Latent heat storage building element

1. a latent heat storage building element comprising: a cell array plate material including a plurality of cells that late a latent heat storage material including two or more components, one of the two or more components having magnetism and being dispersed in the latent heat storage material; an operation unit operable by a user; and an uneven distribution unit including a magnetic material configured to be switched between a first state and a second state, the first state being a state in which the magnetic material is relatively close to the latent heat storage material, and in which the magnetic material dispersed in the latent heat storage material is unevenly distributed in the latent heat storage material, the second state being a state in which the magnetic material is relatively far from the latent heat storage material, wherein the uneven distribution unit is configured to be switched between the first and second states when an operation is performed on the operation unit, the operation causing the cell array plate material to perform at least a half rotation in a vertical direction.

2. The latent heat storage building element according to claim 1 , wherein the operation unit includes a cord member that operates in response to the operation by the user, and the magnetic material is connected to the cord member, and the operation unit is configured to be switched between the first state and the second state in response to an operation of the cord member.

3. The latent heat storage building element according to claim 1 , wherein

the uneven distribution unit is configured to be in the second state before the cell array plate material is half rotated in the vertical direction, and is configured to be in the first state after the cell array plate material is half rotated in the vertical direction.

4. The latent heat storage building element according to claim 1 , wherein

the magnetic material of the uneven distribution unit is an electromagnet, and

the operation unit is configured to be switched between the first and second states by energizing the electromagnet and interrupting the energization to the electromagnet.

5. The latent heat storage building element according to claim 1 , wherein, the uneven distribution unit includes a first membrane member that is provided at a position biased in a height direction in a cell in the plurality of cells and separates inside of the cell into a first small space and a first main space, and the first membrane member includes either a member having a different permeation speed of a specific ion from a permeation speed of another ion, or a member having a different permeation speed of an ion from a permeation speed of water, and unevenly distributes the magnetic material dispersed in the latent heat storage material when the cell array plate material is half rotated in the vertical direction.

6. The latent heat storage building element according to claim 5 , wherein

the uneven distribution unit further includes a second membrane member that forms a second small space substantially symmetrical to the first small space in the height direction in the first main space in the plurality of cells, and

the second membrane member includes the same material as that of the first membrane member.

7. The latent heat storage building element according to claim 5 , further comprising:

first and second structures respectively including

two sheets of a plate material that form a third space sandwiched between the two sheets of the plate material,

liquid that is encapsulated between the two sheets of the plate material, and

a slope that forms a liquid circulation structure in which a storage part of the liquid is formed on one plate material side of the two sheets of the plate material, the liquid in the storage part being configured to be evaporated when heat of the one plate material side reaches the other plate material side, and the liquid being configured to be condensed on the other plate material side and be returned to the storage part, wherein

the cell array plate material is interposed between the first and second structures, and

the one plate material of the first structure and the other plate material of the second structure face each other.

8. The latent heat storage building element according to claim 7 , wherein

the operation unit is configured to cause the cell array plate material together with the first and second structures to perform at least a half rotation in a horizontal direction orthogonal to the vertical direction.