CN211507696U

CN211507696U - Automobile battery pack

Info

Publication number: CN211507696U
Application number: CN201922086909.4U
Authority: CN
Inventors: 周大卫; 唐志明; 文晓欢; 黄佳松
Original assignee: Huizhou Jocol Industrial Co ltd
Current assignee: Huizhou Jiake Sensing Technology Co ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-09-15
Anticipated expiration: 2029-11-26

Abstract

An automobile battery pack comprises a battery pack shell, a box body assembly, a positioning assembly, a battery assembly and a temperature measuring assembly, wherein the battery pack shell comprises a bottom shell, a shell cover and a plurality of sealing pieces; the box body assembly comprises a plurality of battery boxes; the positioning assembly comprises a plurality of positioning pieces; the battery assembly comprises a plurality of battery pieces; temperature measurement subassembly includes a plurality of temperature measurement pieces, and in a temperature measurement piece, the temperature measurement piece includes detecting head, wire and polytetrafluoroethylene protective layer, the utility model discloses an automobile battery package through setting up battery package casing, box subassembly, locating component, battery pack and temperature measurement subassembly, can utilize high temperature resistant, corrosion-resistant and shock-resistant temperature sensor to carry out temperature detection to every battery, and simultaneously, above-mentioned battery package can effectively prevent to take place the thermal runaway, and further, even the thermal runaway also can block effectively in the battery package has taken place for the thermal runaway can obtain effective control and block.

Description

Automobile battery pack

Technical Field

The utility model relates to an electric automobile's technical field especially relates to an automobile battery package.

Background

The power battery is a power supply for providing a power source, is a storage battery for providing power for electric automobiles, electric trains, electric bicycles and golf carts, and is mainly different from a starting battery for starting an automobile engine.

However, during the use of the power battery, thermal runaway is easy to occur, that is, self-heating occurs in the battery, excessive heat can cause further aggravation of self-heating rate and finally spontaneous combustion of chemical compositions of the battery pack, the battery usually emits a large amount of gas formed by hydrocarbon vapor when undergoing thermal runaway, the ejected substance and heat can damage materials close to the battery, and the conventional temperature sensor can be damaged by high temperature released by thermal runaway, so that the requirement for detecting a single battery cannot be met; further, if the thermal runaway is not effectively blocked, the thermal runaway of a single battery can be caused to spread to the thermal runaway of the whole battery pack, and because the battery pack is usually in a sealed form, the battery pack can explode due to excessive heat, so that the life and property safety of people is endangered, therefore, in order to adapt to the service environment of the battery, a high-temperature-resistant, corrosion-resistant and impact-resistant temperature sensor is needed for detecting the temperature of the battery, and meanwhile, how to control and block the thermal runaway in the battery pack is a problem to be solved by the technical personnel.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the weak point among the prior art, provide a car battery package, can utilize high temperature resistant, corrosion-resistant and shock-resistant temperature sensor to carry out temperature detection to every battery, simultaneously, above-mentioned battery package can effectively prevent to take place the thermal runaway, and further, even take place the thermal runaway in the battery package and also can block effectively for the thermal runaway can obtain effective control and block.

The purpose of the utility model is realized through the following technical scheme:

an automotive battery pack comprising:

the battery pack comprises a battery pack shell, a shell cover and a plurality of sealing elements, wherein the shell cover is arranged on the bottom shell, the bottom shell is provided with a plurality of sealing cavities and a plurality of pressure relief through holes, the pressure relief through holes are correspondingly arranged at the bottoms of the sealing cavities one by one, and the sealing elements are correspondingly accommodated in the pressure relief through holes one by one;

the box body assembly comprises a plurality of battery boxes, each battery box is accommodated in each sealing cavity in a one-to-one correspondence mode, an air inlet hole is formed in one side face of each battery box, an air outlet hole is formed in the other side face of each battery box, an air inlet cavity, an accommodating cavity and an air outlet cavity are sequentially arranged in each battery box, the accommodating cavity is communicated with the air inlet cavity and the air outlet cavity respectively, the air inlet cavity is communicated with the air inlet hole, and the air outlet cavity is communicated with the air outlet hole;

the positioning assembly comprises a plurality of positioning pieces, each positioning piece is correspondingly accommodated in one accommodating cavity, and a plurality of positioning grooves are formed in one positioning piece;

the battery component comprises a plurality of battery pieces, each battery piece is arranged in the containing cavity in a one-to-one correspondence mode, each battery piece comprises a plurality of battery monomers in one battery piece, and each battery monomer is connected with each positioning groove in a one-to-one correspondence mode; and

the temperature measuring component comprises a plurality of temperature measuring pieces, each temperature measuring piece corresponds to each battery monomer in a one-to-one mode and is connected with each battery monomer, each temperature measuring piece comprises a detecting head, a conducting wire and a polytetrafluoroethylene protective layer, the detecting heads are connected with the battery monomers, the conducting wires are connected with the detecting heads, and the polytetrafluoroethylene protective layers wrap the detecting heads and the conducting wires.

