Circuit of low-power-consumption Internet of Things terminal type alarm prompt electronic tag

Abstract

The utility model discloses a circuit of a low-power-consumption Internet of Things terminal type alarm prompt electronic tag, and particularly relates to the technical field of Internet of Things, the electronic tag is a movable carrier device, an Internet of Things network terminal is integrated on the electronic tag and is used for displaying and setting parameters in an environment, and when the parameters in the environment change, the electronic tag is connected with the Internet of Things network terminal. An internal GATT service is processed through a Bluetooth wireless communication protocol, according to a GATT service processing result, an alarm module is controlled through an MCU to carry out alarm operation, the alarm module comprises an ink screen unit, a warning lamp unit and a buzzer unit, and the GATT service processing result is transmitted to the alarm module through Bluetooth wireless communication to carry out corresponding alarm operation. Important alarm and warning information is reserved, large sound and light pollution to the environment is avoided, and the use convenience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of Internet of Things, in particular to a circuit of a low-power Internet of Things terminal type alarm prompt electronic tag. Background Art

[0002] With the continuous development of science and technology, IoT terminal alarm prompt electronic tags are often widely used in IoT devices, mainly to achieve intelligent monitoring and management, improve production efficiency and convenience. This kind of electronic tag can communicate with the central system through wireless network, monitor the equipment status and environmental data in real time and issue alarm prompts, which can be used in warehouse management, environmental monitoring, security and other fields.

[0003] However, the existing alarm prompts mainly include two categories: one is the three-color light installed at the source of the alarm device or near it; the other is to display multiple monitoring information in the monitoring center through the communication network. The former has the disadvantage that it is very noisy and is only suitable for places that can tolerate sound and light pollution; the latter requires large investment, high production and maintenance costs, and is inflexible in deployment. It is suitable for monitors with more alarm prompt information placed in the hall or under the supervision of a dedicated person.

[0004] Therefore, when using low-power IoT terminal-type alarm prompt electronic tags, it is necessary to comprehensively consider their interference, investment cost, and ease of deployment, so as to ensure the best results in actual applications. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a circuit for a low-power Internet of Things terminal type alarm prompt electronic tag in response to the current status of the existing technology. The electronic tag is a movable carrier device, which is connected to the Internet of Things network terminal through low-power Bluetooth wireless communication to monitor and warn the set environment, thereby reducing investment costs and improving deployment convenience.

[0006] The technical solution adopted by the utility model to solve the above technical problems is: a circuit of a low-power Internet of Things terminal type alarm prompt electronic tag, the electronic tag is a movable carrier device, which is integrated with:

[0007] The IoT network terminal is used to display the parameters in the set environment. When the parameters in the environment change, they are processed through the GATT service inside the Bluetooth wireless communication protocol. According to the processing result of the GATT service, the alarm module is controlled by the MCU to perform an alarm operation.

[0008] The alarm module transmits the GATT service processing result to the alarm module through Bluetooth wireless communication to perform corresponding alarm operations.

[0009] Furthermore, the alarm module includes an ink screen unit, a warning light unit and a buzzer unit.

[0010] Furthermore, the ink screen unit displays the warning information of the Internet of Things network terminal on the ink screen through Bluetooth wireless communication.

[0011] Furthermore, the warning light unit flashes in a corresponding color according to a result of a Bluetooth wireless communication protocol determination.

[0012] Furthermore, the warning light unit flashes in a corresponding color according to a result of a Bluetooth wireless communication protocol determination.

[0013] Further, the corresponding color flashing operation includes:

[0014] When the IoT network terminal operates normally, the warning light unit flashes green;

[0015] When the IoT network terminal finishes running, the warning light unit flashes red;

[0016] When an error occurs in the operation of the IoT network terminal, the warning light unit flashes yellow.

[0017] Furthermore, the buzzer unit performs an intermittent buzzing operation according to a protocol determination result of the Bluetooth wireless communication.

