A pure water electrolysis hydrogen production device

Abstract

This invention relates to a pure water electrolysis hydrogen production device, comprising a shell, a controller, and a hydrogen-oxygen generation system. The hydrogen-oxygen generation system includes a water tank, an electrolytic cell, a vent pipe, a drain outlet, and a gas outlet. The water tank has an inlet on its upper side and is primarily used to hold the water to be electrolyzed. The electrolytic cell is located below the water tank, and the lower end of the water tank is connected to the lower end of the electrolytic cell via an inlet pipe. One end of the vent pipe is connected to the inlet pipe, and the other end is located above the water tank. During the process of water entering the electrolytic cell from the lower end of the water tank through the inlet pipe, air in the original inlet pipe is discharged into the upper side of the water tank through the vent pipe, making the water flow from the water tank to the electrolytic cell faster. The gas outlet is used to discharge the gas generated in the electrolytic cell. Handles are provided on both sides of the shell for easier movement of the entire pure water electrolysis hydrogen production device. The controller is fixedly connected to the shell and is used to control the power supply to the electrolytic cell.

Description

Technical Field

[0001] The invention relates to the field of hydrogen production equipment, and in particular to a pure water electrolysis hydrogen production device. Background Art

[0002] At present, the use of water electrolysis to produce hydrogen is a common way for people to obtain hydrogen in their daily lives. Chinese Patent No. 201910043216.9 discloses a hydrogen-oxygen generator, which is equipped with a hydrogen-oxygen generating assembly and a water tank. The water tank supplies water to the hydrogen-oxygen generating assembly, and the hydrogen-oxygen generating assembly electrolyzes water through positive and negative electrodes to produce hydrogen and oxygen. The hydrogen-oxygen generator is usually equipped with a main hydrogen outlet connector. Users can inhale hydrogen by connecting the main hydrogen outlet connector through the suction pipe. However, when the water tank supplies water to the hydrogen-oxygen generator, the air in the middle water pipe cannot be discharged in time, making it inconvenient for the water tank to supply water to the hydrogen-oxygen generator. Summary of the invention

[0003] The purpose of the present invention is to provide a pure water electrolysis hydrogen production device to solve the problem of inconvenience in supplying water from a water tank to a hydrogen-oxygen generator.

[0004] To achieve the above object, the present invention adopts the following technical solution:

[0005] A hydrogen and oxygen generating system for a pure water electrolysis hydrogen production device comprises a water tank, an electrolytic cell, a vent pipe, a drain port and an air outlet;

[0006] A water inlet is provided on the upper side of the water tank;

[0007] The electrolytic cell is located at the lower side of the water tank, and the lower end of the water tank is connected to the position near the lower end of the electrolytic cell through a water inlet pipe;

[0008] One end of the ventilation pipe is connected to the water inlet pipe, and the other end of the ventilation pipe is located on the upper side of the water tank, and the ventilation pipe is connected to the water tank;

[0009] The drain port is in communication with the water inlet pipe;

[0010] The gas outlet is communicated with the electrolytic cell, and the gas outlet is used to discharge the gas generated in the electrolytic cell.

[0011] Furthermore, it also includes a first air outlet pipe, one end of which is connected to the air outlet, and the other end of which is connected to a position of the electrolytic cell near the upper end.

[0012] Furthermore, it also includes a second air outlet pipe, the upper end of the second air outlet pipe is connected to the water tank, and the lower end of the second air outlet pipe is connected to the electrolytic cell.

[0013] A pure water electrolysis hydrogen production device comprises a housing, a controller and the above-mentioned hydrogen and oxygen generation system;

[0014] Handles are provided on both sides of the shell, a clamping hole is provided on the shell, and an air outlet is fixedly connected in the clamping hole;

[0015] The controller is fixedly connected to the housing, and is used to control power supply to the electrolytic cell.

[0016] Furthermore, a through hole is opened on the upper side of the shell, the water inlet is located in the through hole, and a water retaining cover is threadedly connected to the water inlet.

[0017] Furthermore, a water-gas separation box is fixedly connected to the upper side of the water tank, the water-gas separation box is communicated with the water tank, and the water-gas separation box is located on the first air outlet pipe.

