CN218343274U

CN218343274U - Air-cooled battery stack system and automobile

Info

Publication number: CN218343274U
Application number: CN202222515674.8U
Authority: CN
Inventors: 叶雪峰; 杨长江; 代梦; 罗波
Original assignee: Chongqing Dida Industrial Technology Research Institute Co ltd
Current assignee: Chongqing Dida Industrial Technology Research Institute Co ltd
Priority date: 2022-09-22
Filing date: 2022-09-22
Publication date: 2023-01-20
Anticipated expiration: 2032-09-22

Abstract

The utility model relates to a fuel cell field, concretely a forced air cooling battery pile system. The air-cooled battery stack system is characterized in that a partition plate is arranged in the hollow packaging box, the partition plate isolates the inside of the packaging box into a heat preservation cavity and a normal temperature cavity which are mutually independent, a fan assembly and the air-cooled battery stack assembly are arranged in the normal temperature cavity, an air inlet of the fan assembly is hermetically connected with an air outlet side of the air-cooled battery stack assembly, an air outlet of the fan assembly is hermetically connected with the partition plate, a plurality of first strip-shaped air guide grooves are uniformly distributed in a connecting area of the partition plate and the fan assembly, a solid hydrogen storage tank is arranged in the heat preservation cavity, an air inlet air filter assembly is arranged on one side wall of the normal temperature cavity, and a plurality of second strip-shaped air guide grooves are uniformly distributed on one side wall of the heat preservation cavity. Forced air cooling battery pile system, adopt exhaust high temperature gas to heat low Wen Gutai hydrogen storage tank to reduce the system auxiliary power consumption, improved the efficiency of system.

Description

Air-cooled battery stack system and automobile

Technical Field

The utility model relates to a fuel cell field specifically is an air-cooled battery pile system and car.

Background

The solid-state hydrogen storage can well solve the problems of user mileage anxiety, long charging time and the like, so that the solid-state hydrogen storage is widely applied to an air-cooled battery stack system of a new energy automobile. However, when hydrogen is released, a large amount of heat absorption is required to ensure that hydrogen can be released at a large flow rate. The existing solution is that a part with a heating function is generally added outside a solid-state hydrogen storage tank, but the power consumption of the part is generally different from 10W to 50W, and the auxiliary parasitic power consumption of the air-cooled battery stack system is high by the solution, so that the system efficiency is low.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides an air-cooled battery stack system.

The utility model provides an air-cooled battery stack system, includes solid-state hydrogen storage tank, fan assembly, air-cooled galvanic pile assembly and encapsulation case, the inside cavity of encapsulation case is equipped with the baffle, the baffle will encapsulation incasement portion keeps apart into mutually independent heat preservation chamber and normal atmospheric temperature chamber, fan assembly with air-cooled galvanic pile assembly all sets up in the normal atmospheric temperature intracavity, the air inlet of fan assembly with the side sealing connection of giving vent to anger of air-cooled galvanic pile assembly, its gas outlet with baffle sealing connection, the baffle with the connection area equipartition of fan assembly has a plurality of first bar wind-guiding grooves, solid-state hydrogen storage tank sets up in the heat preservation intracavity, be equipped with into air-filtered assembly on one side lateral wall in normal atmospheric temperature chamber, the equipartition has a plurality of second bar wind-guiding grooves on one side lateral wall in heat preservation chamber.

Furthermore, a pressure reducing valve assembly is arranged on the solid hydrogen storage tank.

Furthermore, the inner side wall of the heat preservation cavity is provided with a heat preservation layer.

Furthermore, a rubber seal is arranged between the air inlet of the fan assembly and the air outlet side of the air-cooled electric pile assembly.

Further, one side in normal temperature chamber is open structure, the air filter assembly that admits air includes the casing and fills filler in the casing, the casing with the uncovered side looks adaptation in normal temperature chamber to detachable installs the uncovered side in normal temperature chamber, be equipped with the ventilation hole on one side of casing.

An automobile comprises the air-cooled battery stack system.

The utility model provides a beneficial effect that technical scheme brought is: air-cooled battery pile system, with the exhaust air current of air-cooled galvanic pile assembly through solid-state hydrogen storage tank, adopt exhaust high-temperature gas to heat low Wen Gutai hydrogen storage tank to reduced the system auxiliary power consumption, improved the efficiency of system.

Drawings

Fig. 1 is a cross-sectional view of an air-cooled stack system of the present invention;

fig. 2 is a schematic view of a partial structure of an air-cooled cell stack system according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be further described below with reference to the accompanying drawings.

