KR20230070996A - A temperature reader logger which periodically senses, logs, and transmits temperature in a low-power method and can be replaced or managed without opening a fresh logistics box, and a fresh logistics box including the same - Google Patents

Abstract

According to embodiments of the present invention, the insulation box provided with a receiving space therein; Endothelial covering the inner space of the insulation box; an outer shell covering the outer surface of the insulation box; a passive sensor tag provided on one side of the insulation box; and a temperature reader logger detachably provided on one side of the envelope so as to be adjacent to the passive sensor tag.

Description

A temperature reader logger capable of periodically sensing, storing, and transmitting temperature in a low-power method and capable of replacement management without opening the fresh distribution box, and a fresh distribution box including the same {A TEMPERATURE READER LOGGER WHICH PERIODICALLY SENSES, LOGS, AND TRANSMITS TEMPERATURE IN A LOW-POWER METHOD AND CAN BE REPLACED OR MANAGED WITHOUT OPENING A FRESH LOGISTICS BOX, AND A FRESH LOGISTICS BOX INCLUDING THE SAME}

The present invention relates to a temperature reader logger, and more particularly, to a temperature reader logger capable of periodically sensing, storing, and transmitting temperature in a low-power method and capable of replacing and managing a fresh distribution box without opening it, and a fresh distribution box including the same. will be.

Various technologies for temperature monitoring of fresh logistics have been proposed, but all of them are satisfied with battery maintenance of temperature sensor, cleaning of distribution box, securing internal temperature of box, securing accuracy of measuring room temperature inside and outside of box, and periodic temperature sensing and management. However, there is a demand for a technology for realizing efficient fresh logistics at a low unit price.

Korean Patent Publication No. 10-2019-0016817 (2019.02.19.) Korean Registered Patent Publication No. 10-1773380 (2017.08.31.)

The present invention has been made to solve the above-described problems, and an object of the present invention is a temperature reader logger capable of periodically sensing, storing, and transmitting temperature in a low-power method and capable of replacement management without opening a fresh distribution box, and including the same We are providing fresh logistics boxes.

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 these problems, the insulation box provided with a receiving space therein; Endothelial covering the inner space of the insulation box; an outer shell covering the outer surface of the insulation box; a passive sensor tag provided on one side of the insulation box; and a temperature reader logger detachably provided on one side of the envelope so as to be adjacent to the passive sensor tag.

The active temperature reader logger may include a detachable unit for attaching and detaching to the fresh distribution box; a first wireless communication module for communicating with the passive sensor tag; a memory for storing a sensing value sensed by the passive sensor tag; A second wireless communication module for performing communication with an external terminal and transmitting the sensing value to the external terminal; and a power supply unit for driving the first and second wireless communication modules.

The passive sensor tag includes a sensor unit that is driven by power received from the temperature reader logger and measures two or more sensed values, receives power and signals from the external reader, and transmits the two or more sensed values to the external reader. It is characterized in that it is a passive multi-channel sensor tag including an antenna unit to do.

The sensor unit includes a first sensor and a second sensor disposed at a location physically separated from the first sensor, and the passive multi-channel sensor tag has a folding area located between the first sensor and the second sensor. It is characterized in that it is folded on the basis.

The first sensor and the second sensor are disposed to face the same direction when the passive multi-channel sensor tag is unfolded, and to face opposite directions when the passive multi-channel sensor tag is folded.

The sensor unit further includes a third sensor disposed to be spaced apart from the first sensor and the second sensor between the first sensor and the second sensor, and the folding area is between the first sensor and the third sensor. It is characterized by being located in.

The first sensor faces the same direction as the second sensor and the third sensor when the passive multi-channel sensor tag is unfolded, and faces the same direction as the second sensor and the third sensor when the passive multi-channel sensor tag is folded. It is characterized in that it is arranged to face the direction.

The substrate on which the sensor chip and the antenna unit are disposed is characterized in that at least a part of the substrate is made of a flexible printed circuit board (FPCB).

The substrate includes a first substrate area where the antenna unit is disposed and a second substrate area extending from the first substrate area, and the first sensor includes the second sensor and the third sensor in the first substrate area. At least one of them is characterized in that disposed in the second substrate area.

