Anti-vibration SOFC (Solid Oxide Fuel Cell) electric pile structure
The vibration-resistant design, which combines multi-layer support frames and dampers, solves the problem of SOFC stacks being easily damaged in vibration environments, achieving effective vibration protection and convenient stack inspection.
Patent Information
- Application Number
- CN202520372154.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-05
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-05
AI Technical Summary
Existing SOFC stacks are susceptible to damage in vibration environments, and a single vibration protection component cannot effectively protect them, resulting in a reduced service life.
The system employs a multi-layer support frame structure combined with dampers, utilizing bidirectional threaded rods and torsion rods to achieve clamping and fixing of the enclosure. It also incorporates elastic plates and telescopic elastic blocks to provide multi-layer buffering, and the enclosure door design facilitates inspection and replacement of the fuel cell stack.
This improves the vibration resistance of the SOFC stack, enhances the practicality and safety of the device, and extends its service life.
Smart Images
Figure CN223956587U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of SOFC (Solid Oxide Fuel Cell) stacks, in particular to a vibration-proof SOFC stack structure. BACKGROUND
[0002] A high-temperature solid oxide fuel cell (SOFC) is a new type of power generation device, which has the characteristics of high efficiency, no pollution, full solid-state structure and wide adaptability to various fuel gases, and is suitable for distributed, mobile power supply, auxiliary power supply and the like, and has a wide application prospect in the entire power generation field.
[0003] At present, in the actual application of the SOFC stack, it is in a relatively unstable environment, and in the vibration process, the reaction in the stack is affected to different degrees, and even damage caused by vibration occurs, so that the service life is greatly reduced. If a single vibration-proof component is used for vibration prevention, the damage caused by long-time vibration cannot be prevented, and the damping and buffering effect is not obvious. Therefore, a high-efficiency vibration-proof device is urgently needed to solve the problems in actual application. In order to solve this problem, the utility model makes technical innovation on the basis of the existing device. UTILITY MODEL CONTENTS
[0004] In order to improve the problem of vibration, the application provides a vibration-proof SOFC stack structure.
[0005] The vibration-proof SOFC stack structure provided by the application adopts the following technical scheme:
[0006] A vibration-proof SOFC stack structure, comprising a box body, a first U-shaped support frame is arranged on the outer side of the box body, four first limiting sliding grooves are formed in the inside of the first U-shaped support frame, a damper is fixedly connected to the bottom wall of each of the four first limiting sliding grooves, a supporting sliding plate is fixedly connected to the upper side of the damper, the supporting sliding plate is slidingly connected to the inner wall of the first limiting sliding groove, a second U-shaped support frame is fixedly connected to the surface of one side of the supporting sliding plate away from the first limiting sliding groove, two symmetrical rubber protective plates are fixedly connected to the surface of one side of each of the two vertical plates of the second U-shaped support frame, a supporting block is fixedly connected to the bottom of the second U-shaped support frame, a bidirectional threaded rod is rotatably connected to the inside of the supporting block, two symmetrical supporting plates are threadedly connected to the opposite threads of the two sections of the bidirectional threaded rod, a clamping plate is fixedly connected to the surface of one side of each of the two supporting plates, two symmetrical second limiting grooves are formed in the surface of the second U-shaped support frame, the supporting plates are slidingly connected to the inside of the second limiting grooves, a twisting rod is fixedly connected to the front end surface of the bidirectional threaded rod, and a limiting groove is formed in the inside of the first U-shaped support frame.
[0007] Preferably, rotating limiting sleeves are rotationally connected to the two sides of the supporting block, and the interiors of the rotating limiting sleeves are fixedly sleeved on the surface of the bidirectional threaded rod.
[0008] Preferably, an elastic plate is fixedly connected to the interior of the box body, an upper surface of the elastic plate is fixedly connected with a fixed box, a SOFC stack is slidably connected to the interior of the fixed box, and a sealing ring is sleeved on the surface of the SOFC stack.
[0009] Preferably, three air tubes are fixedly connected to the upper surface of the fixed box, the surfaces of the three air tubes are slidably connected with the interior of the box body, the upper surfaces of the air tubes slidably penetrate through the upper surface of the box body, and the interiors of the air tubes are in communication with the interior of the fixed box.
