CN216389463U - Special expansion kettle for fuel cell test bench - Google Patents
Special expansion kettle for fuel cell test bench Download PDFInfo
- Publication number
- CN216389463U CN216389463U CN202122563205.9U CN202122563205U CN216389463U CN 216389463 U CN216389463 U CN 216389463U CN 202122563205 U CN202122563205 U CN 202122563205U CN 216389463 U CN216389463 U CN 216389463U
- Authority
- CN
- China
- Prior art keywords
- pipe
- liquid
- shell
- inlet
- fuel cell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Fuel Cell (AREA)
Abstract
The utility model discloses an expansion kettle special for a fuel cell test bench in the field of fuel cells, which comprises a shell, wherein a containing cavity is arranged in the shell, cooling liquid is added into the containing cavity, a liquid inlet pipe is horizontally arranged at the upper part of the outer side of the shell, the liquid inlet pipe is connected with an outlet of a deionizer through a pipeline, an inlet of the deionizer is connected with a cooling liquid outlet of a cell stack through a pipeline, a liquid outlet pipe is horizontally arranged at the lower part of the outer side of the shell, the liquid outlet pipe is connected with an inlet of a water pump through a pipeline, an outlet of the water pump is connected with a cooling liquid inlet of the cell stack, a liquid adding pipe is vertically arranged at the top of the shell, the side surface of the liquid adding pipe is connected with an exhaust pipe, a pressure cover is arranged at the top of the liquid adding pipe, an L-shaped mounting bracket is arranged at the lower part of the outer side of the shell, and a waist-shaped groove is arranged on the horizontal part of the mounting bracket. The utility model can stabilize the pressure of the cooling liquid in the system, has the functions of exhausting and replenishing the liquid and ensures the normal running and flowing of the cooling liquid in the system.
Description
Technical Field
The utility model belongs to the field of fuel cells, and particularly relates to an expansion kettle special for a fuel cell test bench.
Background
In the prior art, a stack is formed by stacking and combining a plurality of single cells in a series connection manner, bipolar plates and a membrane electrode are alternately stacked, sealing elements are embedded between the single cells, and the single cells are tightly pressed by a front end plate and a rear end plate and then are fastened and fastened by screws, so that the fuel cell stack is formed. The electric pile is a site where electrochemical reaction occurs, and is a core part of a power system of the fuel cell. When the electric pile works, hydrogen and oxygen are respectively introduced from the inlet, distributed to the bipolar plates of the monocells through the main gas channel of the electric pile, uniformly distributed to the electrodes through the diversion of the bipolar plates, and contacted with the catalyst through the electrode support body to carry out electrochemical reaction. The galvanic pile becomes one of the key factors for the development of the Chinese fuel cell industry, and the domestic galvanic pile with low cost, high performance and batch supply is the key for the cost reduction of the fuel cell automobile and the competition with the traditional automobile.
The operating characteristics of the fuel cell require that the cooling liquid of the fuel cell has low conductivity (below 10 mus/cm) and low ion concentration, so that the hydrogen fuel cell needs to be tested on a test bench before being put into use to ensure that the cooling liquid of the fuel cell has low conductivity, and the current fuel cell lacks an expansion kettle which can ensure the normal operation of a system in the testing process.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an expansion kettle special for a fuel cell test bench, which can stabilize the pressure of cooling liquid in a system, has the functions of exhausting and supplementing liquid and ensures that the cooling liquid normally runs and flows in the system.
The purpose of the utility model is realized as follows: the utility model provides a special expansion kettle of fuel cell test bench, includes the casing, and the inside chamber that holds that is provided with of casing holds the intracavity and has added the coolant liquid, and the upper portion level in the casing outside is provided with the feed liquor pipe, the feed liquor pipe is connected with the export of deionizer through the pipeline, and the import of deionizer is connected with the coolant liquid export of pile through the pipeline, the lower part level in the casing outside is provided with the drain pipe, and the drain pipe is connected with the water pump entry through the pipeline, and the water pump export is connected with the coolant liquid import of pile, the vertical liquid feeding pipe that is provided with in casing top, liquid feeding pipe, drain pipe and feed liquor pipe all are linked together with holding the chamber, the side of liquid feeding pipe is connected with the blast pipe, and the top of liquid feeding pipe is provided with the pressure lid, and the lower part in the casing outside is provided with L shape installing support, has seted up the kidney slot on the horizontal part of installing support.
