CN218160599U - Low-temperature starting system for metal-air battery - Google Patents
Low-temperature starting system for metal-air battery Download PDFInfo
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- CN218160599U CN218160599U CN202220197967.3U CN202220197967U CN218160599U CN 218160599 U CN218160599 U CN 218160599U CN 202220197967 U CN202220197967 U CN 202220197967U CN 218160599 U CN218160599 U CN 218160599U
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Abstract
The utility model discloses a metal air is low temperature starting system for battery, including electrolyte case, galvanic pile case, governor pump and infusion pipeline, still include first individual solenoid valve, second individual solenoid valve, third individual solenoid valve, controller, reserve infusion pipeline and storage box. The utility model discloses an electrolyte delivery pipe who has newly increased a transfer line on current electrolyte case to pile case's electrolyte delivery pipe, and increased the storage box of V hopper on new transfer line, the bottom both sides set up inlet and liquid outlet, thereby can realize when low temperature, during the start-up, let electrolyte through newly-increased storage box's transfer line on, contact with the KOH that sets up placing on V type hopper, because KOH dissolves in water and can release heat, the temperature of electrolyte is promoted promptly, realized utilizing metal-air battery system self heat to solve the problem of low temperature start.
Description
Technical Field
The utility model relates to an air battery technical field especially relates to a low temperature starting system for metal-air battery.
Background
A metal/air cell is an electrochemical reaction device which adopts metal (such as aluminum, zinc and the like) as anode fuel, oxygen in air as an oxidant and alkali liquor as electrolyte solution. The metal reserves such as aluminium, zinc, etc. are abundant and cheap in our country, therefore the metal/air battery has wide application prospect in many fields of mobile power supplies such as communication power supply, field emergency power supply, lighting power supply and reserve power supply of our country. In order to improve the commercial practicability of the battery, the battery needs to be operated and maintained conveniently and has good environmental adaptability, wherein the low-temperature storage, starting and running performances of the battery are common problems which restrict metal/air and other fuel batteries and lithium ion batteries, and as the environmental temperature is reduced, the starting of a battery system is difficult, and the capacity is reduced and the use is difficult.
In the prior art, aiming at the problems of long starting time and poor discharge performance in a low-temperature environment, an electric heating mode is usually adopted to improve the temperature of an electrolyte solution, and the method consumes an extra power supply and can cause the system to be complicated.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a low temperature start-up system for metal-air battery can solve the problem of low temperature start-up, and simultaneously, system simple structure easily operates.
The utility model adopts the technical proposal that:
a low-temperature starting system for a metal-air battery comprises an electrolyte tank, a galvanic pile tank, a speed regulating pump and a liquid conveying pipeline, wherein a liquid outlet of the electrolyte tank is communicated with a liquid inlet of the galvanic pile tank through the speed regulating pump and the liquid conveying pipeline; the electric pile box comprises a speed regulating pump, a first single solenoid valve, a second single solenoid valve, a third single solenoid valve, a controller, a standby infusion pipeline and a storage box, wherein one end of the standby infusion pipeline is communicated with a liquid outlet of the speed regulating pump, the other end of the standby infusion pipeline is communicated with a liquid inlet of the storage box, and a liquid outlet of the storage box is communicated with a liquid inlet of the electric pile box; the first single-phase electromagnetic valve is arranged on a liquid conveying pipe between a liquid outlet of the speed regulating pump and a liquid inlet of the pile box, the second one-way electromagnetic valve and the third one-way electromagnetic valve are respectively arranged on a standby liquid conveying pipeline on which the liquid inlet and the liquid outlet of the discharging box are arranged, and the controller is used for controlling the opening and closing of the first single-phase electromagnetic valve, the second single-phase electromagnetic valve and the third single-phase electromagnetic valve; the storage box include box body and sealed lid that sets up, box body bottom both sides are provided with inlet and liquid outlet relatively, can dismantle in the box body and be provided with V type funnel, the bottom of V type funnel has the take the altitude with the bottom of box body, has placed dry K2O in the V type funnel.