[0018] Furthermore, the water-gas separation box comprises a separation chamber, a floating head, a fixed head, a chamber cover and a baffle;

[0019] The upper end of the water tank is recessed toward the inner side of the water tank to form a separation chamber, and a separation hole is opened at the lower side of the separation chamber;

[0020] The floating head is located in the separation chamber, a placement groove is provided on the lower side of the floating head, and an air vent is provided on the floating head, and the air vent is communicated with the placement groove;

[0021] The fixed head is located in the placement groove, the lower end of the fixed head is located on the upper side of the separation hole, and the fixed head is fixedly connected to the floating head;

[0022] The bin cover is fixedly connected to the open end of the separation bin, and the bin cover is connected to two connecting pipes, one of which is used to connect to the first air outlet pipe;

[0023] The number of the baffles is two, the two baffles are fixedly connected to the bin cover, and the two connecting pipes face the baffles respectively.

[0024] Furthermore, a hardness tester is fixedly connected to the water inlet pipe.

[0025] Furthermore, an air outlet fixing hole is provided near the lower end of the shell, and the air outlet is fixedly connected to the air outlet fixing hole.

[0026] Furthermore, an observation window is provided on the front of the shell, and a portion of the water tank near the observation window is made of a transparent material.

[0027] Beneficial effects of the present invention:

[0028] The water tank can store water, and the electrolyzer can electrolyze the water in the electrolyzer to form hydrogen and oxygen. The hydrogen is discharged through the exhaust port, and the oxygen enters the water tank through the pipeline and is discharged through the water inlet on the upper side of the water tank. The water tank and the electrolyzer are separated by the setting of the water channel, and the water in the water tank can flow into the electrolyzer through the water inlet pipe. The vent pipe allows the air originally in the water inlet pipe to flow back into the water tank, thereby avoiding water flow obstruction caused by air pressure. At the same time, a controller is used to control the power supply of the electrolyzer, which is more convenient to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic diagram of the overall external structure of a pure water electrolysis hydrogen production device;

[0030] Figure 2 It is a schematic diagram of the internal structure of a pure water electrolysis hydrogen production device;

[0031] Figure 3 The present invention is a structural schematic diagram of the water-gas separation box part in a pure water electrolysis hydrogen production device.

[0032] The names corresponding to the marks in the figure are:

[0033] 1-housing; 11-observation window; 12-air outlet fixing hole; 13-handle; 14-through hole; 2-controller; 3-water retaining cover; 4-water tank; 5-electrolyzer; 6-water-gas separation box; 61-separation chamber; 611-separation hole; 62-floating head; 621-air vent; 622-placing slot; 63-fixed head; 64-chamber cover; 65-baffle; 71-air outlet; 72-first air outlet pipe; 73-second air outlet pipe; 74-water inlet pipe; 75-vent pipe; 76-drain outlet; 77-hardness tester. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0035] Embodiments of the present invention:

[0036] See attached Figure 1-3 A pure water electrolysis hydrogen production device comprises a housing 1, a controller 2 and a hydrogen and oxygen generating system; the hydrogen and oxygen generating system for the pure water electrolysis hydrogen production device comprises a water tank 4, an electrolytic cell 5, a vent pipe 75, a drain port 76 and an air outlet 71; a water inlet is provided on the upper side of the water tank 4, and the water tank 4 is mainly used to hold water to be electrolyzed, and water is added into the water tank 4 through the water inlet.

[0037] The electrolytic cell 5 is located at the lower side of the water tank 4 , and the lower end of the water tank 4 is connected to the position near the lower end of the electrolytic cell 5 via a water inlet pipe 74 , so that the water in the water tank 4 can enter the electrolytic cell 5 through the water inlet pipe 74 , thereby completing the electrolysis of water in the electrolytic cell 5 .

[0038] One end of the vent pipe 75 is connected to the water inlet pipe 74, and the other end of the vent pipe 75 is located on the upper side of the water tank 4. The vent pipe 75 is connected to the water tank 4. In the process of water from the lower end of the water tank 4 entering the electrolytic cell 5 through the water inlet pipe 74, the air in the original water inlet pipe 74 needs to be discharged. The air in the original water inlet pipe 74 can be discharged into the upper side of the water tank 4 through the vent pipe 75, thereby making the water flow from the water tank 4 to the electrolytic cell 5 faster.

[0039] The water outlet 76 is connected to the water inlet pipe 74 ; the air outlet 71 is connected to the electrolytic cell 5 , and the air outlet 71 is used to discharge the air in the electrolytic cell 5 .

[0040] Handles 13 are provided on both sides of the shell 1, and the handles 13 can be used to more conveniently move the entire pure water electrolysis hydrogen production device. A snap-in hole is provided on the shell 1, and an air outlet 71 is fixedly connected in the snap-in hole; the controller 2 is fixedly connected to the shell 1, and the controller 2 is used to control the power supply to the electrolytic cell 5.

