12-way controller for wireless ad hoc networks
By designing a 12-channel controller for a wireless self-organizing network, the problem of precise automated adjustment in remote equipment control was solved, improving the accuracy of equipment control and operational efficiency, and supporting independent control of multiple relays and the construction of distributed systems.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIAXING FANLIAN COMM TECH CO LTD
- Filing Date
- 2025-07-02
- Publication Date
- 2026-07-28
AI Technical Summary
The existing system cannot perform precise automated adjustments in remote equipment control, resulting in low operational efficiency.
Design a 12-channel controller for a wireless self-organizing network, including a self-organizing network wireless module, a 485 control unit, a button control unit, a dry contact control unit, a relay control unit, an LED indicator unit, and a power supply unit. It connects to each unit through GPIO, supports independent control of multiple relays and the construction of distributed systems, and realizes centralized management.
It improves the accuracy of equipment control and operational efficiency, avoids electrical interference, supports flexible combination control and efficient networking, and enables centralized management.
Smart Images
Figure CN224571385U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of intelligent building technology, specifically to a 12-channel controller for wireless self-organizing networks. Background Technology
[0002] Currently, efficient and intelligent management has become an important means to improve service quality, enhance customer experience, and achieve energy conservation and emission reduction.
[0003] Remote equipment control is a combined application of IT systems and automation control. The automatic control system exposes the electrical switches in the equipment to signal points in the controller, and then controls the switching signals of the equipment through the communication principle of the host computer, thereby realizing remote control and making it convenient for managers to adjust the equipment according to the overall operating parameters.
[0004] In existing technologies, configuration is typically done through a system, followed by manual adjustments. However, existing systems have poor precision in adjusting production capacity, often only allowing for rough classification adjustments rather than precise automated adjustments, thus reducing operational efficiency. Utility Model Content
[0005] The purpose of this invention is to provide a 12-channel controller for wireless self-organizing networks, solving the following technical problems: (1) How to improve operational efficiency by centrally managing and controlling guest room equipment.
[0006] The objective of this utility model can be achieved through the following technical solutions: The 12-channel controller for the wireless self-organizing network includes a self-organizing network wireless module, a 485 control unit, a button control unit, a dry contact control unit, a relay control unit, an LED indicator unit, a power supply unit, and an IO expansion unit; The self-organizing network wireless module is connected to the dry contact control unit, IO expansion unit, LED indicator unit, button control unit, and relay control unit via GPIO; The self-organizing network wireless module is connected to the 485 control unit via UART; The power supply unit provides power to the self-organizing wireless module, the 485 control unit, the button control unit, the dry contact control unit, the relay control unit, the LED indicator unit, and the IO expansion unit.
[0007] Furthermore, the self-organizing wireless module has a three-sided half-hole design and is connected to the circuit board by surface mount soldering; the area of the circuit board below the antenna position of the self-organizing wireless module is a blank rectangular area.
[0008] Furthermore, the IO expansion unit expands to 16 GPIO ports by cascading two 74HC595D chips.
[0009] Furthermore, the dry contact control unit includes 5 independent inputs.
[0010] Furthermore, the 485 control unit includes an RS485 chip, and through protocol interfacing, the 12-channel controller of the wireless self-organizing network can operate in different networks.
[0011] Furthermore, the relay control unit includes 12 independent outputs, each of which is driven by a Darlington chip to switch on and off.
[0012] Furthermore, the power supply unit supports an external 24V input. The 24V input is converted to 12V by a DC-DC chip, to 5V by another DC-DC chip, and further converted to 3.3V by an LDO to power other modules.
[0013] The beneficial effects of this utility model are: (1) The relay control unit in this utility model can realize electrical isolation between the control circuit and the load circuit, avoid mutual interference, and improve the safety and reliability of the circuit. At the same time, through the independent control of multiple relays, it can be flexibly combined according to actual needs to realize individual or collaborative control of different loads. Meanwhile, through the multiple interfaces in the 485 control unit, a distributed system can be built, and multiple sensors, actuators and other devices can be connected to achieve efficient networking, thereby realizing centralized management and improving operational efficiency. Attached Figure Description
[0014] The present invention will be further described below with reference to the accompanying drawings.
