CN210652705U

CN210652705U - Fuel cell drainage device and fuel cell automobile

Info

Publication number: CN210652705U
Application number: CN201921600768.7U
Authority: CN
Inventors: 徐鸿飞; 原诚寅
Original assignee: Beijing New Energy Vehicle Technology Innovation Center Co Ltd
Current assignee: Beijing New Energy Vehicle Technology Innovation Center Co Ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-06-02
Anticipated expiration: 2029-09-25

Abstract

The utility model provides a fuel cell drainage device and fuel cell car, fuel cell drainage device includes: the water mist discharge pipe, the Venturi tube and the high-pressure air pipe are connected in sequence; a pressure type nozzle installed in the water mist discharge pipe; a storage tank water inlet pipe; the storage tank is connected with the storage tank water inlet pipe; and the upper end of the storage tank water outlet pipe is connected with the middle part of the Venturi tube, and the lower end of the storage tank water outlet pipe is connected to the storage tank and extends to the lower part of the storage tank. The utility model discloses a device can be with water atomization, and then reduces the influence of fuel cell drainage to road surface operational environment.

Description

Fuel cell drainage device and fuel cell automobile

Technical Field

The utility model belongs to the automobile field, concretely relates to fuel cell drainage device and fuel cell car.

Background

A pem fuel cell is a device that electrochemically reacts hydrogen and oxygen to convert chemical energy into electrical energy. The proton exchange membrane fuel cell has the outstanding advantages of high efficiency, zero emission, low noise and the like, becomes a new favorite of a power system in the automobile field, and is considered to be the future of automobile development. Particularly, with the subsidies of the country and the advices of various large automobile enterprises at home and abroad, fuel cell automobiles develop in an unsettled trend, and according to the development plan of China, 1 million fuel cell automobiles are required in China in 2020, and 100 million fuel cell automobiles are required in 2030. As the number of fuel cell vehicles increases, some of the problems become more pronounced.

During the use process of the proton exchange membrane fuel cell, hydrogen and oxygen react on the proton exchange membrane to generate water, the generated water is more and more along with the reaction, and redundant water needs to be discharged in order to not influence the performance of the fuel cell. Since the produced water does not pollute the environment, it is not usually disposed of too much by the vehicle enterprises, which currently employ a method of draining the water directly from the drain pipe or collecting it using a liquid storage tank and then draining it at a suitable place. However, the directly discharged water causes slippery road surfaces, and may also freeze on the road surfaces in cold regions or in winter with low temperature, which greatly reduces driving safety, and the problem may become more prominent and significant with the popularization of fuel cell vehicles. The mode of liquid storage pot requires the driver to carry out drainage treatment when the liquid storage pot water level is too high, if do not have suitable place, also can bring certain trouble for the driver, influences the comfort that the vehicle used greatly, simultaneously, because the effect of bacterium and microorganism along with the time, if do not carry out special processing, the water in the liquid storage pot can take place to deteriorate.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model aims at providing a fuel cell drainage device and fuel cell car to the defect that exists among the prior art, the utility model discloses a fuel cell drainage device can atomize the drainage, and then reduces fuel cell because of the influence of the in-process drainage to road operational environment of operation.

The purpose of the utility model is realized through the following technical scheme.

On one hand, the utility model provides a fuel cell drainage device, wherein, the fuel cell drainage device comprises a water mist discharge pipe, a pressure type nozzle, a Venturi tube, a high-pressure air pipe, a storage tank water outlet pipe and a storage tank water inlet pipe; wherein the content of the first and second substances,

the water mist discharge pipe, the Venturi tube and the high-pressure air pipe are sequentially connected, the water mist discharge pipe is provided with a water mist discharge pipe outlet, and the high-pressure air pipe is provided with a high-pressure air pipe inlet;

the pressure type nozzle is arranged in the water mist discharge pipe;

the storage tank is connected with the storage tank water inlet pipe;

the upper end of the storage tank water outlet pipe is connected with the middle part of the Venturi tube, and the lower end of the storage tank water outlet pipe is connected to the storage tank and extends to the lower part of the storage tank.

