CN214477580U - Thermal pressurizing device of solid oxide fuel cell stack - Google Patents
Thermal pressurizing device of solid oxide fuel cell stack Download PDFInfo
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- CN214477580U CN214477580U CN202120626846.1U CN202120626846U CN214477580U CN 214477580 U CN214477580 U CN 214477580U CN 202120626846 U CN202120626846 U CN 202120626846U CN 214477580 U CN214477580 U CN 214477580U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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Abstract
The utility model discloses a hot pressing device of a solid oxide fuel cell stack, which comprises a fixed base, a heating base, a left split heating furnace, a right split heating furnace, a pressing device and a pressure supporting device, wherein the heating base is positioned on the fixed base, the left split heating furnace and the right split heating furnace are relatively positioned on two sides of the heating base, the pressing device comprises a pressing screw rod and a pressing column, the pressure supporting device comprises a top frame and a top plate, the top frame is in a frame type, the fixed base is positioned in a frame of the top frame, a sliding plate is arranged on a frame rod at the top of the top frame, and the relative frame rod slides towards the left split heating furnace and the right split heating furnace, compared with the patent document 1, the hot pressing device replaces a cylinder body to support the pressing device by the top frame, the electric stack is conveniently placed on two sides of the top frame in a rectangular frame type, in addition, a sliding plate is arranged on the top frame, the sliding plate is used as a carrier to support the pressing device, an air pipe is arranged above the electric stack, the phenomenon that the electric stack is influenced by adjusting the position of the pressing device can be avoided, the convenience is improved.
Description
Technical Field
The utility model relates to a battery correlation device technical field, concretely relates to hot pressure device of solid oxide fuel cell stack.
Background
At present, a core component of a planar solid oxide fuel cell system is a cell stack, which is a stacked structure formed of a plurality of solid oxide fuel cell units. Maintaining the stability of the cell stack during the production of the stack is critical to determining whether the entire solid oxide fuel cell system can operate properly. Factors that generally affect the stability of the stack include the uniformity of the stacking of the battery cells, the sealability of the stack, and the like.
In the existing cell stack production technology, the height of the cell stack can change in the production and test processes of the cell stack, the cell stack production device needs to adjust the pressure according to the temperature change in time, otherwise, the lateral deviation of the cell stack can be caused, so that the defects of uneven cell stack, poor sealing performance and the like of the cell stack are caused, the firing success rate of the cell stack is finally low, the performance of the cell stack is reduced, and the service life is shortened or even scrapped.
In contrast, patent document 1 proposes a solid cell stack production apparatus in which a pressurizing device is supported by a column on a fixed base, and both sides of the column are left and right parts of a heating furnace, referring to fig. 1.
Patent document 1: a solid oxide fuel cell stack production and testing apparatus, entitled bulletin number: CN103441296B
SUMMERY OF THE UTILITY MODEL
In order to solve at least one technical defect, the utility model provides a following technical scheme:
the application document provides a hot pressurizing device of a solid oxide fuel cell stack, which comprises a fixed base, a heating base, a left split heating furnace, a right split heating furnace, a pressurizing device and a pressure supporting device, wherein the heating base is positioned on the fixed base, the left split heating furnace and the right split heating furnace are relatively positioned on two sides of the heating base, the pressurizing device comprises a pressurizing screw rod and a pressurizing column, the pressure supporting device comprises a top frame and a top plate, the top frame is of a frame type, and the fixed base is positioned in the frame of the top frame, a sliding plate is arranged on a frame rod at the top of the top frame and slides towards the left and right split bodies of the heating furnace relative to the frame rod, a top plate is arranged on the top surface of the sliding plate, a hole is formed in the top plate, a pressurizing column is elastically connected in the hole, a pressurizing screw rod is positioned above the pressurizing column, the pressurizing screw rod is driven to press down the pressurizing column to enable the pressurizing column to extend out from the bottom of the sliding plate to pressurize a battery stack below, the pressurizing screw rod moves upwards, and the pressurizing column resets under the action of elasticity.