[0018] Furthermore, the Bluetooth wireless communication protocol compresses the received data size to less than 20 bytes.

[0019] Furthermore, the low-power IoT terminal type alarm prompt electronic tag also includes a battery module, the input end of the battery module is connected to the battery, and the output end is connected to the low-power IoT terminal type alarm prompt electronic tag.

[0020] Further, the MCU comprises a first pin to a sixty-ninth pin, wherein:

[0021] The 20th pin, the 22nd pin and the 23rd pin are connected to the ink screen unit;

[0022] The seventeenth pin is connected to the warning light unit;

[0023] The fifty-first pin is connected to the buzzer unit.

[0024] Furthermore, the ink screen unit transmits data with the MCU via SPI communication.

[0025] Compared with the prior art, the utility model has at least the following beneficial effects:

[0026] (1) The utility model discloses a circuit of a low-power IoT terminal type alarm prompt electronic tag, which uses a low-power Bluetooth wireless communication protocol to monitor the monitoring environment, and transmits the monitoring value to the IoT network terminal via Bluetooth wireless, processes it through the GATT service, and finally transmits the processing result to the MCU via Bluetooth wireless, and controls the electronic tag to perform the corresponding warning operation through the MCU, thereby reducing the cost;

[0027] (2) Using battery modules, no external AC power supply is required, which increases the usage time and provides long-term stable operation functions;

[0028] (3) The electronic tags are controlled accordingly according to the Bluetooth wireless transmission protocol to retain important alarm and warning information, avoid creating loud sound and light pollution in the environment, and improve safety during use.

[0029] (4) The electronic tag is a removable carrier device that can be placed in places visible to the naked eye, such as offices and walls, just like a label, thus improving ease of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is a schematic diagram of the structure of a circuit of a low-power Internet of Things terminal type alarm prompt electronic tag of the utility model;

[0031] Figure 2 This is the circuit schematic diagram of the MCU of the utility model;

[0032] Figure 3 This is a circuit schematic diagram of the ink screen unit of the utility model;

[0033] Figure 4 This is a circuit diagram of the warning light unit of the utility model;

[0034] Figure 5 The utility model is a circuit diagram of the buzzer unit. DETAILED DESCRIPTION

[0035] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0036] In order to reduce cost investment and function consumption, such as Figure 1 As shown, this embodiment provides a circuit of a low-power IoT terminal type alarm prompt electronic tag, the electronic tag is a removable carrier device, on which are integrated:

[0037] The IoT network terminal is used to display the parameters in the set environment. When the parameters in the environment change, they are processed through the GATT service inside the Bluetooth wireless communication protocol. According to the processing result of the GATT service, the alarm module is controlled by the MCU to perform an alarm operation.

[0038] The alarm module transmits the GATT service processing result to the alarm module through Bluetooth wireless communication to perform corresponding alarm operations.

[0039] Place low-power IoT terminal alarm prompt electronic tags in the area to be monitored. Since the electronic tags are removable carriers, they can be placed in places that are visible to the naked eye, such as offices and walls, as conveniently as labels. When working, low-power IoT network terminals can display the parameters in the set environment. When the parameters in the environment change, the sensor will immediately detect the change and process it through the GATT service inside the Bluetooth wireless communication protocol. After the GATT service completes the data analysis, it responds to a processing result through the GATT service according to the processing result of the GATT service, and transmits the relevant data packets to the MCU. The MCU controls the alarm module to perform the alarm operation, thereby reminding the staff to pay attention to the operating status of the IoT terminal equipment and handle it in time. Among them, the alarm module includes an ink screen unit, a warning light unit and a buzzer unit.

[0040] like Figure 2 As shown, the MCU includes the first pin to the sixty-ninth pin, where:

[0041] The first pin is connected to the battery module;

[0042] The third pin and the fourth pin are connected to the clock signal input and output of the external crystal oscillator to establish a stable oscillation loop;

[0043] The fifth pin is the BOOT0 pin, which is used to control the startup and boot process of the microcontroller system;

[0044] The thirteenth and fourteenth pins are reference voltage pins;

[0045] The 20th pin, the 22nd pin and the 23rd pin are connected to the ink screen unit;

[0046] The seventeenth pin is connected to the warning light unit;

[0047] The 31st pin is connected to the antenna module and is used to adjust the frequency by connecting pull-up resistors with different resistance values ​​to match the resonant frequency of the MCU and the antenna;

[0048] The 41st pin to the 44th pin are connected to a switch;

[0049] The fifty-first pin is connected to the buzzer unit.

[0050] Furthermore, the ink screen unit displays the warning information of the IoT terminal on the ink screen of the electronic tag through Bluetooth wireless communication, such as Figure 3 As shown, the ink screen unit includes pins 11 to 124, pins 12 to 14 are connected to pin 20, pin 22 and pin 23 of the single-chip computer through SPI communication, the MCU controls the electrodes of the ink screen, and the ink screen unit transmits data with the MCU through SPI communication, so that the displayed content changes. By sending specific instructions or data to the ink screen, the single-chip computer can update the display content and control the ink screen unit to wake up in a period of 10 seconds, 1 minute or longer to display alarm information.

[0051] Furthermore, if Figure 4 As shown, the warning light unit includes an RGB mode changing resistor and an LED warning light diode, which are connected to the MCU through the seventeenth pin. The LED warning light unit performs color flashing operation according to the judgment result of the Bluetooth wireless communication protocol. The warning light unit adopts the RGB mode. The MCU controls the brightness and combination of the three colors of the warning light unit, which can realize that the LED light presents multiple colors for different indications or prompts. By changing the on-off state and time interval of the warning light unit, flashing effects of different frequencies and modes can be achieved to indicate different alarm levels or information prompts, wherein, when the Internet of Things network terminal is operating normally, the warning light unit flashes green, when the Internet of Things network terminal ends operation, the warning light unit flashes red, and when the Internet of Things network terminal fails to operate, the warning light unit flashes yellow, and the warning light unit used flashes a corresponding number of times according to the setting of the Bluetooth wireless communication protocol, thereby reminding the staff to pay attention to the operating status of the equipment.

[0052] Furthermore, if Figure 5 As shown, the buzzer unit includes a first transistor, the base of the first transistor is connected to the MCU through the fifty-first pin, the electrode of the first transistor is connected to the buzzer, and the buzzer unit performs intermittent chirping operation according to the result of the Bluetooth wireless communication protocol judgment. The MCU can generate sound signals with different tones and loudness by controlling the vibration frequency and duration of the buzzer. By sending a specific control signal to the buzzer, the MCU can trigger the buzzer to make a sound to indicate an alarm or prompt information. The power consumption level of the buzzer unit used is 1mA. According to the setting of the Bluetooth wireless communication protocol, it will beep a corresponding number of times after waking up, and the volume control of the warning sound is controlled according to the protocol.

[0053] Furthermore, the Bluetooth wireless communication protocol compresses the received data size to less than 20 bytes, and the transmitted data will be compressed to a size of less than 20 bytes during the communication process of the IoT network terminal, and effective compression processing is performed to ensure that the data can be transmitted within the size range specified by the communication protocol, thereby improving communication efficiency, saving energy consumption, simplifying system design, and ensuring stable data transmission. The alarm information also includes attributes such as alarm code, UTF8 characters, color, and character size.

[0054] Furthermore, the input end of the battery module is connected to the battery, and the output end is connected to the low-power IoT terminal-type alarm prompt electronic tag. It can be powered independently without the need for an external AC power supply. It can continue to operate for months or even years relying only on No. 5, No. 7 or button batteries, providing users with long-term and stable monitoring and alarm functions.

