CN205192650U - Temperature sampling subassembly and battery module thereof - Google Patents
Temperature sampling subassembly and battery module thereof Download PDFInfo
- Publication number
- CN205192650U CN205192650U CN201520969515.2U CN201520969515U CN205192650U CN 205192650 U CN205192650 U CN 205192650U CN 201520969515 U CN201520969515 U CN 201520969515U CN 205192650 U CN205192650 U CN 205192650U
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- thermistor
- pcb board
- temperature sampling
- sampling assembly
- guard member
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model provides a temperature sampling subassembly, including PCB board and protection piece, be provided with thermistor in the one side of PCB board, protection piece covers on the PCB board is provided with thermistor's one side, encapsulates thermistor between PCB board and protection piece, and the one side that the PCB board did not set up thermistor exposes, and the one side that does not just set up thermistor is used for and the surface contact by the temperature measurement object, the PCB board is provided with the reinforcement structure that still is provided with protection thermistor in thermistor's the one side, the reinforcement structure is the annular structure, and thermistor is arranged in the hole of reinforcement structure. The utility model discloses a PCB is stiff and straight to be connect and is fully contacted by the temperature measurement object, and thermistor sets up on the PCB board, and heat transmission route is short, can quicker accurate collection by the temperature of temperature measurement object, and ben wendu sampling subassembly simple to operate promotes assembly efficiency.
Description
Technical field
The utility model relates to electrokinetic cell field, particularly relates to a kind of temperature sampling assembly and battery modules thereof.
Background technology
NTC, i.e. thermistor, have with temperature rising resistance exponentially relation reduce characteristic, be usually used in the temperature sampling of electronic product or engineering goods.Existing temperature sampling assembly is: thermistor is welded on two lines or in flexible circuit board, carries out encapsulation thermistor by epoxy resin or heat-conducting glue, and the outside sheet metal (nickel sheet or aluminium flake) that passes through is connected heat conduction with heat radiating structure.Delivered heat path is: itself passed to sheet metal by thermometric object and arrive epoxy resin (or heat-conducting glue) again and finally arrive NTC, then by sample line or flexible circuit board uploading data.This sampling structure just need can be passed to NTC thermistor through sheet metal and epoxy resin (or heat-conducting glue) by the heat of thermometric object, sheet metal is long, transmission path is far away, and heat transfer is slow, and cost is high, and temperature terminal is with complicated by the packaging technology of thermometric object.
Summary of the invention
For there is the problem that heat transfer is slow, sampling is not accurate and package assembly is complicated in existing temperature sampling assembly, the utility model provides a kind of temperature sampling assembly and battery modules thereof, directly fully contacted with by thermometric object by pcb board, thermistor is arranged on pcb board, delivered heat path is short, can more fast accurate collection be by the temperature of thermometric object, and this temperature sampling assembly is easy for installation, promotes efficiency of assembling.
It is as follows that the utility model solves the problems of the technologies described above adopted technical scheme:
A kind of temperature sampling assembly is provided, comprise pcb board and guard member, the one side of described pcb board is provided with thermistor, described guard member is covered in pcb board and is provided with in the one side of thermistor, described thermistor is packaged between pcb board and guard member, the one side that described pcb board does not arrange thermistor exposes, and the described one side that thermistor is not set for by the surface contact of thermometric object; The one side that described pcb board is provided with thermistor is also provided with the reinforced structure of protection thermistor; Described reinforced structure is ring texture, and described thermistor is arranged in the endoporus of reinforced structure.
Further, the one side that described pcb board is provided with thermistor is provided with extraction circuit, and described extraction circuit is electrically connected with thermistor, and described temperature sampling assembly also comprises sample line, and described sample line is connected with extraction circuit.
Further, described guard member is the moulding be connected with pcb board and thermistor one.
Further, described guard member is provided with the clamping part for the protection of part location and installation.
Further; the described clamping part one side not arranging thermistor towards pcb board that to be described guard member be provided with thermistor by pcb board extends and is bent to form; draw-in groove is formed between the one side that clamping part and pcb board do not arrange thermistor; by draw-in groove and by the clamping of thermometric object; guard member is fixed on by thermometric object, and the one side that pcb board does not arrange thermistor is fitted with by thermometric body surface.