[0041] The water tank 4 can store water, and the electrolytic cell 5 can electrolyze the water in the electrolytic cell 5 to form hydrogen and oxygen. The hydrogen is discharged through the exhaust port, and the oxygen enters the water tank 4 through the pipeline and is discharged through the water inlet on the upper side of the water tank 4. The water tank 4 and the electrolytic cell 5 are separated by the setting of the water channel, and the water in the water tank 4 can flow into the electrolytic cell 5 through the water inlet pipe 74. The vent pipe 75 allows the air originally in the water inlet pipe 74 to flow back into the water tank 4, thereby avoiding the water flow being blocked due to air pressure. At the same time, the controller 2 is used to control the power supply of the motor slot, which is more convenient to operate.

[0042] The hydrogen and oxygen generating system also includes a first gas outlet pipe 72, one end of which is connected to the gas outlet 71, and the other end of the first gas outlet pipe 72 is connected to the position of the electrolyzer 5 near the positive electrode of the upper electrode. There are two first gas outlet pipes 72, and two gas outlets 71. The two gas outlets 71 are respectively located on both sides of the housing 1. Through the arrangement of the two gas outlets 71, hydrogen can overflow in multiple directions of the pure water electrolysis hydrogen production device, making it more convenient to use. At the same time, it can also be used by multiple people.

[0043] The hydrogen and oxygen generating system further includes a second gas outlet pipe 73, the upper end of which is connected to the water tank 4, and the lower end of which is connected to the negative electrode of the electrolytic cell 5. During the electrolysis reaction, the oxygen wrapped around the negative electrode overflows upward, passes through the second gas outlet pipe 73, and enters the water tank 4.

[0044] An observation window 11 is provided on the front of the housing 1, and a transparent material is provided near the observation window 11 on the water tank 4. Through the observation window 11 and the outside of the water tank 4, the bubbles rolling in the water tank 4 can be observed, and it can be more clearly observed whether the pure water electrolysis hydrogen production device is in the open state.

[0045] The upper side of the housing is provided with a through hole 14, the water inlet is located in the through hole 14, and the water inlet is threadedly connected with a water retaining cover 3. The water retaining cover 3 is provided with a hole so that the gas in the water tank 4 can overflow.

[0046] A water-gas separation box 6 is fixedly connected to the upper side of the water tank 4. The water-gas separation box 6 is communicated with the water tank 4. The water-gas separation box 6 is located on the first air outlet pipe 72. When hydrogen overflows from the first air outlet pipe 72, the hydrogen will bring out some water. The water-gas separation box 6 can absorb some of the water brought out by the hydrogen and return the absorbed water to the water tank 4.

[0047] The water vapor separation box 6 includes a separation chamber 61, a floating head 62, a fixed head 63, a chamber cover 64 and a baffle; the upper end of the water tank 4 is recessed toward the inner side of the water tank 4 to form the separation chamber 61, and the lower center position of the separation chamber 61 protrudes upward to form a water retaining protrusion, and a separation hole 611 is opened on the water retaining protrusion, and the separation hole 611 is used to discharge the water from the separation chamber 61.

[0048] The floating head 62 is located in the separation chamber 61. A placement groove 622 is provided on the lower side of the floating head 62. An air vent 621 is provided on the floating head 62. The air vent 621 is connected to the placement groove 622. The floating head 62 is made of PP material. The water in the separation chamber 61 can float the floating head 62. The air vent 621 is used to pass air, so that the floating head 62 is easier to float.

[0049] The fixed head 63 is located in the placement groove 622, the lower end of the fixed head 63 is located on the upper side of the separation hole 611, the fixed head 63 and the placement groove 622 are fixedly connected, the hardness of the fixed head 63 is 30 degrees, the fixed head 63 is used to block the gas in the water tank 4, and the air hole 621 is used to discharge the air between the placement groove 622 and the fixed head 63 when the gas in the water tank 4 squeezes the fixed head 63. The fixed head 63 can be floated by water, so that water can enter the water tank 4 through the separation hole 611.

[0050] The bin cover 64 is fixedly connected to the open end of the separation bin 61. Two connecting pipes are connected to the bin cover 64. One of the connecting pipes is used to connect to the first air outlet pipe 72. There are two baffles 65. The two baffles 65 are fixedly connected to the bin cover 64. The two connecting pipes face the baffles 65 respectively. Water falls after hitting the baffles 65, thereby achieving separation.

[0051] A hardness detector 77 is fixedly connected to the water inlet pipe 74 to determine whether the water quality is qualified by detecting the hardness of the water.

[0052] The housing 1 is provided with an air outlet fixing hole 12 near the lower end, and the air outlet 71 is fixedly connected to the air outlet fixing hole 12. The air outlet is marked on one side of the air outlet fixing hole 12, so that the air outlet position can be found more quickly during use, which is more convenient to use.

