CN208818359U - A kind of battery temperature monitoring device - Google Patents
A kind of battery temperature monitoring device Download PDFInfo
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- CN208818359U CN208818359U CN201821692006.XU CN201821692006U CN208818359U CN 208818359 U CN208818359 U CN 208818359U CN 201821692006 U CN201821692006 U CN 201821692006U CN 208818359 U CN208818359 U CN 208818359U
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- battery module
- battery
- heat
- contact
- module housings
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Abstract
This application discloses a kind of battery temperature monitoring device, for being monitored to the battery cell temperature in battery module housings, including circuit board and contact；The side wall of battery module housings offers through-hole；The movable end of contact is embedded in through-hole, and the fixing end of contact is fixed on the inner sidewall of battery module housings；Circuit board is installed on the lateral wall of battery module housings, and covers through-hole；Contact extends in heated situation, and and circuit board contacts.Battery temperature monitoring device provided herein utilizes the property expanded with heat and contract with cold, cooperate the function of circuit board, effectively the abnormal fever phenomenon of battery can be monitored in real time, its structure is simple and low in cost, safeguarded that it is with high costs actually to solve the problems, such as that device or method consumption manpower and material resources in the prior art cause without excessive manpower and financial resources.
Description
Technical field
This application involves battery-heating technical field more particularly to a kind of battery temperature monitoring devices.
Background technique
Temperature monitoring to battery module is the pith for guaranteeing electric energy storing system and working normally, existing battery mould
Deblocking temperature monitoring is usually to use temperature sensor, or estimate energy-storage system by mathematical model using battery management system
Temperature.However, circuit arrangement is difficult using the at high cost of temperature sensor and structure is complicated, meanwhile, it is reliable after longtime running
Property is difficult to ensure.And estimated using battery management system by temperature of the mathematical model to energy-storage system, amount of calculation
Greatly, to requirements for hardware height, and counting accuracy is not high.
Therefore, how to provide a structure simple, at low cost temperature monitoring device, be that those skilled in the art need to solve
Certainly the technical issues of.
Utility model content
The application's is designed to provide a kind of battery temperature monitoring device, solves in the prior art using temperature sensing
Device or mathematical model to battery temperature be monitored and caused by problem with high costs,
In view of this, this application provides a kind of battery temperature monitoring devices, for the battery in battery module housings
Cell temperature is monitored, including circuit board and contact；
The side wall of the battery module housings offers through-hole；
The movable end of the contact is embedded in the through-hole, and the fixing end of the contact is fixed on the battery module shell
The inner sidewall of body；
The circuit board is installed on the lateral wall of the battery module housings, and covers the through-hole；
The contact extends in heated situation, and with the circuit board contacts.
Preferably, the contact specifically includes drive rod and heat-conducting piece；
The fixing end of the drive rod is fixedly connected with heat-conducting piece；
The heat-conducting piece is fixed on the inner sidewall of the battery module housings.
Preferably, the heat-conducting piece specifically includes heat-conducting plate and heat conducting pipe；
The heat conducting pipe is fixed on the plate face of the heat-conducting plate；
The heat-conducting plate is fixed on the inner sidewall of the battery module housings；
At least part of the drive rod is nested in the heat conducting pipe, and the fixing end of the drive rod is led with described
Hot plate is fixedly connected.
Preferably, the inner sidewall of the battery module housings offers the first groove, and the heat-conducting plate assembly is in described
In one groove.
Preferably, the outer surface of the heat-conducting plate and the interior side-wall surface of the battery module housings are generally aligned in the same plane.
Preferably, which is characterized in that the contact further includes contact；
The contact is fixed on the movable end of the drive rod.
Preferably, the lateral wall of the battery module housings offers the second groove, and the circuit board assembly is in described
In two grooves.
Preferably, the outer surface of the circuit board is not higher than the outer side wall surface of the battery module housings.
Preferably, the through-hole of the battery module housings is specially stepped throughhole, and the perimeter of the stepped throughhole is certainly
The inner sidewall of the lateral wall of the battery module housings to the battery module housings is tapered.