[0010] Preferably, two symmetrical elastic blocks are fixedly connected to the upper surface of the fixed box, a sliding groove is formed in the interior of each of the two elastic blocks, the upper side of the sliding groove extends out of the upper surface of the elastic block, a supporting sliding block is slidably connected to the interior of the sliding groove, and the upper surface of the supporting sliding block is fixedly connected with the inner wall of the box body.
[0011] Preferably, a spring is fixedly connected between the lower surface of the supporting sliding block and the sliding groove.
[0012] Preferably, a box door is rotationally connected to one side of the box body.
[0013] In summary, the present application has at least one of the following beneficial technical effects:
[0014] 1. The torsion rod is used to control the rotation of the bidirectional threaded rod, further realizing the clamping of the box body, further realizing the protection of the box body, and the damping block is arranged to support the equipment, realizing the buffering of the device when facing vibration, and the elastic plate and the elastic block are arranged on the two sides of the fixed box, realizing the secondary buffering of the SOFC stack, and greatly improving the anti-vibration performance of the device.
[0015] 2. The box door is arranged, the opening and closing of the box door is controlled, the SOFC stack inside can be taken out for inspection and troubleshooting, and timely replacement can be realized, and the sealing and protection of the device can also be realized, greatly improving the practicality and safety of the device. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a vibration-proof SOFC stack structure schematic diagram of the present application;
[0017] Figure 2 It is a clamping plate schematic diagram of the present application;
[0018] Figure 3 It is a bidirectional threaded rod schematic diagram of the present application;
[0019] Figure 4 The fixed box of the present application is shown in the figure;
[0020] Figure 5 The telescopic elastic block of the present application is shown in the figure.
[0021] Fig. 1, box; 2, first U-shaped support frame; 3, damper; 4, support sliding plate; 5, first limiting sliding groove; 6, second U-shaped support frame; 7, limiting groove; 8, twisting rod; 9, bidirectional threaded rod; 10, support plate; 11, clamping plate; 12, rubber guard plate; 13, second limiting groove; 14, support block; 15, rotating limiting sleeve; 16, SOFC stack; 17, elastic plate; 18, box door; 19, fixed box; 20, telescopic elastic block; 21, support sliding block; 22, spring; 23, sliding groove; 24, sealing ring; 25, air pipe. DETAILED DESCRIPTION
[0022] The following will be described in detail in combination with the Figures 1-5 The present application will be further described in detail.
[0023] The embodiment of the present application discloses a vibration-proof SOFC stack structure.
[0024] Refer to Figure 1 A vibration-proof SOFC stack structure comprises a box 1, the outer side of the box 1 is provided with a first U-shaped support frame 2 for support, the inside of the first U-shaped support frame 2 is provided with four first limiting sliding grooves 5 for limiting support, the bottom wall of each of the four first limiting sliding grooves 5 is fixedly connected with a damper 3 for shock absorption support, the upper side of the damper 3 is fixedly connected with a support sliding plate 4 for support, the support sliding plate 4 is slidingly connected to the inner wall of the first limiting sliding groove 5, the side surface of the support sliding plate 4 away from the first limiting sliding groove 5 is fixedly connected with a second U-shaped support frame 6 for support, the side surface of each of the two vertical plates of the second U-shaped support frame 6 is fixedly connected with a rubber guard plate 12 for buffering and limiting, the bottom of the second U-shaped support frame 6 is fixedly connected with a support block 14 for support and limiting, the inside of the support block 14 is rotatably connected with a bidirectional threaded rod 9 for transmitting rotation, the two sides of the support block 14 are rotatably connected with a rotating limiting sleeve 15 for limiting, and the inside of the rotating limiting sleeve 15 is fixedly sleeved on the surface of the bidirectional threaded rod 9.
