Fluid pump module

Patent metadata

Field	Value
Publication number	US-12116993-B2
Application number	US-202217941755-A
Country	US
Kind code	B2
Filing date	Sep 9, 2022
Priority date	Jul 18, 2022
Publication date	Oct 15, 2024
Grant date	Oct 15, 2024

Abstract

A fluid pump module includes a heat dissipation board assembly, a fixing frame body, fluid pumps, a control board and a conveying pipe is provided. The fixing frame body is fixed at one side of the heat dissipation board assembly, so as to form two accommodating spaces between the heat dissipation board assembly and the fixing frame body. Two fluid pumps are respectively disposed in the two accommodating spaces. The control board is disposed at another side of the heat dissipation board assembly. The conveying pipe connects the two fluid pumps in series so as to form a series connection therebetween. The control board controls operations of the fluid pumps, and the heat dissipation board assembly dissipates heats produced by a module formed by the two fluid pumps.

First claim

What is claimed is:

1. A fluid pump module, comprising:
a heat dissipation board assembly;
a fixing frame body fixed at one side of the heat dissipation board assembly, so as to form two accommodating spaces between the heat dissipation board assembly and the fixing frame body;
two fluid pumps respectively disposed in the two accommodating spaces;
a control board disposed at another side of the heat dissipation board assembly; and
a conveying pipe connected between the two fluid pumps so as to connect the two fluid pumps in series, wherein the control board controls operations of the two fluid pumps, and the heat dissipation board assembly dissipates heats produced by a module formed by the two fluid pumps,
wherein the fixing frame body further comprises a frame body flat board, frame body side walls, frame body openings and frame body fixing elements, wherein the frame body flat board is located at the top of the fixing frame body, the frame body side walls are perpendicularly disposed at two opposite ends of the frame body flat board, and the frame body fixing elements are disposed at ends of the frame body side walls opposite to the frame body flat board, wherein the fixing frame body is fixed in indentations at opposite ends of the heat dissipation board assembly through the frame body side walls and the frame body fixing elements are fixed on the heat dissipation board assembly, so that the two fluid pumps are disposed in the accommodating spaces, and wherein the conveying pipe penetrates the frame body openings to connect with the two fluid pumps.

2. The fluid pump module as claimed in claim 1 , wherein the heat dissipation board assembly further comprises:
a plurality of heat dissipation flat boards; and
a heat dissipation lateral board,
wherein ends at the same side of the plurality of heat dissipation flat boards are connected with the heat dissipation lateral board, so as to form the two accommodating spaces between the heat dissipation board assembly and the fixing frame body.

3. The fluid pump module as claimed in claim 2 , wherein at least one of the heat dissipation flat boards is sandwiched and contacted between the two fluid pumps so as to form a sandwich structure.

4. The fluid pump module as claimed in claim 1 , wherein each of the fluid pumps has a flat cylindrical shape and comprises:
a tubular disc, a core module and a cover;
wherein the tubular disc, the core module and the cover are sequentially stacked from bottom to top, the tubular disc is provided for accommodating a flowing path of the fluid pump, the core module is driven by the driving signal received from the control board to drive a fluid flow, and a bottom surface of the cover is combined with a top end of the tubular disc so as to seal the core module in the fluid pump.

5. The fluid pump module as claimed in claim 4 , wherein the tubular disc further comprises:
an inflow tube;
an outflow tube disposed at an opposite side of the inflow tube; and
a protrusion portion located between the inflow tube and the outflow tube,
wherein an inflow annular layer is disposed within a region surrounding by the inflow tube, the outflow tube and the protrusion portion, the inflow annular layer comprises a notch which is in communication with the outflow tube, and a fluid inlet is located at a position above the inflow annular layer and is in communication with the inflow tube;
an outflow annular layer is disposed within the inflow annular layer, and the outflow annular layer comprises a fluid outlet which is in communication with the outflow tube;
the protrusion portion comprises a plurality of positioning latches;
the core module comprises a first electrode and a second electrode, wherein the first electrode comprises a first electrode positioning hole for engaging and fixing with one of the positioning latches, and the second electrode comprises a second electrode positioning hole for engaging and fixing with another positioning latch on the protrusion portion; and
the cover comprises a first cover protrusion and a second cover protrusion, wherein when the cover is engaged and fixed with the tubular disc, the first cover protrusion is correspondingly disposed above the fluid inlet, and the second cover protrusion is disposed in corresponding to the protrusion portion.