Further, be also provided with solidification glue in the endoporus of described reinforced structure, described solidification glue covers thermistor, and described thermistor and reinforced structure are all packaged between pcb board and guard member.
A kind of battery modules, comprises multiple battery cell and temperature sampling assembly as above.
Further, described temperature sampling assembly is installed on battery cell, fits in the surface of one side and battery cell that described pcb board does not arrange thermistor.
Further, arrange power brace and carry out Electrode connection between described battery cell, described temperature sampling assembly is installed on power brace, fits in the surface of one side and power brace that described pcb board does not arrange thermistor.
Further, described power brace comprises positive pole output chip and negative pole output chip, described temperature sampling assembly is installed on positive pole output chip and/or negative pole output chip, and the one side that described pcb board does not arrange thermistor is fitted with positive pole output chip and/or negative pole output chip.
Thermistor is arranged at the one side of pcb board by the utility model, the one side that pcb board does not arrange thermistor exposes, the one side not arranged thermistor by pcb board is fully contacted with by thermometric object, guard member is adopted to encapsulate pcb board, simultaneously as the installation component of temperature sampling assembly, one side pcb board not being arranged thermistor is pressed together on by the surface of thermometric object, pcb board can ensure this temperature acquisition structure and be had sufficient contact area by thermometric object, can be delivered on pcb board fast by the heat that thermometric object distributes, thus received by thermistor, make thermistor can be faster, respond to by the heat on thermometric object more accurately, and thermistor is heated evenly, accuracy is high.This device has carried out available protecting to thermistor, avoids extraneous factor to the interference of thermistor, and apparatus structure is simple simultaneously, is convenient to install, simplified assembling process.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of temperature sampling assembly that the utility model provides.
Fig. 2 is the structural representation of a kind of temperature sampling assembly that the utility model provides.
Fig. 3 is the explosive view of a kind of temperature sampling assembly that the utility model provides.
Fig. 4 is the inner structure schematic diagram of a kind of temperature sampling assembly that the utility model provides.
Fig. 5 is the structural representation of a kind of battery modules that the utility model provides.
Fig. 6 is the enlarged diagram at A place in Fig. 5.
Fig. 7 is the enlarged diagram at B place in Fig. 5.
Fig. 8 is the vertical view of the brace that the utility model provides.
Fig. 9 is the cut-open view in C-C face in Fig. 8.
Reference numeral in Figure of description is as follows:
1, guard member; 11, clamping part; 12, draw-in groove; 2, sample line; 3, pcb board; 31, thermistor; 32, circuit is drawn; 4, reinforced structure; 5, battery cell; 6, power brace; 61, middle brace; 62, positive pole output chip; 63, negative pole output chip; 7, sample line row; 8, go between.
Embodiment
The technical matters solved to make the utility model, technical scheme and beneficial effect are clearly understood, below in conjunction with drawings and Examples, are further elaborated to the utility model.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
In description of the present utility model, it will be appreciated that, term " thickness ", " on ", D score, " top ", " end ", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In description of the present utility model, except as otherwise noted, the implication of " multiple " is two or more.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.
Shown in Fig. 1 ~ Fig. 3, the utility model discloses a kind of temperature sampling assembly, comprise pcb board 3 and guard member 1, the one side of described pcb board 3 is provided with thermistor 31, described thermistor 31 can be with the connected mode of pcb board 3 and welds, described thermistor 31 is fitted with pcb board 3 surface, described guard member 1 is covered in pcb board 3 and is provided with in the one side of thermistor 31, described thermistor 31 is packaged between pcb board 3 and guard member 1, the one side that described pcb board 3 does not arrange thermistor 31 exposes, and the described one side that thermistor 31 is not set for by the surface contact of thermometric object.