The electrolytic cell is characterized by further comprising a first thermometer, a second thermometer and a third thermometer, wherein the first thermometer, the second thermometer and the third thermometer are respectively arranged on a liquid outlet of the galvanic pile box, a liquid inlet of the galvanic pile box and a liquid conveying pipeline of a liquid outlet of the electrolyte box, and output ends of the first thermometer, the second thermometer and the third thermometer are connected with an input end of the controller.
The automatic control device also comprises a flow automatic control valve, wherein the flow automatic control valve is arranged on a liquid conveying pipeline between the liquid outlet of the pile box and the liquid inlet of the electrolyte box, and the input end of the flow automatic control valve is connected with the output end of the controller.
The electric pile box further comprises a fourth single-phase electromagnetic valve, and the fourth single-phase electromagnetic valve and the first single-phase electromagnetic valve are respectively arranged on the liquid conveying pipeline close to the liquid inlet of the electric pile box or between the liquid outlets of the speed regulating pumps.
A sealing gasket is arranged between the box cover and the box body, and the box cover and the box body are sealed through bolts.
A heat insulation layer is arranged outside the standby infusion pipeline.
The utility model discloses an electrolyte pipeline has newly increased a infusion pipeline on current electrolyte case to pile case's electrolyte pipeline, and increased the storage box on new infusion pipeline, set up the V hopper in the storage box, the bottom both sides set up inlet and liquid outlet, the switching and temperature sensor's of solenoid valve of arranging again surveys, thereby can realize when low temperature, during the start-up, let electrolyte pass through on the infusion pipeline of newly-increased storage box, contact with the KOH that sets up and place on V type hopper, because KOH dissolves in water and can release heat, the temperature of electrolyte is promoted promptly, get into pile case back, metal-air battery also can produce a large amount of heats at the power generation in-process, thereby make electrolyte satisfy the temperature of start-up, realized utilizing metal-air battery system self heat to solve the problem of low temperature start-up, the overall structure is simple, easy control is put, and is effectual.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic block diagram of the present invention;
fig. 2 is a schematic structural view of the storage case of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art based on the embodiments of the present invention without inventive step, are within the scope of the present invention.
The utility model comprises an electrolyte tank, a galvanic pile tank, a speed regulating pump and a liquid conveying pipeline, wherein the liquid outlet of the electrolyte tank is communicated with the liquid inlet of the galvanic pile tank through the speed regulating pump and the liquid conveying pipeline, and the liquid outlet of the galvanic pile tank is communicated with the liquid inlet of the electrolyte tank; the method is characterized in that: the electric pile box comprises a speed regulating pump, a first single solenoid valve, a second single solenoid valve, a third single solenoid valve, a controller, a standby infusion pipeline and a storage box, wherein one end of the standby infusion pipeline is communicated with a liquid outlet of the speed regulating pump, the other end of the standby infusion pipeline is communicated with a liquid inlet of the storage box, and a liquid outlet of the storage box is communicated with a liquid inlet of the electric pile box; the first single-phase electromagnetic valve is arranged on a liquid conveying pipe between a liquid outlet of the speed regulating pump and a liquid inlet of the pile box, the second one-way electromagnetic valve and the third one-way electromagnetic valve are respectively arranged on a standby liquid conveying pipeline on which the liquid inlet and the liquid outlet of the discharging box are arranged, and the controller is used for controlling the opening and closing of the first single-phase electromagnetic valve, the second single-phase electromagnetic valve and the third single-phase electromagnetic valve; the storage box comprises a box body 5 and a box cover 1 which is arranged in a sealing manner, wherein a liquid inlet 6 and a liquid outlet 4 are oppositely arranged on two sides of the bottom of the box body 5, a V-shaped funnel 3 is detachably arranged in the box body 5, the bottom of the V-shaped funnel 3 and the bottom of the box body 5 have a certain height, and a dry K is arranged in the V-shaped funnel 3 2 O。
The utility model discloses a set up reserve infusion pipeline, combine to set up the storage box on the reserve infusion pipeline, set up V type hopper in the storage box, place K in the V type hopper 2 O, so that K can be realized when the standby infusion pipeline is started 2 O reacts with water in the electrolyte, and the reaction generates a large amount of heat to generate KOH, belonging to exothermic reaction; KOH belongs to an alkaline substance and emits a large amount of heat when dissolved in water; KOH and CO dissolved in water 2 A chemical reaction takes place to generate K 2 CO 3 And the heat is released continuously.
