Temperature control furnace for fuel cell test

Abstract

The invention provides a temperature control furnace for fuel cell testing, which comprises a workbench, the workbench is provided with a placing table and a fixing frame, the fixing frame is rotatably provided with two arc-shaped closed shells, the arc-shaped closed shells are provided with rotating shafts, the rotating shafts are provided with gears, the workbench is provided with a rotating driving part a, and the rotating driving part a is provided with a rotating shaft. The rotary driving part a drives one of the rotating shafts to rotate; a plurality of electric heating wire tubes are arranged in the arc-shaped closed shell; a rotary driving part b is installed in the workbench, and an output shaft is installed at the output end of the rotary driving part b. According to the invention, the rotation driving part b drives the output shaft to rotate and drives the placement table to rotate, so that the L-shaped ventilation pipe is contacted and communicated with the electric heating wire pipe, low-temperature gas is introduced into the gas inlet pipe, the low-temperature gas enters the electric heating wire pipe, and the fuel cell on the placement table is cooled through the arc-shaped closed shell, so that the low-temperature test is carried out on the fuel cell.

Description

Technical Field

[0001] The invention relates to the technical field of fuel cell testing, and in particular to a temperature control furnace for fuel cell testing. Background Art

[0002] A fuel cell is a chemical device that converts the chemical energy of a fuel directly into electrical energy. It is also called an electrochemical generator. It is the fourth power generation technology after hydroelectric power generation, thermal power generation and atomic power generation. Fuel cells need to undergo high-temperature and low-temperature tests before mass production to verify the reliability of the fuel cells. In the prior art, a temperature-controlled furnace is used to perform high-temperature tests on fuel cells.

[0003] Chinese patent application No. 2020105795617 discloses a new temperature-controlled furnace, including a base and an angle adjustment mechanism, wherein a shell is fixed to the upper surface of the base by bolts, and a plurality of telescopic rods are fixed to the bottom inner wall of the shell by bolts, a first spring is sleeved on one side of the telescopic rod, and a mounting plate is fixed to the top of the telescopic rod by bolts, one end of the first spring is fixedly connected to the bottom inner wall of the shell, and the other end of the first spring is fixedly connected to the mounting plate, a first fixing rod is installed on one side of the shell through a bearing, and a rotating frame is fixed to one end of the first fixing rod by bolts.

[0004] When in use, the temperature control furnace can heat the temperature control furnace shell through the heating block and keep the temperature inside the temperature control furnace shell warm through the insulation cotton. However, the temperature control furnace is not convenient for cooling the temperature control furnace shell, and it is difficult to perform low-temperature testing on fuel cells under low-temperature conditions. Therefore, we propose a temperature control furnace for fuel cell testing. Summary of the invention

[0005] The purpose of the present invention is to address the deficiencies in the prior art and to provide a temperature-controlled furnace for testing a fuel cell. The output shaft is driven to rotate by a rotating driving member b, which drives the placement table to rotate, so that the L-shaped ventilation pipe is in contact and connected with the heating wire tube, and low-temperature gas is introduced into the air inlet pipe. The low-temperature gas enters the heating wire tube and cools the fuel cell on the placement table through an arc-shaped closed shell, thereby performing a low-temperature test on the fuel cell.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A temperature control furnace for fuel cell testing, comprising a workbench, a placing table and a fixing frame are installed on the workbench, two arc-shaped closed shells are rotatably arranged on the fixing frame, a rotating shaft is installed on the arc-shaped closed shell, a gear is installed on the rotating shaft, a rotating driving member a is installed on the workbench, and the rotating driving member a drives one of the rotating shafts to rotate; a plurality of electric heating wire tubes are arranged in the arc-shaped closed shell, and two of the gears are meshed with each other;

[0008] A rotary driving member b is installed in the workbench, an output shaft is installed at the output end of the rotary driving member b, a temperature control mechanism is arranged on the output shaft, and a pipeline installation mechanism is arranged on the arc-shaped closed shell.