6. The fluid pump module as claimed in claim 5 , wherein a total length of the fluid pump without the inflow tube and the outflow tube is within a range of 28 mm±10 mm, a total width of the fluid pump is within a range of 31 mm±10 mm, and a thickness of the fluid pump is within a range of 5 mm±2 mm.

7. The fluid pump module as claimed in claim 5 , wherein an output pressure of the fluid pump is within a range of 150 mmHg±50 mmHg, and an output flow rate of the fluid pump is within a range of 1000 ml/min±300 ml/min.

8. The fluid pump module as claimed in claim 5 , wherein a length of any one of the inflow tube and the outflow tube is equal to or less than 6 mm, and a diameter of any one of the inflow tube and the outflow tube is equal to or less than 5 mm.

9. The fluid pump module as claimed in claim 5 , wherein a length of any one of the inflow tube and the outflow tube is equal to or more than 2.5 mm, and a diameter of any one of the inflow tube and the outflow tube is equal to or more than 2.5 mm.

10. The fluid pump module as claimed in claim 4 , wherein a hardness of the cover is greater than 333 MPa based on Brinell scale, and a material of the cover is a heat conductive material or an aluminum alloy material.

11. The fluid pump module as claimed in claim 4 , wherein the core module further comprises a piezoelectric sheet, an inflow plate, a frame, a second plate element, a first plate element, a valve sheet and an outflow plate which are sequentially stacked from top to bottom, and wherein the frame is disposed on the second plate element, the second plate element is fixed on the first plate element, and a thickness of the second plate element is greater than a thickness of the first plate element.

12. The fluid pump module as claimed in claim 11 , wherein at least one first through hole is disposed on the first plate element, at least one second through hole is disposed on the second plate element, and an amount, a position, and a diameter of the at least one second through hole are corresponding to those of the at least one first through hole.

13. The fluid pump module as claimed in claim 12 , wherein the inflow plate comprises a plurality of inflow apertures, and the plurality of inflow apertures are arranged in a shape on a plane of the inflow plate, and wherein a region enclosed by the plurality of inflow apertures is defined as an actuation region, which is driven by the deformation of the piezoelectric sheet to move upwardly and downwardly, and a region outside the inflow apertures is defined as a stationary region, which is used to dispose the inflow plate in the core module.

14. The fluid pump module as claimed in claim 13 , wherein the shape of the plurality of inflow apertures arranged is one selected from the group consisting of a rectangle, a square, and a circle.

15. The fluid pump module as claimed in claim 13 , wherein when the piezoelectric sheet receives the driving signal to deform and the actuation region is bent upwardly, the valve sheet is drawn upwardly to seal the at least one first through hole, and the fluid is inhaled into the core module through the inflow aperture at the same time, and when the actuation region is bent downwardly, the fluid flows downwardly to pass through the at least one second through hole and the at least one first thr

Assignees

• Microjet Technology Co Ltd

Inventors

• Mou Hao-Jan
• Lin Ching-Sung
• Chen Chih-Kai
• Han Yung-Lung
• Huang Chi-Feng
• Lin Tsung-I

Classifications

• F04B53/16

  Casings; Cylinders; Cylinder liners or heads; Fluid connections · CPC title

• F04B43/046 Primary

  with piezoelectric drive · CPC title

• F04B53/08 Primary

  Cooling; Heating; Preventing freezing · CPC title

• F04B49/06

  Control using electricity (regulating by means of floats actuating electric switches F04B49/04) · CPC title

• F04B53/102

  Disc valves · CPC title