Water electrolysis device

Patent metadata

Field	Value
Publication number	US-2019062932-A1
Application number	US-201816108729-A
Country	US
Kind code	A1
Filing date	Aug 22, 2018
Priority date	Aug 25, 2017
Publication date	Feb 28, 2019
Grant date	—

Abstract

A water electrolysis device for generating hydrogen gas includes a case, a power supplying unit, and an ion-exchange membrane electrolyzer. The case has a containing space including a bottom space and a top space. The bottom space is larger than the top space. The power supplying unit is configured in the bottom space for supplying power to operate the water electrolysis device. The ion-exchange membrane electrolyzer includes an ion-exchange membrane and a cathode, and the cathode generates hydrogen gas during which the ion-exchange membrane electrolyzer electrolyzes water.

First claim

What is claimed is:

1 . A water electrolysis device, comprising:
a case having a containing space, the containing space comprising a bottom space and a top space, and the bottom space being larger than the top space; a power supplying unit configured in the bottom space of the case for supplying power of the water electrolysis device, wherein the power supplying unit comprises a high power output and a low power output; the electric power outputted by the low power output is equal to or less than half of that outputted by the high power output; an electrolyzer configured in the case and electrically coupled to the high power output of the power supplying unit, the electrolyzer comprising a cathode and an anode, the cathode generating hydrogen gas and the anode generating oxygen gas during electrolyzing water; an air supplying tube; and an air pump electrically coupled to the low power output of the power supplying unit, the air pump coupled to the air supplying tube by an air supplying interface, the air pump guiding air from the environment outside the water electrolysis device into the air supplying tube to dilute the hydrogen gas; wherein a lead angle between the air supplying interface and the air supplying tube is less than 90 degrees.

2 . The water electrolysis device of claim 1 , wherein the electrolyzer further comprises an anode chamber, the anode chamber comprises the anode, an anode sealing plate and an anode external plate, and the anode further comprises an anode conductive plate, the anode is coupled to the anode sealing plate and the anode external plate.

3 . The water electrolysis device of claim 2 , wherein the electrolyzer comprises a cathode chamber; the cathode chamber comprises the cathode, a cathode sealing plate and a cathode external plate, and the cathode further comprises a cathode conductive plate, the cathode is coupled to the cathode sealing plate and the cathode external plate.

4 . The water electrolysis device of claim 2 , wherein the electrolyzer further comprises a water supplying pipe configured on and passing through the anode external plate, the anode conductive plate and the anode sealing plate to connect the anode chamber and a water tank; water from the water tank flows into the anode chamber through the water supplying pipe to replenish water in the anode chamber.

5 . The water electrolysis device of claim 1 , further comprising a fan drawing the air from the environment outside the water electrolysis device such that the air pump guiding the air into the air supplying tube, wherein the air supplying tube is connected to the hydrogen output tube of the electrolyzer to receive the hydrogen gas, and the air pump guiding the air into the air supplying tube to mix the air with the hydrogen gas.

6 . The water electrolysis device of claim 5 , further comprising an atomizing/volatile gas mixing tank connected to the air supplying tube and receiving the diluted hydrogen gas, and the atomizing/volatile gas mixing tank selectively generating an atomizing gas and mixing it with the hydrogen gas to form a health gas, wherein the atomizing gas is water vapor, atomizing potions or volatile essential oil.

7 . The water electrolysis device of claim 5 , wherein the lead angle is located at a connecting position of the air supplying tube and the air supplying interface, and the shape of the connecting position is an arc.

8 . The water electrolysis device of claim 7 , wherein the air supplying tube has a first flow direction, the air supplying interface has a second flow direction, the first flow direction points to the upper portion of the water electrolysis device, the second flow direction points to the air supplying tube, the lead angle is formed between the first flow direction and the second flow direction, the lead angle is preferably between 25 to 45 degrees, and the shape of the connecting position with the lead angle is made as a arc lead angle.

9 . The water electrolysis device of claim 5 , further comprising:
a hydrogen concentration detector coupled to the air supplying tube for detecting whether the hydrogen volume concentration in the air supplying tube is within a range from a first predetermined value to a second predetermined value, the hydrogen concentration detector generating a first warning signal when the detected volume concentration of the hydrogen is higher than the first predetermined value; and a controller coupled to the hydrogen concentration detector, the air pump and the electrolyzer, and the controller generating a start command to start up the air pump when receiving the first warning signal.

10 . The water electrolysis device of claim 9 , wherein the hydrogen concentration detector generates a second warning signal when the hydrogen concentration is higher than the second predetermined value; the controller generates a stop command to stop the electrolyzer when receiving the second warning signal, wherein the first predetermined value is 4%, the second predetermined value is 6%, and the range is 4%˜6%.

11 . The water electrolysis device of claim 1 , wherein the oxygen gas and the hydrogen gas are outputted from the same side of the electrolyzer.

12 . The water electrolysis device of claim 1 , further comprising a water level detecting device configured to detect the amount of water in the water tank.

13 . The water electrolysis device of claim 1 , wherein the volume of the water electrolysis device is less than 8.5 L, and a hydrogen generating rate of the water electrolysis device is located in a range between 120 ml/min and 600 ml/min.

14 . A water electrolysis device, comprising:
a case comprising a base, a side wall and a containing space; a power supplying unit configured in the containing space of the case and electrically connected to the water electrolysis device, wherein the power supplying unit comprises a high power output and a low power output, the electric power outputted by the low power output is equal to or less than half of that outputted by the high power output; an ion-exchange membrane electrolyzer configured in a non-central position of the case and electrically coupled to the high power output of the power supplying unit, the ion-exchange membrane electrolyzer comprising a first side, a second side, an ion-exchange membrane, a cathode, an anode, an oxygen output tube and a hydrogen output tube, the ion-exchange membrane being configured between the anode and the cathode; wherein when the ion-exchange membrane electrolyzer electrolyzes water, the cathode generates hydrogen gas which is then outputted by the hydrogen output tube, and the anode generates oxygen gas which is then outputted by the oxygen output tube; and an atomizing/volatile gas mixing tank coupled to the low power output of the power supplying unit, the atomizing/volatile gas mixing tank selectively generating an atomizing gas and mixing it with the hydrogen gas to form a health gas, wherein the atomizing gas is water vapor, atomizing potions or volatile essential oil.

15 . The water electrolysis device of claim 14 , wherein the anode is configured between the ion-exchange membrane and the second side; the cathode is configured between the ion-exchange membrane and the first side; the oxygen output tube extends from the position between the ion-exchange membrane and the second side to the second side and passes through the second side; and the hydrogen output tube extends from the position between the ion-exchange membrane and the first side to the second side and passes through the second side.

16 . The water electrolysis device o

Assignees

• Lin Hsin Yung

Inventors

• Lin Hsin-Yung

Classifications

• C02F2209/30

  H2 · CPC title

• C02F2209/42

  Liquid level · CPC title

• C02F1/008

  Control or steering systems not provided for elsewhere in subclass C02F · CPC title

• C02F1/46109

  Electrodes · CPC title

• A61M16/12

  by mixing different gases · CPC title