CN219246884U - Connection terminal and battery pack - Google Patents
Connection terminal and battery pack Download PDFInfo
- Publication number
- CN219246884U CN219246884U CN202223401302.9U CN202223401302U CN219246884U CN 219246884 U CN219246884 U CN 219246884U CN 202223401302 U CN202223401302 U CN 202223401302U CN 219246884 U CN219246884 U CN 219246884U
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- main body
- temperature
- connection terminal
- voltage
- acquisition end
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- 239000003292 glue Substances 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 5
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- 238000001514 detection method Methods 0.000 claims description 2
- 230000004308 accommodation Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 230000010354 integration Effects 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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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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- Secondary Cells (AREA)
Abstract
The application provides a connection terminal and a battery pack. The connecting terminal comprises a connecting sheet, a temperature acquisition end and a voltage acquisition end. The connection piece includes main part and the first extension portion and the second extension portion of being connected with the main part, because the first extension portion includes the straightway and encloses the section that encloses that closes that forms accommodation space, the straightway is connected the main part respectively and is enclosed the section that closes, the accommodation space is located to the temperature acquisition end and enclose the section that closes to be connected, the voltage acquisition end is connected with the second extension portion, and the main part is used for being connected with waiting to gather the object, can enough make the temperature acquisition end acquire the temperature of waiting to gather the object through the main part, still can acquire the object voltage of waiting to gather through the main part through the voltage acquisition end, satisfy the demand of gathering temperature, voltage parameter data simultaneously. Meanwhile, the temperature acquisition end and the voltage acquisition end are integrated in the main body part, so that the integration level of the connecting terminal is improved, the assembly process is simpler, and the error rate is reduced.
Description
Technical Field
The application relates to the technical field of power battery management, in particular to a connecting terminal and a battery pack.
Background
New energy automobiles gradually become the main stream type of the automobile market due to the advantages of energy conservation and environmental protection. The charging and discharging capabilities of the new energy automobile are widely focused, so that the parameters such as the voltage and the temperature of the battery are required to be monitored in real time when the new energy automobile works, a plurality of acquisition terminals are often required to be installed to respectively measure the parameters such as the voltage and the temperature of the battery, and the procedures for measuring the parameters by the acquisition terminals are complicated and easy to make mistakes. In the prior art, the connection strength of the acquisition terminal and the connecting plate is low, and the acquisition terminal and the connecting plate are easy to fall off, so that the detection precision is affected.
Based on this, the present application provides a connection terminal and a battery pack.
Disclosure of Invention
The connecting terminal and the battery pack provided by the application can improve the integration level of the connecting terminal, so that the assembly process is simpler, and the connection strength of the temperature acquisition end and the connecting sheet and the connection strength of the voltage acquisition end and the connecting sheet can be improved.
Embodiments of a first aspect of the present application provide a connection terminal, the connection terminal comprising:
the connecting piece comprises a main body part, a first extension part and a second extension part, wherein the first extension part and the second extension part are connected with the main body part, the main body part is used for being connected with an object to be collected, the first extension part comprises a straight line section and a surrounding section which surrounds the straight line section to form a containing space, and the straight line section is respectively connected with the main body part and the surrounding section; the temperature acquisition end is arranged in the accommodating space and connected with the enclosing section, and is configured to acquire the temperature of an object to be acquired through the main body part; and the voltage acquisition end is connected with the second extension part and is configured to acquire the voltage flowing through the object to be acquired through the main body part.
According to any of the foregoing embodiments of the first aspect of the present application, the temperature collecting terminal and the voltage collecting terminal each extend along a first direction and are disposed at intervals along a second direction, and the second direction intersects the first direction.
According to any of the foregoing embodiments of the first aspect of the present application, the first extending portion and the second extending portion are disposed on the same side of the main body portion, and a separation groove for separating the first extending portion and the second extending portion is disposed on the main body portion, and in the first direction, the separation groove is recessed from a side surface of the main body portion facing the first extending portion and the second extending portion toward a direction of the main body portion facing away from the first extending portion and the second extending portion.
According to any one of the foregoing embodiments of the first aspect of the present application, the main body portion is provided with two connection holes, one of the two connection holes is disposed at intervals along the first direction with the temperature acquisition end, and the other one is disposed at intervals along the first direction with the voltage acquisition end.
According to any of the foregoing embodiments of the first aspect of the present application, the two connection holes are disposed at intervals along the second direction.
According to any of the foregoing embodiments of the first aspect of the present application, the connection terminal further includes a heat-conducting glue, and the heat-conducting glue is disposed in the accommodating space to connect the enclosing section and the temperature collecting end.
