CN218586174U

CN218586174U - Battery pack and NB sensor

Info

Publication number: CN218586174U
Application number: CN202222607640.1U
Authority: CN
Inventors: 高晖; 邓化科; 胡庆国; 董松伟
Original assignee: Beijing Bohua Xinzhi Technology Co ltd
Current assignee: Beijing Bohua Xinzhi Technology Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-03-07
Anticipated expiration: 2032-09-30

Abstract

The application discloses a battery pack and an NB sensor, wherein the battery pack at least comprises a battery body and a stressed piece, wherein the stressed piece is fixedly connected with the battery body; a plurality of through holes are formed in the stress piece, the stress piece is provided with at least two outward protruding parts, and the outward protruding parts extend outwards from the stress piece; when the battery pack is installed in the battery compartment, the outer convex part is matched with the clamping groove of the battery compartment so as to limit the battery body in the battery compartment. This application adopts the evagination with the spacing support of battery body in the battery compartment to and utilize atress piece honeycomb's cushioning effect, avoid this internal emergence of battery to rock, thereby avoid the situation that drops to appear in the electric connection department of battery body and other electrical parts, and reduce the vibration that the collision produced between battery body and the battery compartment and to the influence of vibration detection data, improve the stability that the sensor used.

Description

Battery pack and NB sensor

Technical Field

The application relates to the field of sensors, in particular to a battery pack and an NB sensor.

Background

The NB sensor is a novel battery-powered integrated sensor based on an NB-loT network, and the NB sensor has multiple detection types, such as a vibration detection sensor, a temperature and humidity detection sensor, a pressure detection sensor and the like.

The NB sensor power supply batteries are typically mounted within the battery compartment for powering the sensor components. The existing battery compartment for power supply battery can be arranged in the battery compartment, and a gap exists between the battery compartment and the power supply battery. This also makes, under some vibration environment, the power supply battery can take place to rock in the battery compartment to influence the electric connection stability of battery and other electrical parts. Meanwhile, for the vibration detection sensor, the shaking of the battery has certain influence on the accuracy of vibration detection data.

Disclosure of Invention

An object of the application is to provide a battery pack and NB sensor to reduce rocking of battery, improve the stability of sensor.

In order to achieve the above object, one aspect of the present application provides a battery assembly, which at least includes a battery body and a stressed member, wherein the stressed member is fixedly connected to the battery body; a plurality of through holes are formed in the stress piece, the stress piece is provided with at least two outer convex parts, and the outer convex parts extend outwards from the stress piece; when the battery pack is installed in the battery compartment, the outer convex part is matched with the clamping groove of the battery compartment so as to limit the battery body in the battery compartment.

In order to achieve the above object, another aspect of the present application further provides an NB sensor, including at least a battery compartment, a sensor component, and the above battery assembly; the battery assembly is mounted within the battery compartment and powers the sensor component.

Therefore, according to the technical scheme, the stress piece is connected to the battery body, and the stress piece can be provided with the through holes, so that the stress piece is constructed into a honeycomb structure. And the stress piece is provided with an outer convex part, and when the battery assembly is arranged in the battery compartment, the battery body is connected with the battery compartment through the outer convex part. So, the spacing support of outer convex part with battery body is in the battery compartment to avoid taking place in the battery body to rock. And, when the battery compartment takes place the vibration, this vibration passes through outer lug and atress piece and transmits to battery body, so, battery body can utilize atress piece honeycomb's cushioning effect, reduces rocking of battery body, avoids the situation that drops to appear in the electric connection department of battery body and other electrical parts to and reduce the vibration that the collision produced between battery body and the battery compartment and to the influence of vibration detection data, improve the stability that the sensor used.

Meanwhile, the stress piece is provided with a plurality of through holes. Therefore, the weight of the stress piece can be reduced, the weight of the battery assembly is further reduced, the inertia of the battery assembly during shaking is reduced, the vibration generated by collision of the battery assembly and the battery bin can be reduced, and the use stability of the sensor is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic view of a first angle of a battery assembly according to one embodiment provided herein;

FIG. 2 is a schematic diagram of a portion of a battery pack according to one embodiment of the present disclosure;

FIG. 3 is an isometric view of a battery assembly in another embodiment provided herein;

FIG. 4 is an isometric view of a battery assembly in yet another embodiment provided herein;

in the figure: 1. a battery body; 2. a force-receiving member; 21. a through hole; 22. an outer convex portion; 23. a first force-receiving member; 24. a second force-receiving member; 25. an installation space; 3. a capacitor; 4. a power line; 5. a film; 6. an upper cover; 7. a wrapper.

