CN110350263A - Temperature measuring structure of battery pack - Google Patents
Temperature measuring structure of battery pack Download PDFInfo
- Publication number
- CN110350263A CN110350263A CN201910258903.2A CN201910258903A CN110350263A CN 110350263 A CN110350263 A CN 110350263A CN 201910258903 A CN201910258903 A CN 201910258903A CN 110350263 A CN110350263 A CN 110350263A
- Authority
- CN
- China
- Prior art keywords
- busbar
- thermometric
- battery pack
- fixture
- temperature detection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 36
- 229920001971 elastomer Polymers 0.000 claims description 36
- 239000000806 elastomer Substances 0.000 claims description 36
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 5
- 238000009529 body temperature measurement Methods 0.000 abstract 1
- 239000000523 sample Substances 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 42
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 239000011796 hollow space material Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 210000000078 claw Anatomy 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000001815 facial effect Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000012458 free base Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
- G01K1/146—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations arrangements for moving thermometers to or from a measuring position
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
-
- 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
Landscapes
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Battery Mounting, Suspending (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Secondary Cells (AREA)
Abstract
The invention provides a temperature measuring structure of a battery pack, which can restrain external force acting on a bus bar to the minimum degree and stably install a temperature detecting component. The temperature measurement structure (1) comprises: a plate-shaped cover (9) which is positioned with a predetermined interval with respect to the bus bar (4) by being attached to the laminated body case; and a jig (20) attached to the plate-like cover (9), wherein the thermistor main body (6) is pressed against the bus bar (4) by an elastic body (45) through a probe case (41) of the jig (20).
Description
Technical field
The present invention relates to a kind of thermometric constructions for being equipped on the battery pack such as automobile.
Background technique
In the past, the battery pack for being equipped on automobile etc. has the monocell laminated body for being laminated with multiple monocells, installs useful
In the sensor for the temperature for measuring the monocell laminated body.The method for installing sensor is diversified.For example, following patents
Sensor is pressed against the busbar (Japanese: バ ス バ) that monocell is electrically connected to each other by fixture described in document 1.The fixture exists
Sensor is covered in the state of contacting sensor with busbar, and is directly mounted to busbar.In addition, following patent texts
Construction described in offering 2 is formed with engaging portion in sensor, which is installed on the component of covering monocell.Sensor is directly pressed
It is against monocell.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2016-183906 bulletin
Patent document 2: No. 5360951 bulletins of Japanese Patent No.
Summary of the invention
Subject to be solved by the invention
According to patent document 1, as described above, busbar is pressed against sensor using fixture, in addition fixture is installed on
Busbar, thus the pushing force that may be generated because being pressed against sensor of busbar with clipped by fixture and the pushing force that generates plus
It deforms again.Although the deformation of busbar can be prevented by increasing the thickness of busbar, correspondingly make the weight of busbar
Amount increases, and in addition fee of material also increases.
On the other hand, according to patent document 2, as described above, be sensor by directly against in the structure of monocell, so
Sensor can not be stably installed relative to slim monocell.
The present invention is in view of such actual situation to propose.I.e., and it is an object of the present invention to provide one kind can will act on remittance
The external force of stream item is suppressed to minimum and is stably installed the thermometric construction of the battery pack of temperature detection part.
Solution for solving the problem
In order to reach the purpose, the thermometric construction of battery pack of the invention contacts temperature detection part with busbar,
The multiple monocells for constituting monocell laminated body are electrically connected to each other by above-mentioned busbar, which is characterized in that the survey of above-mentioned battery pack
Temperature construction includes: tabular component, be spaced apart and being installed on above-mentioned monocell laminated body relative to above-mentioned busbar as defined in
Compartment of terrain is positioned；And elastomer, be set to above-mentioned tabular component, and contact with above-mentioned temperature detection part and by the temperature
Degree detection part is pushed on above-mentioned busbar.
Battery pack of the invention thermometric construction be characterized in that, above-mentioned tabular component includes: plate-like cover, from relative to
Above-mentioned busbar that side opposite with above-mentioned monocell laminated body covers above-mentioned busbar；And fixture, with above-mentioned elasticity
Body, and it is installed on above-mentioned plate-like cover.
