CN209513075U - Flexible thin film sensor and detection device - Google Patents
Flexible thin film sensor and detection device Download PDFInfo
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- CN209513075U CN209513075U CN201920056338.7U CN201920056338U CN209513075U CN 209513075 U CN209513075 U CN 209513075U CN 201920056338 U CN201920056338 U CN 201920056338U CN 209513075 U CN209513075 U CN 209513075U
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- terminal
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- circuit board
- thin film
- flexible circuit
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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 application provides a kind of flexible thin film sensor and detection device.The flexible thin film sensor includes flexible circuit board, temperature sense terminal and current potential induction terminal.Detection circuit is separated by lithographic technique on the flexible circuit board.The temperature sense terminal and current potential induction terminal are fixedly installed on the different location on the flexible circuit board.Since the detection circuit is integrated on the flexible circuit board, conducting wire connection is not needed in measurement process, therefore solve the problems, such as that testee caused by excessive conducting wire is not easy to encapsulate.In addition, the flexible circuit board is thin plate, is easily fixed inside the testee, solve the problems, such as that measurement point is not fixed easily because size is smaller.
Description
Technical field
This application involves power source technical fields, more particularly to flexible thin film sensor and detection device.
Background technique
In many fields, some objects with airtightness require measurement inner parameter.Inner parameter often characterizes
The operating status of system, with safety and service life the problems such as, are closely bound up, thus in many occasions in be one very important
Parameter.
In order to detect the intracorporal physical message parameter of object with airtightness, traditional scheme is arranged in the inside of object
Microsensor.Since the size of microsensor becomes smaller, in not being fixed easily for interior of articles, single-point displacement phenomenon Shi Youfa
It is raw.
Utility model content
Based on this, it is necessary to sensor aiming at the problem that interior of articles is not fixed easily, provide a kind of fexible film sensing
Device and detection device.
A kind of flexible thin film sensor, comprising:
Flexible circuit board is integrated with detection circuit；
Temperature sense terminal is fixedly installed on the flexible circuit board, for detecting object surface temperature value；
Current potential incudes terminal, the flexible circuit board is fixedly installed on, for detecting testee potential value.
The flexible circuit board has the first detection faces and the second detection faces in one of the embodiments,；
The temperature sense terminal is set to first detection faces；
The current potential induction terminal is set to second detection faces.
The quantity of the temperature sense terminal is set as at least one in one of the embodiments, the current potential induction
The quantity of terminal is set as at least one.
The quantity of the temperature sense terminal is set as five in one of the embodiments, and the flexible circuit board is
Rectangular circuit board；
Four temperature sense terminals in five temperature sense terminals are set to first detection correspondingly
On four angles in face, the 5th temperature sense terminal in the multiple temperature sense terminal is set to first detection
The center in face.
The flexible circuit board is rectangular circuit board in one of the embodiments,；
The current potential induction end attached bag includes the first current potential induction terminal, the second current potential induction terminal, third current potential induction end
Son, the 4th current potential induction terminal, the 5th current potential induction terminal, the 6th current potential induction terminal, the 7th current potential induction terminal, the 8th electricity
Position induction terminal, the 9th current potential induction terminal and the tenth current potential incude terminal；
The first current potential induction terminal, second current potential incudes terminal, the third current potential incudes terminal and described
4th current potential induction terminal is set to correspondingly on four angles of second detection faces；
The 5th current potential induction terminal, the 6th current potential incudes terminal, the 7th current potential incudes terminal and described
8th current potential induction terminal is set to the midpoint of the four edges of second detection faces correspondingly；
The 9th current potential induction terminal is set to the center of second detection faces；The tenth current potential induction end
Son is set to the quartering point position of a line in the four edges of second detection faces.
The temperature sense terminal is encapsulated using transistor in one of the embodiments,.
The flexible circuit board has the encapsulated layer of electrical isolation in one of the embodiments,.
The material of the encapsulated layer of the electrical isolation is polyester, polyurethane, polyester-imide or contracting in one of the embodiments,
Aldehyde.
The flexible circuit board in one of the embodiments, further include:
Data-interface, for exporting the temperature value and potential value of the detection circuit measurement.
A kind of detection device, including the flexible thin film sensor as described in any one of above-described embodiment.