Preferably, the fuel cell drainage device further comprises a first liquid level sensor and a second liquid level sensor, wherein the first liquid level sensor and the second liquid level sensor are arranged on the storage tank from top to bottom and used for detecting the liquid level of the storage tank, and the horizontal position of the second liquid level sensor is higher than the horizontal position of the lower end face of the storage tank water outlet pipe.

Preferably, the fuel cell drain device further comprises a controller, the controller is in communication connection with the first liquid level sensor and the second liquid level sensor, and the controller controls atomization of the fuel cell drain based on the received liquid level signal.

Preferably, the fuel cell drain device further includes an electromagnetic valve provided on the high pressure air pipe, and the controller controls opening or closing of the electromagnetic valve based on the received liquid level signal.

Preferably, the fuel cell drain device further includes an electric heating pipe disposed at a bottom of the storage tank, and the opening or closing of the electric heating pipe is controlled via the controller.

Preferably, the fuel cell drain device further comprises a drain flow control valve disposed on the storage tank outlet pipe.

Preferably, the fuel cell drainage device further comprises a filter, and the filter is arranged on the storage tank water inlet pipe.

Preferably, the storage tank is provided with a vent hole.

Preferably, the high pressure air pipe inlet is directly connected to an air compressor of the fuel cell.

Preferably, the fuel cell drain further comprises an additional air compressor connected to the high pressure air pipe inlet.

On the other hand, the utility model also provides a fuel cell car, wherein, the fuel cell car include proton exchange membrane fuel cell with fuel cell drainage device, among the fuel cell drainage device the storage tank inlet tube with proton exchange membrane fuel cell's drainage exit linkage.

The utility model has the advantages of it is following:

(1) the utility model discloses a fuel cell drainage device utilizes highly-compressed air to carry out atomization treatment to the drainage that fuel cell produced, not only can show the drainage that reduces fuel cell and produce at the operation in-process to the influence of road surface operational environment especially driving environment safety, can also play the effect of optimizing the environment to the air humidifying.

(2) The utility model discloses a fuel cell drainage device simple structure, can integrate to current fuel cell system, full play fuel cell system especially air compressor's effect.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of one embodiment of a fuel cell drain of the present invention;

fig. 2 is a schematic structural view of another embodiment of the fuel cell drain of the present invention;

fig. 3 is a control flow chart of the fuel cell drain device of the present invention.

Wherein the figures include the following reference numerals:

1-outlet of water mist discharge pipe, 2-pressure nozzle, 3-high pressure air pipe, 4-electromagnetic valve, 5-high pressure air inlet, 6-discharge flow control valve, 7-filter, 8-inlet pipe of storage tank, 9-first liquid level sensor, 10-second liquid level sensor, 11-storage tank, 12-vent hole, 13-outlet pipe of storage tank, 14-venturi tube, 15-electric heating pipe and 16-water mist discharge pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

the pressure type nozzle is arranged in the water mist discharge pipe;

the storage tank is connected with the storage tank water inlet pipe;

Fig. 1 shows an embodiment of the fuel cell drain of the present invention. Referring to fig. 1, the fuel cell drainage device of the present invention includes a mist discharge pipe 16, a pressure nozzle 2, a venturi tube 14, a high pressure air pipe 3, a storage tank 11, a storage tank outlet pipe 13, and a storage tank inlet pipe 8.

The mist discharge pipe 16, the venturi tube 14 and the high pressure air pipe 3 are connected in sequence, the mist discharge pipe 16 having a mist discharge pipe outlet 1, and the high pressure air pipe 3 having a high pressure air pipe inlet 5.

The pressure nozzle 2 is mounted in a mist discharge pipe 16.

The storage tank 11 is connected with the storage tank water inlet pipe 8.

The upper end of the storage tank water outlet pipe 13 is connected with the middle part of the venturi pipe 14, and the lower end is connected to the storage tank 11 and extends to the lower part of the storage tank 11.

According to an embodiment of the present invention, as shown in fig. 1, the fuel cell drainage apparatus of the present invention further includes a first liquid level sensor 9 and a second liquid level sensor 10. The first liquid level sensor 9 and the second liquid level sensor 10 are arranged on the storage tank 11 from top to bottom and used for detecting the liquid level of the storage tank 11, and the horizontal position of the second liquid level sensor 10 is higher than the horizontal position of the lower end face of the storage tank water outlet pipe 13.

