CN220492017U - Battery capable of preventing liquid leakage - Google Patents

Abstract

The utility model discloses a battery capable of preventing liquid leakage, which comprises a shell, a cover plate, a sealing element and an absorbing element, wherein the shell is provided with a cavity and an opening, the opening is communicated with the cavity, a battery cell is suitable for being installed in the cavity, the cover plate is arranged at the opening, the sealing element is arranged between the shell and the cover plate, the absorbing element is paved at the bottom of the cavity, and the battery cell is arranged on the absorbing element and is used for absorbing the liquid leakage of the battery cell. The battery for preventing leakage has the advantages of being capable of preventing leakage and high in safety and reliability.

Description

Battery capable of preventing liquid leakage

Technical Field

The utility model relates to the technical field of batteries, in particular to a battery capable of preventing liquid leakage.

Background

With the popularization of electronic products, a flexible battery is widely used as an important battery type. However, the conventional battery soft package is easy to leak in the use process, and the battery structure in the related art cannot well prevent the leakage of the liquid, so that the battery liquid can leak into the equipment, the equipment can be damaged, overheat, short circuit and even explosion of the battery can be caused, and personal safety is seriously affected.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems in the related art to some extent. For this reason, embodiments of the present utility model provide a battery that prevents leakage, which can not only prevent leakage but also have high safety and reliability.

The battery for preventing leakage according to the embodiment of the utility model comprises:

a housing having a chamber and an opening, the opening in communication with the chamber, the chamber adapted to receive a battery cell therein;

the cover plate is arranged at the opening;

a seal disposed between the housing and the cover plate;

the absorption piece is paved at the bottom of the cavity, and the battery cell is arranged on the absorption piece and used for absorbing leakage of the battery cell.

According to the battery for preventing leakage, disclosed by the embodiment of the utility model, the battery core is arranged in the cavity, the sealing element is arranged between the opening and the cover plate to seal the gap between the shell and the cover plate, when leakage occurs in the battery core, the leakage of the battery core is not easy to leak out of the gap between the shell and the cover plate, the safety of equipment and users is protected, the absorption element is arranged, when leakage occurs in the battery core, the leakage flows onto the absorption element under the action of self gravity and is absorbed by the absorption element, the leakage is timely treated, so that the leakage is further prevented, the safety of equipment and users is protected, and in addition, the absorption element is paved at the bottom of the cavity, so that the absorption element is easy to install in the cavity, therefore, the battery not only has the function of preventing leakage, but also has the function of absorbing leakage, and the safety and reliability of the battery for preventing leakage.

In some embodiments, the seal is disposed one revolution around an end face of the opening.

In some embodiments, the battery for preventing leakage further includes a monitoring member, where the monitoring member is disposed in the cavity and is configured to monitor in real time whether leakage occurs in the battery cell, and the monitoring member may send a signal when detecting that leakage occurs in the battery cell.

In some embodiments, the monitor is adjacent to a bottom surface of the chamber.

In some embodiments, the monitoring pieces are at least two, and the at least two monitoring pieces are respectively arranged on two sides of the cavity, which are opposite to each other.

In some embodiments, the monitoring element is a sensor.

In some embodiments, the battery for preventing leakage further comprises a protection member, wherein the protection member is electrically connected with the electric core and the monitoring member, and the protection member can receive a signal sent by the monitoring member and stop power supply of the electric core.

In some embodiments, the protector is provided on the housing.

In some embodiments, the absorbent member is a sponge.

In some embodiments, the leakage-preventing battery further comprises a positive electrode and a negative electrode, which are disposed on the cover plate and electrically connected with the battery cell.

Drawings

Fig. 1 is a schematic view of a battery for preventing leakage according to an embodiment of the present utility model.

Fig. 2 is a schematic view of a cap plate of a battery preventing leakage according to an embodiment of the present utility model.

Reference numerals: 1. a housing; 11. a chamber; 12. an opening; 2. a cover plate; 3. a seal; 4. an absorbent member; 5. a monitoring member; 6. a protective member; 71. a positive electrode; 72. a negative electrode; 8. and a battery cell.

Detailed Description

Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

As shown in fig. 1 to 2, the liquid leakage preventing battery of the embodiment of the present utility model includes a case 1, a cap plate 2, a sealing member 3, and an absorbing member 4. The housing 1 has a chamber 11 and an opening 12, the opening 12 being in communication with the chamber 11, the chamber 11 being adapted for mounting the battery cell 8 therein. A cover plate 2 is provided at the opening 12 to seal the opening 12. A seal 3 is provided between the housing 1 and the cover plate 2 to improve sealability between the cover plate 2 and the housing 1. The absorbing member 4 is laid at the bottom of the chamber 11, and the battery cell 8 is provided on the absorbing member 4 for absorbing leakage of the battery cell 8.

