divided into four regions, namely, a B1 region, a B2 region, a B3 region and a B4 region, where the B1 region is opposite to the A1 region, that is, the back of the A1 region is the B1 region, the B2 region is opposite to the A2 region, that is, the back of the A2 region is the B2 region, the B3 region is opposite to the A3 region, that is, the back of the A3 region is the B3 region, and the B4 region is opposite to the A4 region, that is, the back of the A4 region is the B4 region; the A1 area, the A2 area, the A3 area and the A4 area are separated by a sixth partition plate 116, the B1 area, the B2 area, the B3 area and the B4 area are separated by the sixth partition plate 116, the A1 area and the A2 area are simultaneously located in the first chamber 101, the A3 area and the A4 area are simultaneously located in the second chamber 102, the B1 area and the B2 area are simultaneously located in the third chamber 103, and the B3 area and the B4 area are simultaneously located in the fourth chamber 104; the first groove 117 is disposed in the region A2, the second groove 118 is disposed in the region A3, the third groove 119 is disposed in the region B1, and the fourth groove 120 is disposed in the region B4, that is, the first groove 117 and the second groove 118 are staggered on the first surface, the third groove 119 and the fourth groove 120 are staggered on the second surface, and the first groove 117 and the second groove 118 on the first surface, and the third groove 119 and the fourth groove 120 on the second surface are staggered on different surfaces.

A water inlet passage is provided at a position of the first groove 117 adjacent to the fourth groove 120, the water inlet passage communicates the first chamber 101 with the fourth chamber 104 through the sixth partition 116, and a water return passage 121 is provided at a position of the second groove 118 adjacent to the third groove 119 as shown in fig. 10, the water return passage 121 communicates the second chamber 102 with the third chamber 103 through the sixth partition 116.

As shown in fig. 2, 4, and 9, a water inlet channel 122 is formed between one side of the first partition plate 111, which is far away from the diversion chamber, and the inner wall of the hollow cavity, a water return channel 123 is formed between one side of the second partition plate 112, which is far away from the diversion chamber, and the inner wall of the hollow cavity, a water inlet joint 124 is arranged at the top of the water inlet channel 122, the water inlet joint 124 is used for receiving input of external coolant, a water return joint 125 is arranged at the top of the water return channel 123, and the water return joint 125 is used for outputting the coolant to the outside; the main water inlet 105 is communicated with the water inlet channel 122, and the main water return 106 is communicated with the water return channel 123; and a gap 126 between the first partition plate 111 and the second partition plate 112 outside the diversion chamber is filled with a heat insulation material for separating the water inlet passage 122 from the water return passage 123, so that heat exchange of the cooling liquid before entering the diversion assembly 200 is avoided.

A supporting cavity 127 is arranged beside the water inlet passage 122 and the water return passage 123, and a plurality of reinforcing ribs 128 with different inclination angles are arranged in the supporting cavity 127; four-way valve 100, support cavity 127 and stiffener 128 may be integrally formed of plastic.

The flow guide assembly 200 shown in fig. 11 to 13 includes a rectangular parallelepiped housing, the external shape of which may have various forms and may be individually designed according to the shape of the side surface of the energy storage battery 300; the cuboid is far greater than the thickness of the cuboid, the housing mainly comprises a front panel 201, a rear panel, a top panel 202 arranged at the top ends of the front panel 201 and the rear panel, a bottom panel 203 arranged at the bottom ends of the front panel 201 and the rear panel, and a left side panel 204 and a right side panel 205 arranged at two sides of the front panel 201 and the rear panel, wherein the top panel 202, the bottom panel 203, the left side panel 204 and the right side panel 205 are arranged along the thickness direction, the front panel 201 is parallel to the rear panel, the top panel 202 is parallel to the bottom panel 203, and the left side panel 204 is parallel to the right side panel 205; the first guide inlet 206 and the first guide outlet 207 of the first guide channel are positioned on the left side panel 204; a baffle 210 is arranged inside the shell, the baffle 210 is positioned between the front panel 201 and the rear panel and is parallel to the front panel 201, the baffle 210 divides the inside of the shell into a first cavity and a second cavity, the first flow guide channel is arranged in the first cavity, and the second flow guide channel is arranged in the second cavity.

