CN104089065B - Contact control formula effluent control device and its control method - Google Patents

Abstract

The invention belongs to the technical field of water outlet devices, and relates to a contact control type water outlet control device and a control method thereof. It solves technical problems such as unreasonable design of the prior art. The control device includes a box body made of insulating material, on which at least one water pipe made of insulating material is fixed, and an electric control valve is arranged in the water pipe, and the electric control valve is connected with a control valve enclosed in the box body. The circuit board is connected with a sensor arranged on the water outlet device, the control circuit board is connected with a ground wire, and a built-in power supply is also packaged in the box body, and the control circuit board and the electric control valve are connected with the built-in power supply. The advantages of the contact control type water outlet control device and its control method are: 1. Reasonable design, simple structure, high working stability, and convenient operation and use. 2. It can be conveniently applied to existing water taps, without the need of substantial modification to the existing water taps. 3. It has a long service life, is not prone to failure, and can effectively save energy.

Description

Contact control type water outlet control device and control method thereof

technical field

The invention belongs to the technical field of water outlet devices, and in particular relates to a contact control type water outlet control device and a control method thereof.

Background technique

At present, the inductive water outlet device is widely used in various occasions. Compared with the traditional water outlet device that manually controls the water outlet switch, the inductive water outlet device is easier to be accepted by people because of its advantages of convenience and sanitation. However, the inductive water outlet device has disadvantages such as prone to failure, poor working stability, short service life, and high cost of use. In various occasions, inductive water outlet devices that cannot work normally can be seen everywhere, especially in public places with a large flow of people, the problem of high failure rate is particularly prominent, thus bringing unnecessary troubles to people's daily work.

For this reason, people have carried out long-term exploration, put forward various solutions. For example, a Chinese patent document discloses a proximity-sensing electronic faucet [application number: 201120374393.4], which includes a metal faucet body, a switching power supply and a control unit. The control unit includes a touch-sensing chip. When a person touches or approaches the metal faucet body, the body It is also connected as a part of the circuit. The touch sensing chip detects the capacitance change on the metal faucet body as the main sensor, and sends the signal to the MCU microprocessor. After the MCU microprocessor analyzes and processes the signal, it controls the faucet correspondingly through the execution device. The valve opens and closes, and the relevant parameters are displayed on the display screen. Someone else invented a touch-type faucet [Application No.: 201120140877.2], which includes a faucet body, a control circuit, a solenoid valve, and a power supply device. Signal; the control circuit is composed of a capacitance change signal processing unit that receives and processes touch signals, a microprocessor unit that judges touch signals and sends out control signals, and a solenoid valve control circuit unit that identifies control signals and controls solenoid valve switches; the faucet body A control circuit and a solenoid valve are arranged on the top; the control circuit is connected with the solenoid valve; the power supply device is respectively connected with the control circuit and the solenoid valve. The solenoid valve is also connected with an overtime protection device.

Although the above solution makes up for the deficiencies of the inductive water outlet device to a certain extent, it still has technical problems such as being unable to be applied to ordinary water taps, high manufacturing costs, and difficult to guarantee working stability.

Contents of the invention

The object of the present invention is to solve the above problems and provide a touch-controlled water outlet control device with reasonable design and simple structure, which can be conveniently applied to common faucets.

Another object of the present invention is to provide a touch-controlled water discharge control method that is easy to implement, easy to operate and use, and has good working stability.

In order to achieve the above object, the present invention adopts the following technical solutions: the contact control type water outlet control device is characterized in that the control device includes a box body made of insulating material, and at least one box made of insulating material is fixed on the box body. The formed water pipe is provided with an electric control valve in the water pipe, the water inlet end of the water pipe is connected with the water inlet pipe, the water outlet end of the water pipe is connected with the water inlet pipe and the water inlet pipe is connected with the water outlet device, and the water outlet pipe is connected with the water outlet device. The water inlet pipe, the water inlet pipe and the water outlet device are all made of conductive metal materials. The electric control valve is connected with a control circuit board packaged in the box body. change sensor, and when the sensor detects that the capacitance change of the water outlet device exceeds the set value, the control circuit board can send a control signal to control the opening or closing of the electric control valve, and the control circuit board is also connected with a ground wire And the other end of the grounding wire is connected with the water inlet pipe, the box body is also packaged with a built-in power supply, and the control circuit board and the electric control valve are both connected with the built-in power supply.

In the above-mentioned contact control type water outlet control device, the sensor includes an induction line connected to the control circuit board at one end and an insulating layer is provided on the periphery of the induction line, and the other end of the induction line is covered with an insulating layer. convex head.

In the above contact control water outlet control device, one end of the sensor provided with the insulating protrusion is fixed on the water outlet device through a positioning mechanism made of conductive metal material, and the positioning mechanism is in contact with the water outlet device.

