CN211480228U - Battery pack and information acquisition assembly thereof - Google Patents
Battery pack and information acquisition assembly thereof Download PDFInfo
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- CN211480228U CN211480228U CN202020375947.1U CN202020375947U CN211480228U CN 211480228 U CN211480228 U CN 211480228U CN 202020375947 U CN202020375947 U CN 202020375947U CN 211480228 U CN211480228 U CN 211480228U
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- circuit board
- temperature
- battery module
- information acquisition
- connecting cylinder
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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 relates to a battery pack and an information acquisition assembly thereof, wherein, the information acquisition assembly comprises a circuit board and a temperature acquisition unit, and the temperature acquisition unit is arranged at one side of the circuit board facing to a battery module of the battery pack; the temperature acquisition unit includes connecting cylinder and temperature sensor, has irritated the heat conduction glue in the connecting cylinder, and temperature sensor inlays in the heat conduction glue. This information acquisition subassembly can reduce the temperature information of battery module collection and the deviation between the actual temperature, improve the temperature acquisition precision of battery module to can accurately monitor the battery module.
Description
Technical Field
The utility model relates to a battery package technical field, concretely relates to battery package and information acquisition subassembly thereof.
Background
Among the current battery module, the temperature acquisition unit for gathering the electric core temperature of battery module all sets up in the top of circuit board, and the temperature acquisition unit locates the one side that electric core was kept away from to the circuit board promptly, and the temperature of electric core is gathered through gathering the piece heat transfer to the temperature acquisition unit, and under this kind of mode, the temperature information of gathering probably has the deviation rather than actual temperature, gathers the precision and is lower.
Therefore, how to reduce the deviation between the temperature information collected by the battery module and the actual temperature, and improve the temperature collection precision of the battery module so as to accurately monitor the battery module is a technical problem to be solved by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a battery package and information acquisition subassembly thereof can reduce the temperature information of battery module collection and deviation between the actual temperature, improve the temperature acquisition precision of battery module to can accurately monitor the battery module.
In order to achieve the above object, the present invention provides an information collecting assembly for a battery pack, which includes a circuit board and a temperature collecting unit, wherein the temperature collecting unit is disposed on one side of the circuit board facing a battery module of the battery pack; the temperature acquisition unit includes connecting cylinder and temperature sensor, it has filled heat-conducting glue to have irritated in the connecting cylinder, temperature sensor inlay in heat-conducting glue.
A temperature acquisition unit for gathering the temperature locates the circuit board towards one side of battery module, compares in the scheme of keeping away from battery module's electric core one side with the temperature acquisition unit setting at the circuit board, and temperature sensor is more close the electric core of battery module, that is to say, under this kind of state, the temperature information that temperature acquisition unit detected can be more close the actual temperature of electric core, and then can promote this temperature acquisition unit's detection precision.
The connecting cylinder is the tubular structure, and inside has been irritated and has been had heat-conducting glue, and temperature sensor is embedded in this heat-conducting glue for temperature sensor's position is more stable, and, the section of thick bamboo wall and the heat-conducting glue of connecting cylinder can provide the protection to temperature sensor, avoid in the use because reasons such as vibrations lead to temperature sensor's position to change the circumstances such as, still can avoid the circumstances such as peripheral parts etc. to its produced extrusion. The heat-conducting property of the heat-conducting glue is good, the temperature sensor is embedded in the heat-conducting glue, the detection element equivalent to the temperature sensor is closer to the electric core, the collected temperature information is further ensured to be closer to the actual temperature of the electric core, and therefore the battery module can be accurately monitored.
When the installation specifically, place temperature sensor in the connecting cylinder earlier, then carry out the encapsulating operation to the connecting cylinder, the quantity of heat conduction glue can be restricted in the setting of connecting cylinder for can be when fixing temperature sensor through heat conduction glue, the heat conduction glue quantity is stable, and the heat conduction uniformity is controllable.
Optionally, a preset gap is formed between the end of the connecting cylinder and the battery core of the battery module.
Optionally, the connector barrel is secured to the circuit board by bonding.
Optionally, the temperature sensor is fixed to the circuit board by soldering.
Optionally, still include with the collection piece that the circuit board is connected, the collection piece with the aluminium bar welded fastening of walking the line board of battery module is used for detecting the voltage of battery module.
Optionally, the collecting sheet is arranged on one side of the circuit board facing the battery module.
Optionally, the circuit board and the wiring board are fixed by bonding.
Optionally, the connecting cylinder is made of plastic.
Optionally, the electronic device further comprises a connecting device for connecting with an external device, and the connecting device is connected with the circuit board through a lead.
Additionally, the utility model also provides a battery package, it includes the battery module and as above the information acquisition subassembly.
The technical effect of the battery pack with the information acquisition assembly is similar to that of the information acquisition assembly, and is not repeated herein for saving space.