The application provides a kind of flexible thin film sensor and detection device.The flexible thin film sensor includes flexible circuit
Plate, temperature sense terminal and current potential incude terminal.Detection circuit is separated by lithographic technique on the flexible circuit board.It is described
Temperature sense terminal and current potential induction terminal are fixedly installed on the different location on the flexible circuit board.Due to the inspection
Slowdown monitoring circuit is integrated on the flexible circuit board, conducting wire connection is not needed in measurement process, therefore solve excessive conducting wire
Caused testee is not easy the problem of encapsulating.In addition, the flexible circuit board is thin plate, hold inside the testee
It is fixed easily, solves the problems, such as that measurement point is not fixed easily because size is smaller.
Detailed description of the invention
Fig. 1 is the lithium ion battery structure figure that the application one embodiment provides；
Fig. 2 is the lithium ion battery structure figure that the application one embodiment provides；
Fig. 3 is the lithium ion battery structure figure that the application one embodiment provides；
Fig. 4 is the flexible thin film sensor structure chart that the application one embodiment provides；
Fig. 5 is the flexible thin film sensor structure chart that the application one embodiment provides.
Main element drawing reference numeral explanation
100 lithium ion battery, 222 third current potential incudes terminal
The 4th current potential of 101 first outlet 223 incudes terminal
10 first positive and negative anodes electrodes incude terminal to 224 the 5th current potentials
The 6th current potential of 11 first kind positive plate 225 incudes terminal
The 7th current potential of 111 anode ear 226 incudes terminal
The 8th current potential of 12 first kind negative electrode tab 227 incudes terminal
The 9th current potential of 121 negative electrode lug 228 incudes terminal
The tenth current potential of 13 first diaphragm 229 incudes terminal
14 second diaphragm, 23 data-interface
20 flexible circuit board, 24 detection circuit
201 first detection faces, 30 second positive and negative anodes electrode pair
202 second detection faces, 31 second class positive plate
21 temperature sense terminal, 32 second class negative electrode tab
22 current potentials incude 200 flexible thin film sensor of terminal
220 first current potentials incude 300 detection device of terminal
221 second current potentials incude terminal
Specific embodiment
In order to make the above objects, features, and advantages of the present application more apparent, with reference to the accompanying drawing to the application
Specific embodiment be described in detail.Many details are explained in the following description in order to fully understand this Shen
Please.But the application can be implemented with being much different from other way described herein, those skilled in the art can be not
Similar improvement is done in the case where violating the application intension, therefore the application is not limited by following public specific implementation.
It should be noted that it can directly on the other element when element is referred to as " being set to " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all technical and scientific terms used herein and the technical field for belonging to the application
The normally understood meaning of technical staff is identical.The term used in the description of the present application is intended merely to description tool herein
The purpose of the embodiment of body, it is not intended that in limitation the application.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
Referring to Figure 1, the application one embodiment provides a kind of lithium ion battery 100.The lithium ion battery 100 wraps
The first positive and negative anodes electrode is included to 10.The first positive and negative anodes electrode to 10 include first kind positive plate 11, first kind negative electrode tab 12,
First diaphragm 13, the second diaphragm 14 and flexible circuit board 20.
First diaphragm 13 and second diaphragm 14 are set to the first kind positive plate 11 and the first kind is negative
Between pole piece 12.The flexible circuit board 20 is set between first diaphragm 13 and second diaphragm 14.The flexibility
Detection circuit 24 is integrated on circuit board 20, for detecting temperature and current potential in the lithium ion battery 100.
The preparation method of the first kind positive plate 11 include by positive active material, positive solvent, positive bonding agent with
And positive conductive agent is put into blender and is stirred, and anode sizing agent first product is made.The anode sizing agent first product drying, roller
Suppress to obtain the first kind positive plate 11.The first kind positive plate 11 is electrically connected with anode ear 111.The first kind negative electrode tab
12 preparation method include negative electrode active material, cathode solvent, cathode bonding agent and cathode conductive agent are put into blender into
Row stirring, is made negative electrode slurry first product.The negative electrode slurry first product drying, roll pressing obtain the first kind negative electrode tab
12.The first kind negative electrode tab 12 is electrically connected with negative electrode lug 121.First diaphragm 13 and second diaphragm 14 are macromolecule
Film has microcellular structure.Lithium ion can be by the microcellular structure, but electronics cannot pass through the microcellular structure.
