Filter device and capacitive de-ionization (CDI) module

Abstract

This invention discloses a filter cartridge device, a capacitive deionization module, and a filter cartridge unit of the capacitive deionization module. The filter cartridge unit includes two electrode layers and a frame located between the two electrode layers, with the frame and the corresponding two electrode layers defining an inlet and an outlet. The frame has an outer ring segment and a water-proof structure located inside the outer ring segment. The inner edge of the outer ring segment defines a predetermined length, and the water-proof structure is connected to the inner edge of the outer ring segment and located between the inlet and the outlet, such that the frame defines a unit path from the inlet along the water-proof structure to the outlet, the unit path being greater than the predetermined length.

Claims

1. A filter cartridge device, comprising: A capacitive deionization module includes: a housing having a first side plate and a second side plate, and the housing including two first inlet / outlet ports located on the first side plate and two second inlet / outlet ports located on the second side plate; a plurality of frames stacked on top of each other and located between the first side plate and the second side plate, each frame having an outer ring segment; wherein the inner edge of the outer ring segment of each frame defines a preset length; and a plurality of electrode layers disposed on the plurality of frames, each frame located between two electrode layers and collectively defined as a filter element unit having an inlet and an outlet, and each frame defining a unit path from the inlet to the outlet; wherein, in any one of the capacitive deionization modules, the unit paths of the plurality of filter elements are interconnected to form a module path, and the module path is connected to the two first inlet / outlet ports and the two second inlet / outlet ports; and a plurality of plugs; wherein either of the two first inlet / outlet ports and the two second inlet / outlet ports of the capacitive deionization module can be selectively closed by one of the plugs.

2. The filter element device as claimed in claim 1, wherein, In at least one of the filter cartridge units, the frame has a water-proof structure located between the inlet and the outlet, and the water-proof structure is located inside the outer ring segment and connected to the inner edge of the outer ring segment, such that the frame defines a unit path from the inlet along the water-proof structure to the outlet, which is greater than the preset length; wherein the inner edge of the outer ring segment has two first sides facing each other, the two first sides being spaced apart by the preset length; wherein the water-proof structure includes N ribs, where N is a positive integer, and one end of each rib is connected to one of the two first sides of the outer ring segment, while the other end of each rib is spaced apart from and adjacent to the other of the two first sides; wherein any two adjacent ribs are respectively connected to different first sides, such that the unit path is N+1 times the preset length.

3. The filter element device as claimed in claim 2, wherein, N is an odd number, and the entrance and the exit are adjacent to one of the first edges; Alternatively, N is an even number, and the entrance and the exit are respectively adjacent to different first sides.

4. The filter element device as claimed in claim 1, wherein, In at least one of the filter cartridge units, the frame has a water-proof structure located between the inlet and the outlet, and the water-proof structure is located inside the outer ring segment and connected to the inner edge of the outer ring segment, so that the frame defines a unit path from the inlet along the water-proof structure to the outlet, which is greater than the preset length; wherein, the frame of each filter cartridge unit has the water-proof structure, and the unit paths of the plurality of filter cartridge units are interconnected to jointly form a module path; wherein, the capacitive deionization module further includes: a housing disposed outside the plurality of frames and the plurality of electrode layers, and the housing has two first inlet / outlet ports located on the same side, and the two first inlet / outlet ports are connected to the module path.

5. The filter cartridge device as claimed in claim 4, wherein, The unit paths of the multiple filter elements are all the same and are connected in parallel to each other to form the module path.

6. The filter element device as claimed in claim 4, wherein, The plurality of filter elements include at least two first filter elements and at least two second filter elements; the unit paths of the at least two first filter elements are all the same and connected in parallel with each other, and the unit paths of the at least two second filter elements are all the same and connected in parallel with each other; wherein the unit paths of the at least two first filter elements are different from and connected in series with the unit paths of the at least two second filter elements to jointly form the module path.

7. A filter cartridge device, comprising: Multiple capacitive deionization modules are stacked on top of each other, and each capacitive deionization module includes: a housing having a first side plate and a second side plate, and the housing including two first inlet / outlet ports located on the first side plate and two second inlet / outlet ports located on the second side plate; multiple frames stacked on top of each other inside the housing and located between the first side plate and the second side plate; wherein each frame has an outer ring segment, and the inner edge of the outer ring segment of each frame defines a preset length; and multiple electrode layers disposed on the multiple frames, each frame being located between two electrode layers and collectively defined as a filter element unit having an inlet and an outlet, and the frame defining a unit path from the inlet to the outlet; wherein, in any one of the capacitive deionization modules, the unit paths of the multiple filter elements are interconnected to form a module path, and the module path is connected to the two first inlet / outlet ports and the two second inlet / outlet ports; In any two stacked capacitor deionization modules, the two first inlet / outlet ports of one capacitor deionization module are respectively inserted into the two second inlet / outlet ports of the other capacitor deionization module; and a plurality of plugs; wherein either of the two first inlet / outlet ports and the two second inlet / outlet ports of each capacitor deionization module may be selectively closed by a plug, so that the plurality of module paths of the filter element device are connected to each other and together form a filter element path.

8. The filter element device as claimed in claim 7, wherein, In at least one filter element unit of at least one of the capacitor deionization modules, the frame has a water-proof structure located between the inlet and the outlet, and the water-proof structure is located inside the outer ring segment and connected to the inner edge of the outer ring segment, such that the frame defines a unit path from the inlet along the water-proof structure to the outlet, the unit path being greater than the preset length.

9. A capacitor deionization module, comprising: A housing having a first side plate and a second side plate, and the housing including two first inlet / outlet ports located on the first side plate; a plurality of frames stacked on top of each other and located between the first side plate and the second side plate, each frame having an outer ring segment; wherein the inner edge of the outer ring segment of each frame defines a preset length; and a plurality of electrode layers disposed on the plurality of frames; wherein each frame is located between two electrode layers and collectively defines a filter element unit having an inlet and an outlet; wherein, in each filter element unit, the frame has a water-proof structure located between the inlet and the outlet, and the water-proof structure is located inside the outer ring segment and connected to the inner edge of the outer ring segment, such that the frame defines a unit path from the inlet along the water-proof structure to the outlet, the unit path being greater than the preset length; The unit paths of the plurality of filter elements are interconnected to form a module path, and the module path is connected to the two first inlet / outlet ports; wherein, one of the first inlet / outlet ports of the capacitor deionization module is used for liquid to flow in and flow out from the other first inlet / outlet port.

10. The capacitor deionization module as claimed in claim 9, wherein, In each of the filter cartridge units, the inner edge of the outer ring segment has two first sides facing each other, spaced apart by the preset length; wherein the water-proof structure includes N ribs, where N is a positive integer greater than 1, and one end of each rib is connected to one of the two first sides of the outer ring segment, while the other end of each rib is spaced apart from and adjacent to the other of the two first sides; wherein any two adjacent ribs are respectively connected to the two first sides, such that the unit path is N+1 times the preset length.

11. The capacitor deionization module as described in claim 10, wherein, In each of the filter elements, N is an odd number, and the inlet and the outlet are adjacent to one of the first sides; or, N is an even number, and the inlet and the outlet are adjacent to different first sides.

12. The capacitor deionization module as described in claim 9, wherein, In each of the filter cartridge units, the inner edge of the outer ring segment has two first sides facing each other and spaced apart by the predetermined length; wherein the inlet and the outlet are adjacent to one of the first sides, the water-proof structure is a rib, and one end of the rib is connected to one of the two first sides and located between the inlet and the outlet, while the other end of the rib is spaced apart from and adjacent to the other of the two first sides.

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