CN218731247U - Battery module - Google Patents
Battery module Download PDFInfo
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- CN218731247U CN218731247U CN202222759694.XU CN202222759694U CN218731247U CN 218731247 U CN218731247 U CN 218731247U CN 202222759694 U CN202222759694 U CN 202222759694U CN 218731247 U CN218731247 U CN 218731247U
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- liquid cooling
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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
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Abstract
The utility model discloses a battery module, the battery module includes mounting bracket, group battery, cooling module, a plurality of temperature detecting element and heating element, the group battery includes a plurality of batteries, a plurality of the batteries are installed along the horizontal arrangement on the mounting bracket; the cooling assembly comprises a plurality of liquid cooling plates and a liquid cooling unit, the liquid cooling plates are in one-to-one correspondence with the plurality of batteries, the batteries are arranged and arranged in a plurality of modes, the liquid cooling plates are arranged on the mounting frame along the transverse direction and attached to the corresponding lower sides of the batteries, the inlets of the liquid cooling plates are communicated with the liquid outlets of the liquid cooling unit, the outlets of the liquid cooling plates are communicated with the liquid inlets of the liquid cooling unit, and the liquid cooling unit is used for conveying refrigerants in the liquid cooling plates in a plurality of modes. The utility model discloses when the control temperature difference between the water supply temperature who aims at solving the liquid cooling system and the electric core is great, the local temperature rise or the difference in temperature that lead to the battery easily are great to influence the problem in electric core life-span.
Description
Technical Field
The utility model relates to a battery technology field, concretely relates to battery module.
Background
Temperature factors are important factors affecting battery performance and life. The battery module is at the in-process of charge-discharge, inevitably can produce the heat, therefore in the battery field, sets up the liquid cooling board in order to improve the radiating efficiency of battery usually in the battery module, sets up a plurality of electric core groups usually in the battery module, and every electric core group comprises a plurality of electric cores. The temperature control of cooling is mainly carried out to the electric core group through the cold group of liquid to prior art, and the general water supply temperature of liquid cooling unit is 15120 ℃, and the entry temperature is low, and electric core generally sets for carrying out the intelligent control cooling at 30 ℃ at the operation in-process, and the problem of existence is: the difference between the water supply temperature of the liquid cooling unit and the control temperature of the battery core is large, so that the cold impact has great influence on a heat source (the battery core); resulting in local temperature rise and temperature difference increase, which affects the service life of the battery core.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a battery pack, when the control temperature that aims at solving the water supply temperature of liquid cooling system and between the electric core differed great, the local temperature rise or the difference in temperature that lead to the battery easily are great to influence the problem in electric core life-span.
In order to achieve the above object, the utility model provides a battery module, include:
a mounting frame;
the battery pack comprises a plurality of batteries which are arranged on the mounting frame in the transverse direction;
the cooling assembly comprises a plurality of liquid cooling plates and a liquid cooling unit, the plurality of liquid cooling plates correspond to the plurality of batteries one by one, the plurality of liquid cooling plates are transversely arranged on the mounting frame and attached to the lower sides of the corresponding batteries, inlets of the plurality of liquid cooling plates are communicated with liquid outlets of the liquid cooling unit, outlets of the plurality of liquid cooling plates are communicated with liquid inlets of the liquid cooling unit, and the liquid cooling unit is used for conveying refrigerants into the plurality of liquid cooling plates;
the temperature detection units are arranged in one-to-one correspondence to the liquid cooling plates and are used for detecting the inlet temperature and the outlet temperature of the liquid cooling plates; and the number of the first and second groups,
the heating assembly comprises a plurality of heating pieces, the heating pieces are arranged at the inlet positions of the liquid cooling plates in a plurality of division mode and used for heating refrigerants corresponding to the liquid cooling plates.
Optionally, the heating element comprises:
the three-way valve is provided with three ports, and one port is communicated with a liquid outlet of the liquid cooling unit;
one end of the first pipeline is communicated with the inlet of the corresponding liquid cooling plate, and the other end of the first pipeline is communicated with the other port of the three-way valve;
one end of the second pipeline is communicated with the inlet of the corresponding liquid cooling plate, and the other end of the second pipeline is communicated with the other port of the three-way valve; and the number of the first and second groups,
and the heating plate is arranged around the inner cavity of the second pipeline.
