Controllable chamber signal detection device based on Bluetooth module

Abstract

The utility model provides a control room sub-signal detection device based on a Bluetooth module, an equipment control device comprises a Bluetooth module, a Cat.1 module and a Redcap module, the Cat.1 module carries out serial port communication with the Redcap module through a UART2RX pin box UART2TX pin, the Cat.1 module is connected with a serial port level conversion circuit, a debugging interface of the Redcap module is connected with the serial port level conversion circuit, and the Redcap module is connected with the serial port level conversion circuit. The Cat.1 module is connected with the Redcap module through the serial port level conversion circuit; a UART0RX pin of the Cat.1 module and a UART0TX pin of the Cat.1 module are connected with the serial port level conversion circuit, the Bluetooth module is connected with the serial port level conversion circuit, and the Cat.1 module is connected with the Bluetooth module through the serial port level conversion circuit; the Cat.1 module reads a 5G signal of the indoor distribution equipment through the Redcap module, and operation and maintenance personnel can be connected with the Bluetooth module through a mobile phone, so that the operation and maintenance personnel can control the indoor distribution equipment through the mobile phone, the working efficiency of operation and maintenance is improved, and ibeacon broadcasting is carried out to carry out indoor positioning when the Bluetooth module is idle.

Description

Technical Field

[0001] The technical field involved in the utility model is the field of indoor distributed equipment control, and in particular, relates to a indoor distributed signal detection device that can be controlled based on a Bluetooth module. Background Art

[0002] Existing distributed indoor monitoring devices mostly rely on 4G LTE networks for remote communication with backend servers. While this technical solution enables remote monitoring and management, it also presents some significant issues and limitations. First, these monitoring devices often require manual wake-up to establish a connection with a mobile app, making it inconvenient for maintenance personnel. When devices are scattered throughout a building, waking each device individually significantly increases maintenance time and labor costs, while also increasing management complexity. Second, reliance on the LTE network can also present practical difficulties. In areas with poor signal coverage, communication instability can occur, impacting the normal operation of the equipment. Furthermore, long-term reliance on 4G networks increases operating costs, hindering overall investment reduction. Furthermore, existing communication solutions present several potential risks. Because the devices are in a dormant state, it is difficult to immediately detect and address any faults or anomalies. This also makes it difficult for maintenance personnel to take timely action in the event of an emergency.

[0003] For example, a patent application with the application number CN202411082956.0 was published on the China Patent Network. In this patent, if the monitoring device is not manually awakened, it needs to be manually awakened to interact with the remote control terminal of the relevant operator. Utility Model Content

[0004] The purpose of this utility model is to solve the problem of inconvenient maintenance of indoor equipment in the prior art, and on this basis, to solve the problem of how to remotely control the indoor equipment and use it for indoor positioning when its control device is in an idle state.

[0005] In order to solve the above problems, the technical solution adopted by the present invention is:

[0006] The UART0_RX pin and UART0_TX pin of the Bluetooth module are connected to the Cat.1 module; the Bluetooth module is connected to the Redcap module through the Cat.1 module; a serial port level conversion circuit is connected between the Bluetooth module and the Cat.1 module, the indoor device is connected to the remote control end through the Bluetooth module, and the remote control end is connected to the indoor device through the Bluetooth module to interact with the indoor device.

[0007] Preferably, when the Bluetooth communication module is disconnected from the remote control terminal, the Cat.1 module monitors the Bluetooth disconnection state through the serial port level conversion circuit connected to the Bluetooth module, and puts the Bluetooth module into a dormant state through the serial port level conversion circuit.

[0008] Preferably, the indoor signal detection device based on a Bluetooth module and controllable according to claim 1 is characterized in that when the Cat.1 is in a dormant state and the remote control terminal remains connected to the Bluetooth module, the remote control terminal wakes up the Cat.1 module through the Bluetooth module to enable the Cat.1 module to work.

[0009] Preferably, when the Bluetooth module is in an idle state, the Bluetooth module sends a connectable broadcast, and the connectable broadcast is a connectable ibeacon broadcast.

