Gas in pile temperature control device

Abstract

The utility model relates to gas temperature control technical field especially, a kind of gas into heap temperature control device, including, heating component, for heating medium to regulate and control gas temperature;Controller is installed on the heating component;Heat exchange component, the heat exchange component is installed on the heating component, the heat exchange component with the heating component form a fluid circuit;Pipeline component is installed on the heat exchange component, the fluid circuit is used to regulate and control the temperature of gas in the pipeline component;Gas inlet component is installed in the import end of the pipeline component, the utility model is in real time monitoring gas temperature by temperature sensor one of gas pipe import end and temperature sensor two of export end, data transmission to controller, controller automatically adjusts the heating power of electric heating rod, the delivery of water pump and the opening or closure of solenoid valve one, solenoid valve two, effectively control the heat that hot side end passes to gas, realize the accurate control of gas temperature.

Description

Technical Field

[0001] This utility model relates to the field of gas temperature control technology, and in particular to a gas inlet temperature control device. Background Technology

[0002] During the operation of the fuel cell stack, hydrogen is introduced as fuel. Hydrogen undergoes an oxidation reaction at the anode to release electrons, which react with oxygen introduced at the cathode to produce water and generate electricity. Hydrogen is the core reaction material of this type of fuel cell stack, and the gas inlet temperature has a crucial impact on the performance and stability of the fuel cell stack.

[0003] Currently, existing technologies mostly use simple heat exchange methods to regulate gas temperature, which makes it difficult to achieve precise control of gas inlet temperature. Since heat loss is inevitable in the heat exchange process, and the gas exchanges heat with the external environment during pipeline transmission, there is a large deviation between the actual inlet temperature and the target temperature, which seriously affects the normal operation and efficiency of the fuel cell stack.

[0004] To address these issues, those skilled in the art have proposed a gas feed temperature control device. Utility Model Content

[0005] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the present invention.

[0006] In view of the problem that heat loss occurs during the heat exchange process in the above-mentioned or existing technologies, which affects the gas inlet temperature, this utility model is proposed.

[0007] Therefore, the purpose of this invention is to provide a gas infeed temperature control device.

[0008] To solve the above-mentioned technical problems, the present invention provides the following technical solution: a gas inlet temperature control device, comprising a heating component for heating a medium to regulate the gas temperature;

[0009] A controller mounted on the heating assembly;

[0010] A heat exchange assembly is mounted on the heating assembly, and the heat exchange assembly and the heating assembly form a fluid loop;

[0011] A piping assembly installed on the heat exchanger, wherein the fluid loop is used to regulate the temperature of the gas within the piping assembly;

[0012] An intake assembly installed at the inlet end of the pipeline assembly; and,

[0013] An electric stack installed at the outlet end of the pipeline assembly.

[0014] As a preferred embodiment of the gas inlet temperature control device of this utility model, the heating component includes a water tank, an inlet hopper and a drain pipe on the water tank, an electric heating rod inside the water tank, a water pump on the surface of the water tank, one end of the water pump being connected to an inlet pipe, and one end of the inlet pipe leading to the interior of the water tank.

[0015] In a preferred embodiment of the gas inlet temperature control device of this utility model, the heat exchange component includes a polyurethane foam block, which is installed on one side of the outer wall of the water tank. The surface of the polyurethane foam block has a vertical through-hole. A water outlet pipe is vertically connected to the inner wall of the installation hole near the water tank. One end of the water outlet pipe is connected to the water pump. The pipeline assembly is located on the inner wall of the other side of the installation hole. A sealing heat-conducting element is provided between the water outlet pipe and the pipeline assembly.

[0016] In a preferred embodiment of the gas feed temperature control device of this utility model, the other end of the water outlet pipe passes through the polyurethane foam block and is connected to the interior of the water tank, and a check valve is provided at the tail end of the water outlet pipe.

[0017] As a preferred embodiment of the gas inlet temperature control device of this utility model, the pipeline assembly includes a gas pipe, which is inserted into one side of the inner wall of the installation port. A solenoid valve and a temperature sensor are provided at the inlet of the gas pipe, and a solenoid valve and a temperature sensor are provided at the outlet of the gas pipe. All external pipelines are provided with heat tracing cables on their outer sides. The heat tracing cables can insulate the gas in the pipeline, significantly reduce heat loss during gas transmission, and reduce the temperature drop.

