CN211320172U - High-efficiency lithium battery - Google Patents
High-efficiency lithium battery Download PDFInfo
- Publication number
- CN211320172U CN211320172U CN201922478283.1U CN201922478283U CN211320172U CN 211320172 U CN211320172 U CN 211320172U CN 201922478283 U CN201922478283 U CN 201922478283U CN 211320172 U CN211320172 U CN 211320172U
- Authority
- CN
- China
- Prior art keywords
- lithium ion
- box
- ion battery
- heat dissipation
- air outlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model relates to a lithium battery technology field especially relates to a high-efficient lithium cell, including battery box, lithium ion battery box, heat dissipation case, lithium ion battery cell, control mainboard, protection shield, air intake and air outlet, the lithium ion battery box is fixed to be set up inside the battery box, the heat dissipation case sets up in the battery box and is in the left side of lithium ion battery box, lithium ion battery cell sets up in the lithium ion battery box, the control mainboard sets up in the heat dissipation case, the protection shield sets up in the lithium ion battery box. The utility model improves the heat dissipation efficiency and the temperature control capability by arranging the heat dissipation box on the left side of the lithium ion battery box; simultaneously with the control mainboard set up in the heat dissipation case, promoted the life of control mainboard to voltage signal, current signal and the temperature signal through receiving the lithium ion cell, carry out overcharge protection, overdischarge protection, overcurrent protection and overheat protection, improved protection efficiency, promoted the safety in utilization.
Description
Technical Field
The utility model relates to a lithium cell technical field especially relates to a high-efficient lithium cell.
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. Lithium metal batteries were first proposed and studied by Gilbert n.lewis, and at the 70's of the 20 th century, m.s.whitetingham proposed and began to study lithium ion batteries. With the development of scientific technology, lithium batteries have become the mainstream. Lithium batteries can be broadly classified into two types: lithium metal batteries and lithium ion batteries. Lithium ion batteries do not contain lithium in the metallic state and are rechargeable. The fifth generation of rechargeable batteries, lithium metal batteries, was born in 1996, and the safety, specific capacity, self-discharge rate and cost performance of rechargeable batteries were all superior to those of lithium ion batteries. The lithium battery in the prior art has the problems of low heat dissipation efficiency and low protection efficiency.
SUMMERY OF THE UTILITY MODEL
To the technical problem that above-mentioned prior art exists, the utility model provides a safe high-efficient lithium cell that temperature control is efficient, protective capacities is strong.
In order to achieve the technical purpose, the utility model adopts the following technical scheme:
the utility model provides a high-efficient lithium cell, includes battery box, lithium ion cell case, heat dissipation case, lithium ion cell, control mainboard, protection shield, air intake and air outlet, the lithium ion cell case is fixed to be set up inside the battery box, the heat dissipation case sets up in the battery box and is in the left side of lithium ion cell case, lithium ion cell sets up in the lithium ion cell case, the control mainboard sets up in the heat dissipation case, the protection shield symmetry is provided with two, the protection shield sets up in the lithium ion cell case and fixed the setting in the both ends of lithium ion cell, the air intake is provided with and is no less than 2, the air intake corresponds the lateral wall that sets up in lithium ion cell case and heat dissipation case, the air outlet is provided with and is no less than 2, the air.
Further, the width of the heat dissipation box is 1/2-2/3 of the width of the battery box, and the width of the lithium ion battery box is 1/3-1/2 of the width of the battery box.
Further, the outside of lithium ion battery cell is provided with aluminium foil layer, bond line, waterproof layer and insulating layer, the insulating layer sets up in outermost, the inside waterproof layer that is of insulating layer, the waterproof layer passes through the bond line and is connected with the aluminium foil layer, the aluminium foil layer set up in inlayer and with lithium ion battery cell, the aluminium foil layer is provided with conductive coating.
Further, control mainboard and protection shield electric connection, be provided with voltage sensor, current sensor and temperature sensor on the protection shield, the control mainboard is provided with overcharge protection circuit, overdischarge protection circuit, overcurrent protection circuit and overheat protection circuit, the control mainboard passes through voltage sensor, current sensor and the temperature sensor on the protection shield and receives lithium ion battery cell's voltage signal, current signal and temperature signal.
Further, the lithium ion battery box is provided with an insulating layer.