The sensor chip includes an operational amplifier (OP-AMP) and an analog-digital converter (ADC) input port, and the circuit unit disposed on the substrate includes a driving voltage node; a first non-variable resistor having one end connected to the driving voltage node; and a second non-variable resistor having one end connected to the driving voltage node and connected in parallel with the first non-variable resistor, wherein the sensor unit has one end in series with the other end of the first non-variable resistor. a first variable resistor connected to the other end of which is grounded; and a second variable resistor having one end connected in series to the other end of the second non-variable resistor and the other end being grounded, wherein the antenna unit connects the other end of the first non-variable resistor to the first variable resistor. a first sensing voltage value measured at a first measurement voltage node located at one of the contact points but connected to the (-) input terminal of the OP-AMP; and a second sensing voltage value measured at a second measurement voltage node located at a contact point between the other end of the second non-variable resistor and one end of the second variable resistor and connected to the (+) input terminal of the OP-AMP. characterized in that ; is transmitted to the external reader.

The circuit unit further includes a third non-variable resistor having one end connected to the driving voltage node and connected in parallel with the first non-variable resistor and the second non-variable resistor, and the sensor unit having one end connected to the third non-variable resistor. A third variable resistor connected in series to the other end of the non-variable resistor and the other end being grounded, wherein the antenna unit is positioned at a contact point between the other end of the third non-variable resistor and one end of the third variable resistor, and the ADC It is characterized in that the third sensing voltage value measured at the third measurement voltage node connected to the input port is further transmitted to the external reader.

In addition, according to some other embodiments of the present invention, a sensor unit including two or more sensors disposed at mutually spaced apart positions that are driven by power received from an external reader to measure two or more sensing values; a sensor chip electrically connected to the sensor unit to receive the two or more sensing values; and an antenna unit that receives power and signals from the external reader and transmits the two or more sensed values to the external reader, wherein at least one sensor of the two or more sensors is wired from a substrate to transmit the sensed values to the external reader. A passive multi-channel sensor tag branching out to an external area is provided.

In addition, according to an embodiment of the present invention, a fresh logistics box equipped with a passive multi-channel sensor tag, comprising: an insulation box having an accommodation space therein; a passive multi-channel sensor tag provided on one side of the insulation box; Endothelial covering the inner space of the insulation box; and an outer shell covering the outer surface of the insulation box, wherein the passive multi-channel sensor tag is driven by power received from an external reader tagged to one side of the outer shell to measure two or more sensing values. A fresh distribution box including a sensor unit and an antenna unit receiving power and signals from the external reader and transmitting the two or more sensed values to the external reader is provided.

The passive multi-channel sensor tag measures the external temperature of the fresh distribution box between a first sensor for measuring the internal temperature of the fresh distribution box between the inner shell and the inner surface of the insulation box and the outer shell and the outer surface of the insulation box. It is characterized in that it includes a second sensor for measuring.

According to the embodiments of the present invention, while precisely sensing the inside and outside temperature of the box with a passive sensor tag that does not have a separate power supply unit, and at the same time having an active temperature reader logger installed on the outside of the box, the fresh logistics temperature is accurately and It can be periodically sensed and managed.

In addition, high reliability can be obtained by monitoring the temperature in the entire process of fresh logistics through tagging of the manager's terminal with a passive sensor tag even in the logistics environment or the reader logger battery discharge state.

Furthermore, since the temperature reader logger is fastened in a detachable structure without opening the box, the internal opening of the distribution box is excluded in a series of processes such as distribution box replacement, battery replacement, etc. can be maintained, and maintenance such as box cleaning can be conveniently performed.

In addition, according to the multi-channel passive sensor tag driven by receiving power by the temperature reader logger of the present invention, it is possible to accurately measure the temperature inside and outside the box at a low cost, and thus it is possible to set and maintain the optimal temperature conditions for each environment of fresh logistics. .

Effects according to the technical spirit of the present disclosure are not limited to the effects mentioned above, and other effects not mentioned will be clearly understood by those skilled in the art from the description below.

1 is a diagram conceptually showing the configuration of a temperature reader and logger according to some embodiments of the present invention.
2 is a view illustratively showing a state in which a temperature reader logger according to some embodiments of the present invention is mounted in a fresh distribution box.
3 to 5 are views for explaining a fresh distribution box including a temperature reader and logger according to some embodiments of the present invention.
6 is a diagram for explaining a passive sensor tag according to some 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 clear with reference to the detailed description of the following embodiments taken in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below and may be implemented in various different forms, only the present embodiments make the disclosure of the present invention complete, and common knowledge in the art to which the present invention belongs. It is provided to completely inform the person who has the scope of the invention, and the present invention is only defined by the scope of the claims. Like reference numbers designate like elements throughout the specification.

