Novel air-cooled fuel cell test bench

Abstract

The utility model discloses a novel air-cooled fuel cell test bench, which comprises an upper part for controlling the input and output of a fuel cell and a lower part arranged below the upper part, the upper part comprises a first shell and a power supply conversion device arranged in the first shell, and a control device is arranged on the outer side of the power supply conversion device. The output end of the control device is connected with the power conversion device, the lower portion of the control device comprises a second shell corresponding to the first shell and a load device arranged on the bottom face of the second shell and used for consuming energy of the fuel cell, and a pressure reducing valve connected with the control device is arranged on the outer side of the load device, so that the pressure value of the high-pressure gas source can be adjusted. The air-cooled fuel cell inlet pressure test device meets the inlet pressure requirements of all air-cooled fuel cells, and further improves the overall safety, and belongs to the technical field of fuel cell testing.

Description

Technical Field

[0001] The utility model belongs to the technical field of fuel cell testing, and more specifically relates to a novel air-cooled fuel cell testing bench. Background Art

[0002] Fuel cell is an efficient and environmentally friendly energy conversion technology with broad application prospects. In order to evaluate the performance of fuel cells, it is necessary to design and manufacture a fuel cell test platform. The fuel cell test platform is mainly composed of a fuel cell stack, a battery support structure, a flow control system, a temperature control system, a measurement and control system, and ancillary equipment.

[0003] At present, most fuel cell test benches are built for high-power water-cooled fuel cells, while test benches for small air-cooled fuel cells are prone to leakage and have poor safety. Summary of the invention

[0004] The main purpose of the utility model is to provide a novel air-cooled fuel cell test bench for improving overall safety.

[0005] In order to achieve the above object, the technical solution of the utility model is:

[0006] A novel air-cooled fuel cell test bench comprises an upper part for controlling the input and output of a fuel cell and a lower part arranged below the upper part, the upper part comprises a first shell and a power conversion device arranged in the first shell, a control device is arranged on the outer side of the power conversion device, and the output end of the control device is connected to the power conversion device, the lower part comprises a second shell arranged corresponding to the first shell and a load device arranged on the bottom surface of the second shell for consuming the energy of the fuel cell, a pressure reducing valve connected to the control device is arranged on the outer side of the load device, and the control device can adjust the pressure value of a high-pressure gas source through the pressure reducing valve.

[0007] In a specific embodiment of the utility model, the power conversion device includes a DC-DC converter and a first conversion switching power supply arranged at the output end of the DC-DC converter, and a second conversion switching power supply is also arranged at the output end of the first conversion switching power supply.

[0008] In a specific embodiment of the present invention, the first conversion switch power supply is a 220V to 24V switch power supply, and the second conversion switch power supply is a 24V to 12V switch power supply.

[0009] In a specific embodiment of the present invention, the first shell includes a first bottom support plate and an openable movable door arranged perpendicular to the first bottom support plate.

[0010] In a specific embodiment of the present invention, the first bottom support plate is made of antistatic material.

[0011] In a specific embodiment of the present invention, the second housing includes a second bottom support plate, and a side panel and a display panel respectively arranged perpendicular to the second bottom support plate.

[0012] In a specific embodiment of the present invention, the second bottom support plate is made of antistatic material.

[0013] In a specific embodiment of the present invention, at least one ventilation window is provided on the side panel, and a plurality of holes for installing buttons or knobs are respectively provided at two ends of the display panel.

[0014] In a specific embodiment of the present invention, the display panel is an acrylic material component.

[0015] In a specific embodiment of the present invention, the load device is a load resistor.

[0016] One of the above technical solutions of the utility model has at least one of the following advantages or beneficial effects:

[0017] The utility model sets the upper part and the lower part separately, utilizes the load device to consume the energy of the fuel cell, sets a power conversion device in the first shell, sets a control device on the outside of the power conversion device, connects the output end of the control device with the power conversion device, and connects the control device with the pressure reducing valve in the second shell, so that the pressure value of the high-pressure gas source can be adjusted to meet the inlet pressure requirements of all air-cooled fuel cells, thereby improving the overall safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0019] Figure 1 It is a top view of an embodiment of the utility model;

[0020] Figure 2 It is a back view of an embodiment of the utility model;

[0021] Figure 3 It is a side view of an embodiment of the utility model. DETAILED DESCRIPTION

[0022] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions from beginning to end. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0023] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are merely simplified descriptions for the convenience of describing the present invention, and 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 therefore should not be understood as a limitation on the present invention.

[0024] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0025] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more features.

[0026] In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the term "connection" should be understood in a broad sense. For example, it can be a fixed connection or a movable connection, a detachable connection or a non-detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or mutual communication; it can be a direct connection, or an indirect connection through an intermediate medium, and it can be internal connection between two elements, indirect connection, or an interactive relationship between two elements.

[0027] The following disclosure provides many different embodiments or examples for implementing different solutions of the present invention.

[0028] Reference Figures 1 to 3As shown, a new air-cooled fuel cell test bench includes an upper part 1 for controlling the input and output of the fuel cell and a lower part 2 arranged below the upper part 1, wherein the upper part 1 includes a first shell 11 and a power conversion device 3 arranged in the first shell 11. The new air-cooled fuel cell test bench has a simple structure, is easy to disassemble and detect the status of each component, and uses an external hydrogen gas source, so there is basically no risk of leakage inside the system.

