CN113394477B - Split type lithium battery thermal management control device - Google Patents
Split type lithium battery thermal management control device Download PDFInfo
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- CN113394477B CN113394477B CN202110620660.XA CN202110620660A CN113394477B CN 113394477 B CN113394477 B CN 113394477B CN 202110620660 A CN202110620660 A CN 202110620660A CN 113394477 B CN113394477 B CN 113394477B
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- shell
- lithium battery
- control device
- bidirectional screw
- split type
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
- B60L58/26—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
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- 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
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
Abstract
The invention discloses a split type lithium battery heat management control device, which relates to the technical field of lithium battery heat management devices and comprises a shell and a fan, wherein a pipeline communicated with the inner space of the shell is arranged on the shell, and the pipeline is communicated with an air inlet of the fan; lithium batteries in the same shell are sleeved with a smooth-surface sliding belt together, and the sliding belt is provided with a through hole; the two ends of the sliding belt are fixedly connected with connecting blocks, and the two connecting blocks are jointly connected with a separating component for driving the two to move mutually. According to the invention, the separation component is arranged, the first motor provides power to drive the bidirectional screw to rotate, and the threads at the two ends of the bidirectional screw are reversely arranged, so that the two connecting blocks can be driven to move close to or away from each other.
Description
Technical Field
The invention relates to the technical field of lithium battery thermal management devices, in particular to a split type lithium battery thermal management control device.
Background
The new energy pure electric vehicle is more and more popularized to use, and a power battery, a motor and electric control are hearts of the pure electric vehicle; the quality of the power battery integrated group is related to the quality of the manufacturing unit, and also related to the external environment of the battery, such as the environmental temperature factor. The power lithium battery has the advantages of high energy density and the like, so the power lithium battery is widely popularized and used, but has the disadvantages that the performance is greatly influenced by high and low temperature, and the electric automobile cannot be used in winter in the north and the charging effect is seriously influenced because the environment temperature is often below 0 ℃ because the electric automobile cannot be charged at the temperature below 05 ℃; when the lithium ion battery is used in hot summer in the south, the outdoor environment temperature sometimes reaches 40 ℃, the temperature is generated during large-current charging and discharging of the battery, and the temperature cannot exceed 60 ℃ according to the characteristics of the lithium battery, otherwise the service life of the lithium ion battery is influenced; for the protection of the battery, the battery management system configured on the vehicle cuts off the circuit to stop charging and discharging when finding the temperature abnormality, and the electric vehicle cannot continue to run, which brings trouble to the user. Therefore, the conventional power lithium battery pack needs to be provided with a temperature control device with a simple structure and a small size so as to reduce the influence of the external temperature on the lithium battery pack.
For example, patent No. CN106067575A discloses a thermal management control device for a power lithium battery pack in the prior art, which includes a battery management system and a battery box, wherein a temperature sensor, a lithium battery pack, a refrigeration assembly, a heating assembly, a fan assembly and an airflow circulation channel are arranged in the battery box, the battery management system is electrically connected with the lithium battery pack, the refrigeration assembly, the heating assembly, the fan assembly and the temperature sensor respectively, and the lithium battery pack, the refrigeration assembly, the heating assembly and the fan assembly are arranged in the airflow circulation channel. The temperature environment in the power battery box is detected through the battery management system and the temperature sensor, a cooling or heating instruction is sent according to the abnormal temperature condition, the heating assembly or the refrigerating assembly is started to control the temperature, the temperature in the battery box body reaches a specified range, the influence factors of the external temperature on the lithium battery pack are reduced to the minimum, and the system performance of the lithium battery pack reaches the optimal state.
Although the scheme can be used for detecting and radiating the lithium battery, the single lithium battery with abnormal heating cannot be subjected to important treatment, so that the scheme is in urgent need of change.
Disclosure of Invention
The present invention is directed to a split type lithium battery thermal management control device to solve the above problems.
In order to achieve the purpose, the invention adopts the following technical scheme:
a split type lithium battery thermal management control device comprises a shell and a fan, wherein a lithium battery is arranged in the shell, a pipeline communicated with the inner space of the shell is arranged on the shell, and the pipeline is communicated with an air inlet of the fan;
lithium batteries in the same shell are sleeved with a smooth-surface sliding belt together, and the sliding belt is provided with a through hole;
the two ends of the sliding belt are fixedly connected with connecting blocks, and the two connecting blocks are connected with a separation assembly which drives the two connecting blocks to move mutually;
the separating component is connected with an adjusting component for driving the separating component to linearly displace.