[0015] Figure 1 This is a schematic diagram of the framework of the 12-channel controller in this utility model; Figure 2 This is the circuit diagram of the 24-12V power supply unit in this utility model; Figure 3 This is the circuit diagram of the 24-3.3V power supply unit in this utility model; Figure 4 This is the circuit diagram of the dry contact control unit in this utility model; Figure 5 This is a circuit diagram of the self-organizing wireless module in this utility model; Figure 6 This is the circuit diagram of the 485 control unit in this utility model; Figure 7 This is a circuit diagram of the IO expansion unit in this utility model; Figure 8This is a circuit diagram of the LED indicator unit and the button control unit in this utility model; Figure 9 This is the circuit diagram of the relay control unit in this utility model. Detailed Implementation
[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.
[0017] Please refer to the attached diagram. Figures 1-9 As shown, the 12-channel controller of the wireless self-organizing network in this embodiment of the present invention includes a self-organizing network wireless module, a 485 control unit, a button control unit, a dry contact control unit, a relay control unit, an LED indicator unit, a power supply unit, and an IO expansion unit. The self-organizing network wireless module is connected to the dry contact control unit, IO expansion unit, LED indicator unit, button control unit, and relay control unit via GPIO; The self-organizing network wireless module is connected to the 485 control unit via UART; The power supply unit provides power to the self-organizing wireless module, the 485 control unit, the button control unit, the dry contact control unit, the relay control unit, the LED indicator unit, and the IO expansion unit. During operation, the 12-channel controller comprises a housing and two circuit function boards. Each circuit function board further includes a self-organizing wireless module, an I / O expansion unit, a dry contact control unit, a 485 control unit, a relay control unit, a button control unit, an LED indicator control unit, and a power supply unit. The I / O expansion unit connects to four independent GPIO ports of the self-organizing wireless module; the dry contact control unit connects to five independent GPIO ports; the 485 control unit connects to three independent GPIO ports; the relay control unit connects to twelve independent GPIO ports of the I / O expansion unit; the button control unit connects to one independent GPIO port; and the LED indicator control unit connects to one independent GPIO port. The power supply unit's input is connected to an external power supply terminal, its 12V output is connected to the relay control unit, and its 3.3V output is connected to the self-organizing wireless module, the 485 control unit, the button control unit, and the LED indicator control unit. The two circuit function boards are connected via an FPC flexible cable and secured within the housing with eight screws. The self-organizing network intelligent wireless module, model MT31, is a 2.4GHz band wireless sensor network communication module compliant with the IEEE 802.15.4 standard. It is designed with the TLSR8359F52SoC processor chip as its core. It hides the communication chip, external components, and other complex RF-related design processes such as high-frequency wiring, forming a stable communication module with high RF performance. It adopts a three-sided half-hole design layout, and the circuit function board has a surface-mount package for the wireless module, which can be compatible with other types of wireless modules with the same shape package, realizing the functional design of flexible replacement of wireless modules. The MT31 wireless module can be directly soldered onto the PCB board through a half-hole via. A 10uF / 16V 0603-packaged capacitor and a 100nF / 50V 0603-packaged capacitor are connected to the VCC pin for filtering. Five signal lines, namely VCC, GND, PD2, SWS, and RESET, are led out and connected to a 1.5mm*1.5mm circular pad with a 0.8mm via size. The programming interface is arranged with a 2mm spacing for easy software updates and iterations. The I / O expansion unit consists of two cascaded SOP-16 packaged SM74HC595D chips, expanding 16 GPIO ports. The RCK and SCK pins of the two SM74HC595D chips are connected to the PC1 and PC0 ports of the self-organizing wireless module, respectively. The SER pin of the first chip is connected to the PB4 port of the self-organizing wireless module. The Q7' pin of the first chip is connected to the SER pin of the second chip. Pins 13 (G#) of both chips are connected to the PC4 port of the self-organizing wireless module, and are also connected to a 10K pull-up resistor in a 0603 package. Pins 10 (SCLR#) of both chips are each connected to a 10K pull-up resistor in