[0010] Preferably, the UART0_TX pin of the Cat.1 module is connected to the first end of the resistor R93; the first end of the resistor R93 is connected to the E end of the transistor Q11; the first end of the resistor R92 is connected to the second end of the resistor R93 and both are connected to a voltage of 2.65V; the second end of the resistor R92 is connected to the B end of the transistor Q11; the C end of the transistor Q11 and the first end of the resistor R91 are connected to the BLE_RX pin of the Bluetooth module, and the second end of the resistor R91 is connected to the Bluetooth voltage 2.9V.

[0011] Preferably, the VBAT pin of the Cat.1 module is connected to an impedance; the second end of the capacitor C1, the second end of the capacitor C3, and the second end of the capacitor C5 are all grounded; the first end of the capacitor C1, the first end of the capacitor C3, and the first end of the capacitor C5 are all connected to the impedance; the second end of the capacitor C2 and the second end of the capacitor C4 are both connected to the impedance, and the first end of the capacitor C2 and the first end of the capacitor C4 are both grounded; the impedance is connected to one end of the Zener diode; and the other end of the Zener diode D2 is grounded.

[0012] Preferably, the USB_VBUS pin, USB_DM pin and USB_DP pin of the Cat.1 module are connected to the USB burning and debugging interface module.

[0013] Preferably, the USB_VBU pin, USB_DM pin and USB_DP pin of the Redcap module are connected to the burning interface module.

[0014] The beneficial effects of the present invention are: improving the convenience of operation and maintenance personnel in maintaining indoor equipment, and greatly improving the work efficiency of operation and maintenance personnel in on-site maintenance of indoor equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the Bluetooth module chip pins of the present invention.

[0016] Figure 2 This is a schematic diagram of the pins of the Cat.1 module chip of the present invention.

[0017] Figure 3 This is a schematic diagram of the Redcap module chip pins of the present invention.

[0018] Figure 4 This is a serial port level conversion circuit of the utility model. DETAILED DESCRIPTION

[0019] like Figures 1 to 3 Schematic diagram of chip pins, the Bluetooth communication module is connected to the Cat.1 module, a serial port level conversion circuit is provided between the Bluetooth module and the Cat.1 module, and the Bluetooth communication module is indirectly connected to the Redcap module through the Cat.1 module.

[0020] In some embodiments, when the Bluetooth module is in idle state, it will broadcast ibeacon for indoor positioning when the app is not connected. This ibeacon broadcast function can provide support for indoor positioning and can be used even when the user's smartphone app is not connected to the Bluetooth module.

[0021] Through ibeacon broadcast signals, even if the app is not connected to a Bluetooth device, as long as the phone can receive the surrounding ibeacon signals, it can still determine its approximate location by analyzing these signals. This ibeacon-based indoor positioning solution can provide continuous location tracking even when the app is not connected to a Bluetooth device, bringing a convenient positioning experience to users.

[0022] To ensure that the Bluetooth module remains enabled and continues to broadcast iBeacon beacons when the Cat.1 module is in sleep mode, this design utilizes the RED_EN pin of the Cat.1 module. This pin maintains the Bluetooth module's enable level when the Cat.1 module enters sleep mode, ensuring that the Bluetooth module maintains normal operation and that iBeacon broadcasting does not stop due to the Cat.1 module's sleep mode.

[0023] This design fully utilizes the idle resources of the Bluetooth module, supporting indoor positioning by broadcasting iBeacon beacons at the right time. Even if the host controller housing the Bluetooth module (such as a Category 1 module) is in sleep or low-power mode, as long as iBeacon signals are transmitted regularly, the system can still maintain good positioning performance without significantly affecting overall power consumption.

[0024] A serial port level conversion circuit is connected between the Bluetooth module and the Cat.1 module, and a serial port level conversion circuit is provided between the Cat.1 module and the Redcap module.

[0025] The UART0_TX pin of the Cat.1 module is connected to the first end of the resistor R93; the first end of the resistor R93 is connected to the E end of the transistor Q11; the first end of the resistor R92 is connected to the second end of the resistor R93 and both are connected to a voltage of 2.65V; the second end of the resistor R92 is connected to the B end of the transistor Q11; the C end of the transistor Q11 and the first end of the resistor R91 are connected to the BLE_RX pin of the Bluetooth module, and the second end of the resistor R91 is connected to the Bluetooth voltage of 2.9V.

