CN213782049U

CN213782049U - Deionization confluence mechanism, cooling device and fuel cell system

Info

Publication number: CN213782049U
Application number: CN202023288453.9U
Authority: CN
Inventors: 吴楠
Original assignee: Weishi Energy Technology Co Ltd
Current assignee: Weishi Energy Technology Co Ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-07-23
Anticipated expiration: 2030-12-30

Abstract

The utility model provides a deionization mechanism, cooling device and fuel cell system that converge relates to fuel cell technical field, the utility model provides a deionization mechanism that converges, include: a base and a deionizer core; the base body is provided with: the first flow channel and the second flow channel are respectively communicated with the core body installation cavity through fluid; the first flow channel and the second flow channel are respectively used for being communicated with the fluid of the electric pile; the deionizer core is installed in the core installation cavity. The utility model provides a deionization mechanism that converges can realize that deionizer and cylinder manifold are integrated, has saved and has reserved interface and pipeline, and compact structure has practiced thrift installation space and manufacturing cost.

Description

Deionization confluence mechanism, cooling device and fuel cell system

Technical Field

The utility model belongs to the technical field of the fuel cell technique and specifically relates to a deionization mechanism that converges, cooling device and fuel cell system are related to.

Background

Fuel cells have a high insulation resistance requirement on cooling liquid, and a fuel cell system is generally provided with a deionizer for reducing the ion content in the cooling liquid, thereby reducing the conductivity of the cooling liquid, increasing the insulation resistance and ensuring the safe operation of a stack. In the traditional scheme, the bus board of the fuel cell needs to be provided with a reserved interface used for connecting a deionizer, and a fixed support and a pipeline of the deionizer need to be installed, so that the integration level of the fuel cell is low, and the occupied space is large.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a deionization mechanism, cooling device and fuel cell system that converge can realize that deionizer and cylinder manifold are integrated, has saved and has reserved interface and pipeline.

In a first aspect, the present invention provides a deionization current collecting mechanism, including: a base and a deionizer core;

the base body is provided with: the first flow channel and the second flow channel are respectively communicated with the core installation cavity through fluid;

the first flow channel and the second flow channel are respectively used for being communicated with a galvanic pile;

the deionizer core is mounted in the core mounting cavity.

In combination with the first aspect, the present invention provides a first possible implementation manner of the first aspect, wherein the deionizer core is detachably connected to the inside of the core mounting chamber.

With reference to the first aspect, the present invention provides a second possible implementation manner of the first aspect, wherein the first flow channel is communicated with the core body installation cavity through a first branch flow channel;

the diameter of the first branch flow passage is smaller than the diameter of the first flow passage.

With reference to the first aspect, the present invention provides a third possible implementation manner of the first aspect, wherein the second flow channel is communicated with the core body installation cavity through a second branch flow channel;

the diameter of the second branch flow passage is smaller than the diameter of the second flow passage.

With reference to the first aspect, the present invention provides a fourth possible implementation manner of the first aspect, wherein the base body has a mounting end surface for attaching to the stack;

when the installation end face is attached to the electric pile, the first flow channel and the second flow channel are respectively communicated with the electric pile.

With reference to the first aspect, the present disclosure provides a fifth possible implementation manner of the first aspect, wherein a sealing member is disposed between the deionizer core and the base body.

In combination with the first aspect, the present invention provides a sixth possible implementation manner of the first aspect, wherein the base body is of an integrally formed structure.

In a second aspect, the present invention provides a cooling device including the deionization unit provided in the first aspect.

With reference to the second aspect, the present disclosure provides a first possible implementation manner of the second aspect, wherein the first flow passage is in fluid communication with a coolant pump.

In a second aspect, the present invention provides a fuel cell system equipped with the above deionization confluence mechanism.