The thermometric construction of battery pack of the invention is characterized in that, above-mentioned plate-like cover is provided with table back (Japanese: in table)
The through-hole of perforation, above-mentioned fixture have holding section with above-mentioned through-hole peripheral snap, from relative to above-mentioned tabular component with it is above-mentioned
Above-mentioned through-hole is inserted into that opposite side of busbar, and above-mentioned holding section and above-mentioned through-hole peripheral snap and be installed on plate-like cover.
The thermometric construction of battery pack of the invention is characterized in that, above-mentioned temperature detection part is along close to or away from above-mentioned remittance
The direction of stream item is rotatably installed on above-mentioned fixture, above-mentioned elastomer be installed on above-mentioned fixture and to above-mentioned temperature detecting part
Part applies pushing force.
The thermometric construction of battery pack of the invention is characterized in that above-mentioned temperature detection part has short side and long side
Approximately cuboid shape, being set as the face containing above-mentioned long side becomes the contact surface contacted with above-mentioned busbar.
The thermometric construction of battery pack of the invention is characterized in that above-mentioned busbar is by welding the end with above-mentioned monocell
Son is connected, the location contacts in addition to the position for being welded in above-mentioned terminal of above-mentioned temperature detection part and above-mentioned busbar.
The thermometric construction of battery pack of the invention is characterized in that the generating element of above-mentioned monocell is accommodated in by laminated film
The inside of the bag-shaped exterior body formed.
Invention effect
The thermometric construction of battery pack of the invention includes: tabular component, opposite and being installed on monocell laminated body
Compartment of terrain as defined in being spaced apart in busbar is positioned；And elastomer, it is set to tabular component, and connect with temperature detection part
It touches and the temperature detection part is pushed on busbar.That is, temperature detection part utilizes the plate for being installed on monocell laminated body
Component is pressed against busbar via elastomer.Using the structure, only because being pressed against temperature detection using the elastic force of elastomer
Component and the pushing force generated acts on busbar, reaction force acts on monocell laminated body via tabular component.Thus, energy
The external force that will act on busbar is suppressed to minimum.Therefore, the thinner thickness that can make busbar inhibits the weight of busbar
Amount, fee of material.In addition, temperature detection part is the structure contacted with busbar, so temperature detecting part can be stably installed
Part.
In the thermometric construction of battery pack of the invention, tabular component includes: plate-like cover, from relative to busbar and list
That opposite side of stacked battery covers busbar；And fixture, with elastomer, and it is installed on plate-like cover.Thus, energy
Enough simplify the structure of tabular component.
Battery pack of the invention thermometric construction in, plate-like cover be provided with table back perforation through-hole, fixture have with
The holding section of through-hole peripheral snap, from that side insertion through-hole opposite with busbar relative to tabular component, and holding section and
Through-hole peripheral snap and be installed on plate-like cover.Using the structure, in the state that busbar is covered by tabular component, can pass through
Through-hole recognizes busbar, so operator can pry through through-hole and fixture is installed on tabular component.It therefore, can be in the peace of fixture
Pretend the short circuit etc. that busbar is prevented in industry.In addition, in the state that busbar is covered by tabular component, temperature detection part with
Fixture is loaded and unloaded relative to tabular component together, so can be easily assembled and disassembled, in addition, being capable of easily putting maintenance into practice.
In the thermometric construction of battery pack of the invention, temperature detection part is swung along the direction close to or away from busbar
It is installed on fixture freely, elastomer is mounted to fixture and applies the structure of pushing force to temperature detection part.Using the knot
Structure can suitably be pressed against temperature detection part relative to busbar according to the interval of busbar and tabular component.That is, converging
In the case that the interval of stream item and tabular component is either wider or relatively narrow, can neatly it be coped with using elastomer.
In the thermometric construction of battery pack of the invention, temperature detection part is the approximately cuboid with short side and long side
Shape, being set as the face containing long side becomes the contact surface contacted with busbar.That is, the biggish face of the area of temperature detection part
It is contacted with busbar, so temperature can be accurately measured with stable state.