When the electric water heater works, the liquid inlet pipe of the kettle is connected to the highest pressure point of the system, the cooling liquid outlet of the galvanic pile is the highest pressure point, the liquid outlet pipe is connected to the lowest pressure point of the system, the water pump inlet is the lowest pressure point, cooling liquid is added into the accommodating cavity of the shell, when the cooling liquid exceeds the highest liquid level height, the air is exhausted outwards through the exhaust pipe, and when the cooling liquid falls to the lowest liquid level height, liquid is added into the cooling liquid through the liquid adding pipe, so that the electric water heater has a pressure stabilizing effect. Compared with the prior art, the utility model has the beneficial effects that: the pressure stabilizing device can stabilize the pressure of the cooling liquid in the system, has the functions of exhausting and replenishing the liquid, and ensures that the cooling liquid flows in the system in normal operation.
As a further improvement of the utility model, the cooling liquid outlet of the electric pile is also connected with the inlet of the upper water chamber of the radiator through a pipeline, and the outlet of the lower water chamber of the radiator is also connected with the inlet of the water pump through a pipeline. The cooling liquid of the electric pile sequentially passes through the upper water chamber, the heat dissipation core body cooling channel and the lower water chamber of the heat radiator, and the cooling fan blows air to the heat dissipation core body cooling channel to cool the cooling liquid.
As a further improvement of the utility model, the shell is rectangular, the liquid inlet pipe and the liquid outlet pipe are respectively arranged on two adjacent side surfaces of the shell, the axes of the liquid inlet pipe and the liquid outlet pipe are mutually vertical, an external pipe is arranged on one side surface of the shell opposite to the liquid outlet pipe, the external pipe comprises an upper elbow and a lower elbow, a connecting pipe is arranged between the upper elbow and the lower elbow, the upper elbow is communicated with the upper part of the accommodating cavity, and the lower elbow is communicated with the lower part of the accommodating cavity. When the cooling liquid in the containing cavity rises to the position of the upper elbow, the cooling liquid enters the external connecting pipe through the upper elbow, the downward flowing speed of the liquid is accelerated, and the cooling liquid storage device has the function of additionally storing the cooling liquid.
As a further improvement of the utility model, a liquid level sensor is vertically arranged in the accommodating cavity. The liquid level sensor has the function of detecting the liquid level height.
As a further improvement of the utility model, the exhaust pressure in the exhaust pipe is 0.03MPa, the pipe diameter of the liquid inlet pipe is 17.5-18.5 mm, and the pipe diameter of the liquid outlet pipe is 24.5-25.5 mm.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is a right side view of the present invention.
Fig. 4 is a schematic structural diagram of the access system of the present invention.
The device comprises a shell 1, a containing cavity 2, a liquid inlet pipe 3, a deionizer 4, a galvanic pile 5, a cooling liquid outlet 5a, a cooling liquid inlet 5b, a liquid outlet 6, a water pump 7, a liquid adding pipe 8, an exhaust pipe 9, a pressure cover 10, an installation support 11, a horizontal part 11a, a kidney-shaped groove 12, a radiator 13, an upper water chamber inlet 13a, a lower water chamber outlet 13b, an external connecting pipe 14, an upper elbow 14a, a lower elbow 14b, a connecting pipe 14c and a liquid level sensor 15.
Detailed Description
As shown in fig. 1-4, the expansion kettle special for the fuel cell test bench comprises a shell 1, a containing cavity 2 is arranged in the shell 1, cooling liquid is added in the containing cavity 2, a liquid inlet pipe 3 is horizontally arranged at the upper part of the outer side of the shell 1, the liquid inlet pipe 3 is connected with an outlet of a deionizer 4 through a pipeline, an inlet of the deionizer 4 is connected with a cooling liquid outlet 5a of a stack 5 through a pipeline, a liquid outlet pipe 6 is horizontally arranged at the lower part of the outer side of the shell 1, the liquid outlet pipe 6 is connected with an inlet of a water pump 7 through a pipeline, an outlet of the water pump 7 is connected with a cooling liquid inlet 5b of the stack 5, a liquid adding pipe 8 is vertically arranged at the top of the shell 1, the liquid adding pipe 8, the liquid outlet pipe 6 and the liquid inlet pipe 3 are all communicated with the containing cavity 2, an exhaust pipe 9 is connected to the side surface of the liquid adding pipe 8, a pressure cover 10 is arranged at the top of the liquid adding pipe 8, an L-shaped mounting bracket 11 is arranged at the lower part of the outer side of the shell 1, the horizontal portion 11a of the mounting bracket 11 is provided with a kidney-shaped groove 12.
