CN201582445U - Full-automatic temperature control water mixing valve - Google Patents
Full-automatic temperature control water mixing valve Download PDFInfo
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- CN201582445U CN201582445U CN2009202326965U CN200920232696U CN201582445U CN 201582445 U CN201582445 U CN 201582445U CN 2009202326965 U CN2009202326965 U CN 2009202326965U CN 200920232696 U CN200920232696 U CN 200920232696U CN 201582445 U CN201582445 U CN 201582445U
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- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 6
- 239000003381 stabilizer Substances 0.000 claims description 6
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000000498 cooling water Substances 0.000 claims description 4
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- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
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Abstract
The utility model discloses a full-automatic temperature control water mixing valve. A driving circuit of a microcomputer automatic controller (16) is connected with a stepping motor (4), a temperature detection circuit of the microcomputer automatic controller (16) is connected with a temperature sensor (14), a bolt (3) is arranged at the center of a valve body (7), one end of the bolt (3) is provided with an inner gear ring (6), and the other end thereof is provided with a fixed valve core (10) and a movable valve core (11), a gear (5) is arranged on a shaft of the stepping motor (4), the fixed valve core (10) provided with a pair of circular holes (17) is arranged on the valve body (7), the movable valve core (11) provided with a pair of crescent holes (18) corresponds to the fixed valve core (10), a water mixing joint (13) corresponds to the movable valve core (11), and two ports on the valve body are a cold water inlet (1) and a hot water inlet (8). By adopting the design of mechanical-electrical integration, the use is convenient and safe, the problem of great change of the water mixing temperature is solved, the cold water stimulation and hot water scalding are avoided, and the water resources in the conventional temperature regulating process are saved.
Description
Technical field
The utility model relates to a kind of full-automatic temperature control and mixes water valve, is the mixed water valve that is applicable to that the temperature in central heating system, bath center and the household water heater system is controlled automatically.
Background technique
At present, various household water heaters and industrial and commercial enterprises' central heat supply and concentrated Bathing apparatus fast development, people to economize on resources and safety in utilization have higher requirement.
When adopting common mixed water valve bathing, because the fluctuation of hot water or cold water's flow and pressure, it is big easily to cause mixing water fluctuating temperature amplitude, be difficult for being locked on a certain temperature, light then cause the waste of water resources, heavy then cause cold shock and scald, bring inconvenience to the user.
Summary of the invention
The purpose of this utility model is: provide a kind of full-automatic temperature control to mix water valve, Electromechanical Design, safety easy to use, solve because the problem that the water-mixing temperature that the fluctuation of hot water or cold water's flow and pressure causes changes significantly, avoid causing cold shock and scald, save the water resources of excessive waste in conventional temperature adjustment process to the user.
Technical solution of the present utility model is: this mixed water valve comprises valve and micro computer automatic controlling instrument, and the drive circuit of micro computer automatic controlling instrument connects the stepper motor of valve, and the temperature sensing circuit of microcomputerized control instrument connects the temperature transducer of valve; Described valve comprises valve body, stepper motor, bolt, fixed valve plug, movable valve plug, mix water swivel and temperature transducer, at the valve body center of threeway shape construction bolt, one end of bolt is installed ring gear by nut, the ring gear engaging gear, gear is installed on the axle of stepper motor, the other end of bolt is installed fixed valve plug and movable valve plug successively by nut, fixed valve plug is installed on the valve body by locating stud, establish a pair of circular hole on the fixed valve plug, establish the circular hole of the corresponding fixed valve plug in a pair of crescent moon hole on the movable valve plug, the mixed water swivel that is provided with mixed export is installed on the valve body, mix mounting temperature sensor on the water swivel, the cooling water inlet of two other interface and hot water inlet passing hole channel flow are corresponding fixed on the valve body, movable valve plug; Described micro computer automatic controlling instrument comprises housing and circuit board, button and display screen are installed on the panel of housing, button and display screen connect the major loop on the circuit board, and major loop is connected by control circuit, display circuit, button, temperature sensing circuit, human body proximity detection circuit, power circuit, drive circuit and closed-loop feedback circuit and forms.
Full-automatic temperature control of the present utility model mixes in the water valve, and steel ball is installed in ring gear and valve body contacting point.
Full-automatic temperature control of the present utility model mixes in the water valve, mixes water swivel and is installed on the valve body by seal ring.