In the thermometric construction of battery pack of the invention, busbar is connected by welding with the terminal of monocell, temperature
The location contacts in addition to the position for being welded in terminal of detection part and busbar.That is, temperature detection part with except being welded in
Broad location contacts other than the position of terminal, so the contact area of temperature detection part and busbar is big.It thus, can be with
Stable state accurately measures temperature.
Battery pack of the invention thermometric construction in, the generating element of monocell be accommodated in formed by laminated film it is bag-shaped
The inside of exterior body.That is, even if in the case where the mutual gap of monocell is relatively narrow, the feelings that the exterior body of monocell is not rigid
Under condition, temperature also can be reliably measured.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the thermometric construction of the battery pack of embodiments of the present invention.
Fig. 2 indicates the appearance for the fixture being used in the thermometric construction of the battery pack of embodiments of the present invention, and (a) is from table
The front elevation of side observation is (b) rearview from the rear of side surface, is (c) side view from side, be (d) from
The main view of side surface forward observation (e) is back view from back side.
Fig. 3 indicates the section for the fixture being used in the thermometric construction of the battery pack of embodiments of the present invention, is Fig. 2
(a) the A-A cutaway view Amplified image in.
Fig. 4 indicates the section for the fixture being used in the thermometric construction of the battery pack of embodiments of the present invention, is Fig. 2
(c) the B-B cutaway view Amplified image in.
Fig. 5 is used in the cross-sectional view of the variation of the fixture in the thermometric construction of the battery pack of embodiments of the present invention.
Specific embodiment
Hereinafter, the thermometric for the battery pack that embodiments of the present invention will be described based on the drawings constructs (hereinafter, by the survey of battery pack
Temperature construction is denoted as " thermometric construction ").Fig. 1 shows the section of thermometric construction 1, Fig. 2, Fig. 3 and Fig. 4 indicate to be used in thermometric construction 1
In fixture.In addition, in the following description, as shown in Figure 1, becoming upside in the terminal (illustration omitted) with monocell 3
In the state that monocell laminated body 2 is placed in plane by mode, table back front and back is defined.
As shown in Figure 1, thermometric construction 1 contacts temperature detection part 5 with busbar 4, which will constitute monocell
Multiple monocells 3 of laminated body 2 are electrically connected to each other.Monocell 3 is, for example, nickel-hydrogen secondary cell, lithium ion secondary battery and organic
Free base battery etc..Monocell 3 has electrode laminated body and electrolyte as generating element (illustration omitted), electrode stacking
Body clips diaphragm by anode and cathode and is laminated, and positive terminal and negative terminal are connected with each electrode.Each terminal exposure
In the outside of the exterior body as shell.For monocell 3 other than square and cartridge type etc., there are also generating element is accommodated in lamination
The laminated-type etc. of the inside of film.Monocell 3 is installed on stacking body shell (illustration omitted), from the positive terminal and phase of exterior body exposure
The negative terminal of adjacent another monocell 3 is connected in series via busbar 4.Busbar 4 be it is metal lamellar, be installed on
Body shell is laminated.Each terminal of busbar 4 and monocell 3 is connected by welding.Alternatively, it is also possible to being formed in busbar 4
Each terminal is inserted into Kong Bingyong nut fastening, thus the structure for connecting busbar with each terminal by hole.
Temperature detection part 5 is to be connected such as thermistor by thermistor body 6 and with the thermistor body 6
The electric wiring 7 connect is constituted.Thermistor body 6 is the approximately cuboid with short side and long side.
Thermometric construction 1 includes the tabular component 8 for being installed on the stacking body shell of monocell laminated body 2.Tabular component 8 passes through peace
It is spaced apart defined compartment of terrain relative to busbar 4 loaded on stacking body shell to be positioned.Tabular component 8 includes plate-like cover 9 and fixture
20, above-mentioned plate-like cover 9 covers busbar 4 from that side opposite with monocell laminated body 2 relative to busbar 4, that is, table side, above-mentioned
Fixture 20 is installed on the plate-like cover 9.Specifically, plate-like cover 9 is formed with the single or multiple through-hole 10 of table back perforation, fixture
20 pass through the through-hole 10.