Compared with the patent document 1, the hot pressurizing device has the advantages that the top frame replaces a column to support the pressurizing device, the two sides of the rectangular frame type top frame are convenient to place in the galvanic pile, the two sides of the rectangular frame type top frame are convenient to move in a split mode, in addition, the sliding plate is installed on the top frame and is used as a carrier to support the pressurizing device, the pressurizing device can move towards the split position, the air pipe is installed above the galvanic pile, the position of the pressurizing device can be adjusted, the phenomenon that the position of the pressurizing device influences the placement of the galvanic pile can be avoided, and the convenience is improved.
Further, the roof includes first roof, second roof and pressurization stand, and the pressurization stand is located between first roof, the second roof and fixes the three as an organic whole, and the trompil sets up the pressurization screw rod on the second roof, trompil and elastic connection pressurization post on the first roof, stable in structure, convenient to use.
The automatic pressure regulating device further comprises a driving motor and a guide mechanism, an output shaft of the driving motor is connected with the pressure screw, the guide mechanism comprises a positioning plate and a guide plate, the guide plate is relatively fixed on the top surface of the second top plate on two sides of the driving motor and is provided with a groove, the positioning plate is relatively fixed on two sides of the driving motor and extends into the groove of the guide plate, and the driving motor is started and synchronously moves downwards along with the pressure screw to be driven by the motor and quickly regulated.
Further, still include the hand wheel, fix on the pressure screw rod tip that stretches out from second roof top surface, manual regulation, it is practical, with low costs.
Further, a spring bush is provided in the first top plate hole, and the pressurizing column is elastically connected by the spring bush, and the spring bush structure described in patent document 1 is adopted.
Furthermore, sliding connection is formed between the two ends of the sliding plate and the corresponding top frame rods through the sliding blocks and the guide rails, and the sliding plate is practical and stable.
Furthermore, the pressure supporting device also comprises a bottom frame, the top frame is arranged in the middle of the top surface of the bottom frame, the top frame is of a rectangular frame shape, a fixed base is arranged on the bottom frame in the frame, and the left and right split bodies of the heating furnace are respectively positioned on the bottom frames on the two sides of the fixed base.
In this scheme, increase chassis structure, integration heating furnace and pressure device facilitate the use.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the structure of the heat pressurizing device is improved, and the use convenience is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a structural view of the apparatus in patent document 1;
FIG. 2 is a front view of the heat pressing apparatus;
FIG. 3 is a top view of the heat pressing apparatus;
wherein the reference numerals are:
in the figure: 1. a fixed base; 2. heating the base; 3. heating furnace; 5. a cell stack; 10. a first top plate; 14. pressurizing the upright post; 15. a pressurizing column; 18. a second top plate; 19. a pressurizing screw; 21. a drive motor; 22. positioning a plate; 23. a guide plate; 100. a chassis; 200. a top frame; 300. a hand wheel; 301. a left furnace body; 302. a right furnace body; 400. a slide plate; 500. a slider; 600. a guide rail.
Detailed Description
The invention will be further explained with reference to the drawings and the specific embodiments.
Example 1
The present embodiment specifically describes a thermal pressurizing device for a solid oxide fuel cell stack, which is obtained by improvement based on patent document 1, as shown in fig. 2 and fig. 3, and includes a fixing base 1, a heating base 2, a left-right split heating furnace 3, a pressurizing device and a pressure supporting device, in the present embodiment, the pressurizing device includes a pressurizing screw 19 and a pressurizing column 15, the pressure supporting device includes a top frame, a bottom frame and a top plate, the bottom frame 100 is used as a carrier, the top frame 200 is fixed at the middle part of the top surface of the bottom frame, and is of a rectangular frame shape, and is formed by welding or bolting a plurality of frame rods, the fixing base is installed on the bottom frame in the top frame, the heating base is installed on the fixing base to be matched with the heating furnace, the heating furnace is split, and the left-right split heating furnace is provided, that is, i.e., a left furnace body 301 and a right furnace body 302 are respectively located on the bottom frames at the left and right sides of the heating base, and are combined or separated according to requirements.