Shown in Fig. 3 and Fig. 4; the one side that described pcb board 3 is provided with thermistor is provided with the reinforced structure 4 of protection thermistor 31; reinforced structure 4 plays a protective role to thermistor 31 when guard member 1 carries out injection moulding; simultaneously because the utility model adopts thinner pcb board 3, the crushing resistance of pcb board 3 can be strengthened by reinforced structure 4.Concrete, described reinforced structure 4 is ring texture, and described thermistor 31 is arranged at the interior hole site of reinforced structure 4, avoids injection pressure to produce infringement to the thermistor 31 of centre.
Further; solidification glue (not shown) is set in the endoporus of described reinforced structure 4; described solidification glue covers thermistor 31, avoids thermistor 31 directly to contact with the injected plastics material of guard member 1, fixes the position of reinforced structure 4 simultaneously; described solidification glue can adopt UV glue; i.e. ultra-violet curing glue, needs after UV glue instillation reinforced structure to adopt uviol lamp to carry out irradiation solidification, it should be noted that; solidification glue also can be the colloid that other have protective effect, and it need possess certain heat-resisting quantity.
Described thermistor 31 and reinforced structure 4 are all packaged between pcb board 3 and guard member 1.
Hereinafter, one side pcb board 3 being provided with thermistor 31 is defined as the upper surface of pcb board 3, and one side pcb board 3 not being arranged thermistor 31 is defined as the lower surface of pcb board 3; Simultaneously; according to the above-mentioned definition to upper surface and lower surface; " on " corresponding with " top "; D score is corresponding with " end "; then be appreciated that guard member 1 is positioned at the top of pcb board 3, pcb board 3 is positioned at the bottom of guard member 1; so in the same way, bottom hereinafter and the position relationship expressed by top is namely appreciated that.
By the lower surface of pcb board 3 is directly contacted with by thermometric object, this temperature acquisition structure can be ensured and had sufficient contact area by thermometric object, can be delivered to fast on pcb board 3 by the heat that thermometric object distributes, thus received by thermistor 31, thermistor 31 is made to respond to by the heat on thermometric object sooner, more accurately, and thermistor 31 is heated evenly, accuracy is high.Guard member 1 pair of thermistor 31 has carried out available protecting, avoids extraneous factor to the interference of thermistor 31, and the heat that also prevent thermistor 31 distributes the impact on its sample temperature.
In the present embodiment, as preferred a kind of embodiment, the one side that described pcb board 3 is provided with thermistor is provided with and draws circuit 32, described extraction circuit 32 is positioned at the two ends of thermistor 31, described thermistor 31 is connected on draws on circuit 32, and described extraction circuit 32 is electrically connected with thermistor 31, and described temperature sampling assembly also comprises sample line 2, described sample line 2 is connected with extraction circuit 32, carries out faradic transmission by sample line 2.Described sample line 2 has 2, described sample line 2 is connected with extraction circuit 32 respectively, 2 sample line apply voltage respectively, thermistor 31 two ends are made to produce electric potential difference, thermistor 31 has electric current to flow through, by pcb board 3 and by thermometric object contact, the temperature of thermistor 31 is subject to by thermometric object contributions, thus change the resistance value of thermistor 31, due to the relation that resistance value and its temperature of thermistor 31 exponentially reduce, the temperature of thermistor 31 can be extrapolated from its current value, reach the effect of temperature sampling.It should be noted that, the electric current extraction being carried out this temperature sampling assembly by sample line 2 is only the preferred of the present embodiment, and other realize the setting of function of the same race, as pcb board circuit, metal connecting sheet etc., all should be included within protection domain of the present utility model.
Described guard member 1 is the moulding be connected with pcb board 3 and thermistor 31 one, by the outside injection molded guard member 1 at pcb board 3, thermistor 31 on pcb board 3 can be wrapped up, thermistor 31 is avoided to expose in the environment, extend the serviceable life of thermistor 31, improve measuring accuracy; Pcb board 3 is arranged on bottom guard member 1; the utility model does not limit the concrete profile of guard member 1; the guard member 1 of injection moulding according to by the corresponding change profile of the external structure of thermometric object, can make it be coordinated by thermometric body surface from different, thus pcb board 3 is fully contacted with by thermometric object.