[0009] The pipeline installation mechanism includes: a mounting groove, a plurality of the mounting grooves are provided on the arc-shaped closed shell; a mounting block, the mounting block is arranged in the mounting groove, and a receiving groove is provided in the mounting block; a pipeline, the pipeline is installed on the mounting block, and a positioning hole is provided in the arc-shaped closed shell; a mounting plate, two of the mounting plates are arranged in the receiving groove; a fixing plate, two of the fixing plates are arranged in the receiving groove; a screw, the screw is threadedly connected to the mounting plate; a rotating rod, the rotating rod is rotatably arranged on the fixing plate, and the screw corresponds to the position of the positioning hole.

[0010] A slot is provided in the screw rod, a block is installed on the rotating rod, and the block is inserted into the slot; a gear b is installed on the rotating rod, a rotating disk is rotatably provided in the mounting block, a gear ring a and a gear ring b are provided on the rotating disk, and the gear ring a is meshed with the gear b; a sealing assembly and an adjusting assembly are provided in the mounting block.

[0011] The adjustment assembly includes: a rotating rod, which is rotatably arranged on the mounting block, a rotating cap a is installed on the top of the rotating rod, and a protrusion is provided on the rotating rod; a moving plate, which is arranged on the outside of the rotating rod; a gear c, which is rotatably installed on the bottom of the moving plate, and the rotating rod passes through the gear c; a screw rod, which is rotatably arranged on the mounting block, a rotating cap b is installed on the screw rod, and the screw rod is threadedly connected to the moving plate; and a limiting arc tooth, which is installed on the moving plate.

[0012] The sealing assembly includes: a compression tank, which is arranged in the mounting block; a piston, which is slidably arranged in the compression tank; an airbag, which is arranged outside the mounting block, and the compression tank and the airbag are connected by a pipeline; a connecting rod, which is rotatably arranged in the mounting block; a gear d, which is mounted on the connecting rod; a worm, which is mounted on the connecting rod; a worm wheel, which is rotatably arranged in the mounting block, and the worm is meshed with the worm wheel; a screw d, which is mounted on the piston and is threadedly connected to the worm wheel.

[0013] The temperature control mechanism includes: L-shaped conductive columns, multiple L-shaped conductive columns are arranged in the placement table; two conductive rings, one of which is connected to a part of the L-shaped conductive columns, and the other is connected to another part of the L-shaped conductive columns; and a wire installed on the conductive ring.

[0014] A plurality of L-shaped ventilation pipes are arranged in the placing table, an air inlet pipe is arranged at the bottom of one part of the L-shaped ventilation pipes, and an exhaust pipe is arranged at the bottom of another part of the L-shaped ventilation pipes; a fixing frame is arranged in the working table, a fixing plate is installed on the fixing frame, the air inlet pipe and the exhaust pipe are connected with the fixing plate, a swinging plate is rotatably arranged on the fixing plate, a turntable is rotatably arranged on the swinging plate, and two cold air pipes and two circulating liquid pipes are arranged on the turntable.

[0015] A rotating driving member d is installed on the swinging disk, a gear is installed on the output end of the rotating driving member d, a gear ring is provided on the outer side of the rotating disk, the gear and the gear ring are meshed with each other, a positioning hole is opened in the fixed disk, a mounting hole is opened in the swinging disk, positioning rods are provided in the mounting hole and the positioning hole, two filters are provided on the rotating disk, and the filters correspond to the positions of the circulating liquid pipe.

[0016] The beneficial effects of the present invention are:

[0017] (1) The present invention drives the output shaft to rotate by rotating the driving member b, thereby driving the placement table to rotate, so that the L-shaped ventilation pipe is in contact with the electric heating wire tube, and low-temperature gas is introduced into the air inlet pipe. The low-temperature gas enters the electric heating wire tube and cools the fuel cell on the placement table through the arc-shaped closed shell, thereby performing a low-temperature test on the fuel cell.

