CN211718744U - Dry contact switch based on HPLC communication - Google Patents
Dry contact switch based on HPLC communication Download PDFInfo
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- CN211718744U CN211718744U CN202020466108.0U CN202020466108U CN211718744U CN 211718744 U CN211718744 U CN 211718744U CN 202020466108 U CN202020466108 U CN 202020466108U CN 211718744 U CN211718744 U CN 211718744U
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Abstract
The utility model relates to an intelligent house field discloses a dry contact switch based on HPLC communication, including the control circuit who sets up on the mainboard, control circuit includes host system, power module, carrier communication module, coupling transformer, opto-coupler output module and silicon controlled rectifier control circuit, and power module is used for supplying power to host system, carrier communication module, opto-coupler output module and silicon controlled rectifier control circuit after turning into DC voltage with external commercial power, and host system is used for receiving the dry contact signal, and the break-make of output signal control opto-coupler output module; the control end of the silicon controlled control circuit is connected with the output end of the optocoupler output module, the input end of the silicon controlled control circuit is connected with a live wire of the mains supply, and the output end of the silicon controlled control circuit is connected with a power utilization terminal; the main control module is connected with the carrier communication module, and the carrier communication module is in communication connection with a mains supply power line through a coupling transformer. The utility model discloses a zero live wire access mode, it is compatible good, require lowly to the lamp, do not have little bright and scintillation that single live wire switch exists.
Description
Technical Field
The utility model relates to an intelligence house field, concretely relates to dry contact switch based on HPLC communication.
Background
With the continuous development of smart home technology, smart switches are more and more common in places such as families and hotels. The existing intelligent switch mainly has a single live wire access mode and a zero live wire access mode, the single live wire intelligent switch only needs to access a single live wire without a zero line, and the control of the lamp is realized by controlling the conduction and the closing of the live wire; zero live wire intelligence switch need with zero live wire access, switches on and closes the control that realizes lamps and lanterns through the control live wire. The existing intelligent home is mainly used for carrying out information transmission in a wireless communication and wired communication mode, intelligent control of places such as families, hotels and the like is achieved, wireless communication mainly comprises Bluetooth, WIFI, Zigbee and the like, and wired communication mainly comprises 485 buses, CAN buses and the like.
The above-mentioned currently commonly used solutions mainly have the following problems and disadvantages:
1. the single-live-wire intelligent switch supplies power to the intelligent switch through the power taking module, current flows through the lamp, and if standby input current is too small, the intelligent switch equipment cannot normally run; if standby input current is too big, the filter capacitor voltage in the lamp can be charged to be big enough, thereby the phenomenon of twinkling appears after the lamp is turned off, therefore single live wire intelligence switch compatibility is relatively poor.
2. By using wireless communication, such as Zigbee, Bluetooth, WIFI and the like, the wall penetrating capability is weak, signal coverage dead angles exist, the communication distance is short, and the like, so that the equipment linkage experience is poor; the wire communication is used, the wiring is required to be performed in advance, the cost is high, and the post-installation environment is limited.
3. The existing intelligent switch panel has single appearance and less appearance selection for customers.
Therefore, there is a need to provide a new intelligent switch to solve the drawbacks and shortcomings of the current mainstream intelligent switches.
SUMMERY OF THE UTILITY MODEL
For the actual demand that adapts to intelligent house field, the utility model overcomes the deficiencies that prior art exists, the technical problem that solve is for providing a dry contact switch based on HPLC communication.
In order to solve the technical problem, the utility model discloses a technical scheme be: a dry contact switch based on HPLC communication comprises a control circuit arranged on a mainboard, wherein the control circuit comprises a main control module, a power supply module, a carrier communication module, a coupling transformer, an optical coupler output module and a silicon controlled control circuit, and the power supply module is used for converting an external commercial power into a direct current voltage and then supplying power to the main control module, the carrier communication module, the optical coupler output module and the silicon controlled control circuit; the main control module is used for receiving a dry contact signal and outputting a signal to control the on-off of the optical coupler output module; the control end of the silicon controlled control circuit is connected with the output end of the optocoupler output module, the input end of the silicon controlled control circuit is connected with a live wire of mains supply, and the output end of the silicon controlled control circuit is connected with a power utilization terminal; the communication end of the main control module is connected with the carrier communication module, and the carrier communication module is in communication connection with a mains supply power line through a coupling transformer.