[0025] The two opposite threads of the two-way threaded rod 9 are threadedly connected with two symmetrical support plates 10 for supporting, the side surfaces of the two support plates 10 close to each other are fixedly connected with clamping plates 11 for clamping, the side surfaces of the two clamping plates 11 close to each other are provided with rubber pads, which can prevent the box 1 from sliding and provide elastic support, the surface of the second U-shaped support frame 6 is provided with two symmetrical second limiting grooves 13 for limiting, the support plates 10 are slidingly connected in the second limiting grooves 13, the front end of the two-way threaded rod 9 is fixedly connected with a twisting rod 8 for transmission, the twisting rod 8 is outside the support plates 10, the first U-shaped support frame 2 is provided with a limiting groove 7 in the inside, the limiting groove 7 can provide a safe elastic displacement distance for the two-way threaded rod 9, when it is necessary to place the box 1 and protect and dampen the box 1, the staff first twists the twisting rod 8, the twisting rod 8 drives the two-way threaded rod 9 to rotate, because the movement track of the support plates 10 is limited by the second limiting grooves 13, when the two-way threaded rod 9 rotates, it will drive the two support plates 10 to move in opposite directions, further driving the clamping plates 11 to move to both sides, so that the distance between the two clamping plates 11 is sufficient, then the staff places the box 1 on the surface of the second U-shaped support frame 6, the rubber guards 12 on both sides can limit and protect the box 1, then the staff reverses the twisting rod 8, the twisting rod 8 drives the two-way threaded rod 9 to rotate in the opposite direction, further driving the two clamping plates 11 to move to the middle through the two support plates 10, clamping the box 1, achieving the fixation of the box 1, and the second U-shaped support frame 6 and the first U-shaped support frame 2 on both sides can double-protect the box 1, when the device vibrates, the four corner dampers 3 can further support the second U-shaped support frame 6 through the support slides 4, and can buffer the box 1 on the second U-shaped support frame 6, because the dampers 3 have good anti-vibration effect, they can better protect the box 1 from vibration.
[0026] The inside of the box body 1 is fixedly connected with an elastic plate 17 for buffering and damping, the upper surface of the elastic plate 17 is fixedly connected with a fixed box 19 for loading, the inside of the fixed box 19 is slidably connected with a SOFC stack 16, the upper and lower surfaces of the SOFC stack 16 are tightly attached to the inner wall of the fixed box 19, the surface of the SOFC stack 16 is sleeved with a sealing ring 24 for sealing, the upper surface of the fixed box 19 is fixedly connected with three air pipes 25, the three air pipes 25 are respectively an anode gas inlet hole, a cathode gas inlet hole and an exhaust hole, the upper side surface of the air pipe 25 slidably penetrates the upper side surface of the box body 1, the inside of the air pipe 25 is in communication with the inside of the fixed box 19, the upper surface of the fixed box 19 is fixedly connected with two symmetrical elastic expansion blocks 20, the inside of the two elastic expansion blocks 20 is provided with a sliding groove 23 for limiting sliding, the upper side of the sliding groove 23 extends out of the upper side surface of the elastic expansion block 20, the inside of the sliding groove 23 is slidably connected with a supporting sliding block 21 for supporting, the lower side surface of the supporting sliding block 21 and the sliding groove 23 are fixedly connected with a spring 22 for resetting and damping, the upper surface of the supporting sliding block 21 is fixedly connected with the inner wall of the box body 1, one side of the box body 1 is rotatably connected with a box door 18, the box door 18 can be fixed by screws to realize the closure of the box body 1, when the staff needs to take out the SOFC stack 16 for inspection, first of all, the screws are removed from the fixation of the box door 18, then the box door 18 is opened, the SOFC stack 16 is taken out for inspection, after the inspection is completed, the SOFC stack 16 is put back into the inside of the fixed box 19, the holes on the SOFC stack 16 are automatically aligned with and tightly attached to the holes of the air pipe 25, which is convenient for gas exchange, when the box body 1 vibrates, the elastic plate 17 at the bottom of the fixed box 19 can support and buffer the fixed box 19, greatly buffering the vibration brought to the SOFC stack 16, at the same time, the elastic expansion of the elastic expansion block 20 can protect the stability of the fixed box 19, so that the SOFC stack 16 is in a relatively stable environment.
