Fuel cell cooling system temperature sensor support

By designing a temperature sensor support for the fuel cell cooling system, using 6061 aluminum alloy and undergoing oxidation treatment, the problem of lacking a support structure was solved, enabling reliable installation of the temperature sensor and detection of low conductivity, thereby improving the stability and efficiency of the fuel cell cooling system.

CN223539618UActive Publication Date: 2025-11-11YANGZHOU ZHONGDE AUTO PARTS CO LTD
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Patent Information

Application Number
CN202422916229.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-28
Publication Date
2025-11-11
Estimated Expiration
2034-11-28

AI Technical Summary

Technical Problem

The lack of brackets or mounting bases for installing temperature sensors in fuel cell cooling systems in existing technologies makes it impossible to effectively detect the operating temperature of the cooling system.

Method used

A temperature sensor support for a fuel cell cooling system was designed. It is made of 6061 aluminum alloy and forms a dense oxide layer through oxidation treatment to ensure external corrosion resistance and no ion precipitation on the internal surface. The temperature sensor is installed using a threaded connection to meet the low conductivity requirement.

Benefits of technology

The reliable installation of the temperature sensor was achieved, enabling the detection of the operating temperature of the fuel cell cooling system, meeting the low conductivity requirements of the components, and improving the stability and efficiency of the system.

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Abstract

The utility model discloses a fuel cell cooling system temperature sensor support in the field of fuel cells, which comprises a channel pipe, the front end and the rear end of the channel pipe are respectively connected with a connecting pipe I and a connecting pipe II, the side surface of the channel pipe is provided with a side branch pipe, and the side branch pipe is communicated with the inside of the channel pipe. The axis of the side branch pipe is perpendicular to the axis of the channel pipe, internal threads are arranged on the inner wall of the side branch pipe, and the side branch pipe is connected with the temperature sensor through the internal threads. At least two annular rolling ribs spaced front and back are arranged on the periphery of the channel pipe, the first connecting pipe and the second connecting pipe are both silicone pipes, and the first connecting pipe and the second connecting pipe are fixed to the front end and the rear end of the channel pipe in a tensioning and sleeving mode through the two rolling ribs respectively. According to the utility model, the temperature sensor can be installed to detect the operation temperature of the fuel cell cooling system, and the requirement of the fuel cell cooling system on low conductivity of parts is met.
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Description

Technical Field

[0001] This utility model belongs to the field of fuel cells, and specifically relates to a temperature sensor support for a fuel cell cooling system. Background Technology

[0002] Automotive fuel cells are a type of new energy technology that can provide electricity to vehicles, eliminating the need for gasoline. The cooling system plays a crucial role in fuel cells, effectively controlling their temperature and improving their efficiency and stability.

[0003] The cooling system plays a crucial role in fuel cells, effectively controlling their temperature and improving efficiency and stability. In current technology, fuel cell cooling systems are typically implemented using coolant and corresponding thermal management devices. Temperature sensors are needed to detect the operating temperature of the cooling system's liquid; however, there is a lack of brackets or mounting bases available on the market for installing these sensors. Utility Model Content

[0004] The purpose of this invention is to provide a temperature sensor support for a fuel cell cooling system, which can be used to install a temperature sensor to detect the operating temperature of the fuel cell cooling system and meet the requirements of the fuel cell cooling system for low electrical conductivity of components.

[0005] The purpose of this utility model is achieved as follows: A temperature sensor support for a fuel cell cooling system includes a channel tube, with a connecting pipe 1 and a connecting pipe 2 connected to the front and rear ends of the channel tube respectively. A side branch tube is provided on the side of the channel tube, which is connected to the inside of the channel tube. The axis of the side branch tube is perpendicular to the axis of the channel tube. The inner wall of the side branch tube is provided with an internal thread, and the side branch tube is connected to the temperature sensor through the internal thread.

[0006] This invention uses a channel tube with a length of 95-105mm and an outer diameter of 49-51mm. The manufacturing steps are as follows: first, the aluminum alloy tube is cut to a fixed length; then, ribs are rolled and holes are drilled on the outer circumference of the channel tube; the side branch tubes are welded and fixed to the channel tube; then, the channel tube undergoes an airtightness test and oxidation treatment; finally, it is cleaned and packaged. The material used is 6061 aluminum alloy, which undergoes oxidation treatment after machining to form a dense oxide layer on its inner and outer surfaces, ensuring external corrosion resistance and no ion precipitation on the inner surface, meeting the low conductivity requirements of fuel cell cooling systems for components. Connecting pipe one and connecting pipe two are respectively connected to the fuel cell cooling system, and the liquid temperature in the system is detected by a threaded connection temperature sensor. Compared with the prior art, the beneficial effects of this invention are: it can be used to install temperature sensors to detect the operating temperature of the fuel cell cooling system, meeting the low conductivity requirements of fuel cell cooling systems for components.

[0007] As a further improvement of this utility model, the channel tube is an aluminum alloy tube with a length of 95-105mm and an outer diameter of 49-51mm. Preferably, the channel tube length is 100mm and the outer diameter is 50mm.

[0008] As a further improvement of this utility model, the channel pipe and the side branch pipe are both made of 6061 aluminum alloy, and both the inner and outer surfaces of the channel pipe and the side branch pipe are provided with a dense oxide layer formed by oxidation treatment. The oxide layer provides external corrosion resistance and prevents ion precipitation on the inner surface, thereby achieving the low conductivity requirement of the fuel cell cooling system.