In one embodiment, in one of the accommodating cavities, the accommodating cavity accommodates a plurality of positioning members, and the positioning members are arranged in parallel.

In one embodiment, the positioning grooves are arranged at equal intervals.

In one embodiment, the positioning grooves are arranged in parallel.

In one embodiment, a plurality of communication holes are arranged between the accommodating cavity and the air inlet cavity.

In one embodiment, the air inlet cavity and the air outlet cavity are the same in size.

In one embodiment, the box body assembly further comprises a plurality of air exchanging pieces, each air exchanging piece is connected with each battery box in a one-to-one correspondence mode, in one air exchanging piece, an air exchanging port is formed in each air exchanging piece, and the air inlet hole is communicated with the air exchanging port.

In one embodiment, the detector head is a thermistor.

In one embodiment, the conducting wire comprises a core wire and an insulating layer, the core wire is connected with the probe, and the insulating layer is coated outside the core wire.

In one embodiment, the seal is a soft plug.

Compared with the prior art, the utility model discloses at least, following advantage has:

the utility model discloses an automobile battery pack, which comprises a battery pack shell, a box body assembly, a positioning assembly, a battery assembly and a temperature measuring assembly, wherein the battery pack shell comprises a bottom shell, a shell cover and a plurality of sealing elements; the box body assembly comprises a plurality of battery boxes; the positioning assembly comprises a plurality of positioning pieces; the battery assembly comprises a plurality of battery pieces; temperature measurement subassembly includes a plurality of temperature measurement pieces, and in a temperature measurement piece, the temperature measurement piece includes detecting head, wire and polytetrafluoroethylene protective layer, the utility model discloses an automobile battery package through setting up battery package casing, box subassembly, locating component, battery pack and temperature measurement subassembly, can utilize high temperature resistant, corrosion-resistant and shock-resistant temperature sensor to carry out temperature detection to every battery, and simultaneously, above-mentioned battery package can effectively prevent to take place the thermal runaway, and further, even the thermal runaway also can block effectively in the battery package has taken place for the thermal runaway can obtain effective control and block.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of an automotive battery pack according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a temperature measuring member of the automobile battery pack shown in fig. 1.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

It is noted that as used herein, reference to an element being "connected" to another element also means that the element is "in communication" with the other element, and fluid can be in exchange communication between the two.

In one embodiment, an automobile battery pack comprises a battery pack shell, a box body assembly, a positioning assembly, a battery assembly and a temperature measuring assembly, wherein the battery pack shell comprises a bottom shell, a shell cover and a plurality of sealing elements, the shell cover is arranged on the bottom shell, the bottom shell is provided with a plurality of sealing cavities and a plurality of pressure relief through holes, the pressure relief through holes are correspondingly arranged at the bottoms of the sealing cavities one by one, and the sealing elements are correspondingly accommodated in the pressure relief through holes one by one; the box body assembly comprises a plurality of battery boxes, each battery box is accommodated in each sealing cavity in a one-to-one correspondence mode, in one battery box, an air inlet hole is formed in one side face of each battery box, an air outlet hole is formed in the other side face of each battery box, an air inlet cavity, an accommodating cavity and an air outlet cavity are sequentially arranged in each battery box, each accommodating cavity is communicated with the corresponding air inlet cavity and the corresponding air outlet cavity, each air inlet cavity is communicated with the corresponding air inlet hole, and each air outlet cavity is communicated with the corresponding air outlet hole; the positioning assembly comprises a plurality of positioning pieces, each positioning piece is correspondingly accommodated in an accommodating cavity, and a plurality of positioning grooves are formed in one positioning piece; the battery component comprises a plurality of battery pieces, each battery piece is arranged in the containing cavity in a one-to-one correspondence mode, each battery piece comprises a plurality of battery monomers, and each battery monomer is connected with each positioning groove in a one-to-one correspondence mode; temperature measurement subassembly includes a plurality of temperature measurement pieces, and each temperature measurement piece one-to-one is connected with each battery monomer, and in a temperature measurement piece, the temperature measurement piece includes the detecting head, wire and polytetrafluoroethylene protective layer, and the detecting head is connected with battery monomer, and the wire is connected with the detecting head, and the cladding of polytetrafluoroethylene protective layer is outside detecting head and wire, the utility model discloses an automobile battery package through setting up battery package casing, box subassembly, locating component, battery pack and temperature measurement subassembly, can utilize high temperature resistant, corrosion-resistant and shock-resistant temperature sensor to carry out temperature detection to every battery, and simultaneously, above-mentioned battery package can effectively prevent to take place thermal runaway, and furtherly even take place thermal runaway also can block effectively in the battery package for thermal runaway can obtain effective control and block.