Full-automatic temperature control of the present utility model mixes in the water valve, the control circuit of the major loop of micro computer automatic controlling instrument adopts the ATMEGA8535L single-chip microcomputer, 40 pin of port PA0 meet R13,39 pin of port PA1 meet R5 respectively and RT arrives ground and R6 and R7,38 pin of port PA2 meet RT (Pt100) to ground, 37 pin of port PA3 meet R7 to ground, 36 pin of port PA4 meet R3 and led module CS1 (DISPLAY1), 35 pin of port PA5 meet R15 and gather port to the output signal that ultrasound receives, port PA6,34 of PA7,33 pin meet 1 of led module CS1 and CS2 (DISPLAY1 and DISPLAY2) respectively, 2 pin, 22～26 pin of port PC0～PC4 connect 3～7 pin of led module CS1 and CS2 (DISPLAY1 and DISPLAY2) respectively, 27 pin of port PC5 connect the valve minimum flow signal input part of incremental optical-electricity encoder, 28 pin of port PC6 connect incremental optical-electricity encoder C phase, 29 pin of port PC7 meet R4 to led module CS2,32 pin of port AREF connect capacitor C 1 to ground, the 31 pin ground connection of port AGND, 30 pin of port AVCC connect capacitor C 2 to ground, 1 pin of port PB0 meets 2 of AND circuit SN74HC08,4,10 and 12 pin, 2 pin of port PB1 connect incremental optical-electricity encoder B phase, 4～6 pin of port PB3～5 connect the last key (SW-UP) of button respectively, middle key (SW-MID) and following key (SW-DOWN), 7 and 8 pin of port PB6 and PB7 connect 1 and 5 pin with door SN74HC08 respectively, 14 and 15 pin of port PD0 and PD1 connect 9 and 13 pin with door SN74HC08 respectively, 16 pin of port PD2 meet R14,17 pin of port PD3 connect the Q end of U2 (d type flip flop), 21 pin of port PD7 connect the valve maximum flow (aperture) of incremental optical-electricity encoder, 9 pin of port RESET meet R8 to power supply+5V, meet C3 to ground, R8 and C3 form the electrify restoration circuit of ATMEGA8535L, 10 pin of port VCC meet power supply+5V, the 11 pin ground connection of port GND, all the other are the not wiring of empty pin.
Full-automatic temperature control of the present utility model mixes in the water valve, the display circuit of the major loop of micro computer automatic controlling instrument adopts led module, a, b, c, d, e, f, the g of DISPLAY1 and DISPLAY2 coupled together insert the ATMEGA8535L single-chip microcomputer, CS1, CS2 connect the C utmost point that R1 and R2 meet NPN triode VT1 and VT2 more respectively, B utmost point connecting resistance R3 and the R4 of VT1 and VT2, the E utmost point ground connection of VT1 and VT2.
Full-automatic temperature control of the present utility model mixes in the water valve, the button of the major loop of micro computer automatic controlling instrument is selected touch-switch for use, SW-UP, SW-MID, SW-DOWN one end insert+5V jointly, and the other end inserts 4,5 and 6 pin of ATMEGA8535L single-chip microcomputer respectively.
Full-automatic temperature control of the present utility model mixes in the water valve, and the temperature detection of the major loop of micro computer automatic controlling instrument examination circuit is made up of resistance R 5 and platinum resistor RT (Pt100), forms the correction value network by R6 and R7.
Full-automatic temperature control of the present utility model mixes in the water valve, the human body proximity detection circuit of the major loop of micro computer automatic controlling instrument adopts ultrasonic receiver and transmitter, transmitter one termination power VDD, the C utmost point of another termination triode VT3, the E utmost point ground connection of triode VT3, the B utmost point of triode VT3 meet 16 pin that insert the ATMEGA8535L single-chip microcomputer behind the R14 again, a termination power VDD of three end-receiver, the other end ground connection, 19 pin of access ATMEGA8535L single-chip microcomputer behind the signal termination R15.
Full-automatic temperature control of the present utility model mixes in the water valve, and the power vd D circuit of the major loop of micro computer automatic controlling instrument adopts direct current 9～12V switch power, and+5V power supply is provided by the U6 three-terminal regulator block, U6 input termination VDD, output termination+5V, GND ground connection.