The embodiment of the utility model provides a following beneficial effect has been brought: the base body is provided with a first flow channel, a second flow channel and a core body installation cavity, the first flow channel and the second flow channel are respectively communicated with the core body installation cavity through the first flow channel and the second flow channel, the core body of the deionizer is installed in the core body installation cavity, high integration of the deionizer and a collecting plate is achieved, reserved interfaces and pipelines are omitted, the structure is compact, and installation space and manufacturing cost are saved.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention or the related art, the drawings required to be used in the description of the embodiments or the related art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a cross-sectional view of a deionization converging mechanism provided in an embodiment of the present invention;

fig. 2 is a schematic diagram of a deionization confluence mechanism and a stack according to an embodiment of the present invention;

fig. 3 is a schematic diagram of a cooling device and a galvanic pile provided by an embodiment of the present invention.

Icon: 100-a substrate; 101-a first flow channel; 102-a second flow channel; 103-core mounting cavity; 104-a first branch flow channel; 105-a second branch flow channel; 110-a mounting end face; 200-a deionizer core; 300-electric pile; 400-coolant pump.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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. The term "physical quantity" in the formula, unless otherwise noted, is understood to mean a basic quantity of a basic unit of international system of units, or a derived quantity derived from a basic quantity by a mathematical operation such as multiplication, division, differentiation, or integration.

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.

Example one

As shown in fig. 1, an embodiment of the present invention provides a deionization collecting mechanism, including: a base body 100 and a deionizer core 200;

the base body 100 is provided with: a first flow passage 101, a second flow passage 102 and a core mounting cavity 103, wherein the first flow passage 101 and the second flow passage 102 are respectively communicated with the core mounting cavity 103 in a fluid mode;

the first flow channel 101 and the second flow channel 102 are respectively used for being in fluid communication with the electric pile 300;

the deionizer core 200 is mounted in the core mounting cavity 103.

Specifically, fluid may flow into the stack 300 through the second flow channel 102, and fluid discharged from the stack 300 is discharged through the first flow channel 101. In the process, a part of the fluid in the second flow passage 102 is branched to enter the core installation cavity 103, and the fluid deionized by the deionizer core 200 flows into the first flow passage 101. In the deionization mechanism that provides in this embodiment, base member 100 can regard as the cylinder manifold to realized that cylinder manifold and deionizer integrate, saved deionizer's shell, pipeline and installing support, the structure is compacter, can reduce deionization mechanism's installation space, has compared in independent cylinder manifold and deionizer and has saved manufacturing cost.

In the embodiment of the present invention, the deionizer core 200 is detachably connected to the core mounting cavity 103.

As shown in fig. 1 and 2, the deionizer core 200 may be connected to the base body 100 by screw fastening or snap fastening, etc., and the deionizer core 200 may be taken out from the core mounting chamber 103, thereby facilitating maintenance of the base body 100 and the deionizer core 200.

As shown in fig. 1, 2 and 3, the first flow passage 101 communicates with the core installation cavity 103 through a first branch flow passage 104;

the diameter of the first branch flow passage 104 is smaller than the diameter of the first flow passage 101.

Specifically, the fluid discharged from the stack 300 enters the first flow channel 101, and the radial dimension of the first branch flow channel 104 is small, so that the fluid in the first branch flow channel 104 can smoothly merge into the first flow channel 101.

Further, the second flow passage 102 communicates with the core installation cavity 103 through a second branch flow passage 105;

the diameter of the second branch flow path 105 is smaller than the diameter of the second flow path 102.

Specifically, a part of the fluid in the second flow channel 102 flows into the stack 300, and the other part of the fluid enters the core body installation cavity 103 along the second branch flow channel 105, and the flow rate of the second branch flow channel 105 is smaller than the total flow rate of the second flow channel 102, so that when the deionization device works, a part of the fluid in the second flow channel 102 is always shunted to the second branch flow channel 105 and flows to the deionization device core body 200 along the second branch flow channel 105, and therefore the stable deionization effect is ensured.

As shown in fig. 1 and 2, the base body 100 has a mounting end surface 110 for attaching to the stack 300;

when the mounting end surface 110 is attached to the stack 300, the first flow channel 101 and the second flow channel 102 communicate with the stack 300, respectively.