Here, it is based on Detailed description of the invention fixture 20.Fig. 2, Fig. 3 and Fig. 4 indicate the outer of the fixture 20 being used in thermometric construction 1
Sight and section.Fig. 5 indicates the section of the variation of fixture 20.
As shown in Figure 2 to 4, fixture 20 has flat surface element 21, is connected with the back side of the surface element 21
Hollow main part 29 and the electric wiring maintaining part 26 being connected with the rear end of surface element 21, including relative to main part 29
The detector shell 41 of shifting and the elastomer 45 for applying pushing force to the detector shell 41.
Surface element 21 is generally rectangular tabular, has the flange part 22 stretched out than main part 29 towards outside.Table
Face 21 is formed with multiple holes of table back perforation.The first hole of rear portion 24 that hole is the longer long hole 23 in front and back, by rear portion is formed
And the second hole of rear portion 25.Electric wiring maintaining part 26 by covering temperature detection part 5 electric wiring 7 protection portion 28 and use
It is constituted in the clamping part 27 for the C-shaped for clipping electric wiring 7.Protection portion 28 is tabular, is extended from surface element 21 towards rear.
The rear end of protection portion 28 is formed with clamping part 27.
Main part 29 have an opposed facing contralateral surface i.e. the first side surface portion 30 and the second side surface portion 31, with
It front surface part 32 that the front end of each side surface portion 30,31 is connected and is formed in each facial 30,31,32 elastomer of inside and protects
Hold portion 33.The rear side and back side opening of the hollow space 35 formed by each facial 30,31,32 encirclements.Each side surface portion 30,
31 are formed with locking piece 36 in lower end.Locking piece 36 is stretched out towards inside.Each facial 30,31,32 are formed with rib 37,38,39.Rib
37,38,39 the holding section 40 protruded outward is formed.Specifically, a part of quilt by rear portion of each side surface portion 30,31
It cuts away, forms a pair of rib i.e. first and load and unload rib 37 and the second handling rib 38.Each handling rib 37,38 and each side surface portion 30,
31 connect in the same plane, prominent to table side by each hole 24,25 in the rear portion of surface element 21.A part of quilt of front surface part 32
It cuts away, forms third and load and unload rib 39.Third handling rib 39 is connect in the same plane with front surface part 32, by surface element 21
Long hole 23 is prominent to table side.Elastomer maintaining part 33 has claw 34, which is configured at the long hole 23 of surface element 21.
Elastomer 45 is such as leaf spring, and side view is viewed as substantially U-shaped.Elastomer 45, which has, is installed on main part 29
The maintained portion 46 of claw 34 and the pressing portion 47 for being connected with the maintained portion 46 and being faced with maintained portion 46.Elastomer 45
Preferably made of metal, but as long as being the raw material of flexible deformation, such as or resin etc..
Detector shell 41 is made of resin, and is the box-shaped of approximately cuboid.The inside of detector shell 41 is formed with accommodating space
42.The rear openings of detector shell 41 and communicated with accommodating space 42.The back side of detector shell 41 be open and with accommodating space 42
It communicates, and is covered by metal plate 43.Detector shell 41 has the locking flange 44 stretched out from table side end towards side.This is locking
Flange 44 is configured at the hollow space 35 of main part 29 and engaging in locking piece 36.In this state, 45 direction of elastomer is utilized
Back side pushes detector shell 41.From back side push detector shell 41 when, 45 flexible deformation of elastomer, detector shell 41 relative to
Main part 29 is swung freely.In addition, the material of detector shell 41 is not limited to resin system, such as or made of metal etc.,
But it when considering the molding freedom degree of detector shell 41, is preferably made of resin as present embodiment.
As shown in figure 5, detector shell 41 can also be such that back side closes without metal plate 43.
Fixture 20 is formed as described above.Next, illustrating the assembling steps of thermometric construction 1.