Full-automatic temperature control of the present utility model mixes in the water valve, the drive circuit of the major loop of micro computer automatic controlling instrument adopts U4 and U5, U4 is chip I R2112S, HIN holds 12 pin and LIN to hold 14 pin to insert 3 and 6 output terminals of SN74HC08 and door respectively, VCC holds 11 pin and VSS to hold 15 pin to insert power vd D and ground respectively, HO holds 8 pin and LO to hold 1 pin to connect the control grid that inserts MF1 and MF2 behind R9 and the R10 respectively, VB holds 7 pin to connect the anode of D1 diode, VCC holds 3 pin to connect the negative electrode of D1 diode, VB holds 7 pin and VS to hold cross-over connection capacitor C 6 between 6 pin, VCC holds 3 pin and COM to hold cross-over connection capacitor C 7 between 2 pin, VS holds 6 pin to insert the MF1 source electrode, COM holds 2 pin to insert the MF2 source electrode, the MF1 drain electrode inserts power vd D, insert the motor positive pole after MF1 source electrode and MF2 drain electrode are joined, the MF2 source electrode meets little value sampling resistor R13 and filter capacitor C5 arrives ground, inserts Z1 and Z2 voltage-stabiliser tube between MF1 drain-source and MF2 drain-source respectively; U5 is chip I R2112S, HIN holds 12 pin and LIN to hold 14 pin to insert 8 and 1 output terminal of SN74HC08 and door respectively, VCC holds 11 pin and VSS to hold 15 pin to insert power vd D and ground respectively, HO holds 8 pin and LO to hold 1 pin to connect the control grid that inserts MF3 and MF4 behind R11 and the R12 respectively, VB holds 7 pin to connect the anode of D2 diode, VCC holds 3 pin to connect the negative electrode of D2 diode, VB holds 7 pin and VS to hold cross-over connection capacitor C 8 between 6 pin, VCC holds 3 pin and COM to hold cross-over connection capacitor C 9 between 2 pin, VS holds 6 pin to insert the MF3 source electrode, COM holds 2 pin to insert the MF4 source electrode, the MF3 drain electrode inserts power vd D, insert the motor negative pole after MF3 source electrode and MF4 drain electrode are joined, the MF4 source electrode meets little value sampling resistor R13 and filter capacitor C5 arrives ground, inserts Z3 and Z4 voltage-stabiliser tube between MF3 drain-source and MF4 drain-source respectively.
Full-automatic temperature control of the present utility model mixes in the water valve, the closed-loop feedback circuit of the major loop of micro computer automatic controlling instrument adopts incremental photo encoder, incremental photo encoder also claims the increment photoelectric coded disk, be a kind of the angular displacement that records to be converted to the digital transducer of pulse shape signal output, photoelectric encoder is divided into two kinds of absolute optical encoder and incremental optical-electricity encoders.
During work, mixed water valve of the present utility model is according to the personalized requirement of user to the bathing temperature, on the micro computer automatic controlling instrument, set water-mixing temperature, start stepper motor, by the temperature transducer that mixes the water out place observed temperature signal feed back is compared with setting temperature in the micro computer automatic controlling instrument, the micro computer automatic controlling instrument sends angular displacement signal to stepper motor again, cooperate through stepper motor, gear pair, fixed, movable valve plug hot water or cold water's flow proportional is finely tuned, water-mixing temperature is remained on the temperature spots of setting.