[0026] The VBAT pin of the Cat.1 module is connected to an impedance; the second end of capacitor C1, the second end of capacitor C3, and the second end of capacitor C5 are all grounded; the first end of capacitor C1, the first end of capacitor C3, and the first end of capacitor C5 are all connected to the impedance; the second end of capacitor C2 and the second end of capacitor C4 are both connected to the impedance, and the first end of capacitor C2 and the first end of capacitor C4 are both grounded; the impedance is connected to one end of a Zener diode; and the other end of the Zener diode D2 is grounded.

[0027] In some embodiments, the relevant operator establishes a Bluetooth connection with the Bluetooth module through the remote control terminal. When the indoor device needs to be awakened, the relevant operator can interact with the Bluetooth module through the remote control terminal so that the indoor device connected to the Bluetooth module is awakened by the Bluetooth module.

[0028] In this IoT system, the Bluetooth communication module plays a key role, mainly in the remote wake-up control of indoor distributed devices.

[0029] Specifically, operators can establish a direct Bluetooth connection with the Bluetooth module through a remote control terminal. Once this connection is established, operators can interact with the Bluetooth module using the remote control terminal. For example, to wake up dormant indoor distributed devices, operators simply send a wake-up command to the Bluetooth module through the remote control terminal. The Bluetooth module will then accurately identify and wake up the associated distributed devices, returning them to normal operation.

[0030] In existing IoT applications, controlling distributed indoor devices often requires manual operation. For example, when certain devices are in sleep or standby mode, operators must physically wake them up using manual buttons, touch screens, or other mechanical methods to restore them to normal operation. This traditional wake-up method is not only inefficient but also consumes significant staff time and energy.

[0031] With the continuous advancement of IoT technology, Bluetooth-based remote wake-up control solutions are gaining widespread adoption. In this IoT system, Bluetooth communication modules play a key role. Operators can establish a direct Bluetooth connection with the Bluetooth module through a remote control terminal, such as a laptop or tablet. Once this Bluetooth connection is established, operators can use the remote control terminal to issue various commands and perform interactive operations on the Bluetooth module. For example, to wake up dormant indoor distributed devices, operators simply send a wake-up command to the Bluetooth module through the remote control terminal. The module then accurately identifies and wakes up the associated distributed devices, returning them to normal operation.

[0032] This Bluetooth-based remote wakeup function, compared to the previous method that required on-site manual intervention, now allows operators to simply issue a wakeup command from the remote control terminal, and the Bluetooth module automatically wakes up all associated indoor devices. This not only significantly improves work efficiency but also greatly reduces the operator's workload. Even for large numbers of indoor devices distributed across different areas, operators can centrally manage their wakeup in batches through the remote control terminal.

[0033] At the same time, the Bluetooth module's precise wake-up command control ensures that connected indoor devices can smoothly transition from sleep to normal operation. Traditional manual wake-up methods are prone to operational errors, resulting in device startup failures. The Bluetooth module accurately identifies each device's wake-up request and issues targeted wake-up commands, ensuring that all connected indoor devices can smoothly transition to normal operation, avoiding potential failures.

[0034] The Bluetooth communication module provides operators with flexible remote wake-up control capabilities for distributed room devices, improving work efficiency and user experience. Compared to traditional manual wake-up methods, the Bluetooth-based remote wake-up solution is not only more convenient but also ensures that all associated distributed room devices can smoothly switch to normal operation, ensuring the stable operation of the entire IoT system.

[0035] In some embodiments, relevant operation and maintenance personnel can connect to the Bluetooth module through the mobile phone app, thereby controlling indoor devices through the mobile phone. Even if the Bluetooth device is not connected to the mobile phone, the Cat.1 module can control the Bluetooth module to broadcast iBeacon and continue to support indoor positioning functions. In this way, even if the user's mobile phone app is not connected to the Bluetooth device, as long as it can receive the surrounding iBeacon signals, it can still analyze and locate the location, providing users with a convenient indoor positioning experience.