In order to ensure that the cooling liquid in the first cavity and the cooling liquid in the second cavity can well cool the energy storage battery 300, the directions of a first flow guide channel in the first cavity and a second flow guide channel in the second cavity need to be designed; the first flow guide channel and the second flow guide channel have the same structure, and meanwhile, the flow directions of the cooling liquid in the first flow guide channel and the second flow guide channel are opposite, so that heat exchange can be realized through the baffle 210, and therefore, the temperature difference of the cooling liquid is not large, and the temperature uniformity of the whole energy storage battery 300 is ensured; the structure of the interior of the first flow guide passage will be described in detail below.

A middle partition plate 211 is arranged in the first cavity, the middle partition plate 211 is parallel to the top panel 202 and the bottom panel 203, the middle partition plate 211 divides the first cavity into a water inlet cavity and a water return cavity, the water inlet cavity is internally provided with a water inlet partition plate, the water return cavity is internally provided with a water return partition plate, and meanwhile, a connecting partition plate 216 is also arranged, the connecting partition plate 216 simultaneously extends into the water inlet cavity and the water return cavity, wherein the number of the water inlet partition plates is even, and the number of the water return partition plates is even;

the connecting partition plate 216 is connected with the middle partition plate 211, the even-numbered water inlet partition plates and the even-numbered water return partition plates, a channel is formed between the connecting partition plate 216 and the right side panel 205, and the middle partition plate 211, the odd-numbered water inlet partition plates and the odd-numbered water return partition plates are all connected to the left side panel 204; the first diversion inlet 206 is arranged between the middle partition 211 and the first water inlet partition, and the first diversion outlet 207 is arranged between the middle partition 211 and the first water return partition; the water inlet partition plate and the water return partition plate are counted from the position close to the middle partition plate 211 to the position far away from the middle partition plate 211; the arrangement may be selected according to the size of the particular housing.

The following describes the total number of the water inlet partition plates as 2 and the total number of the water return partition plates as 2 in detail.

At this time, the water inlet partition plates are respectively a first water inlet partition plate 212 and a second water inlet partition plate 213; the water return partition plates are respectively a first water return partition plate 214 and a second water return partition plate 215; the middle partition 211 is arranged at the middle position of the first cavity, and the water inlet partition and the water return partition are distributed in a mirror image mode by taking the middle partition 211 as a center; the left end of the middle partition 211 is connected to the left side panel 204, and the right end of the middle partition 211 is connected to the connecting partition 216; the left end part of the first water inlet partition plate 212 is connected to the left side panel 204, and a first water inlet baffling port 217 is formed between the right end part of the first water inlet partition plate 212 and the connecting partition plate 216; a second water inlet baffling opening 218 is formed between the left end part of the second water inlet partition plate 213 and the left side panel 204, and the right end part of the second water inlet partition plate 213 is connected with the top end part of the connecting partition plate 216; a third water inlet baffling opening 219 is formed between the top end part of the connecting clapboard 216 and the top panel 202; the left end of the first water return partition plate 214 is connected to the left side panel 204, and a first water return baffling opening 220 is formed between the right end of the first water return partition plate 214 and the connecting partition plate 216; a second water return baffling port 221 is formed between the left end of the second water return partition 215 and the left side panel 204, and the right end of the second water return partition 215 is connected with the bottom end of the connecting partition 216; a third water return baffle port 222 is formed between the bottom end of the connecting partition 216 and the bottom panel 203.

The flow path of the cooling liquid is that the cooling liquid enters a space between a first water inlet partition 212 and a middle partition 211 from a first flow guide inlet 206, flows transversely rightward to a first water inlet deflection port 217, after passing through the first water inlet deflection port 217, the cooling liquid changes from flowing rightward to flowing leftward and enters a space between the first water inlet partition 212 and a second water inlet partition 213, the cooling liquid transversely flows leftward to a second water inlet deflection port 218, changes the direction to flow transversely rightward again, enters a third water inlet deflection port 219 through the flow guide of the second water inlet partition 213 and the top panel 202, changes the flow direction of the cooling liquid from flowing transversely rightward to flowing vertically downward, flows to a third water return deflection port 222 through a passage connecting the partition 216 and the right panel 205, changes the flow direction of the cooling liquid from flowing vertically downward to transversely leftward through a passage between the second water return partition 215 and the bottom panel 203 to a second water return deflection port 221, changes the direction of the cooling liquid to flowing transversely leftward through a passage between the first water return deflection port 215 and the bottom panel 203 to a flow passage through a transverse water return baffle 220, and changes the direction of the cooling liquid from flowing transversely to flowing leftwards to a first water return water outlet 220, and flows between the first water return baffle 220 to a first return water baffle 220, and flows through a first return water deflection port 221.

