CN108917970A - A kind of the filming collecting transmitter and method of temperature signal - Google Patents
A kind of the filming collecting transmitter and method of temperature signal Download PDFInfo
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- CN108917970A CN108917970A CN201810478132.3A CN201810478132A CN108917970A CN 108917970 A CN108917970 A CN 108917970A CN 201810478132 A CN201810478132 A CN 201810478132A CN 108917970 A CN108917970 A CN 108917970A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
- G01K7/22—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor
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Abstract
The present invention discloses a kind of filming collecting transmitter of temperature signal, including thinned temperature sensor and planar transmission line, the thickness of the thinned temperature sensor is less than 0.3mm, the thickness of the planar transmission line is less than 0.2mm, the planar transmission line includes two fexible film insulating layers and the metal lead wire that is arranged between two fexible film insulating layers, input electrode and output electrode, one end of the metal lead wire connects input electrode, the other end connects output electrode, the output electrode connects processor, the thinned temperature sensor of the input electrode connection, the two fexible films insulating layer wraps thinned temperature sensor one on the other.The device of the invention volume is small, good toughness, is suitble to the temperature sensing transmission of small space.
Description
Technical field
The present invention relates to a kind of acquisition of data, transmitting device and methods, more particularly relate to a kind of liquid crystal display temperature signal
Filming collecting transmitter and method, belong to electronic equipment Temperature monitoring technology field.
Background technique
Currently, the application of liquid crystal display is very extensive, but limited by liquid crystal material performance, liquid crystal display can only be very
It is worked normally within the scope of narrow temperature, therefore the using effect of liquid crystal display and temperature environment are closely bound up.It is well known to flat
The liquid crystal display of plate computer carries out temperature control, just must be packed into temperature sensor component inside liquid-crystalline glasses display screen,
However due to the close slab construction of the multilayer of liquid crystal display, to be inserted into sensor inside it and transmission line is one very tired
Difficult thing.It is found by retrieval, the Chinese patent of Patent No. 2013206052833 discloses a kind of liquid crystal display intelligence
Temperature control system, which is able to detect the temperature of use environment locating for liquid crystal display, but the system is by temperature sensor
It is arranged outside liquid crystal display, the temperature outside liquid crystal display can only be measured, cannot accurately measure its internal temperature.Due to liquid crystal display structure
The particularity made, traditional temperature sensor and signal transmssion line can not temperature ginsengs inside direct detection and transmission liquid crystal screen
Number.Obviously, in order to accurately measure liquid crystal display internal temperature, the thin type panelized of temperature sensor and transmission line itself is exactly
It is necessary.
Similarly, in many practical application situations, the thickness of the temperature sensor sampler space is very limited, sometimes even
The only thickness of two panels thin paper, and the signal transmission passage that transmission line passes through can only be flat slit, sometimes or even not
To the thickness of a thin paper.In the prior art, sensor can only accomplish grade thickness, generally be above several millimeters of thickness
Degree, can not be embedded into plate thin film component.Meanwhile the line footpath of traditional signal transmssion line is also relatively thick, and general circle
Immense pressure between unbearable two platen surface of shape conducting wire, conducting wire is easy to damage under such pressure, and signal can not exist
It is transmitted in film and slit.So the sensor and transmission line of traditional sense are can not to solve the acquisition in slit to believe with transmission
Number the problem of.
Summary of the invention
Present invention aims in view of the deficiencies of the prior art, provide a kind of filming acquisition transmission dress of temperature signal
Set, while providing a kind of filming collecting and transmitting method of temperature signal, can to very narrow space carry out temperature sensing and
Transmission, and then liquid crystal display reliably can be heated and be cooled down according to the temperature detected, to solve the width temperature of liquid crystal display
Work problem.
