Current collector pouring and discharging system for harmonica-shaped tube type liquid cooling plate

Abstract

The utility model belongs to the technical field of current collector production, and particularly relates to a current collector pouring and discharging system for a harmonica-shaped tube type liquid cooling plate. The current collector pouring and discharging system for the harmonica-shaped tube type liquid cooling plate comprises a pouring gate unit, the lower end of the pouring gate unit is provided with a liquid inlet, and the upper end of the pouring gate unit is provided with a plurality of liquid outlets; the flow collector cavities are arranged in one-to-one correspondence with the liquid outlets, each flow collector cavity comprises a bottom plate cavity located at the bottom and a water inlet and outlet nozzle cavity perpendicular to the bottom plate cavity, the bottom face of each bottom plate cavity is connected with the corresponding liquid outlet, and the top of each water inlet and outlet nozzle cavity is connected with two opposite cinder ladles; according to the current collector pouring and discharging system for the harmonica-shaped tube type liquid cooling plate, one-output-more high-speed high-pressure casting forming of the current collector can be facilitated, the top of the water inlet and outlet nozzle cavity is connected with the two opposite cinder ladles, cold material discharging in the filling process is better facilitated, the water nozzle position compactness is better, and the strength of the water inlet and outlet nozzles is effectively improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of current collector production, and in particular relates to a current collector pouring and draining system for a harmonica tube type liquid cooling plate. Background Art

[0002] At present, battery pack liquid cooling plates have been widely used in the new energy vehicle industry. Among them, the harmonica tube liquid cooling plate, as an early liquid cooling plate component, is usually composed of several parts such as harmonica tube, header, (both sides of the header) plugging cover, partition, inlet and outlet joints, etc. It has many structural parts and cumbersome installation. If there is a problem in one of the assembly links, it is very easy to be scrapped due to leakage.

[0003] Based on this, the applicant invented a current collector for a harmonica tube liquid cooling plate in another case, which simplified the current collecting components through structural design, effectively improved the yield of the harmonica tube liquid cooling plate, and reduced the cumbersome assembly process. However, there is no production process for such a current collector in the prior art.

[0004] Therefore, it is necessary to design a collector pouring system for a harmonica tube type liquid cooling plate to facilitate batch high-pressure die-casting of the collector. Utility Model Content

[0005] The utility model aims to provide a collector pouring and draining system for a harmonica tube type liquid cooling plate, so as to facilitate batch high-pressure die-casting of the collector.

[0006] The present application provides a collector pouring system for a harmonica tube type liquid cooling plate, comprising:

[0007] A runner unit, having a liquid inlet at its lower end and a plurality of liquid outlets at its upper end;

[0008] A plurality of collector cavities are arranged corresponding to the liquid outlets one by one; the collector cavity comprises a bottom plate cavity located at the bottom, and an inlet and outlet nozzle cavity perpendicular to the bottom plate cavity; the bottom surface of the bottom plate cavity is connected to the liquid outlet;

[0009] The slag bag unit comprises a plurality of slag bags; the top of each of the inlet and outlet water nozzle cavities is connected with two slag bags arranged opposite to each other.

[0010] In one embodiment of the present application, the collector pouring system for the harmonica tube type liquid cooling plate also includes a plurality of slider core pullers for inserting into corresponding inlet and outlet nozzle cavities.

[0011] In one embodiment of the present application, the runner unit includes a liquid inlet, a main flow channel, a first branch flow channel, a second branch flow channel, and a liquid outlet that are connected in sequence; wherein

[0012] The liquid outlet end of the main flow channel is connected to two symmetrically arranged first branch flow channels;

[0013] The liquid outlet channel includes a first liquid outlet channel located at the tail of each first branch flow channel, and a second liquid outlet channel connected to the head of the two first branch flow channels respectively through two thin flow channels;

[0014] The top of each liquid outlet channel is provided with the liquid outlet.

[0015] In one embodiment of the present application, the number of the liquid outlets is 6.

[0016] In one embodiment of the present application, the ratio of the cross-sectional area of ​​the liquid inlet to the sum of the cross-sectional areas of all the liquid outlets is 15:1, and the multiple of the flow-blocking cross-sectional area is 13 to 15 times.

[0017] In one embodiment of the present application, the ratio of the cross-sectional area of ​​the main flow channel to the sum of the cross-sectional areas of the two first branch flow channels is 1.2:1, and the multiple of the flow-blocking cross-sectional area is 1 to 1.5 times.

