CN218886604U - Internet of things culture dish management system based on NFC and Wi-Fi technology - Google Patents

Abstract

The utility model discloses an Internet of things culture dish management system based on NFC and Wi-Fi technologies, which comprises an Internet of things cloud platform, a wireless router, a tag reader and a plurality of culture dishes; each culture dish is provided with an NFC label; the NFC tag is used for recording information of a corresponding culture dish; the tag reader is used for identifying the NFC tag to acquire information of the corresponding culture dish; and the wireless router is used for establishing communication connection with the Internet of things cloud platform to transmit information of the culture dish.

Description

Internet of things culture dish management system based on NFC and Wi-Fi technology

Technical Field

The utility model belongs to the technical field of biomedical and internet technology and specifically relates to a thing networking culture dish management system based on NFC and Wi-Fi technique is related to.

Background

A petri dish is a laboratory vessel used for microbial or cell culture. In modern biomedical research, related information of manual operation is recorded by attaching a paper label on each culture dish, so that the workload is high, the efficiency is low, and data is volatile or has recording errors. With the development of the internet of things technology, the digital management of the culture dish gradually becomes a trend. One method is to utilize various sensors and network technologies to remotely monitor and operate the culture dish and record relevant operation data; the other method is to stick a high-frequency RFID label on the culture dish, read and write the relevant data of the culture dish in a short distance, and transmit the data to a master control computer.

However, the prior art has the following defects:

(1) The culture dish usually needs to be managed in a centralized way, and due to the large coverage range of signals of the high-frequency RFID technology, the possibility that the label information of the target culture dish can be misread or even can not be obtained exists probably; the master control computer is directly connected with the RFID read-write system, so that the problem of insufficient flexibility in deployment exists, and meanwhile, certain safety risks also exist when the culture dish data is stored in the master control computer.

(2) The culture dish needs different culture environment according to the biological sample of cultivateing, and utilizes thing networking (perception + internet) technique through designing specific culture dish management system, carries out remote monitoring and operation to the culture dish and makes the system too complicated, lacks the flexibility.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model discloses a main aim at utilize NFC and Wi-Fi technique to simplify management system, improve the managerial efficiency.

In order to achieve the above object, the utility model adopts the following technical scheme: the Internet of things culture dish management system based on NFC and Wi-Fi technologies comprises an Internet of things cloud platform, a wireless router, a tag reader and a plurality of culture dishes;

each culture dish is provided with an NFC label; the NFC tag is used for recording information of the corresponding culture dish;

the tag reader is used for identifying the NFC tag to acquire the corresponding information of the culture dish; and the wireless router is used for establishing communication connection with the Internet of things cloud platform so as to transmit the information of the culture dish.

According to the utility model discloses thing networking culture dish management system based on NFC and Wi-Fi technique has following beneficial effect at least: setting an NFC label on each culture dish to record information of the corresponding culture dish; the label reader identifies the corresponding culture dish through the NFC label and establishes communication connection with the Internet cloud platform through the wireless router so as to transmit information of the culture dish. By adopting the technical scheme, the culture dish management system utilizes NFC and Wi-Fi technologies, so that the management system is simplified, and the management efficiency is improved.

According to some embodiments of the present invention, the tag reader comprises a power supply module, a voltage conversion module, a transmission module, a display module, a control module, and an alarm module;

the voltage conversion module is connected with the power supply module, the transmission module, the display module, the control module and the alarm module and is used for processing the voltage output by the power supply module to supply power to the transmission module, the display module, the control module and the alarm module;

the transmission module is used for reading the NFC tag to acquire the corresponding culture dish information and sending the culture dish information to the control module; the communication connection between the control module and the display module is established, so that the information of the culture dish received by the control module is transmitted to the display module; the alarm module is used for driving the alarm module to alarm;

and the display module is used for displaying the information and the alarm information of the culture dish.

According to some embodiments of the invention, the power supply module comprises an internal battery and a charging branch for charging the internal battery.