As further preferred embodiment; described guard member 1 is provided with the clamping part 11 for the protection of part 1 location and installation; by this clamping part 11 be combined by thermometric object buckle; guard member 1 is fixed on by thermometric object; thus fixing pcb board 3 and thermistor 31, so that the lower surface of pcb board 3 is fitted in by thermometric object.
As above-mentioned clamping part 11 further preferably; in an embodiment of the present utility model; clamping part 11 one side not arranging thermistor 31 towards pcb board 3 that to be described guard member 1 be provided with thermistor 31 by pcb board 3 extends and is bent to form; draw-in groove 12 is formed between the bottom (one side of thermistor is not set) of clamping part 11 and pcb board 3; by draw-in groove 12 and by the clamping of thermometric object; guard member 1 is fixed on by thermometric object; and the one side that pcb board 3 does not arrange thermistor is fitted with by thermometric body surface, this buckle structure removes and installs conveniently.
In the present embodiment, in order to shorten by the heat-transfer path between thermometric object and thermistor 31, adopt ultra-thin PCB, the thickness of described pcb board 3 is 0.2 ~ 0.4mm.
Shown in Figure 5, the invention also discloses a kind of battery modules, comprise multiple battery cell 5 and a kind of temperature sampling assembly as above.
Described battery cell 5 is arrangement in matrix, arranges sample line row 7 and be electrically connected between battery cell 5, and described sample line row 7 is positioned at battery cell 5 top, and battery cell 5 arranges lead-in wire 8 and arranges 7 with sample line and be connected.
As shown in Figure 6; for a kind of preferred implementation of temperature sampling assembly in the utility model; described temperature sampling assembly is installed on battery cell 5; fit in the lower surface of described pcb board 3 and the surface of battery cell 5; the both sides of guard member 1 arrange clamping part; described pcb board 3 is arranged 7 be connected by being arranged sample line 2 and the sample line in battery modules, and to transmit data, described temperature sampling assembly mainly gathers the temperature parameter on battery cell 5 surface.
As shown in Fig. 7 ~ Fig. 9, for the another kind of preferred implementation of temperature sampling assembly in the utility model, power brace 6 is set between described battery cell 5 and carries out Electrode connection, described temperature sampling assembly is installed on power brace 6, fit in the surface of one side and power brace 6 that described pcb board 3 does not arrange thermistor, preferred, described power brace 6 comprises middle brace 61, positive pole output chip 62 and negative pole output chip 63, described middle brace 61 is for the electric connection between battery cell, described positive pole output chip 62 and negative pole output chip 63 export for the electric power of battery modules, described temperature sampling assembly is installed on positive pole output chip 63 and/or described temperature sampling assembly is installed on negative pole output chip 63, the lower surface of described pcb board 3 and positive pole output chip 63 are fitted and/or the lower surface of described pcb board 3 and negative pole output chip 63 are fitted, described pcb board 3 is arranged 7 be connected by being arranged sample line 2 and the sample line in battery modules, to transmit data.Described temperature sampling assembly mainly gathers the temperature parameter of positive pole output chip 62 and negative pole output chip 63 in battery modules.It should be noted that, in the present embodiment, temperature sampling assembly is arranged at positive pole output chip 62 and negative pole output chip 63, mainly consider that the magnitude of current of positive pole output chip 62 and negative pole output chip 63 is large, also be provided with the syndeton such as rivet, screw simultaneously, easily become heating and concentrate place, it is preferred that this setting is only the present embodiment, and temperature sampling assembly can be arranged on middle brace by those skilled in the art as required.
Clamping part 11 is provided with bottom the guard member 1 of described temperature sampling assembly; be combined with power brace 6 buckle by this clamping part 11; guard member 1 is fixed on power brace 6; thus fixing pcb board 3 and thermistor 31; described clamping part 11 one side not arranging thermistor 31 towards pcb board 3 that to be described guard member 1 be provided with thermistor 31 by pcb board 3 extends and is bent to form; draw-in groove 12 is formed, by the side clamping of draw-in groove 12 with power brace 6 between the bottom of clamping part 11 and pcb board 3.