The utlity model has following advantage: 1, can set water-mixing temperature on, lower limit when water-mixing temperature is lower than lower limit or is higher than in limited time, is closed water outlet rapidly, in case the user is produced the low temperature cold shock and high temperature is scalded; 2, utilize the using water wisely of human body proximity detection circuit, close water outlet under the situation of unmanned bathing of short time, open automatically when the bather returns in the delay time of setting, system closes water route and circuit automatically during long-time no one; 3, adopt 5～12 volts of DC power supply, save the energy; 4, automatic controlling instrument is provided with the water-mixing temperature synchronized display, and is simple and clear; 5, be applied to the mixed water management of hospital, school, industrial and mining enterprise, bath center, domestic solar, combustion gas and electric water heater, applied widely; 6, adopt temperature to set, realize the automatic constant-temperature water outlet by the micro computer automatic controlling instrument, simple to operate; 7, drive circuit adopts the H bridge-type, and forward and reverse driving is simple in structure, the control accuracy height, and power consumption is few; 8, adopt increment type electricity coding or slide resistor to form the valve collar feeder loop, improve the handling of motor; 9, micro computer adopts embedded software, demonstration, button, customer location test interface etc. is integrated form a complete control loop, and main loop design is simple; 10, display circuit adopts LED nixie tube module to carry out temperature demonstration, brightness height; 11, button partly adopts touch-switch, and the life-span is long, and volume is little; 12, temperature sensing circuit adopts thermistor, and is highly sensitive; 13, human body proximity detection circuit adopts ultrasonic radar test or human body microwave test at large-scale bathing place, and family expenses or small-sized place adopt thermoelectricity XIR Extreme Infrared mode to test, and mode is various; 14, power circuit adopts different power supply plans at different applications, adopts 12V switching power supply centrally connected power supply at large-scale bathing place, and 9V alkalescence or lithium battery power supply, energy-saving safe are adopted in family expenses or small-sized place; 15, adopt direct current generator, gear pair, fixed, movable valve plug interlock mode, its degree of control height, good reliability; 16, ceramic valve core is less scaling, and the life-span is long; 17, the closed-loop feedback circuit adopts incremental photoelectrical coded disk back-to-back running direction and position at large-scale bathing place, noncontacting proximity sensor, life-span is long, fault is low, volume is little simultaneously, adopts the sliding type electric resistance sensor at family expenses or small-sized place, and volume is little, simple in structure, satisfy the control accuracy requirement.
Description of drawings
Fig. 1 is a structural representation of the present utility model
Fig. 2 is the fixed valve plug structural representation of Fig. 1
Fig. 3 is the movable valve plug structural representation of Fig. 1
Fig. 4 is the automatic controlling instrument schematic appearance of Fig. 1
Fig. 5 is the schematic block circuit diagram of Fig. 4
Fig. 6 is one of embodiment's of Fig. 4 a large-scale place schematic representation
Fig. 7 is the embodiment's of Fig. 4 two a small-sized household schematic representation
Among the figure: 1 cooling water inlet, 2 steel balls, 3 bolts, 4 stepper motors, 5 gears, 6 ring gears, 7 valve bodies, 8 hot water inlets, 9 locating studs, 10 fixed valve plugs, 11 movable valve plugs, 12 mix water out, 13 mix water swivel, 14 temperature transducers, 15 seal rings, 16 micro computer automatic controlling instruments, 17 circular holes, 18 crescent moon holes, 19 housings, 20 buttons, 21 display screens.
Embodiment
Shown in Fig. 1-4, this mixed water valve comprises valve and micro computer automatic controlling instrument 16, and the drive circuit of micro computer automatic controlling instrument 16 connects the stepper motor 4 of valve, and the temperature sensing circuit of microcomputerized control instrument 16 connects the temperature transducer 14 of valve; Described valve comprises valve body 7, stepper motor 4, bolt 3, fixed valve plug 10, movable valve plug 11, mix water swivel 13 and temperature transducer 14, valve body 7 center construction bolts 3 at the threeway shape, one end of bolt 3 is installed ring gear 6 by nut, ring gear 6 engaging gears 5, gear 5 is installed on the axle of stepper motor 4, the other end of bolt 3 is installed fixed valve plug 10 and movable valve plug 11 successively by nut, fixed valve plug 10 is installed on the valve body 7 by locating stud 9, establish a pair of circular hole 17 on the fixed valve plug 10, establish the circular hole 17 of a pair of crescent moon hole 18 corresponding fixed valve plugs 10 on the movable valve plug 11, it is corresponding fixed that the mixed water swivel 13 that is provided with mixed export 12 is installed on the valve body 7, movable valve plug 10,11, mix mounting temperature sensor 14 on the water swivel 13, the cooling water inlet 1 of other two interfaces of valve body 7 and hot water inlet 8 are corresponding fixed by hole wildcard stream, movable valve plug 10,11; Described micro computer automatic controlling instrument 16 comprises housing 19 and circuit board, button 20 and display screen 21 are installed on the panel of housing 19, the major loop that button 20 and display screen 21 connect on the circuit board, major loop are connected by control circuit, display circuit, button, temperature sensing circuit, human body proximity detection circuit, power circuit, drive circuit and closed-loop feedback circuit and form.
Full-automatic temperature control of the present utility model mixes in the water valve, and ring gear 6 is installed steel ball 2 with valve body 7 contacting points.
