Single-live-wire voice bath heater switch

Abstract

The utility model discloses a single-live-wire voice bath heater switch comprising a live wire terminal electrically connected with a commercial power live wire; the wiring terminals are electrically connected with the bath heater; the plurality of switches are triggered to enable the wiring terminal to be conducted with the live wire terminal; the power supply circuit is used for converting alternating current commercial power into direct current to provide electric energy for the chip circuit and the voice circuit; the chip circuit receives a trigger signal of the switch and outputs a signal to conduct the live wire terminal and the wiring terminal; the voice circuit is connected with the chip circuit, and the voice circuit receives voice signals and transmits the signals to the chip circuit; the positive electrode of the input end of the power supply circuit is electrically connected with the live wire wiring terminal, and the negative electrode of the input end of the power supply circuit is electrically connected with at least two wiring terminals. A zero line power supply is taken by a wiring terminal to enable a power supply circuit to form a loop, and a current-limiting resistor is adopted for overcurrent protection.

Description

Technical Field

[0001] This utility model relates to the field of intelligent switch equipment technology, and in particular to a single-wire voice-activated bathroom heater switch. Background Technology

[0002] A smart switch is a unit that uses a combination of control boards and electronic components and programming to achieve intelligent switching control of circuits.

[0003] A bathroom heater switch is a switch specifically designed to control a bathroom heater. With the popularization of the smart home concept, smart bathroom heater switches have emerged as home appliances undergo continuous intelligent upgrades. The control board of a smart switch needs to be connected to a power source, so it requires the connection of both a live wire and a neutral wire. However, some houses only have the live wire connected in the switch box during renovation, making it impossible to use a smart switch. Therefore, a single-live-wire smart switch has appeared on the market.

[0004] A Chinese patent with publication number CN 207797216 U discloses a single-wire bathroom heater switch. The patent discloses that power can be drawn from the neutral wire of the bathroom heater by forming a circuit, and the switching function is achieved by using a thyristor and a relay to switch on and off. Utility Model Content

[0005] The purpose of this utility model is to provide a single-wire voice-activated bathroom heater switch, which uses a terminal block to draw the neutral wire power to form a circuit, and uses a current-limiting resistor to achieve overcurrent protection.

[0006] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a single-wire voice-activated bathroom heater switch, comprising: a live wire terminal electrically connected to the AC mains live wire; multiple wiring terminals electrically connected to the bathroom heater; multiple switches that trigger the switches to connect the wiring terminals to the live wire terminal; a power supply circuit that converts AC mains power into DC power to provide power to the chip circuit and the voice circuit; a chip circuit that receives the trigger signal from the switches and outputs a signal to connect the live wire terminal and the wiring terminals; a voice circuit connected to the chip circuit that receives voice signals and transmits signals to the chip circuit; the positive input terminal of the power supply circuit is electrically connected to the live wire wiring terminal, and the negative input terminal of the power supply circuit is electrically connected to at least two of the wiring terminals.

[0007] A further feature of this invention is that the chip circuit includes a microcontroller, multiple thyristors or multiple relays, and the microcontroller outputs a signal to control the thyristors or relays to conduct.

[0008] A further feature of this invention is that it includes a current-limiting resistor, one end of which is electrically connected to a live wire terminal, and the other end of which is electrically connected to a thyristor; a microcontroller is connected to both ends of the current-limiting resistor.

[0009] A further feature of this invention is that one end of the thyristor is connected to a live wire terminal, and the other end of the thyristor is connected to a terminal block.

[0010] A further feature of this invention is that one end of the relay is connected to a live wire terminal, and the other end of the relay is connected to a wiring terminal.

[0011] A further feature of this invention is that the switch includes one or more of the following: a lighting switch, a ventilation switch, a blower switch, a heater switch, and a temperature control switch.

[0012] A further feature of this invention is that the voice circuit includes a speaker and a handset, the handset being used to convert voice into electrical signals, and the speaker being used for voice broadcasting.

[0013] A further feature of this invention is that it includes a network module, which is electrically connected to a power supply circuit and connected to a microcontroller signal. The network module is one or more of a 4G network module, a 5G network module, a Bluetooth network module, and a WIFI network module.