a 0603 package. The VDD pins of both chips are filtered through a 100nF / 50V capacitor in a 0603 package and then connected to 3.3V. The GND pins of both chips are connected to GND. The dry contact control unit includes 5 independent inputs. The dry contact input section uses the ULN2003A in an SOP16 package. Pins 2-6 are connected to external terminals as 6 external inputs; pin 8 is connected to GND; pins 11-15 are connected to the PA1, PD7, PD4, PC6, and PD3 ports of the self-organizing wireless module, respectively. The 485 control unit contains an SP3485 chip in an SOP8 package. Pin 1 is connected to the PB7 port of the self-organizing wireless module; pins 2 and 3 are shorted and connected to the PC5 port of the self-organizing wireless module, along with a 10K pull-down resistor in a 0603 package; pin 4 is connected to the PB1 port of the self-organizing wireless module; pin 5 is connected to GND; pin 8 is connected to 3.3V, along with a 100nF / 50V capacitor in a 0603 package for filtering; pin 6 is connected to a 0603 package... A 10K pull-up resistor is connected to pin 2 of an SOT23-3 packaged TVSPESD12VL2BT, and then connected to an external terminal block. Pin 7 is connected to a 10K pull-down resistor in a 0603 package, and then connected to pin 1 of an SOT23-3 packaged TVSPESD12VL2BT, and then connected to an external terminal block. A 120R resistor in a 0603 package is connected in parallel between pins 6 and 7. Pin 3 of the TVSPESD12VL2BT is connected to GND. The relay control unit contains 12 independent outputs. It uses 12V / 10A relays in a 10.2*18.4mm package and two SOP16 packaged ULN2003A chips for driving. A zero-crossing detection circuit is used to increase the relay's lifespan. The high-voltage contact control terminals of the 12 relays are connected to external terminals, and the low-voltage coil control terminals are connected to 12V. The other ends are connected to pins 10-16 of the first ULN2003A and pins 12-16 of the second ULN2003A. Pins 1-7 of the first ULN2003A are connected to ports Q7, Q6, Q5, Q4, Q1, Q2, and Q3 of the first SM74HC595D I / O expansion unit. Pins 1-4 of the second ULN2003A are connected to the second SM74HC595D I / O expansion unit. On the Q0, Q1, Q2, and Q3 ports of the 95D, pin 5 is connected to the Q0 port of the first SM74HC595D in the IO expansion unit. Pins 8 of the two ULN2003A chips are connected to GND, and pin 9 is connected to 12V. The zero-crossing detection circuit is implemented using an SOP-4-175mil packaged optocoupler LTV-217. A SOD-123FL packaged diode A7 is connected in series with the live wire, followed by a 0805 packaged 100K resistor, then a 0805 packaged 120K resistor, and then connected to pin 1 of the optocoupler LTV-217. Pin 2 of the optocoupler is connected to the neutral wire; pin 3 is connected to GND; and pin 4 is connected to the PD2 port of the self-organizing wireless module, along with a 0603 packaged 10K pull-up resistor and a 0603 packaged 100nF / 50V capacitor for filtering. The button control unit includes an SMD-6.2*6.2 packaged button. Pins 1 and 2 of the button are connected to the PA0 port of the self-organizing wireless module, and are also connected to a 10K pull-up resistor in a 0603 package and a 100nF / 50V filter capacitor in a 0603 package. Pins 3 and 4 of the button are connected to GND. The LED indicator control unit includes a status indicator light. The positive terminal of a red indicator light in a 0603 package is connected in series with a 560R resistor in a 0603 package and then connected to the PA7 port of the self-organizing wireless module; the negative terminal is connected to GND. The power supply unit includes two 24V to 12V DC-DC converters and one 5V to 3.3V LDO. The DC-DC chips used are ESOP-8 packaged RY9430 and ESOP-8 packaged SSP9461. The external 24V positive input is filtered by an SMA packaged Schottky diode SS54 for reverse polarity protection, then by a 100uF / 35V SMD D6.3*L7.7 packaged electrolytic capacitor, and finally by a 100nF / 50V 0603 packaged capacitor before connecting to pin 2 of the DC-DC chip. Pin 7 of the RY9430C chip is shorted to pin 2; pins 4 and 9 are connected to G. ND; Pin 6 is floating; A 100nF / 50V 0805-package capacitor is connected in parallel between pins 1 and 3; A 6.8uH / 3A SMD 6*6mm package inductor is connected in series with pin 3, and after filtering by a 47uF / 25V 1206-package capacitor, the output is 12V; The 12V output is connected to a 120K 0805-package resistor and then to pin 5 of the DC-DC chip. Pin 5 is also connected to a 10K 0805-package pull-down resistor to form a feedback loop. This 12V output powers the relay unit. The input is 24V positive, and a Schottky diode SS54 in an SMA package is used for reverse polarity protection. After connecting, connect to the IN pin of the SSP9461; pull the EN pin up to the IN pin through a 100K resistor in a 0805 