Drawings
Fig. 1 is a schematic structural diagram of an information acquisition assembly and a battery module provided in an installation state according to an embodiment of the present invention;
2-4 are schematic structural views of an information acquisition assembly;
fig. 5-6 are schematic structural views of the temperature acquisition unit.
In the accompanying fig. 1-6, the reference numerals are illustrated as follows:
1-battery module, 11-battery core, 12-wiring board;
2-a circuit board;
3-temperature acquisition unit, 31-connecting cylinder, 32-temperature sensor, 33-heat conducting glue;
4-collecting the slices;
5-connecting the device.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1-6, fig. 1 is a schematic structural view of an information collecting assembly and a battery module provided in an embodiment of the present invention in an installation state; 2-4 are schematic structural views of an information acquisition assembly; fig. 5-6 are schematic structural views of the temperature acquisition unit.
The embodiment of the utility model provides a battery package and information acquisition subassembly thereof, wherein, as shown in fig. 1, the battery package includes battery module 1 and information acquisition subassembly, and battery module 1 includes a plurality of electric cores 11 that set up side by side and walks line board 12, and the information acquisition subassembly includes circuit board 2 and temperature acquisition unit 3, and this temperature acquisition unit 3 is used for gathering the temperature information of battery module 1. Specifically, as shown in fig. 5 and 6, the temperature acquisition unit 3 in this embodiment is disposed on a side of the circuit board 2 facing the battery module 1, and as shown in the figure, the temperature acquisition unit 3 includes a connecting cylinder 31 and a temperature sensor 32, a heat conductive adhesive 33 is filled in the connecting cylinder 31, and the temperature sensor 32 is embedded in the heat conductive adhesive 33.
In detail, the temperature acquisition unit 3 for acquiring the temperature is arranged on one side of the circuit board 2 facing the battery module 1, and compared with the scheme that the temperature acquisition unit 3 is arranged on one side of the circuit board 2 away from the battery cell 11 of the battery module 1, the temperature sensor 32 is closer to the battery cell 11 of the battery module 1, that is, in this state, the temperature information detected by the temperature acquisition unit 3 is closer to the actual temperature of the battery cell 11, and further the detection precision of the temperature acquisition unit 3 can be improved.
Connecting cylinder 31 is the tubular structure, and inside has been irritated heat-conducting glue 33, and temperature sensor 32 is embedded in this heat-conducting glue 33 for temperature sensor 32's position is more stable, and, connecting cylinder 31's section of thick bamboo wall and heat-conducting glue 33 can provide the protection to temperature sensor 32, avoid in the use because reasons such as vibrations lead to temperature sensor 32's position to change the condition such as, still can avoid the circumstances such as peripheral parts etc. to its produced extrusion. The heat conductivity of the heat conducting glue 33 is good, the temperature sensor 32 is embedded in the heat conducting glue 33, the detection element equivalent to the temperature sensor 32 is closer to the battery cell 11, the collected temperature information is further ensured to be closer to the actual temperature of the battery cell 11, and therefore the battery module can be accurately monitored.
When the installation specifically, place temperature sensor 32 in connecting cylinder 31 earlier, then carry out the encapsulating operation to connecting cylinder 31, the quantity of heat conduction glue 33 can be restricted in the setting of connecting cylinder 31 for can fix temperature sensor 32 through heat conduction glue 33 when, heat conduction glue 33 quantity is stable, and the heat conduction uniformity is controllable.
In the above embodiment, a preset gap is provided between the end of the connecting cylinder 31 and the battery cell 11, that is, the end of the connecting cylinder 31 is not directly contacted with the battery cell 11, so that the extrusion between the end of the connecting cylinder 31 and the battery cell 11 due to vibration and other reasons can be avoided in the using process, and the damage can be avoided, so as to protect the battery cell 11. Specifically, in this embodiment, the specific size of the preset gap is not limited, and the end of the connecting cylinder 31 and the electric core 11 can be prevented from being squeezed while the detection accuracy is ensured.
In the above embodiment, the connecting cylinder 31 and the circuit board 2 are fixed by bonding, or, in this embodiment, the two can be fixed by the heat conducting glue 33, for example, when installing, the end of the connecting cylinder 31 facing the circuit board 2 is abutted against the circuit board 2, the heat conducting glue 33 is poured into the connecting cylinder 31, after the heat conducting glue 33 is solidified, the heat conducting glue 33 is fixed with the inner walls of the circuit board 2 and the connecting cylinder 31, and further, the connecting cylinder 31 and the circuit board 2 can be fixed, before installing, the connecting cylinder 31 and the circuit board 2 are fixed by bonding (as shown in fig. 5), so that it is ensured that the installation is more convenient and stable, and the situation that the position of the connecting cylinder 31 is deviated in the glue pouring process is avoided.