Optionally, the pipeline includes a main pipeline and a plurality of shunt tubes, the main pipeline communicates with the air inlet of the fan, and the shunt tubes are arranged at the bottom end of the side wall of the casing and communicate with the inner space of the casing.
Optionally, the separation assembly comprises a first motor, a bidirectional screw rod and a support, the first motor is arranged on the support, the output shaft of the first motor is fixedly connected with the bidirectional screw rod, the bidirectional screw rod is rotatably connected to the support, threads at two ends of the bidirectional screw rod are reversely arranged, and the bidirectional screw rod is respectively in threaded connection with the two connecting blocks.
Optionally, the adjusting assembly includes a connecting rod, a ball screw mechanism and a second motor, the connecting rod is respectively and fixedly connected to the bracket and a ball nut in the ball screw mechanism, and a ball screw in the ball screw mechanism is fixedly connected to an output shaft of the second motor.
The invention has the following advantages:
according to the invention, the separation component is arranged, the first motor provides power to drive the bidirectional screw rod to rotate, and the threads at the two ends of the bidirectional screw rod are reversely arranged, so that the two connecting blocks can be driven to move close to or away from each other; otherwise, when two connecting blocks kept away from the motion each other, can expose the lithium cell of this department to become bigger opening air inlet with the air inlet that originally passes through the through-hole, the separation is collected toward the opening part, thereby realizes the key heat dissipation of this department lithium cell.
Drawings
Fig. 1 is a schematic structural diagram of a split type lithium battery thermal management control device provided by the present invention;
FIG. 2 is a schematic view of a multiple shell arrangement of the present invention;
fig. 3 isbase:Sub>A cross-sectional view taken along linebase:Sub>A-base:Sub>A of fig. 2 in accordance with the present invention.
In the figure: the device comprises a fan 1, a shell 2, a main pipeline 3, a slide belt 4, a shunt pipe 5, a connecting block 6, a through hole 7, a separating component 8, a first motor 81, a bidirectional screw 82, a support 83, a connecting rod 9, a ball screw mechanism 10 and a second motor 11.
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.
Referring to fig. 1-3, a split type lithium battery thermal management control device comprises a shell 2 and a fan 1, wherein a lithium battery is arranged in the shell 2, and the split type lithium battery thermal management control device is characterized in that a pipeline communicated with the inner space of the shell 2 is arranged on the shell 2, and the pipeline is communicated with an air inlet of the fan 1.
In this embodiment, the pipeline includes a main pipeline 3 and a plurality of shunt tubes 5, the main pipeline communicates with the air inlet of the blower 1, the shunt tubes 5 are disposed at the bottom end of the side wall of the casing 2 and communicate with the inner space of the casing 2, and the specific position can refer to fig. 3, so that the air flow can pass through the lithium battery from top to bottom and be drawn into the shunt tubes 5.
Lithium batteries in the same shell 2 are sleeved with a smooth-surface sliding belt 4, and the sliding belt 4 is provided with a through hole 7;
referring to fig. 3, the equal fixedly connected with connecting blocks 6 in both ends of the sliding belt 4, two connecting blocks 6 are connected with the separation assembly 8 that drives the two mutual displacements jointly, the separation assembly 8 includes a first motor 81, a bidirectional screw 82 and a support 83, the first motor 81 is arranged on the support 83, the output shaft fixedly connected with bidirectional screw 82 of the first motor 81, the bidirectional screw 82 is rotatably connected on the support 83, the threads at both ends of the bidirectional screw 82 are reversely arranged, and the bidirectional screw 82 is respectively connected with the threads of two connecting blocks 6.
Both ends of the bidirectional screw 82 are respectively provided with left-handed threads and right-handed threads, the two connecting blocks 6 can be respectively provided with left-handed nuts and right-handed nuts so as to be matched with the threads at both ends of the bidirectional screw 82, and the two connecting blocks 6 can be provided with left-handed internal threads and right-handed internal threads so as to be matched with the threads at both ends of the bidirectional screw 82.
The principle of the above-described separation assembly 8 is as follows: the first motor 81 provides power to drive the bidirectional screw 82 to rotate, and the threads at the two ends of the bidirectional screw 82 are arranged in opposite directions, so that the two connecting blocks 6 can be driven to move close to or away from each other, and when the two connecting blocks 6 move close to each other, all lithium batteries can be wrapped by the sliding belt 4; otherwise, when two connecting blocks 6 when keeping away from the motion each other, can expose the lithium cell of this department to become the air inlet through the through-hole originally and become bigger opening air inlet, the separation collects toward the opening part, thereby realizes the key heat dissipation of this department lithium cell, especially carries out key heat dissipation to the lithium cell that detects the heat anomaly, and the temperature monitoring of lithium cell can adopt temperature sensor to monitor, and this is prior art, and here is no longer described repeatedly.
