TWI469415B - Cell protection device and cell array - Google Patents

Description

Battery protection device and battery array

The invention relates to a battery protection device and a battery array, in particular to a battery protection device and a battery array capable of detecting whether an electrolyte of a battery leaks and has an external leakage function.

In general, when a normal vehicle battery is installed in a vehicle, there should be no leakage of the electrolyte. Therefore, the vehicle is provided with a protective device for leakage of the electrolyte. However, when the electrolyte leaks to other devices, it may erode the outer casing of other equipment. If the outer casing of the electronic equipment is eroded and the internal circuit board is exposed, or even the electrolyte penetrates into the electronic device, it may cause electrons. The device is shorted to fire. Although the probability of this situation is very low, once it occurs, it is easy to cause significant losses.

In view of the above, the inventors of the present invention have conceived and designed a battery protection device and a battery array in order to improve the lack of the prior art, thereby enhancing the industrial implementation.

In view of the above-mentioned problems of the prior art, the object of the present invention is to provide a battery-integrated ferrule and a battery array to solve the problem that the vehicular battery does not have a battery leakage protection device.

According to the purpose of the present invention, a battery protection device is proposed for a battery array The battery array is composed of a plurality of battery modules, each of which comprises a battery and two combined sleeves, one of the two combined sleeves is respectively disposed on the battery having two ends of the electrode, and the two combined sleeves are covered with a battery. The opposite side of the other surface includes a plurality of protrusions and a plurality of protrusions surrounding the one of the accommodating spaces, and each of the accommodating spaces has an exposed electrode. The battery protection device comprises a cover body and a fireproof cotton. The cover is disposed on a plurality of protrusions of the battery array. The fireproof cotton is disposed between the two combined sleeves of the battery components and the battery, and is located at the periphery of the electrode.

Preferably, the battery protection device further comprises a chassis, wherein the chassis comprises a recess, the chassis can be covered by the cover body, and the cover body can have a plurality of cover body perforations, and the electrolyte is permeable when the electrolyte of the battery array leaks out Each cover perforation flows to the groove of the chassis.

Preferably, the cover body or the chassis is selectively provided with a liquid leakage sensor for detecting the gas concentration value of the accommodating space, and when the gas concentration value is greater than the preset threshold value, the liquid leakage sensor can transmit the warning Signal to the warning device.

Preferably, the cover body or the chassis can be selectively provided with a liquid leakage sensor, and when the electrolyte of the battery array leaks to the liquid leakage sensor, the liquid leakage sensor can transmit the warning signal to the warning device.

Preferably, the surface shape of the cover body may correspond to the battery array, and one surface of the cover body may include a plurality of engaging grooves formed by a plurality of top abutting members, respectively, when the cover body is disposed on the plurality of protrusions At the time of the part, each of the engaging grooves can respectively engage at least one battery component.

According to the purpose of the present invention, a battery array is further provided, which comprises a plurality of battery modules, a plurality of battery connection modules and a battery protection module. Each of the two ends of each battery module includes an electrode. One of the plurality of battery connection modules is respectively disposed on a plurality of battery modules having electrodes at both ends thereof to connect the battery modules, and each battery connection module The opposite side of each of the battery modules includes a plurality of protrusions and a plurality of protrusions surrounding the ones, and the battery connection modules are respectively disposed at the ends of the battery modules. Each of the accommodating spaces has an exposed electrode. The battery protection module includes a cover body and fireproof cotton. The cover is disposed on the plurality of protrusions of the battery connection module. The fireproof cotton is disposed between each battery connection module and each battery, and is located at the periphery of each electrode.

According to the above, the battery protection device and the battery array according to the present invention may have one or more of the following advantages:

(1) The battery protection device and the battery array of the present invention can absorb the electrolyte leaking outside the battery by the fireproof cotton, so as to prevent the external leakage electrolyte from eroding the outer casing of other equipment or being electrically connected to the electrodes of other batteries to cause a short circuit. The problem of defects.

(2) The battery protection device and the battery array of the present invention can detect whether there is leakage of the electrolyte by detecting the gas concentration value or whether the fireproof cotton is turned on by the liquid leakage sensor, so as to immediately leak the electrolyte. The electrolyte is treated as a protective agent.

(3) When the electrolyte leakage is severe, so that the fireproof cotton cannot absorb all the electrolytes leaking out, the excess electrolyte can be discharged to the grooves of the chassis by the plurality of cover perforations of the cover of the present invention.