The silicon controlled rectifier control circuit includes a plurality of silicon controlled rectifiers, optical coupling output module includes a plurality of opto-coupler control circuit, the input and the commercial power live wire input of a plurality of silicon controlled rectifiers are connected, and an opto-coupler control circuit's output is connected respectively to the control end, the model of silicon controlled rectifier is: JST08K-800CW, and the model of an optical coupler in the optical coupler control circuit is MOC 3063S.
And ceramic radiating fins are arranged on the surface of the controllable silicon on the mainboard.
The control circuit further comprises a temperature sensor, the temperature sensor is used for measuring the temperature of each silicon controlled rectifier in the silicon controlled rectifier control circuit and sending the temperature to the main control module, and the main control module is used for controlling the corresponding optical coupling output module to be disconnected when the temperature of the silicon controlled rectifiers is larger than 90 degrees.
The power module comprises an AC-DC circuit and a DC-DC circuit, wherein the AC-DC circuit is used for converting alternating current commercial power into 12V direct current, and the DC-DC circuit is used for converting the 12V direct current into 3.3V direct current.
The control circuit further comprises a dry contact input detection circuit and a dry contact input and output interface, wherein a dry contact signal sent by dry contact equipment enters the dry contact input detection circuit through the dry contact input and output interface and is input to the main control module through the dry contact input detection circuit.
The control circuit further comprises a dry contact output circuit, and a dry contact signal output by the main control module is output through the dry contact output circuit and the dry contact input and output interface and is used for outputting a signal to control the switch of the dry node equipment indicator lamp.
ESD protection circuits are arranged between the main control module and the carrier communication module, between the dry contact input detection circuit and the main control module, and between the dry contact output circuit and the dry contact input/output interface.
The dry contact switch based on HPLC communication further comprises a lower shell and an upper shell, wherein the mainboard is arranged in the lower shell, the lower shell is sealed by the upper shell, and one side of the lower shell is provided with a wiring terminal.
The type of the main control module is ES8P5086, and the type of the carrier communication module is ES 1667-NC.
Compared with the prior art, the utility model following beneficial effect has:
(1) the utility model discloses a zero live wire access mode need not to get the electricity from single live wire, realizes the control to lamps and lanterns through control silicon controlled rectifier, and is compatible good, requires lowly to the lamp, does not have the slight bright and scintillation that single live wire switch exists.
(2) The utility model discloses use HPLC (broadband carrier communication) to realize the communication between the different smart machine, need not rewiring, it is with low costs, signal transmission is stable, and transmission distance is far away, does not exist and covers the dead angle problem.
(3) The utility model discloses integrated dry contact module and executor function can realize 2 way lamps and lanterns or other dry contact local/remote control of equipment, and equipment is miniaturized, can put into 86 boxes, has reduced equipment cost, and simultaneously, the user can be according to oneself hobby and room fitment style, and various usable dry contact signal's such as various flush mounting plate of switch, plug-in card electricity equipment, gas alarm of free choice.
Drawings
Fig. 1 is a schematic structural diagram of a dry contact switch based on HPLC communication according to the present invention;
fig. 2 is a schematic circuit diagram of a carrier communication module and a coupling transformer in an embodiment of the present invention;
fig. 3 is a schematic circuit diagram of the thyristor control circuit and the optocoupler output module in the embodiment of the present invention;
fig. 4 is a schematic circuit diagram of a power module according to an embodiment of the present invention;
fig. 5 is a schematic circuit diagram of the dry contact input detection circuit and the dry contact input/output interface according to the embodiment of the present invention;
fig. 6 is a schematic circuit diagram of a dry contact output circuit according to an embodiment of the present invention;
fig. 7 is a schematic circuit diagram of an ESD protection circuit according to an embodiment of the present invention;
fig. 8 is a schematic circuit diagram of a main control module according to an embodiment of the present invention;
fig. 9 is an external view of a dry contact switch based on HPLC communication according to an embodiment of the present invention;
fig. 10 is an installation diagram of a dry contact switch based on HPLC communication according to an embodiment of the present invention.
Detailed Description
In order to make the technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to specific embodiments and accompanying drawings, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, an embodiment of the utility model provides a dry contact switch based on HPLC communication, including setting up the control circuit on the mainboard, control circuit includes host system, power module, carrier communication module, coupling transformer, opto-coupler output module and silicon controlled rectifier control circuit, power module is used for giving after turning into direct current voltage with external commercial power for host system, carrier communication module, opto-coupler output module and silicon controlled rectifier control circuit power supply; the main control module is used for receiving a dry contact signal and outputting a signal to control the on-off of the optical coupler output module; the control end of the silicon controlled control circuit is connected with the output end of the optocoupler output module, the input end of the silicon controlled control circuit is connected with a live wire of mains supply, and the output end of the silicon controlled control circuit is connected with a power utilization terminal; the communication end of the main control module is connected with the carrier communication module, and the carrier communication module is in communication connection with a mains supply power line through a coupling transformer.