[0014] Compared with the prior art, this utility model has the following advantages: it uses a terminal block to take the neutral wire power supply to form a power circuit, and uses a current-limiting resistor to realize the overcurrent protection function; it uses a voice circuit to control the opening and closing of the bathroom heater switch by voice. Attached Figure Description

[0015] Figure 1 This is a structural block diagram of the single-wire voice-activated bathroom heater switch in Example 1.

[0016] Figure 2 This is a front view of the single-wire voice-activated bathroom heater switch in Example 1.

[0017] Figure 3 This is a rear view of the single-wire voice-activated bathroom heater switch in Example 1.

[0018] Figure 4 This is the schematic diagram of the thyristor in Example 1.

[0019] Figure 5 This is the relay schematic diagram in Example 1.

[0020] Figure 6 This is a structural block diagram of the single-wire voice-activated bathroom heater switch in Example 3.

[0021] In the diagram: 1. Live wire terminal; 2. Wiring terminal; 3. Switch; 4. Power supply circuit; 5. Chip circuit; 6. Voice circuit; 7. Microcontroller; 8. Current limiting resistor; 9. SCR; 10. Relay; 21. Network module. Detailed Implementation

[0022] 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 a part of the embodiments of the present utility model, not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model. It should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0023] Example 1

[0024] like Figure 1-3 As shown, a single-wire voice-activated bathroom heater switch includes a live wire terminal 1, multiple wiring terminals 2, multiple switches 3, a power supply circuit 4, a chip circuit 5, and a voice circuit 6. The live wire terminal 1 is electrically connected to the AC power live wire, inputting AC power to the bathroom heater switch 3 in this embodiment. The multiple wiring terminals 2 are respectively electrically connected to the input lines of the bathroom heater for outputting AC power. The power supply circuit 4 converts AC AC power into DC power to provide power to the chip circuit 5 and the voice circuit 6. The chip circuit 5 receives a trigger signal and outputs a signal to control the conduction of the main line between the live wire terminal 1 and the wiring terminals 2, so that the AC current is output to the bathroom heater through the main line. The voice circuit 6 is electrically connected to the chip circuit 5. The voice circuit 6 receives user voice and converts it into an electrical signal, which is transmitted to the chip circuit 5 for voice control of the bathroom heater switch to turn on or off. The switches 3 can be manually triggered by pressing, touching, etc. The chip circuit 5 receives the signal and controls the conduction or disconnection of the main line between the live wire terminal 1 and the wiring terminals 2. The positive input terminal of the power supply circuit 4 is electrically connected to the live wire wiring terminal 2, and the negative input terminal of the power supply circuit 4 is electrically connected to at least two wiring terminals 2.

[0025] A diode is provided at the negative terminal of the input terminal of the power supply circuit 4. The diode prevents current from flowing back from one terminal 2 to another terminal 2 through the negative terminal of the input terminal of the power supply circuit 4.

[0026] In this embodiment, terminal 2 is electrically connected to the bathroom heater to control its on / off state. Taking a commercially available fan-heated bathroom heater as an example, the switch in this embodiment is explained. Fan-heated bathroom heaters generally have lighting, ventilation, air blowing, and heating functions, such as... Figure 1 As shown, one terminal 2 is connected to the lighting wire, one terminal 2 is connected to the ventilation wire, one terminal 2 is connected to the blower wire, and one terminal 2 is connected to the heater wire. It should be noted that lighting, ventilation, blower, and heating are common functions of a typical bathroom heater. If the bathroom heater has other functions such as sterilization, the corresponding terminal 2 can be connected to the power supply.

[0027] In the operation of a fan-heated bathroom heater, ventilation and heating are generally two conflicting functions and cannot be activated simultaneously. Furthermore, the live and neutral wires of both the heating element and the motor coil within the fan-heated bathroom heater are actually connected, requiring a certain current to activate either. In this embodiment, the operating current of the voice-activated bathroom heater switch is insufficient to activate these functions. Therefore, the negative input terminal of power circuit 4 is electrically connected to terminal 2, forming a circuit between the fan-heated bathroom heater and the neutral wire, allowing power circuit 4 to convert AC mains power into DC output. To prevent one terminal 2 from disconnecting the neutral wire due to a live wire connection, the negative input terminal of power circuit 4 is electrically connected to terminals 2 on both the ventilation and heating sides. In another embodiment, ventilation and air blowing are also conflicting functions, so the negative input terminal of power circuit 4 can be electrically connected to terminals 2 on both the ventilation and air blowing sides. Thus, the negative input terminal of power circuit 4 is connected to at least two terminals 2 to ensure a circuit is formed between the live and neutral wires of the bathroom heater switch, allowing the switch to operate normally.

