CN220856667U - Lithium iron phosphate battery pack based on temperature control - Google Patents
Lithium iron phosphate battery pack based on temperature control Download PDFInfo
- Publication number
- CN220856667U CN220856667U CN202322567338.2U CN202322567338U CN220856667U CN 220856667 U CN220856667 U CN 220856667U CN 202322567338 U CN202322567338 U CN 202322567338U CN 220856667 U CN220856667 U CN 220856667U
- Authority
- CN
- China
- Prior art keywords
- iron phosphate
- lithium iron
- water
- phosphate battery
- cover
- 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
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 title claims abstract description 78
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 64
- 238000001816 cooling Methods 0.000 claims abstract description 32
- 238000005485 electric heating Methods 0.000 claims description 21
- 238000007789 sealing Methods 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 description 15
- TWQULNDIKKJZPH-UHFFFAOYSA-K trilithium;phosphate Chemical compound [Li+].[Li+].[Li+].[O-]P([O-])([O-])=O TWQULNDIKKJZPH-UHFFFAOYSA-K 0.000 description 7
- 229910001386 lithium phosphate Inorganic materials 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical group [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
Landscapes
- Secondary Cells (AREA)
Abstract
The utility model discloses a lithium iron phosphate battery pack based on temperature control, which comprises an outer shell, wherein a top cover is fixed on the side edge of the outer shell, water cooling plates are distributed in the outer shell at equal intervals, a battery cavity is arranged between two adjacent water cooling plates, a lithium iron phosphate battery core is clamped in the battery cavity, the positive electrode of the lithium iron phosphate battery core is connected with a positive electrode binding post on the top cover, and the negative electrode of the lithium iron phosphate battery core is connected with a negative electrode binding post on the top cover; the bottom of the outer shell is provided with a drainage collecting cover connected with the drainage end of the water cooling plate, the center of the bottom of the drainage collecting cover is provided with a water outlet, and the top of the outer shell is provided with a water inlet cover connected with the water inlet end of the water cooling plate. The utility model can detect the temperature of the lithium iron phosphate battery core in real time, and carry out corresponding heat management on the lithium iron phosphate battery core under the conditions of higher temperature and lower temperature, thereby effectively preventing the lithium iron phosphate battery core from being damaged by low-temperature or high-temperature environment.
Description
Technical Field
The utility model relates to the technical field of lithium iron phosphate battery packs, in particular to a lithium iron phosphate battery pack based on temperature control.
Background
The lithium iron phosphate battery is a lithium ion battery which uses lithium iron phosphate as a positive electrode material and carbon as a negative electrode material, wherein the rated voltage of a single battery is 3.2V, and the charging cut-off voltage is 3.6V-3.65V. During the charging process, part of lithium ions in the lithium iron phosphate are separated out and transferred to the negative electrode through electrolyte, and are intercalated into a negative electrode carbon material; and simultaneously, electrons are released from the positive electrode and reach the negative electrode from an external circuit, so that the balance of chemical reaction is maintained. In the discharging process, lithium ions are separated from the negative electrode and reach the positive electrode through the electrolyte, meanwhile, electrons are released from the negative electrode, and reach the positive electrode from an external circuit to provide energy for the outside.
In the lithium iron phosphate battery, the change of the battery temperature directly affects the charge and discharge performance of the lithium iron phosphate battery, and the mobility of active substances in the lithium iron phosphate battery and electrolyte in the lithium iron phosphate battery is greatly reduced under the influence of the battery temperature and the ambient temperature. When the weather is cold, the activity of the lithium iron phosphate battery pack is reduced and the internal resistance is increased; when the air temperature is increased, the activity of the lithium iron phosphate battery pack can be enhanced, but when the temperature is too high, the chemical reaction in the lithium iron phosphate battery pack is enhanced, the capacity of the battery can be reduced, and the electrode material can be modified, so that the aging life of the battery is shortened. Therefore, it is necessary to design a lithium iron phosphate battery based on temperature control.