[0053] The method of using the present invention:

[0054] When in use, first fill the water tank 4 with water, the water in the water tank 4 will enter the electrolytic cell 5 through the water inlet pipe 74, the air in the original water inlet pipe 74 will enter the water tank 4 through the ventilation pipe 75, the controller 2 will control the electrodes in the electrolytic cell to start, the oxygen produced by the positive electrode of the electrolytic cell 5 can enter the water tank 4 through the second outlet pipe 73, after the bubbles are generated in the water tank 4, they are discharged into the atmosphere through the water retaining cover 3, the hydrogen produced by the negative electrode of the electrolytic cell 5 passes through the first outlet pipe 72 and the outlet 71, and a conduit capable of guiding the gas is plugged into the outlet 71, so that the hydrogen can be guided to the corresponding position.

[0055] When it is necessary to drain the water in the water tank 4 and the electrolytic cell 5, open the drain port 76, which is connected to the water inlet pipe 74, and the water inlet pipe 74 is connected to the water tank 4 and the electrolytic cell 5 respectively. Therefore, when the drain port 76 is opened, the air in the water tank 4 and the electrolytic cell 5 can be discharged.

[0056] The present invention is not limited to the above-mentioned optimal implementation mode. Anyone can derive other various forms of products under the inspiration of the present invention. However, no matter what changes are made in the shape or structure, all technical solutions that are the same or similar to those of the present application fall within the protection scope of the present invention.

Claims

1. A pure water electrolysis hydrogen production device, characterized in that: It includes a housing, a controller and a hydrogen and oxygen generating system; The hydrogen and oxygen generating system comprises a water tank, an electrolyzer, a vent pipe, a drain port, an air outlet, a first air outlet pipe and a second air outlet pipe; A water inlet is provided on the upper side of the water tank; The electrolytic cell is located at the lower side of the water tank, and the lower end of the water tank is connected to the position near the lower end of the electrolytic cell through a water inlet pipe; One end of the ventilation pipe is connected to the water inlet pipe, and the other end of the ventilation pipe is located on the upper side of the water tank, and the ventilation pipe is connected to the water tank; The drain port is in communication with the water inlet pipe; The gas outlet is in communication with the electrolytic cell, and the gas outlet is used to discharge the gas generated in the electrolytic cell; One end of the first gas outlet pipe is connected to the gas outlet, and the other end of the first gas outlet pipe is connected to a position close to the upper end of the electrolytic cell; The upper end of the second air outlet pipe is communicated with the water tank, and the lower end of the second air outlet pipe is communicated with the electrolytic cell; Handles are provided on both sides of the shell, a clamping hole is provided on the shell, and an air outlet is fixedly connected in the clamping hole; The controller is fixedly connected to the housing, and the controller is used to control the power supply to the electrolytic cell; A water-gas separation box is fixedly connected to the upper side of the water tank, the water-gas separation box is communicated with the water tank, and the water-gas separation box is located on the first air outlet pipe; The water-gas separation box comprises a separation chamber, a floating head, a fixed head, a chamber cover and a baffle; The upper end of the water tank is recessed toward the inner side of the water tank to form a separation chamber, and a separation hole is opened at the lower side of the separation chamber; The floating head is located in the separation chamber, a placement groove is provided on the lower side of the floating head, and an air vent is provided on the floating head, and the air vent is communicated with the placement groove; The fixed head is located in the placement groove, the lower end of the fixed head is located on the upper side of the separation hole, and the fixed head is fixedly connected to the floating head; The bin cover is fixedly connected to the open end of the separation bin, and the bin cover is connected to two connecting pipes, one of which is used to connect to the first air outlet pipe; The number of the baffles is two, the two baffles are fixedly connected to the bin cover, and the two connecting pipes face the baffles respectively.

2. A pure water electrolysis hydrogen production device according to claim 1, characterized in that: A through hole is provided on the upper side of the shell, the water inlet is located in the through hole, and a water retaining cover is threadedly connected to the water inlet.

3. A pure water electrolysis hydrogen production device according to claim 1, characterized in that: The water inlet pipe is fixedly connected with a hardness detector.

4. A pure water electrolysis hydrogen production device according to claim 1, characterized in that: An air outlet fixing hole is provided near the lower end of the shell, and the air outlet is fixedly connected to the air outlet fixing hole.

5. A pure water electrolysis hydrogen production device according to claim 1, characterized in that: An observation window is provided on the front of the shell, and a position on the water tank near the observation window is made of transparent material.

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