CN216720118U - Battery pack and electric equipment - Google Patents

Abstract

The application relates to the technical field of lithium batteries, particularly, discloses a group battery and consumer, and this group battery includes shell, automatically controlled spare and a plurality of electric core group, is formed with installation space in the shell, and automatically controlled spare sets up in installation space, is provided with the interface that charges and the interface that discharges that is used for connecting on the electrically controlled spare, and a plurality of electric core group all are connected with automatically controlled spare electricity, and electric core group includes a plurality of electric cores of series connection, and each electric core group is parallelly connected and is set up. Connect through the interface that charges and the interface that discharges and can realize charging or discharging of group battery, the electric core group that a plurality of electric cores through series connection formed to with each electric core group parallel connection setting, can promote the capacity of group battery, improve the charge-discharge number of times, increase of service life improves the security performance.

Description

Battery pack and electric equipment

Technical Field

The application generally relates to the technical field of lithium batteries, and particularly discloses a battery pack and electric equipment.

Background

Since the advent of intelligent door locks, the intelligent door locks are continuously favored by the market and gradually popularized to thousands of households. The intelligent door lock mainly comprises an electronic part and a mechanical part, wherein the electronic part is a core control element of the intelligent door lock, and a battery provides electric energy for the electronic element.

The intelligent door lock battery on the current market mainly comprises a dry battery and a polymer lithium battery, wherein the dry battery is mainly used for a semi-automatic door lock, and the lithium battery is mainly used for a full-automatic door lock. The lithium batteries in the market are mainly packaged by polymer envelopes, and the polymer lithium batteries are low in energy, low in charging and discharging frequency, easy to bulge and difficult to meet the use requirements of consumers.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems that in the prior art, the energy of a lithium battery is low, and the number of charging and discharging times is small, the application provides a battery pack and electric equipment.

In order to realize the purpose of the utility model, the following technical scheme is adopted in the application:

in a first aspect, there is provided a battery pack including:

a housing having an installation space formed therein;

the electric control part is arranged in the installation space and is provided with a charging interface and a discharging interface for connection; and

the electric core groups are electrically connected with the electric control component and comprise a plurality of electric cores connected in series, and the electric core groups are arranged in series or in parallel.

Wherein a first limiting part is arranged in the mounting space, and the first limiting part is matched with the electric control part to limit the electric control part.

Wherein the first limiting part is a clamping groove arranged on the shell, and the clamping groove is in clamping fit with the electric control part.

Wherein the electrical control with be provided with the backup pad between the electric core group, the first face of backup pad be provided with be used for with automatically controlled piece complex first fixed part, the second face of backup pad be provided with be used for with electric core group complex second fixed part.

The electric control part is provided with a first connecting part which is used for being matched with the first fixing part; one of the first fixing part and the first connecting part is of a groove structure, and the other one of the first fixing part and the first connecting part is of a lug structure.

Wherein the electrical control part is provided with an indicator light, and the shell is provided with a hole part at the position corresponding to the indicator light.

The shell comprises a first shell and a second shell which are matched with each other, a first limiting part is arranged on the first shell, a second limiting part is arranged on the second shell, and the first limiting part and the second limiting part are matched with each other to connect the first shell and the second shell.

The first shell and the second shell are both provided with a plurality of second limiting parts, and the second limiting parts are used for limiting the battery cell in the installation space.

Wherein a handle is arranged on the shell.

In a second aspect, an electric device is provided, which includes the battery pack described above.

According to the technical scheme, the battery pack and the electric equipment have the advantages and positive effects that: the application discloses group battery and consumer, this group battery include shell, automatically controlled subassembly and a plurality of electric core group, are formed with installation space in the shell, and automatically controlled subassembly sets up in installation space, is provided with the interface that charges and the interface that discharges that is used for connecting on the electrically controlled subassembly, and a plurality of electric core group all are connected with automatically controlled subassembly electricity, and electric core group includes a plurality of electric cores of series connection, and each electric core group is parallelly connected and is set up. To sum up, through connecting through the interface that charges and the interface that discharges and can realizing charging or discharging of group battery, the electric core group that a plurality of electric cores through series connection formed to with each electric core group parallel connection setting, can promote the capacity of group battery, improve the charge-discharge number of times, increase of service life improves the security performance.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model.

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

Fig. 1 is a schematic view illustrating the overall structure of a battery pack according to an exemplary embodiment.

Fig. 2 is a schematic diagram illustrating an explosion structure of a battery pack according to an exemplary embodiment.

Fig. 3 is a schematic structural diagram of a battery pack according to an exemplary embodiment, the battery pack being mainly used for embodying the second stopper portion.

Fig. 4 is a schematic diagram illustrating a configuration of an electrical control in a battery pack according to an exemplary embodiment.

Fig. 5 is a schematic structural view illustrating a middle support plate of a battery pack according to an exemplary embodiment.

Wherein the reference numerals are as follows:

1. a housing; 2. an electrical control; 3. an installation space; 4. a charging interface; 5. a discharge interface; 6. An electric core; 7. an opening; 8. a first limiting part; 9. a support plate; 10. a first side; 11. a first fixed part; 12. a second fixed part; 13. a first connection portion; 14. a first housing; 15. a second housing; 16. a first limit piece; 17. a second limiting member; 18. a second limiting part; 19. an indicator light; 20. an opening part; 21. a handle.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It is noted that in the description and claims of the present application and in the above-mentioned drawings, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein.

Also, the terms "comprises," "comprising," and "having," as well as any variations thereof or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements explicitly listed, but may include other steps or elements not explicitly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Spatially relative terms, such as "above … …," "above … …," "above … … surface," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Referring to fig. 1 to 5, the present disclosure provides a battery pack including a case 1, an electric control part 2, and a plurality of battery cell packs. Wherein, the inside of shell 1 is formed with installation space 3, and electric control 2 sets up in installation space 3, is provided with the interface 4 that charges and the interface 5 that discharges that are used for connecting on electric control 2. A plurality of electric core groups all are connected with automatically controlled 2 electricity, and electric core group is including a plurality of electric cores 6 of series connection, and each electric core group is established ties or parallel connection sets up.

In the in-service use in-process, connect through interface 4 that charges and interface 5 that discharges and can realize charging or discharging of group battery, the electric core group that a plurality of electric cores 6 through series connection formed, each electric core group is through parallelly connected or series connection parallel connection's the form that sets up, can promote the capacity of group battery, improves the number of times that charges and discharges, increase of service life improves the security performance.

Specifically, the battery cell 6 includes a 18650 model battery cell 6, a 14650 model battery cell 6, a 21700 model battery cell 6, and the like; the electric core 6 in the embodiment of the present disclosure is an electric core 6 of 18650 model.

Specifically, the two electric cores 6 connected in series in the electric core group are provided, and the two electric cores 6 are electrically connected in series, so that the capacity of the battery pack can be improved. The embodiment of the present disclosure takes two electric cores 6 in the electric core group as an example for description, and in other application environments, when a user needs a battery with a larger capacity for use, the number of the electric cores 6 in the electric core group can also be set to three, four or more. In addition, the number of the battery cells 6 in each battery cell group can be completely the same or partially the same or different according to different application environments and technical requirements.

Specifically, the battery pack includes a plurality of electric core groups, the number of the electric core groups may be two, three, four or more, and the number of the electric core groups in the embodiment of the present disclosure is set to be two. When the number of the electric core groups is two and two electric cores 6 are arranged in each electric core group, the voltage of the battery pack provided by the embodiment can reach 7.4V, the nominal capacity is 5200mAh-7000mAh, and the number of times of charging and discharging of the 18650 battery pack can reach 1000 times. The connection mode between each electric core group can be connected according to staff's actual use demand, for example, thereby each electric core group can realize the electric capacity of group battery and promote by series connection, thereby each electric core group also can select the electric capacity of parallel connection's mode of setting to realize the group battery and promote.

Optionally, openings 7 are arranged at corresponding positions of the housing 1, the charging interface 4 and the discharging interface 5; therefore, in the actual use process, the working personnel can be connected with the charging interface 4 or the discharging interface 5 through the opening 7, so that the charging or discharging function is realized.

Specifically, a first limiting portion 8 is arranged in the installation space 3, and the first limiting portion 8 is matched with the electric control component 2 to limit the electric control component 2. Thereby fix electric control 2 spacing in shell 1 through setting up of first spacing portion 8, avoid the operation of the interface 4 that charges on electric control 2 or the reciprocal plug of interface 5 that discharges to make electric control 2 at installation space 3 internalization, lead to charging interface 4 or discharge interface 5 and shell 1 on 7 positions of opening not correspond, influence grafting complex effect.

Optionally, the first limiting portion 8 is a clamping groove formed in the housing 1, and the clamping groove is in clamping fit with the electrical control component 2. The clamping groove is clamped at the side of the electric control part 2, so that the electric control part 2 is limited to move in the length direction of the shell 1.

Optionally, two clamping grooves are provided, and the two clamping grooves are respectively used for being matched with two opposite sides of the electric control part 2. Through the setting of two draw-in grooves, can improve the spacing effect of draw-in groove to automatically controlled piece 2. In addition, the card slots can be arranged to be three, four or more, and the reliability of the position of the electric control part 2 in the shell 1 is improved through the arrangement of the plurality of card slots.

Optionally, the first limiting portion 8 may also be a buckle disposed on the housing 1, and the buckle cooperates with the electrical control 2 to limit the electrical control 2. Through the lock effect of buckle, further promote the reliability of electrical control part 2 in shell 1, however because be provided with a plurality of electronic components on electrical control part 2, consequently, the buckle with the circumstances of 2 joint locks of electrical control part under, need notice dodge the electronic components on electrical control part 2, avoid the performance in the 2 installation of electrical control part to cause the damage. It should be noted that, those skilled in the art may also arrange the first position-limiting portion 8 in other forms for limiting the position of the electric control 2, and the above is only an exemplary illustration.

Specifically, the electrical control part 2 with be provided with the backup pad 9 between the electric core group, the first face 10 of backup pad 9 be provided with be used for with electrical control part 2 complex first fixed part 11, the second face of backup pad 9 be provided with be used for with electric core group complex second fixed part 12. The electric control 2 and the electric core group which are arranged in the installation space 3 are separated through the arrangement of the supporting plate 9, and the possibility that the electric core 6 in the electric core group of the battery pack in the use process is collided with the electric control 2 is avoided. In addition, the electric control part 2 is fixed through the first fixing part 11, and the electric core 6 in the electric core group can also be fixed through the second fixing part 12, so that the position reliability of the electric control part 2 and the electric core 6 is enhanced.

First spacing portion 8 is used for restricting the position of electrical control part 2 on shell 1 length direction, and first fixed part 11 then is used for restricting the position of electrical control part 2 on shell 1 width direction, under the condition of restriction in the time of first spacing portion 8 and first fixed part 11 for electrical control part 2 atress can not take place the offset in arbitrary direction, thereby guarantees to charge interface 4 and the stability of discharging interface 5 and shell 1 corresponding position.

Optionally, a first connecting portion 13 for cooperating with the first fixing portion 11 is disposed on the electrical control 2; one of the first fixing portion 11 and the first connecting portion 13 is a groove structure, and the other is a bump structure. The lug structure extends in the length direction of the shell 1 and is arranged, the groove structure is a groove formed in the length direction of the shell 1, the lug structure is embedded in the groove structure, the electric control part 2 is connected with the supporting plate 9, and the movement of the electric control part 2 in the width direction of the shell 1 is limited.

Specifically, the number of the first fixing portions 11 is not limited in the present application, and for example, the first fixing portions 11 are provided with one, preferably, when the first fixing portions 11 are provided in a vertical direction of a middle position of the electrical control part 2 in the width direction of the casing 1. In addition, two first fixing portions 11 may be provided, and the two first fixing portions 11 may be spaced apart from each other in the width direction of the housing 1. The first fixing portions 11 can be further provided with three first fixing portions 11, so that the fixing effect of the supporting plate 9 on the electric control part 2 can be greatly improved through the three first fixing portions 11. In some use cases, or according to the distribution of electronic components on the electrical control 2, the first fixing portion 11 may also be provided with a plurality of forms, which are not listed here.

Specifically, the housing 1 includes a first housing 14 and a second housing 15 that are matched with each other, a first limiting member 16 is disposed on the first housing 14, a second limiting member 17 is disposed on the second housing 15, and the first limiting member 16 and the second limiting member 17 are matched with each other to connect the first housing 14 and the second housing 15. The housing 1 can be opened or closed by the cooperation between the first casing 14 and the second casing 15, thereby facilitating maintenance or replacement of the components in the installation space 3. The specific connection mode of the first housing 14 and the second housing 15 is not limited in this application, and as an example, one of the first housing 14 and the second housing 15 may be an upper shell, and the other may be a lower shell; alternatively, one of the first housing 14 and the second housing 15 may be a left housing and the other may be a right housing; alternatively, one of the first housing 14 and the second housing 15 may be a front case and the other may be a rear case. And the shapes of the first housing 14 and the second housing 15 may be the same or different, and the volumes of the first housing 14 and the second housing 15 may be the same or different, so that the installation space 3 may be formed by being fitted to each other.

Optionally, the first limiting member 16 and the second limiting member 17 are engaged with each other to facilitate the connection between the first housing 14 and the second housing 15, so as to ensure the reliability of the connection between the first housing 14 and the second housing 15, and avoid the situation that the first housing 14 or the second housing 15 is assembled reversely when the first housing 14 or the second housing 15 is assembled.

In order to ensure the connection tightness of the whole shell 1, the edges of the first shell 14 and the second shell 15 are connected by ultrasonic welding, and the shell 1 is formed by an integrated ultrasonic fusion process, so that the safety performance and the reliability of the shell 1 can be improved.

Optionally, a plurality of second limiting parts 18 are disposed on each of the first casing 14 and the second casing 15, and the second limiting parts 18 are used for limiting the battery cell 6 in the installation space 3. The second position-limiting portion 18 is configured to adapt to the shape of the surface of the battery cell 6, and as an example, the battery cell 6 provided in this embodiment is cylindrical, and therefore, the surface of the second position-limiting portion 18 configured to cooperate with the side edge of the battery cell 6 is configured to be an arc surface. The number of the second position-limiting parts 18 can be increased along with the increase of the size of the battery cell 6, and the stability of the battery cell 6 in the casing 1 is ensured by more second position-limiting parts 18.

Specifically, the electrical control unit 2 is provided with an indicator lamp 19, and a hole portion 20 is provided at a position of the housing 1 corresponding to the indicator lamp 19. The current state of the battery pack can be visually observed by workers through the arrangement of the indicator lamp 19, for example, when the indicator lamp 19 is turned on by a yellow light, the fact that the battery pack is low in capacitance and needs to be charged is indicated, and a user can electrically connect the battery pack through the charging interface 4 to charge the battery pack; when the indicator light 19 is lighted in red, the electric capacity in the battery pack is extremely low; when the indicator lamp 19 is turned on, it indicates that the battery pack has a large capacity and can be discharged, and the user can use the battery pack by discharging through the discharge interface 5.

Optionally, a power management chip is further disposed on the electrical control 2, and the power management chip is electrically connected to the electrical control 2. The power management chip is a chip which plays roles in conversion, distribution and detection of electric energy and other electric energy management in an electronic equipment system, and is mainly responsible for identifying a power supply amplitude value, generating a corresponding short moment wave and pushing a rear-stage circuit to output power.

Specifically, the housing 1 is provided with a handle 21, and the handle 21 is arranged to facilitate a user to transport the battery pack to any position. The handle 21 is provided on the first housing 14, and the user can also open the installation space 3 by separating the first housing 14 and the second housing 15 by the handle 21.

Referring to fig. 1 to 5, an embodiment of the present disclosure also provides an electric device, which includes the aforementioned battery pack. For technical features of the battery pack, reference may be made to the foregoing description, and details are not repeated herein. Since the battery pack provided in the foregoing embodiment is enlarged, the electric device having the battery pack also has all the technical effects described above, and details are not repeated here.

The electric equipment provided by the embodiment of the disclosure can be intelligent single-product equipment such as an intelligent door lock, a human body sensor, an alarm, a temperature and humidity sensor and an intelligent floor sweeping robot.

The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications and changes to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A battery pack, comprising:

a housing (1) in which an installation space (3) is formed;

the electric control part (2) is arranged in the installation space (3), and a charging interface (4) and a discharging interface (5) which are used for connection are arranged on the electric control part; and

the electric core groups are electrically connected with the electric control part (2), each electric core group comprises a plurality of electric cores (6) which are connected in series, and the electric core groups are connected in series or in parallel.

2. The battery pack according to claim 1, wherein a first stopper portion (8) is provided in the mounting space (3), and the first stopper portion (8) cooperates with the electrical control (2) to stopper the electrical control (2).

3. The battery pack according to claim 2, wherein the first position-limiting part (8) is a slot provided on the housing (1), and the slot is engaged with the electrical control part (2).

4. The battery according to claim 1, characterized in that a support plate (9) is arranged between said electrical control (2) and said electric core pack, a first face (10) of said support plate (9) being provided with a first fixing portion (11) for cooperating with said electrical control (2), and a second face of said support plate (9) being provided with a second fixing portion (12) for cooperating with said electric core pack.

5. The battery pack according to claim 4, wherein the electrical control (2) is provided with a first connecting portion (13) for cooperating with the first fixing portion (11); one of the first fixing part (11) and the first connecting part (13) is of a groove structure, and the other one of the first fixing part and the first connecting part is of a bump structure.

6. The battery pack according to claim 1, wherein an indicator lamp (19) is provided on the electrical control unit (2), and a hole portion (20) is provided in a position of the housing (1) corresponding to the indicator lamp (19).

7. The battery pack according to claim 1, wherein the housing (1) comprises a first housing (14) and a second housing (15) which are matched, a first limiting member (16) is arranged on the first housing (14), a second limiting member (17) is arranged on the second housing (15), and the first limiting member (16) and the second limiting member (17) are matched to connect the first housing (14) and the second housing (15).

8. The battery pack according to claim 7, wherein a plurality of second limiting portions (18) are provided on each of the first casing (14) and the second casing (15), and the second limiting portions (18) are used for limiting the battery cell (6) in the mounting space (3).

9. Battery pack according to claim 1, characterized in that a handle (21) is provided on the housing (1).

10. An electric device characterized by comprising the battery pack according to any one of claims 1 to 9.

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