CN214093145U

CN214093145U - Intelligent temperature control valve

Info

Publication number: CN214093145U
Application number: CN202022789427.8U
Authority: CN
Inventors: 田忠卿; 田发奎
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-08-31
Anticipated expiration: 2030-11-27

Abstract

The utility model discloses an intelligence temperature control valve, include: a water temperature control system and a mechanical valve; the water temperature control system is used for controlling a mechanical valve; the step motor driving module controls the movement of the valve core, so that cold water and hot water are mixed in proportion to obtain mixed cold water and hot water, and the touch button module, the infrared remote control module or the voice recognition module is used for changing the target temperature to realize intelligent water temperature regulation; the invention solves the problems that the constant temperature valve or the traditional manual mechanical valve in the current market has single internal structure and is lack of an intelligent temperature control device.

Description

Intelligent temperature control valve

Technical Field

The utility model relates to the technical field of valves, concretely relates to intelligence temperature control valve.

Background

China is a large population country, no matter factories, bath centers, hotels and families, people who have a bath are indispensable, in recent years, the constant-temperature valve on the market has a single internal structure and low technological content, and if the constant-temperature valve is accidentally collided with the valve, the water temperature at the water outlet is suddenly high or low; the water outlet temperature can not be accurately and rapidly adjusted due to the water pressure and the water temperature change of cold water and hot water; when cold water or hot water at a water inlet is interrupted, the water cannot be automatically cut off, and potential safety hazards exist; the voice control and touch control can not be realized, and the operation is inconvenient. The comfort and the bathing safety are affected, and the water resource waste is caused. Therefore, it is necessary to design an intelligent, precise and safe temperature-control water outlet valve according to the requirements of people. The system can still normally work according to the target temperature set by a user under the condition that the water inlet temperature and the water pressure are changed, and has the functions of water consumption statistics, bathing time and water temperature abnormity alarm, abnormal water temperature automatic water cut-off and the like.

The intelligent bathing vehicle water temperature Control system is characterized in that the core design is an electronic constant temperature valve, a stepping motor and the like, the water temperature is detected in real time through a temperature sensor arranged at a water outlet, the sensor feeds collected information back to an MCU (microprogrammed Control Unit), the MCU sends an instruction to Control the stepping motor to rotate, the stepping motor rotates to drive a valve core inside a valve body to rotate by a certain angle, and then the valve core of the constant temperature water mixing valve is adjusted in a dynamic mode to change the proportion of cold water and hot water so as to change the water outlet temperature, and finally the function of keeping the water outlet temperature constant is achieved. The control of the constant temperature water outlet can be realized only by controlling the valve core of the constant temperature water mixing valve to rotate to the corresponding position by the stepping motor. However, the intelligent bathing vehicle has large overall design volume and is clumsy, suitable for hospitals, nursing homes and the like, not suitable for common families and inconvenient for popularization and water temperature control.

At present, the adjustment temperature of the manual mechanical thermostatic valve is not fine enough, the temperature change is large, the temperature change is high or low, the comfort level of the human body is poor, water is wasted, and water supply and temperature control cannot be controlled by voice.

SUMMERY OF THE UTILITY MODEL

The aforesaid is not enough among the prior art, the utility model provides a pair of intelligence temperature control valve has solved "constant temperature valve" or traditional manual mechanical valve on the existing market, and inner structure is single, lacks the problem of the device of intelligence accuse temperature.

In order to achieve the purpose of the invention, the utility model adopts the technical scheme that: an intelligent temperature control valve comprising: a water temperature control system and a mechanical valve; the water temperature control system is used for controlling a mechanical valve;

the mechanical valve includes: the water mixing valve comprises a cold water inlet pipeline, a hot water inlet pipeline, a first connecting rod, a second connecting rod, a first valve core, a second valve core, a water mixing cavity, an electromagnetic valve and a water outlet;

one end of the cold water inlet pipeline is fixedly connected with the pipe wall at one end of the water mixing cavity; one end of the hot water inlet pipeline is fixedly connected with the pipe wall at the other end of the water mixing cavity; the first connecting rod, the second connecting rod, the first valve core and the second valve core are arranged in the water mixing cavity; one end of the first connecting rod is fixedly connected with the second valve core, and the other end of the first connecting rod is fixedly connected with one side of the first valve core; one end of the second connecting rod is fixedly connected with the other side of the first valve core, and the other end of the second connecting rod is fixedly connected with a stepping motor driving module in the water temperature control system; the water outlet is fixedly connected with the pipe wall of the water mixing cavity and used for leading out the mixed water flow; the electromagnetic valve is fixedly connected with the water outlet.