In the embodiment of the present application, a kind of battery temperature monitoring device, including shell, circuit board and contact are provided；It connects
Contact element is in the through-hole of shell, and the inner sidewall of one end and shell is fixed.Circuit board is mounted on the lateral wall of shell, and is covered
The through-hole of lid housing.Under normal circumstances.Certain distance is reserved between contact and circuit board, when the abnormal fever of battery
When, contact extends in heated situation, generates corresponding with circuit board contacts so that the corresponding function circuit of circuit board is connected
Signal allows users to quickly discover the case where there are battery overheats.The dress of temperature monitoring provided by the embodiment of the present application
It sets that structure is simple and low in cost, is safeguarded actually solve device in the prior art without excessive manpower and financial resources
Or method consumption manpower and material resources lead to problem with high costs.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the application specific embodiment or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the application, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of battery module；
Fig. 2 is the structural schematic diagram of temperature monitoring device provided by the embodiment of the present application；
Fig. 3 is the structural schematic diagram of the contact of temperature monitoring device provided by the embodiment of the present application；
Fig. 4 for the embodiment of the present application provided by temperature monitoring device bottom view.
Label: battery module 10；Battery unit 12；Cooling duct 11；Battery module housings 1；Circuit board 2；Contact 3；
Contact 4；Drive rod 5；Heat-conducting plate 6；Heat conducting pipe 7.
Specific embodiment
It is clearly and completely described below in conjunction with technical solution of the attached drawing to the application, it is clear that described implementation
Example is some embodiments of the present application, instead of all the embodiments.Based on the embodiment in the application, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall in the protection scope of this application.
In the description of the present application, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for describe the application and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore should not be understood as the limitation to the application.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
Unless otherwise clearly defined and limited, term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, can
To be to be fixedly connected, may be a detachable connection, or be integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can
To be to be connected directly, the connection inside two elements can also be can be indirectly connected through an intermediary.For this field
For those of ordinary skill, the concrete meaning of above-mentioned term in this application can be understood with concrete condition.
Referring to Fig. 1, Fig. 1 is the structural schematic diagram of battery module.
The application devises a kind of battery temperature monitoring device, can be used for the battery unit 12 in battery module 10
Temperature is monitored.Battery module 10 includes cooling duct 11, battery module housings 1 and is contained in battery module housings 1
Battery unit 12.
Referring to Fig. 2, Fig. 2 is the structural schematic diagram of battery temperature monitoring device provided by the embodiment of the present application.
The application devises a kind of battery temperature monitoring device, including circuit board 2 and contact 3.
Battery module housings 1 are used for set battery unit.It should be noted that the battery module housings 1 shown in Fig. 1 are only
It is only a part of amplified image in the battery module housings 1 for accommodate battery unit, does not represent battery module housings 1
Shape is only the plate structure illustrated.
The side wall of battery module housings 1 offers through-hole, and the movable end of contact 3 is embedded in through-hole, and fixing end fixation is set
It is placed in the inner sidewall of battery module housings 1, in order to which the fixing end of contact 3 and the battery unit in battery module housings 1 are straight
Contact or the temperature for experiencing the battery unit in battery module housings 1.
Circuit board 2 is installed on the lateral wall of battery module housings 1, and covers through-hole, and contact 3 is enclosed in battery mould
In block shell 1.Functional circuit, such as indicating circuit, warning circuit, radio communication circuit etc. are provided on circuit board 2.Circuit board
2 are specifically as follows pcb board, and contact portion can be set relative to the side of contact 3 in pcb board, and under normal circumstances, the contact portion
It is spaced a predetermined distance from 3 top surface of contact.
Contact 3 should have good expansion and contraction property, and when battery unit adstante febre, 3 expanded by heating of contact is stretched
Long, since the fixing end of contact 3 is fixed on battery module housings, the movable end of contact 3 can extend.When battery list
The temperature of member is more than preset value, the i.e. abnormal adstante febre of battery unit, and contact 3 is heated to generate scheduled deformation, to make it
Movable end, which is extended to circuit board 2, to be contacted, by being in electrical contact or triggering the corresponding button, so that the corresponding function circuit of circuit board is led
It is logical, corresponding signal is generated, has the generation of battery overheat condition in order to which user can discover at once.When contact 3 by thermal stretching with
When circuit board 2 contacts, that is, shows that battery overheats, effectively the abnormal fever phenomenon of battery can be monitored in real time, tie
Structure is simple and at low cost, is safeguarded without excessive manpower and financial resources, therefore, battery temperature provided by the embodiment of the present application
Monitoring device solves apparatus structure complexity in the prior art, and technology with high costs caused by manpower and material resources consumption is big is asked
Topic.
