CN219760088U

CN219760088U - Wire outlet structure of controller, controller and hydrogen fuel cell system

Info

Publication number: CN219760088U
Application number: CN202321214785.3U
Authority: CN
Inventors: 桂康; 肖勇
Original assignee: Sinobrook New Energy Technologies Shanghai Co Ltd
Current assignee: Sinobrook New Energy Technologies Shanghai Co Ltd
Priority date: 2023-05-18
Filing date: 2023-05-18
Publication date: 2023-09-26
Anticipated expiration: 2033-05-18

Abstract

The utility model discloses a controller wire outlet structure, a controller comprising the controller wire outlet structure and a hydrogen fuel cell system comprising the controller. The wire outlet structure of the controller comprises a wire harness assembly, a wire pressing plate and sealant. The wire harness assembly is used for leading out the wires of the controller from the outlet of the shell of the controller. The first end of the wire pressing plate is arranged on the shell of the controller and close to the wire outlet, the main body of the wire pressing plate is attached to the surface of the wire harness assembly, the second end of the wire pressing plate extends along the central axis of the wire harness assembly, and the wire harness assembly is fixed between the wire pressing plate and the shell of the controller. And sealant is arranged between the wire pressing plate and the shell of the controller and the wire harness assembly. The structure can enable the sealing grade of the controller to reach the preset requirement, is convenient to assemble and low in difficulty, can be beneficial to improving the assembly efficiency of the controller, and reduces the assembly error rate.

Description

Wire outlet structure of controller, controller and hydrogen fuel cell system

Technical Field

The utility model relates to the technical field of new energy, in particular to a wire outlet structure of a controller, the controller and a hydrogen fuel cell system.

Background

A hydrogen fuel cell system is a device that converts chemical energy into electric energy by a chemical reaction of hydrogen and oxygen, which is actually a power generation process. The hydrogen fuel cell system has high power generation efficiency, no noise and no pollution, and is an environment-friendly power generation device, so that the hydrogen fuel cell system is widely applied to the technical fields of new energy automobiles and the like.

The hydrogen fuel cell system generally includes a stack, a hydrogen supply module, and an air supply module, wherein the stack is a core member of the hydrogen fuel cell system, is formed by stacking a plurality of unit cells in series, and determines the power level of the hydrogen fuel cell system. The hydrogen supply module provides a fuel source, and the hydrogen storage capacity of the hydrogen supply module determines the working time of the hydrogen fuel cell. The air supply module is used for providing clean air with enough pressure and flow for the fuel cell according to the output power of the electric pile so as to meet the oxygen demand of the fuel cell, and mainly comprises an air filter, an air compressor, a controller, a motor and an intercooler, wherein the air compressor is used for pressurizing air so as to improve the power output of the hydrogen fuel cell system, and the pressure of the air compressor can be controlled by the controller.

The sealing level of the hydrogen fuel cell is high, so that when electrical connection between modules is required, or when wires inside the modules need to be led out, a wire outlet structure with a sealing function is generally required. At present, in order to improve the sealing performance and reliability of the outlet structure, a gram head structure or a custom sealing ring is generally added to the outlet. However, the glans is only suitable for a single wire harness outlet, and when a plurality of wire harnesses need to be led out, a plurality of glans need to be used, so that the whole structure is complex and the cost is high. The sealing ring is required to be provided with a specific through hole according to the diameter of each lead-out wire harness, the structure is complex, and the assembly complexity and the production management cost are improved. Aiming at the defects of the gram head and the sealing ring, a plurality of schemes are customized to be matched with the gram head or the sealing ring for use, so that the number of through holes on the gram head or the sealing ring is reduced, but the plurality of cores are also required to be customized according to actual conditions, the production efficiency is improved, and the production cost is not easy to control.