Full-automatic temperature control of the present utility model mixes in the water valve, mixes water swivel 13 and is installed on the valve body 7 by seal ring 15.
Full-automatic temperature control of the present utility model mixes in the water valve, and shown in Fig. 5-7, the control circuit of the major loop of micro computer automatic controlling instrument adopts the ATMEGA8535L single-chip microcomputer, and its minimum operating voltage is 3V, and initialization is set to the inner RC oscillator of 8MHz during work; 40 pin of port PA0 meet R13, are set to the inlet opening and gather motor working current; 39 pin of port PA1 meet R5 respectively and RT arrives ground and R6 and R7 to ground, are set to delivery outlet, are the temperature detection power supply; 38 pin of port PA2 meet RT (Pt100) to ground, are set to the inlet opening, and the voltage of gathering on the thermistor calculates temperature value; 37 pin of port PA3 meet R7 to ground, are set to the inlet opening, and collection R7 voltage-to-ground calculates 39 pin voltages provides correction value for temperature computation; 36 pin of port PA4 meet R3, are set to delivery outlet, for led module CS1 (DISPLAY1) provides a gating siganl; 35 pin of port PA5 meet R15, are set to the inlet opening, are that the output signal of ultrasonic receiver is gathered port, when signal is arranged for there being the people just in use; 1 and 2 pin that 34,33 pin of port PA6, PA7 meet led module CS1 and CS2 (DISPLAY1 and DISPLAY2) respectively show a and b section, are set to delivery outlet; 3～7 pin that 22～26 pin of port PC0～PC4 meet led module CS1 and CS2 (DISPLAY1 and DISPLAY2) respectively show c～g section, are set to delivery outlet; 27 pin of port PC5 connect the valve minimum flow signal input part of incremental optical-electricity encoder, are set to the inlet opening, for the emergency cut-off valve provides absolute reference; 28 pin of port PC6 connect incremental optical-electricity encoder home pulse signal, provide motor to rotate a week and valve position signal, are one of foundations that PWM controls and PID adjusts; 29 pin of port PC7 meet R4, for led module CS2 (DISPLAY2) provides a gating siganl; 32 pin of port AREF connect capacitor C 1 to ground, gather the 2.56V reference voltage that standard is provided for AD; The 31 pin ground connection of port AGND are the ground of analog circut; 30 pin of port AVCC connect capacitor C 2 to ground, inductance L 1 is to+5V, is the power supply of analog circut, capacitor C 2 and inductance L 1 are formed low-pass network filtering high-frequency digital Flutter; 1 pin of port PB0 connects 2,4,10 and 12 pin of AND circuit SN74HC08, is the output control mouth of PWM; Port PB1 is that 2 pin connect the pulse of incremental optical-electricity encoder B phase, and one of foundation of direction of motor rotation and valve position signal is provided; 4～6 pin of port PB3～5 connect the last key (SW-UP) of button, middle key (SW-MID) and following key (SW-DOWN) respectively, are set to the inlet opening, and high level is that key is pressed; 7 and 8 pin of port PB6 and PB7 are set to delivery outlet and connect 1 and 5 pin with door SN74HC08 respectively, are underarms on a group of control H bridge; 14 and 15 pin of port PD0 and PD1 are set to delivery outlet, connect 9 and 13 pin with door SN74HC08 respectively, are that another group of control H bridge goes up underarm; 16 pin of port PD2 are set to delivery outlet, meet R14 and provide control signal for ultrasound transmitter device; 17 pin of port PD3 are set to the inlet opening, are the Q end detection direction of motor rotation signal of U2 (d type flip flop), and height is just changeing for motor; 21 pin of port PD7 connect valve maximum flow (aperture) signal of incremental optical-electricity encoder, are set to the inlet opening; 9 pin of port RESET connect R8 to power supply+5V, meet C3 to ground, R8 and C3 form the electrify restoration circuit of ATMEGA8535L; 10 pin of port VCC meet power supply+5V; The 11 pin ground connection of port GND; All the other are the not wiring of empty pin.