Therefore, the temperature rise of the electrolyte can be realized by the heat generated in the process, and the hopper-shaped arrangement is beneficial toScouring with electrolyte flow and K 2 The self weight of the O is in gliding fit, so that slow release is realized, the heating is uniform and effective, and the low-temperature starting is realized.
The electrolytic cell system is characterized by further comprising a first thermometer, a second thermometer and a third thermometer, wherein the first thermometer, the second thermometer and the third thermometer are respectively arranged on a liquid outlet of the galvanic pile box, a liquid inlet of the galvanic pile box and a liquid conveying pipeline of a liquid outlet of the electrolytic liquid box, the third thermometer is used for monitoring the system state, and output ends of the first thermometer, the second thermometer and the third thermometer are connected with an input end of the controller. Through setting up the thermometer, gather the temperature of galvanic pile case liquid outlet and electrolyte case liquid outlet respectively and come real-time judgement electrolyte's temperature and whether satisfy the start-up demand to start the cold start or warm start often according to the demand of reality.
The automatic control device also comprises a flow automatic control valve, wherein the flow automatic control valve is arranged on a liquid conveying pipeline between the liquid outlet of the pile box and the liquid inlet of the electrolyte box, and the input end of the flow automatic control valve is connected with the output end of the controller. Through the setting of flow automatic control valve, the velocity of flow of adjustment electrolyte circulation system that can be fine avoids the influence that too fast or slow brought.
The electric pile box further comprises a fourth single-phase electromagnetic valve, and the fourth single-phase electromagnetic valve and the first single-phase electromagnetic valve are respectively arranged on the liquid conveying pipeline close to the liquid inlet of the electric pile box or between the liquid outlets of the speed regulating pumps. The two single-phase electromagnetic valves are arranged on the existing infusion pipeline, so that when the infusion pipeline is switched with a standby infusion pipeline, the zero infusion pipeline can not flow back and the like.
And a sealing gasket 2 is arranged between the box cover and the box body, and the box cover and the box body are sealed through bolts. Through the setting that the lid closed sealed pad, realized the detachability of device, can be according to the supplementary K that the demand of reality was even 2 And O. Storage box be used for storing dry K 2 O, when the electrolyte flows through the storage case, and K 2 The O reaction generates heat, heating the electrolyte.
The opening at the lower part of the conical funnel is very small, is close to the bottom of the box body and is generally arranged at 1cm.
During dry storage, liquid electrolytic solution does not flow through the storage box, and most of K flows through the storage box 2 O is stored in the conical storage hopper, and a small part of O is positioned between the conical storage hopper and the storage box and is encircled by a virtual frame. Because the diameter of the bottom of the conical funnel is small and the distance from the bottom of the storage box is short, the electrolyte in the storage hopper is supported by the electrolyte at the bottom A. When electrolyte needs to be heated, the one-way third one-way electromagnetic valve is opened firstly, the one-way second one-way electromagnetic valve is kept closed, and the electrolyte enters the storage box. Electrolyte can constantly dissolve A department's electrolyte in the storage process, and A department's electrolyte dissolves the back, and storage hopper upper portion electrolyte loses the support, under the action of gravity, toward the bottom landing, the A department of filling that continues to break, is dissolved by electrolyte again after the packing, and storage hopper upper portion electrolyte continues down the landing and fills A department, and circulation so, after the electrolyte is saturated in the storage box, A department's electrolyte does not dissolve again, continues to support storage hopper upper portion electrolyte. At the same time, the one-way second one-way electromagnetic valve is opened, and the electrolyte enters the electric pile through the liquid outlet. When the storage case is inside K 2 After the O is completely reacted, the upper cover is opened, and new K can be added 2 O。
The electric pile is composed of an air cathode, an aluminum anode and the like, is a metal-air battery power supply generation place, electrolyte is stored in the electrolyte box, the electrolyte is brought into the electric pile under the action of the pump, and the electric pile generates chemical reaction to release electric energy. The automatic flow control valve can control the flow of liquid. Cold electrolyte flows out from the electrolyte box, and reacts through the storage box, produces heat and heats electrolyte, and electrolyte reentrant pile, air electrode and aluminium positive pole take place chemical reaction under the electrolyte effect in the pile, produce the heat and further heat electrolyte, satisfy metal-air battery low temperature start requirement.
The spare infusion pipeline is externally provided with a heat insulation layer, namely, as shown in figure 1, a pipeline from the third unidirectional electromagnetic valve to the outlet of the galvanic pile is subjected to heat insulation treatment, and measures such as wrapping heat insulation cotton can be taken. The liquid path indicated by the solid line in the figure flows, and the electric control monitoring indicated by the broken line.
In actual use, the utility model discloses a concrete working process as follows:
1. an initial state: all valves are closed.
2. When the system works, the controller firstly detects the temperature of the first thermometer, when the temperature is lower than a set threshold value k1 (such as 25 ℃), the environment is judged to be a low-temperature environment, and when the temperature of the first thermometer is higher than the set threshold value k1, the environment is judged to be a normal-temperature environment.
3. When the electrolyte is in a low-temperature environment, the controller opens the one-way third one-way electromagnetic valve, and the electrolyte enters the storage box and the K 2 And (4) heating by reaction, and when the set time T1 is reached and the solution is completely saturated, opening a one-way second one-way electromagnetic valve by the controller, and allowing the electrolyte to enter the electric pile for reaction.
4. The controller detects the temperature of electrolyte at the outlet of the galvanic pile in real time, namely the temperature value of the second thermometer, and when the temperature value of the second thermometer is lower than a set value, the controller closes the speed regulating pump to store, react and heat the electrolyte in the galvanic pile.
5. When the temperature of the second thermometer is lower than a set threshold value k3 (such as 25 ℃), the internal temperature of the galvanic pile is judged to be in a low-temperature state, and when the temperature of the second thermometer is higher than the set threshold value k3, the internal temperature of the galvanic pile is judged to be in a normal-temperature state. When the temperature of the galvanic pile is in a low-temperature state, the flow automatic control valve is kept in a closed state continuously, and when the temperature of the galvanic pile is in a normal-temperature state, the flow automatic control valve is adjusted to be in an open state, the flow automatic control valve is opened at a small flow rate, and the speed regulating pump is simultaneously opened at the same speed as the flow automatic control valve.
6. When the temperature of second thermometer exceeded 25 ℃ and constantly risen, the controller increaseed flow self-control valve opening, and increase governing valve speed simultaneously makes inside more cold electrolyte of electrolyte case gets into the pile, when keeping the inside electrolyte temperature of pile, all the other liquid temperatures of continuous heating electrolyte case, finally make entire system's electrolyte temperature all reach normal atmospheric temperature state.
7. When the temperature of the first thermometer is higher than a set threshold value k1, the electrolyte is in a normal temperature environment at the moment, the controller closes the one-way third one-way electromagnetic valve and the one-way second one-way electromagnetic valve, and opens the one-way fourth one-way electromagnetic valve and the first one-way electromagnetic valve.
In fig. 1, the one-way third and fourth one-way solenoid valves, the one-way second one-way solenoid valve and the first one-way solenoid valve may be replaced by other types of valves, such as a two-way valve, etc.
In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated without limiting the specific scope of protection of the present invention.
It is noted that the terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances in order to facilitate the description of the embodiments of the application herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It is to be noted that the foregoing is only illustrative of the presently preferred embodiments of the present invention and that the present invention is not limited to the specific embodiments shown and described. Those skilled in the art will appreciate that the present invention is not limited to the particular embodiments described herein, and that various obvious changes, rearrangements and substitutions will now be apparent to those skilled in the art without departing from the scope of the invention. Therefore, while the present invention has been described in considerable detail with reference to certain preferred versions thereof, it is to be understood that the invention is not limited to the specific versions disclosed herein and that modifications and variations may be effected without departing from the spirit and scope of the present invention as defined in the appended claims.
Claims (6)
1. A low-temperature starting system for a metal-air battery comprises an electrolyte tank, a pile tank, a speed regulating pump and a liquid conveying pipeline, wherein a liquid outlet of the electrolyte tank is communicated with a liquid inlet of the pile tank through the speed regulating pump and the liquid conveying pipeline; the method is characterized in that: the electric pile box comprises a speed regulating pump, a first single solenoid valve, a second single solenoid valve, a third single solenoid valve, a controller, a standby infusion pipeline and a storage box, wherein one end of the standby infusion pipeline is communicated with a liquid outlet of the speed regulating pump, the other end of the standby infusion pipeline is communicated with a liquid inlet of the storage box, and a liquid outlet of the storage box is communicated with a liquid inlet of the electric pile box; the first single-phase electromagnetic valve is arranged on a liquid conveying pipe between a liquid outlet of the speed regulating pump and a liquid inlet of the pile box, the second one-way electromagnetic valve and the third one-way electromagnetic valve are respectively arranged on standby liquid conveying pipes on which the liquid inlet and the liquid outlet of the discharging box are arranged, and the controller is used for controlling the first single-phase electromagnetic valve, the second single-phase electromagnetic valve and the third single-phase electromagnetic valve to be opened and closed; the storage box comprises a box body and a box cover which is arranged in a sealing mode, wherein a liquid inlet and a liquid outlet are oppositely arranged on two sides of the bottom of the box body, a V-shaped funnel can be detachably arranged in the box body, the bottom of the V-shaped funnel and the bottom of the box body have a certain height, and a dry K is placed in the V-shaped funnel 2 O。
2. The low-temperature starting system for a metal-air battery according to claim 1, characterized in that: the electrolytic cell is characterized by further comprising a first thermometer, a second thermometer and a third thermometer, wherein the first thermometer, the second thermometer and the third thermometer are respectively arranged on a liquid outlet of the galvanic pile box, a liquid inlet of the galvanic pile box and a liquid conveying pipeline of a liquid outlet of the electrolyte box, and output ends of the first thermometer, the second thermometer and the third thermometer are connected with an input end of the controller.
3. The low-temperature starting system for a metal-air battery according to claim 1, characterized in that: the automatic control device also comprises a flow automatic control valve, wherein the flow automatic control valve is arranged on a liquid conveying pipeline between the liquid outlet of the pile box and the liquid inlet of the electrolyte box, and the input end of the flow automatic control valve is connected with the output end of the controller.
4. The low-temperature starting system for a metal-air battery according to claim 1, characterized in that: the electric pile box further comprises a fourth single-phase electromagnetic valve, and the fourth single-phase electromagnetic valve and the first single-phase electromagnetic valve are respectively arranged on the liquid conveying pipeline close to the liquid inlet of the electric pile box or between the liquid outlets of the speed regulating pumps.
5. A low-temperature starting system for a metal-air battery according to any one of claims 1-4, wherein: a sealing gasket is arranged between the box cover and the box body, and the box cover and the box body are sealed through bolts.
6. The low-temperature starting system for a metal-air battery according to claim 5, characterized in that: a heat insulation layer is arranged outside the standby infusion pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220197967.3U CN218160599U (en) | 2022-01-25 | 2022-01-25 | Low-temperature starting system for metal-air battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220197967.3U CN218160599U (en) | 2022-01-25 | 2022-01-25 | Low-temperature starting system for metal-air battery |
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| Publication Number | Publication Date |
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| CN218160599U true CN218160599U (en) | 2022-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220197967.3U Active CN218160599U (en) | 2022-01-25 | 2022-01-25 | Low-temperature starting system for metal-air battery |
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| Country | Link |
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| CN (1) | CN218160599U (en) |
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- 2022-01-25 CN CN202220197967.3U patent/CN218160599U/en active Active
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