[0028] The negative input terminal of the power supply circuit 4 is electrically connected to at least two terminals 2. Diodes are provided at the two terminals 2 of the negative input terminal of the power supply circuit 4 to ensure unidirectional current flow.

[0029] Figure 2 , Figure 3 In this embodiment, the single-wire voice-activated bathroom heater switch has multiple switch buttons 3. These switch buttons can be for lighting, ventilation, air blowing, fan heating 1, and fan heating 2. In another embodiment, other function switches 3 can also be provided, such as temperature adjustment, sterilization, and negative ion generation. The switch buttons 3 can be configured to provide one or more functions such as lighting, ventilation, air blowing, fan heating, and temperature adjustment. The switch buttons 3 can be configured using existing technologies such as pressing or touching. The trigger signal of the switch buttons 3 is sent to the microcontroller 7 in the chip circuit 5, enabling the microcontroller 7 to receive the signal.

[0030] The chip circuit 5 includes a microcontroller 7, multiple thyristors 9 or several relays 10, specifically as follows: Figure 1The chip circuit 5 shown includes a microcontroller 7, a lighting control module, a ventilation control module, a blower control module, a heating 1 control module, and a heating 2 control module. The microcontroller 7 is electrically connected to several control modules and outputs signals to activate the control modules, providing power to the bathroom heater. The lighting, ventilation, and blower control modules each contain a thyristor 9 to control the on / off state. The thyristor 9 is used to control low-power electrical components, such as LEDs for lighting, ventilation, or blower functions, and low-power motors. The heating 1 and heating 2 control modules each contain a relay 10 to control the on / off state. The relay 10 is used to control high-power electrical components, such as the heating element in a fan heater. After receiving signal commands, the microcontroller 7 outputs signals to control the conduction of the thyristor 9 or the relay 10, thereby controlling the start or stop of the bathroom heater. Figure 4 One end of the thyristor 9 is connected to the live wire terminal 1, and the other end is connected to the terminal 2. The control electrode is connected to the microcontroller 7, and the microcontroller 7 outputs a signal to control the conduction of the thyristor 9. In some embodiments, the thyristor 9 is a thyristor, which can be either a unidirectional thyristor or a bidirectional thyristor. Figure 5 The main circuit input terminal of relay 10 is connected to the live wire terminal 1, the main circuit output terminal of relay 10 is connected to the terminal 2, the control circuit of relay 10 is connected to 12V DC power and microcontroller 7, and the microcontroller 7 outputs a signal to control relay 10 to be energized and turned on.

[0031] like Figure 2 , Figure 4 As shown, in some embodiments, the chip circuit 5 includes a current-limiting resistor 8. One end of the current-limiting resistor 8 is connected to the live wire terminal 1, and the other end of the current-limiting resistor 8 is connected to several thyristors 9. The thyristors 9 are connected in series with the current-limiting resistor 8. The two ends of the current-limiting resistor 8 are connected to a microcontroller 7. The microcontroller 7 receives the voltage drop signal from the current-limiting resistor 8. When the voltage drop signal exceeds the set value, the microcontroller 7 stops the signal output and disconnects the bathroom heater switch, thus playing the role of overcurrent protection. In some embodiments, due to the size and cost of components, the thyristors 9 used in actual use are small-volume, low-power thyristors. If the electrician connects the wires incorrectly during installation and connects the heater wire to the lighting, ventilation, or blower terminal, the current will be too high and burn out the bathroom heater switch. By using the current-limiting resistor 8, when the current flowing through the current-limiting resistor 8 exceeds the preset value, the microcontroller 7 cuts off the bathroom heater switch to protect it.

[0032] The voice circuit 6 includes a speaker and a handset. The speaker is electrically connected to the voice circuit 6, and the handset is used to convert voice into electrical signals. The speaker is electrically connected to the voice circuit 6 and is used for voice broadcasting. The voice circuit 6 uses commercially available voice chips to realize voice input and output.