1‧‧‧ cover

11‧‧‧Top member

12‧‧‧ snap groove

13‧‧‧ Cover perforation

2‧‧‧Fireproof cotton

3‧‧‧With a combined head

31‧‧‧Upper head boss

32‧‧‧上容空间

33‧‧‧Upset head joints

34‧‧‧Upper head piercing

4‧‧‧Under the ferrule

41‧‧‧Bottom head boss

42‧‧‧Under space

43‧‧‧Under the head joint

44‧‧‧Bottom piercing

5‧‧‧Battery

51‧‧‧ electrodes

6‧‧‧Connecting components

7‧‧‧Chassis

71‧‧‧ Groove

72‧‧‧Leakage sensor

8‧‧‧Battery components

9, 10‧‧‧ battery array

1 is a plan view, a bottom view, and a perspective view of a cover of a battery protection device of the present invention.

Fig. 2 is a first schematic view and a second schematic view showing the battery assembly of the battery array to which the battery protection device of the present invention is applied to the fireproof cotton.

Figure 3 is a schematic illustration of a battery array to which the battery protection device of the present invention is applied.

Figure 4 is a first schematic view showing the battery protection device of the present invention assembled in a battery array.

Figure 5 is a second schematic view of the battery protection device of the present invention assembled to the battery array.

Figure 6 is a first schematic view of the battery array of the present invention.

Figure 7 is a second schematic view of the battery array of the present invention.

The technical features, contents, and advantages of the present invention, as well as the advantages thereof, can be understood by the present inventors, and the present invention will be described in detail with reference to the accompanying drawings. The subject matter is only for the purpose of illustration and description. It is not intended to be a true proportion and precise configuration after the implementation of the present invention. Therefore, the scope and configuration relationship of the attached drawings should not be interpreted or limited. First described.

Please refer to FIG. 1 to FIG. 7 together. FIG. 1(a), FIG. 1(b) and FIG. 1(c) are respectively a plan view, a bottom view and a cover view of the cover of the battery protection device of the present invention. Stereo picture. 2(a) and 2(b) are a first schematic view and a second schematic view of the battery assembly of the battery array to which the battery protection device of the present invention is applied to the fireproof cotton. Figure 3 is a schematic illustration of a battery array to which the battery protection device of the present invention is applied. 4 and 5 are respectively a first schematic view and a second schematic view of the battery protection device of the present invention after being assembled in the battery array. 6 and 7 are respectively a first schematic view and a second schematic view of the battery array of the present invention.

Among them, the battery protection device of the present invention is applied to the battery array 9 composed of a plurality of battery modules 8, as shown in Figs. 2 and 3. Each of the battery assemblies 8 includes a battery 5 and two combined sleeves (ie, the upper combined sleeve 3 and the lower combined sleeve 4), and one of the upper combined sleeve 3 and the lower combined sleeve 4 is respectively disposed on the battery 5 having the electrode 51. Both ends. The upper combined ferrule 3 is disposed on the opposite side of the battery 5 and includes a plurality of upper ferrule bosses 31, and is surrounded by the respective upper ferrule bosses 31 to form an upper accommodating space 32. The lower combined ferrule 4 is disposed on the opposite side of the battery 5 and includes a plurality of lower ferrule bosses 41, and the lower accommodating space 42 is formed by the respective lower ferrule bosses 41. Each of the upper combined ferrules 3 and each of the lower ferrules 4 includes a top ferrule 34 and a lower ferrule 44, respectively, such that each of the upper ferrules 3 and each of the lower ferrules 4 are disposed on each of the batteries 5, and the electrodes 51 of the respective batteries 5 The upper accommodating space 32 and the lower accommodating space 42 are exposed through the upper ferrules 34 and the lower ferrules 44. The battery protection device of the present invention comprises a cover 1, a fireproof cotton 2 and a chassis 7. The cover body 1 includes a plurality of abutting members 11 , an engaging groove 12 formed by the abutting members 11 , and a plurality of cover through holes 13 . The fireproof cotton 2 is disposed between the respective sleeves 3 and the lower joint sleeve 4 and the electrode 51 of the battery 5, and is located at the periphery of the electrode 51. The chassis 7 includes a plurality of grooves 71. The upper combined sleeve 3, the lower combined sleeve 4 and the cover 1 can be made of an insulating material, and the chassis 7 can be made of a metal material, but the invention is not limited thereto.