Furthermore, the first valve core and the second valve core are both square tubular bodies, and both ends of each square tubular body are provided with cross-shaped metal brackets; the first valve core and the second valve core are fixedly connected through the first connecting rod.

Further, the water temperature control system comprises: the device comprises a 12V power supply module, a 5V power supply module, a first 3.3V power supply module, a second 3.3V power supply module, a controller, a serial port communication module, a flow sensor module, a touch key module, an infrared remote control module, a voice recognition module, a liquid crystal display module, an alarm module, a temperature sensor module, a stepping motor driving module and an electromagnetic valve control module;

the stepping motor driving module is arranged on one side of the water mixing cavity where the hot water inlet pipeline is located and is fixedly connected with one end of the water mixing cavity; the output end of the 12V power supply module is electrically connected with the first power supply end of the electromagnetic valve control module, the input end of the 5V power supply module and the power supply end of the stepping motor driving module respectively; the output end of the 5V power supply module is respectively and electrically connected with the power supply end of the touch key module, the input end of the first 3.3V power supply module, the input end of the second 3.3V power supply module, the power supply end of the serial port communication module, the power supply end of the alarm module, the power supply end of the flow sensor module and the second power supply end of the solenoid valve control module; the output end of the second 3.3V power supply module is connected with the power supply end of the controller; the output end of the first 3.3V power supply module is respectively and electrically connected with the power supply end of the infrared remote control module, the power supply end of the voice recognition module, the power supply end of the liquid crystal display module and the power supply end of the temperature sensor module; the controller is respectively in communication connection with the serial port communication module, the flow sensor module, the touch key module, the infrared remote control module, the voice recognition module, the liquid crystal display module, the alarm module, the temperature sensor module, the stepping motor driving module and the solenoid valve control module.

Further, the 12V power supply module is a DC12V/30W switching power supply;

the 5V power module includes: a voltage stabilizing chip U1, a grounding capacitor C1, a capacitor C2, a grounding capacitor C3 and a grounding capacitor C4; the 12V input end of the voltage stabilizing chip U1 is respectively connected with the positive electrodes of a grounding capacitor C1 and a capacitor C2 and serves as the input end of the 5V power module, and the 5V output end of the voltage stabilizing chip U1 is respectively connected with a grounding capacitor C3 and a grounding capacitor C4 and serves as the output end of the 5V power module; the negative electrode of the capacitor C2 is grounded;

the first 3.3V power module and the second 3.3V power module each include: a voltage stabilizing chip U2, a grounding capacitor C5, a capacitor C6, a grounding capacitor C7 and a grounding capacitor C8; the 5V input end of the voltage stabilizing chip U2 is respectively connected with the positive electrodes of the grounding capacitor C5 and the capacitor C6, and is used as the input end of the first 3.3V power module or the second 3.3V power module, and the 3.3V output end of the voltage stabilizing chip U2 is respectively connected with the grounding capacitor C7 and the grounding capacitor C8 and is used as the output end of the first 3.3V power module or the second 3.3V power module; the negative electrode of the capacitor C6 is grounded;

the model of the voltage stabilizing chip U1 is L78M 05; the model of the voltage stabilizing chip U2 is AMS 1117-3.3.