[0018] In one embodiment of the present application, the ratio of the sum of the cross-sectional areas of the two first branch flow channels to the sum of the cross-sectional areas of all the liquid outlet channels is 1.2:1, and the multiple of the flow-blocking cross-sectional area is 1-1.5 times.

[0019] In one embodiment of the present application, the end of the liquid outlet includes a front wall, a rear wall and two opposite side walls; wherein

[0020] The distance between the front wall and the rear wall gradually decreases along the liquid discharge direction, and the angle between the front wall and the rear wall is 25° to 28°;

[0021] The distance between the two side walls gradually increases along the liquid discharge direction, and the angles between the two side walls and the vertical direction are both 20° to 25°.

[0022] In one embodiment of the present application, the angle between the two first branch flow channels is 155° to 165°.

[0023] The beneficial effects of the utility model are:

[0024] The collector pouring system for the harmonica tube type liquid cooling plate of the present application includes a runner unit, a liquid inlet is provided at the lower end thereof, and a plurality of liquid outlets are provided at the upper end thereof; a plurality of collector cavities are arranged one-to-one corresponding to the liquid outlets, the collector cavity includes a bottom plate cavity located at the bottom, and an inlet and outlet water nozzle cavity perpendicular to the bottom plate cavity, and the bottom surface of the bottom plate cavity is connected to the liquid outlet, and the top of the inlet and outlet water nozzle cavity is connected to two relatively arranged slag bags; the collector pouring system for the harmonica tube type liquid cooling plate of the present application can facilitate the one-outlet high-speed high-pressure casting of the collector, and the bottom surface of the collector is a brazing surface, which is connected to the liquid outlet through the bottom surface of the bottom plate cavity, which can facilitate the filling and shrinkage compensation of aluminum liquid, and can ensure the density of the brazing surface, thereby improving the qualified rate of brazing; the top of the inlet and outlet water nozzle cavity is connected to two relatively arranged slag bags, which is more conducive to the discharge of cold material during the filling process, makes the water nozzle position more dense, and effectively improves the strength of the inlet and outlet water nozzle.

[0025] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by practicing the utility model. The purpose and other advantages of the utility model are realized and obtained by the structures particularly pointed out in the description and the drawings.

[0026] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0028] Figure 1 It is a front view of the collector pouring system for the harmonica tube type liquid cooling plate of the utility model;

[0029] Figure 2 It is a three-dimensional diagram of the collector pouring and draining system for the harmonica tube type liquid cooling plate of the utility model;

[0030] Figure 3 It is a partial stereogram of the collector pouring and draining system for the harmonica tube type liquid cooling plate of the utility model;

[0031] Figure 4 It is a front view of a runner unit of a collector pouring system for a harmonica tube type liquid cooling plate of the utility model;

[0032] Figure 5It is a side view of a runner unit of a collector pouring system for a harmonica tube type liquid cooling plate of the utility model;

[0033] Figure 6 It is a partial front view of the liquid outlet channel of the collector pouring and draining system for the harmonica tube type liquid cooling plate of the utility model;

[0034] Figure 7 The utility model is a partial side view of a liquid outlet channel of a collector pouring and draining system for a harmonica tube type liquid cooling plate.

[0035] In the figure:

[0036] Runner unit 1, liquid inlet 11, main channel 12, first branch channel 13, second branch channel 14, first liquid outlet 15, second liquid outlet 16, thin channel 17, liquid outlet 18, front wall 191, rear wall 192, side wall 193;

[0037] The collector cavity 2, the bottom plate cavity 21, and the water inlet and outlet cavity 22;

[0038] Slag bag unit 3, slag bag 31;

[0039] Slider core pulling 4. DETAILED DESCRIPTION

[0040] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution of the utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0041] The present application provides a collector pouring system for a harmonica tube type liquid cooling plate, which is described in detail below. It should be noted that the description order of the following embodiments is not intended to limit the preferred order of the embodiments of the present application. In the following embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, please refer to the relevant description of other embodiments.