The first guide inlet 206 of the first guide passage is located above the middle partition 211, and the first guide outlet 207 is located below the middle partition 211; in order to ensure that the flow directions of the cooling liquid in the first flow guide channel and the second flow guide channel are opposite, the second flow guide inlet 209 of the second flow guide channel is arranged below the middle partition 211, and the second flow guide outlet 208 is arranged above the middle partition 211.

Based on the structure, the four-way valve 100 can be arranged in the middle, and two sides of the four-way valve 100 are respectively provided with a flow guide assembly 200 which is a flow guide assembly C and a second flow guide assembly D; two first water inlets 107 on the four-way valve 100 are arranged and oppositely arranged, namely a first water inlet C and a first water inlet D, two second water inlets 110 are arranged and oppositely arranged, namely a second water inlet C and a second water inlet D, two first water return ports 108 are arranged and oppositely arranged, namely a first water return port C and a first water return port D, and two second water return ports 109 are arranged and oppositely arranged, namely a second water return port C and a second water return port D; the flow guide assembly C is correspondingly connected to the first water inlet C, the first water return port C, the second water inlet C and the second water return port C respectively; the flow guide assembly D is correspondingly connected to the first water inlet D, the first water return port D, the second water inlet D and the second water return port D respectively.

As shown in fig. 14, the liquid-cooled heat dissipation device is applied to a large energy storage battery to form an energy storage battery module, where the energy storage battery module includes a plurality of energy storage batteries 300, at least two groups of the energy storage batteries 300 are provided, and each group of the energy storage batteries 300 abuts against the liquid-cooled heat dissipation device; in this embodiment, there are four groups of energy storage batteries 300, there are two groups of the flow guiding assemblies 200, and the four groups of energy storage batteries 300 respectively abut against the two groups of flow guiding assemblies 200.

In summary, after the structure is adopted, the flow guide assembly 200 for cooling is no longer arranged at the bottom of the energy storage battery 300, and no load bearing is needed on the energy storage battery 300, so that the wall thickness of the flow guide assembly 200 can be reduced, the occupied space of the flow guide assembly is reduced, and the energy density of the energy storage battery 300 is increased; meanwhile, if the bearing is not carried, more choices can be made for the material and the processing technology of the flow guide assembly 200; through the setting of two-layer water conservancy diversion passageway, the liquid in the two-layer water conservancy diversion passageway carries out the heat exchange, can guarantee that the temperature deviation between the liquid is less relatively, guarantees that energy storage battery 300 temperature is even.

It is to be emphasized that: the above is only a preferred embodiment of the present invention, and the present invention is not limited to any form, and any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention are all within the scope of the technical solution of the present invention.

Claims (11)

1. The liquid cooling heat dissipation device is characterized by comprising a four-way valve (100) and a flow guide assembly (200) connected to the four-way valve (100), wherein the four-way valve (100) comprises a first chamber (101), a second chamber (102), a third chamber (103) and a fourth chamber (104), a main water inlet (105) is formed in the first chamber (101), a main water outlet (106) is formed in the third chamber (103), the first chamber (101) is communicated with the fourth chamber (104), and the second chamber (102) is communicated with the third chamber (103); a first water inlet (107) is arranged on the first chamber (101), and a first water return opening (108) is arranged on the second chamber (102); a second water inlet (110) is formed in the fourth cavity (104), and a second water return port (109) is formed in the third cavity (103); the flow guide assembly (200) comprises a first flow guide channel and a second flow guide channel, the first flow guide channel comprises a first flow guide inlet (206) connected with the first water inlet (107) and a first flow guide outlet (207) communicated with the first water return port (108), and the second flow guide channel comprises a second flow guide inlet (209) communicated with the second water inlet (110) and a second flow guide outlet (208) communicated with the second water return port (109).

2. The liquid-cooled heat sink of claim 1, wherein the fluid-directing assembly (200) comprises a rectangular housing, a baffle (210) is disposed within the housing, the baffle (210) divides the housing into a first chamber and a second chamber, the first fluid-directing passage is disposed within the first chamber, and the second fluid-directing passage is disposed within the second chamber.

