An intelligent reel

Abstract

This invention provides an intelligent cable reel, comprising a reel for storing coiled cable. The cable within the reel has a plug for power extraction and an integrated connector for power supply at both ends. The integrated connector houses a monitoring system that detects electrical parameters at the connector and displays these parameters on a screen mounted on the connector. The monitoring system includes a step-down power supply circuit, a power metering module, and an MCU (Microcontroller Unit) chip. The step-down power supply circuit converts the high-voltage electricity from the cable into low-voltage electricity and is electrically connected to the power metering module, the MCU chip, and the display screen. The power metering module and the display screen are also electrically connected to the MCU chip. This intelligent cable reel, with its integrated connector and display screen, allows for direct monitoring of electrical parameters at the connector, enabling real-time confirmation of these parameters. Furthermore, it draws power directly from the high-voltage circuit connected to the cable, eliminating the need for a built-in power supply and making it convenient to use.

Description

Technical Field

[0001] This utility model relates to the field of electrical connection tool technology, specifically to an intelligent cable reel. Background Technology

[0002] Power reels, as auxiliary tools in power supply systems, are often used in temporary power supply scenarios such as construction sites. When workers encounter tool malfunctions while using power tools, the first thing they need to troubleshoot is the power supply. Furthermore, before putting some precision power tools into operation, it is necessary to specifically check whether the electrical parameters of the power supply to the power reel are normal. In the current technology, workers need to use special tools to measure in order to confirm whether the electrical parameters of the power supply to the power reel are normal, which is very inconvenient.

[0003] Therefore, it is necessary to design an intelligent coil that can intuitively monitor electrical parameter information at the coil's plug end. Utility Model Content

[0004] This utility model provides an intelligent coil to solve the problem in the prior art that it is impossible to promptly confirm whether the electrical parameters of the coil power supply are normal.

[0005] To achieve the above objectives, the present invention adopts the following technical solutions:

[0006] A smart cable reel includes a take-up reel for storing cable, with a plug for power access at one end of the cable inside the reel and an integrated plug for power supply at the other end. The integrated plug has a monitoring system integrated inside and a display screen for displaying electrical parameter information installed on the integrated plug.

[0007] The monitoring system includes a step-down power supply circuit, an energy metering module, and an MCU main control chip. The step-down power supply circuit is used to convert the high voltage of the access cable into low voltage. The step-down power supply circuit is electrically connected to the energy metering module, the MCU main control chip, and the display screen.

[0008] The power metering module and the display screen are electrically connected to the MCU main control chip.

[0009] Furthermore, a bracket is fixedly connected to one side of the take-up reel.

[0010] Furthermore, the power supply plug is equipped with a first socket and a second socket, and the electrical parameter information at the first socket and the electrical parameter information at the second socket are both collected by the monitoring system and displayed on the screen.

[0011] Furthermore, the step-down power supply circuit includes a transformer module, a rectifier bridge, a voltage regulator, a first linear voltage regulator, and a second linear voltage regulator connected in sequence. The first and second linear voltage regulators are connected in parallel. The transformer is connected to a cable circuit to convert the 220V voltage into a 12V transition voltage. The 12V transition voltage is rectified by the rectifier bridge and output to the voltage regulator. The voltage regulator steps down the voltage to 5V and outputs it to the first and second linear voltage regulators connected in parallel. The first linear voltage regulator outputs 5V to supply the power metering module, and the second linear voltage regulator outputs 3.3V to supply the main control chip and the display screen.

[0012] Furthermore, a common-film filter is also installed at the front end of the transformer module in the step-down power supply circuit.

[0013] Furthermore, an indicator light is also provided on the integrated connector, and the indicator light is electrically connected to the monitoring system.

[0014] The beneficial effects of this utility model are as follows:

[0015] The intelligent cable reel of this invention features an integrated plug with a display screen, allowing for intuitive monitoring of electrical parameters at the plug. This enables users to confirm electrical parameters at any time and draw power directly from the high-voltage circuit connected to the cable reel, eliminating the need for a built-in power supply and making it convenient to use. Attached Figure Description

[0016] Figure 1 This is a front view of the intelligent coil.