Wherein, when the user covers the upper end of the battery 5 with the lower joint sleeve 3 and the lower joint sleeve 4, the electrodes 51 at both ends of the battery 5 are respectively exposed through the upper sleeve through hole 34 and the lower sleeve through hole 44, and then the user can Then, the connecting member 6 is connected to the periphery of the upper ferrule 3 and the lower ferrule 4 to fix the upper ferrule 3 and the lower ferrule 4 on the battery 5 to form a battery assembly 8.

It is worth mentioning that each of the battery modules 8 can be connected to each other in series to form a battery array 9 by combining the ferrule 3 and the lower ferrule 4 thereon. Wherein, the upper joint sleeve 3 can be provided on one side of the upper sleeve male joint portion 33 and the upper sleeve head joint portion (not shown) and the other upper sleeve head 3 over the sleeve head female joint portion and the upper sleeve head joint portion 33 is connected to connect a plurality of upper combined ferrules 3 in series. The lower combined ferrule 4 is provided by a side of the ferrule male connecting portion 43 and the lower ferrule female connecting portion (not shown) and the lower lower ferrule 4 under the ferrule female connecting portion and the lower ferrule male connecting portion. 43 is connected to connect a plurality of lower combined ferrules 4 in series. The shape of the upper sleeve female connecting portion and the lower sleeve female connecting portion respectively correspond to the shapes of the upper sleeve male connecting portion 33 and the lower sleeve male connecting portion 43 , so that the upper sleeve male connecting portion 33 and the lower sleeve male connecting portion 43 can be The embedding method is embedded in the upper joint head 3 and the lower joint head 4 and the lower head joint connection portion.

It should be noted that the present invention is further provided with the fireproof cotton 2 between the upper joint sleeve 3 and the battery 5 when the sleeve 3 and the lower joint sleeve 4 are assembled at both ends of the battery 5, and It is combined with the socket 4 and the battery 5, and is located at a position where the electrode 51 of the battery 5 is not shielded. The fireproof cotton 2 may be disposed on one side, both sides of the circumference of the electrode 51 or in an annular manner on the periphery of the electrode 51, which is not limited by the present invention. Thereby, when the electrolyte of the battery assembly 8 is leaked through the electrode 51, the battery protection device of the present invention can absorb the leakage electrolyte by the fireproof cotton 2. Incidentally, the fireproof cotton 2 can be substituted for other components that can absorb the external leakage battery liquid, and those skilled in the art should know that any of the present invention does not depart from the spirit and technical scope of the present invention. Changes, equivalents and alternatives should be included here.

In the above, when the user wants to cover the top and bottom of the battery array 9 composed of a plurality of battery modules 8, the user can respectively embed the upper ferrule protrusions 31 of the respective upper ferrules 3 into the same. The manner is engaged with the engaging groove 12 of the cover body 1, and the respective lower The lower ferrule boss 41 of the ferrule 4 is engaged with the engaging groove 12 of the other cover 1 in an embedded manner. Then, the user can use the metal or non-metal screw to pass through the cover hole 13 of the cover 1 and lock the upper joint sleeve 3 and the lower joint sleeve 4 to fix the two cover bodies 1 on the top and bottom of the battery array 9. . Each of the engaging slots 12 can accommodate at least one battery component 8 , and the number of the accommodating slots 12 can be designed according to user requirements, which is not limited by the present invention.

The user can then mount the battery array 9 composed of the cover 1 and each of the battery modules 8 on the chassis 7. If the leakage amount of the electrolyte is large so that the fireproof cotton 2 cannot absorb all of the leakage electrolyte, the electrolyte can flow through the respective cover holes 13 in the cover 1 to the groove 71 of the chassis 7. In addition, the cover 1 or the chassis 7 may be further provided with a liquid leakage sensor 72 to detect whether the gas concentration value of the upper receiving space 32 and the lower receiving space 42 is greater than a preset threshold, or by The method of detecting whether there is electrolyte flowing to the groove 71 of the chassis 7 detects whether there is leakage of the electrolyte of the battery component 8, so that the user can protect the battery of the external leakage battery liquid at the first time. The combination of the above battery assembly 8, the cover 1, the fireproof cotton 2, and the chassis 7 can constitute the battery array 9 of the present invention having the battery protection device.

In summary, the battery protection device and the battery array of the present invention can absorb the electrolyte leaking outside the battery by the fireproof cotton disposed between the cover body and the battery component, so as to prevent the electrolyte leaking from the outer leakage. The outer casing or the electrodes of other batteries are turned on to cause short-circuit defects. In addition, if the leakage amount of the electrolyte is large, the fireproof cotton cannot absorb all the leakage electrolyte, and the electrolyte can perforate through the respective cover bodies on the cover body to the grooves of the chassis. Furthermore, a liquid leakage sensor can be further disposed on the groove of the chassis to detect whether or not the electrolyte leaks to the groove, so that the user can protect the battery that leaks the battery liquid at the first time.

The above is intended to be illustrative only and not limiting. Any equivalent modifications or alterations to the spirit and scope of the invention are intended to be included in the scope of the appended claims.

1‧‧‧ cover

13‧‧‧ Cover perforation

3‧‧‧With a combined head

31‧‧‧Upper head boss

33‧‧‧Upset head joints

4‧‧‧Under the ferrule

41‧‧‧Bottom head boss

43‧‧‧Under the head joint

5‧‧‧Battery

6‧‧‧Connecting components

7‧‧‧Chassis

71‧‧‧ Groove

10‧‧‧Battery array

Claims (10)

The utility model relates to a battery protection device, which is suitable for a battery array. The battery array is composed of a plurality of battery modules. Each of the battery modules comprises a battery and two combined sleeves. One of the two combined sleeves is respectively covered on the battery cover. The battery has two ends of an electrode, and the two opposite sleeves cover the opposite side of the battery, and the plurality of protrusions are formed by the protrusions and the accommodation space is formed by the protrusions, and the accommodation space is formed. The battery protection device includes: a cover body disposed on the plurality of protrusions of the battery array; and a fireproof cotton disposed on the two combinations of the battery assemblies The sleeve is between the battery and at the periphery of the electrode. The battery protection device of claim 1, further comprising a chassis comprising a recess, the chassis is disposed on the cover, and the cover system has a plurality of perforations when the battery array When the electrolyte leaks, the electrolyte flows through the perforations to the groove of the chassis. The battery protection device of claim 2, wherein the cover body or the chassis is selectively provided with a liquid leakage sensor for detecting a gas concentration value of the accommodation space, when the gas concentration is When the value is greater than a predetermined threshold, the liquid leakage sensor transmits a warning signal to a warning device. The battery protection device of claim 2, wherein the cover or the chassis is selectively provided with a liquid leakage sensor, when the electrolyte of the battery array leaks to the leakage sensor The leak sensor transmits a warning signal to a warning device. The battery protection device of claim 1, wherein the surface shape of the cover corresponds to the battery array, and one surface of the cover includes a plurality of surfaces formed by a plurality of abutting members respectively. The engaging groove, when the cover is disposed on the plurality of protrusions, each of the engaging grooves respectively engages at least one of the battery assemblies. A battery array comprising: a plurality of battery modules, each of the two ends of the battery module respectively comprising an electrode; a plurality of battery connection modules, one side of which is respectively disposed on the plurality of battery modules having the electrode The two ends of the battery module are connected to each other, and each of the battery connection modules covers the opposite side of each of the battery modules, and includes a plurality of protrusions and is surrounded by the protrusions. a battery, wherein each of the battery connection modules is respectively disposed at each end of each of the battery modules, each of the accommodating spaces has an exposed electrode; and the battery protection according to claim 1 Device. The battery array according to claim 6, wherein the surface shape of the cover body corresponds to the plurality of convex portions, and one surface of the cover body comprises a plurality of top abutting members respectively formed And a plurality of engaging slots, each of the engaging slots respectively engaging at least one of the battery connecting modules when the cover is disposed on the plurality of protrusions. The battery array of claim 6, wherein the battery protection device further comprises a chassis, the chassis comprises a recess, the chassis is disposed on the cover, and the cover system has a plurality of perforations. When the electrolyte of the battery array leaks, the electrolyte flows through the perforations to the groove of the chassis. The battery array of claim 8, wherein the cover or the chassis is selectively provided with a liquid leakage sensor for detecting a gas concentration value of the accommodation space, when the gas concentration value is When it is greater than a preset threshold, the liquid leakage sensor transmits a warning signal to a warning device. The battery array of claim 8, wherein the cover or the chassis is selectively provided with a liquid leakage sensor, when the electrolyte of the battery array leaks to the leakage sensor, The leak sensor transmits a warning signal to a warning device.