Full-automatic temperature control of the present utility model mixes in the water valve, the display circuit of the major loop of micro computer automatic controlling instrument is selected the led module of low potential connection altogether, realize showing by method for scanning, the a of DISPLAY1 and DISPLAY2, b, c, d, e, f, g couple together and insert the ATMEGA8535L single-chip microcomputer, cold end CS1, CS2 be will be total to and R1 and R2 met respectively as chip selection signal, connect the C utmost point of NPN triode VT1 and VT2 again, the B utmost point connecting resistance R3 and 4 of VT1 and VT2, the E utmost point ground connection of VT1 and VT2; For example: when showing 28, DISPLAY1 and DISPLAY2 are sent several 2 o'clock VT2 simultaneously, and VT1 ends, DISPLAY2 shows 2 so, and when DISPLAY1 and DISPLAY2 are sent several VT1 conductings 8 time simultaneously, and VT2 ends, DISPLAY1 shows 8 so, and circulation gets final product successively.
Full-automatic temperature control of the present utility model mixes in the water valve, the button of the major loop of micro computer automatic controlling instrument is user's setting temperature, select touch-switch for use, SW-UP, SW-MID, SW-DOWN one end insert+5V jointly, the other end inserts 4,5 and 6 pin of single-chip microcomputer respectively, and single- chip microcomputer scanning 4,5 and 6 ports, which port are that high level illustrates which button is pressed the SW-UP key when pressing, setting temperature upwards, on be limited to 50 ℃; When the SW-DOWN key was pressed, setting temperature was limited to 25 ℃ down downwards; When the SW-MID key is pressed, be confirmation key, temperature is regulated in beginning automatically, as begins equally to regulate temperature automatically after not pressing for 10 seconds, as presses the SW-MID key above closing and open the temperature demonstration 4 seconds; In any case,, will open temperature and show as long as press SW-UP, SW-DOWN key, but and setting temperature.
Full-automatic temperature control of the present utility model mixes in the water valve, the temperature sensing circuit of the major loop of micro computer automatic controlling instrument is formed test network by resistance R 5 and platinum resistor RT (Pt100), form the correction value network by R6 and R7, can guarantee precision like this, connection was partly described at micro computer.
Full-automatic temperature control of the present utility model mixes in the water valve, whether in use the human body proximity detection circuit of the major loop of micro computer automatic controlling instrument adopts the ultrasonic test human body, transmitter one termination power VDD (being more than the 9V), the C utmost point of another termination triode VT3, the E utmost point ground connection of triode VT3, the B utmost point of triode VT3 connects 16 pin that insert the ATMEGA8535L single-chip microcomputer behind the R14 again, three end-receiver, one termination power VDD (being more than the 9V), the other end ground connection, 19 pin of access ATMEGA8535L single-chip microcomputer behind the signal termination R15; During work, 16 pin of ATMEGA8535L single-chip microcomputer are put high level VT3 saturation conduction, and transmitter work after receiver receives the close echo signal, goes out the human body distance according to Time Calculation, judges whether throttle down.
Full-automatic temperature control of the present utility model mixes in the water valve, and the power vd D of the major loop of micro computer automatic controlling instrument adopts direct current 9～12V switch power, and+5V power supply is provided by the U6 three-terminal regulator block, U6 input termination VDD, output termination+5V, GND ground connection.
Full-automatic temperature control of the present utility model mixes in the water valve, it is chip I R2112S that the drive circuit of the major loop of micro computer automatic controlling instrument is formed U4 by U4 and U5, HIN holds 12 pin and LIN to hold 14 pin to insert 3 and 6 output terminals of SN74HC08 and door respectively, VCC holds 11 pin and VSS to hold 15 pin to insert power vd D and ground respectively, HO holds 8 pin and LO to hold 1 pin to connect the control grid that inserts MF1 and MF2 behind R9 and the R10 respectively, VB holds 7 pin to connect the anode of D1 diode, VCC holds 3 pin to connect the negative electrode of D1 diode, VB holds 7 pin and VS to hold cross-over connection capacitor C 6 between 6 pin, VCC holds 3 pin and COM to hold cross-over connection capacitor C 7 between 2 pin, VS holds 6 pin to insert the MF1 source electrode, COM holds 2 pin to insert the MF2 source electrode, the MF1 drain electrode inserts power vd D, after joining, MF1 source electrode and MF2 drain electrode insert the motor positive pole, the MF2 source electrode meets little value sampling resistor R13 and filter capacitor C5 arrives ground, between MF1 drain-source and MF2 drain-source, insert Z1 respectively and the Z2 voltage-stabiliser tube shields, suppress inverse electromotive force and forward high impulse that motor produces, so far finished the left brachium pontis wiring of H bridge and described; U5 is chip I R2112S; HIN holds 12 pin and LIN to hold 14 pin to insert 8 and 1 output terminal of SN74HC08 and door respectively; VCC holds 11 pin and VSS to hold 15 pin to insert power vd D and ground respectively; HO holds 8 pin and LO to hold 1 pin to connect the control grid that inserts MF3 and MF4 behind R11 and the R12 respectively; VB holds 7 pin to connect the anode of D2 diode; VCC holds 3 pin to connect the negative electrode of D2 diode; VB holds 7 pin and VS to hold cross-over connection capacitor C 8 between 6 pin; VCC holds 3 pin and COM to hold cross-over connection capacitor C 9 between 2 pin; VS holds 6 pin to insert the MF3 source electrode; COM holds 2 pin to insert the MF4 source electrode; the MF3 drain electrode inserts power vd D; after joining, MF3 source electrode and MF4 drain electrode insert the motor negative pole; the MF4 source electrode meets little value sampling resistor R13 and filter capacitor C5 arrives ground; between MF3 drain-source and MF4 drain-source, insert Z3 respectively and the Z4 voltage-stabiliser tube shields, suppress inverse electromotive force and forward high impulse that motor produces, so far finished the right brachium pontis wiring of H bridge and described.