Specifically, the first flow channel 101 and the second flow channel 102 extend to the mounting end surface 110, and when the base 100 is connected to the stack 300, the mounting end surface 110 is attached to the stack 300, and the first flow channel 101 and the second flow channel 102 are respectively communicated with the stack 300, so that additional management is not needed, and the fuel cell structure is more compact.

Further, a sealing member is provided between the deionizer core 200 and the base body 100.

The sealing element can be a sealing ring or a rubber gasket, and the sealing element ensures that the joint of the deionizer core 200 and the base body 100 is sealed, so that the leakage of the cooling liquid in the core body installation cavity 103 is avoided.

Further, the base 100 is formed integrally. Wherein, base member 100 can regard as the cylinder manifold, and base member 100 adopts modes such as moulding plastics or pouring to process and form an organic whole structure, and the inside of base member 100 forms first runner 101, second runner 102 and core installation cavity 103, has realized that cylinder manifold and deionizer are integrated, has saved the casing and the pipeline of deionizer, is convenient for process and assemble.

Example two

As shown in fig. 1, fig. 2 and fig. 3, a cooling device provided in an embodiment of the present invention includes a deionization confluence mechanism provided in a first embodiment.

The cooling device that this embodiment provided has the technical effect that deionization converges the mechanism, can guarantee that there is the coolant liquid of capacity to flow through deionizer core 200, and ion purification efficiency is high, and then makes the insulating resistance of coolant liquid accord with fuel cell's technical requirement.

In an embodiment of the present invention, the first flow passage 101 is in fluid communication with the coolant pump 400. The coolant pump 400 may drive the coolant to flow along the first flow passage 101 so that the coolant may flow into the stack 300 from one of the first and

second flow passages

101 and 102, the coolant discharged from the stack 300 is discharged through the other of the first and

second flow passages

101 and 102, and there is a portion of the coolant continuously flowing through the deionizer core 200, thereby ensuring the deionization effect.

EXAMPLE III

As shown in fig. 1, 2 and 3, a fuel cell system according to an embodiment of the present invention is provided with a deionization confluence mechanism according to a first embodiment.

The fuel cell system provided in this embodiment has the technical effect of the deionization converging mechanism, and will not be described herein again.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A deionization confluence mechanism, comprising: a base body (100) and a deionizer core (200);

the base body (100) is provided with: a first flow passage (101), a second flow passage (102), and a core mounting cavity (103), the first flow passage (101) and the second flow passage (102) being in fluid communication with the core mounting cavity (103), respectively;

the first flow channel (101) and the second flow channel (102) are respectively used for being communicated with a galvanic pile (300) in a fluid mode;

the deionizer core (200) is mounted in the core mounting cavity (103).

2. The deionizing junction mechanism according to claim 1, wherein the deionizer core (200) is removably attached within the core mounting cavity (103).

3. The deionizing junction unit according to claim 1, wherein said first flow channel (101) communicates with said core installation chamber (103) through a first branch flow channel (104);

the diameter of the first branch flow channel (104) is smaller than the diameter of the first flow channel (101).

4. The deionizing junction block according to claim 1, wherein said second flow channel (102) communicates with said core installation cavity (103) through a second branch flow channel (105);

the diameter of the second branch flow channel (105) is smaller than the diameter of the second flow channel (102).

5. The deionizing junction unit according to claim 1, wherein the base body (100) has a mounting end face (110) for fitting with the stack (300);

when the installation end face (110) is attached to the electric pile (300), the first flow channel (101) and the second flow channel (102) are respectively communicated with the electric pile (300).

6. The deionizing junction mechanism according to claim 1, wherein a seal is provided between the deionizer core (200) and the base body (100).

7. The deionizing manifold as claimed in claim 1, wherein said base body (100) is of one-piece construction.

8. A cooling device, characterized in that the cooling device comprises the deionizing confluence mechanism according to any one of claims 1 to 7.

9. The cooling arrangement according to claim 8, characterized in that the first flow channel (101) is in fluid communication with a coolant pump (400).

10. A fuel cell system characterized by being provided with the deionization confluence mechanism according to any one of claims 1 to 7.