CN212967835U

CN212967835U - Sea surface magnesium/air battery with short circuit prevention structure

Info

Publication number: CN212967835U
Application number: CN202022006068.4U
Authority: CN
Inventors: 谷领峥; 褚铁俊
Original assignee: Dalian Aimeirui Battery Co ltd
Current assignee: Dalian Aimeirui Battery Co ltd
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2021-04-13
Anticipated expiration: 2030-09-15

Abstract

The utility model discloses a sea magnesium/empty battery with prevent short circuit structure, including magnesium/empty battery main part, the output of magnesium/empty battery main part is connected with DC/DC voltage converter through the wire, the output of magnesium/empty battery main part is connected at the output of charger, DC/DC voltage converter's output is connected with the load, DC/DC voltage converter's output is connected has the control unit, what the load was connected has a detection circuitry, magnesium/empty battery main part passes through charger and connects there is reserve lithium cell, what the control unit connects has the solenoid valve, the three solenoid valve of the equal fixedly connected with in magnesium/empty battery main part cavity bottom, the equal fixedly connected with electrolysis chamber in solenoid valve top. The utility model discloses in, after the solenoid valve of all cavitys was closed, magnesium empty battery main part was in insulating state with the sea water, and the electric current can not make each cavity short circuit through the sea water, reduces battery energy loss, improves output efficiency.

Description

Sea surface magnesium/air battery with short circuit prevention structure

Technical Field

The utility model relates to a battery technology field especially relates to sea magnesium/empty battery with prevent short circuit structure.

Background

The sea surface magnesium/air battery is a novel battery which takes metal magnesium and alloy thereof as fuel, air as oxidant and seawater as electrolyte, and the battery has low cost, environmental protection and no environmental pollution. The battery only needs to carry light magnesium alloy as fuel, and the oxidant and the electrolyte are both from air and seawater, so that the battery can stably provide electric energy for a long time.

Although sea surface magnesium/air batteries have a very strong advantage, there are some problems in use. Due to the open structure of the sea surface magnesium/air battery, the two-cavity or multi-cavity magnesium/air battery is easy to generate a short circuit phenomenon in the sea water due to the conductivity of the sea water, so that the energy loss of the battery is caused, and the output efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art, and providing a sea surface magnesium/air battery with a short-circuit prevention structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the sea surface magnesium/air battery with the short-circuit prevention structure comprises a magnesium/air battery main body, wherein the output end of the magnesium/air battery main body is connected with a DC/DC voltage converter through a lead, the output end of the magnesium/air battery main body is connected with the output end of a charger, the output end of the DC/DC voltage converter is connected with a load, the output end of the DC/DC voltage converter is connected with a control unit, the load is connected with a detection circuit, the magnesium/air battery main body is connected with a standby lithium battery through the charger, the control unit is connected with an electromagnetic valve, the bottom of a cavity of the magnesium/air battery main body is fixedly connected with the electromagnetic valve, the top of the electromagnetic valve is fixedly connected with an electrolysis cavity, the electrolysis cavities are multiple, and adjacent electrolysis cavities are connected in series; all be provided with the positive pole in the middle of the electrolysis chamber, the equal fixedly connected with negative pole in both sides about the electrolysis chamber, electrolysis chamber left side right side all is provided with the air chamber, all through connecting wire fixed connection between the negative pole of the positive pole left and right sides, magnesium empty battery main part is provided with the shell outward, shell top fixedly connected with exhaust hole, shell top inner wall is provided with the ventilated membrane.

As a further description of the above technical solution: the anodes are connected in series with the connecting line between the cathodes through the connecting line.

As a further description of the above technical solution: the breathable film is made of a high polymer material polytetrafluoroethylene film.

As a further description of the above technical solution: the electromagnetic valve is made of insulating material engineering plastics.

As a further description of the above technical solution: two air cavities at the lower end of the breathable film are communicated.

As a further description of the above technical solution: the left and right sides and the bottom of the air cavity are sealed.