[0018] (2) The present invention drives the output shaft to rotate by rotating the driving member b, thereby driving the placement table to rotate, so that the L-shaped conductive column contacts the electric heating wire tube, one wire is connected to the positive electrode, and the other wire is connected to the negative electrode, the electric heating wire tube is energized and heated, and the fuel cell on the placement table is heated and heated through the arc-shaped closed shell, thereby performing a high-temperature test on the fuel cell.

[0019] (3) The present invention drives the gear to rotate by rotating the driving member d, and drives the turntable to rotate, so that one circulating liquid pipe is connected to the intake pipe, and the other circulating liquid pipe is connected to the exhaust pipe, and the cleaning liquid is discharged through the circulating liquid pipe, the intake pipe, the L-shaped ventilation pipe, the electric heating wire tube, the L-shaped ventilation pipe, the exhaust pipe, and the circulating liquid pipe, so as to clean the electric heating wire tube.

[0020] (4) The present invention uses a flat-blade tool inserted into the rotating cap b to drive the screw to rotate. According to the principle of thread transmission, the gear c is driven to move downward until the gear c is meshed with the gear d. At this time, the limit arc tooth is meshed with the gear ring b to limit the rotation of the driving rotating disk; a flat-blade tool is inserted into the rotating cap a to drive the rotating rod to rotate, and the gear d, the connecting rod, and the worm are driven to rotate through the gear c, which drives the worm wheel to rotate. According to the principle of thread transmission, the screw d and the piston are driven to move, and the gas in the compression tank is squeezed into the airbag. The airbag expands and contacts the inner wall of the mounting groove, thereby achieving sealing between the mounting block and the mounting groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the first overall structure of the present invention;

[0022] Figure 2 It is a schematic diagram of the second overall structure of the present invention;

[0023] Figure 3 This is a schematic diagram of the rotating shaft and gear structure of the present invention;

[0024] Figure 4 This is a schematic diagram of the arc-shaped closed shell structure of the present invention;

[0025] Figure 5 This is a schematic diagram of the structure of the electric heating wire tube of the present invention;

[0026] Figure 6 This is a schematic diagram of the placement table and output shaft structure of the present invention;

[0027] Figure 7 This is a schematic diagram of a first cross-sectional structure of a mounting block of the present invention;

[0028] Figure 8 This is a second cross-sectional structural schematic diagram of the mounting block of the present invention;

[0029] Fig. 9 It is a schematic diagram of the structure of the screw rod and the rotating rod of the present invention;

[0030] Fig.10 This is a third cross-sectional structural schematic diagram of the mounting block of the present invention;

[0031] Fig.11 For the present invention Fig.10 The enlarged schematic diagram at A in the middle;

[0032] Fig.12 This is a schematic diagram of the cross-sectional structure of the compression tank of the present invention;

[0033] Fig.13 It is a schematic diagram of the airbag structure of the present invention;

[0034] Fig.14 This is a schematic diagram of the L-shaped conductive column and L-shaped ventilation pipe structure of the present invention;

[0035] Fig.15 This is a schematic diagram of the fixed plate and the swing plate of the present invention at a first angle;

[0036] Fig.16 This is a second angle schematic diagram of the fixed plate and the swing plate of the present invention.

