CN220040999U

CN220040999U - Wire control induction sanitary appliance and control circuit

Info

Publication number: CN220040999U
Application number: CN202321609717.7U
Authority: CN
Inventors: 史先明
Original assignee: Hefei Mulong Electronic Technology Co ltd
Current assignee: Hefei Mulong Electronic Technology Co ltd
Priority date: 2023-06-25
Filing date: 2023-06-25
Publication date: 2023-11-17
Anticipated expiration: 2033-06-25

Abstract

The utility model discloses a wire control induction sanitary appliance and a control circuit, wherein the wire control module is arranged between a direct-current power supply and an induction module, and the wire control induction sanitary appliance and the control circuit are respectively connected with the direct-current power supply and the induction module through power wires, so that the working parameters of an induction sanitary appliance controller can be changed in a wire control mode. The wire control module mainly comprises a key switch, a singlechip, an MOS tube and a plurality of resistors. And when different keys are pressed, the singlechip sends out different pulse signals to control the on and off of the MOS tube, so that the on-off of a power supply is controlled. The pulse signals are transmitted to the sensing module through the power line, a communication protocol is formulated between the line control module and the sensing module, and the sensing module decodes and analyzes the signals after receiving the signals to obtain instructions for adjusting parameters, so that the working parameters are correspondingly adjusted. The working parameters of the induction sanitary appliance can be conveniently adjusted without a remote controller or disassembly of the induction sanitary appliance.

Description

Wire control induction sanitary appliance and control circuit

Technical Field

The utility model relates to the technical field of sensing sanitary appliances, in particular to a wire control sensing sanitary appliance and a control circuit.

Background

The induction sanitary appliance is a generic name of intelligent water-saving products matched with the sanitary appliance. The product comprises an induction tap, an induction urinal, an induction toilet, an induction shower, a toilet water economizer, an induction soap dispenser and the like.

The sensing sanitary appliance generally has parameters adjusted before leaving the factory, but the working parameters of the sensing controller of the sensing sanitary appliance are sometimes required to be adjusted according to specific conditions due to non-uniformity of the installation environment, water pressure and other conditions of the sensing sanitary appliance. For example, when the induction distance is too long, the space is narrow and the self-induction phenomenon occurs, the induction distance needs to be shortened; for example, when the user feels that the sensing distance is too short and the sensing is insensitive, the sensing distance needs to be adjusted to be longer; if the water flushing time of the toilet bowl is expected to be shorter when the water pressure is high, and the water flushing time is required to be longer when the water pressure is low, the working parameters of the induction controller need to be adjusted according to the actual conditions. There are two existing ways of adjusting the operating parameters of an induction controller:

first kind: the back of the traditional induction controller is provided with a potentiometer for adjusting the induction distance. However, since the induction controller of the induction tap is installed in the housing and the induction tap is installed on the table top, if the induction distance is to be adjusted, the induction tap is detached from the table top, then the induction controller and the potentiometer are taken out of the housing, adjusted and then put in, and then the induction tap is installed on the table top, the process is quite troublesome. The induction controller of the induction toilet bowl is arranged in the wall, the induction controller is arranged in the shell, the working parameters are required to be adjusted, the induction controller is detached, and the induction controller is assembled after being adjusted, so that the process is very complicated.

Second kind: the existing induction controllers of some induction sanitary appliances are provided with infrared remote controllers, and working parameters can be adjusted through the infrared remote controllers without disassembling the induction sanitary appliances. However, the infrared remote controller is smaller and is not frequently used in the actual use process, so that the infrared remote controller is frequently lost. Therefore, with the existing sensing sanitary appliance, there are many problems when a customer wants to adjust the working parameters of the sensing controller.

Disclosure of Invention

The technical problems solved by the utility model are as follows: how to avoid the existing sensing sanitary appliance, the customer can encounter the conditions of complicated process or loss of the remote controller when want to adjust the working parameters of the sensing controller.