Disclosure of utility model
Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the lithium iron phosphate battery pack based on temperature control, which can detect the temperature of a lithium iron phosphate battery cell in real time, and perform corresponding heat management on the lithium iron phosphate battery cell under the conditions of higher temperature and lower temperature, thereby effectively preventing the damage to the lithium iron phosphate battery cell caused by low-temperature or high-temperature environment.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the lithium iron phosphate battery pack based on temperature control comprises an outer shell, wherein a top cover is fixed on the side edge of the outer shell, water cooling plates are distributed in the outer shell at equal intervals, a battery cavity is arranged between two adjacent water cooling plates, a lithium iron phosphate battery core is clamped in the battery cavity, the positive electrode of the lithium iron phosphate battery core is connected with a positive electrode binding post on the top cover, and the negative electrode of the lithium iron phosphate battery core is connected with a negative electrode binding post on the top cover;
The water inlet cover is arranged at the center of the top of the water inlet cover, an electric heating module is arranged in the water inlet cover, and a PLC controller is arranged at the back of the electric heating module;
The bottom of top cap install with the first temperature sensor of lithium iron phosphate electricity core contact, first temperature sensor electric connection PLC controller's input, PLC controller's output electric connection electric heat module.
Preferably, the electric heating module comprises a mounting groove, a back plate and an electric heating rod;
The side of cover of intaking has seted up the mounting groove, the inside joint of mounting groove has the backplate, the inside equidistance that is located the cover of intaking on the backplate is installed the electric bar, electric bar and the output electric connection of PLC controller.
Preferably, a second temperature sensor is installed on the inner wall of the water inlet cover, the second temperature sensor is electrically connected with the input end of the PLC, and the output end of the PLC is electrically connected with the electric heating rod.
Preferably, the T-shaped conducting bars are symmetrically arranged on the inner wall of the battery cavity, and the T-shaped conducting bars slide in the guide grooves on two sides of the lithium iron phosphate battery cell.
Preferably, the top cover is fixed on the outer shell through bolts, and a sealing gasket is arranged between the outer shell and the top cover.
The beneficial effects of the utility model are as follows:
The temperature of the lithium iron phosphate battery core can be detected in real time, and corresponding heat management work is carried out on the lithium iron phosphate battery core under the conditions of higher temperature and lower temperature, so that the damage to the lithium iron phosphate battery core caused by a low-temperature or high-temperature environment is effectively prevented.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic view of the overall planar structure of the present utility model;
FIG. 2 is a schematic view of the internal plan structure of the outer casing of the present utility model;
FIG. 3 is a schematic plan view of the top cover area of the present utility model;
FIG. 4 is a schematic cross-sectional plan view of a water inlet cover of the present utility model;
Reference numerals in the drawings: 1. an outer housing; 2. a top cover; 3. a water inlet cover; 4. a water inlet; 5. a drain collecting cover; 6. a water outlet; 7. an electric heating module; 701. a mounting groove; 702. a back plate; 703. an electric heating rod; 704. a second temperature sensor; 8. a positive terminal; 9. a negative electrode binding post; 10. a PLC controller; 11. a water cooling plate; 12. a battery cavity; 13. a lithium iron phosphate cell; 14. t-shaped guide bars; 15. a guide groove; 16. a first temperature sensor.
Detailed Description
Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.
The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings.