Further, the temperature sensor module includes: a temperature sensor, a resistor R1 and a grounding capacitor C9;

the temperature sensor is arranged on the inner pipe wall of the water outlet; the VCC end of the temperature sensor is respectively connected with one end of a resistor R1 and a grounding capacitor C9 and serves as a power supply end of the temperature sensor module, the DQ end of the temperature sensor module is connected with the other end of the resistor R1 and is connected with the controller, and the GND end of the temperature sensor module is grounded; the model of the temperature sensor is DS18B 20;

the stepping motor driving module includes: the stepping motor and the stepping motor driving chip; the model of the stepping motor is 28 BYJ-F48; the model of the stepping motor driving chip is ULN 2003;

the speech recognition module includes: the microphone comprises a voice chip U4, an exclusion RP, a resistor R2, a capacitor C10, a capacitor C11, a grounding capacitor C12, a grounding resistor R3, a microphone MIC, a grounding capacitor C13 and an inductor H1;

the P [7..0] pin of the voice chip U4 is correspondingly connected with the pin on one side of the resistor RP one by one, the MICP pin of the voice chip U4 is connected with one end of a capacitor C10, the MICN pin of the voice chip U85is connected with one end of a capacitor C11, the MBS pin of the voice chip U85is connected with a grounded capacitor C12, and the VDDA pin of the voice chip U85is respectively connected with one ends of a grounded capacitor C13 and an inductor H1; the other end of the capacitor C10 is respectively connected with one end of a resistor R2 and one end of a microphone MIC; the other end of the capacitor C11 is respectively connected with the grounding resistor R3 and the other end of the microphone MIC; the VDDIO pin of the voice chip U4 is respectively connected with the other end of the inductor H1 and the pin on the other side of the resistor exclusion RP and serves as a power supply end of the voice recognition module;

the model of the voice chip U4 is LD 3320; the model of the infrared remote control module is HX 1838;

the touch key module includes: a ground resistor R4, a ground resistor R5, a ground resistor R6, a ground resistor R7, a capacitive touch control chip U5, a resistor R8, a resistor R9, a resistor R10, a resistor R11, a light emitting diode LED1, a light emitting diode LED2, a light emitting diode LED3, a light emitting diode LED4, a touch KEY KEY1, a touch KEY KEY2, a touch KEY KEY3 and a touch KEY KEY 4;

a Kin1 pin of the capacitive touch control chip U5 is respectively connected with a ground resistor R4 and a touch KEY KEY1, a Kin2 pin of the capacitive touch control chip U5 is respectively connected with a touch KEY KEY2 and a ground resistor R5, a Kin3 pin of the capacitive touch control chip U5 is respectively connected with a touch KEY KEY3 and a ground resistor R6, a Kin4 pin of the capacitive touch control chip U89is respectively connected with a touch KEY KEY4 and a ground resistor R7, a Kout1 pin of the capacitive touch control chip U5 is connected with one end of a resistor R8, a Kout2 pin of the capacitive touch control chip U5 is connected with one end of the resistor R9, a Kout3 pin of the capacitive touch KEY KEY 6342, a Kout4 pin of the capacitive touch KEY control chip U8927 is connected with one end of the resistor R11, and a VDD pin of the capacitive touch KEY control chip U5 is used as a power supply end of the touch KEY module; the anode of the light emitting diode LED1 is connected with the other end of the resistor R8, and the cathode of the light emitting diode LED1 is grounded; the anode of the light emitting diode LED2 is connected with the other end of the resistor R9, and the cathode of the light emitting diode LED2 is grounded; the anode of the light emitting diode LED3 is connected with the other end of the resistor R10, and the cathode of the light emitting diode LED3 is grounded; the anode of the light emitting diode LED4 is connected with the other end of the resistor R11, and the cathode of the light emitting diode LED4 is grounded; the type of the capacitive touch control chip U5 is WXAJ 2013;

the alarm module includes: a resistor R12, a triode Q1 and a horn L1; one end of the resistor R12 is connected with the base electrode of the triode Q1; the emitter of the triode Q1 is grounded, and the collector of the triode Q1 is connected with one end of a horn L1; the other end of the loudspeaker L1 is used as a power supply end of the alarm module;