[0027] The implementation principle of the anti-vibration SOFC stack structure embodiment of the application is as follows: when the box 1 needs to be placed and protected and damped, the worker first twists the twisting rod 8, the twisting rod 8 drives the bidirectional threaded rod 9 to rotate, because the movement track of the support plate 10 is limited by the second limiting groove 13, so when the bidirectional threaded rod 9 rotates, the two support plates 10 are driven to move in opposite directions, further driving the clamping plates 11 to move to both sides, so that the distance between the two clamping plates 11 is kept enough, then the worker places the box 1 on the surface of the second U-shaped support frame 6, the rubber guard plates 12 on both sides can limit and protect the box 1, then the worker reverses the twisting rod 8, the twisting rod 8 drives the bidirectional threaded rod 9 to rotate reversely, further driving the two clamping plates 11 to move to the middle through the two support plates 10, clamping the box 1, achieving the fixation of the box 1, when the device vibrates, the four corner dampers 3 can further support the second U-shaped support frame 6 through the support sliding plate 4, and can buffer the box 1 on the second U-shaped support frame 6, when the worker needs to take out and check the SOFC stack 16, first cancel the fixation of the box door 18 by the screw, then open the box door 18, take out the SOFC stack 16 for checking, after checking, put the SOFC stack 16 back into the fixed box 19, when the box 1 vibrates, the elastic plate 17 at the bottom of the fixed box 19 can support and buffer the fixed box 19, greatly buffering the vibration brought to the SOFC stack 16, and the elastic expansion of the telescopic elastic block 20 can protect the stability of the fixed box 19, so that the SOFC stack 16 is in a relatively stable environment.
[0028] The above is only an optional embodiment of the present disclosure, and is not used to limit the present disclosure. For those skilled in the art, the present disclosure can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present disclosure shall be included in the protection scope of the present disclosure.
Claims
1. A vibration-isolated SOFC stack structure, characterized by: The utility model provides box (1), the outside of box (1) is provided with first U type support frame (2), the inside of first U type support frame (2) is opened with four first limit sliding slot (5), the bottom wall of four first limit sliding slot (5) is all fixedly connected with damper (3), the upside of damper (3) is fixedly connected with support slide plate (4), support slide plate (4) is connected in the inner wall of first limit sliding slot (5) slidingly, the side surface of support slide plate (4) away from first limit sliding slot (5) is fixedly connected with second U type support frame (6), the side surface of two vertical boards of second U type support frame (6) is close and is all fixedly connected with two symmetrical rubber guard board (12), the bottom of second U type support frame (6) is fixedly connected with support block (14), the inside of support block (14) is rotatably connected with two -way screw rod (9), the two -way screw rod (9) is screw connected with two symmetrical support plate (10) at two opposite threads, the side surface of two support plate (10) is close and is all fixedly connected with clamping plate (11), the surface of second U type support frame (6) is opened with two symmetrical second limit slot (13), support plate (10) is connected in the inside of second limit slot (13) slidingly, the front end surface of two -way screw rod (9) is fixedly connected with torsion bar (8), the inside of first U type support frame (2) is opened with limit slot (7).
2. A vibration isolation SOFC stack structure according to claim 1, characterized in that: Rotary limit sleeve (15) is rotatably connected on the both sides of support block (14), and rotary limit sleeve (15) is fixedly sleeved on the surface of two -way screw rod (9) in the inside.
3. A vibration isolation SOFC stack structure according to claim 1, wherein: The inside of box (1) is fixedly connected with elastic plate (17), the upper surface of elastic plate (17) is fixedly connected with fixed box (19), the inside of fixed box (19) is slidably connected with SOFC electric pile (16), the surface of SOFC electric pile (16) is sleeved with sealing ring (24).
4. A vibration isolation SOFC stack structure according to claim 3, wherein: The upper surface of fixed box (19) is fixedly connected with three air pipes (25), the surface of three air pipes (25) is slidably connected with the inside of box (1), the upper side surface of air pipe (25) slidably penetrates the upper side surface of box (1), and the inside of air pipe (25) is communicated with the inside of fixed box (19).
5. A vibration isolation SOFC stack structure according to claim 3, wherein: The upper surface of fixed box (19) is fixedly connected with two symmetrical telescopic elastic blocks (20), the inside of two telescopic elastic blocks (20) is all opened with sliding slot (23), the upper side of sliding slot (23) extends the upper side surface of telescopic elastic block (20), and the inside of sliding slot (23) is slidably connected with support sliding block (21), and the upper surface of support sliding block (21) is fixedly connected with the inner wall of box (1).
6. A vibration isolation SOFC stack structure according to claim 5, wherein: Spring (22) is fixedly connected between the lower side surface of support sliding block (21) and sliding slot (23).
7. The vibration isolation SOFC stack structure of claim 1, wherein: The side of box (1) is rotatably connected with box door (18).