CN214956635U - Intelligent control device for wireless relay array - Google Patents

Intelligent control device for wireless relay array Download PDF

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Publication number
CN214956635U
CN214956635U CN202120630533.3U CN202120630533U CN214956635U CN 214956635 U CN214956635 U CN 214956635U CN 202120630533 U CN202120630533 U CN 202120630533U CN 214956635 U CN214956635 U CN 214956635U
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China
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unit
relay
input
power supply
wireless
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CN202120630533.3U
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Chinese (zh)
Inventor
姚国良
邹志烽
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Suzhou Aijie Intelligent Technology Co ltd
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Suzhou Aijie Intelligent Technology Co ltd
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Abstract

The utility model provides a wireless relay array intelligent control device, includes 2.4GHz wireless module, power voltage stabilization unit, two way isolation input unit, relay control unit, zero cross detection unit, binding post array, the bilateral fluting shell. The relay control unit includes a control circuit part and a plurality of relays. The output port of the processor is connected with the input end of the relay control circuit unit, the output end of the control circuit unit is connected with the coil end of the relay, the contact end of the relay is further connected with the wiring terminal, and the wiring terminal is connected with an external 220V power supply. The zero-crossing detection unit is connected with a 220V power supply externally connected with the wiring terminal, and the output end of the zero-crossing detection unit is connected with an input IO port of the wireless module. The two paths of isolation input units are connected with an external input signal through wiring terminals, and the interior of the isolation input units is connected with an input IO port of the wireless module after being converted through the optical coupler.