the solenoid valve control module includes: the circuit comprises a resistor R13, a photoelectric coupler G1, a resistor R14, a resistor R15, a triode Q2 and a relay K1; the first input end of the photoelectric coupler G1 is connected with one end of a resistor R13, the second input end of the photoelectric coupler G1 is connected with the controller, the collector of the photoelectric coupler G1 is respectively connected with one end of a resistor R14 and one end of a resistor R15, and the emitter of the photoelectric coupler G1 is grounded; the collector of the triode Q2 is grounded, the base of the triode Q2 is connected with the other end of the resistor R14, and the emitter of the triode Q2 is connected with one end of the coil of the relay K1; the other end of the coil of the relay K1 is connected with the other end of the resistor R15 and serves as a first power supply end of the solenoid valve control module; the other end of the resistor R13 is used as a second power supply end of the solenoid valve control module; the electromagnetic valve is connected to one side of a switch of the relay K1;

the liquid crystal display module includes: an ILI9320 driver chip and a TFTLCD submodule, wherein the ILI9320 driver chip is used for driving the TFTLCD submodule;

the model of the controller is STM32F103ZET 6; the flow sensor module adopts a Hall flow sensor; the Hall flow sensor is arranged on the inner pipe wall of the water outlet.

The beneficial effects of the above further scheme are: a photoelectric coupler G1 is used for isolating a circuit in an electromagnetic valve control module, when a coil is suddenly powered off, reverse electromotive force can be generated at two ends of the coil and easily flows into a controller to damage the controller, and a photoelectric coupler G1 is used for isolating the circuit to achieve the purpose of protecting the controller.

The utility model has the advantages that: the utility model relates to an intelligence accuse temperature valve, through the removal of step motor drive module control case for the hot and cold water mixes in proportion, obtains the hot and cold water of mixing, and the invention changes the target temperature through touch button module, infrared remote control module or speech recognition module, realizes intelligent regulation temperature, and the problem of the device that "constant temperature valve" or traditional manual mechanical valve on the existing market, inner structure are single, lack intelligent accuse temperature has been solved to the invention.

Drawings

FIG. 1 is a schematic view of a mechanical valve structure;

FIG. 2 is a schematic diagram of a water temperature control system;

FIG. 3 is a schematic structural diagram of a 5V power module;

FIG. 4 is a schematic structural diagram of a first 3.3V power module and a second 3.3V power module;

FIG. 5 is a schematic structural diagram of a temperature sensor module;

FIG. 6 is a schematic diagram of a speech recognition module;

FIG. 7 is a schematic structural diagram of a touch key module;

FIG. 8 is a schematic structural diagram of an alarm module;

FIG. 9 is a schematic diagram of a solenoid valve control module;

wherein, 1, a cold water inlet pipeline; 2. a hot water inlet pipe; 3. a first connecting rod; 4. a second connecting rod; 5. a stepping motor driving module; 6. a first valve spool; 7. a second valve core; 8. a water mixing cavity; 9. a temperature sensor; 10. a Hall flow sensor; 11. an electromagnetic valve; 12. a water outlet; 13. an axis; 14. a cross-shaped metal bracket.

Detailed Description

The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and various changes will be apparent to those skilled in the art as long as they are within the spirit and scope of the present invention as defined and defined by the appended claims, and all inventions contemplated by the present invention are protected.

As shown in fig. 1, an intelligent temperature control valve includes: a water temperature control system and a mechanical valve; the water temperature control system is used for controlling a mechanical valve;

the mechanical valve includes: the water mixing device comprises a cold water inlet pipeline 1, a hot water inlet pipeline 2, a first connecting rod, a second connecting rod 4, a first valve core 6, a second valve core 7, a water mixing cavity 8, an electromagnetic valve 11 and a water outlet 12;

one end of the cold water inlet pipeline 1 is fixedly connected with the pipe wall at one end of the water mixing cavity 8; one end of the hot water inlet pipeline 2 is fixedly connected with the pipe wall at the other end of the water mixing cavity 8; the first connecting rod, the second connecting rod 4, the first valve core 6 and the second valve core 7 are arranged in the water mixing cavity 8; one end of the first connecting rod is fixedly connected with the second valve core 7, and the other end of the first connecting rod is fixedly connected with one side of the first valve core 6; one end of the second connecting rod 4 is fixedly connected with the other side of the first valve core 6, and the other end of the second connecting rod is fixedly connected with a stepping motor driving module 5 in the water temperature control system; the water outlet 12 is fixedly connected with the pipe wall of the water mixing cavity 8 and is used for guiding out the mixed water flow; the electromagnetic valve 11 is fixedly connected with the water outlet 12.