Further, battery temperature monitoring device provided by the embodiment of the present application can also carry out following optimize.It please join
Fig. 3 is examined, Fig. 3 is the structural schematic diagram of the contact of battery temperature monitoring device provided by the embodiment of the present application.
The fixing end of contact both can be directly fixedly connected with plate, may be set to be separate structure.Divide when using
When body structure, contact can specifically include drive rod 5 and heat-conducting piece.Drive rod 5 can be rod-like structure, can also use spiral shell
The forms such as rotation spring, elastic slice make it in short, drive rod 5 should be extended and be contacted with circuit board 2 in battery abnormal adstante febre
Corresponding functional circuit is connected.One end of drive rod 5 is fixing end, is fixedly connected with heat-conducting piece, the other end is movable end, is used for
Extended when heated.Heat-conducting piece is fixedly connected with the inner sidewall of battery module housings, on the one hand for fixing entire battery
Temperature monitoring device, on the other hand for absorbing the heat of battery unit generation and passing to drive rod 5.Drive rod 5 is by leading
Warmware is fixed on battery module housings, and when the temperature of battery unit is more than predetermined value, drive rod 5 is heated to generate scheduled shape
Become.The material of drive rod 5 can be set for selecting according to the operating temperature of battery module, to guarantee that drive rod 5 is cold in battery
But it can be restored to original state after, can choose memory alloy material.
Heat-conducting piece can specifically include heat-conducting plate 6 and heat conducting pipe 7.Heat-conducting plate 6 and heat conducting pipe 7 are thermally conductive at " T " font structure
Pipe 7 is fixed on the plate face of heat-conducting plate 6.Heat-conducting plate 6 is fixed on the inner sidewall of battery module housings, can be with the electricity in battery module
The contact of pond monomer.Heat-conducting plate 6 can be set as different thickness according to thermally conductive sensitivity requirement.At least part of drive rod 5
It is nested in heat conducting pipe 7, and the fixing end of drive rod 5 and heat-conducting plate 6 can realize fixed company using modes such as clamping, welding
It connects.It should be noted that heat-conducting plate 6 is used to receive temperature and the transmitting of battery-heating, heat conducting pipe 7 is tubular structure, works as reception
When the heat transmitted to heat-conducting plate 6, the good conductive force of heat conducting pipe 7 accelerates internal drive rod 5 by thermal velocity,
Improve the timeliness of battery detection.Heat-conducting piece can be made using copper etc. with the material of Thermal conductivity.
In addition, heat-conducting plate 6 can also function only as heat transfer effect, by by a part of grafting of heat conducting pipe 7 or being molded in
It is fixed in battery module housings 1.Certainly, the two can also be fixed with battery module housings 1 simultaneously, and only one herein
Feasible scheme, fixing means is without limitation.
It should be noted that heat-conducting plate 6 can be plate structure, it is also possible to reach fixed and increases heat-conducting area
Other structures.It is when it is horizontally arranged that plate structure herein, which should be appreciated that, and upper and lower surfaces should be plane, and
Its whole profile (profile for overlooking or looking up angle) is it is not limited here, it can be provided the various shapes such as circle, rectangle
Shape.
The tubular structure of heat conducting pipe 7 can play the role of guiding and uniformly transfer heat, in temperature change, be mounted on thermally conductive
Drive rod 5 in pipe 7 can in tubular structure free extension.The similar structure of other function is for example, helical structure, rod-shaped
The technical effect for being oriented to and being conducted heat to drive rod can be achieved in structure etc..
Please also refer to Fig. 2, Fig. 3 and Fig. 4, Fig. 4 for the embodiment of the present application provided by temperature monitoring device look up
Figure.
In order to facilitate the fixed and positioned of heat-conducting plate 6, can be opened up in the inner sidewall corresponding position of battery module housings 1
One groove, 6 assembly of heat-conducting plate is in the first groove.For the planarization for guaranteeing battery module housings 1, the outer surface of heat-conducting plate 6 can
Same plane is substantially at the interior side-wall surface with battery module housings 1.