A sliding plate 400 is mounted on the top frame rod of the top frame, and is slidably connected, such as by using a commonly used sliding block 500 and a guide rail 600 to form a sliding fit, as shown in fig. 2, under the sliding fit, the sliding plate slides towards the left and right parts of the heating furnace separately relative to the frame rods, and two upright posts are fixed on the top surface of the sliding plate to support a top plate, as shown in fig. 3, holes are formed on the top plate and are elastically connected with a pressurizing column, specifically, as a spring sleeve and top plate structure disclosed in patent document 1, the top plate comprises a first top plate 10, a second top plate 18 and a pressurizing upright post 14, the pressurizing upright post is positioned between the first top plate and the second top plate to fix the three into a whole, a pressurizing screw rod is connected with the hole formed on the second top plate, the hole formed on the first top plate is provided with a spring sleeve to elastically connect with the pressurizing column, the upright post is fixed with the first top plate, the pressurizing screw rod is positioned above the pressurizing column, namely, the hole formed on the first top plate is connected with the pressurizing screw rod, if the battery is driven by a driving motor, as described in patent document 1, a guide mechanism is mounted on the second top plate, and includes a positioning plate and a guide plate, the guide plate is relatively fixed on the top surface of the second top plate at both sides of the driving motor 21, and the guide plate is provided with a groove, the positioning plate 22 is relatively fixed at both sides of the driving motor and extends into the groove of the guide plate 23, the driving motor is started and synchronously moves downwards along with the pressurizing screw, then the pressurizing screw is used to press the pressurizing column downwards, the pressurizing column is used to abut against the battery stack 5 for pressurization, the pressurizing screw moves upwards, and the pressurizing column is reset under the action of elastic force.
Or the manual driving is carried out, the hand wheel 300 is fixed on the end part of the pressurizing screw rod extending out of the top surface of the second top plate, a guide mechanism is omitted, and the hand wheel is manually rotated to drive the pressurizing screw rod to move downwards.
In order to facilitate the movement, idler wheels can be arranged at four corners of the bottom frame.
Of course, the bottom frame can be removed independently, and the top frame is matched with a heating furnace, a pressurizing device and the like independently and is selected according to requirements.
When the device is used, a pressure sensor can be arranged on a pressurizing device, such as a pressurizing screw rod, a pressurizing column and other components, so as to detect pressure change in real time, the adjustment is convenient, and the device can be additionally arranged to measure the voltage of a single cell so as to detect whether the voltage is qualified or not.
For example, the heating furnace is closed to ensure that the temperature is below 50 ℃, then the left furnace body and the right furnace body are moved to be opened to the maximum opening, the pressurizing device is removed, the galvanic pile is installed on the heating base, and the position of the galvanic pile in the middle of the base is adjusted. And then moving the pressurizing device to the position right above the galvanic pile, and adjusting the pressurizing screw rod to the position right in the middle of the galvanic pile. The pressurization is adjusted by a motor or manually, and the pressure is set to 500 KG. The left and right furnace bodies were combined and the temperature was set to 1100 ℃. The pressure needs to be kept in the process of assembling the galvanic pile, and the galvanic pile is compressed by about 5 mm. And (4) introducing 2slm nitrogen after the packaging is finished, and testing whether the open-circuit voltage of the single cell is more than 1.2V. The electric pile with the single cell voltage lower than 1.2V is a defective product and needs to be reassembled. The obtained data enters a database, the assembly time and the test parameters of each galvanic pile can be tracked, and a foundation is laid for later industrialization.
Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides a hot pressure device of solid oxide fuel cell stack, includes unable adjustment base, heating base, controls split type heating furnace, pressure device and pressure strutting arrangement, the heating base is located unable adjustment base and the both sides that the split type is located the heating base relatively about the heating furnace, and pressure device includes pressurization screw rod, pressurization post, its characterized in that: the pressure support device comprises a top frame and a top plate, wherein the top frame is of a rectangular frame type, a fixing base is located in a frame of the top frame, a sliding plate is arranged on a rack rod at the top of the top frame, the rack rod slides towards the left and right split bodies of the heating furnace relatively, a top plate is arranged on the top surface of the sliding plate, a hole is formed in the top plate, a pressurizing column is elastically connected in the hole, a pressurizing screw rod is located above the pressurizing column, the pressurizing screw rod is driven to press down the pressurizing column to enable the pressurizing column to stretch out from the bottom of the sliding plate to pressurize a battery stack below, the pressurizing screw rod moves upwards, and the pressurizing column resets under the action of elasticity.
2. The thermal press according to claim 1, wherein: the roof includes first roof, second roof and pressurization stand, and the pressurization stand is located between first roof, the second roof and fixes the three as an organic whole, and the trompil sets up the pressurization screw rod on the second roof, trompil and elastic connection pressurization post on the first roof.
3. The thermal press according to claim 2, wherein: the guide mechanism comprises a positioning plate and a guide plate, the guide plate is relatively fixed on the top surface of the second top plate on two sides of the driving motor and is provided with a groove, the positioning plate is relatively fixed on two sides of the driving motor and extends into the groove of the guide plate, and the driving motor is started and synchronously moves downwards along with the pressurizing screw.
4. The thermal press according to claim 2, wherein: the hand wheel is fixed on the end part of the pressure screw rod extending out of the top surface of the second top plate.
5. The thermal press according to claim 2, wherein: and a spring sleeve is arranged in the first top plate hole and is elastically connected with the pressurizing column through the spring sleeve.
6. The thermal press according to claim 1, wherein: the two ends of the sliding plate are in sliding connection with the corresponding top frame rods through the sliding blocks and the guide rails.
7. The hot pressing device as claimed in any one of claims 1 to 6, wherein: the pressure supporting device further comprises a bottom frame, the top frame is arranged in the middle of the top surface of the bottom frame and is of a rectangular frame type, a fixing base is arranged on the bottom frame in the frame, and the left and right split bodies of the heating furnace are respectively located on the bottom frames on two sides of the fixing base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120626846.1U CN214477580U (en) | 2021-03-26 | 2021-03-26 | Thermal pressurizing device of solid oxide fuel cell stack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120626846.1U CN214477580U (en) | 2021-03-26 | 2021-03-26 | Thermal pressurizing device of solid oxide fuel cell stack |
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| CN214477580U true CN214477580U (en) | 2021-10-22 |
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| CN202120626846.1U Active CN214477580U (en) | 2021-03-26 | 2021-03-26 | Thermal pressurizing device of solid oxide fuel cell stack |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114069006A (en) * | 2021-10-29 | 2022-02-18 | 中广核研究院有限公司 | Electric pile assembling device |
| CN116765653A (en) * | 2023-08-21 | 2023-09-19 | 广东国玉科技股份有限公司 | Battery pile sealing welding device |
| CN117663776A (en) * | 2023-12-11 | 2024-03-08 | 合肥费舍罗热工装备有限公司 | SOFC performance test furnace |
-
2021
- 2021-03-26 CN CN202120626846.1U patent/CN214477580U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114069006A (en) * | 2021-10-29 | 2022-02-18 | 中广核研究院有限公司 | Electric pile assembling device |
| CN114069006B (en) * | 2021-10-29 | 2023-10-20 | 中广核研究院有限公司 | Pile assembling device |
| CN116765653A (en) * | 2023-08-21 | 2023-09-19 | 广东国玉科技股份有限公司 | Battery pile sealing welding device |
| CN116765653B (en) * | 2023-08-21 | 2023-11-03 | 广东国玉科技股份有限公司 | Battery pile sealing welding device |
| CN117663776A (en) * | 2023-12-11 | 2024-03-08 | 合肥费舍罗热工装备有限公司 | SOFC performance test furnace |
| CN117663776B (en) * | 2023-12-11 | 2024-09-24 | 合肥费舍罗热工装备有限公司 | SOFC performance test furnace |
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