Further, the air intake includes first air intake and second air intake, first air intake sets up in the lateral wall of heat dissipation case and communicates with the air, the second air intake sets up in the lateral wall of lithium ion battery case and communicates with the heat dissipation case, the air outlet includes first air outlet and second air outlet, first air outlet sets up in the lateral wall of heat dissipation case and communicates with the air, the second air outlet sets up in the lateral wall of lithium ion battery case and communicates with the heat dissipation case.
Further, the first air inlet and the first air outlet are respectively arranged at two ends of the side wall of the heat dissipation box, the distance between the first air inlet and the first air outlet is 1/2-3/4 of the length of the side wall of the heat dissipation box, the second air inlet and the second air outlet are respectively arranged at two ends of the side wall of the lithium ion battery box, and the distance between the first air inlet and the first air outlet is 1/2-3/4 of the length of the side wall of the lithium ion battery box.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model improves the heat dissipation efficiency and the temperature control capability by arranging the heat dissipation box on the left side of the lithium ion battery box; simultaneously with the control mainboard set up in the heat dissipation case, promoted the life of control mainboard to voltage signal, current signal and the temperature signal of the lithium ion cell that detects through voltage sensor, current sensor and the temperature sensor on the receipt protection shield, overcharge protection, over-discharge protection, overcurrent protection and overheat protection have improved protection efficiency, have promoted the safety in utilization.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
description of the drawings: 1. a battery box; 2. a lithium ion cell case; 3. a heat dissipation box; 4. an insulating layer; 5. a control main board; 6. a lithium ion cell; 7. an aluminum foil layer; 8. an adhesive layer; 9. a waterproof layer; 10. a thermal insulation layer; 11. a protection plate; 12. a first air inlet; 13. a first air outlet; 14. a second air inlet; 15. and a second air outlet.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
A high-efficiency lithium battery comprises a battery box 1, a lithium ion cell box 2, a heat dissipation box 3, a lithium ion cell 6, a control main board 5, a protection board 11, an air inlet and an air outlet, the lithium ion battery box 2 is fixedly arranged in the battery box 1, the heat dissipation box 3 is arranged in the battery box 1 and is positioned at the left side of the lithium ion battery box 2, the lithium ion cell 6 is arranged in the lithium ion cell box 2, the control mainboard 5 is arranged in the heat dissipation box 3, two protection plates 11 are symmetrically arranged, the protection plates 11 are arranged in the lithium ion cell box 2 and are fixedly arranged at two ends of the lithium ion cell 6, at least 2 air inlets are arranged on the side walls of the lithium ion battery box 2 and the heat dissipation box 3, the air outlet is provided with and is no less than 2, the air outlet corresponds the lateral wall that sets up in lithium ion battery case 2 and heat dissipation case 3.
It is noted that the width of the heat dissipation case 3 is 1/2-2/3 of the width of the battery case 1, and the width of the lithium ion battery case 2 is 1/3-1/2 of the width of the battery case 1. The outer side of the lithium ion battery cell 6 is provided with an aluminum foil layer 7, an adhesive layer 8, a waterproof layer 9 and a heat insulation layer 10, the heat insulation layer 10 is arranged on the outermost layer, the waterproof layer 9 is arranged inside the heat insulation layer 10, the waterproof layer 9 is connected with the aluminum foil layer 7 through the adhesive layer 8, the aluminum foil layer 7 is arranged on the innermost layer and connected with the lithium ion battery cell 6, and the aluminum foil layer 7 is provided with a conductive coating. The control mainboard 5 and protection shield 11 electric connection, be provided with voltage sensor, current sensor and temperature sensor on the protection shield 11, the control mainboard 5 is provided with overcharge protection circuit, overdischarge protection circuit, overcurrent protection circuit and overheat protection circuit, the control mainboard 5 receives the voltage signal, the current signal and the temperature signal of lithium ion cell 6 through voltage sensor, current sensor and the temperature sensor on the protection shield 11. The lithium ion cell box 2 is provided with an insulating layer 4.