[0042] See also Figure 1 , Figure 2 and Figure 3 In one embodiment of the present application, a collector pouring system for a harmonica tube type liquid cooling plate comprises:

[0043] The runner unit 1 has a liquid inlet 11 at its lower end and a plurality of liquid outlets 18 at its upper end;

[0044] A plurality of collector cavities 2 are arranged corresponding to the liquid outlets 18 one by one; the collector cavity 2 comprises a bottom plate cavity 21 located at the bottom, and an inlet and outlet nozzle cavity 22 perpendicular to the bottom plate cavity 21; the bottom surface of the bottom plate cavity 21 is connected to the liquid outlet 18;

[0045] The slag bag unit 3 includes a plurality of slag bags 31 ; the top of each of the water inlet and outlet nozzle cavities 22 is connected to two slag bags 31 that are arranged opposite to each other.

[0046] In this embodiment, the small surface on the bottom plate of the collector product is the brazing surface, and the wall thickness of the collector product is relatively thin at 1.5 mm. The liquid outlet 18 is designed to be connected to the bottom surface of the bottom plate cavity 21, which is beneficial to the filling and shrinkage of aluminum liquid, and is beneficial to ensuring the density of the brazing surface, which can improve the qualified rate of brazing.

[0047] In this embodiment, optionally, the collector pouring and draining system for the harmonica tube type liquid cooling plate also includes a plurality of slider core pullers 4 for inserting into corresponding inlet and outlet nozzle cavities 22; the slider core pullers 4 can ensure the thinnest wall thickness of the collector product while meeting the maximum inlet and outlet water flow.

[0048] In this embodiment, further, the top of each of the inlet and outlet water nozzle cavities 22 is connected to two relatively arranged slag bags 31. The double slag bag slag discharge is designed at the position of the inlet and outlet water nozzle cavities 22, which is beneficial to the discharge of cold materials during the filling process, makes the water nozzle position more compact, and can effectively improve the strength of the inlet and outlet water nozzles.

[0049] See also Figure 2 , Figure 3 , Figure 4 and Figure 5 As an optional embodiment of the runner unit 1, the runner unit 1 includes a liquid inlet 11, a main channel 12, a first branch channel 13, a second branch channel 14, and a liquid outlet which are connected in sequence; wherein the liquid outlet end of the main channel 12 is connected to two symmetrically arranged first branch channels 13; the liquid outlet includes a first liquid outlet 15 located at the tail of each first branch channel 13, and a second liquid outlet 16 which is connected to the head of the two first branch channels 13 through two thin channels 17; and the liquid outlet 18 is arranged at the top of each liquid outlet.

[0050] In this embodiment, preferably, the number of the liquid outlets 18 is 6, so that 6 products can be die-cast at one time.

[0051] In this embodiment, preferably, the ratio of the cross-sectional area of ​​the liquid inlet 11 to the sum of the cross-sectional areas of all the liquid outlets 18 is 15:1, and the multiple of the flow-blocking cross-sectional area is 13 to 15 times.

[0052] In this embodiment, preferably, the ratio of the cross-sectional area of ​​the main flow channel 12 to the sum of the cross-sectional areas of the two first branch flow channels 13 is 1.2:1, and the multiple of the flow-blocking cross-sectional area is 1 to 1.5 times.

[0053] In this embodiment, preferably, the ratio of the sum of the cross-sectional areas of the two first branch flow channels 13 to the sum of the cross-sectional areas of all the liquid outlet channels 15 is 1.2:1, and the multiple of the flow blocking cross-sectional area is 1-1.5 times.

[0054] See also Figure 6 and Figure 7 Furthermore, the end of the liquid outlet includes a front wall 191, a rear wall 192 and two opposite side walls 193; wherein the spacing between the front wall 191 and the rear wall 192 gradually decreases along the liquid outlet direction, and the angle B between the front wall 191 and the rear wall 192 is 25° to 28°; the spacing between the two side walls 193 gradually increases along the liquid outlet direction, and the angle A between the two side walls 193 and the vertical direction is 20° to 25°.

[0055] In this embodiment, specifically, the first branch flow channel 13 tends to be arranged horizontally; preferably, see Figure 4 , the included angle C between the two first branch flow channels 13 is 155° to 165°.

[0056] In this embodiment, preferably, the second branch flow channel 14 may also be arranged horizontally; and the liquid outlet channel is arranged vertically.

[0057] In this embodiment, the six-mouthpiece collector pouring design controls the aluminum liquid filling shape by adjusting the area of ​​each branch flow channel, so that the six-cavity products are filled synchronously, ensuring the consistency of the internal quality of the products; reducing the generation of air entrainment and chilled layer during the aluminum liquid filling process, achieving synchronous filling and solidification; making the casting process belt wider, which is conducive to the adjustment of different casting processes.

