CN215955333U

CN215955333U - End plate mechanism with temperature control function for fuel cell stack

Info

Publication number: CN215955333U
Application number: CN202121886313.3U
Authority: CN
Inventors: 赵坚; 唐喜旺; 张扬; 王亚伟; 冯高勇; 张永恒
Original assignee: Guoxiong Hydrogen Energy Technology Henan Co ltd
Current assignee: Guoxiong Hydrogen Energy Technology Henan Co ltd
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2022-03-04
Anticipated expiration: 2031-08-12

Abstract

The utility model discloses an end plate mechanism with a temperature control function for a fuel cell stack, which comprises an end plate, wherein a clamping plate is arranged on the end plate, a circulating liquid cooling pipe is arranged in the clamping plate, a temperature control groove is arranged in the end plate, circulating liquid is arranged in the temperature control groove, a water pump is arranged in the temperature control groove, the liquid outlet end of the water pump is communicated with the circulating liquid cooling pipe, the liquid outlet end of the circulating liquid cooling pipe is communicated with the temperature control groove, a temperature sensor, a refrigerating sheet and a heating plate are arranged in the temperature control groove, the temperature sensor is connected with a controller for controlling the refrigerating sheet to be opened and closed in the refrigerating sheet, and the temperature sensor is connected with a controller for controlling the heating plate to be opened and closed in the heating plate. The utility model has the beneficial effects that: through setting up temperature sensor, the refrigeration piece cooperatees with the hot plate and can effectively control the temperature of control by temperature change inslot circulation liquid to through the water pump, circulation liquid cold tube and circulation liquid effectively guarantee that the battery pile is in the optimum temperature, effectively improve the performance of battery pile.

Description

End plate mechanism with temperature control function for fuel cell stack

Technical Field

The utility model relates to the technical field of fuel cells, in particular to an end plate mechanism with a temperature control function for a fuel cell stack.

Background

The fuel cell is a new power source with development prospect, generally takes hydrogen, carbon, methanol, borohydride, coal gas or natural gas as fuel, as the negative pole, and takes oxygen in the air as the positive pole, and the cell has the advantages of high conversion efficiency, large capacity, high specific energy, wide power range, no need of charging, and the like.

The fuel cell can release heat energy when working, and some existing fuel cell end plates can not effectively control the temperature of the fuel cell end plates, can not enable the cell stack to work at the optimal temperature, and influence the performance of the cell stack.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects that the cell end plate in the prior art cannot effectively control the temperature of the cell end plate and influences the performance of a cell stack, and provides an end plate mechanism with a temperature control function for a fuel cell stack.

The purpose of the utility model is realized by the following technical scheme: the fuel cell stack is with end plate mechanism that has temperature control function, including the end plate, install splint on the end plate, be provided with the cold pipe of circulation liquid in the splint, be provided with the control by temperature change groove in the end plate, be provided with circulation liquid in the control by temperature change inslot, install the water pump in the control by temperature change inslot, the play liquid end and the cold pipe of circulation liquid of water pump are linked together, and the play liquid end and the control by temperature change groove of the cold pipe of circulation liquid communicate, install temperature sensor in the control by temperature change inslot, refrigeration piece and hot plate, temperature sensor is connected with the controller that the interior control by temperature change piece opened and close of refrigeration piece, temperature sensor is connected with the controller that the interior control by temperature change hot plate opened and close of hot plate.

A further technical scheme is that a heat exchange plate is arranged on the circulating liquid cooling pipe and is positioned in the clamping plate.

The technical scheme is that a material guide pipe is arranged on the end plate, an annular flow guide groove corresponding to the material guide pipe is arranged in the end plate, and the annular flow guide groove is communicated with the temperature control groove.

A further technical scheme is that a liquid inlet corresponding to the temperature control groove is arranged on the end plate, and a sealing cover is in threaded connection with the liquid inlet.

A further technical scheme is that a telescopic rod is installed on the sealing cover, and a friction plate which is interfered with the end plate is installed at the telescopic end of the telescopic rod.