[0018] As a preferred embodiment of the gas inlet temperature control device of this utility model, the sealing and heat-conducting component includes thermally conductive silicone and two sealing plates. The thermally conductive silicone is disposed between the water outlet pipe and the gas pipe. The two sealing plates are respectively disposed at the upper and lower ends of the thermally conductive silicone. The surface of the sealing plate is flush with the surface of the polyurethane foam block.

[0019] In a preferred embodiment of the gas inlet temperature control device of this utility model, the gas inlet assembly includes a gas storage tank, an inlet pipe is installed at one end of the gas storage tank, a guide pipe is installed at the other end of the gas storage tank, and one end of the guide pipe is connected to the inlet of the gas pipe.

[0020] In a preferred embodiment of the gas inlet temperature control device of this utility model, a connecting pipe is provided at one end of the fuel cell stack, and one end of the connecting pipe is connected to the outlet of the gas pipe.

[0021] The beneficial effects of the gas inlet temperature control device of this utility model:

[0022] The electric heating rod in the heating component heats the water in the water tank. The water pump drives the hot water to flow into the heat exchange component, where it exchanges heat with the gas in the pipeline component, forming a closed-loop system of heating, circulation and heat exchange. The thermally conductive silicone in the heat exchange component is filled between the water outlet pipe and the gas pipe. Through its high thermal conductivity, it reduces thermal resistance and ensures that the heat from the hot water is efficiently transferred to the gas. The polyurethane foam block wraps the heat exchange area to reduce heat loss to the external environment, thereby improving the heat exchange efficiency. The heat tracing cable outside the pipeline can also reduce heat loss.

[0023] Temperature sensor 1 at the inlet end of the gas pipe and temperature sensor 2 at the outlet end monitor the gas temperature in real time. After the data is transmitted to the controller, the controller automatically adjusts the heating power of the electric heating rod, the delivery of the water pump, and the opening or closing of solenoid valves 1 and 2. Based on the heat calculation formula q = cmΔt (where q is heat, c is the specific heat capacity of water, m is mass, Δt is the temperature change, and the density of water is 1000 kg / m³), the heat transferred to the gas from the hot side can be effectively controlled by controlling the water flow rate, thereby achieving precise control of the gas temperature. This ensures that the gas enters the fuel cell stack within a reasonable and precise temperature range, solving the problem of large temperature deviation in existing technologies. Attached Figure Description

[0024] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0025] Figure 1 This is a schematic diagram of the overall structure of the gas inlet temperature control device.

[0026] Figure 2 This is a schematic diagram of the internal structure of the water tank in the gas inlet temperature control device.

[0027] Figure 3 This is a schematic diagram of the gas inlet assembly and piping assembly of the gas inlet temperature control device.

[0028] Figure 4 This is a schematic diagram of the unfolded structure of the heat exchange component of the gas inlet temperature control device.

[0029] In the diagram: 100, Heating component; 101, Water tank; 102, Water inlet hopper; 103, Water pump; 104, Water inlet pipe; 105, Electric heating rod; 200, Controller; 300, Air inlet component; 301, Air storage tank; 302, Air inlet pipe; 303, Guide pipe; 400, Heat exchange component; 401, Polyurethane foam block; 402, Water outlet pipe; 403, Check valve; 404, Mounting port; 405, Thermally conductive silicone; 406, Sealing plate; 500, Piping component; 501, Air pipe; 502, Solenoid valve one; 503, Temperature sensor one; 504, Solenoid valve two; 505, Temperature sensor two; 600, Fuel cell stack; 601, Connecting pipe. Detailed Implementation

[0030] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0031] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0032] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments.

[0033] Example 1

[0034] Reference Figures 1 to 3 This is the first embodiment of the present invention. This embodiment provides a gas inlet temperature control device, which can achieve the effect of keeping the gas inlet within a reasonable and precise temperature range when it enters the fuel cell stack. It includes a heating component 100 for heating the medium to regulate the gas temperature.

[0035] A controller 200 is installed on the heating assembly 100;

[0036] A heat exchange component 400 is mounted on a heating component 100, and the heat exchange component 400 and the heating component 100 form a fluid circuit;

[0037] A piping assembly 500 is installed on the heat exchanger 400, and a fluid loop is used to regulate the temperature of the gas inside the piping assembly 500;

[0038] The intake assembly 300 is installed at the inlet end of the piping assembly 500; and,

[0039] The fuel cell stack 600 is installed at the outlet end of the piping assembly 500.