Referring to fig. 1-2, an embodiment of the present invention provides an air-cooled cell stack system, including a solid-state hydrogen storage tank (120), a fan assembly (113), an air-cooled cell stack assembly (110) and an enclosure box (146), the enclosure box (146) is hollow and is provided with a partition (148), the partition (148) separates the interior of the enclosure box (146) into a heat preservation chamber (141) and a normal temperature chamber (142) which are independent of each other, the fan assembly (113) and the air-cooled cell stack assembly (110) are both disposed in the normal temperature chamber (142), the air-cooled cell stack assembly (110) has a hydrogen inlet (111) and a hydrogen outlet (112), an air inlet of the fan assembly (113) is hermetically connected with an air outlet side of the air-cooled cell stack assembly (110), an air outlet of the fan assembly is hermetically connected with the partition (148), a plurality of first strip-shaped air guide grooves (144) are uniformly distributed in a connection region between the partition (148) and the fan assembly (113), an air inlet side wall of the normal temperature chamber (142) is disposed on one side wall of the normal temperature chamber, the solid-state air-cooled cell stack assembly (120) is disposed with a plurality of strip-shaped air guide grooves (145) disposed on one side of the heat preservation chamber (141).

In the utility model, the packaging box (146) is mainly made of nylon and fiber, or stainless steel or aluminum alloy, and is mainly divided into two cavities, and the fan assembly (113), the air-cooled stack assembly (110), the hydrogen inlet solenoid valve (150), and the pipeline are mainly placed in the normal temperature cavity (142); the utility model discloses mainly arrange spare parts such as solid-state hydrogen storage tank (120), relief pressure valve assembly (130), pressure sensor assembly in heat preservation chamber (141), it needs to explain, the utility model discloses what mainly protected is fan assembly (113), air-cooled galvanic pile assembly (110), the mounted position of solid-state hydrogen storage tank (120) and the arrangement of the mode in encapsulation case (146), the heat exchange structure who designs on encapsulation case (146) in addition, do not relate to fan assembly (113), air-cooled galvanic pile assembly (110), hydrogen advances solenoid valve 150, the pipeline, solid-state hydrogen storage tank (120), relief pressure valve assembly (130), improvement and the improvement of each spare part connection of spare part structures such as pressure sensor assembly among the air-cooled battery pile system, fan assembly (113), air-cooled galvanic pile assembly (110), hydrogen advances the structure of spare part such as electric 150, the pipeline, solid-state hydrogen storage tank (120), relief pressure valve assembly (130), the structure of spare part such as pressure sensor assembly and the connection of each spare part all belong to prior art. The utility model discloses in air-cooled galvanic pile assembly (110) can be metal bipolar plate and form, also can be by graphite bipolar plate assembly, and power is no longer than 5kw. The solid hydrogen storage tank (120) is arranged inside the heat preservation cavity (141) in a threaded or clamping manner. The air outlet of the fan assembly (113) is connected with the partition plate (148), so that heated air can be completely conveyed into the heat preservation cavity (141), and the temperature in the normal temperature cavity (142) is prevented from increasing.

Air-cooled battery pile system, arrange solid-state hydrogen storage tank (120) at the rear portion of fan assembly (113), fan assembly (113) adopt the mode of induced drafting, through the negative pole chamber with the inside air admission air-cooled galvanic pile assembly (110) in normal atmospheric temperature chamber (142), after the reaction, air and vapor get into fan assembly (113) entry from the negative pole chamber export of air-cooled galvanic pile assembly (110), this kind of mode can guarantee that normal atmospheric temperature chamber (142) and external environment temperature keep unanimous or be a little higher than external environment temperature, form a large amount of air flows. Meanwhile, the air outlet of the fan assembly (113) faces the solid-state hydrogen storage tank (120), a large amount of hot air flows through the surface of the solid-state hydrogen storage tank (120) through the plurality of first strip-shaped air guide grooves (144), when high-temperature air flows through the surface of the low-temperature solid-state hydrogen storage tank (120), a large amount of heat exchange can be formed, the surface and internal temperature of the solid-state hydrogen storage tank (120) are further improved, the hot air continuously flows upwards along the solid-state hydrogen storage tank (120), and finally the hot air is discharged out of the system from the plurality of second strip-shaped air guide grooves (145). Wherein need to explain, fan assembly (113) and the integrated setting of air-cooled galvanic pile assembly (110), fan assembly (113) are connected fixedly through the direct integrated installation of bolt and the shell of air-cooled galvanic pile assembly (110), the utility model discloses the structure of well fan assembly (113), air-cooled galvanic pile assembly (110) to and fan assembly (113) and the integrated mounting means of air-cooled galvanic pile assembly (110) all belong to prior art. The partition plate (148) isolates the interior of the packaging box (146) into two mutually independent spaces, so that the solid hydrogen storage tank (120), the fan assembly (113) and the air-cooled pile assembly (110) can work independently, the heat exchange of the solid hydrogen storage tank (120) is facilitated, and the power consumption of the fan assembly (113) is reduced. Air-cooled battery pile system, with air-cooled electric pile assembly (110) exhaust air outlet exhaust air current solid-state hydrogen storage tank (120), adopt exhaust high-temperature gas to heat low Wen Gutai hydrogen storage tank (120) to system auxiliary power consumption has been reduced, the efficiency of system has been improved.