In order to reach the goals above, the present invention provides a kind of filming collecting transmitters of temperature signal, including subtract
The thickness of thin temperature sensor and planar transmission line, the thinned temperature sensor is less than 0.3mm, the planar transmission line
Thickness be less than 0.2mm, the planar transmission line include two fexible film insulating layers and setting two fexible film insulating layers it
Between metal lead wire, input electrode and output electrode, one end of the metal lead wire connects input electrode, other end connection output
Electrode, the output electrode connect processor, and the input electrode connects thinned temperature sensor, and two fexible film is exhausted
Edge layer wraps thinned temperature sensor and metal lead wire one on the other.
The present invention becomes one thinned temperature sensor with planar transmission line, and by sensor entirety complete seal
In in the insulating layer of transmission line, with external environment and air insulated, the filming acquisition and transmission of a set of temperature signal are constituted
Device.Thinned temperature sensor can be held in the small space between two planes highly no more than 0.5mm, hardly
Influence the flatness of plane；Transmission line can be by the slit of any not close cooperation, and slit height is between 0.1~0.2mm.It should
Device reliability is high, simple for structure, especially suitable convenient for needing to use in the instrument and equipment for detecting temperature by slit all kinds of
Temperature inside flat display detection liquid crystal display uses.
The technical solution of the present invention is further defined as the thinned temperature sensor is by sensor through mechanical grinding
Mill, cutting, polishing or the method reduction processing of chemical attack obtain, and the encapsulating material of degree view sensor, work is thinned in sensor
Skill determines that usually thinned degree is up to 10~30%, and after temperature sensor uses flattening reduction processing, thickness is less than
0.25mm, volume are not more than 0.6 × 0.3 × 0.3mm, and volume is very small, the microdevice after belonging to filming；The planar transmission
Line is prepared using planar flexible printing technology.
Further, the material of the fexible film insulating layer is polyimides, the thickness of the fexible film insulating layer
Less than 0.1mm, breakdown voltage is greater than 1000v, the use of temperature is -100 DEG C~+200 DEG C.
In above structure, had using insulating layer made of the extraordinary flexible material such as polyimides it is flexible, can be very wide
Within the temperature range of be arbitrarily bent, the features such as tension, resistance to compression, anti-puncture.In addition, above-mentioned insulating layer in ultra-thin situation, insulate
Intensity is high, adapts to -100 DEG C~+200 DEG C of temperature shock not aging, and 1000vAc high pressure does not puncture, and mechanical strength is good,
It can be subjected to 100kg/m2Above mechanical pressure is not damaged, and anti-puncture property is good.
Further, the sensor that single channel is thinned or the sensor that multipath series-parallel is thinned are provided in described device, and
The sensor of all kinds of models can be set according to actual needs.
Further, the transmission line is using Multi-line parallel cabling mode or internal single cabling mode altogether.
It under normal conditions, can be according to the quantity and different pins, difference using sensor using Multi-line parallel cabling mode
The quantity of the sensor setting cabling of model, general cabling quantity is 2~20 lines, in special circumstances, can be used it is internal altogether
Single cabling mode.
The present invention also provides a kind of filming collecting and transmitting methods of temperature signal, include the following steps：
The first step, selection temperature sensor：Sensing is determined according to the Temperature Distribution thermoisopleth in the size of liquid crystal display and screen
Then the number of device selects the type specification of sensor；
Temperature sensor is thinned in second step：When electrical property, mechanical performance and temperature characterisitic, which are all satisfied, to be required, temperature can be passed
Sensor carries out reduction processing, is carried out at filming using mechanical lapping, cutting, polishing or chemical attack mode to temperature sensor
Reason makes its thickness reduce by 10%~30%, obtains thinned temperature sensor；
Third step designs and produces transmission line flexible：After making exposure mask negative using exposure method, photoetching is used by exposure mask negative
Metal lead wire and input electrode, output electrode are transferred on a fexible film insulating layer by method, obtain the single side of no up-protective layer
Insulation flexible transmission line；
4th step, integration assembling：The single-sided insulation that thinned temperature sensor is attached to no up-protective layer using chip mounter is soft
Property transmission line input terminal, i.e., it is using plane patch method that the two electric-mechanic control system is integral, then in thinned temperature sensor
And one layer of fexible film insulating layer is sticked in the single-sided insulation flexible transmission line without up-protective layer, make thinned temperature sensor and
All exposed metal lead wires, input electrode are completely disposed under the covering and protecting of fexible film insulating layer, and are finally obtained
Integrated hygrosensor.
Further, the integrated temperature sensor or patch type that the temperature sensor is flat structure, volume is small are negative
Temperature coefficient thermistor.
Simultaneously, it is generally the case that 20 inches or more of liquid crystal display uses No. 8 temperature sensors, 10~19 inches of liquid crystal
Screen uses No. 4 temperature sensors, and 6~10 inches of liquid crystal display uses No. 2 temperature sensors, and 5 inches of liquid crystal displays below use 1
Road temperature sensor.
Further, the thickness of the Sensor section of the hygrosensor is less than 0.5mm, and the thickness of transmission line portions is small
In 0.2mm.
Further, method of the invention further includes the 5th step, installation hygrosensor：The probe of hygrosensor is embedding
In the temperature measuring area for entering plate instrument and equipment, then the slit extraction that its transmission line is passed through into plate.
The present invention be based in flat-panel monitor to the temperature control technology of liquid crystal display.In engineering, the full mistake of monitoring temperature
Journey can be analyzed to the following four stage：1. temperature signal collection → 2. signal transmission → 3. signal processing → 4. temperature control.?
Temperature signal parameter is changed into another physical quantity, can be thermoelectromotive force, be also possible to the temperature difference by the temperature signal collection stage
Resistance signal；In transmission phase signal, the analog electrical signal after sampling is obtained and converted is through transmission line to signal processing
Device；In signal processing stage, will be carried out after collected electric signal input signal processor a series of filtering, shaping, amplification and
The processing such as analog-to-digital conversion；In temperature controlling stages, by the sampled signal that signal processor is received and the temperature being previously set
Parameter is compared, and is controlled heater or refrigerator according to comparison result and carried out heating or cold to temperature controlled component is implemented
But, one cycle control is completed, the control that carries out then looped back and forth like this is gone down, and closed-loop control is formed.Technology of the invention
Aiming at " temperature signal collection " and " signal transmission " two stages in the above-mentioned stage, can be adopted in very narrow space
Collect temperature signal, and can reliably, conveniently be transferred out collected signal by flat narrows spaces such as slit and films.
Beneficial effects of the present invention are as follows：
1. low cost, simple process can facilitate batch production；
2. multiplexed detection device is made using planographic method, preparation method is simple and convenient；
3. the sensor bulk after filming can reach within 0.6mm × 0.3mm × 0.3mm, belong to microstructure, causes entire
Temperature sensing device assembly can easily between the liquid crystal display optical film plate of inserted into gap very little, and transmission range not by
Limitation, sampling is precisely, conveniently, reliably；
4. planar transmission line is wrapped with fexible film, structure is very secured, can arbitrarily be bent and not damage, can bear very great
Pull not broken, it is indeformable to bear plane weight power, and tolerable 1000vAc high voltage does not puncture, can long-term work -100
DEG C~+200 DEG C in the environment of not aging, the mechanical and opering characteristic of electric apparatus is very good；
5. the testing and debugging of whole device is simple, Electro Magnetic Compatibility is good, i.e., not by the interference of various signals, also not to the electricity of surrounding
Road generates interference, and environment fits Xuan Xinghao, can be by the test of 100 DEG C of boiling water boilings 2 hours, after water boiling, the miniature temperature of filming
It is intact to spend detector, high reliablity；
6. may extend in all kinds of instrument and equipments with flat structure as hygrosensor application, highest is detectable extremely
200 DEG C of high temperature.
In short, the device of the invention volume is small, good toughness is suitble to the temperature sensing transmission of small space.
Detailed description of the invention
Fig. 1 is the contrast schematic diagram that front and back is thinned in negative tempperature coefficient thermistor in the present invention.
Fig. 2 is the structural schematic diagram of hygrosensor in the embodiment of the present invention 1.
Fig. 3 is the B-B direction cross-sectional view of Fig. 2.
Fig. 4 is the structural schematic diagram of hygrosensor in the embodiment of the present invention 2.
Fig. 5 is in the present invention using the structural schematic diagram of the hygrosensor of No. 4 sensors.
Fig. 6 is the structural schematic diagram of liquid crystal display in the present invention.
Fig. 7 is the schematic block circuit diagram of hygrosensor in the present invention.
In figure：1,Extraction electrode, 2,Encapsulated layer, 1. input electrodes, 1-1. input electrode one, 1-2. input electrode two,
1-3. input electrode three, 1-4. input electrode four, 2-1. output electrode one, 2-2. output electrode two, 2-3. output electrode three, 2-
4. output electrode four, 2. output electrodes, 3. metal lead wires, 4. Basis insulating barriers, 5. sealing-in glue-lines, 6. temperature sensors, on 7.
Insulating layer, 8. lower insulating layers, 9. liquid crystal displays, 10.AR coating, protective glass before 11., 12. optics compound adhesives, polaroid before 13.,
14.RGB color filter, 15. liquid crystal layers, 16.TFT glass, polaroid after 17., 18. hygrosensors, 19. backlight assemblies.
The present invention is further illustrated with reference to the accompanying drawings and examples.
Embodiment 1
Present embodiments provide a kind of filming collecting transmitter of temperature signal, i.e. hygrosensor, structure such as Fig. 2 and
Shown in Fig. 3（Dotted line indicates that the length of hygrosensor can be determines according to actual conditions in Fig. 2）, including thinned temperature sensor
6 and planar transmission line, the thickness of thinned temperature sensor 6 is less than 0.3mm, and the thickness of planar transmission line is less than 0.2mm, plane
Transmission line includes two Basis insulating barriers 4 and the metal lead wire 3 being arranged between two Basis insulating barriers 4, input electrode 1 and output electricity
Pole 2, metal lead wire 3 are copper conducting wire, and one end of metal lead wire 3 connects input electrode 1, and the other end connects output electrode 2, output
Electrode 2 connects processor, and a thinned temperature sensor 6 is provided in input electrode 1.Two Basis insulating barriers 4 are divided for upper insulation
Layer 7 and lower insulating layer 8, two insulating layers can wrap temperature sensor 6 and metal lead wire 3 one on the other.Upper insulating layer 7 and it is lower absolutely
Edge layer 8 is all made of high-temperature-resistant flexible polyimide material, and it is indeformable which is resistant to nearly 200 DEG C of high-temperature baking, and
The low-temperature characteristics of material is also preferable, and flexibility can be still kept at -55 DEG C, and material matrix is not brittle.In short, signal transmssion line is adopted
It is made of planar flexible printing technology, after further flattening reduction processing, thickness is less than 0.2mm, transmission line
Two sides is coated with the high pressure resistant anti-puncture insulating layer of polyimides, is resistant to 1000vAc high electrical breakdown, tensile strength >=100Mpa,
Mechanical pressure intensity >=100kg/m2, can also prevent tip from piercing through.
A kind of filming collecting and transmitting method of temperature signal of the present embodiment, includes the following steps：
The first step, selection temperature sensor：Sensing is determined according to the Temperature Distribution thermoisopleth in the size of liquid crystal display and screen
The number of device, the present embodiment are illustrated by taking 5 inch liquid crystal screens, No. 1 temperature sensor as an example.There are many rule for temperature sensor
Lattice, the type specification of optional sensor as needed, be typically chosen the small integrated temperature sensor of flat structure, volume or
Patch type negative tempperature coefficient thermistor is advisable.The present embodiment is using patch type negative tempperature coefficient thermistor as temperature sensing
Device 6.
Temperature sensor is thinned in second step：It, can be to temperature when electrical property, mechanical performance and temperature characterisitic, which are all satisfied, to be required
It spends sensor and carries out reduction processing.In general, the thermistor encapsulated using the method for mechanical lapping to patch and surface are pasted
The integrated sensor of dress type encapsulation carries out grinding and is thinned, and thickness can be reduced about 30% or so in principle.As shown in Figure 1, a in Fig. 1
For the schematic diagram that preceding negative tempperature coefficient thermistor is thinned, extraction electrode 1,Slightly above encapsulated layer 2,；B is negative temperature after being thinned
The schematic diagram of coefficient resistance.For the temperature-sensitive element of illustrated dimensions encapsulation, the encapsulated layer of electronic component can be subtracted
It is thin, as long as not injuring internal circuit, therefore use mechanical milling method by extraction electrode 1,With encapsulated layer 2,Grind away one
Point, make extraction electrode 1,With encapsulated layer 2,It flushes, this can reduce the thickness of thermistor about 30%, that is, temperature-sensitive element before being thinned
With a thickness of 0.3mm, after mechanical lapping, thickness is reduced to about 0.2mm, and the length of temperature-sensitive element is 0.6mm.After grinding, it will be subtracted
The temperature-sensitive device of thin mistake is cleaned up and can be used after using absolute alcohol dehydration.
Third step, production insulation membrane electrode layer：Input electrode 1, output electrode 2 are the zinc-plated pad of 2 pin packages,
One input pin of middle input electrode 1 connect composition list with an output pin of output electrode 2 by a metal lead wire 3
Metal electrode, after the exposure mask negative that two metal electrodes are made of exposure method, by exposure mask negative using photoetching process by two
In the marking to lower insulating layer 8 of metal electrode, due to the low current of temperature signal category microampere order, therefore the thickness of metal electrode is controllable
System is within 0.02mm.
4th step, sensor patch：The temperature sensors such as thermistor 6 are welded on the pad of input electrode 1, are welded
Technique uses manual welding, sealing-in glue-line 5 is coated in the lower surface of upper insulating layer 7 and the upper surface of lower insulating layer 8, for gluing
Attached metal lead wire 3, input electrode 1, output electrode 2.When temperature sensor 6 and larger transmission line assembling batch, also can be used
Chip mounter carries out patch, it is noted that welding temperature is no more than the tolerable temperature pole of upper insulating layer 7 and lower insulating layer 8 when paster technique
Limit.
5th step, sealing and assembling detector：It takes an insulating layer as lower insulating layer 7, is applied in lower 7 upper surface of insulating layer
A thin layer of sealing-in glue-line 5, then the metal lead wire 3 with input electrode 1 and output electrode 2 made is pasted on sealing-in
The surface of glue-line 5 obtains the single-sided insulation flexible transmission line without up-protective layer.Then, by ground temperature sensor 6
It is welded in input electrode 1, on the single-sided insulation flexible transmission line surface with temperature sensor 6 other than output electrode 2
A thin layer of sealing-in glue-line 5 is applied, one layer of upper insulating layer 7 is finally sticked on the sealing-in glue-line 5, in this way in addition to output electrode
2 surface, temperature sensor 6 and exposed metal lead wire 3 are placed within the scope of the package of flexible insulating film, with outside air
Isolation, completes the integration assembling of hygrosensor, and exposed output electrode 2 can be connect with external world's processing chip.Sealing-in glue
The sealing-in glue of layer 5 is high temperature resistant type sealant, and temperature characterisitic after solidify should become attached to under layer 8 close to upper insulating layer 7.
The thickness of the Sensor section of hygrosensor after assembling is less than 0.6mm, and the thickness of flexible transmission line part is small
In 0.2mm.The test that 100 DEG C of boiling water boilings 2 hours are carried out to detector, carries out every electric performance test again later, and discovery is visited
It is intact to survey device, high reliablity.
Hygrosensor is embedded in the temperature measuring area of plate instrument and equipment, then its transmission line is drawn by the slit of plate
Out.Output electrode 2 is connect with processor, convenient for the collected signal of temperature sensor 6 to be transferred to the processor of various models.
As shown in fig. 6, the liquid crystal display of multilayer planar structure is a Dagwood interlayer structure, by liquid crystal panel component, temperature sensing
Device 18 and backlight assembly 19 form, and liquid crystal panel component includes antireflection AR coating 10, preceding protective glass 11, optics compound adhesive
12, preceding polaroid 13, RGB color filter 14, liquid crystal layer 15, TFT glass 16 and rear polaroid 17.In sandwich structure middle layer
Closely close to, gap very little between layer, to accurately detect panel temperature, then the best way and optimal temperature detection position
Exactly the temperature surface of temperature sensor 6 is tightly attached on the rear polaroid 8 on the inside of liquid crystal display, backlight assembly 19 and rear polaroid
Gap between 17 is very thin.It, need to be by the careful insertion two of popping one's head in of the microsensor of filming when being embedded in hygrosensor
Interplanar, then be fixed on rear polaroid 17 with optical cement, after installing probe, so that it may draw transmission line.It is installing
After probe, polaroid 17 is consistent with the plane Bao Te of transmission line after liquid crystal display, and transmission line is held on rear polaroid 17 and backlight
It can smoothly be drawn between source component 19.In addition, being pressed from both sides spy between two planes due to the flat superthin structure of transmission line
When, as long as not excessive bending gives a discount (bent when space is more abundant) in operation, liquid crystal display would not be influenced
The optical property of screen.
In actual use, as shown in fig. 7, the collected temperature signal of hygrosensor, as a kind of analog telecommunications
Number by film transmission line to signal processor, after processor receives this signal, a series of filtering of progress, shaping,
The processing such as amplification and analog-to-digital conversion, and be compared with the temperature being previously set, judge whether to control heater or refrigerator
Heating or cooling processing are carried out to liquid crystal display.Temperature collection signal, heating or cooling processing can all make temperature to hygrosensor always
Degree changes, and the signal processor also temperature after receiving the different temperatures signal that transmits from hygrosensor with setting
Compare, controls temperature controller.It loops back and forth like this, forms closed-loop control, liquid crystal display temperature is controlled in a stable temperature
It spends under environment, the display effect of liquid crystal display is made to reach optimum state.
Embodiment 2
The present embodiment difference from example 1 is that：As shown in figure 4, the transmission line of hygrosensor includes input electrode 1
With output electrode 2, input electrode 1, output electrode 2 are the tin plating pad of 8 pin packages, wherein the input pipe of input electrode 1
Foot is connected by single metal lead wire 3 with the corresponding output pin of output electrode 2.
In addition, in practical applications, detection temperature can be can also be used with sensor using negative tempperature coefficient thermistor
Temperature acquisition chip, such as DS18B20, AD590, TMP35, TMP36 chip, if temperature acquisition chip selects SO surface mount packages,
Grinding reduction processing can be equally carried out, the input and output electrode of its encapsulation is met further according to the specifications design of selected chip.
Embodiment 3
The present embodiment difference from example 1 is that：By taking 15 inch liquid crystal screens as an example, needed to the temperature in acquisition screen
Will at least No. 4 sensors could accurately collect the temperature in screen, and it is temperature collection that No. 4 sensors, which are placed on the quadrangle of screen,
Most stable of mode.As shown in figure 5, the hygrosensor includes four using thermistor as the hygrosensor of sensor
Input electrode and four output electrodes, four input electrodes are respectively one 1-1 of input electrode, two 1-2 of input electrode, input electrode
Three 1-3, four 1-4 of input electrode, four output electrodes are respectively one 2-1 of output electrode, two 2-2 of output electrode, output electrode three
2-3, four 2-4 of output electrode.Each input electrode welds a temperature sensor, and four temperature sensors are arranged in liquid crystal display
9 quadrangle, for detecting the temperature of panel quadrangle.
As described above, must not be explained although the present invention has been indicated and described referring to specific preferred embodiment
For the limitation to invention itself.It without prejudice to the spirit and scope of the invention as defined in the appended claims, can be right
Various changes can be made in the form and details for it.
Claims (9)
1. a kind of filming collecting transmitter of temperature signal, it is characterised in that：Including thinned temperature sensor and plane
Transmission line, the thickness of the thinned temperature sensor are less than 0.3mm, and the thickness of the planar transmission line is less than 0.2mm, described
Planar transmission line includes two fexible film insulating layers and the metal lead wire being arranged between two fexible film insulating layers, input electrode
And output electrode, one end of the metal lead wire connect input electrode, the other end connects output electrode, the output electrode connection
Processor, the thinned temperature sensor of the input electrode connection, the two fexible films insulating layer wraps one on the other to be subtracted
Thin temperature sensor.
2. the filming collecting transmitter of a kind of temperature signal according to claim 1, it is characterised in that：It is described thinned
Temperature sensor is to be obtained by sensor through the method reduction processing of mechanical lapping, cutting, polishing or chemical attack；The plane
Transmission line is prepared using planar flexible printing technology.
3. the filming collecting transmitter of a kind of temperature signal according to claim 1, it is characterised in that：The flexible thin
The material of film insulating layer is polyimides, and the thickness of the fexible film insulating layer is less than 0.1mm, and breakdown voltage is greater than 1000v,
It the use of temperature is -100 DEG C~+200 DEG C.
4. the filming collecting transmitter of a kind of temperature signal according to claim 1, it is characterised in that：In described device
It is provided with the sensor that single channel is thinned or the sensor that multipath series-parallel is thinned.
5. the filming collecting transmitter of a kind of temperature signal according to claim 4, it is characterised in that：The transmission line
Using Multi-line parallel cabling mode or internal single cabling mode altogether.
6. a kind of filming collecting and transmitting method of temperature signal, which is characterized in that include the following steps：
The first step, selection temperature sensor：Sensing is determined according to the Temperature Distribution thermoisopleth in the size of liquid crystal display and screen
Then the number of device selects the type specification of sensor；
Temperature sensor is thinned in second step：Using mechanical lapping, cutting, polishing or chemical attack mode to temperature sensor into
The processing of row filming, makes its thickness reduce by 10%~30%, obtains thinned temperature sensor；
Third step designs and produces transmission line flexible：After making exposure mask negative using exposure method, photoetching is used by exposure mask negative
Metal lead wire and input electrode, output electrode are transferred on a fexible film insulating layer by method, obtain the single side of no up-protective layer
Insulation flexible transmission line；
4th step, integration assembling：The single-sided insulation that thinned temperature sensor is attached to no up-protective layer using chip mounter is soft
Property transmission line input terminal, then sticked on thinned temperature sensor and single-sided insulation flexible transmission line without up-protective layer
One layer of fexible film insulating layer is completely disposed at thinned temperature sensor and all exposed metal lead wires, input electrode
Under the covering and protecting of fexible film insulating layer, integrated hygrosensor is finally obtained.
7. the filming collecting and transmitting method of a kind of temperature signal according to claim 6, it is characterised in that：The temperature passes
The integrated temperature sensor or patch type negative tempperature coefficient thermistor that sensor is flat structure, volume is small.
8. the filming collecting and transmitting method of a kind of temperature signal according to claim 6, it is characterised in that：The temperature is visited
The thickness for surveying the Sensor section of device is less than 0.5mm, and the thickness of transmission line portions is less than 0.2mm.
9. the filming collecting and transmitting method of a kind of temperature signal according to claim 6, it is characterised in that：It further include the 5th
Step, installation hygrosensor：The probe of hygrosensor is embedded in the temperature measuring area of plate instrument and equipment, then by its transmission line
It is drawn by the slit of plate.
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| CN201810478132.3A CN108917970A (en) | 2018-05-18 | 2018-05-18 | A kind of the filming collecting transmitter and method of temperature signal |
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| CN201810478132.3A CN108917970A (en) | 2018-05-18 | 2018-05-18 | A kind of the filming collecting transmitter and method of temperature signal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109632123A (en) * | 2018-12-07 | 2019-04-16 | 苏州长风航空电子有限公司 | A kind of flexible paste chip temperature sensor |
| CN111556596A (en) * | 2020-04-28 | 2020-08-18 | 沈阳工业大学 | Writing device and method supporting private interaction |
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