[0055] In summary, the utility model describes a circuit of a low-power IoT terminal-type alarm prompt electronic tag. The electronic tag is a movable carrier device, on which an IoT network terminal is integrated for displaying parameters in a set environment. When the parameters in the environment change, the internal GATT service of the Bluetooth wireless communication protocol is used for processing, and according to the processing result of the GATT service, the alarm module is controlled by the MCU to perform an alarm operation. The alarm module includes an ink screen unit, a warning light unit and a buzzer unit. The GATT service processing result is transmitted to the alarm module through Bluetooth wireless communication for corresponding warning operations; the set monitoring environment is monitored using a low-power Bluetooth wireless communication protocol, and the monitoring values ​​are transmitted to the IoT wireless through Bluetooth. The network terminal processes the information through the GATT service in the Bluetooth wireless communication protocol, and finally transmits the processing result to the MCU through Bluetooth wireless. The MCU controls the electronic tag to perform the corresponding warning operation. The electronic tag is a movable carrier device and can be placed in offices, walls and other places that are accessible to the naked eye like a label, which improves the convenience of use and reduces the cost. The overall Internet of Things terminal type alarm prompt electronic tag uses a battery module, does not require an external AC power supply, increases the use time, provides long-term and stable operation functions, and performs corresponding control on the individual end according to the Bluetooth wireless transmission protocol, retains important alarm and warning information, avoids creating loud sound and light pollution to the environment, and improves safety during use.

[0056] It should be noted that all directional indications in the present invention (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0057] In addition, in the present invention, the descriptions of "first", "second", "one", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0058] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0059] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0060] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the scope defined by the spirit of the present invention.

Claims

1. A circuit for a low-power IoT terminal type alarm prompt electronic tag, characterized in that: The electronic tag is a removable carrier device, on which are integrated: The IoT network terminal is used to display the parameters in the set environment. When the parameters in the environment change, they are processed through the GATT service inside the Bluetooth wireless communication protocol. According to the processing result of the GATT service, the alarm module is controlled by the MCU to perform an alarm operation. The alarm module transmits the GATT service processing result to the alarm module through Bluetooth wireless communication to perform corresponding alarm operations.

2. The circuit of a low-power Internet of Things terminal type alarm prompt electronic tag as claimed in claim 1, characterized in that: The alarm module includes an ink screen unit, a warning light unit and a buzzer unit.

3. The circuit of a low-power Internet of Things terminal type alarm prompt electronic tag as claimed in claim 1, characterized in that: The low-power Internet of Things terminal type alarm prompt electronic tag also includes a battery module, the input end of the battery module is connected to the battery, and the output end is connected to the low-power Internet of Things terminal type alarm prompt electronic tag.

4. The circuit of a low-power Internet of Things terminal type alarm prompt electronic tag as claimed in claim 1, characterized in that: The MCU comprises a first pin to a sixty-ninth pin, wherein: The 20th pin, the 22nd pin and the 23rd pin are connected to the ink screen unit; The seventeenth pin is connected to the warning light unit; The fifty-first pin is connected to the buzzer unit.

5. A circuit of a low-power Internet of Things terminal type alarm prompt electronic tag as claimed in claim 4, characterized in that: The ink screen unit transmits data with the MCU via SPI communication.

6. A circuit of a low-power Internet of Things terminal type alarm prompt electronic tag as claimed in claim 4, characterized in that: The MCU transmits a control signal to the buzzer unit to perform an intermittent buzzing operation.

7. A circuit of a low-power Internet of Things terminal type alarm prompt electronic tag as claimed in claim 4, characterized in that: The warning light unit includes an RGB mode changing resistor and an LED warning light diode.

8. The circuit of a low-power Internet of Things terminal type alarm prompt electronic tag as claimed in claim 7, characterized in that: The warning light unit includes three brightness combinations, wherein: When the IoT network terminal operates normally, the warning light unit flashes green; When the IoT network terminal finishes running, the warning light unit flashes red; When an error occurs in the operation of the IoT network terminal, the warning light unit flashes yellow.

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