[0058] In summary, the collector pouring system for the harmonica tube type liquid cooling plate of the utility model effectively improves the single-machine production efficiency of the collector product; the continuous changes in structural details and cross-sectional area and the arrangement design of branch channels guide the aluminum liquid to quickly and synchronously fill the cavity while achieving the temperature balanced solidification of the synchronously filled product; conventional high-pressure die-casting can be used to produce thin-walled parts that meet brazing requirements; in addition, the unique inlet gate position setting effectively improves the internal quality of the product, solving the problem that the harmonica type liquid cooling plate collector cannot be high-pressure cast.

[0059] The various devices selected in this application (components whose specific structures are not described) are all universal standard parts or components known to technical personnel in this field, and their structures and principles can be known to technical personnel through technical manuals or through conventional experimental methods.

[0060] In the description of the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection.

[0061] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0062] Based on the above ideal embodiments of the utility model, the relevant staff can make various changes and modifications without deviating from the technical concept of the utility model through the above description. The technical scope of the utility model is not limited to the content of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A collector pouring system for a harmonica tube type liquid cooling plate, characterized in that: include: A runner unit (1) having a liquid inlet (11) at its lower end and a plurality of liquid outlets (18) at its upper end; A plurality of collector cavities (2) are arranged corresponding to the liquid outlets (18) one by one; the collector cavities (2) include a bottom plate cavity (21) located at the bottom, and an inlet and outlet nozzle cavity (22) perpendicular to the bottom plate cavity (21); the bottom surface of the bottom plate cavity (21) is connected to the liquid outlet (18); The slag bag unit (3) comprises a plurality of slag bags (31); the top of each of the water inlet and outlet nozzle cavities (22) is connected to two slag bags (31) arranged opposite to each other.

2. The collector pouring system for the harmonica tube type liquid cooling plate according to claim 1, characterized in that: The collector pouring system for the harmonica tube type liquid cooling plate also includes a plurality of slider core pullers (4) for inserting into corresponding water inlet and outlet nozzle cavities (22).

3. The collector pouring system for the harmonica tube type liquid cooling plate according to claim 1, characterized in that: The pouring channel unit (1) comprises a liquid inlet (11), a main channel (12), a first branch channel (13), a second branch channel (14), and a liquid outlet, which are connected in sequence; The liquid outlet end of the main flow channel (12) is connected to two symmetrically arranged first branch flow channels (13); The liquid outlet channel comprises a first liquid outlet channel (15) located at the tail of each first branch channel (13), and a second liquid outlet channel (16) connected to the head of the two first branch channels (13) respectively through two thin channels (17); The top of each liquid outlet channel is provided with the liquid outlet (18).

4. The collector pouring system for the harmonica tube type liquid cooling plate according to claim 3, characterized in that: The number of the liquid outlets (18) is 6.

5. The collector pouring system for the harmonica tube type liquid cooling plate according to claim 4, characterized in that: The ratio of the cross-sectional area of ​​the liquid inlet (11) to the sum of the cross-sectional areas of all the liquid outlets (18) is 15:1, and the multiple of the flow-blocking cross-sectional area is 13 to 15 times.

6. The collector pouring system for the harmonica tube type liquid cooling plate according to claim 4, characterized in that: The ratio of the cross-sectional area of ​​the main flow channel (12) to the sum of the cross-sectional areas of the two first branch flow channels (13) is 1.2:1, and the multiple of the flow-blocking cross-sectional area is 1 to 1.5 times.

7. The collector pouring system for the harmonica tube type liquid cooling plate according to claim 4, characterized in that: The ratio of the sum of the cross-sectional areas of the two first branch flow channels (13) to the sum of the cross-sectional areas of all the liquid outlet channels (15) is 1.2:1, and the multiple of the flow blocking cross-sectional area is 1-1.5 times.

8. The collector pouring system for the harmonica tube type liquid cooling plate according to claim 3, characterized in that: The end of the liquid outlet includes a front wall (191), a rear wall (192) and two opposite side walls (193); The distance between the front wall (191) and the rear wall (192) gradually decreases along the liquid outlet direction, and the angle between the front wall (191) and the rear wall (192) is 25° to 28°; The distance between the two side walls (193) gradually increases along the liquid discharge direction, and the angles between the two side walls (193) and the vertical direction are both 20° to 25°.

9. The collector pouring system for the harmonica tube type liquid cooling plate according to claim 3, characterized in that: The included angle between the two first branch flow channels (13) is 155° to 165°.

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