[0017] Figure 2 Schematic diagram of the circuit for obtaining circuit information for the display screen at the tail of the intelligent coil;

[0018] Figure 3 A schematic diagram of the step-down power supply circuit;

[0019] Figure 4 This is the schematic diagram of the MCU main control chip;

[0020] Figure 5 This is a schematic diagram of an electricity metering module;

[0021] Figure 6 This is the schematic diagram of the display screen;

[0022] Figure 7 This is the schematic diagram of a USB module;

[0023] Figure 8 This is the schematic diagram of the reset circuit;

[0024] Figure 9 This is the schematic diagram of a crystal oscillator circuit;

[0025] Figure 10 This is the schematic diagram of the start-up circuit;

[0026] Figure 11 This is the schematic diagram of the indicator light circuit;

[0027] Figure 12 This is the schematic diagram of the programming port circuit;

[0028] Figure 13 This is a schematic diagram of a bypass capacitor circuit.

[0029] Explanation of reference numerals in the attached figures:

[0030] 1. Cable reel; 11. Bracket; 2. Plug; 3. Power supply plug; 31. First socket; 32. Second socket; 33. Display screen. Detailed Implementation

[0031] The specific embodiments of this application will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for illustration and explanation only and are not intended to limit this application.

[0032] like Figure 1 As shown, this utility model first provides an intelligent cable reel, including a take-up reel 1 for storing the cable. One end of the cable in the take-up reel 1 is provided with a plug 2 for power supply, and the other end is provided with an integrated plug 3 for power supply. The integrated plug 3 is equipped with a monitoring system for detecting electrical parameter information (current, voltage, power, etc.) at the plug. The integrated plug 3 is also equipped with a display screen 33 for displaying electrical parameter information.

[0033] As an improved embodiment for easier field use, a bracket 11 is fixedly connected to one side of the take-up reel 1, so that the smart reel can be fixed to the carrier for use via the bracket 11.

[0034] As another improved embodiment for ease of use, a first socket 31 and a second socket 32 ​​are designed on the power supply tail 3, and the electrical parameter information at the first socket 31 and the electrical parameter information at the second socket 32 ​​can be collected by the monitoring system and displayed on the display screen 41.

[0035] As a major intelligent improvement, such as Figures 2-13As shown, the intelligent cable reel monitor 4 of this utility model can draw power from the cable, achieving monitoring of electrical parameters without requiring a built-in power supply. Specifically, the monitor 4 includes a step-down power supply circuit, an energy metering module (PZEM-400T is selected in the specific embodiment shown in the figure), and an MCU main control chip (STM32F103C8T6 is selected in the specific embodiment shown in the figure). The step-down power supply circuit is used to step down the high voltage of the incoming cable and convert it into low voltage, and to power the energy metering module, the MCU main control chip, and the display screen. That is, the step-down power supply circuit is electrically connected to the energy metering module, the MCU main control chip, and the display screen respectively. The energy metering module and the display screen are electrically connected to the MCU main control chip respectively. After the energy metering module obtains the electrical parameter information from the cable ( Figure 5 Pins 8 and 9 of the power metering module can respectively acquire the electrical parameter information of one cable, enabling simultaneous monitoring of the first socket 31 and the second socket 32, and the signal output is sent to the MCU main control chip. Figure 5 The power metering module outputs signals from pins 2 and 3 to... Figure 4 Pins PA9 and PA10 of the MCU main control chip are used to record data in the registers, which are then output to the display screen by the MCU main control chip. Figure 4 The MCU main control chip outputs signals from pins PB6 and PB7 to... Figure 6 Pins 3 and 4 of the display screen.

