CN213782092U

CN213782092U - Air-draft type heat dissipation structure for lithium battery

Info

Publication number: CN213782092U
Application number: CN202022323732.8U
Authority: CN
Inventors: 潘武
Original assignee: Yurui Shanghai Information Technology Co ltd
Current assignee: Yurui Shanghai Information Technology Co ltd
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2021-07-23
Anticipated expiration: 2030-10-16

Abstract

The utility model discloses a heat dissipation structure for an air-draft lithium battery, which comprises an air cabinet, wherein a cabinet door is arranged at the outer side of the air cabinet, a first baffle plate and a second baffle plate are arranged at the inner side of the air cabinet, fans are arranged above the second baffle plate and below the first baffle plate at the inner side of the air cabinet, the fans are electrically connected with a control panel, the air cabinet, a water cabinet, the fans, a cooling pump, a cooling bag and a heat conduction pipe are arranged, so that the air-draft refrigeration and the circulating water refrigeration are operated simultaneously, the temperature is dissipated in time when the lithium battery is hot, the safety of surrounding staff is ensured, the battery is protected by arranging the cabinet door and a battery holder, the surface of the lithium battery can be prevented from being polluted by liquid or other substances during the refrigeration, the temperature value in the air cabinet can be measured and displayed on the control panel by arranging a temperature sensor and the control panel, and all functions can be operated, therefore, the operation of workers is facilitated, and whether the two refrigeration systems are started simultaneously or not is determined according to the temperature.

Description

Air-draft type heat dissipation structure for lithium battery

Technical Field

The utility model relates to a battery heat dissipation technical field specifically is an air-draft type heat radiation structure for lithium cell.

Background

The lithium battery is a battery which uses lithium metal or lithium alloy as a positive or negative pole material and uses a non-aqueous electrolyte solution, the lithium battery is widely applied to energy storage power supply systems of hydraulic power, firepower, wind power, solar power stations and the like, the lithium battery has the unique performance advantages and is generally applied to portable electrical appliances such as portable computers, cameras and mobile communication, the lithium battery is almost ubiquitous, but the dangers of overheating fire and explosion are all existed all the time, researchers heat a pair of commercial lithium batteries, after the temperature exceeds 250 ℃ (482 DEG F), the researchers see the explosion breakdown top of one battery with eyes, experiments show that the explosion is caused by core collapse which becomes 'thermal runaway', the temperature in the lithium battery is unstable due to temperature rise, the risk of internal short circuit and damage to any nearby component is further improved, and the lithium battery only has no internal support, the lithium battery with the copper support inside is heated to be higher than 250 ℃, so that the core of the battery collapses, the copper support is further melted, the internal temperature is higher than 1000 ℃, heat is rapidly diffused outwards, thermal runaway is caused, although the test must be acknowledged, the lithium battery cannot reach the high temperature of 250 ℃ under the normal use condition, but the test illustrates the environment and the condition of explosive combustion of the lithium ion battery, and the danger brought by the high heat of the lithium battery is also illustrated.

But single heat dissipation mode is when the lithium cell temperature is too high, is difficult to in time reduce the heat, and the lithium cell needs to protect closely, can not touch liquid in order to prevent causing danger, and under airtight environment, the staff does not know the heat dissipation condition of battery, brings inconvenience for work, and no matter the environment is supercooled or overheated, all can cause the damage to the performance of lithium cell.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the problem that the cooling dynamics that prior art exists is not enough and the effect of falling the heat is audio-visual inadequately, providing an air-draft lithium battery heat radiation structure, this air-draft lithium battery heat radiation structure has the effect that multi-mode falls heat and direct-viewing display temperature reading.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an air-draft heat radiation structure for lithium battery, includes the wind cabinet, the wind cabinet outside is provided with the cabinet door, the wind cabinet inboard is provided with first baffle and second baffle, the wind cabinet inboard is located second baffle top and first baffle below and all is provided with the fan, fan and control panel electric connection, first baffle top is provided with the battery holder, the battery holder outside is provided with the heat pipe, the heat pipe inboard is provided with the cooling bag, heat pipe one end is provided with the water inlet, the heat pipe other end is provided with the delivery port, the one end fixedly connected with water tank of cabinet door is kept away from to the wind cabinet, the water tank outside is provided with control panel, the water tank inboard is provided with expansion tank, the expansion tank inboard is provided with the cooling pump, delivery port and water inlet all lead to pipe and expansion tank intercommunication.

Preferably, the outside of the wind cabinet is provided with a ventilating board, and the opposite inner sides of the first partition board and the second partition board are provided with ventilating boards.

Preferably, one end of the first partition plate is fixedly connected with the cabinet door, and the bottom of the first partition plate is slidably connected with the air cabinet.

Preferably, the inside temperature sensor that is provided with of wind cabinet, the temperature sensor model is RS485, temperature sensor and control panel electric connection.

Preferably, the cooling pump is ACP-100F in type, and the cooling pump is electrically connected with the control panel.

Preferably, the other end of the expansion water tank is provided with a water changing port.

Compared with the prior art, the utility model provides an air-draft heat radiation structure for lithium cell possesses following beneficial effect:

1. the utility model discloses a set up wind cabinet, the water tank, the fan, the cooling pump, cooling bag and heat pipe, make air-draft refrigeration and circulating water formula refrigeration function simultaneously, in time dispel the temperature when the lithium cell is high fever, guarantee staff's safety on every side, through setting up cabinet door and battery holder, protect the battery, can prevent liquid or other materials from polluting the lithium cell surface while refrigerating too, through setting up temperature sensor and control panel, make the temperature value in the wind cabinet can be measured and displayed on control panel, still can operate all functions, thereby make things convenient for staff's operation, decide whether to open two refrigerating systems simultaneously according to the temperature height;

2. the utility model discloses a set up first baffle, second baffle and ventilating board, guarantee the circulation of air again when separating the lithium cell, rely on the air motion to take away the heat by fan operation, through setting up the replacement mouth of a river, can change the coolant liquid in the expansion tank regularly, prevent to deteriorate after being heated for a long time;

the part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization provides very big help for people.

Drawings

Fig. 1 is a perspective view of a heat dissipation structure for an air-draft lithium battery;

FIG. 2 is a sectional view of a wind cabinet in a heat dissipation structure for an air-draft lithium battery;

FIG. 3 is a top view of a heat pipe in a heat dissipation structure for an air-draft lithium battery;

FIG. 4 is a top view of a battery holder in a heat dissipation structure for an air-draft lithium battery;

fig. 5 is a sectional view of a water tank in a heat dissipation structure for an air-draft lithium battery.

Description of the reference numerals

1. A wind cabinet; 2. a cabinet door; 3. a fan; 4. a water tank; 5. a ventilation board; 6. a heat conducting pipe; 7. a first separator; 8. a water pipe; 9. a cooling pump; 10. an expansion tank; 11. a water outlet; 12. a water inlet; 13. A cooling bag; 14. a second separator; 15. a battery holder; 16. a temperature sensor; 17. a control panel; 18. And (4) changing a water gap.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", 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 to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; 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. 1-5, the present invention provides a technical solution: a kind of air-draft lithium battery uses the heat-dissipating structure, including the wind cupboard 1, there are cabinet doors 2 outside the wind cupboard 1, protect the internal lithium battery structure, there are first baffle 7 and second baffle 14 in the inboard of the wind cupboard 1, the inboard of the wind cupboard 1 locates above the second baffle 14 and has fans 3 under the first baffle 7, the fan 3 is electrically connected with control panel 17, carry on the air-draft type cooling up and down at the same time, accelerate the cooling rate of the lithium battery, the operation of the fan 3 is controlled by the control panel 17 at the same time, can be closed or opened freely selectively, there are battery shelves 15 on the top of the first baffle 7, used for fixing the lithium battery, avoid the heat pipe 6 to contact the lithium battery directly at the same time, in order to prevent the surface condensation steam of the heat pipe 6 in the cooling process, thus make the lithium battery damage, there are heat pipes 6 outside the battery shelves 15, there are cooling sacs 13 inside the heat pipe 6, when the coolant circulates fastly, will lead to cooling bag 13 to fill water and swell, strengthen the deformability and the cooling power of

heat pipe

6, 6 one end of heat pipe is provided with water inlet 12, the 6 other end of heat pipe is provided with delivery port 11, make the coolant liquid form the circulation, cabinet door 2's one end fixedly connected with water tank 4 is kept away from to wind cabinet 1, the 4 outsides of water tank are provided with control panel 17, can be used to control the most functions of whole heat radiation structure, water tank 4 inboard is provided with expansion tank 10, expansion tank 10 is deformable, the adaptation that can be good leads to because of the heat dissipation war shrinkage, expansion tank 10 inboard is provided with coolant pump 9, a good circulation for maintaining the coolant liquid, delivery port 11 and water inlet 12 all lead to pipe 8 and expansion tank 10 intercommunication.

The utility model discloses in, preferred, the 1 outside of wind cabinet is provided with ventilating board 5, and the relative inboard of first baffle 7 and second baffle 14 all is provided with ventilating board 5 for guarantee the circulation of air.

The utility model discloses in, preferred, 7 one ends of first baffle and 2 fixed connection of cabinet door, 7 bottoms of first baffle and 1 sliding connection of wind cabinet, can pull open cabinet door 2 and put into the lithium cell when needing the heat dissipation to begin work.

The utility model discloses in, preferred, 1 inside temperature sensor 16 that is provided with of wind cabinet, temperature sensor 16's model is RS485, and temperature sensor 16 and control panel 17 electric connection make the temperature visual display, make things convenient for the staff to master the heat dissipation condition of lithium cell.

The utility model discloses in, preferred, the 9 models of cooling pump are ACP-100F, and cooling pump 9 and control panel 17 electric connection maintain the good circulation of coolant liquid, and corrosion resisting property is good, and when the lithium cell did not have the high fever, can close cooling pump 9, prevent that the lithium cell from damaging because of the subcooling.

The utility model discloses in, preferred, the expansion tank 10 other end is provided with trades the mouth of a river 18 for regularly change the coolant liquid, prevent that the coolant liquid is rotten because of being heated for a long time.

The utility model discloses a theory of operation and use flow: when the air-cooling type expansion water tank is used, the cabinet door is opened, a working lithium battery is properly placed in the battery rack 15, after the completion of placement is confirmed, the heat conduction pipe 6 is wound on the outer side of the battery rack 15 according to the S shape, the water inlet 12 and the water outlet 11 on the heat conduction pipe 6 are respectively connected with the water pipe 8, after the condition that no liquid leakage exists is confirmed, the fan 3 is started on the control panel 17, hands are placed at the ventilating plates 5 at the two sides of the air cabinet 1 to sense whether air circulation is normal or not, if the air circulation is normal, the fan 3 pumps hot air in the air cabinet 1 to promote normal-temperature air in a room to enter the air cabinet 1, heat is pumped out by the fan 3 to perform circulation and reciprocation so as to play a role in cooling, when the control panel 17 displays that the temperature in the air cabinet 1 is too high, the heat dissipation is difficult by means of air draft only, the cooling pump 9 in the expansion water tank 10 is started, the cooling pump 9 pumps cooling liquid in the expansion water tank 10 into the water inlet 12, the cooling liquid is gradually filled in the cooling bag 13 on the heat conducting pipe 6 to absorb heat in the air, the cooling liquid is pumped back to the expansion tank 10 from the water outlet 11 after being abundant, and is pumped out again through the cooling pump 9, after the lithium battery stops working, the cooling pump 9 and the fan 3 are closed at the control panel 17, and the lithium battery is taken out and cleaned.

The preferred embodiments of the present invention have been described in detail above, but the present invention is not limited thereto. In the technical idea scope of the present invention, it can be right to the technical solution of the present invention perform multiple simple modifications, including each technical feature combined in any other suitable manner, these simple modifications and combinations should be regarded as the disclosed content of the present invention, and all belong to the protection scope of the present invention.

Claims

1. The utility model provides an air-draft type heat radiation structure for lithium cell, includes wind cabinet (1), its characterized in that: a cabinet door (2) is arranged on the outer side of the air cabinet (1), a first partition plate (7) and a second partition plate (14) are arranged on the inner side of the air cabinet (1), fans (3) are arranged on the inner side of the air cabinet (1) and above the second partition plate (14) and below the first partition plate (7), the fans (3) are electrically connected with a control panel (17), a battery rack (15) is arranged at the top of the first partition plate (7), a heat conduction pipe (6) is arranged on the outer side of the battery rack (15), a cooling bag (13) is arranged on the inner side of the heat conduction pipe (6), a water inlet (12) is arranged at one end of the heat conduction pipe (6), a water outlet (11) is arranged at the other end of the heat conduction pipe (6), a water cabinet (4) is fixedly connected with one end of the air cabinet (1) far away from the cabinet door (2), a control panel (17) is arranged on the outer side of the water cabinet (4), an expansion water tank (10) is arranged on the inner side of the water cabinet (4), and a cooling pump (9) is arranged on the inner side of the expansion water tank (10), and the water outlet (11) and the water inlet (12) are communicated with the expansion water tank (10) through a water pipe (8).

2. The heat dissipation structure for the air-draft lithium battery as claimed in claim 1, wherein a ventilation plate (5) is arranged on the outer side of the air cabinet (1), and the ventilation plates (5) are arranged on the opposite inner sides of the first partition plate (7) and the second partition plate (14).

3. The heat dissipation structure for the air-draft lithium battery as claimed in claim 1, wherein one end of the first partition plate (7) is fixedly connected with the cabinet door (2), and the bottom of the first partition plate (7) is slidably connected with the air cabinet (1).

4. The heat dissipation structure for the air-draft lithium battery as claimed in claim 1, wherein a temperature sensor (16) is arranged inside the air cabinet (1), the type of the temperature sensor (16) is RS485, and the temperature sensor (16) is electrically connected with the control panel (17).

5. The heat dissipation structure for the air-draft lithium battery as claimed in claim 1, wherein the type of the cooling pump (9) is ACP-100F, and the cooling pump (9) is electrically connected to the control panel (17).

6. The heat dissipation structure for an updraft lithium battery as recited in any one of claims 1 to 5, wherein the other end of the expansion tank (10) is provided with a water change port (18).