According to the battery for preventing leakage, disclosed by the embodiment of the utility model, the battery core 8 is arranged in the cavity 11, the sealing element 3 is arranged between the opening 12 and the cover plate 2 to seal the gap between the shell 1 and the cover plate 2, when leakage occurs in the battery core 8, the leakage of the battery core 8 is not easy to leak out of the gap between the shell 1 and the cover plate 2, the safety of equipment and a user is protected, the arrangement of the absorbing element 4 is realized, when the leakage occurs in the battery core 8, the leakage flows onto the absorbing element 4 under the action of the gravity of the battery core 8 and is absorbed by the absorbing element 4, and the leakage is timely processed, so that the leakage is further prevented, the safety of equipment and the user is protected, and in addition, the absorbing element 4 is paved at the bottom of the cavity 11, so that the absorbing element 4 is easy to install in the cavity 11, therefore, the sealing element 3 and the absorbing element 4 are arranged, the battery not only has the function of preventing the leakage, but also has the function of absorbing the leakage, and the safety and reliability of the battery for preventing the leakage are improved.

In some embodiments, the sealing member 3 is made of a high-strength material, i.e. a high-strength material, and has the characteristics of high hardness and high elasticity, such as a special polymer or metal material.

In particular, the particular polymer may be rubber, which refers to a highly elastic polymeric material having reversible deformation. When the sealing element 3 is rubber, the cover plate 2 is fixedly connected with the shell 1 through bolts so as to tightly fix the rubber between the cover plate 2 and the shell 1, thereby improving the tightness between the cover plate 2 and the shell 1.

Specifically, when the sealing member 3 is made of a metal material, the cover plate 2 and the housing 1 may be fixedly connected by welding, so as to improve the tightness between the cover plate 2 and the housing 1.

In some embodiments, the leakage-preventing battery further includes a positive electrode 71 and a negative electrode 72, the positive electrode 71 and the negative electrode 72 being disposed on the cap plate 2 and electrically connected to the battery cell 8.

In some embodiments, the sealing member 3 is disposed around the end surface of the opening 12 for one circle, so that the sealing performance between the housing 1 and the cover plate 2 can be further improved, and the safety and reliability of the battery for preventing leakage according to the embodiment of the utility model can be further improved.

In some embodiments, the battery for preventing leakage further includes a monitoring member 5, where the monitoring member 5 is disposed in the chamber 11, so as to be used for monitoring whether the battery cell 8 is leaking in real time, and the monitoring member 5 can send a signal when detecting that the battery cell 8 is leaking.

Specifically, when the monitoring member 5 monitors that the battery cell 8 leaks, the monitoring member 5 gives an alarm to remind a user to replace the battery cell 8 or the battery in time, so as to reduce unnecessary disasters.

In some embodiments, the monitoring element 5 is adjacent to the bottom surface of the cavity 11, so that when the battery cell 8 just leaks, the battery cell 8 can be monitored by the monitoring element 5 and timely send out an alarm signal, so that a user can know whether the battery cell 8 has a leakage problem earlier, and the safety and reliability of the battery are ensured when the user uses the battery.

In some embodiments, there are at least two monitoring elements 5, and at least two monitoring elements 5 are respectively disposed on two sides of the chamber 11 opposite to each other.

Specifically, the number of the monitoring pieces 5 is two, and the two monitoring pieces 5 are respectively arranged on the inner wall surfaces of the two side surfaces, which are just opposite to the arrangement, of the cavity 11 so as to better monitor whether the battery cell 8 is leaked or not in real time, compared with the case that one monitoring piece 5 is arranged, the accuracy is higher, and when one monitoring piece 5 is problematic, the other monitoring piece 5 can also continuously monitor whether the battery cell 8 is leaked or not in real time.

In some embodiments, the monitoring element 5 is a sensor, so that the monitoring element 5 has the advantages of quick response, simple structure, strong adaptability and the like.

In some embodiments, the monitoring member 5 may be another monitoring device, for example, the monitoring member 5 may be a tuning fork level gauge, which is an instrument for measuring a liquid level, and adopts an acoustic wave sensor to measure the liquid level, and the working principle is that: when an ultrasonic signal with a certain amplitude is sent out, the wave ripple of the sound wave can propagate to two directions, reflect on the liquid level surface and then reflect back to the sensor, and the sensor receives the reflected sound wave, so that the height of the liquid level is measured. Therefore, the leakage condition of the battery cell 8 is monitored through the tuning fork liquid level meter, and a user can be timely reminded of processing the battery cell 8.