The first valve core 6 and the second valve core 7 are both square tubular bodies, and both ends of each square tubular body are provided with cross-shaped metal brackets 14; an axle center 13 is arranged in the same square tubular body, the axle center 13 is used for fixedly connecting cross-shaped metal brackets 14 at two ends of the same square tubular body, and the first connecting rod 3 fixedly connects the first valve core 6 and the second valve core 7 through the axle center 13

The first valve core 6 is a cold water valve core, the second valve core 7 is a hot water valve core, when the cold water valve core is fully opened, the hot water valve core is fully closed, after a preset target temperature is set, the temperature sensor 9 transmits an instant temperature, the valve core integrally moves leftwards through PID calculation and negative feedback regulation, the cold water is gradually closed, the hot water is gradually opened, the cold water and the hot water can be freely mixed in a hole in the middle of the valve core, the water temperature of the water mixing cavity gradually rises, otherwise, the stepping motor drives the valve core to integrally move rightwards, the cold water is gradually opened, the hot water is gradually closed, and the water temperature of the water mixing cavity gradually falls.

The mechanical valve is made of stainless steel metal materials, and a valve body of the mechanical valve is connected with a stepping motor sealing ring. When the temperature of the water outlet 12 is too high or too low, the temperature sensor 9 transmits temperature data to the controller, and the electromagnetic valve 11 is controlled by the controller to be automatically closed. The lengths of the first valve core 6 and the second valve core 7 are just the diameter of the cold and hot water pipe, and the distance between the first valve core 6 and the second valve core 7 and the pipe wall of the water mixing cavity 8 is very small, so that water leakage is prevented, and accurate temperature control is influenced. The temperature sensor 9 and the Hall flow sensor 10 are tightly attached to the pipe wall, and the temperature sensor and the Hall flow sensor are sealed with the pipe wall by a high-temperature sealing ring to prevent water leakage.

As shown in fig. 2, the water temperature control system includes: the device comprises a 12V power supply module, a 5V power supply module, a first 3.3V power supply module, a second 3.3V power supply module, a controller, a serial port communication module, a flow sensor module, a touch key module, an infrared remote control module, a voice recognition module, a liquid crystal display module, an alarm module, a temperature sensor module, a stepping motor driving module 5 and an electromagnetic valve control module;

the stepping motor driving module 5 is arranged on one side of the water mixing cavity 8 where the hot water inlet pipeline 2 is positioned and is fixedly connected with one end of the water mixing cavity 8; the output end of the 12V power supply module is electrically connected with the first power supply end of the electromagnetic valve control module, the input end of the 5V power supply module and the power supply end of the stepping motor driving module 5 respectively; the output end of the 5V power supply module is respectively and electrically connected with the power supply end of the touch key module, the input end of the first 3.3V power supply module, the input end of the second 3.3V power supply module, the power supply end of the serial port communication module, the power supply end of the alarm module, the power supply end of the flow sensor module and the second power supply end of the solenoid valve control module; the output end of the second 3.3V power supply module is connected with the power supply end of the controller; the output end of the first 3.3V power supply module is respectively and electrically connected with the power supply end of the infrared remote control module, the power supply end of the voice recognition module, the power supply end of the liquid crystal display module and the power supply end of the temperature sensor module; the controller is respectively in communication connection with the serial port communication module, the flow sensor module, the touch key module, the infrared remote control module, the voice recognition module, the liquid crystal display module, the alarm module, the temperature sensor module, the stepping motor driving module 5 and the solenoid valve control module.

And the serial port communication module is connected with an upper computer.