According to some embodiments of the present invention, the charging branch comprises a charging chip U4, a transient voltage suppression diode D5, a first light emitting diode LED7 and a second light emitting diode LED8;

a power supply pin VCC of the charging chip U4 is connected with the USB interface VUSB and is grounded in parallel through a sixteenth capacitor C62 and a sixteenth capacitor C64; a grounding pin GND of the charging chip U4, a battery temperature detection input end pin TEMP and a radiating fin position pin EP are grounded; a monitoring pin PROG of the charging chip U4 is grounded through a fourteenth resistor; a chip initial energy input pin CE of the charging chip U4 is connected with the USB interface VUSB; a charging state indication pin CHRG of the charging chip U4 is connected to a cathode of the first light emitting diode LED7 through a fifteenth resistor R45, and an anode of the first light emitting diode LED7 is connected to the USB interface VUSB; a battery charging completion indication pin STDBY of the charging chip U4 is connected to the cathode of the second light emitting diode LED8 through a seventeenth resistor R47, and the anode of the second light emitting diode LED8 is connected to the USB interface VUSB; the battery connection pin BAT of the charging chip U4 is connected to the positive electrode VBAT + of the internal battery and is grounded in parallel through a sixteenth capacitor C65, a sixteenth capacitor C66 and the transient voltage suppression diode D5.

According to some embodiments of the invention, the voltage conversion module comprises a voltage boost branch and a voltage buck branch; the input end of the boosting branch circuit is connected with the output end of the built-in battery and is used for boosting the voltage VBAT output by the built-in battery to a first voltage VUP for output; the input end of the voltage reduction branch circuit is connected with the output end of the voltage boosting branch circuit, and the voltage reduction branch circuit is used for reducing the voltage of the first voltage VUP output by the voltage boosting branch circuit to the second voltage VCC output.

According to some embodiments of the invention, the boost branch comprises a boost chip U5, a schottky diode D4 and a fifth inductance L5;

a power supply pin VCC of the boost chip U5 is used as an input end of the boost branch circuit and connected with an output end of the built-in battery, the power supply pin VCC of the boost chip U5 is connected with an enable control pin EN of the boost chip U5 through a fifty-th resistor R50, and the power supply pin VCC of the boost chip U5 is grounded in parallel through a seventy capacitor C70 and a seventy-first capacitor C71; the current limiting pin OC of the boost chip U5 is grounded through a forty-sixth resistor R46; a power switch output pin LX of the boost chip U5 is connected to a power supply pin VCC of the boost chip U5 through a fifth inductor L5, the power switch output pin LX of the boost chip U5 is connected to an anode of the schottky diode D4, a cathode of the schottky diode D4 serves as an output end of the boost branch to output the first voltage VUP, and a cathode of the schottky diode D4 is grounded in parallel through a sixteenth capacitor C67, a sixtieth-eight capacitor C68 and a sixtieth-nine capacitor C69; the grounding pin GND of the boosting chip U5 is grounded; an inverting input pin FB of the boosting chip U5 is connected with the cathode of the Schottky diode D4 through a fifth eleventh resistor R51, and the inverting input pin FB of the boosting chip U5 is grounded through a fifth twelfth resistor R52.

According to some embodiments of the present invention, the voltage-reducing branch comprises a voltage-reducing chip U6 and a sixth inductor L6;

an enable control pin EN of the voltage reduction chip U6 is connected with the output end of the boosting branch circuit through a nineteenth resistor R59; the grounding pin GND of the voltage reduction chip U6 is grounded; one end of the sixth inductor L6 is connected to the inductor pin LX of the buck chip U6, and the other end of the sixth inductor L6 serves as an output end of the buck branch to output the second voltage VCC; the other end of the sixth inductor L6 is grounded in parallel through a seventeenth capacitor C77, a seventy-ninth capacitor C79 and an eighty-second capacitor C82; an input pin IN of the voltage reduction chip U6 is connected with the output end of the voltage boosting branch circuit; the input pin IN of the voltage reduction chip U6 is grounded IN parallel through a seventeenth capacitor C78 and an eightieth capacitor C80; the output feedback pin FB of the voltage reduction chip U6 is connected in parallel to the output end of the voltage reduction branch through a seventy-third capacitor C73 and a fifty-sixth resistor R56, and the output feedback pin FB of the voltage reduction chip U6 is grounded through a sixty resistor R60.

According to some embodiments of the present invention, the transmission module comprises an NFC unit and a Wi-Fi core module unit;

the radio frequency signal of the NFC unit reads and writes the NFC tag through a radio frequency link and an NFC antenna so as to obtain the corresponding information of the culture dish and send the information of the culture dish to the control module;

the Wi-Fi core module unit is used for establishing communication connection between the control module and the display module, so that the information of the culture dish received by the control module is transmitted to the display module to be displayed; and the alarm module is used for driving the alarm module to alarm.