In some embodiments, the battery for preventing leakage further includes a protection member 6, where the protection member 6 is electrically connected to the battery cell 8 and the monitoring member 5, and the protection member 6 may receive the signal sent by the monitoring member 5 and stop the power supply to the battery cell 8.

Specifically, when the battery cell 8 is in a leakage condition and is detected by the monitoring member 5, the monitoring member 5 sends an alarm signal and controls the protecting member 6 to power off the battery through the electrical connection, so as to prevent the battery from being supplied with power, further damage to the battery cell 8 and danger.

In some embodiments, safety measures such as explosion-proof design and overvoltage protection can be adopted to protect the battery, so as to ensure the safety of the battery. Such as: when the battery is overcharged or overdischarged, the battery is powered off through the electronic element, so that thermal runaway caused by the overcharging or overdischarging of the battery is avoided, and the safety of the battery is guaranteed.

In some embodiments, the protection member 6 is disposed on the housing 1 to better control the battery cell 8, so as to avoid poor contact of the connecting wire caused by too far distance between the protection member 6 and the battery cell 8.

In some embodiments, the absorbent member 4 is a sponge. Specifically, the sponge is porous structure, has the advantage that can absorb a large amount of moisture, and the absorbing member 4 sets up to the sponge, and when electric core 8 appears leaking, a large amount of leaking liquid is absorbed to the absorbing member 4 for absorbing member 4 can in time handle the leaking liquid, prevents leaking liquid to spill, guarantees the desiccation of the interior environment of cavity 11.

In some embodiments, the absorbent member 4 is a porous material, such as a sponge-like material or a water-absorbent fibrous material, and the sponge described above is a sponge-like material. The water-absorbing fiber material comprises super-absorbent and hygroscopic fibers, wherein the super-absorbent and hygroscopic fibers are fibers which can still keep more than 15% of water after being immersed in water and centrifugally dehydrated under certain conditions after being subjected to physical deformation and chemical modification by hydrophobic synthetic fibers, and are called super-absorbent fibers; under the standard temperature and humidity condition, the fiber with the moisture regain of more than 6% can absorb the vapor phase moisture, and is called as the high moisture absorption fiber. The high water absorption and moisture absorption fiber can timely treat the leaked liquid, prevent the leaked liquid from leaking out, and ensure the dryness of the internal environment of the chamber 11.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While the above embodiments have been shown and described, it should be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the utility model.

Claims (10)

1. A battery for preventing leakage of liquid, comprising:

a housing (1), the housing (1) having a chamber (11) and an opening (12), the opening (12) being in communication with the chamber (11), the chamber (11) being adapted for mounting a battery cell (8);

a cover plate (2), the cover plate (2) being arranged at the opening (12);

a seal (3), the seal (3) being arranged between the housing (1) and the cover plate (2);

the absorption piece (4), the absorption piece (4) is laid in the bottom of cavity (11), electric core (8) are established on absorption piece (4) in order to be used for absorbing electric core (8) weeping.

2. The leakage-preventing battery according to claim 1, wherein the seal (3) is provided around an end face of the opening (12) for one revolution.

3. The battery for preventing liquid leakage according to claim 1, further comprising a monitoring member (5), wherein the monitoring member (5) is disposed in the chamber (11) and is used for monitoring whether the battery cell (8) is leaked in real time, and the monitoring member (5) can send out a signal when detecting that the battery cell (8) is leaked.

4. A battery according to claim 3, wherein the monitoring element (5) is adjacent to the bottom surface of the chamber (11).

5. A battery according to claim 3, wherein the number of monitoring members (5) is at least two, and at least two of the monitoring members (5) are respectively provided on both side surfaces of the chamber (11) which are arranged to face each other.

6. The leakage-preventing battery according to claim 5, wherein the monitoring member (5) is a sensor.

7. The battery for preventing leakage according to claim 6, further comprising a protection member (6), wherein the protection member (6) is electrically connected to the cell (8) and the monitoring member (5), and the protection member (6) is capable of receiving a signal sent from the monitoring member (5) and stopping power supply to the cell (8).

8. The leakage-preventing battery according to claim 7, wherein the protector (6) is provided on the case (1).

9. The leakage-preventing battery according to claim 1, wherein the absorbing member (4) is a sponge.

10. The leakage-preventing battery according to claim 1, further comprising a positive electrode (71) and a negative electrode (72), the positive electrode (71) and the negative electrode (72) being provided on the cap plate (2) and electrically connected to the battery cell (8).