In order to cool the coolant of the electric pile 5, the coolant outlet 5a of the electric pile 5 is also connected with the inlet 13a of the upper water chamber of the radiator 13 through a pipeline, and the outlet 13b of the lower water chamber of the radiator 13 is also connected with the inlet of the water pump 7 through a pipeline. The cooling liquid of the electric pile 5 sequentially passes through the upper water chamber, the heat dissipation core body cooling channel and the lower water chamber of the heat radiator 13, and the heat dissipation fan blows air to the heat dissipation core body cooling channel to cool the cooling liquid.
In order to prevent excessive cooling liquid in the accommodating cavity 2, the shell 1 is rectangular, the liquid inlet pipe 3 and the liquid outlet pipe 6 are respectively arranged on two adjacent side surfaces of the shell 1, the axes of the liquid inlet pipe 3 and the liquid outlet pipe 6 are mutually vertical, an external connecting pipe 14 is arranged on one side surface of the shell 1, which is opposite to the liquid outlet pipe 6, the external connecting pipe 14 comprises an upper elbow 14a and a lower elbow 14b, a connecting pipe 14c is arranged between the upper elbow 14a and the lower elbow 14b, the upper elbow 14a is communicated with the upper part of the accommodating cavity 2, and the lower elbow 14b is communicated with the lower part of the accommodating cavity 2. When the cooling liquid in the accommodating cavity 2 rises to the position of the upper elbow 14a, the cooling liquid enters the external connecting pipe 14 through the upper elbow 14a, the downward flowing speed of the liquid is increased, and the effect of additionally storing the cooling liquid is achieved.
In order to accurately detect the height of the cooling liquid level, a liquid level sensor 15 is vertically disposed in the housing chamber 2. The level sensor 15 has a function of detecting the level of the liquid.
The exhaust pressure in the exhaust pipe 9 is 0.03MPa, the pipe diameter of the liquid inlet pipe 3 is 17.5-18.5 mm, and the pipe diameter of the liquid outlet pipe 6 is 24.5-25.5 mm.
When the electric kettle works, the liquid inlet pipe 3 of the kettle is connected with the highest pressure point of the system, the cooling liquid outlet 5a of the galvanic pile 5 is the highest pressure point, the liquid outlet pipe 6 is connected with the lowest pressure point of the system, the water pump 7 inlet is the lowest pressure point, the cooling liquid is added into the accommodating cavity 2 of the shell 1, when the cooling liquid exceeds the highest liquid level height, the air is exhausted outwards through the exhaust pipe 9, and when the cooling liquid falls to the lowest liquid level height, the liquid is added inwards through the liquid adding pipe 8, so that the electric kettle has a pressure stabilizing effect. The utility model has the advantages that: the pressure stabilizing device can stabilize the pressure of the cooling liquid in the system, has the functions of exhausting and replenishing the liquid, and ensures that the cooling liquid flows in the system in normal operation.
The present invention is not limited to the above-mentioned embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some substitutions and modifications to some technical features without creative efforts according to the disclosed technical contents, and these substitutions and modifications are all within the protection scope of the present invention.
Claims (5)
1. An expansion kettle special for a fuel cell test bench is characterized by comprising a shell, wherein a containing cavity is arranged in the shell, cooling liquid is added into the containing cavity, a liquid inlet pipe is horizontally arranged at the upper part of the outer side of the shell, the liquid inlet pipe is connected with the outlet of the deionizer through a pipeline, the inlet of the deionizer is connected with the cooling liquid outlet of the galvanic pile through a pipeline, a liquid outlet pipe is horizontally arranged at the lower part of the outer side of the shell, the liquid outlet pipe is connected with an inlet of a water pump through a pipeline, an outlet of the water pump is connected with a cooling liquid inlet of the galvanic pile, a liquid feeding pipe is vertically arranged at the top of the shell, the liquid feeding pipe, the liquid outlet pipe and the liquid inlet pipe are all communicated with the containing cavity, the side of the liquid feeding pipe is connected with an exhaust pipe, the top of the liquid feeding pipe is provided with a pressure cover, the lower part of the outer side of the shell is provided with an L-shaped mounting bracket, and a horizontal part of the mounting bracket is provided with a kidney-shaped groove.