The aim of the utility model can be achieved by the following technical scheme:

a control circuit for a line-controlled inductive plumbing fixture, comprising: the device comprises a direct-current power supply, a wire control module, a power wire and an induction module;

the drive-by-wire module sets up direct current power with between the response module, through the power cord connection for the adjustment response module's operating parameter, the drive-by-wire module includes:

the first singlechip is provided with a plurality of connection ports;

one end of each key switch is connected with the positive electrode or the negative electrode of the direct current power supply respectively, and the other end of each key switch is connected with one port of the first singlechip respectively and is connected with a pull-down resistor or a pull-up resistor;

the D pole and the S pole of the MOS tube are connected to a power circuit between the direct current power supply and the induction module, and the G pole of the MOS tube is connected with one port of the first singlechip;

when different key switches are pressed, the first singlechip sends corresponding pulse signals to the MOS tube to control the on/off of the MOS tube, so as to control the on/off of a power supply circuit.

Specifically, the MOS tube is a PMOS tube or an NMOS tube.

Specifically, when the key switch is in an off state, the wire control module is in a standby state, the MOS tube is in a conducting state, and the direct current power supply supplies power to the induction module through the MOS tube.

Specifically, the induction module comprises an isolation diode, a voltage stabilizing circuit, an infrared emission circuit, an infrared receiving circuit, an LED indicating circuit, an electromagnetic valve driving circuit and a second singlechip.

Specifically, one of the positive electrode of the isolation diode and one of the ports of the second singlechip is connected with the positive electrode circuit of the power line, and the negative electrode of the isolation diode is connected with the input end of the voltage stabilizing circuit.

Specifically, the voltage stabilizing circuit comprises a voltage stabilizing chip and two filter capacitors, and the cathode of the isolation diode is connected with the input end of the voltage stabilizing chip and the filter capacitors.

As a further scheme of the utility model: the wire control induction sanitary appliance comprises the control circuit, wherein the key switch is arranged on a control box or a battery box or an adapter or a panel of the induction sanitary appliance.

Specifically, the drive-by-wire response cleaners and polishes are response tap, the response tap includes:

a faucet housing disposed on the deck surface,

the induction controller is arranged in the faucet shell, and an induction module is arranged in the induction controller;

the control box, the control box is located the below of mesa, be provided with drive-by-wire module, battery case and solenoid valve in the control box, the solenoid valve with be provided with the water pipe between the tap, the drive-by-wire module with the response module passes through the control line and links to each other, and key switch sets up on the casing of control box.

The wire control induction sanitary appliance and the control circuit have at least one of the following technical effects:

according to the utility model, the wire control module is arranged between the direct-current power supply and the induction module and is respectively connected with the direct-current power supply and the induction module through the power line, so that the working parameters of the induction sanitary appliance controller can be changed in a wire control mode. The wire control module mainly comprises a key switch, a singlechip, an MOS tube and a plurality of resistors. And when different keys are pressed, the singlechip sends out different pulse signals to control the on and off of the MOS tube, so that the on-off of a power supply is controlled. The pulse signals are transmitted to the sensing module through the power line, a communication protocol is formulated between the line control module and the sensing module, and the sensing module decodes and analyzes the signals after receiving the signals to obtain instructions for adjusting parameters, so that the working parameters are correspondingly adjusted. The working parameters of the induction sanitary appliance can be conveniently adjusted without a remote controller or disassembly of the induction sanitary appliance.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

FIG. 1 is a schematic diagram of a line control sensing plumbing fixture of the present utility model;

FIG. 2 is a schematic diagram of one embodiment of a control circuit for a line-controlled inductive plumbing fixture of the present utility model;

fig. 3 is a schematic diagram of another embodiment of the control circuit of the line control sensing sanitary appliance of the present utility model.

In the figure: 1. a faucet housing; 2. an induction controller; 3. a table top; 4. a control line; 5. a water pipe; 6. a key switch; 7. a control box; 8. a direct current power supply; 9. a wire control module; 10. a power line; 11. and the sensing module.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

Referring to fig. 1, the present utility model is a line control sensing sanitary appliance, which includes a control circuit for adjusting parameters thereof, and the working parameters of a controller of the sensing sanitary appliance can be changed in a line control manner, wherein the sensing sanitary appliance can be one of a sensing faucet, a sensing urinal, a sensing toilet, a sensing shower, a toilet water saver and a sensing soap dispenser.