In the above-mentioned contact control type water outlet control device, the water outlet device includes a faucet connected to the water inlet pipe, and the positioning mechanism includes a first fastening nut and a second fastening nut sleeved on the faucet. The above-mentioned insulating protruding head is clamped between the first fastening nut and the second fastening nut.

In the above-mentioned contact control type water outlet control device, two water pipes are fixed on the box body, and one of the electric control valves is arranged in each water pipe, and one of the water pipes is a cold water pipe. Another water pipe is a hot water pipe.

In the above-mentioned contact control type water outlet control device, the control circuit board includes a central processing unit, a sensor signal processing circuit and a valve driving circuit are connected to the central processing unit, and the sensor and the ground wire are connected to the sensor On the signal processing circuit, the electric control valve is connected to the valve drive circuit.

In the above-mentioned contact control type water outlet control device, the central processing unit is also connected with a buzzer and a power detection circuit for detecting the power of the built-in power supply, and the power detection circuit is connected with the built-in power supply and when the built-in power supply When the electricity is lower than the set value, the central processing unit sends a control signal to control the electric control valve to be in a closed state.

The contact control water discharge control method applied to the above contact control water discharge control device, the control method includes: the sensor monitors the change of capacitance in real time, when the central processing unit of the control circuit board is in the wake-up state, the duration of touching any part of the water discharge device When it exceeds the set effective touch threshold, it is determined that the touch is an effective touch. When the water outlet device is effectively touched, the central processing unit generates a control signal for controlling the opening of the electric control valve. After use, it is effectively touched again. When any part of the water outlet device is used, the central processing unit generates a control signal for controlling the closing of the electric control valve.

In the above-mentioned contact control water outlet control method, when the electric control valve is in the closed state for more than the set time, the central processor of the control circuit board enters the sleep state, and when the central processor is in the sleep state, touching any part of the water outlet device for more than When the wake-up touch threshold is set, it is determined that the touch is a wake-up touch, and the central processing unit switches to the wake-up state; the duration of the effective touch threshold is less than the duration of the wake-up touch threshold; each effective touch or wake-up When touched, the buzzer will make a corresponding sound.

In the above-mentioned contact control water outlet control method, the power of the built-in power supply is monitored in real time, and when it is detected that the power is lower than a set value, the central processing unit sends a control signal to control the electric control valve to be in a closed state.

Compared with the existing technology, the advantages of the contact control type water discharge control device and its control method are: 1. Reasonable design, simple structure, high working stability, and convenient operation and use. 2. It can be conveniently applied to existing water taps, without the need of substantial modification to the existing water taps. 3. It has a long service life, is not prone to failure, and can effectively save energy.

Description of drawings

Fig. 1 is a schematic diagram of the structure provided by the present invention.

Fig. 2 is a structural block diagram of Embodiment 1 provided by the present invention.

Fig. 3 is a structural block diagram of Implementation 2 provided by the present invention.

In the figure, box body 1, water pipe 2, electric control valve 3, water inlet pipe 4, water inlet pipe 5, water outlet device 6, faucet 61, control circuit board 7, central processing unit 71, sensor signal processing circuit 72, valve drive Circuit 73, power detection circuit 74, sensor 8, induction wire 81, insulating protrusion 82, built-in power supply 9, positioning mechanism 10, first fastening nut 101, second fastening nut 102, grounding wire 11, buzzer 12 .

detailed description

Example 1:

As shown in Figure 1-2, the contact control type water outlet control device includes a box body 1 made of insulating material, on which at least one water pipe 2 made of insulating material is fixed, and in the water pipe 2 An electric control valve 3 is provided, the water inlet end of the water pipe 2 communicates with the water inlet pipe 4 , the water outlet end of the water pipe 2 communicates with the water inlet pipe 5 and the water inlet pipe 5 communicates with the water outlet device 6 . The water inlet pipe 2, the water inlet pipe 5 and the water outlet device 6 are all made of conductive metal materials. The electric control valve 3 is connected with a control circuit board 7 packaged in the box body 1, and the control circuit board 7 is connected with a set The sensor 8 used to detect the capacitance change on the water outlet device 6, and when the sensor 8 detects that the capacitance change of the water outlet device 6 exceeds the set value, the control circuit board 7 can issue a control to open or close the electric control valve 3 The control signal is connected to the ground wire 11 on the control circuit board 7 and the other end of the ground wire 11 is connected to the water inlet pipe 2. The box body 1 is also packaged with a built-in power supply 9. The control circuit board 7 And electric control valve 3 are all connected with built-in power supply 9. In this embodiment, both the water inlet pipe 2 and the water inlet pipe 5 are braided outer pipes made of metal wires, and an inner pipe is compounded in the braided outer pipe.