The utility model discloses following beneficial effect has:

in the utility model, the output end of the magnesium/air battery main body is connected with a DC/DC voltage converter through a lead, a control unit is connected with a solenoid valve, the bottom of the cavity of the magnesium/air battery main body is fixedly connected with the solenoid valve, the top of the shell is fixedly connected with an exhaust hole, the inner wall of the top of the shell is provided with a breathable film, the DC/DC voltage converter supplies power to the control unit, when the control unit detects the output signal of the DC/DC voltage converter through a detection circuit, the solenoid valve at the bottom of each electrolytic cavity is closed, when the solenoid valves of all cavities are closed, the magnesium/air battery main body and seawater are in an insulation state, the current can not cause each cavity to be short-circuited through seawater, hydrogen generated by reaction in the electrolytic cavity of the battery can be discharged through the exhaust hole, air can enter the air cavity through, seawater can not permeate the breathable film to enter the air cavity, and at the moment, the sea surface magnesium/air battery continuously and stably supplies power for the load, so that the energy loss of the battery is reduced, the output efficiency is improved, and the seawater-permeable air-permeable solar water heater is worthy of being widely popularized.

Drawings

Fig. 1 is a schematic diagram of a cavity structure of a sea surface magnesium/air battery with a short-circuit prevention structure provided by the present invention;

fig. 2 is a schematic structural diagram of a sea surface magnesium/air battery with a short-circuit prevention structure according to the present invention.

Illustration of the drawings:

1. a magnesium/empty battery body; 2. a DC/DC voltage converter; 3. a load; 4. a charger; 5. a spare lithium battery; 6. a control unit; 7. a detection circuit; 8. an electromagnetic valve; 9. an electrolysis chamber; 10. an air chamber; 11. an anode; 12. a cathode; 13. a connecting wire; 14. a gas permeable membrane; 15. an exhaust hole; 16. a housing.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-2, the present invention provides an embodiment: a sea surface magnesium/air battery with a short-circuit prevention structure comprises a magnesium/air battery main body 1, wherein the output end of the magnesium/air battery main body 1 is connected with a DC/DC voltage converter 2 through a lead, the output end of the magnesium/air battery main body 1 is connected with the output end of a charger 4, the output end of the DC/DC voltage converter 2 is connected with a load 3, the output end of the DC/DC voltage converter 2 is connected with a control unit 6, the control unit 6 is powered through the DC/DC voltage converter 2, the load 3 is connected with a detection circuit 7, the magnesium/air battery main body 1 is connected with a standby lithium battery 5 through the charger 4, the control unit 6 is connected with an electromagnetic valve 8, the bottom of a cavity of the magnesium/air battery main body 1 is fixedly connected with three electromagnetic valves 8, and after the electromagnetic valves 8 are closed, the magnesium/air battery main body 1 and seawater are in an insulation state, the top parts of the electromagnetic valves 8 are fixedly connected with three electrolysis cavities 9, and the three electrolysis cavities 9 are connected in series in the embodiment; all be provided with positive pole 11 in the middle of electrolysis chamber 9, the equal fixedly connected with negative pole 12 of the equal both sides in electrolysis chamber 9 left and right sides, electrolysis chamber 9 left side right side all is provided with air chamber 10, all through connecting wire 13 fixed connection between the negative pole 12 of the positive pole 11 left and right sides, magnesium/empty battery main part 1 is provided with shell 16 outward, three exhaust hole 15 of shell 16 top fixedly connected with, the inner wall of shell 16 top is provided with ventilated membrane 14.

Anode 11 all establishes ties through connecting wire 13 between connecting wire 13 and the negative pole 12, and ventilated membrane 14 material is macromolecular material polytetrafluoroethylene film, and the air can be by ventilated membrane 14 entering air chamber 10 in, and solenoid valve 8's material is insulating material engineering plastics, and the electric current can not make each cavity short circuit through the sea water, and two air chambers 10 of ventilated membrane 14 lower extreme link up, and air chamber 10 left and right sides and bottom are sealed.