In this embodiment, the main control module uses a 32-bit MCU with a shanghai east soft carrier microelectronic model ES8P5086 as a main control, and the MCU has 72KB FLASH, 16KB RAM, and 29I/O. The utility model discloses well institute indicates that the dry contact signal is active dry contact signal, and active dry contact signal indicates that this signal has two states of having electricity and electroless, and is polarized, and two contacts can not connect reversely. The carrier module is an east soft carrier ES1667-NC carrier module, is communicated with the main control module through a serial port, provides a carrier signal channel between strong current and weak current through a coupling transformer, realizes communication with intelligent equipment with a broadband carrier communication function, and further realizes control and scene linkage of the intelligent household equipment.
Fig. 2 is a schematic circuit diagram of the carrier communication module and the coupling transformer in this embodiment. The carrier communication module and the coupling transformer have the functions of: the ES1667-NC carrier module is connected with the main control module through a serial port in an uplink mode to achieve information transmission with the main control module, and the ES1667-NC carrier module couples differential signals to a live wire (L) and a zero wire (N) in a downlink mode through a coupling transformer T2 and a capacitor C19 to transmit the differential signals to the intelligent carrier communication terminal, so that control over carrier communication equipment and scene linkage among the equipment are achieved. In the silicon controlled rectifier control circuit, the silicon controlled rectifier is used as an alternating current contactless switch and is used for controlling the on-off of alternating current, the master control module controls the on-off of the optocoupler through the GPIO, and the silicon controlled rectifier is triggered to be on through the optocoupler, so that the on-off control function of the lamp is realized. The temperature sensor is used for detecting the surface temperature of the controlled silicon, and when the detected temperature is higher than 90 ℃, the controlled silicon is closed, so that the controlled silicon is prevented from being burnt out due to overhigh temperature. The main control module is also used for communicating with the carrier wave, detecting the signal input of the dry contact, controlling the signal output of the dry contact and controlling the conduction of the controllable silicon.
Specifically, in this embodiment, as shown in fig. 3, in this embodiment, the silicon controlled rectifier control circuit includes 2 silicon controlled rectifiers, the optical coupling output module includes 2 optical coupling control circuits, the input of a plurality of silicon controlled rectifiers is connected with commercial power live wire input, and an optical coupling control circuit's output is connected respectively to the control end, the model of silicon controlled rectifier is: JST08K-800CW, and the model of an optical coupler in the optical coupler control circuit is MOC 3063S. Specifically, in this embodiment, on the motherboard, ceramic cooling fins are disposed on the surface of the thyristor. The ceramic radiating fin is adhered to the surface of the controllable silicon and used for radiating the controllable silicon and isolating strong and weak current.
Further, in this embodiment, the control circuit further includes an NTC temperature sensor, the NTC temperature sensor is configured to measure a temperature of each thyristor in the thyristor control circuit, and sends the measured temperature to the main control module, and the main control module is configured to control the corresponding optocoupler output module to disconnect when the temperature of the thyristor is greater than 90 °. The NTC sensor can detect silicon controlled rectifier surface temperature, and when the temperature was higher than 90 ℃, closed the silicon controlled rectifier, avoided the silicon controlled rectifier high temperature, the silicon controlled rectifier is burnt out.
Further, as shown in fig. 4, it is a schematic circuit diagram of the power module in this embodiment. In this embodiment, the power module includes an AC-DC circuit and a DC-DC circuit, where the AC-DC circuit is configured to convert AC mains power into 12V DC power, and the DC-DC circuit is configured to convert the 12V DC power into 3.3V DC power. Specifically, in this embodiment, the AC-DC circuit mainly converts 100V to 240V AC power into 12V DC power to supply power to the carrier module, the main control module and the external, and the output power of the AC-DC circuit is 2.5w, which can meet the requirements of the device and the external output. The DC-DC circuit mainly converts a 12V direct current power supply into a 3.3V direct current power supply for supplying power to the carrier communication module, the main control module and the like.