Full-automatic temperature control of the present utility model mixes in the water valve, the closed-loop feedback circuit of the major loop of micro computer automatic controlling instrument comprises incremental photo encoder, incremental photo encoder also claims the increment photoelectric coded disk, be a kind of the angular displacement that records to be converted to the digital transducer of pulse shape signal output, photoelectric encoder is divided into two kinds of absolute optical encoder and incremental optical-electricity encoders; As shown in Figure 6, adopt the incremental optical-electricity encoder tach signal of sampling, incremental encoder is measured the cumulative amount of rotational displacement specially, here be working principle and the structure thereof that example is introduced incremental encoder with the three-phase encoder, incremental optical-electricity encoder is carved with printing opacity and lighttight lines regularly on disk, lay light-emitting component and photosensitive element in the disk both sides, when disk rotates with motor, the luminous flux that photosensitive element receives changes synchronously with the printing opacity lines, the photosensitive element output waveform becomes pulse through after the shaping, facies marker is arranged on the code-disc, and the C that whenever turns around exports a pulse (outmost turns) mutually, in addition, for judging sense of rotation, code-disc also can provide the two pulse signals of 90 ° of phase phase differences, and the A phase pulse signal produces for the centre circle dish, and the B phase pulse signal produces for the inner ring dish; Wherein, rotating speed and turn signal are handled: in any phase enter counter in A, the B two-phase pulse, counter is counted, the home pulse of coding mask output is used for reset counter, whenever the start-stop counter that resets that turns around, the transit time integrating obtains tach signal, is used for the PWM modulation; The sense of rotation of coding mask can be judged by the output signal Q of d type flip flop, A after the shaping, B two-phase output signal are received the clock end and the D input end of d type flip flop respectively, the CLK end of d type flip flop triggers at the rising edge of A phase pulse, because the phase of A, B two-phase differs 90 °, when motor just changes (when supposing B phase pulse advance for just changeing, otherwise be counter-rotating), 90 ° of B phase pulse advance A phase pulses, trigger always triggers during for high level in the B pulse, and at this moment the output terminal Q of d type flip flop is output as high level; When motor reverses, 90 ° of A phase pulse advance B phase pulses, then d type flip flop always triggers during for low level in the B pulse, and at this moment the Q output terminal is output as low level, determines the sense of rotation of motor thus.
As shown in Figure 7, the circuit design of the family expenses controller different with the micro computer automatic controlling instrument in large-scale bathing place is as follows:
1. power circuit:
The VDD power supply adopts direct current 9V alkalescence or lithium cell, and+5V power supply is provided by the U3 three-terminal regulator block, U3 input termination VDD, output termination+5V, GND ground connection.
2. drive circuit:
U2 is chip AE2501B, is a special product for the design of control direct current generator, and port INA (1 pin) and INB (8 pin) connection had been described at above-mentioned microcomputer control circuit; Port VCC the 2nd pin and VCC the 7th pin are with meeting VDD; Output port VOA and VOB connect the positive pole and the negative pole of motor respectively; Port GND4 and GND5 connect ground connection behind R13 sampling resistor and the filter capacitor C5 simultaneously.