The working principle is as follows: when the sea surface magnesium/empty battery main body 1 is put into seawater, seawater flows into each electrolytic cavity 9 from the bottom of the battery through the electromagnetic valve 8, air in the electrolytic cavities 9 can be smoothly discharged due to the arrangement of the exhaust holes 15, the internal pressure and the external pressure are equal, the electrolytic cavities 9 are quickly filled with the seawater, the magnesium/empty battery main body 1 starts to generate electricity and supplies power to the control unit 6 through the DC/DC voltage converter 2, the control unit 6 closes the electromagnetic valve 8 at the bottom of each electrolytic cavity 9 when detecting an output signal of the DC/DC voltage converter 2 through the detection circuit 7, when the electromagnetic valves 8 of all cavities are closed, the cavity of the magnesium/empty battery main body 1 and the seawater are in an insulation state, current cannot cause each cavity to be short-circuited through the seawater, the magnesium/empty battery main body 1 supplies power to the load 3 and charges the standby lithium battery 5 through the charger 4, hydrogen generated by reaction in the cell electrolysis cavity 9 can be exhausted from the exhaust hole 15, air can enter the air cavity 10 from the breathable film 14 to continuously provide an oxidant for cell reaction, seawater can not enter the air cavity 10 through the breathable film 14, at this time, the sea surface magnesium/air cell main body 1 continuously and stably supplies power to the load 3, after the magnesium/air cell main body 1 works for a period of time, the reactant magnesium hydroxide and anode 11 residues of the electrolyte can be increased, so that the internal resistance of the cell is increased, the output efficiency is reduced, when the detection circuit 7 detects that the output power of the DC/DC voltage converter 2 is reduced, the control unit 6 can control the electromagnetic valve 8 of one of the cavities to be opened, due to the action of sea waves, the sea surface magnesium/air cell main body 1 is in an up-down fluctuation state, so that the seawater can exchange with the electrolyte in the electrolysis cavity 9, and the reactant magnesium hydroxide and the anode 11 residues can fall into the seawater, at this moment, the electromagnetic valves 8 of other cavities are still in a closed state and still in an insulation state with seawater, short circuit cannot be caused, when the set time is up, the control unit 6 closes the electromagnetic valves 8 of the cavity, then the electromagnetic valves 8 of other cavities are opened in sequence in a circulating manner, when the circulation is performed for a circle, after the electrolyte of each cavity is completely replaced, the control unit 6 closes all the electromagnetic valves 8, and the magnesium/air battery main body 1 continues to stably supply power for the load 3.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A sea surface magnesium/air battery with a short-circuit prevention structure, comprising a magnesium/air battery body (1), characterized in that: the output end of the magnesium/empty battery main body (1) is connected with a DC/DC voltage converter (2) through a lead, the output end of the magnesium/empty battery main body (1) is connected with the output end of a charger (4), the output end of the DC/DC voltage converter (2) is connected with a load (3), the output end of the DC/DC voltage converter (2) is connected with a control unit (6), the load (3) is connected with a detection circuit (7), the magnesium/empty battery main body (1) is connected with a standby lithium battery (5) through the charger (4), the control unit (6) is connected with an electromagnetic valve (8), the bottom of the cavity of the magnesium/empty battery main body (1) is fixedly connected with the electromagnetic valve (8), the top of the electromagnetic valve (8) is fixedly connected with an electrolytic cavity (9), and the electrolytic cavity (9) is multiple, the adjacent electrolysis cavities (9) are connected in series; all be provided with positive pole (11) in the middle of electrolysis chamber (9), the equal fixedly connected with negative pole (12) of electrolysis chamber (9) left and right sides, electrolysis chamber (9) left side right side all is provided with air chamber (10), all through connecting wire (13) fixed connection between negative pole (12) of positive pole (11) left and right sides, magnesium/empty battery main part (1) is provided with shell (16) outward, shell (16) top fixedly connected with exhaust hole (15), shell (16) top inner wall is provided with ventilated membrane (14).

2. The sea surface magnesium/air battery with the short circuit prevention structure as claimed in claim 1, wherein: the anodes (11) are connected with the cathode (12) through a connecting line (13) between the connecting line (13) and the cathode (12).

3. The sea surface magnesium/air battery with the short circuit prevention structure as claimed in claim 1, wherein: the breathable film (14) is made of a high polymer material polytetrafluoroethylene film.

4. The sea surface magnesium/air battery with the short circuit prevention structure as claimed in claim 1, wherein: the electromagnetic valve (8) is made of insulating material engineering plastics.

5. The sea surface magnesium/air battery with the short circuit prevention structure as claimed in claim 1, wherein: the two air cavities (10) at the lower end of the air-permeable membrane (14) are communicated.

6. The sea surface magnesium/air battery with the short circuit prevention structure as claimed in claim 1, wherein: the left and right sides and the bottom of the air cavity (10) are sealed.