It equally, can also be in the lateral wall corresponding positions of battery module housings 1 in order to facilitate the fixed and positioned of circuit board 2
It sets and opens up the second groove, 2 assembly of circuit board is in the second groove.It the outer surface of circuit board 2 can be outer with battery module housings 1
Sidewall surfaces are substantially at same plane, or are at least not higher than the outer side wall surface of battery module housings 1.
In order to guarantee that contact 3 is able to carry out the good function of contacting and realize circuit board with circuit board 2, contact
Movable end should have scheduled contact area.Preferably, contact 3 is also provided with contact 4, and contact 4 can pass through pressure
It the modes such as connects, weld to be fixedly mounted on the movable end of drive rod 5.When the temperature of battery unit is more than preset value, drive rod 5 is produced
Raw scheduled deformation, so that contact 4 be made to contact with circuit board 2.It is that electricity is carried out by the property that conducts of contact 4 in circuit board 2
In the case that road is connected, contact should have good electric conductivity, can use silver-based contact.Certainly, circuit board 2 and contact 4
A button also can be set in the position of contact, when button is triggered, realizes the conducting of 2 inside corresponding function circuit of circuit board
Or disconnect, at this point, contact 4 need not be conductive contact.
In the case where contact 4 are arranged, the channel for facilitating contact 4 mobile should be provided in battery module housings 1, because
This, the through-hole of battery module housings 1 is specifically as follows stepped throughhole, and the perimeter of stepped throughhole is from battery module housings 1
The inner sidewall of lateral wall to battery module housings 1 reduces.Certainly, through-hole needs that contact is facilitated to move including 4, stepped throughhole
Shape be only a kind of executable scheme provided by the present application, may be set to be the other structures such as chondritic.Battery mould
The through-hole of block shell 1 may be set to be ladder-like in the case where no contact 4.
When battery module work, due to overcharging, over-discharge and short circuit etc. lead to abnormal adstante febre, battery cell generates
Heat pass to heat conducting pipe 7 through heat-conducting plate 6.Since heat conducting pipe 7 is wrapped in drive rod 5, to add to drive rod 5 rapidly
Heat so that drive rod 5 acts, and then is moved with moving contact 4.Contact 4 is moved to be contacted with circuit board 2, by corresponding function
Energy circuit conducting, functional circuit can carry out local status display, such as sound-light alarm, generation smell etc..Alternatively, function is electric
Status information can be sent to server or terminal by wireless communication apparatus by road through wireless communication, so that with
Family can obtain rapidly the state of battery module.
One battery module includes multiple battery cells, therefore, multiple electricity can be installed on battery module housings 1
Pond temperature monitoring device.When the abnormal adstante febre of a certain piece of battery, the functional circuit of corresponding circuit board 2 is connected, and will be corresponding
Status information for example battery number, contact coordinate be sent to server or terminal, allow users to accurately judge electricity
The position of abnormal battery in the module of pond.Similarly, a set of battery system can also install multiple battery temperature monitoring devices, so as to
The position of abnormal battery module is found in user.Multiple electricity also can be set in multiple positions of the side of a battery unit
The control system of pond temperature monitoring device, server or terminal can be according to the state of multiple battery temperature monitoring devices according to pre-
Fixed rule judges the state of temperature of battery, to improve the accuracy and reliability of temperature monitoring.
Battery temperature monitoring device provided by the embodiment of the present application, it is only necessary to the battery module housings 1 of battery module
Structure is simply transformed, while realizing temperature monitoring using the expansion and contraction property of drive rod 5, therefore structure is simple, cost
It is low.Drive rod 5 is heated using tubulose heat conducting pipe 7 simultaneously, temperature detection is more accurate.In addition, when using memorial alloy
When material is as 5 material of drive rod, since the durability and work consistency of memorial alloy are good, after longtime running, still ensure that
The reliability of work.