Description

Intelligent control device for wireless relay array
Technical Field
The invention relates to the field of wireless networks, in particular to the field of application of the wireless Internet of things industry, and particularly provides an intelligent control device for a wireless relay array.
Background
Along with the continuous development of the internet of things technology and the gradual maturity of industry, the wireless sensor network technology is gradually being promoted and used in each field, and wireless remote control's light electrical apparatus opens and closes and can let hotel guest or house personnel experience the travelling comfort that science and technology brought, conveniently carries out to open and close the light electrical apparatus.
At present, the Zigbee technology of 2.4Ghz is increasingly applied to wireless control in the field of intelligent home due to good networking function, and can realize home products with high intelligent level. However, the existing lamplight electrical appliances on the market are basically powered purely, and do not contain the Zigbee wireless module, even if the wireless module is integrated in the partial lamplight electrical appliance products on the market at present, the wireless control can be performed, but different manufacturers do not have uniform specifications, and effective cluster control and one-key convenient cluster control cannot be achieved, so that the further popularization of the smart home, particularly the Zigbee smart home, is greatly influenced.
The utility model provides an embedded Zigbee module becomes the multi-path relay break-make through changing wireless Zigbee signal, realizes 8 loop equipment independent switch, with opening on the same switch, a key three throw etc to can carry out the more nimble control mode of software configuration, thereby realize the break-make function of wireless Zigbee mode free control multi-path equipment.
Disclosure of Invention
An intelligent control device of a wireless relay array comprises a 2.4GHz wireless module, a power supply voltage stabilizing unit, two paths of isolation input units, a relay control unit, a zero-crossing detection unit, a wiring terminal array and a double-side slotted shell; the 2.4GHz wireless module comprises a wireless transceiver conforming to the IEEE 802.15.4 standard and a processor based on a 51-core, and the relay control unit comprises a control circuit component and a plurality of relays; the output port of the processor is connected with the input end of the relay control circuit unit, the output end of the control circuit unit is connected with the coil end of the relay, the contact end of the relay is further connected with the wiring terminal, and the wiring terminal is connected with an external 220V power supply; the zero-crossing detection unit is connected with a 220V power supply externally connected with a wiring terminal, and is connected with an input IO port of the wireless module through an output end after detecting and extracting signals; the two-path isolation input unit is connected with an external input signal through a wiring terminal, and the inside of the two-path isolation input unit is connected with an input IO port of the wireless module after being converted through an optical coupler.
Furthermore, the power supply voltage stabilizing unit comprises an electrolytic filter capacitor, a 1 st-stage voltage stabilizing unit and a 2 nd-stage voltage stabilizing unit; the 1 st-stage voltage stabilizing unit converts a 12V power supply into a 5V power supply through a linear voltage stabilizing device, and the 2 nd-stage voltage stabilizing unit further converts the 5V power supply into a 3.3V power supply; the 5V power output end is connected with the power supply end of the relay coil and the input end of the 2 nd-level voltage stabilizing unit, and the output end of the 2 nd-level voltage stabilizing unit is connected with the power supply input end of the 2.4GHz wireless module.
Furthermore, the 2.4GHz wireless module comprises 3 half holes which are connected with the bottom plate in a patch mode; the PCB bottom plate area below the antenna area of the module is a rectangular blank, the size of the rectangular blank is consistent with the size of the PCB antenna clear space on the wireless module, and the antenna of the wireless module is arranged on the edge of the PCB bottom plate.
Furthermore, the relay control unit comprises 8 relays and is distributed on 2 sides of the PCB bottom plate, wherein 5 relays are distributed on one side and 3 relays are distributed on the other side.
Furthermore, the two-path isolation input unit comprises 1 3P wiring terminal and 2 optical coupling units; the 3P wiring end comprises 2 input signal ends and 1 ground signal end, the input signal ends are connected with the anode of the optical coupler, and the ground signal ends are connected with the cathode of the optical coupler; the output end of the optical coupler is connected to a 3.3V power supply end through a 10K pull-up resistor and then is further connected with an input port of the processor.
Furthermore, one side of the double-side slotted shell is slotted to accommodate 6 2P wiring terminals, and the other side of the double-side slotted shell is slotted to accommodate 4 2P wiring terminals and 1 3P wiring terminal; the shell is connected by bottom shell and face lid through the lock joint mode.
Drawings
Fig. 1 is a general framework diagram of a wireless relay array intelligent control device.
Fig. 2 is a schematic diagram of a relay control unit.
Fig. 3 is a schematic diagram of a zero crossing detection circuit.
Fig. 4 is a diagram showing a connection structure of a wireless module and a chassis.
Detailed Description
The technical solution will be further explained with reference to the drawings and the specific embodiments.
As shown in fig. 1, an intelligent controller for a wireless relay array, a Zigbee wireless module using a CC2530 Soc processor of TI corporation as a core, includes a wireless transceiver conforming to IEEE 802.15.4 standard and a 51-core single chip microcomputer core. When the wireless transceiver on the wireless module receives an IEEE 802.15.4 frame, the frame is analyzed and then the data is transmitted to the singlechip kernel through the internal bus, and then the singlechip kernel further controls the GPIO output level or returns the input state according to the defined frame specification.
Further, the GPIO port P0_7 of the wireless module is connected to the base of the transistor through a 5.1K resistor, the collector is connected to one of the pins of the relay coil, the other pin of the coil is connected to 12V, and 2 output ports of the relay are respectively connected to the live wire input and the live wire output of the green terminal, as shown in fig. 2. When P0_7 outputs high level, the triode is conducted, the path of the relay coil pin is switched on and the relay is closed, and the green terminal outputs 220V. The other 7 paths of P0_0/P0_1/P0_2/P0_3/P0_4/P0_5/P0_6 are all connected with the Darlington ULN2003 and are controlled by a Darlington circuit, the GPIO of the processor is connected with the input, and the control pin of the relay is connected with the output of the Darlington. Darlington is similar to the triode control circuit, when a certain GPIO outputs high level, the corresponding output pin is conducted to GND, the coil passage of the relay is connected, the relay is closed, and the green terminal outputs 220V.
The device is provided with an optocoupler zero-crossing detection unit, the waveform is rectified through a diode, 220V is input to the input end of the optocoupler through a current limiting resistor consisting of 120K +100K, a 50Hz square wave is output from the output end of the optocoupler, and the output end of the optocoupler is connected to a P0_2 pin of a processor, when the processor receives the square wave, the relay is switched on and off with certain delay time, so that the relay is just close to the zero point of alternating current during operation, and the purpose of prolonging the service life of the relay due to minimum impact is achieved, and the schematic diagram part is shown in figure 3. The positive pole of input signal is connected with the positive pole of opto-coupler through green binding post and 2K resistance, and the negative pole then is connected with the negative pole of opto-coupler, works as a high level signal input, lights the inside emitting diode of opto-coupler behind the current-limiting resistance through 2K, and after emitting diode lighted, the light-operated thyristor of the other end switches on after the photic. And when the thyristor is conducted, the collector outputs high level, and the GPIO connected with the collector receives input and performs corresponding processing.
The three sides of the wireless module are designed to be half holes and are connected with the bonding pads on the bottom plate in a patch mode, as shown in fig. 4. The antenna of the wireless module is a PCB inverted-F antenna, and the clear space of the antenna is a rectangular area. In order to keep good radio frequency performance, the position of the antenna area on the bottom plate is subjected to cutting processing when the PCB is designed, and the distance between the lower edge of the module and the frame line on the lower edge of the bottom plate is larger than 1.5 mm.
The external connection is a plug-in type wiring terminal with the wiring terminal interval of 5.08mm, the external connection is 8 groups of 2P terminals, the relay connection is 1 2P terminal, the power supply connection is 1P terminal, and the input connection is a 3P terminal.