Referring to fig. 1, in one embodiment of the present utility model, an induction faucet is taken as an example, the induction faucet includes a faucet housing 1 fixedly disposed on a deck surface 3, an induction controller 2 for controlling water output from the induction faucet is disposed inside the faucet housing 1, and an induction module 11 is disposed in the induction controller 2. The induction tap also comprises a control box 7 arranged below the table top 3, a water pipe 5 and a control wire 4 are arranged between the control box 7 and the tap shell 1, wherein the control wire 4 consists of a power wire and a valve wire. The control box 7 is internally provided with a wire control module 9, a battery box and an electromagnetic valve, the wire control module 9 is connected with the induction module 11 through a control wire 4, and the battery box, the wire control module 9 and the induction module 11 jointly form a control circuit capable of being used for adjusting working parameters. The control box 7 is provided with a key switch 6 on the outer shell, and the parameter adjustment operation is specifically realized through the key switch 6. Therefore, the user can press the key switch 6 to adjust parameters at any time without detaching the installed sensing sanitary appliance or using a remote controller additionally.

Referring to fig. 2-3, in one embodiment of the present utility model, the control circuit of the line control sensing sanitary appliance includes: a direct current power supply 8, a wire control module 9, a power wire 10 and an induction module 11. The line control module 9 is arranged between the direct current power supply 8 and the induction module 11 and is connected through a power line 10. The dc power supply 8 is used for supplying power. The sensing module 11 is used for controlling the water outlet of the sensing sanitary appliance. The drive-by-wire module 10 is used for adjusting the working parameters of the induction controller 2. The induction module 11 comprises an isolation diode, a voltage stabilizing circuit, an infrared emission circuit, an infrared receiving circuit, an LED indicating circuit, an electromagnetic valve driving circuit and a second singlechip. An isolation diode (D1) is connected in series between the positive input end of the power supply of the voltage stabilizing circuit and the positive electrode of the power supply line 10, the negative electrode of the isolation diode (D1) is connected with the input end of the voltage stabilizing circuit, the positive electrode of the isolation diode (D1) is connected with the positive electrode of the power supply line 10, and an I/O port of a second singlechip (U2) of the sensing module 11 is also connected with the positive electrode of the power supply line 10 and is used for detecting the power supply voltage and receiving pulse signals from the power supply line 10; that is, the positive electrode of the isolation diode (D1) is connected with the positive electrode circuit of the power line 10 and the port 1 of the singlechip (U2). The voltage stabilizing circuit comprises a voltage stabilizing chip (Q2) and two filter capacitors (C1 and C2), wherein the negative electrode of the isolation diode (D1) is connected with the input end of the voltage stabilizing chip (Q2) and the filter capacitor (C1), and the isolation diode (D1) is arranged to isolate the positive electrode of the power line 10 from the capacitor (C1) so as to reduce the influence of the capacitor (C1) on pulse signals on the power line 10.

