Forced heat exchange uniform temperature flow channel structure

Abstract

The utility model provides a forced heat exchange uniform temperature flow channel structure which comprises a cover plate and a base plate, and the cover plate and the base plate are correspondingly attached and connected in a sealed mode. A water inlet position and a water outlet position are arranged on the cover plate, and joints are welded and processed at the water inlet position and the water outlet position to form a water inlet joint and a water outlet joint; a flow channel structure is arranged in the base plate, the flow channel structure comprises a flow channel main loop and a plurality of branch flow channels connected with the flow channel main loop, and the flow channel main loop is communicated with a water path inlet and a water path outlet; the water inlet connector and the water outlet connector are correspondingly connected with the water way inlet and the water way outlet in an attached mode respectively. The forced heat exchange temperature equalizing runner structure disclosed by the utility model has the advantages of fine runner, strong heat dissipation capability, good temperature equalizing effect, simple structure, low production difficulty, large process cost advantage, higher safety coefficient, longer cycle life and the like, and can be widely applied to energy storage products, and the battery is ensured to be at a proper environment temperature in the whole life cycle.

Description

TECHNICAL FIELD

[0001] The utility model belongs to new energy battery structure raw material technical field especially, it is a kind of forced heat exchange temperature equalization runner structure. BACKGROUND

[0002] In recent years, with the increasing attention of the state to new energy, and the increasing of energy storage power station and new energy vehicle sales, battery plug-in box has also been rapidly developed. Battery plug-in box needs better cooling scheme and better temperature control effect to ensure the safety and service life of battery. The utility model designs a forced heat exchange temperature equalization runner structure, which can satisfy rapid and efficient heat dissipation and ensure that the whole life cycle of battery is in suitable environmental temperature. INVENTION CONTENTS

[0003] Therefore, the utility model aims at providing a forced heat exchange temperature equalization runner structure, which realizes real-time removal of heat generated by battery, differential design according to inlet and outlet positions and module positions, local strengthening of heat dissipation area and control of water flow, optimal heat equalization effect according to simulation full-flow velocity vector analysis, and meets the highest temperature and overall temperature difference in design expectation under various working conditions of battery.

[0004] The utility model embodiment provides a kind of forced heat exchange temperature equalization runner structure, a kind of forced heat exchange temperature equalization runner structure, it is characterized by, including cover plate and substrate, cover plate and substrate corresponding seal connection are pasted;

[0005] The edge position of the cover plate is provided with water inlet position and water outlet position, and the water inlet joint and the water outlet joint are formed by welding the water inlet position and the water outlet position.

[0006] The substrate is provided with a runner structure, and the runner structure includes a total circuit and a plurality of branch runners connected to the total circuit.

[0007] The branch runner includes a module zone one runner, a module zone two runner, a module zone three runner and a module zone four runner.

[0008] The water inlet joint and the water outlet joint are respectively connected to the water inlet and the water outlet.

[0009] Preferably, the module zone one runner and the module zone two runner are arranged on one side close to the water inlet, and the module zone two runner is arranged close to the water inlet; the module zone three runner and the module zone four runner are arranged on one side close to the water outlet, and the module zone three runner is arranged close to the water outlet.

[0010] Preferably, the module three-zone flow channel and the module four-zone flow channel constitute a turbulence structure, and the two are converged in advance to increase the turbulence.

[0011] Preferably, the transverse dimension of the flow channel structure is set according to the specification of the battery module.

[0012] Preferably, the material of the base plate and the cover plate is aluminum alloy.

[0013] The embodiments of the utility model bring the following beneficial effects:

[0014] The flow channel structure obtained by the utility model has the advantages of flow channel refinement, high heat dissipation capacity, good temperature uniformity effect, simple structure, low production difficulty, great process cost advantage, guarantee of the whole life cycle of the battery in a suitable environment temperature, higher safety factor, longer cycle life, strong structure universality and the like.

[0015] Other features and advantages of the utility model will be described in the subsequent specification, and some of them will become apparent from the specification, or will be understood by implementing the utility model. The purpose and other advantages of the utility model are realized and obtained by the structure specially pointed out in the specification, claims and drawings.

[0016] In order to make the above purpose, features and advantages of the utility model more obvious and easy to understand, the following preferred embodiments are taken as examples, and the detailed description is as follows in combination with the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The schematic diagram of the forced heat exchange temperature uniform flow channel structure provided by the embodiments of the utility model is shown.

[0018] In the figure, 1 is a cover plate, 2 is a water inlet joint, 3 is a water outlet joint, 4 is a module 1-zone flow channel, 5 is a module 2-zone flow channel, 6 is a water inlet, 7 is a water outlet, 8 is a module 3-zone flow channel, 9 is a module 4-zone flow channel, 10 is a flow channel total loop, and 11 is a base plate. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be described clearly and completely in combination with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0020] In order to facilitate the understanding of the embodiments, first, a forced heat exchange temperature uniform flow channel structure disclosed by the embodiments of the utility model is introduced in detail, such as Figure 1As shown, including cover plate 1 and base plate 11, cover plate 1 and base plate 11 corresponding to the sealing connection.