The separating assembly 8 is connected with an adjusting assembly for driving the separating assembly to linearly displace, the adjusting assembly comprises a connecting rod 9, a ball screw mechanism 10 and a second motor 11, the connecting rod 9 is fixedly connected with a support 83 and a ball nut in the ball screw mechanism 10 respectively, and a ball screw in the ball screw mechanism 10 is fixedly connected with an output shaft of the second motor 11.
The principle of the above-mentioned separation assembly 8 is as follows: the second motor 11 provides power, the second motor 11 drives the ball screw mechanism 10 to reciprocate, the ball screw mechanism 10 drives the support 83 to reciprocate through the connecting rod 9, and after the support 83 moves to a certain position, the support can be matched with the separating assembly 8 to perform key heat dissipation on the lithium battery at the position.
The above description is only a preferred embodiment of the present invention, and not intended to be exhaustive or to limit the scope of the present invention, and any person skilled in the art can substitute or change the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (3)
1. A split type lithium battery thermal management control device comprises a shell (2) and a fan (1), wherein a lithium battery is arranged in the shell (2), and the split type lithium battery thermal management control device is characterized in that a pipeline communicated with the inner space of the shell (2) is arranged on the shell (2), and the pipeline is communicated with an air inlet of the fan (1);
lithium batteries positioned in the same shell (2) are sleeved with a sliding belt (4) with a smooth surface, and through holes (7) are formed in the sliding belt (4);
both ends of the sliding belt (4) are fixedly connected with connecting blocks (6), and the two connecting blocks (6) are jointly connected with a separating component (8) for driving the two to mutually displace;
the separating assembly (8) comprises a first motor (81), a bidirectional screw (82) and a support (83), the first motor (81) is arranged on the support (83), an output shaft of the first motor (81) is fixedly connected with the bidirectional screw (82), the bidirectional screw (82) is rotatably connected onto the support (83), threads at two ends of the bidirectional screw (82) are reversely arranged, and the bidirectional screw (82) is respectively in threaded connection with the two connecting blocks (6);
the separation component (8) is connected with an adjusting component for driving the separation component to linearly displace.
2. The split type lithium battery thermal management control device according to claim 1, wherein the duct comprises a main duct (3) and a plurality of shunt tubes (5), the main duct is communicated with an air inlet of the fan (1), and the shunt tubes (5) are arranged at the bottom end of the side wall of the shell (2) and are communicated with the inner space of the shell (2).
3. The split type lithium battery thermal management control device according to claim 2, wherein the adjusting assembly comprises a connecting rod (9), a ball screw mechanism (10) and a second motor (11), the connecting rod (9) is fixedly connected with the bracket (83) and a ball nut in the ball screw mechanism (10), respectively, and a ball screw in the ball screw mechanism (10) is fixedly connected with an output shaft of the second motor (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110620660.XA CN113394477B (en) | 2021-06-03 | 2021-06-03 | Split type lithium battery thermal management control device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110620660.XA CN113394477B (en) | 2021-06-03 | 2021-06-03 | Split type lithium battery thermal management control device |
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| CN113394477A CN113394477A (en) | 2021-09-14 |
| CN113394477B true CN113394477B (en) | 2022-12-09 |
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| CN202110620660.XA Active CN113394477B (en) | 2021-06-03 | 2021-06-03 | Split type lithium battery thermal management control device |
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| WO2008095313A1 (en) * | 2007-02-09 | 2008-08-14 | Advanced Lithium Power Inc. | Battery thermal management system |
| CN104300188A (en) * | 2014-09-25 | 2015-01-21 | 惠州市亿能电子有限公司 | Heat radiation management method of battery pack |
| CN205406607U (en) * | 2016-03-07 | 2016-07-27 | 宁德时代新能源科技股份有限公司 | Battery module |
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| CN113394477A (en) | 2021-09-14 |
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Effective date of registration: 20221111 Address after: 2nd Floor, Building 5, Zhanwang Science and Technology Park, Xiquan Road, Feidong Economic Development Zone, Feidong County, Hefei City, Anhui Province, 230000 Applicant after: Anhui Duokun New Energy Technology Co.,Ltd. Address before: 230000 building B2, North weid Road, Yaohai Industrial Park, Hefei City, Anhui Province Applicant before: HEFEI GUOSHENG BATTERY TECHNOLOGY Co.,Ltd. |
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