According to some embodiments of the invention, the NFC unit employs an ST25R3911B chip and its peripheral circuits.

According to some embodiments of the invention, the Wi-Fi core module unit employs an ESP32-C3-MINI module.

The invention is described in further detail below with reference to the drawings and the detailed description.

Drawings

FIG. 1 is a block diagram of a system for managing a culture dish according to an embodiment of the present invention;

fig. 2 is a block diagram of a tag reader according to an embodiment of the present invention;

fig. 3 is a schematic circuit diagram of a charging branch according to an embodiment of the present invention;

fig. 4 is a schematic circuit diagram of a voltage conversion module according to an embodiment of the present invention;

fig. 5 is a schematic circuit diagram of an NFC unit according to an embodiment of the present invention;

fig. 6 is a schematic circuit diagram of a Wi-Fi core module unit according to an embodiment of the present invention;

fig. 7 is a schematic circuit diagram of a display module according to an embodiment of the present invention;

fig. 8 is a schematic circuit diagram of a control module according to an embodiment of the present invention;

fig. 9 is a circuit schematic diagram of an alarm module of an embodiment of the invention.

Reference numerals:

the wireless charging system comprises a power supply module 10, a built-in battery 11, a charging branch 12, a voltage conversion module 20, a boosting branch 21, a voltage reduction branch 22, a transmission module 30, an NFC unit 31, a Wi-Fi core module unit 32, a display module 40, a control module 50 and an alarm module 60

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that, in relation to the orientation description, the terms "central, longitudinal, transverse, length, width, thickness, upper, lower, front, rear, left, right, vertical, horizontal, top, bottom, inner, outer, circumferential, radial, axial" and the like indicate orientations or positional relationships based on those shown in the drawings, which are merely for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered as limiting the present invention.

In the description of the present invention, a plurality of meanings are one or more, a plurality of meanings are two or more, and the terms greater than, smaller than, exceeding, etc. are understood as excluding the number, and the terms greater than, lower than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "disposed," "arranged," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

An internet of things petri dish management system based on NFC and Wi-Fi technologies according to an embodiment of the present invention is described below with reference to fig. 1 to 9.

As shown in FIG. 1, according to the utility model discloses thing networking culture dish management system based on NFC and Wi-Fi technique, including thing networking cloud platform, wireless router, label reader and a plurality of culture dish. The Internet of things middleware is used for receiving and managing label data information through the Internet, and meanwhile, a northbound interface is opened based on an RESTFUL architecture, so that application expansion is facilitated; in the application, the middleware of the Internet of things is responsible for data transmission and communication, and provides access control, data security, webSocket connection management and the like of a tag reader; the wireless router is a universal wireless router product supporting IEEE802.11n and above version protocols; each culture dish is provided with an NFC label; the NFC tag is used for recording information corresponding to the culture dish, and in the application, the information of the culture dish includes but is not limited to information of microorganisms or cells in the culture dish and operation information of a worker on the culture dish; the label reader is used for identifying the culture dish; the label reader identifies the corresponding culture dish through the NFC label and establishes communication connection with the Internet cloud platform through the wireless router so as to transmit information of the culture dish. After the internet cloud platform receives the information of the culture dish, the information of the culture dish is recorded and stored, and the information of the culture dish can be displayed through a mobile phone and the like.

As shown in fig. 2, in some embodiments of the present invention, the tag reader mainly includes a power supply module 10, a voltage conversion module 20, a transmission module 30, a display module 40, a control module 50 and an alarm module 60 in hardware. The voltage conversion module 20 processes the voltage output by the power supply module 10 to supply power to the transmission module 30, the display module 40, the control module 50 and the alarm module 60; the transmission module 30 is configured to read the NFC tag to obtain information of a corresponding culture dish and send the information of the culture dish to the control module 50; and is used for establishing a communication connection between the control module 50 and the display module 40, so that the information of the culture dish received by the control module 50 is transmitted to the display module 40; and is used for driving the alarm module 60 to alarm; the display module 40 is used for displaying information and alarm information of each culture dish.

As shown in fig. 2, in some embodiments of the present invention, the power supply module 10 includes an internal battery 11 and a charging branch 12 for charging the internal battery 11. In the application, the tag reader carries a built-in battery 11 with the capacity of 2000mWh so as to provide power supply support for the stable operation of the tag reader; the external device may be connected to the charging branch 12 through the USB interface to charge the internal battery 11, thereby increasing the usage time of the tag reader.

Specifically, as shown in fig. 3, the charging branch 12 includes a charging chip U4, a transient voltage suppression diode D5, a first light emitting diode LED7, and a second light emitting diode LED8; the charging chip U4 adopts a chip model TP4056, and the chip is provided with a battery temperature detection input end pin TEMP, a monitoring pin PROG, a grounding pin GND, a power supply pin VCC, a battery connection pin BAT, a battery charging completion indication pin STDBY, a charging state indication pin CHRG, a chip initial energy input pin CE and a radiating fin position pin EP; the model used for the transient voltage suppression diode D5 is tpesd9l5.0st5g.

A power supply pin VCC of the charging chip U4 is connected with the USB interface VUSB and is grounded in parallel through a sixth twelve capacitor C62 and a sixty-four capacitor C64; a grounding pin GND, a battery temperature detection input end pin TEMP and a radiating fin position pin EP are grounded; the monitoring pin PROG is grounded through a fourteenth resistor; a chip initial energy input pin CE is connected with a USB interface VUSB; the charging state indication pin CHRG is connected with the cathode of the first light-emitting diode LED7 through a fifteenth resistor R45, and the anode of the first light-emitting diode LED7 is connected with the USB interface VUSB; the battery charging completion indication pin STDBY is connected with the cathode of the second light-emitting diode LED8 through a fourth seventeenth resistor R47, and the anode of the second light-emitting diode LED8 is connected with the USB interface VUSB; for differentiation, in the present application, the first light emitting diode LED7 is a red light emitting diode, and the second light emitting diode LED8 is a green light emitting diode; the battery connection pin BAT is connected to the positive electrode VBAT + of the built-in battery 11 and is grounded in parallel via a sixteenth capacitor C65, a sixteenth capacitor C66 and a transient voltage suppression diode D5.

As shown in fig. 2, in some embodiments of the present invention, the voltage conversion module 20 includes a voltage boosting branch 21 and a voltage dropping branch 22. The input end of the boosting branch 21 is connected to the output end of the internal battery 11, and is configured to boost the voltage VBAT output by the internal battery 11 to a first voltage VUP (5V) for output; the input end of the voltage-reducing branch 22 is connected to the output end of the voltage-boosting branch 21, and is configured to reduce the first voltage VUP (5V) output by the voltage-boosting branch 21 to a second voltage VCC (3.3V) for output.

Specifically, as shown in fig. 4, the boost branch 21 includes a boost chip U5, a schottky diode D4, and a fifth inductor L5; the booster chip U5 is provided with a chip model FP6291LB-G1, a power switch output pin LX, a grounding pin GND, an inversion input pin FB, an enable control pin EN, a power supply pin VCC and a current limit pin OC; the schottky diode D4 is of the type SS24.

A power supply pin VCC of the boost chip U5 is used as an input end of the boost branch 21 and connected with an output end of the built-in battery 11, meanwhile, the power supply pin VCC is connected with the enable control pin EN through a fifty-th resistor R50, and the power supply pin VCC is grounded in parallel through a seventy capacitor C70 and a seventy-first capacitor C71; the current limit pin OC is grounded through a forty-sixth resistor R46; the power supply switch output pin LX is connected to the power supply pin VCC through a fifth inductor L5, meanwhile, the power supply switch output pin LX is connected to the anode of the schottky diode D4, the cathode of the schottky diode D4 serves as the output end of the boost branch 21 to output the first voltage VUP (5V), and meanwhile, the cathode of the schottky diode D4 is grounded in parallel through a sixteenth capacitor C67, a sixtieth capacitor C68 and a sixtieth capacitor C69; a grounding pin GND of the boosting chip U5 is grounded; the inverting input pin FB is connected to the cathode of the schottky diode D4 through the fifth eleventh resistor R51, and the inverting input pin FB is grounded through the fifth twelfth resistor R52.

Specifically, as shown in fig. 4, the buck branch 22 includes a buck chip U6 and a sixth inductor L6; the voltage reduction chip U6 adopts a chip model SY8088IAAC, and the chip is provided with an enabling control pin EN, a grounding pin GND, an inductance pin LX, an input pin IN and an output feedback pin FB.

An enable control pin EN of the voltage reduction chip U6 is connected with the output end of the voltage boosting branch 21, namely the cathode of the Schottky diode D4, through a nineteenth resistor R59; the grounding pin GND is grounded; one end of the sixth inductor L6 is connected to the inductor pin LX of the buck chip U6, and the other end of the sixth inductor L6 serves as the output end of the buck branch 22 to output the second voltage VCC; the other end of the sixth inductor L6 is grounded in parallel through a seventeenth capacitor C77, a seventy-ninth capacitor C79 and an eighty-second capacitor C82; the input pin IN is connected with the output end of the boosting branch 21; the input pin IN is grounded IN parallel through a seventeenth capacitor C78 and an eightieth capacitor C80; the output feedback pin FB is connected in parallel to the output terminal of the step-down branch 22 through a seventy-third capacitor C73 and a fifty-sixth resistor R56, and at the same time, the output feedback pin FB is grounded through a sixty-sixth resistor R60.

As shown in fig. 2, in some embodiments of the present invention, the transmission module 30 includes an NFC unit 31 and a Wi-Fi core module unit 32.

Specifically, as shown in fig. 5, the NFC unit 31 employs a ST25R3911B chip of TI (texas instruments) and its peripheral circuits, and ST25R3911B is a highly integrated NFC initiator/HF reader IC, including Analog Front End (AFE) and a highly integrated data frame system, which includes a low power capacitive sensor, and can be used to detect the presence of a card without turning on the reader magnetic field, which is very suitable for low power applications. In this application, the radio frequency signal of the NFC unit 31 completes reading and writing of the NFC tag on each culture dish through the radio frequency link and the NFC antenna. The power supply pin VDD of the ST25R3911B chip is connected to the output terminal of the boost branch 21 through the third inductor L3, and the high level pin VDD _ IO of the ST25R3911B chip is connected to the output terminal of the buck branch 22.

Specifically, as shown in fig. 6, the Wi-Fi core module unit 32 adopts an ESP32-C3-MINI module, which is a general Wi-Fi and bluetooth low energy module, has a small volume and rich peripheral interfaces, and can be used in the fields of smart home, industrial automation, medical care, consumer electronics, and the like. The Wi-Fi core module unit 32 is mainly used for communicating with the control module 50 to complete information control and management of the NFC label, and simultaneously supports Wi-Fi connection to realize networking display and control of related equipment information and control signals; the Wi-Fi core module unit 32 can also complete the visual display of key information and states through the display module 40; the Wi-Fi core module unit 32 can also drive the alarm module 60 to alarm.

An ESP32-C3-MINI module is internally provided with an onboard Wi-Fi antenna, so that basic configuration and communication of Wi-Fi can be realized, and basic interfaces such as a buzzer and a key are externally connected; the ESP32-C3-MINI module completes data exchange with the control module 50 through the UART1, meanwhile, the GPIO is used for achieving a soft reset function of the control module 50, and compiling, debugging and firmware updating are achieved through the UART 0. The power supply pin of the ESP32-C3-MINI module is connected with the output end of the voltage reduction branch 22, and the ESP32-C3-MINI module adopts 3.3V power supply.

As shown in fig. 7, in some embodiments of the present invention, the display module 40 includes an LED display screen and its peripheral circuits, the power supply pin of the LED display screen is connected to the output end of the voltage-reducing branch 22, and the LED display screen is powered by 3.3V. The size of the LED display screen is 128cmX64cm. The LED display screen is connected with the Wi-Fi core module unit 32, specifically, signal receiving pins (D0, D1) of the LED display screen are respectively connected with signal sending pins (IO 1, IO 2) of the ESP32-C3-MINI module, and are used for receiving information of each culture dish transmitted by the control module 50 through the ESP32-C3-MINI module and displaying the state of each culture dish.

As shown in fig. 8, in some embodiments of the present invention, the control module 50 includes a low power consumption MCU and its peripheral circuits, and the low power consumption MCU adopts an STM32L4 series chip. The power supply pin of the low-power consumption MCU is connected with the output end of the voltage reduction branch 22, and the low-power consumption MCU adopts 3.3V power supply. The SPI1 of the low-power consumption MCU communicates with the NFC unit 31 to receive the information of each culture dish read and written by the NFC unit 31; the UART1 of the low-power consumption MCU is in data communication with the Wi-Fi core module unit 32 so as to transmit the received information of each culture dish to the LED display screen for display through the Wi-Fi core module unit 32; the UART2 of the low-power consumption MCU can realize the on-line debug function; and an ST-LINK interface reserved by the low-power-consumption MCU can complete firmware burning updating, and an LED lamp is reserved to realize NFC state indication.

As shown in fig. 9, in some embodiments of the present invention, the alarm module 60 includes a buzzer BU and a driving circuit thereof. The driving circuit comprises a ninth transistor Q9, a second triode Q2 and a second diode D2; the ninth transistor Q9 is a MOS transistor with model No. AO 3401A.

The drain D of the ninth transistor Q9 is connected to the output end of the step-down branch 22 through a nineteenth resistor R19; the grid G of the ninth transistor Q9 is connected with the IO2 pin of the ESP32-C3-MINI module; a source S of the ninth transistor Q9 is connected with a base B of the second triode Q2 through a twenty-seventh resistor R27; the base electrode B of the second triode Q2 is grounded in parallel through a twenty-eighth resistor R28 and a fifty-third capacitor C53; an emitter E of the second triode Q2 is grounded; a collector C of the second triode Q2 is connected with the negative electrode of the buzzer BU; the positive electrode of the buzzer BU is connected with the output end of the voltage reduction branch 22, and the positive electrode of the buzzer BU is connected with the collector C of the second triode Q2 in parallel through the second diode D2 and the fifty-second capacitor C52.

Compared with the existing culture dish management system, the Internet of things culture dish management system based on the NFC and Wi-Fi technology has the advantages of being high in tag identification accuracy, flexible in system architecture, portable, supporting cloud data storage and management and the like.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (10)

1. An Internet of things culture dish management system based on NFC and Wi-Fi technologies is characterized by comprising an Internet of things cloud platform, a wireless router, a tag reader and a plurality of culture dishes;

each culture dish is provided with an NFC label; the NFC tag is used for recording information of the corresponding culture dish;

the tag reader is used for identifying the NFC tag to acquire the corresponding information of the culture dish; and the wireless router is used for establishing communication connection with the Internet of things cloud platform so as to transmit the information of the culture dish.

2. Culture dish management system according to claim 1, wherein the tag reader comprises a power supply module (10), a voltage conversion module (20), a transmission module (30), a display module (40), a control module (50) and an alarm module (60);

the voltage conversion module (20) is connected with the power supply module (10), the transmission module (30), the display module (40), the control module (50) and the alarm module (60), and is used for processing the voltage output by the power supply module (10) to supply power to the transmission module (30), the display module (40), the control module (50) and the alarm module (60);

the transmission module (30) is used for reading the NFC tag to acquire the information of the corresponding culture dish and sending the information of the culture dish to the control module (50); and a communication link for establishing a communication link between the control module (50) and the display module (40) so that the information of the culture dish received by the control module (50) is transmitted to the display module (40); and is used for driving the alarm module (60) to alarm;

and the display module (40) is used for displaying the information and the alarm information of the culture dish.

3. Culture dish management system according to claim 2, characterized in that the power supply module (10) comprises an internal battery (11) and a charging branch (12) for charging the internal battery (11).

4. Culture dish management system according to claim 3, wherein the charging branch (12) comprises a charging chip U4, a transient voltage suppression diode D5, a first light emitting diode LED7 and a second light emitting diode LED8;

a power supply pin VCC of the charging chip U4 is connected with the USB interface VUSB and is grounded in parallel through a sixteenth capacitor C62 and a sixteenth capacitor C64; a grounding pin GND of the charging chip U4, a battery temperature detection input end pin TEMP and a radiating fin position pin EP are grounded; a monitoring pin PROG of the charging chip U4 is grounded through a fourteenth resistor; a chip initial energy input pin CE of the charging chip U4 is connected with the USB interface VUSB; a charging state indication pin CHRG of the charging chip U4 is connected to a cathode of the first light emitting diode LED7 through a fifteenth resistor R45, and an anode of the first light emitting diode LED7 is connected to the USB interface VUSB; a battery charging completion indication pin STDBY of the charging chip U4 is connected with a cathode of the second light-emitting diode LED8 through a seventeenth resistor R47, and an anode of the second light-emitting diode LED8 is connected with the USB interface VUSB; the battery connecting pin BAT of the charging chip U4 is connected with the positive electrode VBAT + of the built-in battery (11) and is grounded in parallel through a sixteenth capacitor C65, a sixteenth capacitor C66 and the transient voltage suppression diode D5.

5. Culture dish management system according to claim 3, wherein the voltage conversion module (20) comprises a voltage boost branch (21) and a voltage buck branch (22); the input end of the boosting branch circuit (21) is connected with the output end of the built-in battery (11) and is used for boosting the voltage VBAT output by the built-in battery (11) to a first voltage VUP and outputting the voltage VUP; the input end of the voltage reduction branch (22) is connected with the output end of the voltage boosting branch (21) and used for reducing the voltage of the first voltage VUP output by the voltage boosting branch (21) to the second voltage VCC output.

6. Culture dish management system according to claim 5, characterized in that the boost branch (21) comprises a boost chip U5, a Schottky diode D4 and a fifth inductance L5;

a power supply pin VCC of the boost chip U5 is used as an input end of the boost branch (21) and connected with an output end of the built-in battery (11), the power supply pin VCC of the boost chip U5 is connected with an enable control pin EN of the boost chip U5 through a fifty-th resistor R50, and the power supply pin VCC of the boost chip U5 is grounded in parallel through a seventy capacitor C70 and a seventy-first capacitor C71; the current limiting pin OC of the boost chip U5 is grounded through a forty-sixth resistor R46; a power switch output pin LX of the boost chip U5 is connected with a power supply pin VCC of the boost chip U5 through a fifth inductor L5, the power switch output pin LX of the boost chip U5 is connected with an anode of the Schottky diode D4, a cathode of the Schottky diode D4 serves as an output end of the boost branch (21) to output the first voltage VUP, and a cathode of the Schottky diode D4 is grounded in parallel through a sixteenth capacitor C67, a sixty-eighth capacitor C68 and a sixty-ninth capacitor C69; the grounding pin GND of the boosting chip U5 is grounded; an inverting input pin FB of the boosting chip U5 is connected with the cathode of the Schottky diode D4 through a fifth eleventh resistor R51, and the inverting input pin FB of the boosting chip U5 is grounded through a fifth twelfth resistor R52.

7. Dish management system according to claim 5, wherein the voltage reduction branch (22) comprises a voltage reduction chip U6 and a sixth inductor L6;

an enable control pin EN of the voltage reduction chip U6 is connected with the output end of the boosting branch circuit (21) through a nineteenth resistor R59; the grounding pin GND of the voltage reduction chip U6 is grounded; one end of the sixth inductor L6 is connected to the inductor pin LX of the buck chip U6, and the other end of the sixth inductor L6 serves as an output end of the buck branch (22) to output the second voltage VCC; the other end of the sixth inductor L6 is grounded in parallel through a seventeenth capacitor C77, a seventy-ninth capacitor C79 and an eighty-second capacitor C82; an input pin IN of the voltage reduction chip U6 is connected with the output end of the voltage boosting branch (21); the input pin IN of the voltage reduction chip U6 is grounded IN parallel through a seventeenth capacitor C78 and an eightieth capacitor C80; the output feedback pin FB of the voltage reduction chip U6 is connected in parallel with the output end of the voltage reduction branch (22) through a seventy-third capacitor C73 and a fifty-sixth resistor R56, and the output feedback pin FB of the voltage reduction chip U6 is grounded through a sixty-sixth resistor R60.

8. Culture dish management system according to claim 2, wherein the transport module (30) comprises an NFC unit (31) and a Wi-Fi core module unit (32);

the NFC unit (31) reads and writes the NFC tag through a radio frequency link and an NFC antenna by a radio frequency signal to acquire corresponding culture dish information and sends the culture dish information to the control module (50);

the Wi-Fi core module unit (32) is used for establishing communication connection between the control module (50) and the display module (40), so that the information of the culture dish received by the control module (50) is transmitted to the display module (40) for display; and is used for driving the alarm module (60) to alarm.

9. Dish management system according to claim 8, characterized in that the NFC unit (31) employs a ST25R3911B chip and its peripheral circuits.

10. Culture dish management system according to claim 8, characterized in that the Wi-Fi core module unit (32) employs an ESP32-C3-MINI module.

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