package; connect the GND pin to GND; connect a 100nF / 50V capacitor in a 0805 package in parallel between the BST pin and the SW pin; connect a K26 Schottky diode in an SOD-123FL package in parallel between the SW pin and GND, with the negative terminal connected to the SW pin; the output of the SW pin is connected in series with a 15uH inductor in a 5040 SMD package, then through a 10uF / 16V capacitor in a 0805 package, and then through a 220uF / 16V inductor in a D6.3xL7.7mm SMD package. After filtering by the electrolytic capacitor, the output is 5V. The 5V output is connected to the FB pin of the SSP9461 via a feedback loop consisting of a 49.9K resistor in a 0805 package and a 9.53K resistor in a 0805 package. The 5V is then filtered by a 10uF / 16V capacitor in a 0603 package and connected to the Vin pin of the AMS1117-3.3 in an SOT-223-3 package. The GND pin of the AMS1117-3.3 is connected to GND. The Vout pin output is filtered by a 10uF / 16V capacitor in a 0603 package, and then by a 100nF / 50V capacitor in a 0603 package, resulting in an output of 3.3V. like Figure 5 As shown, the self-organizing wireless module has a three-sided half-hole design and is connected to the circuit board by surface mount soldering; the area of the circuit board below the antenna of the self-organizing wireless module is a blank rectangular area. During operation, the self-organizing wireless module includes chip U7, connector P3, resistor R10, capacitor C21, resistor R11, capacitor C19, header P12, and capacitors C10 and C12. Chip U7 is connected to the power supply unit through capacitors C10 and C12; one end of header P12 is connected to the power supply unit, and the other end is grounded; capacitors C10 and C12 are connected in parallel on chip U7, and the other end of capacitor C10 is grounded; one end of resistor R10 is connected to the power supply unit, and the other end is connected in parallel with capacitor C21 and then grounded; one end of resistor R11 is connected to the power supply unit, and the other end is connected in parallel with capacitor C19 and then grounded, and is also connected to the button control unit; one end of connector P3 is connected to the power supply, and the other end is grounded. The three-sided half-hole design is connected to the circuit board by surface mount soldering.
[0018] like Figure 7 As shown, the IO expansion unit expands 16 GPIO ports by cascading two 74HC595D chips. During operation, the IO expansion unit includes chip U5, capacitor C18, resistors R37 and R31, chip U8, capacitor C20, and resistor R38. One end of chip U5 is connected to the power supply unit, and the other end is grounded; one end of capacitor C18 is connected to chip U5, and the other end is grounded; one end of resistor R37 is connected to chip U5, and the other end is connected to the power supply unit; one end of resistor R31 is connected to chip U5, and the other end is connected to the power supply unit; one end of capacitor C20 is connected to chip U8, and the other end is grounded; one end of resistor R38 is connected to chip U8, and the other end is connected to the power supply unit; one end of chip U8 is grounded. The IO expansion unit expands 16 GPIO ports by cascading two 74HC595D chips.
[0019] like Figure 4 As shown, the dry contact control unit contains 5 independent inputs; During operation, the dry contact control unit includes chip U1, one end of which is grounded. The relay control unit contains 12 independent output circuits. For one of these output circuits, output circuit one includes: relay KA1, model HRS3FTH-S-DC12V-A-TV-8, one end of which is connected to the power supply unit. The button control unit includes button K1, one end of which is grounded. The LED indicator unit includes a red LED (LED1) and resistor R4; the red LED (LED1) is connected to resistor R4, and the other end is grounded. The dry contact control unit contains 5 independent inputs, the relay control unit contains 12 independent outputs, and the button control unit and LED indicator control unit can indicate the operating status of the equipment. like Figure 6 As shown, the 485 control unit contains an RS485 chip, and through protocol interfacing, the device can work in different networks; During operation, the 485 control unit includes chip U2, resistor R1, capacitor C2, resistor R2, resistor R3, resistor R4, protection device TV1, and pin header P2. One end of resistor R1 is connected to chip U2, and the other end is grounded; one end of chip U2 is connected to the power supply unit; capacitor C2 is connected in parallel with chip U2; protection device TV1 is connected to chip U2, and the other end is grounded; pin header P2 is connected to the 485 device; resistors R2, R3, and R4 are connected to protection device TV1. It includes an RS485 chip, and through protocol interoperability, the device can work in different networks.