[0009] As a further improvement of this utility model, the outer circumference of the channel tube is provided with at least two annular rollers spaced at intervals. Both connecting pipe one and connecting pipe two are silicone tubes, and connecting pipe one and connecting pipe two are respectively fixed to the front and rear ends of the channel tube by the tensioning sleeves of the two rollers. The silicone tubes are easy to connect and install, and there is no ion precipitation, ensuring the low conductivity of the fuel cell cooling system.

[0010] As a further improvement of this utility model, the side wall of the channel pipe is provided with a drilled hole corresponding to the side branch pipe. The channel pipe is connected to the side branch pipe through the drilled hole, and the side branch pipe is welded and fixed to the channel pipe. The internal thread of the side branch pipe is M12*1.5 thread. Attached Figure Description

[0011] Figure 1 This is a cross-sectional view of the present invention.

[0012] Figure 2 This is a schematic diagram of the external structure of this utility model.

[0013] Among them, 1 is the channel pipe, 2 is the first connecting pipe, 3 is the second connecting pipe, 4 is the side branch pipe, 5 is the internal thread, 6 is the rib, and 7 is the drilled hole. Detailed Implementation

[0014] like Figure 1 and 2The image shows a temperature sensor support for a fuel cell cooling system, comprising a channel tube 1, with connecting pipe 2 and connecting pipe 3 connected to its front and rear ends respectively. The outer circumference of the channel tube 1 is provided with at least two annular rollers 6 spaced apart. Connecting pipes 2 and 3 are both silicone tubes, which are tightened and fixed to the front and rear ends of the channel tube 1 by the two rollers 6. Silicone tubes are easy to connect and install, prevent ion precipitation, and ensure low conductivity of the fuel cell cooling system. A side branch tube 4 is provided on the side of the channel tube 1, communicating with the interior of the channel tube 1. The axis of the side branch tube 4 is perpendicular to the axis of the channel tube 1. The inner wall of the side branch tube 4 has an internal thread 5, which connects to the temperature sensor. A drilled hole 7 is provided on the side wall of the channel tube 1 corresponding to the side branch tube 4, through which the channel tube 1 communicates with the side branch tube 4. The side branch tube 4 is welded and fixed to the channel tube 1, and the internal thread 5 of the side branch tube 4 is an M12*1.5 thread.

[0015] Channel tube 1 is an aluminum alloy tube with a length of 95-105mm and an outer diameter of 49-51mm.

[0016] Both the channel pipe 1 and the side branch pipe 4 are made of 6061 aluminum alloy, and both the inner and outer surfaces of the channel pipe 1 and the side branch pipe 4 are covered with a dense oxide layer formed by oxidation treatment. The oxide layer provides external corrosion resistance and prevents ion precipitation on the inner surface, thus achieving the low conductivity requirement of the fuel cell cooling system.

[0017] This invention uses a channel tube 1 with a length of 95-105mm and an outer diameter of 49-51mm. The manufacturing steps are as follows: first, the aluminum alloy tube is cut to a fixed length; then, ribs 6 are rolled around the outer circumference of the channel tube 1 and holes are drilled; the side branch tubes 4 are welded and fixed to the channel tube 1; then, the channel tube 1 undergoes an airtightness test and oxidation treatment; finally, it is cleaned and packaged. The material used is 6061 aluminum alloy, which undergoes oxidation treatment after metal processing to form a dense oxide layer on its inner and outer surfaces, ensuring external corrosion resistance and no ion precipitation on the inner surface, meeting the low conductivity requirements of fuel cell cooling systems for components. Connecting pipe 2 and connecting pipe 3 are respectively connected to the fuel cell cooling system, and the liquid temperature in the system is detected by a threaded connection temperature sensor. The advantages of this invention are: it can be used to install temperature sensors to detect the operating temperature of the fuel cell cooling system, meeting the low conductivity requirements of fuel cell cooling systems for components.

[0018] This utility model is not limited to the above embodiments. Based on the technical solutions disclosed in this utility model, those skilled in the art can make some substitutions and modifications to some of the technical features without creative labor, and these substitutions and modifications are all within the protection scope of this utility model.

Claims

1. A temperature sensor support for a fuel cell cooling system, characterized in that, The device includes a channel tube, with connecting pipe one and connecting pipe two connected to its front and rear ends respectively. A side branch tube is provided on the side of the channel tube, which is connected to the inside of the channel tube. The axis of the side branch tube is perpendicular to the axis of the channel tube. The inner wall of the side branch tube is provided with internal threads, and the side branch tube is connected to the temperature sensor through the internal threads.

2. The temperature sensor support for a fuel cell cooling system according to claim 1, characterized in that, The channel tube is made of aluminum alloy, with a length of 95-105mm and an outer diameter of 49-51mm.

3. A temperature sensor support for a fuel cell cooling system according to claim 1 or 2, characterized in that, The channel pipe and the side branch pipe are both made of 6061 aluminum alloy, and the inner and outer surfaces of the channel pipe and the side branch pipe are provided with a dense oxide layer formed by oxidation treatment.

4. A temperature sensor support for a fuel cell cooling system according to claim 1 or 2, characterized in that, The outer periphery of the channel tube is provided with at least two annular rollers spaced back and forth. Both connecting tube one and connecting tube two are silicone tubes. Connecting tube one and connecting tube two are respectively fixed to the front and rear ends of the channel tube by the two rollers tensioning sleeves.

5. A temperature sensor support for a fuel cell cooling system according to claim 1 or 2, characterized in that, The side wall of the channel pipe has a drilled hole corresponding to the side branch pipe. The channel pipe is connected to the side branch pipe through the drilled hole. The side branch pipe is welded and fixed to the channel pipe. The internal thread of the side branch pipe is M12*1.5 thread.