A kind of temperature sampling assembly disclosed in the utility model is equally applicable to other machinery or electronic products needing to carry out temperature acquisition.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a temperature sampling assembly, it is characterized in that, comprise pcb board and guard member, the one side of described pcb board is provided with thermistor, described guard member is covered in pcb board and is provided with in the one side of thermistor, be packaged between pcb board and guard member by described thermistor, the one side that described pcb board does not arrange thermistor exposes, and the described one side that thermistor is not set for by the surface contact of thermometric object; The one side that described pcb board is provided with thermistor is also provided with the reinforced structure of protection thermistor; Described reinforced structure is ring texture, and described thermistor is arranged in the endoporus of reinforced structure.
2. temperature sampling assembly according to claim 1, it is characterized in that, the one side that described pcb board is provided with thermistor is provided with extraction circuit, and described extraction circuit is electrically connected with thermistor, described temperature sampling assembly also comprises sample line, and described sample line is connected with extraction circuit.
3. temperature sampling assembly according to claim 1, is characterized in that, described guard member is the moulding be connected with pcb board and thermistor one.
4. temperature sampling assembly according to claim 1, is characterized in that, described guard member is provided with the clamping part for the protection of part location and installation.
5. temperature sampling assembly according to claim 4; it is characterized in that; the described clamping part one side not arranging thermistor towards pcb board that to be described guard member be provided with thermistor by pcb board extends and is bent to form; draw-in groove is formed between the one side that clamping part and pcb board do not arrange thermistor; by draw-in groove and by the clamping of thermometric object; guard member is fixed on by thermometric object, and the one side that pcb board does not arrange thermistor is fitted with by thermometric body surface.
6. temperature sampling assembly according to claim 1, is characterized in that, is also provided with solidification glue in the endoporus of described reinforced structure, and described solidification glue covers thermistor, and described thermistor and reinforced structure are all packaged between pcb board and guard member.
7. a battery modules, is characterized in that, comprises multiple battery cell and as the temperature sampling assembly in claim 1 ~ 6 as described in any one.
8. battery modules according to claim 7, is characterized in that, described temperature sampling assembly is installed on battery cell, fits in the surface of one side and battery cell that described pcb board does not arrange thermistor.
9. battery modules according to claim 7, it is characterized in that, arrange power brace between described battery cell and carry out Electrode connection, described temperature sampling assembly is installed on power brace, fits in the surface of one side and power brace that described pcb board does not arrange thermistor.
10. battery modules according to claim 9, it is characterized in that, described power brace comprises positive pole output chip and negative pole output chip, described temperature sampling assembly is installed on positive pole output chip and/or negative pole output chip, and the one side that described pcb board does not arrange thermistor is fitted with positive pole output chip and/or negative pole output chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520969515.2U CN205192650U (en) | 2015-11-27 | 2015-11-27 | Temperature sampling subassembly and battery module thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520969515.2U CN205192650U (en) | 2015-11-27 | 2015-11-27 | Temperature sampling subassembly and battery module thereof |
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| Publication Number | Publication Date |
|---|---|
| CN205192650U true CN205192650U (en) | 2016-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520969515.2U Active CN205192650U (en) | 2015-11-27 | 2015-11-27 | Temperature sampling subassembly and battery module thereof |
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| CN (1) | CN205192650U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021103826A1 (en) * | 2019-11-25 | 2021-06-03 | 宁德时代新能源科技股份有限公司 | Battery module, battery pack, and vehicle |
| WO2022006801A1 (en) * | 2020-07-09 | 2022-01-13 | 威睿电动汽车技术(宁波)有限公司 | Temperature monitoring apparatus and battery module having same |
-
2015
- 2015-11-27 CN CN201520969515.2U patent/CN205192650U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021103826A1 (en) * | 2019-11-25 | 2021-06-03 | 宁德时代新能源科技股份有限公司 | Battery module, battery pack, and vehicle |
| WO2022006801A1 (en) * | 2020-07-09 | 2022-01-13 | 威睿电动汽车技术(宁波)有限公司 | Temperature monitoring apparatus and battery module having same |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |