KR102408935B1 - Transformable signal sensing tag - Google Patents

Abstract

A variable sensing tag according to some embodiments of the present invention includes a flexible band portion having a first surface and a second surface opposite to the first surface, and is detachably and fixedly disposed on the first surface of the band portion and is directly or indirectly connected to the subject. and a tag unit for communicating with a reader by sensing a signal from the subject by being in contact with the .

Description

Variable sensing tag {TRANSFORMABLE SIGNAL SENSING TAG}

The present invention relates to a sensing tag, and more particularly, to a variable sensing tag having a miniaturized structure that can be easily mounted on a user's wrist, etc. to measure biosignals such as body temperature, and can be easily stored after use.

Taking a conventional thermometer, which is a representative biosignal measuring device, as a specific example, the thermometer is divided into a contact type and a non-contact type. The contact type thermometer is a relatively accurate method that measures by inserting a sensor inside the ear, but it is difficult for several people to alternately use it. It has a disadvantage in terms of cleanliness and high price. In contrast, non-contact thermometers, such as infrared and vision, are expensive and have poor accuracy.

To overcome these shortcomings, various biotag structures such as patch-type or watch-type mounting types that are attached to the user's skin have been proposed. For a long time, users have experienced discomfort during installation.

The present invention has been devised to solve the above-described problems, and an object of the present invention is to provide easy detachment and storage of the user, no discomfort even when mounted on the human body for a long time, and to secure sensing accuracy and communication stability even when the biometric tag is miniaturized. It is to provide a biosignal sensing tag that can.

The technical problems of the present invention are not limited to the technical problems mentioned above, and other technical problems not mentioned will be clearly understood by those skilled in the art from the description below.

According to an embodiment of the present invention in order to solve this problem, a flexible band portion having a first surface and a second surface opposite to the first surface; and a tag unit detachably fixedly disposed on the first surface of the band unit and in direct or indirect contact with a subject to sense a signal from the subject to communicate with a reader; a variable sensing tag including a provided

The variable sensing tag in a state mounted on the object to be inspected (hereinafter, a mounted state) is rolled such that the first surface of the band portion becomes an inner surface in contact with the object and the second surface becomes an outer surface. and can be fixed.

In some embodiments, the band portion includes at least one folded region, and the variable sensing tag in a state in which it is removed from the subject and stored (hereinafter referred to as a storage state) is at least once based on the folded region. It can be folded and fixed.

The band portion includes a first band region located on one side with respect to the at least one folded region, and a second band region located on the other side opposite to the one side with respect to the at least one folded region, the second band region A first fixing member may be provided on the first surface of the band portion located at

In each of the mounted state and the storage state, at least a partial region of the first fixing member may be in contact with the second surface of the band portion positioned in the first band region to fix the variable sensing tag.

In addition, a second fixing member may be provided on the first surface of the band portion positioned in the first band region, and the second fixing member may detachably fix the tag portion to the band portion.

In some embodiments, the at least one fold area includes a first fold area and a second fold area, and the band part includes: a first band area located at one side with respect to the first fold area; a second band region located on the other side opposite to the one side with respect to the second folded region; and a third band region positioned between the first folded region and the second folded region, wherein a partial region is located on the first band region on the first surface of the band portion positioned in the second band region. A first fixing member for fixing the variable sensing tag in contact with the second surface of the band portion is provided, and on the first surface of the band portion located in the first band region or the third band region, the tag portion is the band portion A second fixing member for fixing to the can be provided.

Meanwhile, any one of the second surface and the first fixing member of the band portion positioned in the first band region may be a velcro loop, and the other may be a velcro hook.

In some embodiments, the tag unit includes: a substrate; a sensor unit disposed on the first surface of the substrate and configured to sense a signal from the subject; an antenna unit disposed on the substrate to receive wireless power from the reader and transmit the sensing information of the sensor unit to the reader; a first protective layer formed on the first surface of the substrate to cover at least a partial area of the sensor unit and the antenna unit; and a tag fixing member formed on the first protective layer to fix the tag part to the first surface of the band part.

In some embodiments, the tag part further includes a second protective layer covering a second surface opposite to the first surface of the substrate, and the thermal conductivity of the second protective layer is the thermal conductivity of the first protective layer. can be higher.

The variable sensing tag according to the embodiments of the present invention is excellent in detachability and wearing comfort when in use, and can secure sensing accuracy and communication stability, and also has excellent storability when not in use.

In addition, each temperature tag includes a unique ID, so if an individual uses it, the measurement history can be managed. That is, when managing the body temperature of many people, it is possible to distinguish and manage the body temperature of many people with a unique ID.

Furthermore, it transmits measurement time, body temperature, measurement location, unique ID, etc. at once in conjunction with a smartphone, without arbitrarily modifying or omitting measurement data, the user environment is free, and anyone can easily measure body temperature. By measuring using a smartphone terminal, it is possible to manage the history of the measured temperature and to fundamentally block data processing. In addition, since data is stored at the same time as body temperature measurement, there is no need for separate record management.

1 and 2 are diagrams for exemplarily explaining a state of use of a variable sensing tag according to some embodiments of the present invention.
3 is a schematic diagram of a variable sensing tag according to some embodiments of the present invention.
4 is a plan view of a band portion of a variable sensing tag according to some embodiments of the present invention.
5 is a plan view schematically illustrating a tag part of a variable sensing tag according to some embodiments of the present invention, and FIG. 6 is a cross-sectional view taken along line A-A' of FIG. 4 .
7 is a view for explaining a variable sensing tag according to some other embodiments of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Advantages and features of the present invention and methods of achieving them will become apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments published below, but can be implemented in various different forms, and only these embodiments make the publication of the present invention complete, and common knowledge in the art to which the present invention pertains It is provided to fully inform those who have the scope of the invention, and the present invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout.

Unless otherwise defined, all terms (including technical and scientific terms) used herein may be used with the meaning commonly understood by those of ordinary skill in the art to which the present invention belongs. In addition, terms defined in a commonly used dictionary are not to be interpreted ideally or excessively unless clearly defined in particular.

In addition, in this specification, the singular form may also include a plural form unless otherwise specified in the phrase. As used herein, "comprises" and/or "comprising" refers to the presence of one or more other components, steps, operations and/or elements mentioned. or addition is not excluded.

Hereinafter, a case in which the sensing tag of the present invention is a body temperature tag will be described as a specific example for clarity of explanation, but the present invention is not limited thereto. For example, when a temperature sensor, which will be described later, is replaced with a blood pressure measuring sensor, the sensing tag may be a blood pressure sensing tag.

Furthermore, in the present specification, a case in which the sensing tag is a bio-tag for sensing a user's bio-signal (such as body temperature) will be described as a representative example, but the use of the sensing tag of the present invention is not limited thereto. For example, the sensing tag may be used by being mounted on a product or case for temperature management of a specific product, or may be mounted in a specific space for temperature management of a specific space.

1 and 2 are diagrams for exemplarily explaining a usage state of a variable sensing tag according to some embodiments of the present invention, FIG. 3 is a schematic diagram of a variable sensing tag according to some embodiments of the present invention, and FIG. 4 is a plan view of the band portion of the variable sensing tag according to some embodiments of the present invention.

Specifically, FIGS. 1 (a) and 2 (a) show the coupling structure of the variable sensing tag 500 in a state of being mounted on the human body, and FIGS. 1 (b) and 2 (b) are views of the human body The coupling structure of the variable sensing tag 500 in a separated and stored state is schematically shown.

The variable sensing tag 500 of the present invention is mounted on a subject (eg, human body) to sense a signal (eg, body temperature) from the subject, it can be stably mounted on the subject, and the signal In a state in which sensing is not performed, it has a variable structure that is easy to store and store. Hereinafter, it is representatively described that the variable sensing tag 500 is mounted on the user's body (eg, wrist, forearm, ankle, etc.) to sense biometric information such as body temperature, but the variable sensing tag 500 of the present invention Of course, the usefulness of this is not limited thereto.

1 to 4 , the variable sensing tag 500 may include a band part 500b and a tag part 500a detachably fixed to the first surface of the band part 500b.

The band portion 500b may include at least one folded region and a plurality of band regions partitioned by the folded region.

Taking the three-step structure of the variable sensing tag 500 shown in FIGS. 1 to 4 as a specific example, the band part 500b includes a first fold area FA1 and a second fold area FA2, and the band part 500b ) is a first band area 500b_1 located on one side with respect to the first folded area FA1, and a second band area 500b_2 located on the other side opposite to the one side with respect to the second folded area FA2. and a third band region 500b_3 positioned between the first folded region and the second folded region.

On the first surface of the band unit 500b located in the second band region 500b_2, at least a partial region is in contact with the second surface of the band unit 500b located in the first band region 500b_1, and the variable sensing tag 500 is fixed A first fixing member 520_1 for fixing it may be provided.

In addition, a second fixing member 520_2 for fixing the tag part 500a to the band part 500b may be provided on the first surface of the band part 500b located in the third band region 500b_3 . Specifically, the second fixing member 520_2 may be coupled to the tag fixing member 510 provided on the upper surface of the tag part 500a and fix the tag part 500a to the band part 500b.

In the mounted state (FIGS. 1 (a) and 2 (a)), the band portion 500b of the variable sensing tag 500 may be rolled and fixed to surround the user's wrist. That is, in the mounted state, the variable sensing tag 500 may be rolled so that the first surface of the band portion 500b on which the tag portion 500a is disposed becomes the inner surface in contact with the user's wrist.

At this time, in order to maintain the rolled state of the band portion 500b, the first fixing member 520_1 is provided on the first surface (inner surface) of one end (the second band region 500b_2) of the band portion 500b and , the first fixing member 520_1 may be attached to the second surface (outer surface) of the other end of the band portion 500b (the first band region 500b_1).

On the other hand, the first fixing member 520_1 may be provided on the second surface (outer surface) of the first band region 500b_1 of the band portion 500b, unlike the one illustrated. In this case, the first fixing member 520_1 is attached to the first surface (inner surface) of the second band region 500b_2 of the band portion 500b to fix the rolled band portion.

In some embodiments, each of the fixing members 520_1 , 520_2 , and 510 and the band portion 500b of the region to which the first fixing member 520_1 is attached may be a loop or a hook of Velcro. .

As a specific example, the first fixing member 520_1 is a Velcro hook, and at least a portion of the band portion 500b attached to the first fixing member 520_1 (specifically, the first band portion 500b_1) is located in the band portion The outer surface) may be configured with a Velcro loop.

In addition, the second fixing member 520_2 may be any one of a Velcro hook and a Velcro loop, and the tag fixing member 510 may be the other one. On the other hand, when the tag fixing member 510 is a Velcro hook and the inner surface of the band portion is configured as a Velcro loop, the second fixing member 520_2 may be omitted.

In the mounted state, the tag part 500a may be fixedly disposed on the inner surface (first surface) of the rolled band part 500b and directly or indirectly contact the user's wrist to sense the user's body temperature.

More specifically, the sensor unit 550 (refer to FIGS. 5 to 6) such as a body temperature sensor provided in the tag unit 500a is connected to an antenna unit (544, see FIGS. 5 to 6) such as a loop antenna, such as a smartphone, etc. It is driven by the power supplied from the reader (not shown) of the , the user's body temperature is measured using the supplied power, and the measured result can be transmitted to the reader through the antenna unit 544 .

In addition, the tag unit 500a is assigned a unique ID for each tag, so that it is possible to manage measurement histories for a plurality of users. That is, when managing the body temperature of many people, it is possible to distinguish and manage the body temperature of many people with a unique ID. Furthermore, information such as the sensed body temperature is transmitted to the management server together with the measurement time, measurement location, unique ID, etc. in connection with the smart phone, so that the measurement data may not be arbitrarily modified or omitted. In other words, it is possible to manage the history of measurement temperature by measurement using a smartphone terminal, and data processing is fundamentally blocked. Moreover, since data is stored at the same time as body temperature measurement, there is no need for separate record management.

The variable sensing tag 500 in a state in which the variable sensing tag 500 is removed from the user's body, etc. and is being stored (hereinafter referred to as the storage state) is the same as that shown in FIGS. 1 (b) and 2 (b). Likewise, it may be folded and fixed at least once based on the folded areas FA1 and FA2.

Taking the three-tiered variable sensing tag 500 shown in FIGS. 1 to 4 as a specific example, the first band region 500b_1 overlaps the third band region 500b_3 based on the first folded region FA1. After being folded so that the second band area 500b_2 overlaps with the third band area 500b_3 and the folded first band area 500b_1 with respect to the second folded area FA2, it may be folded and fixed.

5 is a plan view schematically illustrating a tag part 500a of a variable sensing tag according to some embodiments of the present invention, and FIG. 6 is a cross-sectional view taken along line A-A' of FIG. 4 .

5 to 6 , the tag unit 500a includes a substrate 530 , a circuit unit 542 , an antenna unit 544 , a sensor unit 550 , a first protective layer 560 , and a tag fixing member 510 . ) may be included. For clarity of explanation, the protective layers 560 and 570 and the tag fixing member 510 are not shown in the plan view of FIG. 5 .

The substrate 530 is preferably a flexible printed circuit board (FPCB) so that the variable sensing tag 500 is rolled as described with reference to FIGS. 1 to 2 and mounted on a user. For example, the substrate 530 may be a flexible FPCB including polyimide (PI), polyethylene terephthalate (PET), glass epoxy (GE), and the like, and the FPCB is the one shown in the present invention. It may be a substrate formed with various layer structures of various materials such as, but not limited to, FCCL (Flexible Copper Clad Laminate), COVERLAY, PREPREG, and KAPTON.

Meanwhile, in this specification, a case in which the substrate 530 is a flexible PCB is described as an example, but the substrate may be a hard PCB.

The circuit unit 542 and/or the antenna unit 544 may be a conductive thin film, such as aluminum or copper, patterned on the substrate 530 by a method such as pressing, plating, or etching. The circuit unit 542 and the antenna unit 544 may be electrically connected to each other, and the circuit unit 542 may include a sensor unit 550 .

The sensor unit 550 may be, for example, a body temperature sensor, but is not limited thereto. The sensor unit 550 is driven by power supplied from a reader (not shown) such as a smartphone through the antenna unit 544, measures the user's body temperature using the supplied power, and returns the measured result to the antenna unit ( 544) to the reader.

The antenna unit 544 may include an antenna coil unit that generates induced electromotive force by collecting energy transmitted from a reader such as a smartphone, and the antenna coil unit includes one or more capacitors for frequency matching required for wireless power transmission and communication. may be included.

The antenna unit 544 transmits power supplied from a reader such as a smartphone to the sensor unit 550 through short-range wireless communication when there is a request for temperature measurement from a reader such as a smartphone, and the sensor unit 550 The sensed value such as the measured temperature can be transmitted to a reader such as a smartphone through short-distance wireless communication. The short-range wireless communication is implemented in various ways such as RFID (radio　frequency　identification), NFC (Near　Field Communication), Bluetooth, Wi-Fi, Zigbee, 　beacon, LoRa (Long Range), etc. Of course, the RFID may include concepts such as low-frequency identification (LFID), high-frequency identification (HFID), and ultrahigh-frequency identification (UHFID).

When the sensing of body temperature by the sensor unit 550 is completed, the sensing information transmitted from the sensor unit 550 to the antenna unit 544 is transmitted from the antenna unit 544 to a reader such as a smartphone through short-range wireless communication. can be

Although not shown, the variable sensing tag 500 is a control unit including a communication protocol such as NFC and RFID in an HF band or UHF band, and an ADC (Analog Digital) that precisely detects a resistance value that varies according to temperature (body temperature, etc.) converter) and the like may be further included.

The first passivation layer 560 may be formed to cover the sensor unit 550 and the antenna unit 544 on the first surface of the substrate 530 , and the first passivation layer 560 may be formed of, for example, polyimide ( PI) and the like, the circuit unit 542 , the sensor unit 550 , and the antenna unit 544 on the substrate 530 can be protected from external physical impact or moisture.