Claims (6)

1. An intelligent control device of a wireless relay array is characterized by comprising a 2.4GHz wireless module, a power supply voltage stabilizing unit, two paths of isolation input units, a relay control unit, a zero-crossing detection unit, a wiring terminal array and a double-side slotted shell; the 2.4GHz wireless module comprises a wireless transceiver conforming to the IEEE 802.15.4 standard and a processor based on a 51-core, and the relay control unit comprises a control circuit component and a plurality of relays; the output port of the processor is connected with the input end of the relay control circuit unit, the output end of the control circuit unit is connected with the coil end of the relay, the contact end of the relay is further connected with the wiring terminal, and the wiring terminal is connected with an external 220V power supply; the zero-crossing detection unit is connected with a 220V power supply externally connected with a wiring terminal, and is connected with an input IO port of the wireless module through an output end after detecting and extracting signals; the two-path isolation input unit is connected with an external input signal through a wiring terminal, and the inside of the two-path isolation input unit is connected with an input IO port of the wireless module after being converted through an optical coupler.
2. The intelligent control device of the wireless relay array according to claim 1, wherein the power supply voltage stabilization unit comprises an electrolytic filter capacitor, a 1 st voltage stabilization unit and a 2 nd voltage stabilization unit; the 1 st-stage voltage stabilizing unit converts a 12V power supply into a 5V power supply through a linear voltage stabilizing device, and the 2 nd-stage voltage stabilizing unit further converts the 5V power supply into a 3.3V power supply; the 5V power output end is connected with the power supply end of the relay coil and the input end of the 2 nd-level voltage stabilizing unit, and the output end of the 2 nd-level voltage stabilizing unit is connected with the power supply input end of the 2.4GHz wireless module.
3. The intelligent control device of a wireless relay array according to claim 1, wherein the 2.4GHz wireless module comprises a 3-edge half hole, and is connected with the bottom plate in a patch mode; the PCB bottom plate area below the antenna area of the module is a rectangular blank, the size of the rectangular blank is consistent with the size of the PCB antenna clear space on the wireless module, and the antenna of the wireless module is arranged on the edge of the PCB bottom plate.
4. The intelligent controller of claim 1, wherein the relay control unit comprises 8 relays and is distributed on 2 sides of the PCB substrate, wherein 5 relays are distributed on one side and 3 relays are distributed on the other side.
5. The intelligent control device of the wireless relay array according to claim 1, wherein the two-way isolation input unit comprises 1 3P wiring terminal and 2 optical coupling units; the 3P wiring end comprises 2 input signal ends and 1 ground signal end, the input signal ends are connected with the anode of the optical coupler, and the ground signal ends are connected with the cathode of the optical coupler; the output end of the optical coupler is connected to a 3.3V power supply end through a 10K pull-up resistor and then is further connected with an input port of the processor.
6. The intelligent control device of a wireless relay array as claimed in claim 1, wherein the double-sided slotted casing is slotted to accommodate 6 2P terminals on one side and 4 2P terminals and 1P 3P terminal on the other side; the shell is connected by bottom shell and face lid through the lock joint mode.
CN202120630533.3U 2021-03-30 2021-03-30 Intelligent control device for wireless relay array Active CN214956635U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120630533.3U CN214956635U (en) 2021-03-30 2021-03-30 Intelligent control device for wireless relay array

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120630533.3U CN214956635U (en) 2021-03-30 2021-03-30 Intelligent control device for wireless relay array

Publications (1)

Publication Number Publication Date
CN214956635U true CN214956635U (en) 2021-11-30

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120630533.3U Active CN214956635U (en) 2021-03-30 2021-03-30 Intelligent control device for wireless relay array

Country Status (1)

Country Link
CN (1) CN214956635U (en)

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