Further, as shown in fig. 1, in this embodiment, the control circuit further includes a dry contact input detection circuit and a dry contact input/output interface, and a dry contact signal sent by the dry contact device enters the dry contact input detection circuit through the dry contact input/output interface and is input to the main control module through the dry contact input detection circuit. Fig. 5 is a schematic circuit diagram of the dry contact input detection circuit and the dry contact input/output interface in the present embodiment. The 4 paths of main contact signals K1, K2, K3 and K4 enter through the main contact input and output interface, and are converted into MCU _ K1, MCU _ K2, MCU _ K3 and MCU _ K4 signals after being input into the detection circuit through the main contact, and then are input into the main control module.
Further, as shown in fig. 1, in this embodiment, the control circuit further includes a dry contact output circuit, and the dry contact signal output by the main control module is output through the dry contact output circuit and the dry contact input/output interface, and is used for outputting a signal to control the switch of the dry node device indicator light. Fig. 6 is a schematic circuit diagram of the dry contact output circuit in this embodiment. The 4-channel dry contact signals MCU _ D1, MCU _ D2, MCU _ D3 and MCU _ D4 are output from the main control module, then are converted into DO1, DO2, DO3 and DO4 signals through a dry contact output circuit, and then are output through a dry contact input/output interface to control the on/off of the dry node equipment indicator lamp.
Further, as shown in fig. 7, in this embodiment, ESD protection circuits are disposed between the main control module and the carrier communication module, between the dry contact input detection circuit and the main control module, and between the dry contact output circuit and the dry contact input/output interface. The ESD protection circuit can absorb the released static electricity and prevent the impact on the electronic components when the static electricity is released.
Fig. 8 is a schematic circuit diagram of the main control module in this embodiment. When a dry contact signal is input, the dry contact input detection circuit detects the dry contact signal input, and after corresponding logic processing is carried out, a control signal is output to control the local control module and the linkage control module, so that corresponding functions are completed. And the GPIO controls the optocoupler MOC3063S to further control the output of a controllable silicon, so that the local control and the remote control of a lamp or other devices capable of being matched with a dry contact point are realized. In addition, the main control module also receives a temperature signal of the temperature sensor, and when the temperature is higher than 90 ℃, the silicon controlled rectifier is closed, so that the situation that the silicon controlled rectifier is burnt out due to overhigh temperature is avoided.
As shown in fig. 9, the dry contact switch based on HPLC communication of this embodiment still includes inferior valve 2 and epitheca 3, mainboard 1 sets up in inferior valve 2, and passes through epitheca 3 seals inferior valve 2, 1 one side of inferior valve is provided with 4 binding post 4, 4 binding post joinables are 4 sides and following size electric wire, and zero line is connected to 1 wherein terminal, and the live wire is connected to 1 terminal, and 2 other terminals are live wire output terminal, connect the lamps and lanterns live wire. And the upper shell surface 3 is provided with a dry contact input/output interface 5. In this embodiment, the 4 trunk node signal input/output interfaces are located at the lower right corner of the upper case in the system composition schematic diagram, the trunk node signal input/output circuit includes 4 trunk node signal inputs and 4 trunk node signal outputs, the trunk node signal input interface is used for detecting trunk node signals sent by various devices capable of outputting the trunk node signals, such as a common mechanical switch, a switch panel, an SOS device, a card-inserting power-taking device, a gas alarm, a window magnet, and the like, and the trunk node signal output interface is used for controlling the on/off of an indicator light of the trunk node device.
The embodiment of the utility model provides a pair of dry contact switch can put in the standard 86 box, does not influence normal flush mounting plate of switch and uses, can support 4 way dry contact signal input and output, and 12V is external to be supplied power, takes 2 way control executor certainly, can pass through HPLC (broadband power line carrier) communication. The product appearance size is designed to be 58mm (L) 62.45mm (W) 17mm (H). As shown in fig. 10, which is a schematic diagram of the installation of the dry contact switch of this embodiment, when installing, the dry contact switch of this embodiment is put into 86 the cassette 10 with strong electric connection wires, the dry contact switch 6 is connected with the lower switch panel shell 7 by using weak electric control wires 8, the lower switch panel shell 7 is fixed on the 86 cassette by two screws 9, and then the upper switch panel cover 10 is fastened, so as to complete the installation of the dry contact switch and the switch panel.