In this embodiment, the sensor 8 includes an induction wire 81 with one end connected to the control circuit board 7 and an insulating layer is provided on the periphery of the induction wire 81 , and the other end of the induction wire 81 is covered with an insulating protrusion 82 . One end of the sensor 8 provided with an insulating protrusion 82 is fixed on the water outlet device 6 through a positioning mechanism 10 made of conductive metal material, and the positioning mechanism 10 is in contact with the water outlet device 6 . The water outlet device 6 includes a faucet 61 connected to the water inlet pipe 5 , and the positioning mechanism 10 includes a first fastening nut 101 and a second fastening nut 102 sheathed on the water faucet 61 . The insulating protrusion 82 is clamped between the first fastening nut 101 and the second fastening nut 102 . Obviously, this structure is beneficial to the transformation of the existing water outlet device, so that the common faucet has the function of touch water outlet control.

In this embodiment, the control circuit board 7 includes a central processing unit 71, on which a sensing signal processing circuit 72 and a valve driving circuit 73 are connected, and the sensor 8 and the ground wire 11 are connected to the sensing signal processing On the circuit 72 , the electric control valve 3 is connected to the valve driving circuit 73 . The central processing unit 71 is also connected with a buzzer 12 and a power detection circuit 74 for detecting the electric quantity of the built-in power supply 9. The electric quantity detection circuit 74 is connected with the built-in power supply 9 and is set when the built-in power supply 9 electric quantity is lower than the set value. The above-mentioned central processing unit 71 sends out a control signal to control the electric control valve 3 to be in a closed state.

The contact control water discharge control method applied to the above contact control water discharge control device includes: the sensor 8 monitors the change of the capacitance in real time, and when the central processing unit 71 of the control circuit board 7 is in the wake-up state, the duration of touching any part of the water discharge device 6 When it exceeds the set effective touch threshold, it is determined that the touch is an effective touch. When the water outlet device 6 is effectively touched, the central processing unit 71 generates a control signal for controlling the opening of the electric control valve 3. After use, it will be turned on again. When any part of the water outlet device 6 is touched effectively, the central processing unit 71 generates a control signal for controlling the closing of the electric control valve 3 .

When the electric control valve 3 is in the closed state for more than the set time, the central processing unit 71 of the control circuit board 7 enters the dormant state. threshold, it is determined that the touch is a wake-up touch, and the central processing unit 71 switches to the wake-up state; the duration of the effective touch threshold is less than the duration of the wake-up touch threshold; each effective touch or wake-up touch, the buzzer The buzzer 12 sends corresponding sound. The power of the built-in power supply 9 is monitored in real time, and when it is detected that the power is lower than the set value, the central processing unit 71 sends a control signal to control the electric control valve 3 to be in a closed state.

When in use, effectively touch any part of the faucet 61, since the faucet 61 is made of metal material, the environmental capacitance will change when the human body touches it. The sensor 8 monitors the change of the environmental capacitance in real time. When the human body touches the faucet 61, the sensor 8 can know that the environmental capacitance has changed, and input this change to the control circuit board 7, and the control circuit board 7 controls the electric control valve 3, so that It is open so that water can flow from the tap 61 . After use, touch any part of the faucet 61 again, at this moment, the sensor 8 detects the change of the environmental capacitance again, thereby transmitting the signal to the control circuit board 7, and the control circuit board 7 controls the electric control valve 3 to make it close state, so that water stops flowing out from the faucet 61.

In order to be able to save energy, in the present invention, when the water tap 61 is not used during the set time, the central processing unit 71 of the control circuit board 7 is in a dormant state. At this time, the energy loss is very small, and the energy loss is effectively avoided. Prolong the power supply time of built-in power supply 9. When the faucet 61 is touched, the central processing unit 71 is awakened for normal use. In addition, in order to avoid misoperation, the present invention sets the touch time when waking up to be longer than the effective touch time during normal work, thereby effectively ensuring the working stability. For example, when the faucet is accidentally touched by small creatures such as insects and rats, the central processing unit 71 will not be awakened, so as to avoid wasting water resources in unoccupied places.

Example 2:

As shown in Figure 3, in this embodiment, two water pipes 2 are fixed on the box body 1, and one of the above-mentioned electric control valves 3 is respectively arranged in each water pipe 2, and one of the water pipes 2 is cold water pipe, another water pipe 2 is a hot water pipe. This embodiment can realize warm water output. A water temperature regulating mechanism can be set on the water outlet device 6 . Certainly, the water temperature regulating mechanism may adopt a mature structure in the prior art, and details are not repeated here. The rest are similar to those in the embodiment, and will not be repeated here.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Those skilled in the art to which the present invention belongs can make various modifications or supplements to the described specific embodiments or adopt similar methods to replace them, but they will not deviate from the spirit of the present invention or go beyond the definition of the appended claims range.