According to any one of the foregoing embodiments of the first aspect of the present application, the temperature collecting end includes a thermistor type temperature sensor and a first wire disposed on the thermistor type temperature sensor, and the temperature sensor is connected to the enclosing section through a heat conducting adhesive and connected to the external detecting member through the first wire.
According to any of the foregoing embodiments of the first aspect of the present application, the enclosing section encloses a cylindrical shape.
According to any of the foregoing embodiments of the first aspect of the present application, the second extension portion includes a crimping end, the voltage collecting end includes a second wire, and the second wire is clamped at the crimping end.
The second aspect of the application also provides a battery pack, which comprises the connecting terminal provided by any one of the embodiments of the first aspect of the application.
The application provides a connection terminal and a battery pack. The connecting terminal comprises a connecting sheet, a temperature acquisition end and a voltage acquisition end. The connection piece includes main part and the first extension portion and the second extension portion of being connected with the main part, because the first extension portion includes the straightway and encloses the section that encloses that closes that forms accommodation space, the straightway is connected the main part respectively and is enclosed the section that closes, the accommodation space is located to the temperature acquisition end and enclose the section that closes to be connected, the voltage acquisition end is connected with the second extension portion, and the main part is used for being connected with waiting to gather the object, can enough make the temperature acquisition end acquire the temperature of waiting to gather the object through the main part, still can acquire the object voltage of waiting to gather through the main part through the voltage acquisition end, satisfy the demand of gathering temperature, voltage parameter data simultaneously. Meanwhile, the temperature acquisition end and the voltage acquisition end are integrated in the main body part, so that the integration level of the connecting terminal is improved, the assembly process is simpler, and the error rate is reduced. And the connection strength between the temperature acquisition end and the connecting sheet and between the voltage acquisition end and the connecting sheet can be improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a connection terminal according to an embodiment of the present application;
fig. 2 is a schematic structural view of another connection terminal according to an embodiment of the present application.
Reference numerals illustrate:
100. a connection terminal;
1. a connecting sheet; 11. a main body portion; 111. a separation groove; 112. a connection hole; 12. a first extension; 121. a straight line segment; 122. enclosing the section; 13. a second extension;
2. a temperature acquisition end; 21. a first wire;
3. a voltage acquisition end; 31. a second wire;
x, a first direction; y, second direction.
Detailed Description
Features and exemplary embodiments of various aspects of the present application are described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the present application by showing an example of the present application. In the drawings and the following description, at least some well-known structures and techniques are not shown in order to avoid unnecessarily obscuring the present application; also, the dimensions of some of the structures may be exaggerated for clarity. Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
In the description of the present application, it is to be noted that, unless otherwise indicated, the meaning of "plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," and the like indicate an orientation or positional relationship merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present application. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The directional terms appearing in the following description are all directions shown in the drawings and do not limit the specific structure of the embodiments of the present application. In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected. The specific meaning of the terms in the present application can be understood as appropriate by one of ordinary skill in the art.
For a better understanding of the technical solutions and technical effects of the present application, specific embodiments will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1 and fig. 2 in combination, fig. 1 is a schematic structural diagram of a connection terminal according to an embodiment of the present application, and fig. 2 is a schematic structural diagram of another connection terminal according to an embodiment of the present application. The first aspect of the present application provides a connection terminal 100, the connection terminal 100 includes a connection piece 1, a temperature collection end 2 and a voltage collection end 3. The connecting piece 1 includes main part 11 and with the first extension 12 and the second extension 13 of main part 11 connection, main part 11 is used for being connected with waiting to gather the object, first extension 12 includes straightway 121 and encloses and close the section 122 that encloses that forms accommodation space, straightway 121 connects main part 11 and encloses respectively and close section 122, temperature acquisition end 2 locates accommodation space and is connected with enclosing section 122, temperature acquisition end 2 is configured to obtain the temperature of waiting to gather the object through main part 11, voltage acquisition end 3 is connected with second extension 13, voltage acquisition end 3 is configured to obtain the voltage that flows through waiting to gather the object through main part 11.
In the connection terminal 100 provided by the application, the connection piece 1 comprises a main body part 11, a first extension part 12 and a second extension part 13, wherein the first extension part 12 and the second extension part 13 are connected with the main body part 11, the temperature acquisition end 2 is arranged in an accommodating space formed by enclosing the enclosing section 122 and is connected with the enclosing section 122, and the voltage acquisition end 3 is connected with the second extension part 13. The connecting terminal 100 integrates the temperature acquisition end 2 and the voltage acquisition end 3 on the connecting sheet 1 together, so that the integration level of the connecting terminal 100 can be improved, the assembly process is simpler, and the manufacturing cost of the connecting terminal 100 is reduced. The connection terminal 100 can simultaneously acquire the temperature and the voltage of the object to be acquired, so that the acquisition speed of sampling temperature and voltage data can be increased. And the connection strength between the temperature acquisition end 2 and the connecting sheet 1 and the connection strength between the voltage acquisition end 3 and the connecting sheet 1 can be improved.