[0033] Example 2

[0034] In some embodiments, the bathroom heater switch has a warm air temperature control function. Generally, the bathroom heater has two electric heating wires, namely fan heater 1 and fan heater 2. The power of the electric heating wire of fan heater 2 is greater than that of fan heater 1. That is, one set of weak heat is turned on, and two sets of strong heat are turned on. The microcontroller 7 controls the on and off of the relay 10 to control the electric heating wire of the strong heat to turn on or off, so as to achieve the purpose of temperature regulation and constant temperature. In this embodiment, the strong heat is turned on for 10 minutes, then weak heat for 1 minute, then strong heat for 5 minutes, then weak heat for 2 minutes, then strong heat for 5 minutes, then weak heat for 3 minutes, then strong heat for 5 minutes, until weak heat for 5 minutes and strong heat for 5 minutes, and then the cycle continues. This cycle of turning on and off the strong heat keeps the indoor temperature within the set temperature range, so as to achieve the temperature regulation and constant temperature function.

[0035] In practice, temperature can also be adjusted by using a microcontroller to control the speed of the airflow, because the stronger the airflow, the more heat the heating device blows out, and the weaker the airflow, the less heat the heating device blows out.

[0036] Example 3

[0037] like Figure 6 As shown, based on Embodiment 1, the single-wire voice-activated bathroom heater switch also includes a network module 21. The network module 21 is electrically connected to the power supply circuit 4, the power supply circuit 4 provides power to the network module 21, the network module 21 is signal-connected to the microcontroller 7, and the network module 21 and the microcontroller 7 transmit data signals to each other.

[0038] Network module 21 adopts one or more of the existing 4G network modules, 5G network modules, Bluetooth network modules, and WIFI network modules on the market.

[0039] The network module 21 is used for wireless connection between the bathroom heater switch and a smartphone. After the smartphone and the bathroom heater switch are wirelessly connected, the user can use the smartphone to remotely view or control the opening and closing of the bathroom heater switch.

[0040] The above description is only a preferred embodiment of the present utility model. Therefore, all equivalent changes or modifications made to the structure, features and principles described in the claims of the present utility model patent application are included in the scope of the present utility model patent application.

Claims

1. A single hot line voice bath bar switch, characterized by: Comprising: a live terminal, the live terminal being electrically connected to a live wire of a mains electricity supply; a plurality of terminal terminals, the terminal terminals being electrically connected to a bathroom heater; a plurality of switches, triggering the switches causes the terminal terminals to be conductive with the live terminal; a power supply circuit, the power supply circuit converts alternating current from the mains electricity supply into direct current to provide power to a chip circuit and a voice circuit; a chip circuit, the chip circuit receives a trigger signal from the switches and outputs a signal to cause the live terminal to be conductive with the terminal terminals; a voice circuit, the voice circuit is connected to the chip circuit, the voice circuit receives a voice signal and transmits a signal to the chip circuit; a positive input terminal of the power supply circuit is electrically connected to the live terminal, and a negative input terminal of the power supply circuit is electrically connected to at least two of the terminal terminals.

2. A single hot line voice bath and bar switch according to claim 1, characterized in that: The chip circuit comprises a single-chip microcomputer, a plurality of silicon controlled rectifiers or a plurality of relays, and the single-chip microcomputer outputs a signal to control the silicon controlled rectifiers or the relays to be conductive.

3. A single hot line voice-activated bath switch according to claim 2, wherein: It also includes a current limiting resistor, one end of the current limiting resistor is electrically connected to the live terminal, and the other end of the current limiting resistor is respectively electrically connected to the silicon controlled rectifiers; the single-chip microcomputer is connected to both ends of the current limiting resistor.

4. A single hot line voice-activated bath switch according to claim 3, wherein: One end of the silicon controlled rectifier is connected to the current limiting resistor, and the other end of the silicon controlled rectifier is connected to the terminal terminal.

5. A single hot line voice-activated bath switch according to claim 4, wherein: One end of the relay is connected to the live terminal, and the other end of the relay is connected to the terminal terminal.

6. A single hot line voice-activated bath switch according to claim 1, wherein: The switches include one or more of lighting, ventilation, blowing, wind warming, and temperature adjustment.

7. A single hot line voice-activated bath switch according to claim 1, wherein: The voice circuit includes a loudspeaker and a receiver, the receiver is used to convert voice into an electrical signal, and the loudspeaker is used for voice broadcast.

8. A single hot line voice-activated bath switch according to claim 1, wherein: It also includes a network module, the network module is electrically connected to the power supply circuit, the network module is signal connected to the single-chip microcomputer, and the network module is one or more of a 4G network module, a 5G network module, a Bluetooth network module, and a WIFI network module.

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