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

Also, in this specification, the singular form may also include the plural form unless otherwise specified in the phrase. As used herein, "comprises" and/or "comprising" means that a stated component, step, operation, and/or element is present in the presence of one or more other components, steps, operations, and/or elements. or do not rule out additions.

The sensor tag of the present invention is a passive type sensor tag not equipped with its own power source (for example, a battery), and a single sensor tag can perform a role of sensing and transmitting two or more sensed values to a reader. For example, the sensor tag may be implemented to include a plurality of temperature sensors for respectively measuring the temperatures of two or more different spaces.

1 is a view conceptually showing the configuration of a temperature reader logger according to some embodiments of the present invention, and FIG. 2 is an exemplary view of the temperature reader logger according to some embodiments of the present invention being mounted in a fresh distribution box. , Figures 3 to 5 are views for explaining a fresh logistics box including a temperature reader logger according to some embodiments of the present invention, Figure 6 is a passive sensor according to some embodiments of the present invention It is a drawing for explaining a tag.

1 and 2, the active temperature reader logger 100 includes a body 110, a display unit 120 and a user input unit 130 provided on the front of the body unit 110, and internal battery charging. It may include an external input terminal 140 for the like, and detachable parts 151 and 152 for attaching and detaching to the fresh distribution box.

In addition, although not shown, the active temperature reader logger 100 includes a first wireless communication module for communicating with the passive sensor tag 1000 installed in the fresh distribution box to measure the internal temperature of the fresh distribution box, and a passive sensor. A memory for storing the sensing value sensed by the tag 1000, a second wireless communication module for performing communication with an external terminal and transmitting the sensing value to the external terminal, and the first and second wireless communication modules A power supply unit for driving them may be included.

The active temperature reader/logger 100 periodically transmits wireless power to the passive sensor tag 1000 through the first wireless communication module and periodically receives the sensing value from the passive sensor tag 1000.

Here, the first wireless communication module performs short-range wireless communication with the passive sensor tag 1000 in a frequency band of 100 kHz to 15 MHz, and the second wireless communication module performs wireless communication with the external terminal at 1 GHz to 10 GHz. It is characterized by performing short-range wireless communication or mobile communication in a frequency band of.

For a more specific example, one active temperature reader logger 100 is mounted on a box to be matched 1:1 with one passive sensor tag 1000, and the first wireless communication module of the active temperature reader logger 100 is a passive sensor tag 1000. Wireless power is supplied to the passive sensor tag 1000 through short-range wireless communication (eg, NFC or RFID communication), and accordingly, the temperature value inside and outside the fresh distribution box sensed by the passive sensor tag 1000 can be transmitted. .

That is, the first wireless communication module is a reader module that supplies wireless power to the passive sensor tag 1000 and receives sensing values when the active temperature reader logger 100 performs passive short-range wireless communication with the passive sensor tag 1000. It may be a module that serves as (eg, an NFC reader module).

The second wireless communication module may be, for example, an active short-range wireless communication module (eg, a BLE (Bluetooth Low Energy) module) or a mobile communication module. It may include both a module and a mobile communication module.

That is, the second wireless communication module may be a module for performing communication with a delivery manager terminal, a manager terminal, a management server, etc. without tagging of an external reader.

When the second wireless communication module is a BLE module, at least one active temperature reader/logger 100 may be paired with an external terminal (eg, a smartphone of a delivery driver delivering distribution boxes). That is, the box temperature information collected by the active temperature reader logger 100 provided in each of the plurality of boxes can be collected and managed by an external terminal.

The temperature reader logger 100 may transmit a temperature value to an external terminal whenever a temperature value is received from a sensor, or store temperature values for each cycle in a memory and transmit temperature values for a plurality of cycles at once.

The external terminal includes the temperature value received from the temperature reader logger 100, external terminal information other than temperature (eg, time information matched with individual temperature values, GPS information), and other management information (eg, distribution box). My product information, shipping information, etc.) can be collected and transmitted to the management server.

3 to 5, the fresh distribution box 2000 includes an insulation box 2200 having an accommodation space therein and having the sensor tag 1000 described above on one side thereof, and covering the inner space of the insulation box. It may include an inner shell 2300 and an outer shell 2100 covering the outer surface of the insulation box.