The 12V power supply module is a DC12V/30W switching power supply;

as shown in fig. 3, the 5V power supply module includes: a voltage stabilizing chip U1, a grounding capacitor C1, a capacitor C2, a grounding capacitor C3 and a grounding capacitor C4; the 12V input end of the voltage stabilizing chip U1 is respectively connected with the positive electrodes of a grounding capacitor C1 and a capacitor C2 and serves as the input end of the 5V power module, and the 5V output end of the voltage stabilizing chip U1 is respectively connected with a grounding capacitor C3 and a grounding capacitor C4 and serves as the output end of the 5V power module; the negative electrode of the capacitor C2 is grounded;

as shown in fig. 4, the first 3.3V power supply module and the second 3.3V power supply module each include: a voltage stabilizing chip U2, a grounding capacitor C5, a capacitor C6, a grounding capacitor C7 and a grounding capacitor C8; the 5V input end of the voltage stabilizing chip U2 is respectively connected with the positive electrodes of the grounding capacitor C5 and the capacitor C6, and is used as the input end of the first 3.3V power module or the second 3.3V power module, and the 3.3V output end of the voltage stabilizing chip U2 is respectively connected with the grounding capacitor C7 and the grounding capacitor C8 and is used as the output end of the first 3.3V power module or the second 3.3V power module; the negative electrode of the capacitor C6 is grounded;

As shown in fig. 5, the temperature sensor module includes: a temperature sensor 9, a resistor R1 and a grounding capacitor C9;

the temperature sensor 9 is arranged on the inner pipe wall of the water outlet 12; the VCC end of the temperature sensor 9 is respectively connected with one end of a resistor R1 and a grounding capacitor C9 and serves as a power supply end of the temperature sensor module, the DQ end of the temperature sensor module is connected with the other end of the resistor R1 and is connected with the controller, and the GND end of the temperature sensor module is grounded; the model of the temperature sensor 9 is DS18B 20;

the stepping motor driving module 5 includes: the stepping motor and the stepping motor driving chip; the model of the stepping motor is 28 BYJ-F48; the model of the stepping motor driving chip is ULN 2003;

as shown in fig. 6, the voice recognition module includes: the microphone comprises a voice chip U4, an exclusion RP, a resistor R2, a capacitor C10, a capacitor C11, a grounding capacitor C12, a grounding resistor R3, a microphone MIC, a grounding capacitor C13 and an inductor H1;

as shown in fig. 7, the touch key module includes: a ground resistor R4, a ground resistor R5, a ground resistor R6, a ground resistor R7, a capacitive touch control chip U5, a resistor R8, a resistor R9, a resistor R10, a resistor R11, a light emitting diode LED1, a light emitting diode LED2, a light emitting diode LED3, a light emitting diode LED4, a touch KEY KEY1, a touch KEY KEY2, a touch KEY KEY3 and a touch KEY KEY 4;

the four touch keys respectively control the intelligent temperature control valve to set the increase and decrease of the water temperature and the on and off of the electromagnetic valve 11.

As shown in fig. 8, the alarm module includes: a resistor R12, a triode Q1 and a horn L1; one end of the resistor R12 is connected with the base electrode of the triode Q1; the emitter of the triode Q1 is grounded, and the collector of the triode Q1 is connected with one end of a horn L1; the other end of the loudspeaker L1 is used as a power supply end of the alarm module;

as shown in fig. 9, the solenoid valve control module includes: the circuit comprises a resistor R13, a photoelectric coupler G1, a resistor R14, a resistor R15, a triode Q2 and a relay K1; the first input end of the photoelectric coupler G1 is connected with one end of a resistor R13, the second input end of the photoelectric coupler G1 is connected with the controller, the collector of the photoelectric coupler G1 is respectively connected with one end of a resistor R14 and one end of a resistor R15, and the emitter of the photoelectric coupler G1 is grounded; the collector of the triode Q2 is grounded, the base of the triode Q2 is connected with the other end of the resistor R14, and the emitter of the triode Q2 is connected with one end of the coil of the relay K1; the other end of the coil of the relay K1 is connected with the other end of the resistor R15 and serves as a first power supply end of the solenoid valve control module; the other end of the resistor R13 is used as a second power supply end of the solenoid valve control module; the electromagnetic valve 11 is connected to the switch side of the relay K1;

the TFTLCD liquid crystal screen display content comprises the following steps: the current outlet water temperature value collected by the temperature sensor 9, and the set temperature value, the bathing time, the bathing water consumption and the water temperature abnormal alarm of the user are also displayed.