Optionally, the heating element further includes an installation connector, the installation connector includes two inlets and an outlet, the outlet of the installation connector is communicated with the inlet of the liquid cooling plate, and the two inlets of the installation connector are respectively communicated with the other ends of the first pipeline and the second pipeline.
Optionally, the heating element further includes two one-way flow valves, and the two one-way flow valves are respectively installed at two inlet positions of the installation connector, so as to limit the refrigerant flowing out from the inlet position of the installation connector.
Optionally, the first pipe and the second pipe are in threaded connection with the three-way valve and the installation joint.
Optionally, the temperature detection unit includes two temperature sensors, and the two temperature sensors are respectively installed at the inlet position and the outlet position of the corresponding liquid cooling plate.
Optionally, the liquid cooling unit comprises a circulating pump and a water cooling tank, and the water cooling tank is used for storing a refrigerant and cooling the refrigerant;
the inlet of the circulating pump is communicated with the outlet of the water cooling tank, the outlet of the circulating pump forms the liquid outlet of the liquid cooling unit, and the inlet of the water cooling tank forms the liquid inlet of the liquid cooling unit.
Optionally, a heat-conducting adhesive is disposed between the liquid cooling plate and the corresponding battery.
Optionally, a heat insulating material is arranged between two adjacent batteries.
Optionally, insulating plates are provided at least at both ends of the battery pack.
In the technical scheme of the utility model, in the use of group battery, through the liquid cooling unit to the liquid cooling board carries the refrigerant, in order to pass through the heat exchange between liquid cooling board and the corresponding battery, accomplish to the cooling operation of battery, the specific operation promptly is in the group battery dashes the discharge process, after the operating temperature of group battery reaches rated temperature, cooling module work, the liquid cooling unit to the liquid cooling board transmits the refrigerant, temperature detecting element can detect in real time the import temperature and the exit temperature of liquid cooling board to can transmit to external control equipment calculates the temperature difference between the import temperature and the exit temperature of liquid cooling board, if the temperature difference maintains in the scope of setting for, then need not to adjust the import refrigerant temperature of liquid cooling board, if the temperature difference is not in the scope of setting for, then heating element begins to work, heats up to the refrigerant of liquid cooling board import, in order to reduce the temperature difference between the import temperature and the exit temperature of liquid cooling board, then liquid is when carrying out the cooling, the temperature difference of battery can be controlled in suitable scope, can ensure the temperature difference of cooling module in order to improve the life-span of the whole group battery; in addition, each liquid cooling plate is arranged to correspond to one battery, and then the battery pack is partitioned and regionally subjected to cooling management monitoring, so that the consistency of temperature difference toggle of each battery in the battery pack is further ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a battery module according to an embodiment of the present invention;
FIG. 2 is a cross-sectional structural view of the heating assembly of FIG. 1;
fig. 3 is a schematic cross-sectional view illustrating a battery module according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of another view angle of an embodiment of a battery module according to the present invention.
The reference numbers illustrate:
the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, back, 8230; \8230;) are provided in the embodiments of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Temperature factors are important factors affecting battery performance and life. The battery module is at the in-process of charge-discharge, inevitably can produce the heat, therefore in the battery field, sets up the radiating efficiency of liquid cold plate in order to improve the battery in the battery module usually, sets up a plurality of electric core groups in the battery module usually, and every electric core group comprises a plurality of electric cores. The temperature control of cooling is mainly carried out to the electric core group through the cold group of liquid to prior art, and the general water supply temperature of liquid cooling unit is 15120 ℃, and the entry temperature is low, and electric core generally sets for carrying out the intelligent control cooling at 30 ℃ at the operation in-process, and the problem of existence is: the difference between the water supply temperature of the liquid cooling unit and the control temperature of the battery core is large, so that the cold impact has great influence on a heat source (the battery core); resulting in local temperature rise and temperature difference increase, which affects the service life of the battery core.
In view of this, the present invention provides a battery module, and fig. 1 to 4 illustrate an embodiment of the present invention.