According to an embodiment of the present invention, as shown in fig. 1, the fuel cell drainage device of the present invention further includes a controller. The controller is in communication with the first level sensor 9 and the second level sensor 10, and the controller controls atomization of the fuel cell drain based on the received level signals.

The utility model discloses a fuel cell drainage device work experiences three step roughly: and (4) collecting drainage, detecting liquid level and discharging drainage in an atomized manner.

(1) And (3) drainage collection: the fuel cell continuously generates drainage during operation, and the generated drainage enters the storage tank 11 through the storage tank water inlet pipe 8 for collection and storage.

(2) Liquid level detection: whether or not the drain water atomization process is to be performed is determined via the first liquid level sensor 9 and the second liquid level sensor 10. When the drainage height in storage tank 11 reached first level sensor 9's position, it is higher to mean that water level in storage tank 11 is higher, needs carry out atomization treatment, and first level sensor 9 passes this upper liquid level signal to the controller, and controller control the utility model discloses a device atomizes. When second liquid level sensor 10 detected the liquid level in the storage tank 11 and was less than second liquid level sensor 10's position, the liquid level in the storage tank 11 reached normal level, controller control the utility model discloses a device stops atomizing.

(3) Discharging drained water in an atomized manner: when the controller receives the upper liquid level signal of the first liquid level sensor 9 for atomization, high-pressure air enters the high-pressure air pipe 3 through the high-pressure air inlet 5. When the high-pressure air continues to flow forwards through the Venturi tube 14, negative pressure is generated according to the Venturi (Venturi) spraying principle, under the action of the negative pressure, the drainage water in the storage tank 11 enters the Venturi tube 14 through the storage tank water outlet pipe 13 and passes through the pressure type nozzle 2 at high speed under the action of the high-pressure air, and the drainage water is changed into mist-shaped particles under the action of high-speed impact and is sprayed out from the water mist discharge pipe outlet 1. When the controller receives a lower liquid level signal of the second liquid level sensor 10, the controller controls the drainage atomization to be finished.

According to an embodiment of the invention, the pressure nozzle 2 is arranged close to the outlet 1 of the water mist discharge pipe.

According to an embodiment of the present invention, as shown in fig. 2, the fuel cell drainage device of the present invention further includes a solenoid valve 4. The electromagnetic valve 4 is arranged on the high-pressure air pipe 3, and the controller controls the opening or closing of the electromagnetic valve 4 based on the received liquid level signal. Referring to fig. 3, as described above, in the present invention, the controller may control the opening and closing of the solenoid valve 4 according to the upper liquid level signal of the first liquid level sensor 9 and the lower liquid level signal of the second liquid level sensor 10, so as to control the starting and ending of the drainage atomization.

According to an embodiment of the present invention, as shown in fig. 2, in order to ensure that the water in the storage tank 11 does not deteriorate, the fuel cell drainage device of the present invention further includes an electric heating pipe 15. An electric heating pipe 15 is provided at the bottom of the storage tank 11. Referring to fig. 3, the controller may periodically control the opening or closing of the electric-heating pipe 15 according to a time period. The water in the storage tank 11 is periodically heat sterilized by the electric heating pipe 15, and the water in the tank can be prevented from being deteriorated.

According to another embodiment of the present invention, as shown in fig. 2, the fuel cell drainage device of the present invention further includes a drainage flow control valve 6, and the drainage flow control valve 6 is disposed on the storage tank outlet pipe 13. The flow of the drained water entering the atomization stage can be controlled by means of the drained water flow control valve 6, and the atomization amount is further controlled. Of course, the utility model discloses also can be through realizing the start-up and the end of drainage atomizing with the help of drainage flow control valve 6.

According to an embodiment of the present invention, as shown in fig. 2, the fuel cell drainage device of the present invention further includes a filter 7. The filter 7 is arranged on the water inlet pipe 8 of the storage tank. Because pressure type nozzle 2's aperture is less, the utility model discloses a set up filter 7 and filter the water that gets into in storage tank 11, can prevent effectively that the impurity that probably exists from blockking up pressure type nozzle 2 in the drainage.