[0037] The accompanying drawings of the present application are numeraled as follows: 100, workbench; 101, placing table; 102, fixing frame; 103, arc-shaped closed shell; 1031, mounting groove; 104, rotating shaft; 105, gear a; 106, electric heating wire tube; 107, rotating drive member b; 108, output shaft; 2, pipeline installation mechanism; 201, mounting block; 2011, receiving groove; 202, pipeline a; 203, mounting plate; 204, fixing plate; 205, screw a; 2051, clamping groove; 206, rotating rod; 2061, clamping block; 207, gear b; 208, rotating disk; 2081, gear ring a; 2082, gear ring b; 21, sealing assembly; 211, compression tank; 212, piston; 213, airbag; 214, connecting rod; 215, gear d; 216. Worm; 217. Worm wheel; 218. Screw d; 22. Adjustment assembly; 221. Rotating rod; 2211. Rotating cap a; 2212. Bump; 222. Moving plate; 223. Gear c; 224. Screw b; 2241. Rotating cap b; 225. Limiting arc teeth; 3. Temperature control mechanism; 301. L-shaped conductive column; 302. Conductive ring; 303. Wire; 304. L-shaped ventilation pipe; 305. Inlet pipe; 306. Exhaust pipe; 307. Connecting frame; 308. Fixed plate; 3081. Positioning groove; 309. Swinging plate; 3091. Mounting hole; 3101. Filter; 310. Turntable; 311. Cold air pipe; 312. Circulating liquid pipe; 313. Rotating drive member d; 314. Gear e; 315. Gear ring c. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0039] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element 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.

[0040] 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 the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0041] Embodiment 1: Figure 1-Figure 16 As shown, this embodiment provides a temperature control furnace for fuel cell testing, including a workbench 100, on which a placing table 101 and a fixing frame 102 are installed, on which two arc-shaped closed shells 103 are rotatably provided, on which a rotating shaft 104 is installed, on which a gear a105 is installed, and on which a rotating driving member a is installed on the workbench 100, and the rotating driving member a drives one of the rotating shafts 104 to rotate; a plurality of electric heating wire tubes 106 are arranged in the arc-shaped closed shell 103, and two gears a105 are meshed with each other;

[0042] A rotating driving member b107 is installed in the workbench 100 , an output shaft 108 is installed at the output end of the rotating driving member b107 , a temperature control mechanism 3 is provided on the output shaft 108 , and a pipeline installation mechanism 2 is provided on the arc-shaped closed shell 103 .

[0043] In this embodiment, the fuel cell is placed on the placement table 101, and the pipe a202 is inserted into the fuel cell, one pipe a202 is used to introduce hydrogen, one pipe a202 is used to discharge hydrogen, one pipe a202 is used to introduce oxygen, and one pipe a202 is used to discharge oxygen; the rotating drive member a drives the rotating shaft 104 to rotate, driving the two arc-shaped sealing shells 103 to clamp the outside of the placement table 101, and at this time, the two arc-shaped sealing shells 103 seal the dye battery on the placement table 101.

[0044] like Figure 7-Figure 13 As shown, the pipeline installation mechanism 2 includes: a mounting groove 1031, a plurality of mounting grooves 1031 are provided on the arc-shaped closed shell 103; a mounting block 201, the mounting block 201 is arranged in the mounting groove 1031, and a receiving groove 2011 is provided in the mounting block 201; a pipeline a202, the pipeline a202 is installed on the mounting block 201, and a positioning hole is provided in the arc-shaped closed shell 103; a mounting plate 203, two mounting plates 203 are provided in the receiving groove 2011; a fixing plate 204, two fixing plates 204 are provided in the receiving groove 2011; a screw a205, the screw a205 is threadedly connected to the mounting plate 203; a rotating rod 206, the rotating rod 206 is rotatably provided on the fixing plate 204, and the screw a205 corresponds to the position of the positioning hole.

[0045] A slot 2051 is provided in the screw a205, a block 2061 is installed on the rotating rod 206, and the block 2061 is inserted into the slot 2051; a gear b207 is installed on the rotating rod 206, a rotating disk 208 is rotatably provided in the mounting block 201, a gear ring a2081 and a gear ring b2082 are provided on the rotating disk 208, and the gear ring a2081 is meshed with the gear b207; a sealing component 21 and an adjusting component 22 are provided in the mounting block 201.