Example 1
The utility model provides the following technical scheme as shown in fig. 1, 2, 3 and 4: the lithium iron phosphate battery pack based on temperature control comprises an outer shell 1, wherein a top cover 2 is fixed on the side edge of the outer shell 1, water cooling plates 11 are equidistantly distributed in the outer shell 1, a battery cavity 12 is arranged between two adjacent water cooling plates 11, a lithium iron phosphate battery cell 13 is clamped in the battery cavity 12, the positive pole of the lithium iron phosphate battery cell 13 is connected with a positive pole binding post 8 on the top cover 2, and the negative pole of the lithium iron phosphate battery cell 13 is connected with a negative pole binding post 9 on the top cover 2;
The bottom of the outer shell 1 is provided with a drainage collecting cover 5 connected with the drainage end of the water cooling plate 11, the center of the bottom of the drainage collecting cover 5 is provided with a drainage outlet 6, the top of the outer shell 1 is provided with a water inlet cover 3 connected with the water inlet end of the water cooling plate 11, the center of the top of the water inlet cover 3 is provided with a water inlet 4, the inside of the water inlet cover 3 is provided with an electric heating module 7, and the back of the electric heating module 7 is provided with a PLC (programmable logic controller) 10;
The bottom of top cap 2 is installed with the first temperature sensor 16 of lithium iron phosphate battery cell 13 contact, the input of first temperature sensor 16 electric connection PLC controller 10, and through outlet 6 backward flow to cooling water circulation equipment, install lithium iron phosphate battery cell 13 in the battery chamber 12 inside that two water cooling plates 11 constitute, and make the both ends of lithium iron phosphate battery cell 13 contact with water cooling plates 11, the return water mouth of cooling water circulation equipment is connected with outlet 6, cooling water circulation equipment work, with the inside of cooling water guide into water inlet cover 3, under the reposition of redundant personnel effect of water inlet cover 3, make it get into the inside of water cooling plate 11 through the water inlet end of water cooling plate 11, flow into water cooling plate 11's inside from the drainage end of water cooling plate 11, and flow back to cooling water circulation equipment through outlet 6, install lithium iron phosphate battery cell 13 inside the battery chamber 12 that two water cooling plates 11 constitute, and make the both ends of lithium iron phosphate battery cell 13 contact, absorb the heat that lithium iron phosphate battery cell 13 produced in the course of working, and through the inside lithium iron phosphate battery cell 13 of first temperature sensor 16 real-time monitoring shell 1 inside, under the reposition of redundant personnel effect of water inlet cover 3, make it get into the inside of water cooling plate 11, the lithium iron phosphate battery cell 13 when the temperature controller is lower than the temperature of lithium iron phosphate battery cell 13 is set up at the temperature controller 10, when the temperature of the lithium iron phosphate battery cell 13 is lower than the temperature controller is set up, when the lithium iron phosphate battery cell 13 detects the lithium phosphate battery cell 13, the temperature is lower than the temperature controller is compared with the lithium phosphate battery cell 13, the temperature is detected, the temperature of the lithium phosphate battery cell 13, the temperature can be lower than the temperature of the lithium phosphate battery cell is detected, and the temperature is detected in the temperature, the temperature is lower than the battery cell 13, and can be controlled, and the temperature can be compared with the lithium phosphate battery cell 13, and the battery cell is heated, and the battery cell is 13, and the lithium battery cell is made and the lithium equipment, and the lithium equipment.
Preferably, the top cover 2 is fixed on the outer shell 1 through bolts, and a sealing gasket is arranged between the outer shell 1 and the top cover 2, so that the connection stability is good, and the tightness is good.
Example two
Referring to fig. 1, 3 and 4, as another preferred embodiment, the difference from the first embodiment is that the electric heating module 7 includes a mounting groove 701, a back plate 702 and an electric heating rod 703;
The side of cover 3 that intakes has seted up mounting groove 701, and the inside joint of mounting groove 701 has backplate 702, and the electric bar 703 is installed to the inside equidistance that is located cover 3 that intakes on backplate 702, and electric bar 703 and the output electric connection of PLC controller 10, electric bar 703 are installed at backplate 702, and backplate 702 joint is to the inside of mounting groove 701, easy to assemble dismantles.
Preferably, the second temperature sensor 704 is installed on the inner wall of the water inlet cover 3, the second temperature sensor 704 is electrically connected with the input end of the PLC controller 10, the output end of the PLC controller 10 is electrically connected with the electric heating rod 703, the temperature of cooling water inside the water inlet cover 3 is monitored in real time through the second temperature sensor 704, and the monitored temperature information is transmitted to the PLC controller 10, so that the accurate control of the temperature of the cooling water inside the water cooling plate 11 is realized.