[0036] Specifically, the step-down power supply circuit includes a transformer module, a rectifier bridge, a voltage regulator, and two linear voltage regulators connected in sequence. The transformer connected to the cable circuit converts the 220V voltage into a 12V transition voltage, which is then rectified by the rectifier bridge and output to the voltage regulator (LM317 is used in the specific embodiment shown in the figure). The voltage regulator steps down the voltage to 5V and outputs it to the first and second linear voltage regulators connected in parallel. The first linear voltage regulator outputs 5V to supply the power metering module, and the second linear voltage regulator outputs 3.3V to supply the main control chip and the display screen (in the specific embodiment shown in the figure, after being stepped down to 5V by the LM317, the first linear voltage regulator 7805 outputs 5V to supply the power metering module, and the second linear voltage regulator AMS1117 outputs 3.3V to supply the MCU main control chip and the display screen).

[0037] In a further improved embodiment, a common-film filter is also provided at the front end of the transformer module in the step-down power supply circuit. Figure 3 The PDMCAT16128-103ML (in Chinese) significantly reduces common-mode interference in high-voltage power grids.

[0038] In another further improved embodiment, the integrated tail 3 is also provided with multiple indicator lights (such as...) that are electrically connected to the monitoring system. Figure 6 and Figure 11As shown, the 3.3V voltage output from the AMS1117 supplies power to two indicator lights. One indicator light is electrically connected to the PA1 pin of the MCU main control chip to indicate the power supply status, and the other indicator light is electrically connected to the PC13-TAMPER-RTC pin to indicate the fault status. They can respectively indicate the power-on status of the integrated connector 3 and issue a reminder when the electrical parameter information is detected to be outside the normal range.

[0039] This utility model's intelligent cable reel, by integrating a connector and mounting a display screen on the connector, allows for intuitive monitoring of electrical parameters at the connector, enabling real-time confirmation of these parameters. Furthermore, it draws power directly from the high-voltage circuit connected to the cable reel, eliminating the need for a built-in power supply and making it convenient to use. The above-described embodiments merely illustrate the implementation of this utility model and should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A smart reel, characterized by, It includes a take-up reel (1) for storing the cable, with a plug (2) for power supply at one end of the cable in the take-up reel (1) and an integrated plug (3) for power supply at the other end. The integrated plug (3) has a monitoring system for detecting electrical parameter information, and a display screen (33) for displaying electrical parameter information is installed on the integrated plug (3). The monitoring system includes a step-down power supply circuit, an energy metering module, and an MCU main control chip. The step-down power supply circuit is used to convert the high voltage of the access cable into low voltage. The step-down power supply circuit is electrically connected to the energy metering module, the MCU main control chip, and the display screen. The power metering module and the display screen are electrically connected to the MCU main control chip.

2. The intelligent reel of claim 1, wherein, A bracket (11) is fixedly connected to one side of the take-up reel (1).

3. The intelligent coil according to claim 1, characterized in that, The power supply plug (3) is provided with a first socket (31) and a second socket (32), and the electrical parameter information at the first socket (31) and the electrical parameter information at the second socket (32) are collected by the monitoring system and displayed on the display screen (33).

4. The intelligent reel of claim 1, wherein, The step-down power supply circuit includes a transformer module, a rectifier bridge, a voltage regulator, a first linear voltage regulator, and a second linear voltage regulator connected in sequence. The first and second linear voltage regulators are connected in parallel. The transformer is connected to a cable circuit to convert the 220V voltage into a 12V transition voltage. The 12V transition voltage is rectified by the rectifier bridge and output to the voltage regulator. The voltage regulator steps down the voltage to 5V and outputs it to the first and second linear voltage regulators connected in parallel. The first linear voltage regulator outputs 5V to supply the power metering module, and the second linear voltage regulator outputs 3.3V to supply the main control chip and the display screen.

5. The intelligent reel of claim 4, wherein, A common-film filter is also installed at the front end of the transformer module in the step-down power supply circuit.

6. The intelligent coil according to claim 4, characterized in that, An indicator light is also provided on the integrated tail (3), and the indicator light is electrically connected to the monitoring system.

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