[0046] The adjusting component 22 includes: a rotating rod 221, which is rotatably arranged on the mounting block 201, a rotating cap a2211 is installed on the top of the rotating rod 221, and a protrusion 2212 is provided on the rotating rod 221; a moving plate 222, which is arranged on the outside of the rotating rod 221; a gear c223, which is rotatably installed on the bottom of the moving plate 222, and the rotating rod 221 passes through the gear c223; a screw b224, which is rotatably arranged on the mounting block 201, a rotating cap b2241 is installed on the screw b224, and the screw b224 is threadedly connected to the moving plate 222; a limiting arc tooth 225, which is installed on the moving plate 222.

[0047] The sealing assembly 21 includes: a compression tank 211, which is arranged in the mounting block 201; a piston 212, which is slidably arranged in the compression tank 211; an airbag 213, which is arranged on the outside of the mounting block 201, and the compression tank 211 and the airbag 213 are connected through a pipeline; a connecting rod 214, which is rotatably arranged in the mounting block 201; a gear d215, which is installed on the connecting rod 214; a worm 216, which is installed on the connecting rod 214; a worm wheel 217, which is rotatably arranged in the mounting block 201, and the worm 216 is meshed with the worm wheel 217; a screw d218, which is installed on the piston 212, and the screw d218 is threadedly connected to the worm wheel 217.

[0048] Working principle: Insert the mounting block 201 into the mounting groove 1031. In the initial state, the gear c223 is meshed with the gear ring b2082. Use a flat-blade cutter to insert into the rotating cap a2211 to drive the rotating rod 221 to rotate. The rotating disk 208 is driven to rotate through the gear c223, and then the gear b207, the rotating rod 206, and the screw a205 are driven to rotate. According to the principle of thread transmission, the screw a205 is driven to move outward and inserted into the positioning hole in the arc-shaped closed shell 103, so that the mounting block 201 is installed in the mounting groove 1031.

[0049] Use a slotted cutter to insert into the rotating cap b2241 to drive the screw b224 to rotate. According to the principle of thread transmission, the gear c223 is driven to move downward until the gear c223 is meshed with the gear d215. At this time, the limit arc tooth 225 is meshed with the gear ring b2082 to limit the rotation of the driving rotating disk 208.

[0050] Use a flat-blade tool to insert into the rotating cap a2211 to drive the rotating rod 221 to rotate, and through the gear c223, drive the gear d215, the connecting rod 214, and the worm 216 to rotate, and drive the worm wheel 217 to rotate. According to the principle of thread transmission, the screw d218 and the piston 212 are driven to move, and the gas in the compression tank 211 is squeezed into the airbag 213. The airbag 213 expands and contacts the inner wall of the mounting groove 1031, thereby realizing the sealing between the mounting block 201 and the mounting groove 1031.

[0051] Embodiment 2: Figure 1-Figure 16 As shown, the components identical or corresponding to those in the first embodiment are marked with the corresponding reference numerals in the first embodiment. For the sake of simplicity, only the differences from the first embodiment are described below. The second embodiment differs from the first embodiment in that:

[0052] The temperature control mechanism 3 in this embodiment includes: L-shaped conductive columns 301, multiple L-shaped conductive columns 301 are arranged in the placement table 101; conductive rings 302, there are two conductive rings 302, one of which is connected to a part of the L-shaped conductive columns 301, and the other is connected to another part of the L-shaped conductive columns 301; wires 303, the wires 303 are installed on the conductive rings 302.

[0053] In this embodiment, the rotating driving member b107 drives the output shaft 108 to rotate, driving the placement table 101 to rotate, so that the L-shaped conductive column 301 contacts the electric heating wire tube 106, one wire 303 is connected to the positive electrode, and the other wire 303 is connected to the negative electrode, the electric heating wire tube 106 is energized and heated, and the fuel cell on the placement table 101 is heated and heated through the arc-shaped closed shell 103, thereby performing a high-temperature test on the fuel cell;

[0054] It should be noted that: the heating wire tube 106 is electrically heated by the wire 303, which is a conventional technical means in the art and will not be described in detail here.