In Fig. 1, the through-hole 10 of plate-like cover 9 configures the position in busbar 4 in addition to the position welded with each terminal.
Thermistor body 6 is housed in the accommodating space 42 of detector shell 41.Detector shell 41 is installed on fixture 20 from rear.This
When, thermistor body 6 is matched with facing in such a way that the back side containing long side becomes the contact surface with busbar 4 with busbar 4
It sets.Electric wiring 7 is routed from the rear of fixture 20 to electric wiring maintaining part 26, and clamped portion 27 clips.
Fixture 20 in the state of temperature detection part 5 is installed from that side opposite with busbar 4 relative to plate-like cover 9
I.e. table side is inserted into through-hole 10.At that time, each handling rib 37,38,39 of fixture 20 is being incited somebody to action towards 35 flexible deformation of hollow space
When fixture 20 is installed on plate-like cover 9, each rib 37,38,39 that loads and unloads returns to original position, and holding section 40 because of elastic force
With the peripheral snap of through-hole 10.Meanwhile detector shell 41 is contacted with busbar 4 and is pushed from busbar 4, and elastomer 45
Flexible deformation and by detector shell 41 configuration in hollow space 35.That is, using elastomer 45 by thermistor body 6 across spy
It surveys device shell 41 and is pressed against busbar 4.The position for being pressed against thermistor body 6 is busbar 4 except the position welded with each terminal
Position in addition.In addition, the position that thermistor body 6 is pressed against in busbar 4 is also possible to the position welded with each terminal, but
It is preferably to remove and each terminal soldering as present embodiment when considering contacts thermistor body 6 and busbar 4 reliably
Position other than the position connect.
In the case where unloading fixture 20 from plate-like cover 9, pinch each handling rib 37,38,39 of fixture 20 as operator and
When tilting each handling rib 37,38,39 inwardly, holding section 40 is detached from from the periphery of through-hole 10, extracts fixture 20 from through-hole 10.
Thermometric construction 1 is constituted as described.Next, illustrating the effect of thermometric construction 1.
In thermometric construction 1, fixture 20 is installed in plate-like cover 9, which is spaced apart defined relative to busbar 4
Compartment of terrain is installed on the stacking body shell of monocell laminated body 2.Fixture 20 includes temperature detection part 5 via elastomer 45.That is, warm
Degree detection part 5 is pressed against confluence by elastomer 45 using the plate-like cover 9 for the stacking body shell for being installed on monocell laminated body 2
Item 4.Using the structure, the pushing force only generated due to being pressed against thermistor body 6 using the elastic force of elastomer 45 is acted on
In busbar 4, reaction force acts on the stacking body shell of monocell laminated body 2 via plate-like cover 9.Thus, remittance can be will act on
The external force of stream item 4 is suppressed to minimum.Therefore, the thinner thickness of busbar 4 can be made, inhibit weight, the material of busbar 4
Take.In addition, thermistor body 6 is the structure contacted with busbar 4, so thermistor body 6 can be stably installed.
Thermometric construction 1 is assembled using plate-like cover 9 and the fixture 20 for being equipped with elastomer 45.Therefore, simplicity can be utilized
Structure realizes thermometric construction 1.
Thermometric construction 1 in, plate-like cover 9 be formed with table back perforation through-hole 10, the through-hole 10 configuration with 4 face of busbar
Pair position.Fixture 20 is inserted into the through-hole 10, is pressed against thermistor body 6 across detector shell 41 using elastomer 45
Busbar 4.Using the structure, in the state that busbar 4 is covered by plate-like cover 9, busbar 4, operation are recognized by through-hole 10
Person can pry through through-hole 10 and fixture 20 is installed on plate-like cover 9.Therefore, busbar can be prevented in the installation exercise of fixture 20
4 short circuit etc..In addition, due in the state that busbar 4 is covered by plate-like cover 9, temperature detection part 5 and fixture 20 together phase
Plate-like cover 9 is loaded and unloaded, so can be easily assembled and disassembled, additionally is able to easily putting maintenance into practice.