The sensor tag 1000 is driven by power received from the active temperature reader logger 100 seated on one side of the outer shell 2100, and the first sensor 1201 is the outer surface of the outer shell 2100 and the insulation box 2200. The external temperature of the fresh distribution box 2000 between, the second sensor 1202 measures the inner lower temperature of the fresh distribution box 2000 between the inner skin 2300 and the inner surface of the insulation box 2200, the third sensor ( 1203 serves to measure the inner upper temperature of the fresh distribution box 2000 between the inner skin 2300 and the inner surface of the insulation box 2200.

Preferably, the outer shell 2100 and the inner shell 2300 may be formed of a material that is thinner than the single box 2200, has high thermal conductivity, and has high flexibility. More preferably, the shell 2100 is preferably made of a material through which electromagnetic fields can pass without interference in order to prevent tagging sensitivity loss or distance loss.

On the other hand, as shown in the figure, a detachable guide capable of attaching and detachably to the temperature reader logger 100 may be provided in an area on one side of the outer skin 2100 and the lid 2400 of the fresh distribution box 2000.

Specifically, the detachable guide includes the first detachable guide 2100G formed on the outer shell 2100 of the box and the lid 2400 so as to integrally extend with the first detachable guide 2100G in a covered state (see FIG. 2). A second detachable guide 2400G formed in 2400 may be included. As shown in the figure, since the temperature reader logger 100 is provided to be fastened to the detachable guide even when the lid of the box is closed, replacement management of the temperature reader logger 100 is possible without opening the distribution box, and accordingly, the temperature reader Even when maintenance of the logger 100 (for example, battery replacement, etc.) is required, the inside of the box is always sealed from the outside, thereby improving fresh logistics reliability.

In addition, the detachable guide is formed to be adjacent to the passive sensor tag 1000, that is, the temperature reader logger 100 is arranged to be close to the antenna unit of the passive sensor tag 1000, so that the temperature reader logger 100 can be used even in a low-power environment. ) and the passive sensor tag 1000, power transmission and/or data transmission can be smoothly performed.

Meanwhile, in the present embodiments, a method in which the detachable parts 152 and 152 of the temperature reader logger 100 slide on the detachable guide of the box and are fitted has been described as an example, but the detachable method is not limited thereto. For example, the temperature reader logger 100 may be fixedly coupled to a region of the box 2000 adjacent to the passive sensor tag 1000 with a magnet or the like. Of course, in this case, avoidance of radio communication interference by magnetism should be considered.

Referring to FIG. 6, the passive multi-channel sensor tag 1000 includes a substrate 1100, a sensor unit 1200 disposed on the substrate to measure two or more sensing values, and electrically connected to the sensor unit to detect two or more sensing values. A sensor chip 1500 for receiving values, an antenna unit 1300 for receiving power and signals from an external reader (not shown) and transmitting two or more sensed values of the sensor unit to an external reader, the sensor unit on the board, A circuit unit 1400 for electrically connecting and controlling the sensor chip and the antenna unit may be included.

The substrate 1100 is preferably a flexible printed circuit board (FPCB) so that the sensor tag 1000 is folded as will be described later and mounted in a fresh distribution box. For example, the substrate 1100 may be a flexible FPCB including polyimide (PI), polyethylene terephthalate (PET), glass epoxy (GE), and the like, and the FPCB may be as shown in the present invention. It is not limited and may be a substrate formed with various layer structures made of various materials such as FCCL (Flexible Copper Clad Laminate), COVERLAY, PREPREG, and KAPTON.

Meanwhile, in the present specification, a case in which the substrate 1100 is a flexible PCB is described as an example, but at least a portion of the substrate may be a hard PCB. For example, a region of the substrate 1100 where the antenna unit 1300 is located (first substrate region 1101) is a hard PCB, and a second substrate region 1102 extending from the first substrate region 1101 is It can also be a flexible PCB.

The antenna unit 1300 and/or the circuit unit 1400 may be a conductive thin film such as aluminum or copper patterned on the substrate 1100 by pressing, plating, corrosion, or the like. Furthermore, extension lines 1601, 1602, and 1603 extending from the circuit unit 1400 to each of the sensors 1201, 1202, and 1203, which will be described later, are also conductive formed together with the antenna unit 1300 and/or the circuit unit 1400. It may be a thin film.

The sensor unit 1200 may perform, for example, a temperature sensing role, but is not limited thereto. The sensor unit 1200 is driven by power supplied from an external reader (not shown) such as a smart phone through the antenna unit 1300, and may transmit a measured result to the reader through the antenna unit 1300.