It should be appreciated that in this application, " at least one (item) " refers to one or more, and " multiple " refer to two or two
More than a."and/or" indicates may exist three kinds of relationships, for example, " A and/or B " for describing the incidence relation of affiliated partner
It can indicate: only exist A, only exist B and exist simultaneously tri- kinds of situations of A and B, wherein A, B can be odd number or plural number.Word
Symbol "/" typicallys represent the relationship that forward-backward correlation object is a kind of "or"." at least one of following (a) " or its similar expression, refers to
Any combination in these, any combination including individual event (a) or complex item (a).At least one of for example, in a, b or c
(a) can indicate: a, b, c, " a and b ", " a and c ", " b and c ", or " a and b and c ", and wherein a, b, c can be individually, can also
To be multiple.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the application, rather than its limitations；To the greatest extent
Pipe is described in detail the application referring to foregoing embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, each embodiment technology of the application that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (9)
1. a kind of battery temperature monitoring device, for being monitored to the battery cell temperature in battery module housings, feature
It is, including circuit board and contact；
The side wall of the battery module housings offers through-hole；
The movable end of the contact is embedded in the through-hole, and the fixing end of the contact is fixed on the battery module housings
Inner sidewall；
The circuit board is installed on the lateral wall of the battery module housings, and covers the through-hole；
The contact extends in heated situation, and with the circuit board contacts.
2. battery temperature monitoring device according to claim 1, which is characterized in that the contact specifically includes drive rod
And heat-conducting piece；
The fixing end of the drive rod is fixedly connected with the heat-conducting piece；
The heat-conducting piece is fixed on the inner sidewall of the battery module housings.
3. battery temperature monitoring device according to claim 2, which is characterized in that the heat-conducting piece specifically includes heat-conducting plate
And heat conducting pipe；
The heat conducting pipe is fixed on the plate face of the heat-conducting plate；
The heat-conducting plate is fixed on the inner sidewall of the battery module housings；
At least part of the drive rod is nested in the heat conducting pipe, and the fixing end of the drive rod and the heat-conducting plate
It is fixedly connected.
4. battery temperature monitoring device according to claim 3, which is characterized in that the inner sidewall of the battery module housings
The first groove is offered, the heat-conducting plate assembly is in first groove.
5. battery temperature monitoring device according to claim 4, which is characterized in that the outer surface of the heat-conducting plate and the electricity
The interior side-wall surface of pond module housing is generally aligned in the same plane.
6. battery temperature monitoring device according to any one of claims 2 to 5, which is characterized in that the contact also wraps
Include contact；
The contact is fixed on the movable end of the drive rod.
7. battery temperature monitoring device according to any one of claims 1 to 5, which is characterized in that the battery module shell
The lateral wall of body offers the second groove, and the circuit board assembly is in second groove.
8. battery temperature monitoring device according to claim 7, which is characterized in that the outer surface of the circuit board is not higher than
The outer side wall surface of the battery module housings.
9. battery temperature monitoring device according to any one of claims 1 to 5, which is characterized in that the battery module shell
The through-hole of body is specially stepped throughhole, and the perimeter of the stepped throughhole is from the lateral walls of the battery module housings to described
The inner sidewall of battery module housings is tapered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821692006.XU CN208818359U (en) | 2018-10-18 | 2018-10-18 | A kind of battery temperature monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821692006.XU CN208818359U (en) | 2018-10-18 | 2018-10-18 | A kind of battery temperature monitoring device |
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| Publication Number | Publication Date |
|---|---|
| CN208818359U true CN208818359U (en) | 2019-05-03 |
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ID=66279968
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821692006.XU Active CN208818359U (en) | 2018-10-18 | 2018-10-18 | A kind of battery temperature monitoring device |
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| CN (1) | CN208818359U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113567001A (en) * | 2021-07-26 | 2021-10-29 | 湖北亿纬动力有限公司 | Battery heating temperature detection device and detection method thereof |
| CN117284087A (en) * | 2023-11-24 | 2023-12-26 | 天津力神电池股份有限公司 | Thermal runaway early warning device and system |
-
2018
- 2018-10-18 CN CN201821692006.XU patent/CN208818359U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113567001A (en) * | 2021-07-26 | 2021-10-29 | 湖北亿纬动力有限公司 | Battery heating temperature detection device and detection method thereof |
| CN113567001B (en) * | 2021-07-26 | 2023-12-05 | 湖北亿纬动力有限公司 | Battery heated temperature detection device and detection method thereof |
| CN117284087A (en) * | 2023-11-24 | 2023-12-26 | 天津力神电池股份有限公司 | Thermal runaway early warning device and system |
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