A further technical scheme is that a cell stack groove corresponding to the clamping plate is formed in the end plate, and heat conducting plates are mounted on the clamping plate and the cell stack groove.

The utility model has the following advantages: the temperature sensor is arranged, the refrigerating sheet is matched with the heating plate, so that the temperature of circulating liquid in the temperature control groove can be effectively controlled, the optimal temperature of the cell stack can be effectively ensured through the water pump, the circulating liquid cooling pipe and the circulating liquid, the performance of the cell stack can be effectively improved, the temperature of the material guide pipe can be ensured to be at the optimal temperature through the annular flow guide groove, and the working efficiency of the cell stack can be improved.

Drawings

Fig. 1 is a front cross-sectional view of an end plate according to the present invention.

FIG. 2 is a schematic side cross-sectional view of the inventive structure.

Fig. 3 is a schematic perspective view of the present invention.

In the figure, 1, end plate; 2. a temperature control tank; 3. a splint; 4. a circulating liquid cooling pipe; 5. a water pump; 6. a temperature sensor; 7. a refrigeration plate; 8. heating plates; 9. a material guide pipe; 10. an annular diversion trench; 11. a heat exchange plate; 12. a liquid inlet; 13. a sealing cover; 14. a telescopic rod; 15. a friction plate; 16. a heat conducting plate; 17. a cell stack tank.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are used only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element that is referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, the end plate mechanism with temperature control function for fuel cell stack comprises an end plate 1, a clamping plate 3 is installed on the end plate 1, a circulating liquid cooling pipe 4 is installed in the clamping plate 3, a temperature control groove 2 is installed in the end plate 1, circulating liquid is installed in the temperature control groove 2, a water pump 5 is installed in the temperature control groove 2, a liquid outlet end of the water pump 5 is communicated with the circulating liquid cooling pipe 4, a liquid outlet end of the circulating liquid cooling pipe 4 is communicated with the temperature control groove 2, a temperature sensor 6, a refrigerating sheet 7 and a heating plate 8 are installed in the temperature control groove 2, the temperature sensor 6 is connected with a controller for controlling the opening and closing of the refrigerating sheet 7 in the refrigerating sheet 7, the temperature sensor 6 is connected with a controller for controlling the opening and closing of the heating plate 8 in the heating plate 8, the temperature sensor 6 is arranged, the temperature of the circulating liquid in the temperature control groove 2 can be effectively controlled by matching the refrigerating sheet 7 and the heating plate 8, and the water pump 5, the battery pile is effectively ensured to be at the optimal temperature by the circulating liquid-cooled pipe 4 and the circulating liquid, the performance of the battery pile is effectively improved, the heat exchange plate 11 is installed on the circulating liquid-cooled pipe 4, the heat exchange plate 11 is positioned in the clamping plate 3, the heat exchange efficiency between the clamping plate 3 and the circulating liquid-cooled pipe 4 can be effectively improved by arranging the heat exchange plate 11, the material guide pipe 9 is arranged on the end plate 1, the annular flow guide groove 10 corresponding to the material guide pipe 9 is arranged in the end plate 1, the annular flow guide groove 10 is communicated with the temperature control groove 2, the temperature of the material guide pipe 9 can be ensured to be at the optimal temperature by arranging the annular flow guide groove 10, the working efficiency of the battery pile is improved, the liquid inlet 12 corresponding to the temperature control groove 2 is installed on the end plate 1, the liquid inlet 12 is in threaded connection with the sealing cover 13, the telescopic rod 14 is installed on the sealing cover 13, and the friction plate 15 interfering with the end plate 1 is installed at the telescopic end of the telescopic rod 14, make sealed lid 13 more firm through setting up telescopic link 14 and friction disc 15 cooperation, make the sealed effect of lid 13 better, guarantee the security in control by temperature change groove 2, set up on the end plate 1 and pile groove 17 with the corresponding battery of splint 3, all install heat-conducting plate 16 on splint 3 and the battery pile groove 17, through setting up heat-conducting plate 16 and improving the heat conductivility between end plate 1 and splint 3 and the battery pile, thereby better regulation and control end plate 1 and splint 3 temperature, make the battery pile be in better operation temperature range.