According to an embodiment of the present invention, the storage tank 11 is provided with an air vent 12. The vent hole 12 is provided in the tank 11, so that it is possible to prevent the drainage from being discharged smoothly due to an excessively high pressure in the tank 11.

The utility model discloses in utilize highly-compressed air to carry out atomizing. The high pressure air may be provided by an air compressor in the fuel cell or may be provided by an additional air compressor.

According to a preferred embodiment of the present invention, the high-pressure air pipe inlet 5 is directly connected to the air compressor of the fuel cell. In this case, the opening and closing (closing) of the atomization need only be controlled by the electromagnetic valve 4 without controlling the air compressor, whereby the influence of the air flow rate required for the fuel cell by operating the air compressor of the fuel cell can be avoided.

Although not preferred, according to another embodiment of the present invention, the fuel cell drain apparatus further comprises an additional air compressor (not shown). The additional air compressor is connected to the high-pressure air line inlet 5.

According to an embodiment of the present invention, the controller may be integrated into the FCU, and an additional controller may be provided.

Further, the utility model also provides a fuel cell car. The utility model discloses a fuel cell car includes proton exchange membrane fuel cell and fuel cell drainage device, storage tank inlet tube 8 among the fuel cell drainage device and proton exchange membrane fuel cell's drainage exit linkage.

According to an embodiment of the present invention, the fuel cell vehicle of the present invention may employ a proton exchange membrane fuel cell known in the art.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A fuel cell drainage device comprises a water mist discharge pipe (16), a pressure type nozzle (2), a Venturi pipe (14), a high-pressure air pipe (3), a storage tank (11), a storage tank water outlet pipe (13) and a storage tank water inlet pipe (8); wherein the content of the first and second substances,

the water mist discharge pipe (16), the Venturi tube (14) and the high-pressure air pipe (3) are sequentially connected, the water mist discharge pipe (16) is provided with a water mist discharge pipe outlet (1), and the high-pressure air pipe (3) is provided with a high-pressure air pipe inlet (5);

the pressure type nozzle (2) is arranged in the water mist discharge pipe (16);

the storage tank (11) is connected with the storage tank water inlet pipe (8);

the upper end of the storage tank water outlet pipe (13) is connected with the middle part of the Venturi tube (14), and the lower end of the storage tank water outlet pipe is connected to the storage tank (11) and extends to the lower part of the storage tank (11).

2. The fuel cell drain device according to claim 1, further comprising a first liquid level sensor (9) and a second liquid level sensor (10), wherein the first liquid level sensor (9) and the second liquid level sensor (10) are provided on the tank (11) from top to bottom for detecting a liquid level of the tank (11), and a horizontal position of the second liquid level sensor (10) is higher than a horizontal position of a lower end face of the tank outlet pipe (13).

3. The fuel cell drain of claim 2, further comprising a controller communicatively coupled to the first level sensor (9) and the second level sensor (10), the controller controlling atomization of fuel cell drain based on the received level signals.

4. The fuel cell drain according to claim 3, further comprising an electromagnetic valve (4), the electromagnetic valve (4) being provided on the high-pressure air pipe (3), the controller controlling opening or closing of the electromagnetic valve (4) based on the received liquid level signal.

5. The fuel cell drain according to claim 4, further comprising an electric heating pipe (15), the electric heating pipe (15) being provided at a bottom of the storage tank (11), opening or closing of the electric heating pipe (15) being controlled via the controller.

6. The fuel cell drain device according to any one of claims 1 to 5, further comprising a drain flow control valve (6), the drain flow control valve (6) being provided on the tank outlet pipe (13).

7. The fuel cell drain according to any one of claims 1 to 5, further comprising a filter (7), the filter (7) being provided on the tank inlet pipe (8).

8. The fuel cell drain device according to any one of claims 1 to 5, wherein a vent hole (12) is provided on the reservoir (11).

9. The fuel cell drain according to any one of claims 1 to 5, further comprising an additional air compressor connected to the high pressure air pipe inlet (5).

10. A fuel cell vehicle, wherein the fuel cell vehicle comprises a proton exchange membrane fuel cell and a fuel cell drain of any one of claims 1 to 9, wherein a tank water inlet pipe (8) in the fuel cell drain is connected to a drain outlet of the proton exchange membrane fuel cell.