[0040] After the heating component 100 heats the medium, the medium circulates in the fluid loop formed with the heat exchange component 400. The gas inlet component 300 delivers gas at the inlet end of the pipeline component 500. The gas enters the fuel cell stack 600 through the pipeline component 500 and stays inside the pipeline component 500. It exchanges heat with the gas inside the pipeline component 500 through the heat exchange component 400. The controller 200 is installed on the heating component 100 to regulate the operation of each component, realize precise regulation of the temperature of the gas entering the stack, reduce heat loss. After the heat exchange makes the gas reach a suitable temperature, the gas enters the fuel cell stack 600 through the pipeline component 500, ensuring the stable operation of the fuel cell stack 600.

[0041] Specifically, the heating component 100 includes a water tank 101, on which a water inlet 102 and a drain pipe are provided. An electric heating rod 105 is provided inside the water tank 101. A water pump 103 is provided on the surface of the water tank 101. One end of the water pump 103 is connected to a water inlet pipe 104, and one end of the water inlet pipe 104 leads to the interior of the water tank 101.

[0042] The medium is heated by an electric heating rod 105, and then the medium is sent into the heat exchange assembly 400 by a water pump 103, and then the gas in the pipeline assembly 500 is heated.

[0043] Furthermore, the heat exchange component 400 includes a polyurethane foam block 401, which is installed on one side of the outer wall of the water tank 101. The surface of the polyurethane foam block 401 has a vertical through-hole 404. A water outlet pipe 402 is vertically snapped onto the inner wall of the installation port 404 near the water tank 101. One end of the water outlet pipe 402 is connected to the water pump 103. The pipeline assembly 500 is set on the inner wall of the other side of the installation port 404. A sealing heat-conducting element is provided between the water outlet pipe 402 and the pipeline assembly 500.

[0044] Polyurethane foam block 401 reduces heat loss, and sealed heat-conducting components ensure heat exchange efficiency and system sealing, facilitating precise temperature control of the gas in the device.

[0045] The other end of the water outlet pipe 402 passes through the polyurethane foam block 401 and is connected to the interior of the water tank 101. A check valve 403 is installed at the tail end of the water outlet pipe 402.

[0046] The check valve 403 prevents the medium in the water tank 101 from flowing directly back into the outlet pipe 402.

[0047] It should be noted that the piping assembly 500 includes an air pipe 501, which is inserted into one side of the inner wall of the mounting port 404. A solenoid valve 502 and a temperature sensor 503 are provided at the inlet of the air pipe 501, and a solenoid valve 504 and a temperature sensor 505 are provided at the outlet of the air pipe 501.

[0048] During use, temperature sensor 503 at the inlet end of gas pipe 501 and temperature sensor 505 at the outlet end monitor the gas temperature in real time. After the data is transmitted to controller 200, controller 200 automatically adjusts the heating power of electric heating rod 105, the delivery of water pump 103, and the opening or closing of solenoid valve 502 and solenoid valve 504. Based on the heat calculation formula q=cmΔt (where q is heat, c is the specific heat capacity of water, m is mass, Δt is the temperature change, and the density of water is 1000 kg / m³), by controlling the water flow rate, the heat transferred to the gas from the hot side can be effectively controlled, achieving precise control of the gas temperature, so that the gas enters the fuel cell stack within a reasonable and precise temperature range.

[0049] Example 2

[0050] Reference Figure 4 This is the second embodiment of the present invention. Unlike the previous embodiment, the sealing and heat-conducting component includes thermally conductive silicone 405 and two sealing plates 406. The thermally conductive silicone 405 is disposed between the water outlet pipe 402 and the air pipe 501. The two sealing plates 406 are respectively disposed at the upper and lower ends of the thermally conductive silicone 405. The surface of the sealing plate 406 is flush with the surface of the polyurethane foam block 401.

[0051] During use, the thermally conductive silicone 405 fills the gap between the water outlet pipe 402 and the gas pipe 501. Through its high thermal conductivity, it conducts the heat of the heating medium in the water outlet pipe 402 to the gas in the gas pipe 501, achieving efficient heat exchange. The sealing plates 406 at the upper and lower ends press the thermally conductive silicone 405 to prevent it from overflowing and form a sealing structure, avoiding gas leakage or the intrusion of cold air from the outside. At the same time, it makes the sealing thermally conductive component flush with the surface of the polyurethane foam block 401, reducing heat loss in the heat exchange area and improving temperature control accuracy and system sealing.

[0052] Example 3

[0053] Reference Figures 1 to 3 This is the third embodiment of the present invention. Unlike the previous embodiment, the air intake assembly 300 includes an air storage tank 301. An air intake pipe 302 is installed at one end of the air storage tank 301, and a guide pipe 303 is installed at the other end of the air storage tank 301. One end of the guide pipe 303 is connected to the inlet of the air pipe 501.

[0054] Specifically, one end of the fuel cell stack 600 is provided with a connecting pipe 601, and one end of the connecting pipe 601 is connected to the outlet of the gas pipe 501.

[0055] During use, hydrogen is supplied from the outside and enters the gas storage tank 301. The gas storage tank 301 buffers and stabilizes the gas source pressure, and then the hydrogen is sent into the gas pipe 501 through the guide pipe 303. After sufficient heat exchange with the water outlet pipe 402, the gas in the gas pipe 501 reaches a suitable temperature for entering the fuel cell stack 600, and then enters the fuel cell stack 600 through the connecting pipe 601.

[0056] It should be understood that numerous specific implementation decisions can be made during the development of any practical implementation, such as in any engineering or design project. Such development efforts may be complex and time-consuming, but for those skilled in the art who benefit from this disclosure, the development effort will be a routine work of design, manufacturing, and production without requiring much experimentation.

[0057] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A gas feed temperature control device, characterized in that: including, a heating component (100) for heating a medium to control the gas temperature; a controller (200) installed on the heating component (100); a heat exchange component (400), the heat exchange component (400) is installed on the heating component (100), and the heat exchange component (400) and the heating component (100) form a fluid circuit; a pipeline component (500) installed on the heat exchange component (400), and the fluid circuit is used to control the temperature of the gas in the pipeline component (500); an air inlet component (300) installed at the inlet end of the pipeline component (500); and, a fuel cell stack (600) installed at the outlet end of the pipeline component (500).

2. The gas inlet reactor temperature control device according to claim 1, wherein: The heating component (100) includes a water tank (101), an inlet hopper (102) and a drain pipe are provided on the water tank (101), an electric heating rod (105) is arranged inside the water tank (101), a water pump (103) is arranged on the surface of the water tank (101), one end of the water pump (103) is connected with a water inlet pipe (104), and one end of the water inlet pipe (104) leads to the inside of the water tank (101).

3. The gas inlet reactor temperature control device according to claim 2, characterized in that: The heat exchange component (400) includes a polyurethane foam block (401), the polyurethane foam block (401) is installed on one outer wall of the water tank (101), a through installation port (404) is vertically opened on the surface of the polyurethane foam block (401), a water outlet pipe (402) is vertically clamped on one inner wall of the installation port (404) close to the water tank (101), one end of the water outlet pipe (402) is connected with the water pump (103), the pipeline component (500) is arranged on the other inner wall of the installation port (404), and a sealing and heat conducting member is arranged between the water outlet pipe (402) and the pipeline component (500).

4. The gas inlet reactor temperature control device according to claim 3, wherein: The other end of the water outlet pipe (402) passes through the polyurethane foam block (401) and is connected to the inside of the water tank (101), and a check valve (403) is arranged at the tail end of the water outlet pipe (402).

5. The gas inlet reactor temperature control device according to claim 4, wherein: The pipeline component (500) includes an air pipe (501), the air pipe (501) is inserted on one side of the inner wall of the installation port (404), a solenoid valve one (502) and a temperature sensor one (503) are arranged at the inlet of the air pipe (501), and a solenoid valve two (504) and a temperature sensor two (505) are arranged at the outlet of the air pipe (501).

6. The gas inlet reactor temperature control device according to claim 5, wherein: The sealing and heat conducting member includes heat conducting silica gel (405) and two sealing plates (406), the heat conducting silica gel (405) is arranged between the water outlet pipe (402) and the air pipe (501), the two sealing plates (406) are respectively arranged at the upper and lower ends of the heat conducting silica gel (405), and the surface of the sealing plate (406) is flush with the surface of the polyurethane foam block (401).

7. The gas inlet reactor temperature control device according to claim 6, wherein: The intake assembly (300) includes a gas storage tank (301). An intake pipe (302) is installed at one end of the gas storage tank (301), and a diversion pipe (303) is installed at the other end of the gas storage tank (301). One end of the diversion pipe (303) is connected to the inlet of the air pipe (501).

8. The gas inlet reactor temperature control device according to claim 7, characterized in that: A connecting pipe (601) is provided at one end of the fuel cell stack (600), and one end of the connecting pipe (601) is connected to the outlet of the air pipe (501).

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