The model of the controller is STM32F103ZET 6; the flow sensor module adopts a Hall flow sensor 10; the hall flow sensor 10 is arranged on the inner pipe wall of the water outlet 12.

Three functions that need to be performed by the hall flow sensor 10 are as follows;

1. when the water supply pipeline has a problem and water is cut off, the Hall flow sensor 10 feeds a signal back to the controller, and the controller closes the electromagnetic valve 11 in time to prevent water resource waste and unnecessary loss when water comes suddenly.

2. The Hall flow sensor 10 can detect the water consumption of a user in the bathing process in real time, so that the user can experience and feel visually, and the purpose of saving water can be achieved.

3. When the cold water and the hot water in the water supply pipeline have problems and water is cut off, the Hall flow sensor 10 can detect the reduction of the current water pressure, so that the electromagnetic valve 11 is closed in time; particularly, in the case of water cut-off of the cold water pipe, if the electromagnetic valve 11 is not closed in time, scalding is easily caused. The hall element outputs an electrical signal due to the different magnetic poles being close to the hall sensor 10. The actual water flow can be measured by using a formula according to the electric signals. The starting water pressure of the hall sensor 10 is 0.01 MPa. The hall sensor 10 has the advantages of fast response speed, simple interface with the controller, and low price.

In the present embodiment, the controller is further provided with an external memory, which is FSMC, and the reason why the FSMC interface is used in the present invention is because a larger storage capacity and a faster storage speed are required during the display of the tft lcd screen.

In this embodiment, the type of the electromagnetic valve 11 is a 12v dc electromagnetic valve of 2W160-15, the valve body is made of brass, the valve is normally closed (i.e. open when energized and closed when de-energized), and the pressure to be borne is 0-1 MPa.

Table 1 is a connection table of the communication interface of each module and the controller.

TABLE 1

Claims

1. An intelligent temperature control valve, comprising: a water temperature control system and a mechanical valve; the water temperature control system is used for controlling a mechanical valve;

the mechanical valve includes: the water mixing device comprises a cold water inlet pipeline (1), a hot water inlet pipeline (2), a first connecting rod (3), a second connecting rod (4), a first valve core (6), a second valve core (7), a water mixing cavity (8), an electromagnetic valve (11) and a water outlet (12);

one end of the cold water inlet pipeline (1) is fixedly connected with the pipe wall at one end of the water mixing cavity (8); one end of the hot water inlet pipeline (2) is fixedly connected with the pipe wall at the other end of the water mixing cavity (8); the first connecting rod (3), the second connecting rod (4), the first valve core (6) and the second valve core (7) are arranged in the water mixing cavity (8); one end of the first connecting rod (3) is fixedly connected with the second valve core (7), and the other end of the first connecting rod is fixedly connected with one side of the first valve core (6); one end of the second connecting rod (4) is fixedly connected with the other side of the first valve core (6), and the other end of the second connecting rod is fixedly connected with a stepping motor driving module (5) in the water temperature control system; the water outlet (12) is fixedly connected with the pipe wall of the water mixing cavity (8) and is used for guiding out the mixed water flow; the electromagnetic valve (11) is fixedly connected with the water outlet (12).

2. The intelligent temperature control valve according to claim 1, wherein the first valve core (6) and the second valve core (7) are both square tubular bodies, and cross-shaped metal brackets (14) are arranged at two ends of each square tubular body; an axle center (13) is arranged in the same square tubular body, the axle center (13) is used for fixedly connecting cross-shaped metal supports (14) at two ends of the same square tubular body, and the first connecting rod (3) is used for fixedly connecting the first valve core (6) and the second valve core (7) through the axle center (13).