[0055] A plurality of L-shaped ventilation pipes 304 are provided in the placement table 101, an air inlet pipe 305 is provided at the bottom of one part of the L-shaped ventilation pipes 304, and an exhaust pipe 306 is provided at the bottom of another part of the L-shaped ventilation pipes 304; a fixed frame 307 is provided in the workbench 100, a fixed plate 308 is installed on the fixed frame 307, the air inlet pipe 305 and the exhaust pipe 306 are connected to the fixed plate 308, a swing plate 309 is rotatably provided on the fixed plate 308, a turntable 310 is rotatably provided on the swing plate 309, and two cold air pipes 311 and two circulating liquid pipes 312 are provided on the turntable 310.

[0056] In this embodiment, the rotating driving member b107 drives the output shaft 108 to rotate, driving the placement table 101 to rotate, so that the L-shaped ventilation pipe 304 is in contact with the electric heating wire tube 106, and low-temperature gas is introduced into the air inlet pipe 305. The low-temperature gas enters the electric heating wire tube 106 and cools the fuel cell on the placement table 101 through the arc-shaped closed shell 103, thereby performing a low-temperature test on the fuel cell;

[0057] A rotating driving member d313 is installed on the swing plate 309, and a gear e314 is installed on the output end of the rotating driving member d313. A gear ring c315 is provided on the outer side of the rotating plate 310, and the gear e314 and the gear ring c315 are meshed with each other.

[0058] A positioning groove 3081 is provided in the fixed disk 308 , a mounting hole 3091 is provided in the swing disk 309 , positioning rods are provided in the mounting hole 3091 and the positioning groove 3081 , and two filters 3101 are provided on the rotating disk 310 , and the positions of the filters 3101 and the circulating liquid pipe 312 correspond.

[0059] In this embodiment, in the initial state, the positioning rod is inserted into the mounting hole 3091 and the positioning groove 3081. At this time, one cold air pipe 311 is connected to the air inlet pipe 305, and the other cold air pipe 311 is connected to the exhaust pipe 306. The cold air pipe 311 is passed into and discharged from the low-temperature gas. This is a conventional technical means in the art and will not be described in detail here.

[0060] The rotating driving member d313 drives the gear e314 to rotate, and drives the turntable 310 to rotate, so that one circulating liquid pipe 312 is connected with the air inlet pipe 305, and the other circulating liquid pipe 312 is connected with the exhaust pipe 306, and the cleaning liquid is discharged through the circulating liquid pipe 312, the air inlet pipe 305, the L-shaped vent pipe 304, the electric heating wire tube 106, the L-shaped vent pipe 304, the exhaust pipe 306, and the circulating liquid pipe 312, so as to clean the electric heating wire tube 106;

[0061] It should be noted that: introducing cleaning liquid into the circulating liquid pipe 312 is a conventional technical means in the art and will not be described in detail here. The cleaning liquid is preferably a mixture of liquid and metal chips. The flow of the cleaning liquid rubs and cleans the inner wall of the heating wire tube 106.

[0062] Working steps

[0063] Step 1, placement process: placing the fuel cell on the placement table 101, inserting the pipe a202 on the fuel cell, wherein one pipe a202 introduces hydrogen, one pipe a202 discharges hydrogen, one pipe a202 introduces oxygen, and one pipe a202 discharges oxygen; the rotating drive member a drives the rotating shaft 104 to rotate, driving the two arc-shaped sealing shells 103 to clamp the outside of the placement table 101, and at this time, the two arc-shaped sealing shells 103 seal the dye battery on the placement table 101;