Referring to fig. 2-3, in one embodiment of the present utility model, the wire control module 9 is disposed between the dc power supply 8 and the sensing module 11, and is connected to the sensing module 11 through a power line 10, for adjusting an operation parameter of the sensing module 11, where the wire control module 9 includes: the device comprises a first singlechip, a plurality of key switches 6, MOS (metal oxide semiconductor) tubes, a plurality of resistors and the like. The first singlechip (U1) is provided with a plurality of connection ports (I/O ports 1, 2 and 3 as shown in the figure); one end of each key switch 6 is respectively connected with the positive electrode or the negative electrode of the direct current power supply 8, the other end of each key switch is respectively connected with one port of the first singlechip, namely, the other end of each key switch is respectively connected with different ports of the first singlechip, and is connected with a pull-down resistor or a pull-up resistor, namely, the connection part of the other end of each key switch and the corresponding port of the first singlechip is provided with a pull-down resistor or a pull-up resistor; the key switch 6 can be arranged on the control box 7 or the battery box or the adapter or the panel of the induction sanitary appliance, and in actual use, the function of adjusting the working parameters of the control circuit can be realized only by arranging the key switch 6 at a position of the corresponding sanitary appliance, which is convenient for contact, and then connecting the key switch 6 with the corresponding module through a wire. The D pole and the S pole of the MOS tube are connected to a power circuit between the direct current power supply 8 and the induction module 11, the G pole of the MOS tube is connected with one port of the first singlechip, and the port is different from the port connected with the key switch and the first singlechip; when different key switches 6 are pressed, the first singlechip sends corresponding pulse signals to the MOS tube to control the on/off of the MOS tube, so as to control the on/off of a power supply circuit. When the key switch 6 is disconnected, the wire control module 9 is in a standby state, the MOS tube is in a conducting state, the direct current power supply 8 supplies power to the induction module 11 through the MOS tube, different key switches 6 represent different instructions, when the key switch 6 is pressed down, the key switch 6 is conducted, the singlechip (U1) obtains instructions, the singlechip (U1) sends instruction pulse signals to control the MOS tube to conduct and cut off, the instruction pulse signals are transmitted to the induction module 11 through a power line 10 connected with the singlechip (U2) of the induction module 11, the pulse signals are decoded according to a formulated communication protocol, and the working parameters are correspondingly adjusted.

Referring to fig. 2-3, in one embodiment of the present utility model, the MOS transistor may be a PMOS transistor or an NMOS transistor. If the PMOS tube is selected, the D electrode and the S electrode of the MOS tube are connected to a power supply positive electrode passage, the G electrode is connected to a pull-down resistor, and if the NMOS tube is selected, the D electrode and the S electrode of the MOS tube are connected to a power supply negative electrode passage, the G electrode is connected to a pull-up resistor, and the MOS tube controls the on-off of the direct current power supply 8.

Referring to fig. 2, in one embodiment of the present utility model, a MOS transistor is taken as a PMOS transistor for specific description below. The wire control module 9 mainly comprises a plurality of key switches 6 (K1, K2), a singlechip (U1), a PMOS tube (Q1), a plurality of resistors (R1, R2, R3), wherein an I/O port 3 of the singlechip (U1) is connected with a G pole of the PMOS tube (Q1), the G pole is connected with a pull-down resistor (R3), the D pole is connected with the positive pole of a power wire 10 between the wire control module 9 and the induction module 11, the S pole is connected with the positive pole of the direct current power supply 8, when the G of the PMOS tube (Q1) is extremely low, vgs < Vth, the PMOS tube is conducted, when the G of the PMOS tube (Q1) is extremely high, the Vgs > Vth, and the PMOS tube (Q1) is cut off. Each key switch 6 represents an instruction, taking the key switch 6 (K1) as an example, the function of K1 is to enable the sensing module 11 to increase the distance, other key switches 6 are similar to the K1 principle, one end of K1 is connected with the I/O port 1 of the single chip microcomputer (U1) and connected with a pull-down resistor (R1), the other end of K1 is connected with the positive pole of the direct current power supply 8, the port 1 of the single chip microcomputer (U1) is at a low level during standby, when the key switch 6 is pressed down, the port 1 is at a high level, the port 3 of the single chip microcomputer (U1) sends a column of pulses to the G pole of the PMOS tube (Q1), the PMOS tube (Q1) controls the on-off of the direct current power supply 8 for supplying power to the sensing module 11, and pulse signals are formed on the power line 10 between the on-line control module 9 and the sensing module 11. The port 1 of the singlechip (U2) is connected with the positive electrode of the power line 10, the port 1 of the singlechip (U2) receives the instruction pulse signal sent by the line control module 9, and the singlechip (U2) decodes the instruction pulse according to a communication protocol to obtain an instruction to be executed, and then adjusts working parameters. Because the duration of the instruction pulse is shorter, the singlechip (U2) only runs the program for receiving and modifying the parameters, the power consumption is very low, the time is very short, the electric energy stored by C1 and C2 is enough for the singlechip (U2), and the wire control module 9 resumes to supply power to the sensing module 11 after the instruction pulse is sent. The positive pole of the diode (D1) is connected with the positive pole of the power line 10 and the port 1 of the singlechip (U2), and the negative pole is connected with the input end of the voltage stabilizing circuit and the filter capacitor (C1). The diode (D1) plays an isolating role between the positive electrode of the power line 10 and the capacitor (C1), reducing the influence of the capacitor (C1) on the pulse signal on the power line 10.