The concept of the above-described automobile battery pack will be better understood in order to better explain the above-described automobile battery pack.

Referring to fig. 1 and 2, an automotive battery pack 10 includes a battery pack case 100, a case assembly 200, a positioning assembly 300, a battery assembly 400, and a temperature measuring assembly 500, where the battery pack case 100 includes a bottom case 110, a case cover 120, and a plurality of sealing members 130, the case cover 120 is disposed on the bottom case 110, the bottom case 110 is provided with a plurality of sealing cavities 111 and a plurality of pressure relief through holes 112, the pressure relief through holes 112 are located at the bottom of the sealing cavities 111 in a one-to-one correspondence manner, and the sealing members 130 are accommodated in the pressure relief through holes 112 in a one-to-one correspondence manner.

It should be noted that, the bottom shell 110 is provided with a plurality of sealed cavities 111, when the housing cover 120 is disposed on the bottom shell 110, the sealed cavities 111 are not communicated, and each sealed cavity 111 is a completely sealed structure, in an embodiment, a sidewall of each sealed cavity 111 is a reinforced plate, so that when a battery in one sealed cavity 111 leaks or explodes, such an accident can be controlled in one sealed cavity 111, and cannot spread from one sealed cavity 111 to another sealed cavity 111, i.e., the accident such as thermal runaway is effectively controlled and blocked, a pressure relief through hole 112 is formed at the bottom of each sealed cavity 111, specifically, when the battery is thermally runaway, the battery generates a large amount of heat, and then the progress is rapidly increased, the high temperature melts and destroys objects around the battery, and at the same time, the battery sprays related gas and chemicals, which results in a significant increase in the pressure of the sealed cavity 111, if the battery continuously injects gas and chemicals, the pressure of the sealed cavity 111 is continuously increased, the sealed cavity 111 explodes when the pressure reaches a certain degree, and the pressure relief through hole 112 is formed at the bottom of the sealed cavity 111, and when the pressure of the sealed cavity 111 increases to a certain degree, the pressure rushes the sealing member 130 to discharge the pressure from the pressure relief through hole 112, so that the pressure of the sealed cavity 111 can be reduced, further, if the rate of pressure reduction of the sealed cavity 111 is lower than the rate of pressure increase, that is, when the pressure increases to a certain degree, the sealed cavity 111 still explodes, and since the pressure relief through hole 112 is always discharging pressure to the outside, when the sealed cavity 111 explodes, the explosion hole of the sealed cavity is at the pressure relief through hole 112, that is, the sealed cavity 111 explodes downward, in one embodiment, the automobile battery pack 10 is installed at the chassis of the electric automobile, therefore, the explosion is guided downwards, the direction of placing the explosion faces to the periphery or the upper side, the personal safety of people can be effectively improved, the sealing cavities 111 are sealed, the sealing cavities 111 are of reinforced plate structures, the explosion in one sealing cavity 111 cannot reach the adjacent sealing cavity 111, and therefore the explosion can be effectively controlled and blocked.

Further, referring to fig. 1 again, in one embodiment, the case assembly 200 includes a plurality of battery cases 210, each battery case 210 is accommodated in each sealing cavity 111 in a one-to-one correspondence manner, in one battery case 210, an air inlet hole 211 is formed on one side surface of the battery case 210, an air outlet hole 212 is formed on the other side surface of the battery case, an air inlet cavity 213, an accommodating cavity 214 and an air outlet cavity 215 are sequentially disposed in the battery case 210, the accommodating cavity 214 is respectively communicated with the air inlet cavity 213 and the air outlet cavity 215, the air inlet cavity 213 is communicated with the air inlet hole 211, and the air outlet cavity 215 is communicated with the air outlet hole 212.