In the above-described embodiment, the temperature sensor 32 and the circuit board 2 are fixed by soldering, or alternatively, they may be fixed by adhesion, that is, before the glue filling operation, the temperature sensor 32 and the circuit board 2 are fixed by welding or bonding, the connector barrel 31 and the circuit board 2 are then secured, such that the temperature sensor 32 is located within the connector barrel 31 (as shown in figure 5), then, the glue is poured into the connecting cylinder 31 (as shown in fig. 6), and in this embodiment, the temperature sensor 32 and the circuit board 2 may be fixed by the heat-conducting glue 33, when the temperature sensor 32 and the circuit board 2 are fixed before glue filling, the position of the temperature sensor 32 can be more stable, the situations of position deviation and the like in the glue filling process can be avoided, also, the connection stability between the temperature sensor 32 and the circuit board 2 can be further ensured by the solder fixing.
In the above embodiment, as shown in fig. 1 to 3, the information collecting assembly further includes a collecting sheet 4, the collecting sheet 4 is connected between the circuit board 2 and the aluminum row of the wiring board 12 of the battery module 1, and the collecting sheet 4 and the aluminum row are fixed by welding for detecting the voltage of the battery module 1.
Specifically, this gather piece 4 and locate circuit board 2 towards one side of battery module 1, that is to say, gather piece 4 and temperature acquisition unit 3 and all set up in circuit board 2 towards one side of battery module 1, and so, can reduce the overall height of this information acquisition subassembly, be convenient for its whole arrangement in the battery package.
In the above embodiment, the wiring board 12 of the circuit board 2 and the battery module 1 is fixed through bonding, the one end of the collection sheet 4 is fixed with the circuit board 2, the other end is fixed with the aluminum row of the wiring board 12 by welding, that is, the collection sheet 4 can realize local fixation between the circuit board 2 and the wiring board 12, the circuit board 2 and the wiring board 12 can provide further auxiliary fixation through bonding fixation, the connection stability between the two is ensured, and the situation that the edge of the circuit board 2 is tilted can be avoided.
In the above embodiment, as shown in fig. 1, 2 and 5, the information collecting assembly further includes a connecting device 5, and the connecting device 5 is connected to the circuit board 2 and is used for being connected to an external electrical appliance or a control device to realize signal transmission, so as to transmit information collected by the information collecting assembly to the external electrical appliance or the control device. Specifically, how to implement signal transmission between the circuit board 2 and an external electrical device or a control device through a wire or the like by the connecting device 5 is a mature prior art for those skilled in the art, and for saving the text, it is not described herein again.
In the above embodiment, the connector barrel 31 is made of plastic, and is light in weight and insulated, specifically, the size of the connector barrel 31 is not required, as long as the temperature sensor 32 can be placed in the connector barrel 31, and the depth of the temperature sensor can meet the requirement that the gap between the temperature sensor and the battery cell 11 is the preset gap.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The information acquisition assembly of the battery pack is characterized by comprising a circuit board (2) and a temperature acquisition unit (3), wherein the temperature acquisition unit (3) is arranged on one side, facing the battery module (1) of the battery pack, of the circuit board (2);
the temperature acquisition unit (3) comprises a connecting cylinder (31) and a temperature sensor (32), heat-conducting glue (33) is poured into the connecting cylinder (31), and the temperature sensor (32) is embedded in the heat-conducting glue (33).
2. The information acquisition assembly according to claim 1, characterized in that a preset gap is provided between the end of the connecting cylinder (31) and the battery cell (11) of the battery module (1).
3. The information acquisition assembly according to claim 1, characterized in that the connector barrel (31) is fixed to the circuit board (2) by gluing.
4. The information acquisition assembly according to claim 3, characterized in that the temperature sensor (32) is fixed to the circuit board (2) by soldering.
5. The information acquisition assembly according to any one of claims 1 to 4, further comprising an acquisition sheet (4) connected to the circuit board (2), wherein the acquisition sheet (4) is welded and fixed to the aluminum row of the wiring board (12) of the battery module (1) for detecting the voltage of the battery module (1).
6. The information acquisition assembly according to claim 5, wherein the acquisition sheet (4) is provided on a side of the circuit board (2) facing the battery module (1).
7. The information acquisition assembly according to claim 5, characterized in that the circuit board (2) and the wiring board (12) are fixed by adhesion.
8. An information collecting assembly according to any of claims 1-4, characterized in that the connecting cylinder (31) is made of plastic.
9. The information acquisition assembly according to any one of claims 1 to 4, further comprising a connection device (5) for connection with an external device, said connection device (5) being connected to said circuit board (2) by a wire.
10. A battery pack, characterized in that it comprises a battery module (1) and an information collecting assembly according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020375947.1U CN211480228U (en) | 2020-03-23 | 2020-03-23 | Battery pack and information acquisition assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020375947.1U CN211480228U (en) | 2020-03-23 | 2020-03-23 | Battery pack and information acquisition assembly thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211480228U true CN211480228U (en) | 2020-09-11 |
Family
ID=72376287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020375947.1U Active CN211480228U (en) | 2020-03-23 | 2020-03-23 | Battery pack and information acquisition assembly thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211480228U (en) |
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2020
- 2020-03-23 CN CN202020375947.1U patent/CN211480228U/en active Active
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