[0020] like Figures 1-5 As shown, the relay control unit contains 12 independent outputs, each of which is driven by a Darlington chip to switch on and off. like Figures 1-5 As shown, the power supply unit supports an external 24V input. The 24V input is converted to 12V through a DC-DC chip, to 5V through another DC-DC chip, and further converted to 3.3V through an LDO to power other modules. During operation, the power supply unit is set with two sets, namely a 24-12V unit and a 24-3.3V unit; the 24-12V power supply unit includes connector P1, diode D1, capacitor EC1, capacitor C4, capacitor C1, capacitor C5, chip U3, capacitor C3, resistor R5, resistor R6, and inductor L1. Connector P1 is connected to chip U3 via diode D1; capacitor EC1 is connected to chip U3 and connector P1; capacitor C1 is connected in parallel with capacitor EC1; inductor L1 is connected to chip U3; capacitor C3 is connected to chip U3; inductor L1 is connected to capacitors C4 and C5; resistors R5 and R6 are connected to chip U3. The 24-3.3V power supply unit includes capacitor C7, resistor R7, chip U4, capacitor C9, diode D3, inductor L2, capacitor C11, resistor R8, resistor R9, capacitor EC3, chip VR2, capacitor C14, capacitor C16, and capacitor C17. One end of capacitor C7 is connected to chip U4; resistor R7 is connected to chip U4; resistors R8 and R9 are connected to chip U4; one end of chip U4 is connected to inductor L2; one end of capacitor C5 is connected to chip U4; diode D3 is connected to inductor L2 and chip U4; one end of capacitor EC3 is connected to the power supply unit, and the other end is grounded; capacitor C11 is connected in parallel with chip U4. Chip VR2 is connected to capacitors C14, C16, and C17. It supports external 24V input. The 24V input is converted to 12V through a DC-DC chip, to 5V through another DC-DC chip, and further converted to 3.3V through an LDO to power other modules.
[0021] The working principle of this utility model is as follows: The IO expansion unit is connected to the four independent GPIO ports of the self-organizing wireless module; the dry contact control unit is connected to the five independent GPIO ports of the self-organizing wireless module; the 485 control unit is connected to the three independent GPIO ports of the self-organizing wireless module; the relay control unit is connected to the twelve independent GPIO ports of the IO expansion unit; the button control unit is connected to the one independent GPIO port of the self-organizing wireless module; the LED indicator control unit is connected to the one independent GPIO port of the self-organizing wireless module; the power supply unit's input terminal is connected to an external power supply terminal, its 12V output terminal is connected to the relay control unit, and its 3.3V output terminal is connected to the self-organizing wireless module, the 485 control unit, the button control unit, and the LED indicator control unit.
[0022] The above description details one embodiment of the present utility model, but it is merely a preferred embodiment and should not be construed as limiting the scope of the present utility model. All equivalent variations and improvements made within the scope of the present utility model application should still fall within the patent coverage of the present utility model.
Claims
1. A 12-channel controller for a wireless self-organizing network, characterized in that, It includes a self-organizing wireless module, a 485 control unit, a button control unit, a dry contact control unit, a relay control unit, an LED indicator unit, a power supply unit, and an I / O expansion unit; The self-organizing network wireless module is connected to the dry contact control unit, IO expansion unit, LED indicator unit, button control unit, and relay control unit via GPIO; The self-organizing network wireless module is connected to the 485 control unit via UART; The power supply unit provides power to the self-organizing wireless module, the 485 control unit, the button control unit, the dry contact control unit, the relay control unit, the LED indicator unit, and the IO expansion unit.
2. The 12-channel controller for a wireless ad hoc network according to claim 1, characterized in that, The self-organizing wireless module has a three-sided half-hole design and is connected to the circuit board by surface mount soldering; the area of the circuit board below the antenna of the self-organizing wireless module is a blank rectangular area.
3. The 12-channel controller for a wireless ad hoc network according to claim 2, characterized in that, The IO expansion unit expands 16 GPIO ports by cascading two 74HC595D chips.
4. The 12-channel controller for a wireless ad hoc network according to claim 3, characterized in that, The dry contact control unit includes 5 independent inputs.
5. The 12-channel controller for a wireless ad hoc network according to claim 4, characterized in that, The RS485 control unit includes an RS485 chip, and through protocol interfacing, the 12-channel controller of the wireless self-organizing network can work in different networks.
6. The 12-channel controller for a wireless ad hoc network according to claim 5, characterized in that, The relay control unit contains 12 independent outputs, each of which is driven by a Darlington chip to switch on and off.
7. The 12-channel controller for a wireless ad hoc network according to claim 6, characterized in that, The power supply unit supports an external 24V input. The 24V input is converted to 12V by a DC-DC chip, then to 5V by another DC-DC chip, and further converted to 3.3V by an LDO to power other modules.