Optionally, the connection terminal 100 provided in the present application may be applied to a battery pack, and the temperature and voltage data of the battery pack may be obtained simultaneously by installing one connection terminal 100 on the battery pack, so that the speed of obtaining the temperature and voltage data of the battery pack may be increased.
Optionally, the connecting piece 1 is a metal piece and can be made of aluminum, copper, nickel and other materials with better electric conduction and heat conduction. The temperature acquisition terminal 2 may have a negative temperature coefficient (Negative Temperature Coefficient, NTC), and the resistance of the temperature acquisition terminal 2 may decrease with increasing temperature. The voltage acquisition terminal 3 is made of conductive material. The temperature of the object to be collected is transferred from the first extension 12 to the temperature collection terminal 2, and the temperature collection terminal 2 converts the temperature into a standard current signal and transmits the standard current signal to the signal collection device. The voltage of the object to be collected is transmitted from the second extension 13 to the voltage collection terminal 3, and the voltage collection terminal 3 converts the voltage into an output signal and transmits the output signal to the signal collection device.
In some alternative embodiments, the temperature acquisition terminal 2 and the voltage acquisition terminal 3 each extend along a first direction X and are spaced apart along a second direction Y, which intersects the first direction X.
In these alternative embodiments, one of the first direction X and the second direction Y may be the length direction of the connection sheet 1, the other may be the width direction of the connection sheet 1, and the second direction Y is perpendicular to the first direction X.
In some alternative embodiments, the first extension portion 12 and the second extension portion 13 are disposed on the same side of the main body portion 11, and the main body portion 11 is provided with a separation groove 111 for separating the first extension portion 12 and the second extension portion 13, and in the first direction X, the separation groove 111 is concavely disposed from the main body portion 11 toward a side surface of the first extension portion 12 and the second extension portion 13 toward a direction of the main body portion 11 away from the first extension portion 12 and the second extension portion 13.
In these alternative embodiments, the separation groove 111 may space the first extension portion 12 and the second extension portion 13, which are all disposed at the same side of the main body portion 11, so as to prevent the temperature collection terminal 2 and the voltage collection terminal 3 from being electrically connected to damage the connection terminal 100. The partition groove 111 concavely provided from the side surface of the main body 11 toward the first extension 12 and the second extension 13 toward the main body 11 away from the first extension 12 and the second extension 13 in the first direction X can reduce the area of the main body 11, reduce the manufacturing cost of the main body 11, and the partition groove 111 can also allow a user to observe the state of the object to be collected from the thickness direction of the connection terminal 100.
In some alternative embodiments, the main body 11 is provided with two connecting holes 112, one of the two connecting holes 112 is spaced from the temperature collecting end 2 along the first direction X, and the other connecting hole is spaced from the voltage collecting end 3 along the first direction X.
In some alternative embodiments, two of the connection holes 112 are spaced apart along the second direction Y.
In these alternative embodiments, the connection holes 112 may be penetrated by bolts to fixedly connect the connection terminal 100 with the object to be collected, and the connection strength of the bolt connection is stronger than that of the welding connection. When the connection terminal 100 is mounted, the connection terminal 100 may be fixed to an object to be collected by passing through the connection hole 112 by a fixing member such as a bolt.
Optionally, the main body 11 may further include threads that enclose the connection hole 112.
In some alternative embodiments, the connection terminal 100 further includes a heat conductive glue disposed in the receiving space to connect the enclosure section 122 and the temperature collection end 2.
In these alternative embodiments, the heat-conducting glue provided in the receiving space may make the connection of the enclosing section 122 and the temperature collecting terminal 2 more stable. The heat-conducting glue has a heat-conducting effect and can transfer the temperature of the object to be collected from the first extension 12 to the temperature collection end 2.
In some alternative embodiments, the temperature collection terminal 2 includes a thermistor-type temperature sensor and a first wire 21 disposed on the thermistor-type temperature sensor, where the temperature sensor is connected to the enclosure 122 through a heat-conducting adhesive and to an external detecting member through the first wire 21.
In these alternative embodiments, the thermistor type temperature sensor may convert the temperature into a standard current signal, and the first wire 21 is connected to the external sensing member, and the standard current signal may be output to the external sensing member through the first wire 21. The temperature collection terminal 2 may be two-wire, the number of the first wires 21 may be two, and the two first wires 21 may be led out from the same side of the thermistor type temperature sensor to extend along the first direction X and be arranged at intervals along the second direction Y, so that the two first wires 21 are insulated from each other. The connection terminal 100 may be used to collect temperature and voltage data of the battery pack, and the external sensing member may be a battery management system (Battery Management System, BMS).
Optionally, the temperature collecting end 2 may be a three-wire system or a four-wire system, and the measurement accuracy of the three-wire system or the four-wire system temperature collecting end 2 is better.
Alternatively, the thermistor-type temperature sensor may be a water-drop-type thermistor-type temperature sensor.
In some alternative embodiments, the enclosing section 122 encloses a cylinder.
In these alternative embodiments, the cylindrical enclosure section 122 may better encase the temperature collection end 2.
In some alternative embodiments, the second extension 13 includes a crimp end, the voltage acquisition end 3 includes a second wire 31, and the second wire 31 is snapped onto the crimp end.
In these alternative embodiments, the second wire 31 may be snapped into the crimp end by applying pressure to the second extension 13 to form the crimp end such that the second wire 31 is more tightly connected to the crimp end.
The voltage acquisition terminal 3 can detect and acquire the voltage of the object to be acquired and can convert the voltage into an output signal. The second wire 31 is connected to an external detecting member, and the output signal can be output to the external detecting member through the second wire 31.
Embodiments of the second aspect of the present application also provide a battery pack including the connection terminal provided in any one of the embodiments of the first aspect of the present application. The connecting terminal can be fixedly connected with electric parts such as a relay in the battery pack or copper bars so as to acquire temperature and voltage data of the battery pack. The second aspect of the present application has the beneficial effects of the first aspect of the present application, and is not described herein.
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other.
In addition, the term "and/or" herein is merely an association relationship describing an association object, and means that three relationships may exist, for example, a and/or B may mean: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.
It should be understood that in the embodiments of the present application, "B corresponding to a" means that B is associated with a, from which B may be determined. It should also be understood that determining B from a does not mean determining B from a alone, but may also determine B from a and/or other information.
The foregoing is merely a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, and any equivalent modifications or substitutions will be apparent to those skilled in the art within the scope of the present application, and these modifications or substitutions should be covered in the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. A connection terminal, characterized in that the connection terminal comprises:
the connecting piece comprises a main body part, a first extension part and a second extension part, wherein the first extension part and the second extension part are connected with the main body part, the main body part is used for being connected with an object to be collected, the first extension part comprises a straight line section and a surrounding section which surrounds the straight line section to form an accommodating space, and the straight line section is respectively connected with the main body part and the surrounding section;
the temperature acquisition end is arranged in the accommodating space and connected with the enclosing section, and is configured to acquire the temperature of the object to be acquired through the main body part;
and the voltage acquisition end is connected with the second extension part and is configured to acquire the voltage flowing through the object to be acquired through the main body part.
2. The connection terminal of claim 1, wherein the temperature and voltage collection terminals each extend in a first direction and are spaced apart in a second direction, the second direction intersecting the first direction.
3. The connection terminal according to claim 2, wherein the first extending portion and the second extending portion are both provided on the same side of the main body portion, a partition groove that partitions the first extending portion and the second extending portion is provided on the main body portion, and in the first direction, the partition groove is recessed from a side surface of the main body portion toward the first extending portion and the second extending portion toward a direction in which the main body portion faces away from the first extending portion and the second extending portion.
4. The connecting terminal according to claim 2, wherein the main body portion is provided with two connecting holes, one of the two connecting holes is spaced from the temperature collection end along the first direction, and the other connecting hole is spaced from the voltage collection end along the first direction.
5. The connection terminal according to claim 4, wherein two of the connection holes are provided at intervals along the second direction.
6. The connection terminal according to claim 1, further comprising a heat conductive adhesive disposed in the receiving space to connect the enclosing section and the temperature collection end.
7. The connection terminal of claim 6, wherein the temperature collection terminal comprises a thermistor type temperature sensor and a first wire arranged on the thermistor type temperature sensor, and the temperature sensor is connected with the enclosing section through the heat conducting glue and is connected with an external detection part through the first wire.
8. The connection terminal of claim 1, wherein the enclosing section encloses a cylinder.
9. The connection terminal of claim 1, wherein the second extension includes a crimp end, the voltage acquisition end includes a second wire, and the second wire is snapped onto the crimp end.
10. A battery pack comprising the connection terminal according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223401302.9U CN219246884U (en) | 2022-12-19 | 2022-12-19 | Connection terminal and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223401302.9U CN219246884U (en) | 2022-12-19 | 2022-12-19 | Connection terminal and battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219246884U true CN219246884U (en) | 2023-06-23 |
Family
ID=86804255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223401302.9U Active CN219246884U (en) | 2022-12-19 | 2022-12-19 | Connection terminal and battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219246884U (en) |
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2022
- 2022-12-19 CN CN202223401302.9U patent/CN219246884U/en active Active
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