It is worth noting that the air inlet comprises a first air inlet 12 and a second air inlet 14, the first air inlet 12 is arranged on the side wall of the heat dissipation box 3 and communicated with air, the second air inlet 14 is arranged on the side wall of the lithium ion battery cell box 2 and communicated with the heat dissipation box 3, the air outlet comprises a first air outlet 13 and a second air outlet 15, the first air outlet 13 is arranged on the side wall of the heat dissipation box 3 and communicated with air, and the second air outlet 15 is arranged on the side wall of the lithium ion battery cell box 2 and communicated with the heat dissipation box 3. The first air inlet 12 and the first air outlet 13 are respectively arranged at two ends of the side wall of the heat dissipation box 3, the distance between the first air inlet 12 and the first air outlet 13 is 1/2-3/4 of the length of the side wall of the heat dissipation box 3, the distance between the second air inlet 14 and the second air outlet 15 is respectively arranged at two ends of the side wall of the lithium ion battery box 2, and the distance between the first air inlet 12 and the first air outlet 13 is 1/2-3/4 of the length of the side wall of the lithium ion battery box 2.
The utility model discloses when charging, receive lithium ion cell 6's voltage signal, current signal and temperature signal through voltage sensor, current sensor and temperature sensor to with this signal transmission to control mainboard 5, when voltage or electric current are higher than predetermined voltage, electric current high limit time, when the temperature is higher than the high temperature limit time, start overcharge protection circuit overcurrent protection circuit and overheat protection circuit, disconnection charging circuit dispels the heat through air intake and air outlet simultaneously. The utility model discloses when discharging, receive lithium ion cell 6's voltage signal, current signal and temperature signal through voltage sensor, current sensor and temperature sensor to with this signal transmission to control mainboard 5, be less than predetermined voltage low limit when voltage, the electric current is higher than predetermined current high limit time, when the temperature is higher than the high temperature limit, start over discharge protection circuit, overheat protection circuit, close discharge circuit, dispel the heat through air intake and air outlet simultaneously.
Can see from above embodiment, the utility model discloses control by temperature change is efficient, protective capacities is strong, use safe and reliable.
The above description is only the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all the modifications and changes made by the present invention or directly or indirectly applied to other related technical fields are also included in the scope of the present invention.
Claims (7)
1. A high-efficiency lithium battery comprises a battery box (1), a lithium ion battery box (2), a heat dissipation box (3), a lithium ion battery cell (6), a control mainboard (5), a protection board (11), a first air inlet (12), a first air outlet (13), a second air inlet (14) and a second air outlet (15), and is characterized in that the lithium ion battery box (2) is fixedly arranged inside the battery box (1), the heat dissipation box (3) is arranged in the battery box (1) and is positioned at the left side of the lithium ion battery box (2), the lithium ion battery cell (6) is arranged in the lithium ion battery box (2), the control mainboard (5) is arranged in the heat dissipation box (3), the protection boards (11) are symmetrically arranged in two, the protection boards (11) are arranged in the lithium ion battery box (2) and are fixedly arranged at two ends of the lithium ion battery cell (6), the air inlet is provided with and is no less than 2, the air inlet corresponds the lateral wall that sets up in lithium ion battery case (2) and heat dissipation case (3), the air outlet is provided with and is no less than 2, the air outlet corresponds the lateral wall that sets up in lithium ion battery case (2) and heat dissipation case (3).
2. A high efficiency lithium battery as claimed in claim 1, characterized in that the width of the heat dissipation case (3) is 1/2-2/3 of the width of the battery case (1), and the width of the lithium ion cell case (2) is 1/3-1/2 of the width of the battery case (1).
3. The high-efficiency lithium battery according to claim 1, wherein an aluminum foil layer (7), an adhesive layer (8), a waterproof layer (9) and a thermal insulation layer (10) are arranged on the outer side of the lithium ion battery cell (6), the thermal insulation layer (10) is arranged on the outermost layer, the waterproof layer (9) is arranged inside the thermal insulation layer (10), the waterproof layer (9) is connected with the aluminum foil layer (7) through the adhesive layer (8), the aluminum foil layer (7) is arranged on the innermost layer and is connected with the lithium ion battery cell (6), and the aluminum foil layer (7) is provided with a conductive coating.
4. The high-efficiency lithium battery according to claim 1, wherein the control main board (5) is electrically connected with a protection board (11), a voltage sensor, a current sensor and a temperature sensor are arranged on the protection board (11), the control main board (5) is provided with an overcharge protection circuit, an overdischarge protection circuit, an overcurrent protection circuit and an overheat protection circuit, and the control main board (5) receives a voltage signal, a current signal and a temperature signal of the lithium ion battery cell (6) through the voltage sensor, the current sensor and the temperature sensor on the protection board (11).