[0036] The Cat.1 module can also read 5G signal strength data from the surrounding environment through the Redcap module. The Redcap module's antenna interface is specially designed to ensure excellent wireless signal reception. The Cat.1 module can use serial communication with the Redcap module to collect this 5G signal intelligence, further enhancing the system's perception of the indoor environment.

[0037] The Cat.1 module, serving as the core control unit, communicates bidirectionally with both the Bluetooth module and the Redcap module via serial ports, enabling comprehensive control and monitoring of indoor equipment. To accommodate varying power levels, a dedicated serial port level conversion circuit is incorporated into the circuit to ensure stable and reliable communication between the modules.

[0038] In this system, the Cat.1 module serves as the core control unit, communicating bidirectionally with the Bluetooth module and the Redcap module via multiple serial ports. The Cat.1 module can control and configure the Bluetooth module via the UART0 interface, such as waking it up, detecting its pairing status, and switching operating modes. Furthermore, the Cat.1 module can interact with the Redcap module via the UART2 interface, for example, to read 5G signal data collected by the Redcap module.

[0039] Furthermore, the circuit design takes field maintenance requirements into consideration, providing programmable USB programming interfaces for both Redcap and Cat.1 modules. This allows maintenance personnel to easily upgrade and update firmware via PC-based tools during the development and debugging phases, simplifying subsequent system maintenance.

[0040] The Bluetooth communication module plays a crucial role in this IoT system. First, operators can establish a direct Bluetooth connection with the Bluetooth module through a remote control terminal, such as a laptop or smartphone. Once the connection is established, the operator can use the remote control terminal to perform various configuration and control operations on the Bluetooth module. For example, to wake up indoor distributed devices connected to the Bluetooth module, the operator simply interacts with the Bluetooth module through the remote control terminal, and the Bluetooth module will wake these devices from sleep, meeting the user's remote control needs.

[0041] In addition to remote control capabilities, the Bluetooth module also plays a key role in supporting indoor positioning in this system. Even when the user's mobile app isn't connected to a Bluetooth device, as long as the Bluetooth module is idle, the Cat.1 module can actively control the Bluetooth module to broadcast iBeacon signals. This allows the user's smartphone to detect these iBeacon signals in the surrounding environment, even if the app isn't paired with a Bluetooth device, by analyzing the iBeacon data, to estimate the approximate location of the phone, providing a convenient indoor positioning experience.

[0042] This iBeacon-based indoor positioning solution provides reliable location tracking even when the mobile app is not connected to a Bluetooth device, significantly improving the user experience. The key lies in the Cat.1 module's ability to fully utilize the Bluetooth module's idle resources and control its timely transmission of iBeacon beacons, thereby ensuring the availability of indoor positioning services. Even if the Cat.1 module housing the Bluetooth module enters sleep or low-power mode, as long as iBeacon signals are transmitted regularly, the system can maintain good positioning performance without significantly affecting overall power consumption.

[0043] In addition to remote control and indoor positioning, the Bluetooth module also plays a crucial role in the system, ensuring close collaboration and control with the Category 1 module. As the core control unit of the entire system, the Category 1 module can configure and manage the Bluetooth module through the UART0 interface, performing various functions such as waking the module, detecting its pairing status, and switching operating modes. This bidirectional serial communication mechanism enables the Category 1 module to fully control all functions of the Bluetooth module.

[0044] To ensure smooth serial communication compatibility between the Cat.1 module and the Bluetooth module, which have different voltage levels, a serial level conversion circuit is integrated into the circuit design. Through a combination of transistors and resistors, a smooth conversion between the Cat.1 module's 2.65V voltage level and the Bluetooth module's 2.9V voltage level is achieved, ensuring stable and reliable UART communication between the two.

[0045] In some embodiments, the needs of on-site maintenance and debugging are taken into consideration. Specifically, the Cat.1 module serves as the core control unit, and its USB_VBUS, USB_DM, and USB_DP pins are all connected to a dedicated USB programming and debugging interface module.

[0046] This allows maintenance personnel to easily upgrade and update the Cat.1 module's firmware during the development and debugging phases using PC-based programming tools. Simply connecting a PC to the USB programming and debugging interface module allows for rapid firmware programming and debugging of the Cat.1 module. This significantly simplifies subsequent system maintenance and improves engineers' work efficiency.