It should be noted that, the battery box 210 is used for installing and fixing the battery, the battery box 210 is disposed in each sealed cavity 111, the sum of all the battery boxes 210 of all the sealed cavities 111 is the box assembly price 200, the sealed cavity 111 is a sealed structure, the battery box 210 is accommodated in the sealed cavity 111, that is, the battery box 210 is installed and fixed in the sealed cavity 111, in an embodiment, in one battery box 210, the battery box 210 is provided with a relatively large accommodating cavity, two mesh plates with through holes are inserted into the large accommodating cavity, so as to divide the battery box 210 into an air inlet cavity 213, an accommodating cavity 214 and an air outlet cavity 215, the air inlet cavity 213 is communicated with the accommodating cavity 214 by the through holes, the accommodating cavity 214 is also communicated with the air outlet cavity 215 by the through holes, in the air inlet cavity 213, an air inlet hole 211 is formed on the side wall of the battery box 210, so that the air inlet hole 211 is communicated with the air inlet cavity 213, and in the air outlet cavity 215, the sidewall of the battery box 210 is provided with an air outlet 212, so that the air outlet 212 is communicated with the air outlet cavity 215, thus, the air inlet 211, the air inlet cavity 213, the accommodating cavity 214, the air outlet cavity 215 and the air outlet 212 are sequentially communicated, the accommodating cavity 214 is used for installing and fixing the battery, when the heat dissipation air is introduced from the air inlet 211, the heat dissipation air flows into the air inlet cavity 213, then the heat dissipation air uniformly flows into the accommodating cavity 214 through the through hole between the air inlet cavity 213 and the accommodating cavity 214, the uniform heat dissipation air flows over the surface of the battery in the accommodating cavity 214, so as to cool the battery, so that the heat dissipation air can be uniformly introduced into the accommodating cavity 214 by using the through hole between the air inlet cavity 213 and the accommodating cavity 214, the heat dissipation effect can be obviously improved, finally, the heat dissipation air flows into the air outlet cavity 215 from the accommodating cavity 214 through the through hole between the accommodating cavity 214 and the air outlet cavity 215, and finally flows out of the battery box 210 from the air, in one embodiment, a cooling device is installed on the outer surface of the battery pack case 100, and the cooling device can dissipate heat from the bottom case 110, that is, can cool the sealed cavity 111, that is, can circularly dissipate heat from the heat dissipating wind flowing into the battery box 210, so that the heat dissipating effect on the battery is greatly improved, and the occurrence rate of thermal runaway of the battery is effectively reduced.

Further, referring to fig. 1 again, in one embodiment, the positioning assembly 300 includes a plurality of positioning members 310, each positioning member 310 is correspondingly accommodated in one accommodating cavity 214, and in one positioning member 310, a plurality of positioning slots 311 are formed on the positioning member 310.

It should be noted that, each accommodating cavity 214 is installed with a positioning member 310, and since there are multiple accommodating cavities 214, there are multiple positioning members 310, in one positioning member 310, there are multiple positioning slots 311, the positioning slots 311 are used for fixing batteries, the multiple positioning slots 311 are arranged in parallel, and the distances between the multiple positioning slots 311 are equal, in one embodiment, the positioning member 310 is a rectangular bar, there are multiple positioning slots 311 arranged on one side surface of the rectangular bar, the multiple positioning slots 311 are arranged in parallel, and the distances between the multiple positioning slots 311 are equal, then the rectangular bar is installed and fixed at the bottom of the accommodating cavity 214, it should be noted that the opening direction of the positioning slots 311 is the same as the direction formed by the air inlet hole 211 and the air outlet hole 212, so, after a battery is installed on the positioning slots 311, after air flows into the air cavity 213 from the air inlet hole 211, after flows into the accommodating cavities 214 through the air inlet cavity 213, gas can flow through from the surface of battery and hold chamber 214 and then flow into air cavity 215 from holding chamber 214, so, install the battery at constant head tank 311 and just can not block the flow of scattered hot-blast for the scattered hot-blast circulation that can be good in holding chamber 214, thereby very big improvement to the radiating quality of battery.

Further, referring to fig. 1 again, in one embodiment, the battery assembly 400 includes a plurality of battery pieces 410, each battery piece 410 is disposed in the accommodating cavity 214 in a one-to-one correspondence, in one battery piece 410, the battery piece 410 includes a plurality of battery cells 411, and each battery cell 411 is connected to each positioning groove 311 in a one-to-one correspondence.

It should be noted that, the battery assembly 400 is provided with a plurality of battery pieces 410, each accommodating cavity 214 is provided with one battery piece 410, that is, all the batteries in any accommodating cavity 214 are the battery pieces 410, in any battery piece 410, a plurality of battery monomers 411 are included, each battery monomer 411 is a battery unit and is the smallest energy storage unit of a power battery in an electric vehicle, one battery monomer 411 is correspondingly placed in one positioning groove 311, and because the positioning grooves 311 are equidistantly and parallelly arranged, the battery monomers 411 placed in the positioning groove 311 are equidistantly and parallelly arranged, so that the heat dissipation effect of the battery monomers 411 can be greatly improved, and the thermal runaway fault caused by poor heat dissipation of the battery monomers 411 can be effectively prevented.

Further, referring to fig. 1 and fig. 2 again, in an embodiment, the temperature measuring assembly 500 includes a plurality of temperature measuring members 510, each of the temperature measuring members 510 is connected to each of the battery cells 411 in a one-to-one correspondence, in one temperature measuring member 510, the temperature measuring member 510 includes a probe 511, a lead wire 512 and a teflon protective layer 513, the probe 511 is connected to the battery cell 411, the lead wire 512 is connected to the probe 511, and the teflon protective layer 513 covers the probe 511 and the lead wire 512.

It should be noted that, the temperature measuring member 510 is a temperature sensor, the temperature measuring member 510 is installed and fixed on the battery cell 411, in an embodiment, the temperature measuring member 510 may be adhered to the outer sidewall of the battery cell 411 by adhesion, or the temperature measuring member 510 is fixed on the outer sidewall of the battery cell 411 by using a bandage or the like, the probe 511 is a detection head of the temperature measuring member 510, the temperature measuring member 510 is fixed on the battery cell 411 by using the probe 511 to detect the temperature of the battery cell 411, actually, the probe 511 is fixed on the battery cell 411, the lead 512 is connected to the probe 511, so that the detected temperature of the battery cell 411 can be obtained by detecting the resistance value at the end of the lead 512 through corresponding calculation, the teflon protective layer 513 is a layer of teflon material, because teflon can resist acid and alkali, resist high temperature, and has a certain strength, therefore, the teflon protective layer 513 made of teflon can resist high temperature, corrosion and impact, so that after the teflon protective layer 513 is wrapped on the outer surfaces of the probe 511 and the lead 512, the temperature measuring part 510 can meet the use requirement, that is, the temperature measuring part 510 can resist high temperature, corrosion and impact.

Further, please refer to fig. 1 again, in an embodiment, in one accommodating cavity 214, the accommodating cavity 214 accommodates a plurality of positioning members 310, each positioning member 310 is arranged in parallel, each positioning member 310 has a plurality of positioning slots 311, if in one accommodating cavity 214, a plurality of positioning members 310 are arranged, and each positioning member 310 is arranged in parallel, so the positioning slots 311 at the same position of each positioning member 310 can fix the position of the battery cell 411 at the same time, so the firmness of the battery cell 411 can be effectively improved, thereby effectively preventing the occurrence of accidents such as collision between the battery cells 411.

Further, referring to fig. 1 again, in an embodiment, the positioning grooves are disposed at equal intervals and arranged in parallel, a plurality of positioning grooves 311 are disposed on one positioning member 310, the positioning grooves are disposed at equal intervals and arranged in parallel, that is, the battery cells 411 mounted on the positioning grooves 311 can be arranged in parallel and at equal intervals, so that the heat dissipation air can flow through the gaps between the battery cells 411, thereby effectively dissipating heat and cooling the battery cells 411, and preventing the battery cells from generating failures such as thermal runaway.

Further, referring to fig. 1 again, in an embodiment, a plurality of communication holes are disposed between the accommodating cavity 214 and the air inlet cavity 213, and a plurality of communication holes are disposed between the accommodating cavity 214 and the air inlet cavity 213, so that the heat dissipation air in the air inlet cavity 213 can be effectively and uniformly dispersed, and the heat dissipation air can uniformly flow into the accommodating cavity 214, thereby greatly improving the heat dissipation effect of the battery cell 411.

Further, referring to fig. 1 again, in one embodiment, the sizes of the air inlet cavity 213 and the air outlet cavity 215 are the same, the air inlet cavity 213 is used to effectively and uniformly disperse the heat dissipating air, the air outlet cavity 215 is used to collect the heat dissipating air dispersed in the accommodating cavity 214, and the sizes of the air inlet cavity 213 and the air outlet cavity 215 are set to be the same, and the volumes of the air inlet cavity 213 and the air outlet cavity 215 are smaller, so that the volume in the battery box 210 can be effectively saved, that is, the volume of the accommodating cavity 214 can be increased, and thus, more battery cells 411 can be prevented.