2. The expansion kettle special for the fuel cell test bench according to claim 1, wherein the coolant outlet of the electric pile is further connected with the inlet of the upper water chamber of the radiator through a pipeline, and the outlet of the lower water chamber of the radiator is also connected with the inlet of the water pump through a pipeline.
3. The special expansion kettle for the fuel cell test bench according to claim 1 or 2, wherein the casing is rectangular, the liquid inlet pipe and the liquid outlet pipe are respectively arranged on two adjacent sides of the casing, the axes of the liquid inlet pipe and the liquid outlet pipe are perpendicular to each other, an external pipe is arranged on one side of the casing opposite to the liquid outlet pipe, the external pipe comprises an upper elbow and a lower elbow, a connecting pipe is arranged between the upper elbow and the lower elbow, the upper elbow is communicated with the upper part of the accommodating cavity, and the lower elbow is communicated with the lower part of the accommodating cavity.
4. The expansion kettle special for the fuel cell test bench as claimed in claim 1 or 2, wherein a liquid level sensor is vertically arranged in the accommodating cavity.
5. The special expansion kettle for the fuel cell test bench according to claim 1 or 2, wherein the exhaust pressure in the exhaust pipe is 0.03MPa, the pipe diameter of the liquid inlet pipe is 17.5-18.5 mm, and the pipe diameter of the liquid outlet pipe is 24.5-25.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122563205.9U CN216389463U (en) | 2021-10-25 | 2021-10-25 | Special expansion kettle for fuel cell test bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122563205.9U CN216389463U (en) | 2021-10-25 | 2021-10-25 | Special expansion kettle for fuel cell test bench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216389463U true CN216389463U (en) | 2022-04-26 |
Family
ID=81247705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122563205.9U Active CN216389463U (en) | 2021-10-25 | 2021-10-25 | Special expansion kettle for fuel cell test bench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216389463U (en) |
-
2021
- 2021-10-25 CN CN202122563205.9U patent/CN216389463U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102437357B (en) | Water balance system of fuel cell | |
| CN209894413U (en) | Hydrogen leakage monitoring device of hydrogen fuel cell | |
| CN103882466B (en) | A kind of mesohigh solid polymer apparatus for electrolyzing | |
| CN216389463U (en) | Special expansion kettle for fuel cell test bench | |
| CN113161571A (en) | Plastic-coated current collecting plate and fuel cell | |
| CN103151547A (en) | Composite fuel cell | |
| CN114220997B (en) | Kilowatt-level zinc-iron redox flow battery performance test system | |
| CN215988854U (en) | Fuel cell distribution manifold with hydrogen heating | |
| CN216488174U (en) | Humidification system for small-power fuel cell test bench | |
| CN102005593A (en) | Novel system-integration type modular fuel cell system | |
| CN213738603U (en) | Solid hydrogen is put hydrogen purifier and is used acid dip pickle | |
| CN211829033U (en) | Improved solid oxide fuel cell device | |
| CN211295273U (en) | Plastic-coated current collecting plate and fuel cell | |
| CN217507405U (en) | Detect detection instrument of hydrogen fuel cell insulation end plate gas tightness fast | |
| CN203179987U (en) | Nitrogen purging system for hydrogen supplying busbar of emergency power supply of fuel cell | |
| CN203300747U (en) | Hybrid fuel cell | |
| CN201364924Y (en) | Fuel cell charged with nitrogen or inert gases | |
| CN112038655A (en) | Fuel cell with bipolar plate sealing structure | |
| CN220106593U (en) | Fuel cell moisturizing device | |
| CN100463268C (en) | Compact-structure fuel cell | |
| CN213124642U (en) | Waterproof and leakproof rechargeable lithium battery | |
| CN216488169U (en) | Insulation structure based on fuel cell | |
| CN216213573U (en) | Integrated fuel cell expansion kettle | |
| CN219355807U (en) | Dehumidifying device and equipment with same | |
| CN213459808U (en) | Fuel cell membrane tube humidifier |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |