CN212517299U

CN212517299U - Lithium cell high temperature protective structure

Info

Publication number: CN212517299U
Application number: CN202020858844.0U
Authority: CN
Inventors: 徐凌云; 钟成
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-20
Filing date: 2020-05-20
Publication date: 2021-02-09
Anticipated expiration: 2030-05-20

Abstract

The utility model discloses a lithium cell high temperature protective structure relates to lithium cell protection technical field. The utility model comprises a water tank and a lithium battery plate, wherein a row of battery plates are clamped at the top of the water tank, an installation notch is arranged on the top end surface of the water tank, a cold water pipe which is staggered with the battery plates is fixed in the installation notch, and the inner cavity of the cold water pipe is communicated with the inner cavity of the water tank; the two sides of the bottom end of the water tank are respectively communicated with a water inlet pipe and a water outlet pipe; the top end face of the water tank is provided with a pressing plate corresponding to the cold water pipe, and two opposite side faces of the pressing plate are respectively fixed with a row of pressing strips. The utility model discloses a leading-in cooling water in the inlet tube toward the water tank, the circulation of water lets in water tank and cooling pipe intracavity portion, carries out heat transfer cooling treatment with the bottom around the lithium cell board, reaches the high temperature safeguard function of lithium cell.

Description

Lithium cell high temperature protective structure

Technical Field

The utility model belongs to the technical field of the lithium cell protection, especially, relate to a lithium cell high temperature protective structure.

Background

Lithium batteries are a type of battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a negative electrode material. The lithium battery has the advantages of small volume, light weight, high energy power, low self-discharge rate, environmental protection, long service life and the like, so that the lithium battery gradually becomes the mainstream of the power battery. At present, most energy storage systems in photovoltaic systems are still lead-acid batteries, but the lead-acid batteries have the defects of large size, heavy weight, pollution and the like, and the application of lithium battery energy storage is a necessary trend of energy storage.

The lithium battery is used as a storage battery pack and is arranged below the photovoltaic cell panel, and the lithium battery is used for storing electric energy generated when the solar cell matrix is illuminated and supplying power to a load at any time. When the sunlight penetrates the lithium battery board on the roof directly, because the roof heaies up faster than the air, especially in summer, forms high temperature environment very easily, and this kind of high temperature environment is unfavorable for depositing and using of lithium cell, influences the normal function and the security performance of lithium cell, need cool down the lithium cell, carries out the high temperature protection work of lithium cell.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium cell high temperature protective structure to solve the problem that above-mentioned background art provided.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a lithium battery high temperature protection structure, including water tank and panel, the top joint of water tank has a row of panel, open the top face of water tank has the installation notch, the internal fixation of installation notch has the cold water pipe that staggers the setting with the panel, the cold water pipe inner chamber communicates with the water tank inner chamber; the two sides of the bottom end of the water tank are respectively communicated with a water inlet pipe and a water outlet pipe; a pressing plate corresponding to the cold water pipe is arranged on the top end face of the water tank, and a row of pressing strips are fixed on two opposite side faces of the pressing plate; one end of the pressure plate is in rotating fit with one side of the top end face of the water tank, and the other end of the pressure plate is in clamping fit with the other side of the top end face of the water tank; cooling fluids such as tap water and the like are introduced into the water tank through the water inlet pipe, then the fluids flow through the inside of the water tank and the cold water pipe, heat exchange and cooling are carried out on the peripheral side and the bottom of the battery plate, and high-temperature protection on the battery plate is realized; meanwhile, the water tank is isolated between the battery plate and the roof, and absorbs the high temperature protection in the direction of the roof through the water tank; the water tank separates the heat of release between panel and roof, avoids the heat direct transmission on roof to the panel.

The lithium battery is used as a storage battery pack and is arranged below the photovoltaic cell panel, and the lithium battery is used for storing electric energy generated when the solar cell matrix is illuminated and supplying power to a load at any time (an inverter needs to be erected between the storage battery pack and the load, because the photovoltaic cell panel and the storage battery are both direct current power supplies, and the load consumes alternating current when in use); in addition, the storage battery pack is also connected with a controller to prevent the storage battery from being overcharged or overdischarged, and the charging and discharging controller capable of controlling the overcharge or overdischarge of the storage battery pack is an essential device because the number of times of cyclic charging and discharging and the depth of discharging of the storage battery pack are important factors for determining the service life of the storage battery pack; during the daytime, the sunlight penetrates lithium cell panel and roof surface directly, because the roof heat absorption is fast, so roof temperature promotes very fast, especially in summer, forms high temperature environment very easily, and nevertheless high temperature environment is unfavorable for depositing and using of lithium cell, need cool down the lithium cell, carries out the high temperature protection work of lithium cell.

Preferably, the water tank is obliquely fixed on the roof solar photovoltaic bracket, so that the water inlet pipe is arranged below the water tank, and the water outlet pipe is arranged above the water tank; the water injected into the water tank can be kept in the water tank for a period of time, and the heat exchange and cooling effects of the water tank are ensured.

Preferably, the layering adopts transparent material, avoids the layering to cover partial photovoltaic cell board, influences the effect that photovoltaic cell board absorbed the light energy.

Furthermore, the cold water pipe is of a C-shaped structure, and the top end face of the cold water pipe is flush with the top end face of the water tank; and the two opposite side edges of the battery panel are cooled and protected through the cold water pipe.

Furthermore, one side surface of the water tank, which is provided with the water inlet pipe, is also provided with a row of drain pipes communicated with the inner bottom of the mounting groove opening, and the row of drain pipes corresponds to the row of battery plates one to one; through being provided with the drain pipe, the ponding after being convenient for install the notch raining and discharge.

Furthermore, a circle of connecting seat is fixed on the peripheral side surface of the water tank; the connecting seat is provided with a row of mounting holes, and the mounting holes can be fixedly connected with the ground or the bracket through bolts.

Furthermore, the periphery of the pressing plate is coated with a sun-proof coating, and the pressing plate is of a 'full' font structure.

Further, the distance between the two cold water pipes is equal to the width of the battery plate.

Furthermore, the water inlet pipe and the water outlet pipe have the same structural characteristics, and the axial lead of the water inlet pipe is superposed with the axial lead of the water outlet pipe.

The utility model discloses following beneficial effect has:

the utility model discloses a cooling water is let in to the water tank through the inlet tube, realizes the continuous heat dissipation cooling of panel through the rivers that flow, guarantees that the panel can not influence the function of lithium cell because of overheated; the opposite side edges of two adjacent battery plates are cooled through the cold water plates, so that the lithium battery is prevented from being locally overheated; the pressing plate is used for clamping and fixing the battery panel, and meanwhile, the pressing strip is used for reinforcing the battery panel to ensure the fixing effect of the battery panel; meanwhile, the cold water pipe can be covered by the pressing strip, and the influence on the service life of the cold water pipe caused by the fact that the cold water pipe is only exposed to the sun is avoided.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a high-temperature protection structure of a lithium battery according to the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a cross-sectional view of FIG. 1;

FIG. 4 is a schematic view of the structure of the water tank;

FIG. 5 is a cross-sectional view of the water tank;

in the drawings, the components represented by the respective reference numerals are listed below:

1-a water tank, 2-a battery panel, 3-an installation notch, 4-a cold water pipe, 5-a water inlet pipe, 6-a water outlet pipe, 7-a pressing plate, 8-a water outlet pipe, 9-a connecting seat and 701-a pressing strip.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-5, the utility model relates to a high temperature protection structure for lithium battery, which comprises a water tank 1 and a battery board 2, wherein a row of battery boards 2 are clamped at the top of the water tank 1, a mounting notch 3 is arranged on the top end surface of the water tank 1, a cold water pipe 4 which is staggered with the battery boards 2 is fixed in the mounting notch 3, and the inner cavity of the cold water pipe 4 is communicated with the inner cavity of the water tank 1; the two sides of the bottom end of the water tank 1 are respectively communicated with a water inlet pipe 5 and a water outlet pipe 6; a pressing plate 7 corresponding to the cold water pipe 4 is arranged on the top end face of the water tank 1, and a row of pressing strips 701 are fixed on two opposite side faces of the pressing plate 7; one end of the pressing plate 7 is in running fit with one side of the top end face of the water tank 1, and the other end of the pressing plate 7 is in clamping fit with the other side of the top end face of the water tank 1.

Cooling fluids such as tap water and the like are introduced into the water tank 1 through the water inlet pipe 5, then the fluids flow through the inside of the water tank 1 and the cold water pipe 4, heat exchange and cooling are carried out on the peripheral side and the bottom of the battery plate 2, and high-temperature protection on the battery plate 2 is realized; meanwhile, the water tank 1 is separated between the battery plate 2 and the roof, and the water tank 1 absorbs the high-temperature protection in the direction of the roof; simultaneously, the heat that releases between panel 2 and roof is separated to water tank 1, avoids the heat direct transmission on roof to panel 2.

Preferably, the water tank 1 is obliquely fixed on a roof solar photovoltaic bracket, so that the water inlet pipe 5 is arranged below and the water outlet pipe 6 is arranged above; ensure that the water injected into the water tank 1 can be stored in the water tank 1 for a period of time, and ensure the heat exchange and cooling effects of the water tank 1.

Preferably, the pressing strip 701 is made of a transparent material, so that the influence of the pressing strip 701 on the effect of light absorption of the photovoltaic cell panel due to the fact that part of the photovoltaic cell panel is covered by the pressing strip 701 is avoided.

The top end face of the cold water pipe 4 is flush with the top end face of the water tank 1; the two opposite side edges of the battery plate 2 are cooled and protected through the cold water pipe 4.

Wherein, one side of the water tank 1 provided with the water inlet pipe 5 is also provided with a row of drain pipes 8 communicated with the bottom in the mounting notch 3, and the row of drain pipes 8 corresponds to the row of battery plates 2 one by one; through being provided with drain pipe 8, be convenient for the ponding after the installation notch 3 rains is discharged.

Wherein, a circle of connecting seat 9 is fixed on the peripheral side surface of the water tank 1; a row of mounting holes are formed in the connecting seat 9, and the mounting holes can be fixedly connected with the ground or a support through bolts.

Wherein, the periphery of the press plate 7 is coated with a sun-proof coating, and the press plate 7 is of a 'feng' shaped structure.

Wherein, the interval of two cold water pipes 4 is equal to the width of panel 2.

Wherein, the structure characteristics of the water inlet pipe 5 and the water outlet pipe 6 are the same, and the axial lead of the water inlet pipe 5 is superposed with the axial lead of the water outlet pipe 6.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a lithium cell high temperature protective structure, includes water tank (1) and panel (2), the top joint of water tank (1) has one row of panel (2), its characterized in that:

the top end face of the water tank (1) is provided with a mounting notch (3), a cold water pipe (4) which is staggered with the battery panel (2) is fixed in the mounting notch (3), and the inner cavity of the cold water pipe (4) is communicated with the inner cavity of the water tank (1);

the two sides of the bottom end of the water tank (1) are respectively communicated with a water inlet pipe (5) and a water outlet pipe (6);

a pressing plate (7) corresponding to the cold water pipe (4) is arranged on the top end face of the water tank (1), and a row of pressing strips (701) are fixed on two opposite side faces of the pressing plate (7); one end of the pressing plate (7) is in running fit with one side of the top end face of the water tank (1), and the other end of the pressing plate (7) is in clamping fit with the other side of the top end face of the water tank (1).

2. The lithium battery high-temperature protection structure as claimed in claim 1, wherein the cold water pipe (4) is of a C-shaped structure, and the top end surface of the cold water pipe (4) is flush with the top end surface of the water tank (1).

3. The high-temperature protection structure for the lithium battery as claimed in claim 1, wherein a row of drain pipes (8) communicated with the bottom in the installation notch (3) is further arranged on one side surface of the water tank (1) provided with the water inlet pipe (5), and the row of drain pipes (8) corresponds to the row of battery plates (2) one by one.

4. The lithium battery high temperature protection structure according to claim 1, wherein a circle of connecting seat (9) is fixed on the peripheral side surface of the water tank (1).

5. The lithium battery high-temperature protection structure as claimed in claim 1, wherein the peripheral side of the pressing plate (7) is coated with a sun-proof coating, and the pressing plate (7) has a structure like a Chinese character feng.

6. The lithium battery high-temperature protection structure according to claim 1, wherein the distance between the two cold water pipes (4) is equal to the width of the battery plate (2).

7. The lithium battery high-temperature protection structure according to claim 1, wherein the water inlet pipe (5) and the water outlet pipe (6) have the same structural characteristics, and the axis of the water inlet pipe (5) coincides with the axis of the water outlet pipe (6).