[0021] The cover plate 1 is provided with water inlet position and water outlet position, and the water inlet position and water outlet position are welded with machining joint, forming water inlet joint 2 and water outlet joint 3;

[0022] Wherein, in the water inlet position and water outlet position welding machine processing joint, convenient waterway connection, whole and cover plate brazing into one, ensure the product airtight, pressure and structure strength, provide the way of heat exchange can be recycled.

[0023] The base plate 11 is provided with flow channel structure and water inlet 6, water outlet 7, the flow channel structure includes four module flow channel, namely module area flow channel 4, module two area flow channel 5, module three area flow channel 8, module four area flow channel 9.

[0024] Wherein, the module area flow channel 4, module two area flow channel 5 is arranged on the side close to the water inlet 6, and the module two area flow channel 5 is arranged close to the water inlet 6; the module three area flow channel 8, module four area flow channel 9 is arranged on the side close to the water outlet 7, and the module three area flow channel 8 is arranged close to the water outlet 7.

[0025] Further, the water inlet joint 2, water outlet joint 3 is respectively connected with the water inlet 6, water outlet 7 corresponding to the sealing connection.

[0026] In this embodiment, the module area flow channel 4 controls the flow channel direction, carries on the shunt to increase the flow velocity, the width and direction of waterway directly affect the flow resistance and backflow, control the flow channel direction to carry on the shunt, can disperse the cooling route, at the same time, the branch flow velocity is faster than the total circuit, which can improve the heat exchange efficiency and reduce the backflow.

[0027] In this embodiment, the module two area flow channel 5 controls the heat dissipation area, reduces the antifreeze heat dissipation effect at the position where the battery temperature is relatively low, which is beneficial to control the temperature difference, enhance the battery module consistency and ensure the cycle service life.

[0028] Wherein, the water inlet position is the refrigerant input of the whole structure, and the heat absorption is small. The base plate 11 and cover plate 1 are made of aluminum alloy AL3003, which has good heat conductivity. Therefore, the local temperature of the water inlet position is relatively low, and the module two area flow channel 5 controls the heat dissipation area, which can effectively improve the uniform temperature effect of the whole structure.

[0029] In the embodiment, the module three-zone flow channel 8 and the module four-zone flow channel 9 are converged in advance, and the flow disturbance is increased, so that the battery module 1P and the battery module 1P below can meet the heat dissipation requirement, the heat dissipation influence caused by the fact that the antifreeze flows through the heat source to take away heat and the water temperature is increased is leveled, the cooling medium is evenly distributed, the highest temperature of the battery is reduced, the overall structure heat dissipation intensity is strengthened, and the safety and applicability of the battery module are increased.

[0030] In the embodiment, the best heat equalization effect can be achieved according to the simulation full-flow velocity vector analysis, the highest temperature and the overall temperature difference of the battery under various working conditions are within the design expectation, and the best heat equalization effect can be achieved according to the simulation full-flow velocity vector analysis.

[0031] The best scheme is obtained by simulating the heat dissipation effects of various flow channels and finding out problems for optimization.

[0032] The transverse dimension of the flow channel structure can be set according to the specification of the battery module, that is, corresponding to the battery module with different lengths, only the length of the middle flow channel needs to be adjusted, and no large change needs to be made to the liquid cooling channel structure, the structure has strong universality, and the production difficulty and process cost are reduced.

[0033] The module channel division is based on the size and placement position of the battery module, and the flow channel design also includes width, series and parallel connection, and battery contact area and waterway position.

[0034] It should be noted that in this paper, the term "including", "containing" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0035] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A forced heat exchange uniform temperature flow channel structure, characterized in that: It includes a cover plate and a base plate, and the cover plate and the base plate are correspondingly bonded and brazed; The edge of the cover plate is provided with a water inlet position and a water outlet position, and joints are welded at the water inlet position and the water outlet position to form a water inlet joint and a water outlet joint; A flow channel structure is provided in the substrate, and the flow channel structure includes a main flow channel loop and a plurality of branch flow channels connected to the main flow channel loop, and the main flow channel loop is connected to a water channel inlet and a water channel outlet; The branch flow channels include the flow channels of module zone 1, module zone 2, module zone 3, and module zone 4; The water inlet joint and the water outlet joint are respectively connected to the waterway inlet and the waterway outlet; The flow channels in module zone 1 and module zone 2 constitute a diversion and temperature-averaging structure. The flow channels in module zone 1 control the direction of the flow channels, divert the flow and increase the flow rate. The flow channels in module zone 2 control the heat dissipation area. The flow channels in module zone 3 and module zone 4 constitute a turbulence structure. The two converge in advance to increase the turbulence.

2. The forced heat exchange and temperature-averaging flow channel structure according to claim 1, characterized in that: The flow channels of module zone 1 and module zone 2 are arranged on a side close to the waterway inlet, and the flow channels of module zone 2 are arranged at a position close to the waterway inlet; the flow channels of module zone 3 and module zone 4 are arranged on a side close to the waterway outlet, and the flow channels of module zone 3 are arranged at a position close to the waterway outlet.

3. The forced heat exchange and temperature-averaging flow channel structure according to claim 1, characterized in that: The transverse dimensions of the flow channel structure are set according to the specifications of the battery module.

4. The forced heat exchange and temperature-averaging flow channel structure according to claim 1, characterized in that: The base plate and the cover plate are both made of aluminum alloy.

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