The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All such equivalent changes and modifications as come within the scope of the following claims are intended to be embraced therein.

Claims

1. A control circuit for a line-controlled induction plumbing fixture, comprising: the device comprises a direct-current power supply (8), a wire control module (9), a power wire (10) and an induction module (11);

the drive-by-wire module (9) set up direct current power supply (8) with between response module (11) to connect response module (11) through power cord (10), drive-by-wire module (9) include:

the first singlechip is provided with a plurality of connection ports;

one end of each key switch (6) is respectively connected with the positive electrode or the negative electrode of the direct current power supply (8), the other end of each key switch is respectively connected with one port of the first singlechip, and the port of the first singlechip is also connected with a pull-down resistor or a pull-up resistor;

the pole D and the pole S of the MOS tube are connected to a power circuit between the direct current power supply (8) and the induction module (11), and the pole G of the MOS tube is connected with one port of the first singlechip;

when different key switches (6) are pressed, the first singlechip sends corresponding pulse signals to the MOS tube to control the on and off of the MOS tube, so as to control the on and off of a power supply circuit.

2. The control circuit of a line-controlled induction sanitary appliance according to claim 1, wherein the MOS transistor is a PMOS transistor or an NMOS transistor.

3. The control circuit of the line control sensing sanitary appliance according to claim 2, wherein when the key switch (6) is in an off state, the line control module (9) is in a standby state, the MOS tube is in an on state, and the direct current power supply (8) supplies power to the sensing module (11) through the MOS tube.

4. A control circuit of a line control sensing sanitary appliance according to claim 3, wherein the sensing module (11) comprises an isolation diode, a voltage stabilizing circuit, an infrared transmitting circuit, an infrared receiving circuit, an LED indicating circuit, a solenoid valve driving circuit and a second single chip microcomputer.

5. The control circuit of the line control induction sanitary appliance according to claim 4, wherein one of the positive electrode of the isolation diode and one of the ports of the second singlechip is connected with the positive electrode circuit of the power line (10), and the negative electrode of the isolation diode is connected with the input end of the voltage stabilizing circuit.

6. The control circuit of the line control sensing sanitary appliance according to claim 5, wherein the voltage stabilizing circuit comprises a voltage stabilizing chip and two filter capacitors, and the cathode of the isolation diode is connected with the input end of the voltage stabilizing chip and the filter capacitors.

7. A line control sensing plumbing fixture comprising a control circuit according to any one of claims 1 to 6.

8. The line-controlled induction sanitary appliance according to claim 7, characterized in that a key switch (6) is provided on a control box (7) or battery box or adapter or panel of the induction sanitary appliance.

9. The line control sensing plumbing fixture of claim 7, wherein the line control sensing plumbing fixture is a sensing faucet, the sensing faucet comprising:

the faucet comprises a faucet shell (1), wherein the faucet shell (1) is arranged on a table top (3);

the induction controller (2), the induction controller (2) is arranged in the faucet shell (1), and an induction module (11) is arranged in the induction controller (2);

the control box (7), control box (7) are located the below of mesa (3), be provided with drive-by-wire module (9), battery case and solenoid valve in control box (7), the solenoid valve with be provided with water pipe (5) between tap casing (1), drive-by-wire module (9) with sensing module (11) link to each other through control line (4), and key switch (6) set up on the casing of control box (7).