3. The liquid-cooled heat sink according to claim 2, wherein the first and second channels are identical in structure, and the flow of the cooling liquid in the first and second channels is reversed and heat exchange is achieved by the baffle (210).

4. The liquid-cooled heat sink according to claim 3, wherein a middle partition (211), a water inlet partition located at one side of the middle partition (211), a water return partition located at the other side of the middle partition (211), and a connecting partition (216) are disposed in the first chamber, the number of the water inlet partitions is even, and the number of the water return partitions is even;

the connecting partition plate (216) is connected with a middle partition plate (211), an even-number water inlet partition plate and an even-number water return partition plate, and the middle partition plate (211), the odd-number water inlet partition plate and the odd-number water return partition plate are all connected to the inner wall of one side of the first cavity; the first flow guide inlet (206) is arranged between the middle partition plate (211) and the first water inlet partition plate, and the first flow guide outlet (207) is arranged between the middle partition plate (211) and the first water return partition plate; a channel is formed between the connecting clapboard (216) and the inner wall of the other side of the first flow guide channel; the water inlet partition plate and the water return partition plate are counted from the position close to the middle partition plate (211) to the position far away from the middle partition plate (211).

5. The liquid-cooled heat sink of claim 4, wherein the number of the water inlet partition plates is 2, the number of the water return partition plates is 2, and the water inlet partition plates and the water return partition plates are both arranged in a mirror image manner with the middle partition plate (211) as a center.

6. The liquid-cooled heat dissipating device of claim 1, wherein the four-way valve (100) is a rectangular parallelepiped having a hollow cavity therein, a first partition (111) and a second partition (112) are disposed in the hollow cavity, a third partition (113) and a fourth partition (114) are disposed between the first partition (111) and the second partition (112), the first partition (111), the second partition (112), the third partition (113) and the fourth partition (114) enclose a flow guiding chamber, a fifth partition (115) and a sixth partition (116) are disposed in the flow guiding chamber, and the fifth partition (115) and the sixth partition (116) intersect with each other and divide the flow guiding chamber into the first chamber (101), the second chamber (102), the third chamber (103) and the fourth chamber (104).

7. The liquid-cooled heat sink according to claim 6, wherein a first groove (117), a second groove (118), a third groove (119) and a fourth groove (120) are disposed on the fifth partition plate (115) or the sixth partition plate (116), the fifth partition plate (115) or the sixth partition plate (116) comprises a first surface and a second surface which are disposed opposite to each other, the first groove (117) and the second groove (118) are disposed on the first surface and arranged in a staggered manner, and the third groove (119) and the fourth groove (120) are disposed on the second surface and arranged in a staggered manner; the first groove (117) and the second groove (118) of the first surface are arranged in a staggered manner with the third groove (119) and the fourth groove (120) of the second surface; a water inlet passage communicated with the fourth groove (120) is formed in the position, close to the fourth groove (120), of the first groove (117), and a water return passage (121) communicated with the third groove (119) is formed in the position, close to the third groove (119), of the second groove (118); the first groove (117) is disposed in the first chamber (101), the second groove (118) is disposed in the second chamber (102), the third groove (119) is disposed in the third chamber (103), and the fourth groove (120) is disposed in the fourth chamber (104).

8. The liquid-cooled heat sink according to claim 6, wherein a water inlet passage (122) is formed between the first partition (111) and the hollow cavity on the side away from the fluid guiding chamber, and a water return passage (123) is formed between the second partition (112) and the hollow cavity on the side away from the fluid guiding chamber.

9. The liquid-cooled heat sink according to claim 1, wherein the first water inlets (107) are disposed in two opposite directions, the second water inlets (110) are disposed in two opposite directions, the first water return inlets (108) are disposed in two opposite directions, and the second water return inlets (109) are disposed in two opposite directions; the flow guide assembly (200) is provided with two flow guide assemblies and is positioned on two sides of the four-way valve (100).

10. The liquid-cooled heat sink according to claim 6, wherein a thermal insulation material is filled between the first partition (111) and the second partition (112) outside the diversion chamber.

11. An energy storage battery module, comprising a plurality of energy storage batteries (300), wherein the plurality of energy storage batteries (300) are divided into at least two groups, and each group of energy storage batteries (300) is abutted against any side of the flow guide assembly (200) in the liquid-cooled heat dissipation device according to any one of claims 1 to 10.

Images