Although this article uses more box body 1, water pipe 2, electric control valve 3, water inlet pipe 4, water inlet pipe 5, water outlet device 6, faucet 61, control circuit board 7, central processing unit 71, sensor signal processing circuit 72. Valve driving circuit 73, power detection circuit 74, sensor 8, induction wire 81, insulating protrusion 82, built-in power supply 9, positioning mechanism 10, first fastening nut 101, second fastening nut 102, grounding wire 11, Buzzer 12 and other terms, but does not exclude the possibility of using other terms. These terms are used only for the purpose of describing and explaining the essence of the present invention more conveniently; interpreting them as any kind of additional limitation is against the spirit of the present invention.

Claims (1)

1. one kind contact control formula effluent control device, it is characterised in that this control device includes the box being made up of insulating materials Body (1), is fixed with two water service pipes being made up of insulating materials (2) on box body (1), and electrically-controlled valve is provided with water service pipe (2) (3), the water inlet end of described water service pipe (2) is connected with water inlet pipe (4), the water side of water service pipe (2) connected with oral siphon (5) and Oral siphon (5) is connected with discharging device (6), and described water inlet pipe (4), oral siphon (5) and discharging device (6) is by conductive gold Category material is made, and water inlet pipe (4) and oral siphon (5) are using the braiding outer tube by metal wire knitted, in braiding outer tube It is compounded with inner tube, described electrically-controlled valve (3) and is connected with the control board (7) being encapsulated in box body (1), in control board (7) it is connected with to be arranged on and is used for the sensor (8) for detecting capacitance variations on discharging device (6), and when sensor (8) is detected Control board (7) described in when the capacitance variations of discharging device (6) exceed setting value can send the control electrically-controlled valve (3) and open The control signal for opening or closing, be also associated with control board (7) ground wire (11) and the other end of ground wire (11) with Water inlet pipe (4) is connected, and built-in power (9), described control board (7) and electrically-controlled valve are also packaged with described box body (1) (3) it is connected with built-in power (9)；Described sensor (8) includes the line of induction that one end is connected in control board (7) (81) and the line of induction (81) periphery be provided with insulating barrier, the other end end of the described line of induction (81) is coated with insulation plush copper (82)；The one end of described sensor (8) provided with insulation plush copper (82) passes through the detent mechanism that is made up of conductive metallic material (10) it is fixed on discharging device (6), described detent mechanism (10) is in contact with discharging device (6)；Described discharging device (6) tap (61) being connected on oral siphon (5) is included, described detent mechanism (10) includes being set on tap (61) The first clamp nut (101) and the second clamp nut (102), described insulation plush copper (82) is clamped in the first clamp nut (101) between the second clamp nut (102)；Described control board (7) includes central processing unit (71), in center processing Transducing signal process circuit (72) and valve driving circuit (73), described sensor (8) and ground wire are connected with device (71) (11) it is connected on transducing signal process circuit (72), described electrically-controlled valve (3) is connected on valve driving circuit (73)；Institute Buzzer (12) and the electric quantity detecting circuit for detecting built-in power (9) electricity are also associated with the central processing unit (71) stated (74), described electric quantity detecting circuit (74) is connected with built-in power (9) and when built-in power (9) electricity is less than arranges value when institute The central processing unit (71) stated sends the control signal for controlling the electrically-controlled valve (3) to be closed；In every water service pipe (2) The electrically-controlled valve (3) described in one is inside respectively equipped with, wherein a water service pipe (2) is cold water pipe, another water service pipe (2) is hot water Pipe；

Sensor (8) monitors the change of electric capacity in real time, when the central processing unit (71) of control board (7) is in wake-up states When, the duration for touching discharging device (6) any position exceedes when effectively touching threshold value of setting, judges that this touches effectively to touch Touch, when effectively touching discharging device (6), central processing unit (71) produces the control signal for controlling electrically-controlled valve (3) to open, After finishing, when effectively touching discharging device (6) any position again, central processing unit (71) is produced for controlling electrically-controlled valve (3) control signal closed；When electrically-controlled valve (3) is closed exceeding setting duration, the center processing of control board (7) Device (71) enters resting state, central processing unit (71) in a dormant state when, touch discharging device (6) any position and exceed When threshold value is touched in the wake-up of setting, judge that this is touched and touched as wake-up, central processing unit (71) switches to wake-up states；Described The duration for effectively touching threshold value is less than the duration for waking up and touching threshold value；Effectively touch or wake up every time when touching, buzzer (12) Send corresponding sound；The electricity of built-in power (9) is monitored in real time, the centre described in when detecting electricity less than arranges value Reason device (71) sends the control signal for controlling the electrically-controlled valve (3) to be closed.