Referring to fig. 1 to 3, the battery module 100 includes a mounting frame 1, a battery pack 2, a cooling assembly 3, a plurality of temperature detecting units 4, and a heating assembly 5, wherein the battery pack 2 includes a plurality of batteries 21, and the plurality of batteries 21 are transversely arranged and mounted on the mounting frame 1; the cooling assembly 3 comprises a plurality of liquid cooling plates 31 and a liquid cooling unit 32, the plurality of liquid cooling plates 31 are arranged in a one-to-one correspondence manner with the plurality of batteries 21, the plurality of liquid cooling plates 31 are transversely arranged on the mounting frame 1 and attached to the lower sides of the corresponding batteries 21, inlets of the plurality of liquid cooling plates 31 are communicated with liquid outlets of the liquid cooling unit 32, outlets of the plurality of liquid cooling plates 31 are communicated with liquid inlets of the liquid cooling unit 32, and the liquid cooling unit 32 is used for conveying refrigerants into the plurality of liquid cooling plates 31; the temperature detection units 4 are arranged in one-to-one correspondence with the liquid cooling plates 31, and the temperature detection units 4 are used for detecting the inlet temperature and the outlet temperature of the liquid cooling plates 31; the heating assembly 5 includes a plurality of heating members 51, and the plurality of heating members 51 are respectively disposed at the inlet positions of the plurality of liquid-cooling plates 31, and are configured to heat the refrigerant flowing to the corresponding liquid-cooling plates 31.
In the technical scheme of the present invention, in the using process of the battery pack 2, the liquid cooling unit 32 conveys the coolant to the liquid cooling plate 31, so as to complete the cooling operation of the battery 21 by the heat exchange between the liquid cooling plate 31 and the corresponding battery 21, that is, the specific operation is in the charging and discharging process of the battery pack 2, when the operating temperature of the battery pack 2 reaches the rated temperature, the cooling module 3 works, the liquid cooling unit 32 transmits the coolant to the liquid cooling plate 31, the temperature detection unit 4 can detect the inlet temperature and the outlet temperature of the liquid cooling plate 31 in real time, and can transmit the coolant to an external control device to calculate the temperature difference between the inlet temperature and the outlet temperature of the liquid cooling plate 31, if the temperature difference is maintained in the set range, the inlet temperature of the coolant of the liquid cooling plate 31 does not need to be adjusted, if the temperature difference is not in the set range, the heating element 51 starts to work, heats the coolant to the inlet of the liquid cooling plate 31, so as to reduce the temperature difference between the inlet temperature and the outlet temperature of the liquid cooling plate 31, and to ensure that the battery pack 21 can be heated when the battery is cooled, the battery pack 2 can be used in the range of the battery pack 2, and the battery pack can be controlled by the temperature difference; in addition, each liquid cooling plate 31 is arranged corresponding to one battery 21, so that the battery pack 2 is partitioned and regionally managed and monitored for cooling, and consistency of temperature difference toggle of each battery 21 in the battery pack 2 is further ensured.
Further, the heating element 51 includes a three-way valve 511, a first pipeline 512, a second pipeline 513 and a heating plate 514, the three-way valve 511 has three ports, one of the ports is communicated with the liquid outlet of the liquid cooling unit 32; one end of the first pipeline 512 is communicated with the inlet of the corresponding liquid cooling plate 31, and the other end thereof is communicated with the other port of the three-way valve 511; one end of the second pipeline 513 is communicated with the inlet of the corresponding liquid cooling plate 31, and the other end of the second pipeline is communicated with the other port of the three-way valve 511; the heating plate 514 is disposed around an inner cavity of the second conduit 513. Here, since a heating member 51 is disposed corresponding to each of the liquid cooling plates 31, and one of the liquid cooling plates 31 is disposed corresponding to one of the batteries 21, a description will be given of one of the batteries 21. When the temperature difference between the inlet temperature and the outlet temperature of the liquid cooling plate 31 corresponding to the battery 21 is maintained within a set range, one port of the three-way valve 511 is communicated with the first pipeline 512, and the other port of the three-way valve 511 is disconnected from the second pipeline 513, so that a refrigerant can flow from the first pipeline 512 to the corresponding liquid cooling plate 31 to cool the battery 21, and when the temperature difference between the inlet temperature and the outlet temperature of the liquid cooling plate 31 is not within the set range, the heating element 51 located in the second pipeline 513 starts to operate, at this time, the port of the three-way valve 511 is communicated with the second pipeline 513, the port of the three-way valve 511 is communicated with the first pipeline 512 to be disconnected from the first pipeline 512, so that the refrigerant flowing to the liquid cooling plate 31 through the liquid cooling unit 32 passes through the second pipeline 513 and is heated by the heating element 51 in the second pipeline 513 and then stays in the second pipeline 513, so as to reduce the temperature difference between the inlet temperature of the liquid cooling plate 31 and the outlet temperature of the battery, thereby improving the service life of the battery 21.