The utility model provides a dry contact switch based on HPLC communication, it adopts zero live wire access mode, need not to get the electricity from single live wire, realizes the control to lamps and lanterns through control silicon controlled rectifier, and is compatible good, requires lowly to the lamp, does not have the little bright and scintillation that single live wire switch exists. Furthermore, the utility model discloses use HPLC (broadband carrier communication) to realize the communication between the different smart machine, need not rewiring, with low costs, signal transmission is stable, and transmission distance is far away, does not exist and covers the dead angle problem. Moreover, the functions of the main contact module and the actuator are integrated, local/remote control of 2-path lamps or other main contact equipment can be realized, the equipment is miniaturized and can be placed in a 86-box, the equipment cost is reduced, and meanwhile, a user can freely select various equipment which can use main contact signals, such as various switch panels, plug-in card electricity-taking equipment, gas alarms and the like according to own preference and room decoration style.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (10)
1. A dry contact switch based on HPLC communication is characterized by comprising a control circuit arranged on a mainboard, wherein the control circuit comprises a main control module, a power supply module, a carrier communication module, a coupling transformer, an optocoupler output module and a silicon controlled control circuit, and the power supply module is used for converting an external commercial power into a direct current voltage and then supplying power to the main control module, the carrier communication module, the optocoupler output module and the silicon controlled control circuit; the main control module is used for receiving a dry contact signal and outputting a signal to control the on-off of the optical coupler output module; the control end of the silicon controlled control circuit is connected with the output end of the optocoupler output module, the input end of the silicon controlled control circuit is connected with a live wire of mains supply, and the output end of the silicon controlled control circuit is connected with a power utilization terminal; the communication end of the main control module is connected with the carrier communication module, and the carrier communication module is in communication connection with a mains supply power line through a coupling transformer.
2. The dry contact switch based on HPLC communication of claim 1, wherein the thyristor control circuit comprises a plurality of thyristors, the optocoupler output module comprises a plurality of optocoupler control circuits, the input ends of the thyristors are connected with the input end of a live wire of a mains supply, the control ends are respectively connected with the output end of one optocoupler control circuit, and the thyristors are of the type: JST08K-800CW, and the model of an optical coupler in the optical coupler control circuit is MOC 3063S.
3. The dry contact switch based on HPLC communication of claim 1, wherein the surface of the thyristor is provided with a ceramic heat sink on the main board.
4. The dry contact switch based on HPLC communication of claim 1, wherein the control circuit further comprises a temperature sensor, the temperature sensor is configured to measure the temperature of each thyristor in the thyristor control circuit and send the temperature to the main control module, and the main control module is configured to control the corresponding optocoupler output module to be turned off when the temperature of the thyristor is greater than 90 °.
5. The dry contact switch based on HPLC communication of claim 1, wherein said power supply module comprises an AC-DC circuit for converting AC mains power into 12V DC power and a DC-DC circuit for converting 12V DC power into 3.3V DC power.
6. The dry contact switch based on HPLC communication of claim 1, wherein said control circuit further comprises a dry contact input detection circuit and a dry contact input/output interface, and a dry contact signal from a dry contact device enters said dry contact input detection circuit through said dry contact input/output interface and is inputted to said main control module through said dry contact input detection circuit.
7. The dry contact switch based on HPLC communication of claim 6, wherein the control circuit further comprises a dry contact output circuit, and the dry contact signal outputted by the main control module is outputted through the dry contact output circuit and the dry contact input/output interface, and is used for controlling the switch of the dry node equipment indicator light by the output signal.
8. The dry contact switch based on HPLC communication of claim 7, wherein ESD protection circuits are disposed between the main control module and the carrier communication module, between the dry contact input detection circuit and the main control module, and between the dry contact output circuit and the dry contact input/output interface.
9. The dry contact switch based on HPLC communication of claim 1, further comprising a lower case and an upper case, wherein said main board is disposed in said lower case and said lower case is closed by said upper case, and said lower case is provided with a connection terminal at one side thereof.
10. The dry contact switch based on HPLC communication of claim 1, wherein the model of the main control module is ES8P5086, and the model of the carrier communication module is ES 1667-NC.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020466108.0U CN211718744U (en) | 2020-04-02 | 2020-04-02 | Dry contact switch based on HPLC communication |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020466108.0U CN211718744U (en) | 2020-04-02 | 2020-04-02 | Dry contact switch based on HPLC communication |
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| CN211718744U true CN211718744U (en) | 2020-10-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116742809A (en) * | 2023-08-08 | 2023-09-12 | 江苏天合储能有限公司 | Energy storage protection device and energy storage battery system |
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2020
- 2020-04-02 CN CN202020466108.0U patent/CN211718744U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116742809A (en) * | 2023-08-08 | 2023-09-12 | 江苏天合储能有限公司 | Energy storage protection device and energy storage battery system |
| CN116742809B (en) * | 2023-08-08 | 2023-10-27 | 江苏天合储能有限公司 | Energy storage protection device and energy storage battery system |
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