Meanwhile, the tag unit 500a may further include a second protective layer 570 covering the second surface of the substrate 530 (that is, the surface adjacent to the object to be inspected in the mounted state). The second protective layer 570 is i) serves to protect the second surface of the substrate 530 from external physical shock or moisture, ii) as a heat transfer member for transferring the user's body temperature to the sensor unit 550 . role, and iii) a role of enhancing the user's wearability of the variable sensing tag 500 may be performed. To this end, the second passivation layer 570 may have higher thermal conductivity than the first passivation layer 560 , but may be formed of a material that is softer than that of the first passivation layer 560 .

7 is a view for explaining the variable sensing tags 600, 700, and 800 according to some other embodiments of the present invention.

In FIG. 7 , unless otherwise described, tag parts 600a , 700a , 800a and band parts 600b , 700b , 800b are respectively the tag part 500a and the band part 500b described with reference to FIGS. 1 to 6 and They may have the same or similar configuration.

Referring to (a) of FIG. 7 , the band portion 600b of the variable sensing tag 600 may further include a third fixing member 620_3 located on the first surface of the band portion, unlike the above-described band portion 500b. . That is, the band portion 500b includes fixing members 620_1 and 620_3 at both end regions, respectively.

Referring to (b) of Figure 7, the band portion 700b of the variable sensing tag 700 is elongated from one end of the band portion to the other end, unlike the above-described band portion 500b, one fixing member 720. may include A portion of the fixing member 720 serves to fix the tag portion 700a to the band portion 700b, and other portions may serve to fix the mounting state or storage state of the band portion 700b. have.

According to (a) or (b) of FIG. 7 , the user can mount and fix the band unit regardless of the direction.

Referring to FIG. 7C , the band portion 700b of the variable sensing tag 700 may include only one folding area FA, unlike the above-described band portion 500b. In this case, the second fixing member 820_2 for coupling the tag portion 800a to the first band region 800b_1 positioned on one side with respect to the folding area FA is disposed, and the folding area FA is the reference. A first fixing member 820_1 for mounting and fixing the band portion to the second band region 800b_2 located on the other side may be disposed.

A person of ordinary skill in the art related to this embodiment will understand that it can be implemented in a modified form without departing from the essential characteristics of the above description. Therefore, the disclosed methods are to be considered in an illustrative rather than a restrictive sense. The scope of the present invention is indicated in the claims rather than the foregoing description, and all differences within the scope equivalent thereto should be construed as being included in the present invention.

Claims (8)

As a variable sensing tag,
a flexible band portion including at least one folding area having a first surface and a second surface opposite to the first surface; and
and a tag unit detachably fixedly disposed on the first surface of the band unit and in direct or indirect contact with the subject to sense a signal from the subject to communicate with a reader;
The variable sensing tag in a state mounted on the object to be inspected (hereinafter, the mounted state) is rolled such that the first surface of the band part becomes an inner surface in contact with the object and the second surface becomes an outer surface. and fixed,
The variable sensing tag in the state of being removed from the subject and being stored (hereinafter referred to as the storage state) is folded and fixed at least twice based on the folded area,
fixed,
The tag part is:
Board;
a sensor unit disposed on the first surface of the substrate and configured to sense a signal from the subject;
an antenna unit disposed on the substrate to receive wireless power from the reader and transmit the sensing information of the sensor unit to the reader;
a first protective layer formed to cover at least a partial area of the sensor unit and the antenna unit on the first surface of the substrate;
a second protective layer covering a second surface of the substrate opposite to the first surface, the second protective layer having a higher thermal conductivity than that of the first protective layer; and
a tag fixing member formed on the first protective layer to fix the tag part to the first surface of the band part;
the at least one fold area includes a first fold area and a second fold area;
The band portion may include: a first band region positioned at one side with respect to the first folded region; a second band region located on the other side opposite to the one side with respect to the second folded region; and a third band region located between the first folded region and the second folded region,
A first fixing member is provided on the first surface of the band portion located in the second band region, a portion of which is in contact with the second surface of the band portion located in the first band region, and for fixing the variable sensing tag;
A second fixing member for fixing the tag part to the band part is provided on the first surface of the band part located in the first band region or the third band region,
The band portion and the tag fixing member are formed of a velcro loop, and the first fixing member and the second fixing member are formed of a velcro hook.
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