Using thermometric construction 1, the configuration of through-hole 10 is in the position in addition to the position welded with each terminal of busbar 4, benefit
Thermistor body 6 is pressed against the position across detector shell 41 with elastomer 45.That is, thermistor body 6 with except welding
Broad location contacts other than the position of terminal, so thermistor body 6 and the contact area of busbar 4 are big.Thus,
Temperature can be accurately measured with stable state.
Using thermometric construction 1, detector shell 41 is pushed by elastomer 45 towards back side in the state of being installed on fixture 20.
When pushing detector shell 41 from back side, 45 flexible deformation of elastomer, detector shell 41 is swung freely relative to main part 29.
That is, detector shell 41 is swung freely along close to the direction of busbar 4 or separate busbar 4.It, can be according to confluence using the structure
Thermistor body 6 is suitably pressed against relative to busbar 4 in the interval of item 4 and plate-like cover 9.That is, in busbar 4 and plate-like cover 9
Interval it is either wider or relatively narrow in the case where, can neatly be coped with using elastomer 45.
In thermometric construction 1, thermistor body 6 becomes the side with the contact surface of busbar 4 with the back side containing long side
Thermistor body 6 is pressed against busbar 4 across detector shell 41 using elastomer 45 in face of ground configuration by formula and busbar 4.
That is, the biggish face of area is contacted with busbar 4 in thermistor body 6, so temperature can be accurately measured at steady-state
Degree.
It is single even generating element to be accommodated in the monocell 3 of the laminated-type of the inside of laminated film in thermometric construction 1
Battery 3 is also installed on stacking body shell as monocell laminated body 2.That is, even not rigid laminated-type, also can reliably survey
Amount temperature.
In addition, there is no detector shell, elastomer is direct in other first embodiments (illustration omitted) of the invention
It is contacted with thermistor body, thermistor body is pressed against busbar using elastomer.In addition, in others of the invention
In second embodiment (illustration omitted), without fixture, elastomer is directly mounted at tabular component.Such other each implementations
Mode, which is also obtained, constructs 1 identical effect with the thermometric.
More than, embodiments of the present invention are described in detail, but the present invention is not limited to the embodiments.Also,
The present invention is able to carry out various design alterations without departing from item described in claims.
Description of symbols
1, thermometric construction (thermometric of battery pack constructs)；2, monocell laminated body；3, monocell；4, busbar；5, temperature-sensitive
Resistance (temperature detection part)；6, thermistor body；7, electric wiring；8, tabular component；9, plate-like cover；10, through-hole；20,
Fixture；21, surface element；22, flange part；23, long hole；24, the first hole of rear portion；25, the second hole of rear portion；26, electric wiring is kept
Portion；27, clamping part；28, protection portion；29, main part；30, the first side surface portion；31, the second side surface portion；32, front surface part；
33, elastomer maintaining part；34, claw；35, hollow space；36, locking piece；37, the first handling rib；38, the second handling rib；39,
Third loads and unloads rib；40, holding section；41, detector shell；42, accommodating space；43, metal plate；44, locking flange；45, elastomer；
46, maintained portion；47, pressing portion.
Claims (7)
1. a kind of thermometric of battery pack constructs, contact temperature detection part with busbar, the busbar will constitute monocell
Multiple monocells of laminated body are electrically connected to each other, which is characterized in that
The thermometric of the battery pack constructs
Tabular component, and being installed on the monocell laminated body relative to the busbar be spaced apart as defined in compartment of terrain quilt
Positioning；And
Elastomer is set to the tabular component, and contacts with the temperature detection part and push away the temperature detection part
It is pressed on the busbar.
2. the thermometric of battery pack according to claim 1 constructs, which is characterized in that
The tabular component includes:
Plate-like cover covers the busbar from that side opposite with the monocell laminated body relative to the busbar；With
And
Fixture with the elastomer, and is installed on the plate-like cover.
3. the thermometric of battery pack according to claim 2 constructs, which is characterized in that
The plate-like cover is provided with the through-hole of table back perforation,
The fixture has the holding section with the peripheral snap of the through-hole, from relative to the tabular component and the busbar
The through-hole is inserted into opposite that side, and the peripheral snap of the holding section and the through-hole and be installed on plate-like cover.
4. the thermometric of battery pack according to claim 2 or 3 constructs, which is characterized in that
The temperature detection part edge is rotatably installed on the fixture close to or away from the direction of the busbar,
The elastomer is installed on the fixture and applies pushing force to the temperature detection part.
5. the thermometric of battery pack according to any one of claim 1 to 4 constructs, which is characterized in that
The temperature detection part is the approximately cuboid shape with short side and long side, be set as the face containing the long side at
For the contact surface contacted with the busbar.
6. the thermometric of battery pack according to any one of claim 1 to 5 constructs, which is characterized in that
The busbar is connected by welding with the terminal of the monocell,
The location contacts in addition to the position for being welded in the terminal of the temperature detection part and the busbar.
7. the thermometric of battery pack according to any one of claim 1 to 6 constructs, which is characterized in that
The generating element of the monocell is accommodated in the inside of the bag-shaped exterior body formed by laminated film.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018072292A JP7109966B2 (en) | 2018-04-04 | 2018-04-04 | Assembled battery temperature measurement structure |
| JP2018-072292 | 2018-04-04 |
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| Publication Number | Publication Date |
|---|---|
| CN110350263A true CN110350263A (en) | 2019-10-18 |
| CN110350263B CN110350263B (en) | 2022-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910258903.2A Active CN110350263B (en) | 2018-04-04 | 2019-04-02 | Temperature measuring structure of battery pack |
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| JP (1) | JP7109966B2 (en) |
| CN (1) | CN110350263B (en) |
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| CN115014549B (en) * | 2022-06-29 | 2024-06-28 | 镇江易拓电气有限公司 | Wireless monitoring system of slip-on bus duct based on hybrid networking |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008298662A (en) * | 2007-06-01 | 2008-12-11 | Yazaki Corp | Attaching structure of temperature sensor |
| CN101925807A (en) * | 2008-01-25 | 2010-12-22 | 矢崎总业株式会社 | Module unit |
| JP2016018634A (en) * | 2014-07-07 | 2016-02-01 | 株式会社東芝 | Battery module |
| CN105321637A (en) * | 2014-07-29 | 2016-02-10 | 福特全球技术公司 | Thermistor assembly including elastomeric body |
| JP2016186045A (en) * | 2015-03-27 | 2016-10-27 | 日本ポリエチレン株式会社 | Polyethylene for thin-wall injection molding, and molded article using the same |
| JP2018045858A (en) * | 2016-09-14 | 2018-03-22 | 株式会社豊田自動織機 | Battery module |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4528612B2 (en) * | 2004-12-27 | 2010-08-18 | 矢崎総業株式会社 | Thermistor thermometer mounting structure |
| JP2016212948A (en) * | 2015-04-28 | 2016-12-15 | 株式会社デンソー | Battery unit |
-
2018
- 2018-04-04 JP JP2018072292A patent/JP7109966B2/en active Active
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2019
- 2019-04-02 CN CN201910258903.2A patent/CN110350263B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008298662A (en) * | 2007-06-01 | 2008-12-11 | Yazaki Corp | Attaching structure of temperature sensor |
| CN101925807A (en) * | 2008-01-25 | 2010-12-22 | 矢崎总业株式会社 | Module unit |
| JP2016018634A (en) * | 2014-07-07 | 2016-02-01 | 株式会社東芝 | Battery module |
| CN105321637A (en) * | 2014-07-29 | 2016-02-10 | 福特全球技术公司 | Thermistor assembly including elastomeric body |
| JP2016186045A (en) * | 2015-03-27 | 2016-10-27 | 日本ポリエチレン株式会社 | Polyethylene for thin-wall injection molding, and molded article using the same |
| JP2018045858A (en) * | 2016-09-14 | 2018-03-22 | 株式会社豊田自動織機 | Battery module |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2019185914A (en) | 2019-10-24 |
| JP7109966B2 (en) | 2022-08-01 |
| CN110350263B (en) | 2022-07-22 |
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