Detailed Description

To make the objects, technical solutions and advantages of the present application more clear, embodiments of the present application will be described in further detail below with reference to the accompanying drawings. Terms such as "upper," "above," "lower," "below," "first end," "second end," "one end," "another end," and the like, used herein to denote relative spatial positions, are used for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Furthermore, the terms "mounted", "disposed", "provided", "connected", "slidably connected", "fixed" and "sleeved" are to be understood in a broad sense. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

The NB sensor power supply batteries are typically mounted within the battery compartment for powering the sensor components. In order to enable a power supply battery to be placed in a battery compartment, a gap is usually formed between the power supply battery and the battery compartment. This also results in that, under some vibration environments, the power supply battery may shake in the battery compartment, thereby affecting the stability of the electrical connection between the battery and other electrical devices. Meanwhile, for the vibration detection sensor, the shaking of the battery has a certain influence on the accuracy of the vibration detection data by the vibration detection sensor.

In addition, current battery and condenser are separately placed in the battery compartment usually, and on the one hand to the battery and condenser and the battery compartment between the dismouting more loaded down with trivial details, on the other hand, battery and condenser all can take place to rock in the battery compartment, influence the stability in use and the precision of sensor.

Therefore, how to improve the structure of the existing power supply battery, reduce the shaking of the battery in the battery compartment, and improve the stability and accuracy of the sensor becomes a problem to be solved in the field.

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. It should be apparent that the embodiments described in this application are only some embodiments of the present application, and not all embodiments of the present application. All other embodiments, which can be obtained by a person skilled in the art without making any inventive step based on the embodiments in the present application, are within the scope of protection of the present application.

In an implementation manner, please refer to fig. 1, the battery assembly at least includes a battery body 1 and a force-receiving member 2, wherein the force-receiving member 2 is fixedly connected with the battery body 1. The force-bearing member 2 may be opened with a plurality of through holes 21, and the plurality of through holes 21 may configure the force-bearing member 2 into a honeycomb structure. The force receiving member 2 may have at least two outer protrusions 22, and the outer protrusions 22 may extend horizontally from the force receiving member 2 to the outside, and the outer protrusions 22 are configured to match with a groove on an external battery compartment. When battery pack installs in the battery compartment, the cooperation of convex part 22 and the draw-in groove of battery compartment to with battery body 1 restriction in the battery compartment, avoid battery body 1 to take place to rock for the battery compartment.

In the present embodiment, the force receiving member 2 may be connected to the top, bottom or outer circumferential surface of the battery body 1, and is not particularly limited. The outward protrusion 22 is fitted into the groove of the battery case, thereby restraining the battery body 1 within the battery case. Like this, when the whole emergence vibration of battery compartment, this vibration passes through outer lug 22 and atress piece 2 and transmits to battery body 1, so, battery body 1 can utilize the honeycomb's that atress piece 2 formed cushioning effect, reduces rocking of battery body 1, avoids the electric connection department of battery body 1 and other electrical part (sensor part or condenser etc.) to appear the situation that drops. For the vibration sensor, by reducing the shaking of the battery body 1, the influence of the vibration generated by the collision between the battery body 1 and the battery compartment on the vibration detection data can be reduced, and the use stability of the sensor is improved. Meanwhile, the stress piece 2 is provided with a plurality of through holes 21. So, can reduce the weight of atress piece 2, and then reduce battery pack's weight to reduce battery pack and be rocking inertia when, can reduce the vibration that battery pack and battery compartment collision produced equally, improve the stability that the sensor used.

In practical application, the force-bearing member 2 and the battery body 1 can be fixedly connected by hot melting or gluing. Wherein, the stress piece 2 can be made of PC material, thereby playing the roles of flame retardance, fire resistance and static electricity resistance. In one embodiment, the force-receiving member 2 may be formed by injection molding, so that the through hole 21 is formed during the injection molding process.

Further, as shown in fig. 2, the battery assembly may further include a capacitor 3. The capacitor 3 is electrically connected to the battery body 1. Specifically, the capacitor 3 may be connected in series with the battery body 1. The battery body 1 is used to connect in series with the sensor part through the power line 4, and the sensor part is connected in parallel with the capacitor 3. Thus, the capacitor 3 is connected with the battery body 1, and can store or release electric charge so as to improve the service efficiency of the battery and eliminate the pulse smoothing voltage.

In practical use, two ports of the capacitor 3 can be connected with the positive electrode and the negative electrode of the battery body 1 in a welding manner. The power cord 4 may be connected to the positive and negative electrodes of the battery body 1 by welding.

In order to stably fix the capacitor 3, the capacitor 3 is prevented from shaking. In an embodiment, which can be realized, and is shown in fig. 2 again, the force-receiving member 2 has two, respectively a first force-receiving member 23 and a second force-receiving member 24. The first force receiving member 23 and the second force receiving member 24 form an installation space 25 therebetween, and the capacitor 3 is installed in the installation space 25, so that the capacitor 3 is fixed by the first force receiving member 23 and the second force receiving member 24. That is, the capacitor 3 and the battery body 1 are constructed as an integral structure, and both the external protrusion 22 and the slot of the battery compartment are matched and limited in the battery compartment, so as to reduce the shaking of the capacitor 3 and the battery body 1.

In the present embodiment, the first force receiving member 23 and the second force receiving member 24 may be provided at intervals to hold the capacitor 3 at an intermediate position. Of course, the first force receiving member 23 and the second force receiving member 24 may surround to form the installation space 25, and the capacitor 3 is installed in the installation space 25.

The installation and placement of the battery pack in the battery compartment are facilitated. In an achievable embodiment, referring again to fig. 1, the first force-receiving member 23, the second force-receiving member 24 and the capacitor 3 are connected to the top surface of the battery body 1. The outward convex portion 22 is located outside the top surface of the battery body 1 in the orthographic projection of the top surface of the battery body 1. Like this, the range that outer convex part 22 can stretch out battery body 1 cooperates with the recess on the battery compartment to by outer convex part 22 and recess cooperation butt, restrict outer convex part 22 and remove, and then restrict the removal of atress piece 2, and because atress piece 2 and battery body 1 fixed connection, also be exactly restriction battery body 1's removal.

In an implementable embodiment, the battery body 1 may be a cylinder. The outer surface of the first force receiving member 23 and the outer surface of the second force receiving member 24 are both circular arc-shaped and are concentrically arranged. The first and second force-receiving

members

23 and 24 should be located within the range of the top surface of the battery body 1.

Further, referring to fig. 3, the battery pack further includes a film 5, and the film 5 is adhered to the outer side of the first force-receiving member 23 and the outer side of the second force-receiving member 24 to form a circular ring shape. In this way, the shape of the film 5, the first force-bearing member 23 and the second force-bearing member 24 and the battery body 1 form an integral cylindrical structure, thereby facilitating the placement of the battery assembly into the battery compartment.

In an embodiment, the battery pack may further include a wrapping member 7, and the wrapping member 7 wraps the outer side surfaces of the film 5 and the battery body 1 to connect the film 5 and the battery body 1 to each other, thereby increasing connection stability between the first and second force-receiving

members

23 and 24 and the battery body 1, respectively.

In practical applications, as shown in fig. 4, the wrapping member 7 may be an elastic rubber sleeve, and the elastic rubber sleeve is sleeved on the battery body 1 and the rubber sheet 5. Of course, the wrapping member 7 may also be a tape, and the tape wraps the battery body 1 and the adhesive sheet 5 together.

It should be noted that, the wrapping member 7 wraps the battery body 1 and the film 5, and it is necessary to ensure that one end of the power cord 4 can be exposed to the outside, so as to facilitate the electrical connection between the power cord 4 and the sensor component.

Further, the battery pack further includes an upper cover 6. The upper cover 6 is stuck on the top surfaces of the first and second force-receiving

members

23 and 24, and the upper cover 6 covers the first and second force-receiving

members

23 and 24 and the capacitor 3, thereby serving to shield the top of the battery assembly.

Based on the same inventive concept, the application also provides an NB sensor, which at least comprises a battery compartment, a sensor component and the battery assembly. The battery pack is mounted in the battery compartment and supplies power to the sensor component.

Further, the sensor component is mounted on the battery compartment. Therefore, the whole NB sensor can form an integral structure, the structure is more detectable, and the use is convenient.

It should be noted that, the sensor components may refer to the prior art, such as a pressure sensor, a vibration sensor, a temperature and humidity sensor, etc., and the details are not repeated herein.

Therefore, according to the technical scheme, the stress piece is connected to the battery body, and the stress piece can be provided with the through holes, so that the stress piece is constructed into a honeycomb structure. And the stress piece is provided with an outer convex part, and when the battery assembly is arranged in the battery compartment, the battery body is connected with the battery compartment through the outer convex part. So, the spacing support of battery body is in the battery compartment to the evagination takes place to rock in the battery body. And, when the battery compartment takes place the vibration, this vibration passes through outer lug and atress piece and transmits to battery body, so, battery body can utilize atress piece honeycomb's cushioning effect, reduces rocking of battery body, avoids the situation that drops to appear in the electric connection department of battery body and other electrical parts to and reduce the vibration that the collision produced between battery body and the battery compartment and to the influence of vibration detection data, improve the stability that the sensor used.

Meanwhile, the stress piece is provided with a plurality of through holes. So, can reduce the weight of weight atress piece, and then reduce battery pack's whole weight to reduce battery pack and be rocking inertia when rocking, can reduce battery pack equally and take place to rock in the battery compartment, improve the stability that the sensor used.

Furthermore, the battery body is electrically connected with the capacitor, and charges can be stored or released through the capacitor, so that the service efficiency of the battery is improved, and the pulse stable voltage is eliminated.

Further, the capacitor is connected to the top of the battery body, and the capacitor is restrained by the first and second force-receiving members to form a cylindrical structure with the battery body. So, compare in condenser and battery body separately place alone, reduced the pencil and connected, the battery pack structure is succinct more, and then makes things convenient for battery pack to place into the battery compartment.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A battery pack, characterized by comprising at least a battery body (1) and a force-bearing member (2), wherein the force-bearing member (2) is fixedly connected with the battery body (1);

the stress piece (2) is provided with a plurality of through holes (21), the stress piece (2) is provided with at least two convex parts (22), and the convex parts (22) extend outwards from the stress piece (2);

when the battery pack is installed in a battery compartment, the outer convex part (22) is matched with the clamping groove of the battery compartment so as to limit the battery body (1) in the battery compartment.

2. A battery assembly according to claim 1, characterized in that the battery assembly further comprises a capacitor (3);

the capacitor (3) is electrically connected with the battery body (1).

3. A battery assembly according to claim 2, characterized in that the force-receiving member (2) has two, respectively a first force-receiving member (23) and a second force-receiving member (24);

the first force receiving member (23) and the second force receiving member (24) form an installation space (25) therebetween, and the capacitor (3) is installed in the installation space (25).

4. A battery assembly according to claim 3, characterized in that the first force-receiving member (23), the second force-receiving member (24) and the capacitor (3) are all connected to the top surface of the battery body (1).

5. The battery pack according to claim 4, wherein the orthographic projection of the convex portion (22) on the top surface of the battery body (1) is located outside the top surface of the battery body (1).

6. The battery assembly according to claim 5, wherein the battery body (1) is a cylinder;

the outer surface of the first stress piece (23) and the outer side surface of the second stress piece (24) are both arc-shaped and are concentrically arranged;

the battery pack further comprises a film (5), and the film (5) is adhered to the outer face of the first stress piece (23) and the outer side face of the second stress piece (24) to form a circular ring shape.

7. The battery pack according to claim 6, further comprising an upper cover (6);

the upper cover (6) is adhered to the top surfaces of the first force-receiving member (23) and the second force-receiving member (24), and the upper cover (6) covers the first force-receiving member (23), the second force-receiving member (24), and the capacitor (3).

8. The battery pack according to claim 7, further comprising a wrapping member (7), wherein the wrapping member (7) wraps the outer side surface of the film (5) and the outer side surface of the battery body (1).

9. An NB sensor comprising at least a battery compartment, a sensor component, and the battery assembly of any of claims 1 to 8;

the battery assembly is mounted within the battery compartment and powers the sensor component.

10. The NB sensor according to claim 9, wherein the sensor component is mounted on the battery compartment.