The sensor unit 1200 may include two or more sensors physically spaced apart from each other. For example, the sensor unit 1200 may include first to third sensors 1201, 1202, and 1203 spaced apart from each other as shown, but in some cases, the first to third sensors 1201, 1202, 1203) may be omitted.

In some embodiments, the first sensor 1201 may measure the external temperature of the fresh distribution box, and the second and third sensors 1202 and 1203 may measure the internal temperature of the fresh distribution box. , but not limited thereto.

On the other hand, the sensor tag 1000 is between the first sensor 1201 and the second sensor 1202, more specifically, as shown in FIGS. 4 to 6, the first sensor 1201 and the third sensor 1203 It may be folded based on the folding area FA located therebetween. As illustrated, the fold area FA may be located in the second substrate area 1102 where the second and third sensors 1202 and 1203 are disposed.

The antenna unit 1300 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 also be included.

The antenna unit 1300 transfers power supplied from a reader such as a smartphone through short-range wireless communication to the sensor unit 1200 when there is a request for temperature measurement from a reader such as a smartphone, and the sensor unit 1200 Sensed values such as the measured temperature may be transmitted to a reader such as a smart phone through short-range wireless communication. The short-distance wireless communication is implemented in various ways such as radio frequency identification (RFID), near field communication (NFC), Bluetooth, WiFi, Zig Bee, beacon, and LoRa (long range). Of course, the RFID may include concepts such as low-frequency identification (LFID), high-frequency identification (HFID), and ultrahigh-frequency identification (UHFID).

Meanwhile, both the sensor unit 1200 and the antenna unit 1300 may be disposed on the front surface of the substrate. That is, the first to third sensors 1201, 1202, and 1203 and the antenna unit 1300 may all be disposed on the same surface of the substrate and face the same direction. Accordingly, the first to third sensors 1201, 1202, and 1203 and the antenna unit 1300 face the same direction when the sensor tag 1000 is unfolded (ie, the state shown in FIG. 1), When the sensor tag 1000 is folded (that is, the state shown in FIGS. 4 to 6 ), the first sensor 1201 faces the second sensor 1202 and the third sensor 1203 in the opposite direction. can be placed.

On the other hand, the substrate 1100 covers at least a portion of at least one surface of the front surface of the substrate on which the first to third sensors 1201, 1202, and 1203 and the antenna unit 1300 are formed and the rear surface opposite to the front surface. A protective layer (not shown) may be formed. The protective layer is formed of, for example, a flexible material such as polyimide (PI) to protect the circuit unit 120, the sensor unit 1200, and the antenna unit 1300 on the substrate 1100 from external physical shock or moisture. can protect

Those skilled in the art related to the present embodiment will be able to understand that it may be implemented in a modified form within a range that does not deviate from the essential characteristics of the above description. Therefore, the disclosed methods are to be considered in an illustrative rather than a limiting sense. The scope of the present invention is shown in the claims rather than the foregoing description, and all differences within the equivalent scope will be construed as being included in the present invention.

Claims (5)

Insulation box equipped with a receiving space inside;
Endothelial covering the inner space of the insulation box;
an outer shell covering the outer surface of the insulation box;
a passive sensor tag provided on one side of the insulation box; and
A fresh logistics box including a; temperature reader logger detachably provided on one side of the envelope so as to be adjacent to the passive sensor tag.
According to claim 1,
The active temperature reader logger,
Detachable unit for attachment and detachment to the fresh distribution box;
a first wireless communication module for communicating with the passive sensor tag;
a memory for storing a sensing value sensed by the passive sensor tag;
A second wireless communication module for performing communication with an external terminal and transmitting the sensing value to the external terminal; and
A fresh logistics box including a power supply unit for driving the first and second wireless communication modules.
According to claim 1,
The passive sensor tag,
Passive type including a sensor unit driven by power received from the temperature reader logger to measure two or more sensed values, and an antenna unit that receives power and signals from the external reader and transmits the two or more sensed values to the external reader Characterized in that it is a multi-channel sensor tag, fresh logistics box.
According to claim 1,
Characterized in that the active temperature reader logger periodically transmits wireless power to the passive sensor tag through the first wireless communication module and periodically receives the sensed value from the passive sensor tag. .
According to claim 1,
The first wireless communication module performs short-range wireless communication with the passive sensor tag in a frequency band of 100 kHz to 15 MHz,
The second wireless communication module is an active temperature reader logger, characterized in that for performing short-range wireless communication or mobile communication with the external terminal in a frequency band of 1 GHz to 10 GHz.

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