[0064] Step 2, high temperature test process: the rotating driving member b107 drives the output shaft 108 to rotate, driving the placement table 101 to rotate, so that the L-shaped conductive column 301 contacts the electric heating wire tube 106, one wire 303 is connected to the positive electrode, and the other wire 303 is connected to the negative electrode, the electric heating wire tube 106 is energized and heated, and the fuel cell on the placement table 101 is heated and heated through the arc-shaped closed shell 103, and then the fuel cell is subjected to a high temperature test;

[0065] Step 3, low temperature test process: the rotating driving member b107 drives the output shaft 108 to rotate, driving the placement table 101 to rotate, so that the L-shaped ventilation pipe 304 is in contact with the electric heating wire tube 106, and low temperature gas is introduced into the air inlet pipe 305. The low temperature gas enters the electric heating wire tube 106 and cools the fuel cell on the placement table 101 through the arc-shaped closed shell 103, thereby performing a low temperature test on the fuel cell;

[0066] Step 4, cleaning process: the rotating driving member d313 drives the gear e314 to rotate, and drives the turntable 310 to rotate, so that one circulating liquid pipe 312 is connected with the air inlet pipe 305, and the other circulating liquid pipe 312 is connected with the exhaust pipe 306, and the cleaning liquid is discharged through the circulating liquid pipe 312, the air inlet pipe 305, the L-shaped ventilation pipe 304, the heating wire tube 106, the L-shaped ventilation pipe 304, the exhaust pipe 306, and the circulating liquid pipe 312 to clean the heating wire tube 106.

[0067] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A temperature-controlled furnace for testing a fuel cell, comprising a workbench (100), characterized in that: The workbench (100) is provided with a placing table (101) and a fixing frame (102); two arc-shaped closed shells (103) are rotatably provided on the fixing frame (102); a rotating shaft (104) is provided on the arc-shaped closed shell (103); a gear a (105) is provided on the rotating shaft (104); and the two gears a (105) are meshed with each other; A rotating driving member a is installed on the workbench (100), and the rotating driving member a drives one of the rotating shafts (104) to rotate; a plurality of electric heating wire tubes (106) are arranged in the arc-shaped closed shell (103); A rotary drive member b (107) is installed in the workbench (100), an output shaft (108) is installed at the output end of the rotary drive member b (107), and a temperature control mechanism (3) is provided on the output shaft (108); and a pipeline installation mechanism (2) is provided on the arc-shaped closed shell (103).

2. A temperature-controlled furnace for fuel cell testing according to claim 1, characterized in that: The pipeline installation mechanism (2) comprises: Installation grooves (1031), a plurality of the installation grooves (1031) are provided in the arc-shaped closed shell (103) superior; A mounting block (201), the mounting block (201) being arranged in the mounting groove (1031), and a receiving groove (2011) being provided in the mounting block (201); A pipe a (202), the pipe a (202) being installed on the installation block (201), and a positioning hole being provided in the arc-shaped sealing shell (103); A mounting plate (203), wherein two mounting plates (203) are disposed in the receiving groove (2011); A fixing plate (204), wherein two fixing plates (204) are arranged in the containing groove (2011); A screw rod a (205), wherein the screw rod a (205) is threadedly connected to the mounting plate (203); A rotating rod (206) is rotatably disposed on the fixed plate (204), and the screw rod a (205) corresponds to the position of the positioning hole.

3. A temperature-controlled furnace for fuel cell testing according to claim 2, characterized in that: The screw rod a (205) is provided with a slot (2051), and a block (2061) is installed on the rotating rod (206), and the block (2061) is inserted into the slot (2051); A gear b (207) is mounted on the rotating rod (206); a rotating disk (208) is rotatably mounted in the mounting block (201); a gear ring a (2081) and a gear ring b (2082) are mounted on the rotating disk (208); and the gear ring a (2081) is meshed with the gear b (207); A sealing component (21) and an adjusting component (22) are provided in the mounting block (201).

4. A temperature-controlled furnace for fuel cell testing according to claim 3, characterized in that: The adjustment component (22) comprises: A rotating rod (221), the rotating rod (221) is rotatably mounted on the mounting block (201), a rotating cap a (2211) is mounted on the top of the rotating rod (221), and a protrusion (2212) is provided on the rotating rod (221); A moving plate (222), wherein the moving plate (222) is arranged outside the rotating rod (221); A gear c (223), the gear c (223) is rotatably mounted on the bottom of the moving plate (222), and the rotating rod (221) passes through the gear c (223); a screw rod b (224), the screw rod b (224) being rotatably mounted on the mounting block (201), a rotating cap b (2241) being mounted on the screw rod b (224), and the screw rod b (224) being threadedly connected to the moving plate (222); A limiting arc-shaped tooth (225), wherein the limiting arc-shaped tooth (225) is mounted on the moving plate (222).

5. A temperature-controlled furnace for fuel cell testing according to claim 4, characterized in that: The sealing assembly (21) comprises: A compression tank (211), wherein the compression tank (211) is arranged in the mounting block (201); A piston (212), the piston (212) being slidably disposed in the compression tank (211); An air bag (213), wherein the air bag (213) is arranged outside the mounting block (201), and the compression tank (211) and the air bag (213) are connected via a pipeline; A connecting rod (214), the connecting rod (214) being rotatably disposed in the mounting block (201); A gear d (215), the gear d (215) being mounted on the connecting rod (214); A worm (216), wherein the worm (216) is mounted on the connecting rod (214); A worm wheel (217), the worm wheel (217) is rotatably disposed in the mounting block (201), and the worm (216) is meshed with the worm wheel (217); A screw rod d (218), wherein the screw rod d (218) is mounted on the piston (212), and the screw rod d (218) is threadedly connected to the worm gear (217).

6. A temperature-controlled furnace for fuel cell testing according to claim 5, characterized in that: The temperature control mechanism (3) comprises: L-shaped conductive pillars (301), a plurality of L-shaped conductive pillars (301) are arranged in the placement platform (101); Conductive rings (302), wherein there are two conductive rings (302), one of which is connected to a portion of the L-shaped conductive pillars (301), and the other is connected to another portion of the L-shaped conductive pillars (301); A conductive wire (303), wherein the conductive wire (303) is installed on the conductive ring (302).

7. A temperature-controlled furnace for fuel cell testing according to claim 6, characterized in that: The placement platform (101) is provided with a plurality of L-shaped ventilation pipes (304), the bottom of a portion of the L-shaped ventilation pipes (304) is provided with an air inlet pipe (305), and the bottom of another portion of the L-shaped ventilation pipes (304) is provided with an exhaust pipe (306); A fixed frame (307) is provided inside the workbench (100), a fixed disk (308) is installed on the fixed frame (307), the air intake pipe (305) and the exhaust pipe (306) are connected to the fixed disk (308), a swing disk (309) is rotatably provided on the fixed disk (308), a rotating disk (310) is rotatably provided on the swing disk (309), and two cold air pipes (311) and two circulating liquid pipes (312) are provided on the rotating disk (310).

8. A temperature-controlled furnace for fuel cell testing according to claim 7, characterized in that: A rotating drive member d (313) is installed on the swing plate (309), a gear e (314) is installed on the output end of the rotating drive member d (313), a gear ring c (315) is provided on the outer side of the rotating plate (310), and the gear e (314) and the gear ring c (315) are meshed with each other.

9. A temperature-controlled furnace for fuel cell testing according to claim 8, characterized in that: A positioning groove (3081) is provided in the fixed plate (308), a mounting hole (3091) is provided in the swing plate (309), and positioning rods are provided in the mounting hole (3091) and the positioning groove (3081).

10. A temperature-controlled furnace for fuel cell testing according to claim 9, characterized in that: The rotating disk (310) is provided with two filter screens (3101), and the positions of the filter screens (3101) and the circulating liquid pipes (312) correspond to each other.

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