The working process of the utility model is as follows: when the mechanism is used, the temperature sensor 6 can respectively control the opening and closing of the refrigerating sheet 7 and the heating plate 8, the temperature sensor 6 controls the temperature of circulating liquid by controlling the opening and closing of the refrigerating sheet 7 or the heating plate 8, so that the circulating liquid is kept in a better temperature range of the operation of the battery stack, the water pump 5 is started to enable the circulating liquid to circulate between the end plate 1 and the clamping plate 3 through the circulating liquid cooling pipe 4, the circulating liquid can exchange heat with the clamping plate 3 through the circulating liquid cooling pipe 4 through the heat exchange plate 11, so that the clamping plate 3 is kept in the better temperature range of the operation of the battery stack, the battery stack is guaranteed to work in the better temperature range, the performance of the battery stack is guaranteed, the annular diversion trench 10 is communicated with the temperature control trench 2 to guarantee the temperature range of the guide pipe 9, the performance of the guide pipe 9 is guaranteed, the heat conduction plate 16 guarantees good heat conduction performance of the end plate 1 and the clamping plate 3, after the circulating liquid is added into the temperature control trench 2 through the liquid inlet 12, the sealing cover 13 is closed to seal the liquid inlet 12, and the telescopic rod 14 is extended to make the friction plate 15 contact and interfere with the end plate 1, so that the firmness of the splint 3 is improved.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. Fuel cell pile is with end plate mechanism that has temperature control function, including end plate (1), its characterized in that: install splint (3) on end plate (1), be provided with circulation liquid cold tube (4) in splint (3), be provided with control by temperature change groove (2) in end plate (1), be provided with circulation liquid in control by temperature change groove (2), install water pump (5) in control by temperature change groove (2), the play liquid end and circulation liquid cold tube (4) of water pump (5) are linked together, just the play liquid end and control by temperature change groove (2) of circulation liquid cold tube (4) are linked together, install temperature sensor (6), refrigeration piece (7) and hot plate (8) in control by temperature change groove (2), the controller that control refrigeration piece (7) opened and close is connected in temperature sensor (6) and refrigeration piece (7), the controller that control hot plate (8) was opened and close is connected in temperature sensor (6) and hot plate (8).

2. The end plate mechanism for a fuel cell stack having a temperature control function according to claim 1, characterized in that: and a heat exchange plate (11) is arranged on the circulating liquid cooling pipe (4), and the heat exchange plate (11) is positioned in the clamping plate (3).

3. The end plate mechanism for a fuel cell stack having a temperature control function according to claim 1, characterized in that: the temperature control device is characterized in that a material guide pipe (9) is arranged on the end plate (1), an annular flow guide groove (10) corresponding to the material guide pipe (9) is arranged in the end plate (1), and the annular flow guide groove (10) is communicated with the temperature control groove (2).

4. The end plate mechanism for a fuel cell stack having a temperature control function according to claim 1, characterized in that: the end plate (1) is provided with a liquid inlet (12) corresponding to the temperature control groove (2), and the liquid inlet (12) is in threaded connection with a sealing cover (13).

5. The end plate mechanism for a fuel cell stack having a temperature control function according to claim 4, characterized in that: the sealing cover (13) is provided with a telescopic rod (14), and the telescopic end of the telescopic rod (14) is provided with a friction plate (15) which is interfered with the end plate (1).

6. The end plate mechanism for a fuel cell stack having a temperature control function according to claim 1, characterized in that: the battery pile groove (17) corresponding to the clamping plate (3) is formed in the end plate (1), and heat-conducting plates (16) are mounted on the clamping plate (3) and the battery pile groove (17).