In the above embodiment, one side of the normal temperature cavity 142 is an open structure, the air intake and filtration assembly (143) includes the housing 14 and the filler filled in the housing, the housing 14 is adapted to the open side of the normal temperature cavity 142 and detachably mounted on the open side of the normal temperature cavity 142, and one side of the housing 14 is provided with the vent hole 15.

The utility model discloses in, casing 14 can be dismantled with normal atmospheric temperature chamber 142 and be connected in order to conveniently change the filler in it, guarantees the filter effect of air inlet air filter assembly. The filler is a mixture of activated carbon and exchange resin, which is prior art. The detachable connection between the housing 14 and the normal temperature chamber 142 may be a snap fit or a threaded connection.

In the above embodiment, the solid hydrogen storage tank (120) is provided with a pressure reducing valve assembly (130).

The structure of the pressure reducing valve assembly (130) and the connection mode with the solid hydrogen storage tank (120) belong to the prior art. Specifically, the pressure reducing valve assembly (130) is fixedly mounted on the solid hydrogen storage tank (120) through threads.

The utility model discloses in, all be equipped with the heat preservation on the inside wall of heat preservation chamber (141).

The temperature in the heat preservation cavity (141) of the utility model is generally 40-60 ℃, the heat preservation layer is made of glass wool material, which can prevent the heat from flowing to the normal temperature cavity (142) and radiating with the outside.

In the above embodiment, a rubber gasket is disposed between the air inlet of the fan assembly (113) and the air outlet of the air-cooled stack assembly (110).

The utility model discloses in, rubber seal pad has that sealing performance is good and implementation cost low grade advantage, and it can prevent that hot-blast entering normal atmospheric temperature chamber (142) of fan assembly (113) air outlet from.

An automobile comprises the air-cooled battery stack system.

In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.

The features of the embodiments and embodiments described herein above may be combined with each other without conflict.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The air-cooled battery stack system is characterized by comprising a solid hydrogen storage tank (120), a fan assembly (113), an air-cooled battery stack assembly (110) and a packaging box (146), wherein the packaging box (146) is hollow and provided with a partition plate (148), the partition plate (148) separates the interior of the packaging box (146) into a heat preservation cavity (141) and a normal temperature cavity (142) which are independent of each other, the fan assembly (113) and the air-cooled battery stack assembly (110) are arranged in the normal temperature cavity (142), an air inlet of the fan assembly (113) is hermetically connected with an air outlet side of the air-cooled battery stack assembly (110), an air outlet of the fan assembly is hermetically connected with the partition plate (148), a plurality of first strip-shaped air guide grooves (144) are uniformly distributed in a connecting area of the partition plate (148) and the fan assembly (113), the solid hydrogen storage tank (120) is arranged in the heat preservation cavity (141), an air inlet air filtering assembly (143) is arranged on one side wall of the normal temperature cavity (142), and a plurality of second strip-shaped air guide grooves (145) are uniformly distributed on one side wall of the heat preservation cavity (141).

2. The air-cooled cell stack system according to claim 1, wherein the solid-state hydrogen storage tank (120) is provided with a pressure reducing valve assembly (130).

3. The air-cooled battery stack system according to claim 1, wherein the insulating layer is arranged on the inner side wall of the insulating cavity (141).

4. The air-cooled battery stack system of claim 1, wherein a rubber seal is provided between the air inlet of the fan assembly (113) and the air outlet side of the air-cooled battery stack assembly (110).

5. The air-cooled battery stack system according to claim 1, wherein one side of the normal temperature cavity (142) is an open structure, the air inlet and filter assembly (143) comprises a housing (14) and a filler filled in the housing, the housing (14) is adapted to the open side of the normal temperature cavity and detachably mounted on the open side of the normal temperature cavity, and a vent hole (15) is formed in one side of the housing (14).

6. An automobile comprising the air-cooled stack system of any one of claims 1-5.