3. The intelligent temperature control valve according to claim 1, wherein the water temperature control system comprises: the device comprises a 12V power supply module, a 5V power supply module, a first 3.3V power supply module, a second 3.3V power supply module, a controller, a serial port communication module, a flow sensor module, a touch key module, an infrared remote control module, a voice recognition module, a liquid crystal display module, an alarm module, a temperature sensor module, a stepping motor driving module (5) and an electromagnetic valve control module;

the stepping motor driving module (5) is arranged on one side of the water mixing cavity (8) where the hot water inlet pipeline (2) is located and is fixedly connected with one end of the water mixing cavity (8); the output end of the 12V power supply module is electrically connected with the first power supply end of the electromagnetic valve control module, the input end of the 5V power supply module and the power supply end of the stepping motor driving module (5) respectively; the output end of the 5V power supply module is respectively and electrically connected with the power supply end of the touch key module, the input end of the first 3.3V power supply module, the input end of the second 3.3V power supply module, the power supply end of the serial port communication module, the power supply end of the alarm module and the power supply end of the flow sensor module; the output end of the second 3.3V power supply module is connected with the power supply end of the controller; the output end of the first 3.3V power supply module is respectively and electrically connected with the power supply end of the infrared remote control module, the power supply end of the voice recognition module, the power supply end of the liquid crystal display module, the power supply end of the temperature sensor module and the second power supply end of the solenoid valve control module; the controller is respectively in communication connection with the serial port communication module, the flow sensor module, the touch key module, the infrared remote control module, the voice recognition module, the liquid crystal display module, the alarm module, the temperature sensor module, the stepping motor driving module (5) and the solenoid valve control module.

4. The intelligent temperature control valve according to claim 3, wherein the 12V power supply module is a DC12V/30W switching power supply;

5. The intelligent temperature controlled valve according to claim 3, wherein the temperature sensor module comprises: a temperature sensor (9), a resistor R1 and a grounding capacitor C9;

the temperature sensor (9) is arranged on the inner pipe wall of the water outlet (12); the VCC end of the temperature sensor (9) is respectively connected with one end of a resistor R1 and a grounding capacitor C9 and serves as a power supply end of the temperature sensor module, the DQ end of the temperature sensor module is connected with the other end of the resistor R1 and the controller, and the GND end of the temperature sensor module is grounded; the type of the temperature sensor (9) is DS18B 20;

the stepping motor driving module (5) includes: the stepping motor and the stepping motor driving chip; the model of the stepping motor is 28 BYJ-F48; the model of the stepping motor driving chip is ULN 2003.

6. The intelligent temperature control valve according to claim 3, wherein the voice recognition module comprises: the microphone comprises a voice chip U4, an exclusion RP, a resistor R2, a capacitor C10, a capacitor C11, a grounding capacitor C12, a grounding resistor R3, a microphone MIC, a grounding capacitor C13 and an inductor H1;

the alarm module includes: a resistor R12, a triode Q1 and a horn L1; one end of the resistor R12 is connected with the base electrode of the triode Q1; the emitter of the triode Q1 is grounded, and the collector of the triode Q1 is connected with one end of a horn L1; the other end of the horn L1 is used as a power supply end of the alarm module.

7. The intelligent temperature controlled valve according to claim 3, wherein the solenoid valve control module comprises: the circuit comprises a resistor R13, a photoelectric coupler G1, a resistor R14, a resistor R15, a triode Q2 and a relay K1; the first input end of the photoelectric coupler G1 is connected with one end of a resistor R13, the second input end of the photoelectric coupler G1 is connected with the controller, the collector of the photoelectric coupler G1 is respectively connected with one end of a resistor R14 and one end of a resistor R15, and the emitter of the photoelectric coupler G1 is grounded; the collector of the triode Q2 is grounded, the base of the triode Q2 is connected with the other end of the resistor R14, and the emitter of the triode Q2 is connected with one end of the coil of the relay K1; the other end of the coil of the relay K1 is connected with the other end of the resistor R15 and serves as a first power supply end of the solenoid valve control module; the other end of the resistor R13 is used as a second power supply end of the solenoid valve control module; the electromagnetic valve (11) is connected to one side of a switch of the relay K1;

the liquid crystal display module includes: an ILI9320 driver chip and a TFTLCD submodule, wherein the ILI9320 driver chip is used for driving the TFTLCD submodule.

8. The intelligent temperature control valve according to claim 3, wherein the controller is model number STM32F103ZET 6; the flow sensor module adopts a Hall flow sensor (10); the Hall flow sensor (10) is arranged on the inner pipe wall of the water outlet (12).