The flexible circuit board 20 with a thickness of 0.03mm-0.1mm, as one embodiment, the flexible circuit board 20
With a thickness of 0.05mm.The flexible circuit board 20 is etched the detection circuit 24 on fexible film by thin film technique
It is made.The substrate of the fexible film is polyester, polyurethane, polyester-imide or acetal.The upper of the flexible circuit board 20 is led
Electric material is copper foil.After the etched technique of conductive material separates the detection circuit 24, on the flexible circuit board 20
Encapsulate one layer of protective coating.The detection circuit 24 is packaged in the protective coating.The material of the protective coating is poly-
Ester imines or polyester film.The flexible circuit board 20 is added during the lamination of the lithium ion battery 100.The flexibility
The shape of circuit board 20 is identical as the shape of 100 pole plate of lithium ion battery, and the area design of the flexible circuit board 20 is
The area of slightly smaller than described 100 pole plate of lithium ion battery.Measurement point can more easily be laid.The flexible circuit board 20 adds
Enter other steps in the manufacturing process to the lithium ion battery 100 not have an impact.
In the present embodiment, the flexible circuit board 20 is set in 100 lamination of lithium ion battery or winding process, by
It is integrated on the flexible circuit board 20 in the detection circuit 24, conducting wire connection is not needed in measurement process, therefore solve
The lithium ion battery 100 caused by excessive conducting wire is not easy the problem of encapsulating.In addition, the flexible circuit board 20 is described
First positive and negative anodes electrode solves the problems, such as that measurement point is not fixed easily because size is smaller to easily fixing inside 10.
In one embodiment, the lithium ion battery 100 includes multiple first positive and negative anodes electrodes to 10.The multiple
One positive and negative anodes electrode to the consistent of 10 structures, no longer goes to live in the household of one's in-laws on getting married to the first positive and negative anodes electrode in 10 structure and above-described embodiment herein
It states.Multiple first positive and negative anodes electrodes are arranged in the lithium ion battery 100, and to can detecte each described first to 10 positive and negative
Pole electrode is to the temperature and current potential in 10.
Fig. 2 and Fig. 3 are referred to, in one embodiment, the lithium ion battery 100 includes first positive and negative anodes
Electrode is to 10 and multiple second positive and negative anodes electrodes to 30.The first positive and negative anodes electrode can be with above-mentioned reality to 10 characteristic Design
Apply in example that the first positive and negative anodes electrode is to the consistent of 10 characteristic Designs, details are not described herein again.
Each second positive and negative anodes electrode includes multiple second class positive plates 31, multiple second class negative electrode tab, 32 and to 30
Third diaphragm 33.The second class positive plate 31 and 11 making material of first kind positive plate and method described in above-described embodiment
Unanimously.12 making material of first kind negative electrode tab described in described second class negative electrode tab, 32 above-described embodiment and method are consistent.It is described
The making material of third diaphragm 33, first diaphragm 13 and second diaphragm 14 is the same.Details are not described herein again.
The multiple second class positive plate 31 and the setting of multiple second class negative electrode tabs 32 interval.Each third diaphragm 33 is arranged
Between a second class positive plate 31 and a second class negative electrode tab 32.When not needing to detect temperature or electricity between every piece of pole plate
When position, a first positive and negative anodes electrode is arranged to 10 and multiple second battery modules 30 in the lithium ion battery 100.It is such to set
The quantity due to reducing the flexible circuit board 20 is counted, that is, saves cost of manufacture, also reduces encapsulation difficulty.
Fig. 4 and Fig. 5 are referred to, in one embodiment, the application provides a kind of flexible thin film sensor 200.It is described soft
Property thin film sensor 200 include that flexible circuit board 20, temperature sense terminal 21 and current potential incude terminal 22.The flexible circuit
Plate 20 has the first detection faces 201 and the second detection faces 202.The temperature sense terminal 21 is set to first detection faces
201, for detecting the internal temperature of the first mould group 10.The current potential induction terminal 22 is set to second detection faces
202, for detecting the current potential of the first mould group 10.
Specifically, the flexible circuit board 20 is double-layer structure.The flexible circuit board 20 wherein one layer be set as
One detection faces 201.Another layer of the flexible circuit board 20 is set as the second detection faces 202.As one embodiment, described
One detection faces 201 are arranged towards first diaphragm 13.I.e. described first diaphragm 13 is set to first detection faces 201 and institute
It states between positive plate 11.Second detection faces 202 are intended for second diaphragm 14 and are arranged.I.e. described second diaphragm 14 is set
It is placed between second detection faces 202 and the negative plate 12.The potential measurement selection of the flexible circuit board 20 is described negative
Pole plate 12 is used as reference potential.Electrolyte contacts in the current potential induction terminal 22 and the lithium ion battery 100, to examine
Measure the current potential induction terminal 22 potential difference between electrolyte current potential average value and the current potential of the negative plate 12 nearby.
The potential difference includes the potential drop that the electrolyte is generated due to ion-transfer, further includes the negative plate 12 to the electrolysis
The potential difference of liquid.As one embodiment, the temperature sense terminal 21 uses digital temperature sensor.The digital temperature
Sensor is encapsulated using the temperature sensitive transistor of miniature dimensions.The temperature measurement of the flexible circuit board 20 utilizes the temperature sensitive crystal
Relational implementation temperature measurement between the C-V characteristic and temperature of the P-N junction of pipe semiconductor material.The digital temperature sensor
Temperature read-out resolution up to 0.0625 DEG C.
In the present embodiment, the temperature sense terminal 21 and current potential induction terminal 22 are respectively arranged at the flexibility
Two different detection faces of circuit board 20 may be implemented to detect the temperature value of same position and the purpose of potential value simultaneously.
In one embodiment, the quantity of the temperature sense terminal 21 is set as at least one, the current potential induction end
The quantity of son 22 is set as at least one.As shown in figure 4, the temperature sense terminal 21 is set as 5 as one embodiment
It is a.The flexible circuit board 20 is rectangular circuit board.Four temperature sense terminals 21 in the multiple temperature sense terminal 21
It is set on four angles of first detection faces 201 correspondingly, the 5th in the multiple temperature sense terminal 21
The temperature sense terminal 21 is set to the center of first detection faces 201.In order to connect the temperature sense terminal
21, temperature measuring section needs two serial time clock line SCL, two serial data line SDA, a ground wire and a power supply line altogether
Six roots of sensation temperature detection route altogether.The six roots of sensation temperature detection route is etched in the flexible circuit board 20 by thin film technique.
As shown in figure 5, the current potential induction terminal 22 is set as 10 as one embodiment.The flexible circuit board
20 be rectangular circuit board.The multiple current potential induction terminal 22 includes the first current potential induction terminal 220, the second current potential induction terminal
221, third current potential induction terminal 222, the 4th current potential induction terminal 223, the 5th current potential induction terminal 224, the induction of the 6th current potential
Terminal 225, the 7th current potential induction terminal 226, the 8th current potential induction terminal 227, the 9th current potential induction terminal 228 and the tenth current potential
Incude terminal 229.The first current potential induction terminal 220, second current potential induction terminal 221, third current potential induction
Terminal 222 and the 4th current potential induction terminal 223 are set to correspondingly on four angles of second detection faces 202.
The 5th current potential induction terminal 224, the 6th current potential incudes terminal 225, the 7th current potential incudes terminal 226 and described
8th current potential induction terminal 227 is set to the midpoint of the four edges of second detection faces 202 correspondingly.Described
Nine current potentials induction terminal 228 is set to the center of second detection faces 202；The tenth current potential induction terminal 229 is set
It is placed in the quartering point position of a line in the four edges of second detection faces 202.When 10 current potential induction end of setting
When son 22, ten potentiometric detection routes are needed altogether.By thin film technique by described ten potentiometric detection route etchings in the flexibility
Circuit board 20.The flexible circuit board 20 further includes data-interface 23.The six roots of sensation temperature detection route and described ten current potentials
Detection route finally collects in the data-interface 23.The lithium ion battery 100 has first outlet 101, and the data connect
Mouth 23 is stretched out from the first outlet 101, the temperature value and potential value measured for exporting the detection circuit 24.
It is understood that the flexible circuit board 20 can also be other shapes.For example, the flexible circuit board 20
Shape is round, ellipse or other irregular shapes.When the shape of the flexible circuit board 20 changes, the temperature sense
The position and quantity of terminal 21 and current potential induction terminal 22 can be adjusted according to actual measurement situation.
In the present embodiment, the temperature sense terminal 21 and current potential induction terminal 22 are uniformly distributed the flexible electrical
In the entire detection faces of road plate 20, it can be very good the internal temperature values of monitoring measured object and the built-in potential value of measured object in sky
Between in whether being consistent property.
A kind of detection device 300 is provided in the application one embodiment.The detection device 300 includes such as above-described embodiment
In flexible thin film sensor 200.The detection device 300 is used to detect the intracorporal physical message ginseng of the object with airtightness
Number.For example, the detection device 300 can be used for detecting the physical parameter in lithium ion battery.The physical message parameter packet
Include temperature value, potential value or pressure value.It, can be with when the detection device 300 is used to detect physical parameter in lithium lithium battery
In the lithium lithium battery production lamination stage, the detection device 300 is set.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
The limitation to claim therefore cannot be interpreted as.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the concept of this application, various modifications and improvements can be made, these belong to the protection of the application
Range.Therefore, the scope of protection shall be subject to the appended claims for the application patent.
Claims (10)
1. a kind of flexible thin film sensor (200) characterized by comprising
Flexible circuit board (20) is integrated with detection circuit (24)；
Temperature sense terminal (21) is fixedly installed on the flexible circuit board (20), for detecting object surface temperature value；
Current potential incudes terminal (22), the flexible circuit board (20) is fixedly installed on, for detecting testee potential value.
2. flexible thin film sensor (200) according to claim 1, which is characterized in that flexible circuit board (20) tool
There are the first detection faces (201) and the second detection faces (202)；
The temperature sense terminal (21) is set to first detection faces (201)；
Current potential induction terminal (22) is set to second detection faces (202).
3. flexible thin film sensor (200) according to claim 2, which is characterized in that the temperature sense terminal (21)
Quantity be set as at least one, the quantity of current potential induction terminal (22) is set as at least one.
4. flexible thin film sensor (200) according to claim 3, which is characterized in that the temperature sense terminal (21)
Quantity be set as five, the flexible circuit board (20) is rectangular circuit board；
Four temperature sense terminals (21) in five temperature sense terminals (21) are set to described first correspondingly
The 5th temperature sense terminal (21) on four angles of detection faces (201), in five temperature sense terminals (21)
It is set to the center of first detection faces (201).
5. flexible thin film sensor (200) according to claim 3, which is characterized in that the flexible circuit board (20) is
Rectangular circuit board；
Current potential induction terminal (22) includes the first current potential induction terminal (220), the induction of the second current potential terminal (221), third
Current potential incudes terminal (222), the 4th current potential induction terminal (223), the induction of the 5th current potential terminal (224), the 6th current potential induction end
Sub (225), the 7th current potential induction terminal (226), the 8th current potential induction terminal (227), the 9th current potential induction terminal (228) and the
Ten current potentials incude terminal (229)；
First current potential induction terminal (220), second current potential induction terminal (221), the third current potential incude terminal
(222) and the 4th current potential incudes four angles that terminal (223) are set to second detection faces (202) correspondingly
On；
5th current potential induction terminal (224), the 6th current potential induction terminal (225), the 7th current potential incude terminal
(226) and the 8th current potential induction terminal (227) is set to the four edges of second detection faces (202) correspondingly
Midpoint；
9th current potential induction terminal (228) is set to the center of second detection faces (202)；Tenth current potential
Induction terminal (229) is set to the quartering point position of a line in the four edges of second detection faces (202).
6. flexible thin film sensor (200) according to claim 1, which is characterized in that the temperature sense terminal (21)
It is encapsulated using transistor.
7. flexible thin film sensor (200) according to claim 1, which is characterized in that flexible circuit board (20) tool
There is the encapsulated layer of electrical isolation.
8. flexible thin film sensor (200) according to claim 7, which is characterized in that the encapsulated layer of the electrical isolation
Material is polyester, polyurethane, polyester-imide or acetal.
9. flexible thin film sensor (200) according to claim 1, which is characterized in that the flexible circuit board (20) is also
Include:
Data-interface (23), for exporting the temperature value and potential value of the detection circuit (24) measurement.
10. a kind of detection device (300), which is characterized in that including the described in any item fexible film sensings of such as claim 1-9
Device (200).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920056338.7U CN209513075U (en) | 2019-01-14 | 2019-01-14 | Flexible thin film sensor and detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920056338.7U CN209513075U (en) | 2019-01-14 | 2019-01-14 | Flexible thin film sensor and detection device |
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| Publication Number | Publication Date |
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| CN209513075U true CN209513075U (en) | 2019-10-18 |
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ID=68200736
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| CN201920056338.7U Active CN209513075U (en) | 2019-01-14 | 2019-01-14 | Flexible thin film sensor and detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655170A (en) * | 2019-01-14 | 2019-04-19 | 清华大学 | Flexible thin film sensor and detection device |
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2019
- 2019-01-14 CN CN201920056338.7U patent/CN209513075U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655170A (en) * | 2019-01-14 | 2019-04-19 | 清华大学 | Flexible thin film sensor and detection device |
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