In addition, the two parallel first pipelines 512 and second pipelines 513 located in the liquid cooling unit 32 and the liquid cooling plate 31 are provided, so that when one of the pipelines is damaged, the other pipeline can be used for replacing work, and meanwhile, an operator can conveniently perform online maintenance operation when the liquid cooling unit 32 does not stop working; the three-way valve 511 can be controlled by an electronic program, a human, or both.
Further, the heating element 51 further comprises a mounting connector 515, the mounting connector 515 comprises two inlets and an outlet, the outlet of the mounting connector 515 is communicated with the inlet of the liquid cooling plate 31, and the two inlets of the mounting connector 515 are respectively communicated with the other ends of the first pipeline 512 and the second pipeline 513. By arranging the installation joint 515, the first pipeline 512 and the second pipeline 513 can be simultaneously communicated only by arranging an inlet on the liquid cooling plate 31, and only one connection point exists between the installation joint 515 and the liquid cooling plate 31, so that the possibility of leakage between the installation joint 515 and the liquid cooling plate 31 is reduced; the installation joint 515 is also provided to facilitate the replacement of the first pipeline 512 or the second pipeline 513 by an operator.
Further, the heating element 51 further includes two one-way flow valves 516, and the two one-way flow valves 516 are respectively installed at two inlet positions of the installation connector 515 to limit the refrigerant flowing out from the inlet position of the installation connector 515. By installing the one-way flow valves 516 at both inlet positions of the installation joint 515, in the process of operating the first pipeline 512, the refrigerant from the first pipeline 512 can smoothly flow into the installation joint 515, and the refrigerant cannot flow into the second pipeline 513 from one end of the second pipeline 513, which is communicated with the installation joint 515; similarly, during the operation of the second pipe 513, the refrigerant from the second pipe 513 may smoothly flow into the installation joint 515, and the refrigerant may not flow into the first pipe 512 from one end of the first pipe 512 communicating with the installation joint 515.
Further, the first pipe 512 and the second pipe 513 are screwed with the three-way valve 511 and the installation joint 515. By providing the first and second pipes 512 and 513, and the three-way valve 511 and the installation joint 515, which are all screwed together, the sealing property of the connection between them can be ensured, and the assembly and disassembly of the three-way valve and the installation joint can be facilitated.
Further, the temperature detecting unit 4 includes two temperature sensors 41, and the two temperature sensors 41 are respectively installed at the inlet position and the outlet position of the corresponding liquid cooling plate 31. That is, in an embodiment of the present invention, the temperature sensor 41 detects the inlet temperature and the outlet temperature of the liquid cooling plate 31 by being provided with two.
Referring to fig. 1, the liquid cooling unit 32 includes a circulation pump 321 and a water cooling tank 322, and the water cooling tank 322 is used for storing a refrigerant and cooling the refrigerant; the import intercommunication of circulating pump 321 the export of water-cooling tank 322, the export of circulating pump 321 forms the liquid outlet of liquid cooling unit 32, the import of water-cooling tank 322 forms the inlet of liquid cooling unit 32. In the liquid cooling unit 32, the circulation of the refrigerant in the cooling module 3 can be ensured by the circulation pump 321, and the water cooling tank 322 is used for storing the refrigerant and cooling the refrigerant flowing out of the plurality of liquid cooling plates 31, so as to achieve the cooling effect of the cooling module 3 on the battery pack 2.
Further, a heat-conducting adhesive 6 is disposed between the liquid cooling plate 31 and the corresponding battery 21. In order to ensure the stability of the contact between the liquid-cooled plate 31 and the battery 21 and the stability of the heat conduction between the liquid-cooled plate 31 and the single battery 21, the heat-conducting adhesive 6 is adopted in the embodiment to assist in fixing the liquid-cooled plate 31 and the battery 21, so that the heat-conducting adhesive 6 is used as a part of a heat-conducting medium between the liquid-cooled plate 31 and the battery 21 to participate in the heat transfer between the liquid-cooled plate 31 and the battery 21 while providing the stability of the connection between the liquid-cooled plate 31 and the battery 21, and the heat exchange efficiency between the liquid-cooled plate 31 and the battery 21 is improved.