Disclosure of Invention

In view of some or all of the problems in the prior art, a first aspect of the present utility model provides a controller wire outlet structure, including:

the wire harness assembly is used for forming wires of the controller into a wire harness and leading out the wires from an outlet of the shell of the controller;

the wire pressing plate is arranged on the shell of the controller at the first end, is close to the wire outlet, is attached to the surface of the wire harness assembly at the main body, and extends along the central axis of the wire harness assembly at the second end, so that the wire harness assembly is fixed between the wire pressing plate and the shell of the controller; and

and the sealant is arranged between the wire pressing plate and the shell of the controller and the wire harness assembly.

Further, a side surface of the controller housing, which contacts the wire harness assembly, is provided with at least one first protrusion.

Further, at least one second protrusion is provided on a side surface of the wire pressing plate contacting the wire harness assembly.

Further, a side surface of the controller housing, which contacts the wire harness assembly, is provided with at least one first protrusion; and

at least one second bulge is arranged on the surface of one side, which is contacted with the wire harness assembly, of the wire pressing plate, and the second bulges and the first bulges are staggered.

Further, the wire harness assembly includes:

a sheath encasing the controller wire; and

and the wiring terminal is arranged at the tail end of the wire harness assembly, is electrically connected with the controller wire, and is adapted to a connector of a module to be electrically connected with the controller.

Further, the number of the controller wires is not less than two, and the diameters of the controller wires may be the same or different.

Further, the sealant is polyurethane glue, or epoxy resin glue, or organic silica gel.

Based on the controller wire outlet structure as described above, a second aspect of the utility model provides a controller comprising the controller wire outlet structure as described above.

Further, the controller further includes:

a bottom plate;

the shell is fixedly connected to the bottom plate to form a first cavity; and

the circuit unit is arranged in the first cavity, and the controller lead is led out from the circuit unit.

Further, a sealing ring is arranged at the joint of the shell and the bottom plate.

A third aspect of the utility model also provides a hydrogen fuel cell system comprising a controller as described above.

The wire outlet structure of the controller solves the sealing problem of the wire outlet of the controller by adopting the mode of combining the wire pressing plate with the sealant, so that the sealing grade of the controller can meet the preset requirements, such as I P standard. The outgoing lines of the outgoing line structure do not need to be in one-to-one correspondence with the outgoing lines and other structures accurately, so that the assembly is convenient, the difficulty is low, the assembly efficiency of the controller can be improved, and the assembly error rate is reduced. In addition, the bulges arranged on the line pressing plate and the shell can further press the lead-out wires, so that the problem of insufficient tensile resistance of the lead-out wires is avoided.

Drawings

To further clarify the above and other advantages and features of embodiments of the present utility model, a more particular description of embodiments of the utility model will be rendered by reference to the appended drawings. It is appreciated that these drawings depict only typical embodiments of the utility model and are therefore not to be considered limiting of its scope. In the drawings, for clarity, the same or corresponding parts will be designated by the same or similar reference numerals.

FIG. 1 shows a schematic diagram of a controller according to an embodiment of the present utility model; and

fig. 2 is an enlarged schematic view showing a partial structure of a controller according to an embodiment of the present utility model.

List of reference numerals

001. Shell of controller

002. Bottom plate

003. Circuit unit

011. Wire outlet

012. Sealing ring

013. First protrusion

101. Wire harness assembly

102. Line pressing plate

103. Sealant

111. Sheath

112. Connecting terminal

121. Second protrusion

Detailed Description

The utility model is further elucidated below in connection with the embodiments with reference to the drawings. It should be noted that the components in the figures may be shown exaggerated for illustrative purposes and are not necessarily to scale. In the drawings, identical or functionally identical components are provided with the same reference numerals.

In the present utility model, unless specifically indicated otherwise, "disposed on …", "disposed over …" and "disposed over …" do not preclude the presence of an intermediate therebetween. Furthermore, "disposed on or above" … merely indicates the relative positional relationship between the two components, but may also be converted to "disposed under or below" …, and vice versa, under certain circumstances, such as after reversing the product direction.

In the present utility model, the embodiments are merely intended to illustrate the scheme of the present utility model, and should not be construed as limiting.

In the present utility model, the adjectives "a" and "an" do not exclude a scenario of a plurality of elements, unless specifically indicated.

It should also be noted herein that in embodiments of the present utility model, only a portion of the components or assemblies may be shown for clarity and simplicity, but those of ordinary skill in the art will appreciate that the components or assemblies may be added as needed for a particular scenario under the teachings of the present utility model.

It should also be noted herein that, within the scope of the present utility model, the terms "identical", "equal" and the like do not mean that the two values are absolutely equal, but rather allow for some reasonable error, that is, the terms also encompass "substantially identical", "substantially equal". By analogy, in the present utility model, the term "perpendicular", "parallel" and the like in the table direction also covers the meaning of "substantially perpendicular", "substantially parallel".

Because the controller needs to draw out more wires and contains various thickness specifications, for example, in a certain type of controller, 16 wires with 2 thickness specifications are required to be drawn out. Therefore, if the existing sealing ring or the existing gram head scheme is used, a plurality of through holes with different sizes are required to be formed on the sealing ring, or a plurality of gram heads are required to be adopted, so that the cost is high, the assembly operation is complex, and the overall assembly efficiency and the error rate of the controller are likely to be affected. In order to solve the problem, the utility model provides a scheme of combining the line pressing plate and the solidification of the sealing glue. The solution has low cost, is flexible, has small influence on changing association and is convenient to assemble. Through verification, the sealing effect achieved by the scheme can meet the I P standard requirement.

The utility model is further elucidated below in connection with the embodiments with reference to the drawings.

Fig. 1 shows a schematic structural diagram of a controller according to an embodiment of the present utility model. As shown in fig. 1, the controller includes a housing 001, a base plate 002, a circuit unit 003, and a controller wire outlet structure. In order to ensure the sealing performance of the controller, in one embodiment of the present utility model, a sealing ring 012 is disposed at a connection portion between the housing 001 and the bottom plate 002. The housing 001 is provided with an outlet 011. The circuit unit 003 is disposed inside the first cavity, and the controller wire is led out from the circuit unit.

The controller shown in fig. 1 adopts the scheme of combining the wire pressing plate and the solidification of the sealing glue to form the wire outgoing structure of the controller. As shown in fig. 1, the controller wire outlet structure disclosed by the utility model mainly comprises two parts: wire harness assembly 101, and wire crimp sealing structure.

The wire harness assembly 101 is used to integrate a plurality of controller wires to be led out into one bundle, form one wire harness, and then led out from an outlet 011 on the housing 001 of the controller. In one embodiment of the present utility model, the number of the controller wires is not less than two, and the diameters of the respective controller wires may be the same or different. The wire harness assembly 101 is simple and convenient, and the wire harness assembly is not required to be arranged according to the thickness of a single wire. As shown in fig. 1, in one embodiment of the present utility model, the wire harness assembly 101 includes a sheath 111 and a connection terminal 112. The sheath 111 is wrapped outside the to-be-extracted controller wire, and forms the to-be-extracted controller wire into a wire harness. In one embodiment of the utility model, the sheath 111 is made of an insulating material, such as rubber or the like. The connection terminal 112 is disposed at the end of the sheath 111, i.e., one end extending out of the controller. The terminals 112 are electrically connected to the outgoing controller wires and are adapted to the corresponding connectors of the module to be electrically connected to the controller. In the embodiment shown in fig. 1, the terminal 112 is a connector.

The wire pressing sealing structure comprises a wire pressing plate 102 and sealing glue 103. The wire pressing plate 102 is used for fixing the controller wire led out from the wire outlet 011, specifically, as shown in fig. 1, the led-out wire harness assembly is fixed between the wire pressing plate 102 and the casing 001 of the controller. To achieve this, in one embodiment of the present utility model, the wire pressing plate 102 has a structure with a bent portion, and a side thereof adjacent to the wire harness assembly 101 is shaped to fit the wire harness assembly 101 as closely as possible. As shown in fig. 1, in one embodiment of the present utility model, the first end of the wire pressing plate 102 is disposed on the housing 001 of the controller, close to the outlet, and the main body of the wire pressing plate 102 is attached to the surface of the wire harness assembly 101, and the second end thereof extends forward along the central axis of the wire harness assembly 101, but preferably has a length smaller than the wire harness assembly 101. Fig. 2 is an enlarged schematic view showing a partial structure of a controller according to an embodiment of the present utility model. As shown in fig. 2, in order to better press the wire harness assembly 101, in one embodiment of the present utility model, a side surface of the wire pressing plate 102 contacting the wire harness assembly 101 is provided with at least one second protrusion 121. Further, at least one first protrusion 013 may be provided on a surface of the housing 001 of the controller opposite thereto, that is, a side surface of the housing 001 of the controller contacting the wire harness assembly 101, and the first protrusions 013 and the second protrusions 121 may be spatially staggered. By adopting the structure, on one hand, the wire harness assembly 101 can bear certain test drawing force requirements, and can avoid swinging and pulling at the sealing glue 103, so that the sealing glue 103 is also protected to a certain extent.

The sealant 103 is disposed between the wire pressing plate 102 and the casing 001 of the controller and the wire harness assembly 101. In one embodiment of the present utility model, after the wire harness assembly 101, the housing 001 of the controller, and the wire pressing plate 102 are mounted, a liquid sealant is injected into the gap between the wire pressing plate 102 and the housing 001 of the controller and the wire harness assembly 101 by using an injector, and the sealant in the gap can play a role in sealing after solidification, thereby realizing the I P standard in sealing. In one embodiment of the present utility model, the sealant is polyurethane glue, or epoxy glue, or silicone glue.

Based on the controller wire outlet structure and the controller, the utility model also provides a hydrogen fuel cell system which comprises the controller.

While various embodiments of the present utility model have been described above, it should be understood that they have been presented by way of example only, and not limitation. It will be apparent to those skilled in the relevant art that various combinations, modifications, and variations can be made therein without departing from the spirit and scope of the utility model. Thus, the breadth and scope of the present utility model as disclosed herein should not be limited by any of the above-described exemplary embodiments, but should be defined only in accordance with the following claims and their equivalents.

Claims

1. A controller wire outlet structure, comprising:

a wire harness assembly configured to draw a controller wire from an outlet of a housing of the controller;

2. The controller wire outlet structure of claim 1, wherein a side surface of the controller housing contacting the wire harness assembly is provided with at least one first protrusion.

3. The controller wire outlet structure of claim 1, wherein a side surface of the wire pressing plate contacting the wire harness assembly is provided with at least one second protrusion.

4. The controller wire outlet structure according to claim 1, wherein a side surface of the controller housing contacting the wire harness assembly is provided with at least one first protrusion; and

5. The controller wire outlet structure of claim 1, wherein the wire harness assembly comprises:

a sheath encasing the controller wire; and

6. A controller wire outlet structure according to claim 1, wherein the number of the controller wires is not less than two, and the diameters of the respective controller wires may be the same or different.

7. The controller wire outlet structure of claim 1, wherein the sealant is polyurethane glue, or epoxy glue, or silicone glue.

8. A controller comprising a controller wire outlet structure as claimed in any one of claims 1 to 7.

9. The controller as set forth in claim 8, further comprising:

a bottom plate;

the shell is fixedly connected to the bottom plate, and a sealing ring is arranged at the joint of the shell and the bottom plate to form a first cavity; and

10. A hydrogen fuel cell system comprising the controller according to claim 8 or 9.