[0047] The system's Redcap module also employs a similar design. Its USB_VBUS, USB_DM, and USB_DP pins are also connected to a separate USB programming interface module. This allows maintenance personnel to not only remotely upgrade the Cat.1 module but also conveniently maintain and update the Redcap module's firmware using PC-based tools.

[0048] The present utility model has explained its purpose, technical solutions and beneficial effects in depth through specific embodiments, but these embodiments are only used as examples to demonstrate the application of the invention and do not constitute a limitation on the scope of protection of the present utility model. We explicitly point out that any reasonable modification, equivalent replacement or technical improvement guided by the spirit and principles of the present utility model should be included in the scope of protection of the present utility model. This means that as long as these changes do not deviate from the core idea and basic function of the invention, they should be protected by patent rights. The scope of protection of the present utility model should be broad, including all direct and obvious variants and non-obvious innovations that technical experts can reasonably deduce based on the disclosure of the present utility model. This broad protection is intended to promote further research and development based on the present utility model, while ensuring that its innovation and practicality are fully legally protected.

Claims

1. A Bluetooth module-based controllable indoor signal detection device, characterized in that: The UART0_RX pin and UART0_TX pin of the Bluetooth module are connected to the Cat.1 module; the Bluetooth module is connected to the Redcap module through the Cat.1 module; a serial port level conversion circuit is connected between the Bluetooth module and the Cat.1 module, the indoor device is connected to the remote control end through the Bluetooth module, and the remote control end is connected to the indoor device through the Bluetooth module to interact with the indoor device.

2. The Bluetooth module-based controllable indoor signal detection device according to claim 1, characterized in that: When the Bluetooth communication module is disconnected from the remote control terminal, the Cat.1 module detects the Bluetooth disconnection state through the serial port level conversion circuit connected to the Bluetooth module, and puts the Bluetooth module into a dormant state through the serial port level conversion circuit.

3. The Bluetooth module-based controllable indoor signal detection device according to claim 1, characterized in that: When the Cat.1 is in a dormant state and the remote control terminal remains connected to the Bluetooth module, the remote control terminal wakes up the Cat.1 module through the Bluetooth module to enable the Cat.1 module to operate.

4. A Bluetooth module-controlled indoor signal detection device according to any one of claims 1 to 3, characterized in that: When the Bluetooth module is in an idle state, the Bluetooth module sends a connectable broadcast, which is a connectable ibeacon broadcast.

5. A Bluetooth module-controlled indoor signal detection device according to any one of claims 1 to 3, characterized in that: The UART0_TX pin of the Cat.1 module is connected to the first end of the resistor R93; the first end of the resistor R93 is connected to the E end of the transistor Q11; the first end of the resistor R92 is connected to the second end of the resistor R93 and both are connected to a voltage of 2.65V; the second end of the resistor R92 is connected to the B end of the transistor Q11; the C end of the transistor Q11 and the first end of the resistor R91 are connected to the BLE_RX pin of the Bluetooth module, and the second end of the resistor R91 is connected to the Bluetooth voltage of 2.9V.

6. A Bluetooth module-based controllable indoor signal detection device according to any one of claims 1 to 3, characterized in that: The VBAT pin of the Cat.1 module is connected to an impedance; the second end of capacitor C1, the second end of capacitor C3, and the second end of capacitor C5 are all grounded; the first end of capacitor C1, the first end of capacitor C3, and the first end of capacitor C5 are all connected to the impedance; the second end of capacitor C2 and the second end of capacitor C4 are both connected to the impedance, and the first end of capacitor C2 and the first end of capacitor C4 are both grounded; the impedance is connected to one end of a Zener diode; and the other end of the Zener diode D2 is grounded.

7. A Bluetooth module-based controllable indoor signal detection device according to any one of claims 1 to 3, characterized in that: The USB_VBUS pin, USB_DM pin and USB_DP pin of the Cat.1 module are connected to the USB burning and debugging interface module.

8. A Bluetooth module-based controllable indoor signal detection device according to any one of claims 1 to 3, characterized in that: The USB_VBU pin, USB_DM pin and USB_DP pin of the Redcap module are connected to the burning interface module.

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