[0029] In one embodiment of the utility model, the power conversion device 3 includes a DC-DC converter 31 and a first conversion switch power supply 32 arranged at the output end of the DC-DC converter 31. The DC-DC converter 31 is used to convert the direct current output by the high-voltage battery into the direct current required by the low-voltage electronic system. The output end of the first conversion switch power supply 32 is provided with a second conversion switch power supply 33. The first conversion switch power supply 32 is a 220V to 24V switching power supply, and the second conversion switch power supply 33 is a 24V to 12V switching power supply.

[0030] In one embodiment of the utility model, the lower part 2 includes a second shell 21 arranged corresponding to the first shell 11 and a load device 22 arranged on the bottom surface of the second shell 21 for consuming the energy of the fuel cell. The load device 22 is a load resistor, which acts as a load and consumes the energy generated by the fuel cell by converting electrical energy into heat energy.

[0031] In one embodiment of the utility model, a control device 4 is provided on the outside of the power conversion device 3, and the output end of the control device 4 is connected to the power conversion device 3. A pressure reducing valve 5 connected to the control device 4 is provided on the outside of the load device 22. The outlet pressure of the pressure reducing valve 5 is adjustable in the range of 0-750psi, which is sufficient to meet the inlet pressure requirements of all air-cooled fuel cells. The control device 4 can adjust the pressure value of the high-pressure gas source through the pressure reducing valve 5 to meet the inlet pressure requirements of all air-cooled fuel cells, thereby improving the overall safety.

[0032] In one embodiment of the utility model, the first shell 11 includes a first bottom support plate 111, an aluminum profile frame and an openable movable door 6 arranged perpendicular to the first bottom support plate 111, and the first bottom support plate 111 is an antistatic material component, preferably a bakelite material component.

[0033] In one embodiment of the utility model, the second shell 21 includes a second bottom support plate 211, an aluminum profile frame, and a side panel 7 and a display panel 8 respectively arranged perpendicular to the second bottom support plate 211, wherein the display panel 8 and the movable door 6 are arranged on the same side, and the second bottom support plate 211 is an antistatic material component, preferably a bakelite material component, and the display panel 8 is an acrylic material component.

[0034] In one embodiment of the utility model, a ventilation window 71 is provided on the side panel 7. Since the new air-cooled fuel cell test bench is arranged on a workbench, and the control buttons and display lights are installed on the display panel 8, in order to facilitate the operation of the staff, three holes 81 for installing buttons or knobs are respectively arranged at both ends of the display panel 8.

[0035] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A new type of air-cooled fuel cell test bench, characterized in that: The invention comprises an upper part (1) for controlling the input and output of a fuel cell and a lower part (2) arranged below the upper part (1), wherein the upper part (1) comprises a first shell (11) and a power conversion device (3) arranged in the first shell (11), a control device (4) is arranged outside the power conversion device (3), and the output end of the control device (4) is connected to the power conversion device (3), and the lower part (2) comprises a second shell (21) arranged corresponding to the first shell (11) and a load device (22) arranged on the bottom surface of the second shell (21) for consuming the energy of the fuel cell, a pressure reducing valve (5) connected to the control device (4) is arranged outside the load device (22), and the control device (4) can adjust the pressure value of the high-pressure gas source through the pressure reducing valve (5).

2. The novel air-cooled fuel cell test bench according to claim 1 is characterized in that: The power conversion device (3) comprises a DC-DC converter (31) and a first conversion switch power supply (32) arranged at the output end of the DC-DC converter (31), and a second conversion switch power supply (33) is also arranged at the output end of the first conversion switch power supply (32).

3. The novel air-cooled fuel cell test bench according to claim 2 is characterized in that: The first conversion switch power supply (32) is a 220V to 24V switch power supply, and the second conversion switch power supply (33) is a 24V to 12V switch power supply.

4. The novel air-cooled fuel cell test bench according to claim 1 is characterized in that: The first housing (11) comprises a first bottom support plate (111) and an openable movable door (6) arranged perpendicular to the first bottom support plate (111).

5. The novel air-cooled fuel cell test bench according to claim 4 is characterized in that: The first bottom support plate (111) is made of antistatic material.

6. The novel air-cooled fuel cell test bench according to claim 1 is characterized in that: The second housing (21) comprises a second bottom support plate (211) and a side panel (7) and a display panel (8) respectively arranged perpendicular to the second bottom support plate (211).

7. The novel air-cooled fuel cell test bench according to claim 6 is characterized in that: The second bottom support plate (211) is made of antistatic material.

8. The novel air-cooled fuel cell test bench according to claim 6 is characterized in that: At least one ventilation window (71) is provided on the side panel (7), and a plurality of holes (81) for installing buttons or knobs are respectively provided at two ends of the display panel (8).

9. The novel air-cooled fuel cell test bench according to claim 8 is characterized in that: The display panel (8) is a component made of acrylic material.

10. The novel air-cooled fuel cell test bench according to claim 1 is characterized in that: The load device (22) is a load resistor.

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