In addition, referring to fig. 4, two adjacent batteries 21 have been provided with a heat insulating material 7. The heat insulating material 7 is provided to insulate and insulate the two batteries 21 from each other.
Still further, insulating plates 8 are provided at least at both ends of the battery pack 2. The insulating plate 8 is provided at the end of the battery pack 2 to improve the safety of the battery module 100.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. A battery module, comprising:
a mounting frame;
the battery pack comprises a plurality of batteries which are arranged on the mounting frame in the transverse direction;
the cooling assembly comprises a plurality of liquid cooling plates and a liquid cooling unit, the plurality of liquid cooling plates correspond to the plurality of batteries one by one, the plurality of liquid cooling plates are transversely arranged on the mounting frame and attached to the lower sides of the corresponding batteries, inlets of the plurality of liquid cooling plates are communicated with liquid outlets of the liquid cooling unit, outlets of the plurality of liquid cooling plates are communicated with liquid inlets of the liquid cooling unit, and the liquid cooling unit is used for conveying refrigerants into the plurality of liquid cooling plates;
the temperature detection units are arranged in one-to-one correspondence to the liquid cooling plates and are used for detecting the inlet temperature and the outlet temperature of the liquid cooling plates; and the number of the first and second groups,
the heating assembly comprises a plurality of heating pieces, and the heating pieces are arranged at the inlet positions of the liquid cooling plates respectively and used for heating the refrigerants corresponding to the liquid cooling plates.
2. The battery module according to claim 1, wherein the heating member includes:
the three-way valve is provided with three ports, and one port is communicated with a liquid outlet of the liquid cooling unit;
one end of the first pipeline is communicated with the inlet of the corresponding liquid cooling plate, and the other end of the first pipeline is communicated with the other port of the three-way valve;
one end of the second pipeline is communicated with the inlet of the corresponding liquid cooling plate, and the other end of the second pipeline is communicated with the other port of the three-way valve; and (c) a second step of,
and the heating plate is arranged around the inner cavity of the second pipeline.
3. The battery module as claimed in claim 2, wherein the heating element further comprises a mounting connector, the mounting connector comprises two inlets and an outlet, the outlet of the mounting connector is communicated with the inlet of the liquid cooling plate, and the two inlets of the mounting connector are respectively communicated with the other ends of the first pipeline and the second pipeline.
4. The battery module as set forth in claim 3, wherein the heating member further comprises two one-way flow valves respectively installed at two inlet positions of the mounting connector to restrict the refrigerant from flowing out of the inlet positions of the mounting connector.
5. The battery module according to claim 3, wherein the first and second pipes are threadedly coupled to the three-way valve and the mounting tabs.
6. The battery module according to claim 1, wherein the temperature sensing unit comprises two temperature sensors mounted at the inlet and outlet positions of the liquid cooling plate, respectively.
7. The battery module as set forth in claim 1, wherein the liquid cooling unit includes a circulation pump and a water cooling tank for storing and cooling a refrigerant;
the inlet of the circulating pump is communicated with the outlet of the water cooling tank, the outlet of the circulating pump forms the liquid outlet of the liquid cooling unit, and the inlet of the water cooling tank forms the liquid inlet of the liquid cooling unit.
8. The battery module according to claim 1, wherein a thermally conductive adhesive is disposed between the liquid cooling plate and the corresponding battery.
9. The battery module according to claim 1, wherein a heat insulating material is disposed between adjacent two of the batteries.
10. The battery module according to claim 1, wherein insulating plates are provided at least at both ends of the battery pack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222759694.XU CN218731247U (en) | 2022-10-18 | 2022-10-18 | Battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222759694.XU CN218731247U (en) | 2022-10-18 | 2022-10-18 | Battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218731247U true CN218731247U (en) | 2023-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222759694.XU Active CN218731247U (en) | 2022-10-18 | 2022-10-18 | Battery module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218731247U (en) |
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2022
- 2022-10-18 CN CN202222759694.XU patent/CN218731247U/en active Active
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