Example III
Referring to fig. 1 and 2, as another preferred embodiment, the difference from the first embodiment is that T-shaped conductive bars 14 are symmetrically installed on the inner wall of the battery cavity 12, the T-shaped conductive bars 14 slide inside guide grooves 15 on both sides of the lithium iron phosphate battery cell 13, and the lithium iron phosphate battery cell 13 slides to the inside of the battery cavity 12 through the T-shaped conductive bars 14 and the guide grooves 15, so that the accurate installation of the lithium iron phosphate battery cell 13 is ensured.
Working principle:
The water inlet 4 is connected with the water inlet of the cooling water circulation equipment, the water return port of the cooling water circulation equipment is connected with the water outlet 6, the cooling water circulation equipment works, cooling water is led into the water inlet cover 3, the cooling water enters the water cooling plate 11 through the water inlet end of the water cooling plate 11 under the split flow action of the water inlet cover 3, the cooling water flows into the water drainage collecting cover 5 from the water outlet end of the water cooling plate 11 after the internal circulation of the water cooling plate 11, the lithium iron phosphate battery core 13 is installed in the battery cavity 12 formed by the two water cooling plates 11 and is enabled to be in contact with the water cooling plate 11, the heat generated by the lithium iron phosphate battery core 13 in the working process is absorbed, the temperature of the lithium iron phosphate battery core 13 is monitored in real time through the first temperature sensor 16, when the working temperature of the lithium iron phosphate battery core 13 is smaller than the preset value set by the PLC controller 10, the PLC controller 10 controls the electric heating module 7 to work, the cooling water entering the water inlet cover 3 is enabled to flow back into the cooling water circulation equipment, the lithium iron phosphate battery core 13 is enabled to be in contact with the water cooling plate 11, the lithium iron phosphate core 13 is enabled to be damaged in the working environment, and the lithium iron phosphate core 13 is prevented from being damaged by the corresponding temperature to the lithium iron phosphate core 13, and the temperature is high temperature of the lithium iron phosphate core 13 when the lithium phosphate core is detected, and the lithium iron phosphate core is heated in the working environment, and the lithium iron phosphate core is high temperature and the lithium phosphate core 13 is detected, and the temperature is high temperature and the lithium iron phosphate core is high temperature and the lithium iron phosphate core is low.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (5)
1. Lithium iron phosphate group battery based on temperature control, including shell body (1), the side of shell body (1) is fixed with top cap (2), its characterized in that: the lithium iron phosphate battery is characterized in that water cooling plates (11) are equidistantly distributed in the outer shell (1), a battery cavity (12) is formed between two adjacent water cooling plates (11), a lithium iron phosphate battery core (13) is clamped in the battery cavity (12), the positive electrode of the lithium iron phosphate battery core (13) is connected with a positive electrode binding post (8) on the top cover (2), and the negative electrode of the lithium iron phosphate battery core (13) is connected with a negative electrode binding post (9) on the top cover (2);
The water-cooling device is characterized in that a water-draining collecting cover (5) connected with a water-draining end of a water-cooling plate (11) is arranged at the bottom of the outer shell (1), a water-draining outlet (6) is arranged at the center of the bottom of the water-draining collecting cover (5), a water-inlet cover (3) connected with a water-inlet end of the water-cooling plate (11) is arranged at the top of the outer shell (1), a water inlet (4) is arranged at the center of the top of the water-inlet cover (3), an electric heating module (7) is arranged in the water-inlet cover (3), and a PLC (programmable logic controller) 10 is arranged at the back of the electric heating module (7);
The bottom of the top cover (2) is provided with a first temperature sensor (16) which is in contact with the lithium iron phosphate battery cell (13), the first temperature sensor (16) is electrically connected with the input end of the PLC (10), and the output end of the PLC (10) is electrically connected with the electric heating module (7).
2. A temperature control-based lithium iron phosphate battery according to claim 1, wherein: the electric heating module (7) comprises a mounting groove (701), a back plate (702) and an electric heating rod (703);
The side of cover (3) of intaking has seted up mounting groove (701), the inside joint of mounting groove (701) has backplate (702), electric heating rod (703) are installed to inside equidistance that is located cover (3) of intaking on backplate (702), electric heating rod (703) are connected with the output electric property of PLC controller (10).
3. A temperature control-based lithium iron phosphate battery according to claim 2, wherein: the inner wall of the water inlet cover (3) is provided with a second temperature sensor (704), the second temperature sensor (704) is electrically connected with the input end of the PLC (10), and the output end of the PLC (10) is electrically connected with the electric heating rod (703).
4. A temperature control-based lithium iron phosphate battery according to claim 1, wherein: t-shaped conducting bars (14) are symmetrically arranged on the inner wall of the battery cavity (12), and the T-shaped conducting bars (14) slide in guide grooves (15) on two sides of the lithium iron phosphate battery cell (13).
5. A temperature control-based lithium iron phosphate battery according to claim 1, wherein: the top cover (2) is fixed on the outer shell (1) through bolts, and a sealing gasket is arranged between the outer shell (1) and the top cover (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322567338.2U CN220856667U (en) | 2023-09-21 | 2023-09-21 | Lithium iron phosphate battery pack based on temperature control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322567338.2U CN220856667U (en) | 2023-09-21 | 2023-09-21 | Lithium iron phosphate battery pack based on temperature control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220856667U true CN220856667U (en) | 2024-04-26 |
Family
ID=90777330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322567338.2U Active CN220856667U (en) | 2023-09-21 | 2023-09-21 | Lithium iron phosphate battery pack based on temperature control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220856667U (en) |
-
2023
- 2023-09-21 CN CN202322567338.2U patent/CN220856667U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5938115B2 (en) | Battery module, battery temperature management system, and vehicle including the system | |
| CN112542637B (en) | Aluminum air battery module | |
| CN109904556A (en) | A kind of energy storage battery based on radiating structure | |
| CN111446389A (en) | Battery module box and battery module | |
| CN110571387A (en) | Integrated battery module | |
| CN220856667U (en) | Lithium iron phosphate battery pack based on temperature control | |
| CN201421862Y (en) | Single battery and high power lithium ion power battery pack adopting same | |
| CN107925138B (en) | Energy storage device with reduced temperature variability between cells | |
| CN210349937U (en) | Integrated battery module | |
| CN218385368U (en) | Battery module and liquid-cooling energy storage battery pack system with same | |
| WO2023216324A1 (en) | Battery cell group, battery module and assembly method | |
| CN109765498A (en) | A kind of electric automobile power battery active equalization experimental system and its experimental method | |
| CN116615830A (en) | Battery, electric device, method and equipment for preparing battery | |
| CN114551929A (en) | Liquid cooling stack battery assembly and hydrogen fuel cell stack | |
| CN208298889U (en) | Safety low-temperature lithium battery group | |
| CN110364781A (en) | A kind of new energy car battery | |
| CN210668473U (en) | Lithium battery with adjustable battery capacity | |
| CN213212303U (en) | Power lithium battery for new energy automobile | |
| CN218385577U (en) | Lithium ion battery pack with heat dissipation structure | |
| CN212209603U (en) | Lithium ion power battery with heat radiation structure | |
| CN218482313U (en) | Lithium battery protection box | |
| CN216958183U (en) | Lithium battery pack with charging protection structure | |
| CN213782099U (en) | Air cooling system structure for forklift | |
| CN212934760U (en) | Quick heat radiation structure of lithium cell | |
| CN219873707U (en) | Dustproof heat dissipation shell of heat dissipation battery of new energy automobile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |