JP2012067502A - Window glass having temperature sensor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a window glass having a temperature sensor, capable of reducing irregularities on a glass surface, having high responsibility of temperature measurement, and achieving accurate temperature measurement.SOLUTION: A window glass having a temperature sensor comprises a plate glass body 2 used for a window, and a film-shaped temperature sensor 4 which is attached to a glass surface of the plate glass body 2 and has a heat-sensitive part which is spread out on the attached area and has electric resistance which changes responding to temperature. The film-shaped temperature sensor 4 comprises an insulating film 5, a film-shaped heat-sensitive part extending on the insulating film 5, and a couple of lead wires 6 connected to the heat-sensitive part.

Description

  The present invention relates to a window glass with a temperature sensor capable of measuring the temperature of the window glass.

In recent years, in order to measure the temperature of a window glass and control a curtain, a blind, an air conditioner, etc., the window glass with a sensor which attached the temperature sensor to the window glass is examined.
Conventionally, for example, Patent Document 1 proposes a window glass in which a temperature sensor and a light sensor are provided on an indoor side glass surface or an outdoor side glass surface in a plate glass used for a window.

  In this window glass, automatic adjustment such as raising and lowering of the blind is performed based on the temperature and light quantity detected by the temperature sensor and the optical sensor. As the temperature sensor attached to the window glass, a thermocouple, thermistor, metal resistance wire or the like having a wire diameter of 0.3 mm is used, and this is adhered to the glass surface with an adhesive.

JP 2000-337048 A

The following problems remain in the conventional technology.
That is, in the technique described in Patent Document 1, a thermocouple, thermistor, or metal resistance wire is attached to the glass surface with an adhesive on the glass surface of the window glass. There was a problem in that a local convex portion was formed on the surface, and it was easily caught and removed during cleaning. In addition, there is a problem that only the temperature sensor installed in a local convex shape on the glass surface is likely to fluctuate more rapidly than the whole window glass due to outside air or the like, and accurate temperature measurement cannot be performed. Furthermore, since the area where the temperature sensor is in close contact with the window glass is small, and it is local and has low thermal conductivity, it is difficult to measure the exact temperature of the window glass, and the temperature sensor is convex. There is also a problem that the responsiveness is low due to the heat capacity based on the volume.

  The present invention has been made in view of the above-described problems, and an object of the present invention is to provide a window glass with a temperature sensor that can reduce unevenness on the glass surface, has high temperature measurement responsiveness, and is capable of accurate temperature measurement. And

  The present invention employs the following configuration in order to solve the above problems. That is, the window glass with a temperature sensor of the present invention is attached to the glass surface of the plate glass body used in the window and the glass surface of the plate glass body, and is spread over the attached region, depending on the temperature. And a film-like temperature sensor having a heat-sensitive part whose electrical resistance changes.

  In this window glass with a temperature sensor, a film-like temperature sensor having a heat-sensitive part that is attached to the glass surface of the plate glass main body and spreads over the attached region so that the electric resistance changes according to the temperature. Therefore, the temperature of the window glass can be measured with a wide surface of the film temperature sensor affixed to the plate glass body. Can be measured. In particular, the larger the heat sensitive part of the film-like temperature sensor, the more the average temperature in a wide area can be measured, and the accurate temperature of the window glass can be measured. Further, since the film-like temperature sensor is flexible and has a thin outer shape with a small unevenness, peeling due to cleaning or the like is reduced, and temperature fluctuations are unlikely to occur even when receiving outside air. Furthermore, since the film temperature sensor is thin and the heat capacity is small, the responsiveness of temperature measurement is high.

Moreover, the window glass with a temperature sensor of the present invention is characterized in that the film-like temperature sensor is attached so as to extend in the vertical direction of the plate glass body.
That is, in this window glass with a temperature sensor, the film-like temperature sensor is attached so as to extend in the vertical direction of the plate glass main body, so that the average temperature in the vertical direction of the window glass that is likely to cause a temperature difference can be measured. Thus, measurement errors due to the temperature difference in the vertical direction can be reduced.

In the window glass with a temperature sensor of the present invention, the film-like temperature sensor is connected to the insulating film, the thin-film heat-sensitive part formed on the insulating film, and the heat-sensitive part. And a pair of lead wires.
That is, in this window glass with a temperature sensor, the film-like temperature sensor has a thin film-like heat-sensitive portion formed on the insulating film, so that it can be easily applied to the glass surface of the plate glass main body with high flexibility. The film-like temperature sensor can be adhered in a high contact state, and temperature measurement with high accuracy and high response becomes possible.

Further, the window glass with a temperature sensor of the present invention includes a frame portion attached to a peripheral portion of the plate glass body, the insulating film is disposed in the vicinity of the frame portion, and the lead wire is disposed in the frame portion. It is characterized by being wired to.
That is, in this window glass with a temperature sensor, the insulating film is arranged in the vicinity of the frame portion, and the lead wires are wired in the frame portion, so that the insulating film and the heat sensitive portion prevent the lighting from the plate glass body. In addition, the wiring is hidden in the frame portion, so that the wiring can be performed without impairing the appearance.

Further, in the window glass with a temperature sensor of the present invention, the heat sensitive part is formed on the insulating film, and the pair of pattern electrodes to which the pair of lead wires are connected, the insulating film and the pair of patterns. And a thin film thermistor portion patterned on the electrode.
That is, in this window glass with a temperature sensor, since the heat sensitive part has a thin film thermistor part patterned on the insulating film, the thin film thermistor part is formed over a wide area on the insulating film, More accurate and responsive temperature measurement becomes possible.

Moreover, the window glass with a temperature sensor of the present invention is characterized in that the heat sensitive part is a platinum resistance thermometer formed by patterning a platinum film on the insulating film.
That is, in this window glass with a temperature sensor, since the heat sensitive part is a platinum resistance thermometer that is patterned with a platinum film on the insulating film, the platinum resistance thermometer extending over a wide range on the insulating film. Thus, temperature measurement with higher accuracy and higher response becomes possible.

The present invention has the following effects.
That is, according to the window glass with a temperature sensor according to the present invention, the heat sensitive part that is attached to the glass surface of the plate glass main body and spreads over the attached area and the electric resistance changes according to the temperature. The temperature of the window glass can be accurately measured and the response of the outer shape is improved compared to the conventional local temperature sensor closely attached and fixed. It is possible to suppress unevenness as much as possible and suppress temperature fluctuations caused by peeling or cleaning by the outside air. Therefore, if the window glass with a temperature sensor of the present invention is used, the temperature of the window glass can be measured with high accuracy and high responsiveness, and it becomes possible to control curtains, blinds, air conditioners, and the like with high accuracy.

It is a front view which shows 1st Embodiment of the window glass with a temperature sensor which concerns on this invention. In 1st Embodiment, it is a perspective view which shows a film-like temperature sensor. In 1st Embodiment, it is a perspective view which shows the manufacturing method of a film-form temperature sensor in order of a process. In 2nd Embodiment of the window glass with a temperature sensor which concerns on this invention, it is a perspective view which shows a film-form temperature sensor. In 2nd Embodiment, it is a perspective view which shows the manufacturing method of a film-form temperature sensor in order of a process. It is a front view which shows 3rd Embodiment of the window glass with a temperature sensor which concerns on this invention.

  Hereinafter, a first embodiment of a window glass with a temperature sensor according to the present invention will be described with reference to FIGS. 1 to 3. In each drawing used for the following description, the scale is appropriately changed in order to make each member recognizable or easily recognizable.

  As shown in FIGS. 1 and 2, the window glass 1 with a temperature sensor of the present embodiment includes a plate glass main body 2 used for a window, a frame portion 2 a attached to a peripheral portion of the plate glass main body 2, and the plate glass. A film-like temperature sensor 4 having a heat-sensitive portion 3 that is attached to the glass surface of the main body 2 and is spread over the attached region and changes its electrical resistance in accordance with the temperature.

The film-like temperature sensor 4 includes an insulating film 5, a thin-film heat-sensitive part 3 formed on the insulating film 5, and a pair of lead wires 6 connected to the heat-sensitive part 3. And.
The insulating film 5 is disposed in the vicinity of the frame portion 2a, and lead wires 6 are wired in the frame portion 2a.

As shown in FIG. 2, the heat sensitive part 3 is formed on a pair of pattern electrodes 7 formed on an insulating film 5 and connected to a pair of lead wires 6, and on the insulating film 5 and the pair of pattern electrodes 7. And a patterned thin film thermistor section 8.
The insulating film 5 is formed in a rectangular shape with, for example, a polyimide resin sheet.

  The pair of pattern electrodes 7 is formed by patterning a laminated metal film of, for example, a NiCr film and a Pt film, and has comb-shaped electrode portions having a comb-shaped pattern arranged in an opposed state. The comb-shaped electrode portions of these pattern electrodes 7 are arranged so as to extend along the extending direction of the rectangular insulating film 5 as a whole (the vertical direction of the plate glass body 2). Further, a plating part 10 is formed on the base end part of the pair of pattern electrodes 7 as a lead part of the lead wire 6. Furthermore, one end of the lead wire 6 is joined to the plated portion 10 with a solder material 11.

  The thin film thermistor portion 8 is made of a thin film thermistor material made of nitride such as TiAlN, TiN, NbAlN, NbN, etc. Is formed.

Next, the manufacturing method of the window glass 1 with a temperature sensor of this embodiment is demonstrated with reference to FIG. 2 and FIG.
First, for example, a NiCr film (Ni: Cr = 80 mol%: 20 mol%) is formed to a thickness of 10 nm on the insulating film 5 of a polyimide resin sheet having a thickness of 50 μm shown in FIG. Further, a Pt film having a thickness of 200 nm is formed thereon.

  Next, as shown in FIG. 3B, a resist solution is applied onto the stacked NiCr film and Pt film with a bar coater, pre-baked at 80 ° C. for 10 minutes, and then a predetermined comb electrode is formed with an exposure apparatus. It is exposed to the pattern shape of the structure, and unnecessary portions are removed. Further, the pair of pattern electrodes 7 is patterned in a predetermined pattern by dry etching with Ar.

On the insulating film 5 on which the pattern electrode 7 is formed, as shown in FIG. 3C, a TiAlN thin film thermistor portion 8 having a predetermined shape and a thickness of 500 nm is formed by reactive sputtering through a metal mask. Film.
Thereafter, as shown in FIG. 3 (d), a polyimide coverlay film 12 with an adhesive is placed on the insulating film 5 so as to cover the thin film thermistor portion 8, and 2N / cm at 150 ° C. by a press machine. Pressurize with pressure for 30 min to adhere. At this time, the polyimide cover lay film 12 is bonded except for the base end portions of the pair of pattern electrodes 7 forming the plating portion 10.

Next, as shown in FIG. 3E, a Ni plating layer having a thickness of 3 μm and a Sn plating layer having a thickness of 10 μm are formed on the base end portions of the pair of pattern electrodes 7 by a plating solution. The plating part 10 is used.
Furthermore, the film-like temperature sensor 4 shown in FIG. 2 is produced by joining one end of each lead wire 6 to the plated portion 10 with the solder material 11.

  Next, a film with a double-sided adhesive (not shown) is attached in the vicinity of the frame portion 2a of the plate glass main body 2 shown in FIG. 1, and the film-like temperature sensor 4 is adhered onto the film with the double-sided adhesive. Furthermore, the insulating tape 13 is wrapped so as to cover the insulating film 5 of the film temperature sensor 4, and the insulating tape 13 is attached to the plate glass body 2. Further, the pair of lead wires 6 is inserted and wired in the frame portion 2a, whereby the window glass 1 with a temperature sensor of the present embodiment is manufactured. The lead wire 6 is connected to a temperature measurement circuit (not shown) such as an air conditioner installed outside.

  Thus, in the window glass 1 with a temperature sensor of this embodiment, it is affixed to the glass surface of the plate glass main body 2 and is spread over the affixed region so that the electric resistance changes depending on the temperature. Since the film-like temperature sensor 4 having the portion 3 is provided, the temperature can be measured with a wide sticking surface of the film-like temperature sensor 4 attached to the plate glass body 2, and the conventional temperature sensor is fixedly adhered locally. It is possible to accurately measure the temperature of the window glass as compared to the one.

  In particular, the larger the heat sensitive part 3 of the film-like temperature sensor 4 is, the more the average temperature in a wider area can be measured, and the more accurate the window glass temperature can be measured. In addition, since the film-shaped temperature sensor 4 is flexible and has a thin outer shape and a thin structure, it is less likely to be peeled off due to cleaning or the like, and temperature fluctuations are less likely to occur even when receiving outside air. Furthermore, since the film temperature sensor 4 is thin and the heat capacity is small, the temperature measurement response is high.

  Moreover, since the film-like temperature sensor 4 has the thin film-like heat sensitive part 3 formed on the insulating film 5, it can be easily and highly adhered to the glass surface of the plate glass main body 2 by high flexibility. The film-like temperature sensor 4 can be adhered, and temperature measurement with high accuracy and high response becomes possible.

Further, since the insulating film 5 is disposed in the vicinity of the frame portion 2a and the lead wire 6 is wired in the frame portion 2a, the insulating film 5 and the heat sensitive portion 3 hinder the lighting from the plate glass body 2. In addition, the wiring is hidden in the frame portion, so that the wiring can be performed without impairing the appearance.
Furthermore, since the heat sensitive part 3 includes the thin film thermistor part 8 patterned on the insulating film 5, the thin film thermistor part 8 is formed over a wide area on the insulating film 5 in a wide area, so that the accuracy is high. In addition, highly responsive temperature measurement is possible.

  Next, 2nd Embodiment and 3rd Embodiment of the window glass with a temperature sensor which concern on this invention are described below with reference to FIGS. Note that, in the following description of the embodiment, the same components described in the above embodiment are denoted by the same reference numerals, and the description thereof is omitted.

  The difference between the second embodiment and the first embodiment is that, in the first embodiment, the heat sensitive part 3 is a thin film thermistor provided with a thin film thermistor part 8, whereas the window glass with a temperature sensor of the second embodiment. As shown in FIGS. 4 and 5, the heat-sensitive portion 23 is a platinum resistance temperature detector 28 that is patterned in a meander-shaped linear pattern with a Pt (platinum) film on the insulating film 5. .

  That is, in the film-like temperature sensor 24 of the second embodiment, the platinum resistance thermometer 28 is provided over a wide range on the insulating film 5 by patterning the Pt film formed on the insulating film 5 in a meander shape. It has been.

Next, the manufacturing method of the window glass with a temperature sensor of 2nd Embodiment is demonstrated with reference to FIG. 4 and FIG.
First, as shown in FIG. 5A, a NiCr film (Ni: Cr = 80 mol%: 20 mol%) is formed to a thickness of 10 nm on the insulating film 5 of, for example, a polyimide resin sheet having a thickness of 50 μm by sputtering. Further, a Pt film having a thickness of 200 nm is formed thereon.

  Next, as shown in FIG. 5B, a resist solution is applied onto the stacked NiCr film and Pt film with a bar coater, pre-baked at 80 ° C. for 10 minutes, and then subjected to a predetermined meander structure with an exposure apparatus. The pattern is exposed to light, and unnecessary portions are removed. Further, the platinum resistance thermometer 28 is patterned in a predetermined pattern by dry etching with Ar.

  Thereafter, as shown in FIG. 5C, a polyimide coverlay film 12 with an adhesive is placed on the insulating film 5 so as to cover the platinum resistance thermometer 28, and 2N / Pressurize with a pressure of cm for 30 minutes to adhere. The polyimide cover lay film 12 is bonded except for the pair of base end portions of the platinum resistance thermometer 28 where the plated portion 10 is formed.

Next, as shown in FIG. 5D, a Ni plating layer having a thickness of 3 μm and a Sn plating layer having a thickness of 10 μm are formed on the pair of base end portions of the platinum resistance thermometer 28 by a plating solution. A pair of plating portions 10 is used.
Furthermore, the film-like temperature sensor 24 shown in FIG. 4 is produced by joining one end of each lead wire 6 to the plated portion 10 with the solder material 11.

  Next, as in the first embodiment, a film with a double-sided adhesive (not shown) is attached to the plate glass body 2, and the film-like temperature sensor 24 is placed on the film with a double-sided adhesive (not shown). Adhere to. Further, the insulating film 13 is wrapped with the insulating tape 13 so as to cover the insulating film 5 of the film temperature sensor 24, and the insulating tape 13 is bonded to the plate glass body 2. Further, the pair of lead wires 6 is inserted and wired in the frame portion 2a, whereby the window glass with a temperature sensor of the second embodiment is manufactured.

  Thus, in the window glass with a temperature sensor of the second embodiment, since the heat sensitive part 23 is the platinum resistance thermometer 28 patterned with the Pt film on the insulating film 5, a wide range is provided on the insulating film 5. The platinum resistance thermometer 28 extending over the temperature enables more accurate and responsive temperature measurement.

  Next, the difference between the third embodiment and the first embodiment is that, in the first embodiment, the rectangular film-like temperature sensor 4 is attached to the lower part of the plate glass body 2 whereas the third embodiment is different from the third embodiment. In the window glass 31 with a temperature sensor of the embodiment, the insulating film 35 is formed in a band shape, and the film-like temperature sensor 34 is attached to extend in the vertical direction of the plate glass body 2.

That is, in the third embodiment, the heat-sensitive portion 3 extends in a strip shape in the extending direction of the strip-shaped insulating film 35 (the vertical direction of the plate glass main body 2). In particular, in 3rd Embodiment, the insulating film 35 and the heat sensitive part 3 are extended from the upper end vicinity of the plate glass main body 2 to the lower end vicinity.
In the third embodiment, the film-like temperature sensor 34 is bonded with the strip-like insulating tape 33 in a state where the film-like temperature sensor 34 is bonded so that the heat-sensitive part 3 extends vertically from the vicinity of the upper end of the plate glass body 2 to the vicinity of the lower end. The insulating film 35 is wrapped so as to cover the insulating film 35, and the insulating tape 33 is bonded to the plate glass body 2.

  Thus, in the window glass 31 with a temperature sensor of 3rd Embodiment, since the film-like temperature sensor 34 is extended and affixed to the up-down direction of the plate glass main body 2, the upper and lower sides of the window glass which a temperature difference tends to produce is easy. The average temperature in the direction can be measured, and the measurement error due to the temperature difference in the vertical direction can be reduced.

The technical scope of the present invention is not limited to the above embodiments, and various modifications can be made without departing from the spirit of the present invention.
For example, in each of the above embodiments, a film temperature sensor is attached to a flat plate glass body. However, since the film temperature sensor is a flexible thin film, it can be easily applied to the glass surface of a curved plate glass body. It can be pasted on.

  DESCRIPTION OF SYMBOLS 1,31 ... Window glass with temperature sensor, 2 ... Plate glass main body, 2a ... Frame part, 3, 23 ... Heat sensitive part, 4, 24, 34 ... Film temperature sensor, 5, 35 ... Insulating film, 6 ... Lead wire 7 ... Pattern electrode, 8 ... Thin film thermistor, 28 ... Platinum resistance thermometer

Claims (6)

A sheet glass body used for windows;
A film-like temperature sensor having a heat-sensitive part that is attached to the glass surface of the plate glass body and that is spread over the attached region and changes its electrical resistance in accordance with the temperature. Characteristic window glass with temperature sensor. In the window glass with a temperature sensor according to claim 1,
A window glass with a temperature sensor, wherein the film-like temperature sensor is attached so as to extend in a vertical direction of the plate glass body. In the window glass with a temperature sensor according to claim 1 or 2,
The film temperature sensor is an insulating film,
The heat-sensitive portion in the form of a thin film extending on the insulating film;
A window glass with a temperature sensor, comprising: a pair of lead wires connected to the heat sensitive part. In the window glass with a temperature sensor according to claim 3,
A frame portion attached to the peripheral edge of the plate glass body,
The insulating film is disposed in the vicinity of the frame;
The window glass with a temperature sensor, wherein the lead wire is wired in the frame portion. In the window glass with a temperature sensor according to claim 3 or 4,
A pair of pattern electrodes formed on the insulating film and connected to the pair of lead wires;
A window glass with a temperature sensor, comprising: a thin film thermistor portion patterned on the insulating film and the pair of pattern electrodes. In the window glass with a temperature sensor according to claim 3 or 4,
A window glass with a temperature sensor, wherein the heat sensitive part is a platinum resistance thermometer that is patterned with a platinum film on the insulating film.

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