Further, referring to fig. 1 again, in one embodiment, the box assembly 200 further includes a plurality of air exchanging elements 220, each air exchanging element 220 is connected to each battery box 210 in a one-to-one correspondence, in one air exchanging element 220, an air exchanging port is opened on the air exchanging element 220, and the air inlet 211 is communicated with the air exchanging port.

It should be noted that each battery box 210 is provided with an air exchanging member 220, and an air exchanging port of the air exchanging member 220 is communicated with the air inlet 211, in an embodiment, the air exchanging member 220 is a ventilator, and the ventilator blows air into the air inlet 211, so that the air flowing speed in the accommodating cavity 214 can be increased, the heat dissipation of the battery cells 411 can be accelerated, that is, the battery cells 411 can be effectively prevented from faults such as thermal runaway and the like.

Further, referring again to fig. 2, in one embodiment, the detecting head 511 is a thermistor.

The resistance value of the thermistor can be changed in response to a change in temperature, and specifically, the resistance value of the thermistor can be increased or decreased as the temperature increases, and the change in temperature can be calculated by measuring the resistance value of the thermistor and calculating the value.

Further, referring to fig. 2 again, in an embodiment, the conductive wire 512 includes a core wire 512a and an insulating layer 512b, the core wire 512a is connected to the probing head 511, the insulating layer 512b covers the core wire 512a, and the insulating layer 512b covers the core wire 512a, so that the core wire 512a can be effectively prevented from being interfered by an external electrical signal, and the accuracy of temperature detection of the probing head 511 is ensured.

Further, referring to fig. 1 again, in an embodiment, the sealing member 130 is a soft rubber plug, and the sealing member 130 is set as a soft rubber plug, so that when the pressure of the sealing cavity 111 is increased to endanger personal safety or property safety, the soft rubber plug can be ensured to be flushed away by the pressure, the sealing cavity 111 can be decompressed, and the safety of the sealing cavity 111 is greatly improved.

the utility model discloses an automobile battery pack 10, including battery pack casing 100, box subassembly 200, locating component 300, battery pack 400 and temperature measurement component 500, battery pack casing 100 includes drain pan 110, cap 120 and a plurality of sealing members 130; the case assembly 200 includes a plurality of battery cases 210; the positioning assembly 300 includes a plurality of positioning members 310; battery assembly 400 includes a plurality of battery pieces 410; temperature measurement subassembly 500 includes a plurality of temperature measurement pieces 510, in a temperature measurement piece 510, temperature measurement piece 510 includes detecting head 511, wire 512 and polytetrafluoroethylene protective layer 513, the utility model discloses an automobile battery package 10, through setting up battery package casing 100, box subassembly 200, locating component 300, battery pack 400 and temperature measurement subassembly 500, can utilize high temperature resistant, corrosion-resistant and shock-resistant temperature sensor to carry out temperature detection to every battery, and simultaneously, above-mentioned battery package can effectively prevent the thermal runaway from taking place, furtherly, even take place the thermal runaway in the battery package and also can block effectively for the thermal runaway can obtain effective control and block.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. An automotive battery pack, comprising:

2. The vehicle battery pack of claim 1, wherein the receiving cavity receives a plurality of positioning members in one of the receiving cavities, and the positioning members are arranged in parallel.

3. The vehicle battery pack of claim 1, wherein the positioning grooves are equally spaced.

4. The vehicle battery pack of claim 1, wherein the positioning grooves are arranged in parallel.

5. The automobile battery pack according to claim 1, wherein a plurality of communication holes are provided between the housing chamber and the air inlet chamber.

6. The automobile battery pack according to claim 1, wherein the air inlet chamber and the air outlet chamber are of the same size.

7. The vehicle battery pack according to claim 1, wherein the case assembly further includes a plurality of air exchanging members, each of the air exchanging members is connected to each of the battery cases in a one-to-one correspondence, and in one of the air exchanging members, a ventilation port is formed in the air exchanging member, and the air inlet hole is communicated with the ventilation port.

8. The automotive battery pack of claim 1, wherein the detector head is a thermistor.

9. The vehicle battery pack of claim 1, wherein the conductive wire comprises a core wire and an insulating layer, the core wire is connected to the probe, and the insulating layer covers the core wire.

10. The automotive battery pack of claim 1, wherein the seal is a soft rubber plug.