5. A high-efficiency lithium battery as claimed in claim 1, characterized in that the lithium-ion cell box (2) is provided with an insulating layer (4).
6. The high-efficiency lithium battery according to claim 1, wherein the air inlet comprises a first air inlet (12) and a second air inlet (14), the first air inlet (12) is disposed on a side wall of the heat dissipation box (3) and is communicated with air, the second air inlet (14) is disposed on a side wall of the lithium ion battery cell box (2) and is communicated with the heat dissipation box (3), the air outlet comprises a first air outlet (13) and a second air outlet (15), the first air outlet (13) is disposed on a side wall of the heat dissipation box (3) and is communicated with air, and the second air outlet (15) is disposed on a side wall of the lithium ion battery cell box (2) and is communicated with the heat dissipation box (3).
7. The lithium high-efficiency battery according to any one of claims 1 or 6, wherein the first air inlet (12) and the first air outlet (13) are respectively arranged at two ends of the side wall of the heat dissipation box (3), the distance between the first air inlet (12) and the first air outlet (13) is 1/2-3/4 of the length of the side wall of the heat dissipation box (3), the distance between the second air inlet (14) and the second air outlet (15) is respectively arranged at two ends of the side wall of the lithium ion battery cell box (2), and the distance between the first air inlet (12) and the first air outlet (13) is 1/2-3/4 of the length of the side wall of the lithium ion battery cell box (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922478283.1U CN211320172U (en) | 2019-12-31 | 2019-12-31 | High-efficiency lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922478283.1U CN211320172U (en) | 2019-12-31 | 2019-12-31 | High-efficiency lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211320172U true CN211320172U (en) | 2020-08-21 |
Family
ID=72058588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922478283.1U Active CN211320172U (en) | 2019-12-31 | 2019-12-31 | High-efficiency lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211320172U (en) |
-
2019
- 2019-12-31 CN CN201922478283.1U patent/CN211320172U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105895843B (en) | A kind of intelligent lithium ion battery modules | |
| CN101719562A (en) | Electrical core of high-voltage battery | |
| WO2021184262A1 (en) | Lithium-ion battery cell, preparation method for same, and lithium-ion battery having same | |
| TW517405B (en) | Nonaqueous electrolyte secondary cell and method of producing the same | |
| CN207909939U (en) | A kind of new structural aluminum hull battery core | |
| CN108321391B (en) | Graphene-based all-solid-state metal lithium battery and working method thereof | |
| CN110048171A (en) | Monomer rechargeable battery, rechargeable battery set and rechargeable battery packet | |
| CN209641774U (en) | Monomer rechargeable battery, rechargeable battery set and rechargeable battery packet | |
| CN114975864A (en) | Pole piece, electric core structure, lithium battery and electronic equipment | |
| CN211320172U (en) | High-efficiency lithium battery | |
| CN103346356B (en) | Lithium ion battery as well as preparation method thereof and lithium-ion battery pack | |
| CN213660476U (en) | Quick-charging polymer lithium battery | |
| CN213366748U (en) | Electrode core and laminate polymer battery | |
| CN214957173U (en) | Battery pack and electric device | |
| CN212810490U (en) | Battery roll core with double-lug structure | |
| CN208157471U (en) | A kind of polymer Li-ion battery group | |
| CN212085154U (en) | Lithium ion battery, battery core and vehicle | |
| CN209626342U (en) | A kind of fusing type lithium battery | |
| CN113851776A (en) | Battery module, battery package and consumer | |
| CN102709587A (en) | Lithium ion battery and cathode current collector thereof | |
| CN216818419U (en) | Full-lug laminated lithium battery | |
| CN216084943U (en) | Electrode assembly and laminate polymer battery | |
| CN109346722A (en) | A kind of novel chargeable lithium manganate battery | |
| CN214477795U (en) | Combined battery cell | |
| CN214625177U (en) | Electric automobile power battery heater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220402 Address after: 300000 374, third floor, No. 112, No. 110, No. 6, Nankai Second Road, Nankai District, Tianjin Patentee after: Rongxin (Tianjin) New Energy Technology Co.,Ltd. Address before: Room 503, gate 46, yijiangli, yueyahe street, Hebei District, Tianjin Patentee before: Tianjin yuxinrong Technology Development Co.,Ltd. |