3. closed-loop feedback circuit:
Comprise the sliding type resistor; it is dual threshold control that sliding type resistor working method maximum in valve opening or hour is set; in order to protect valve, prevent from that valve opening is maximum or hour produce an interference control valve is damaged that control procedure must adopt dual threshold control.
4. human body proximity detection circuit:
Adopt thermoelectricity XIR Extreme Infrared mode to test.
Claims (10)
1. a full-automatic temperature control mixes water valve, water valve be should mix and valve and micro computer automatic controlling instrument (16) comprised, the drive circuit of micro computer automatic controlling instrument (16) connects the stepper motor (4) of valve, and the temperature sensing circuit of microcomputerized control instrument (16) connects the temperature transducer (14) of valve; It is characterized in that: described valve comprises valve body (7), stepper motor (4), bolt (3), fixed valve plug (10), movable valve plug (11), mix water swivel (13) and temperature transducer (14), valve body (7) center construction bolt (3) at the four-way shape, one end of bolt (3) is installed ring gear (6) by nut, ring gear (6) engaging gear (5), gear (5) is installed on the axle of stepper motor (4), the other end of bolt (3) is installed fixed valve plug (10) and movable valve plug (11) successively by nut, fixed valve plug (10) is installed on the valve body (7) by locating stud (9), establish a pair of circular hole (17) on the fixed valve plug (10), establish the circular hole (17) of the corresponding fixed valve plug in a pair of crescent moon hole (18) (10) on the movable valve plug (11), it is corresponding fixed that valve body (7) is upward installed the mixed water swivel (13) that is provided with mixed export (12), movable valve plug (10,11), mix water swivel (13) and go up mounting temperature sensor (14), valve body (7) is gone up the cooling water inlet (1) and hot water inlet (8) the passing hole channel flow correspondence of two other interface and is decided, movable valve plug (10,11); Described micro computer automatic controlling instrument (16) comprises housing (19) and circuit board, button (20) and display screen (21) are installed on the panel of housing (19), button (20) and display screen (21) connect the major loop on the circuit board, and major loop is connected by control circuit, display circuit, button, temperature detection circuit, human body proximity detection circuit, power circuit, drive circuit and closed-loop feedback circuit and forms.
2. full-automatic temperature control according to claim 1 mixes water valve, and it is characterized in that: ring gear (6) is installed steel ball (2) with valve body (7) contacting point; Mixing water swivel (13) is installed on the valve body (7) by seal ring (15).
3. full-automatic temperature control according to claim 1 mixes water valve, it is characterized in that: the control circuit of the major loop of micro computer automatic controlling instrument adopts the ATMEGA8535L single-chip microcomputer, 40 pin of port PA0 meet R13,39 pin of port PA1 meet R5 respectively and RT arrives ground and R6 and R7,38 pin of port PA2 meet RT (Pt100) to ground, 37 pin of port PA3 meet R7 to ground, 36 pin of port PA4 meet R3 and led module CS1 (DISPLAY1), 35 pin of port PA5 meet R15 and gather port to the output signal that ultrasound receives, port PA6,34 of PA7,33 pin meet 1 of led module CS1 and CS2 (DISPLAY1 and DISPLAY2) respectively, 2 pin, 22～26 pin of port PC0～PC4 connect 3～7 pin of led module CS1 and CS2 (DISPLAY1 and DISPLAY2) respectively, 27 pin of port PC5 connect the valve minimum flow signal input part of incremental optical-electricity encoder, 28 pin of port PC6 connect incremental optical-electricity encoder C phase, 29 pin of port PC7 meet R4 to led module CS2,32 pin of port AREF connect capacitor C 1 to ground, the 31 pin ground connection of port AGND, 30 pin of port AVCC connect capacitor C 2 to ground, 1 pin of port PB0 meets 2 of AND circuit SN74HC08,4,10 and 12 pin, 2 pin of port PB1 connect incremental optical-electricity encoder B phase, 4～6 pin of port PB3～5 connect the last key (SW-UP) of button respectively, middle key (SW-MID) and following key (SW-DOWN), 7 and 8 pin of port PB6 and PB7 connect 1 and 5 pin with door SN74HC08 respectively, 14 and 15 pin of port PD0 and PD1 connect 9 and 13 pin with door SN74HC08 respectively, 16 pin of port PD2 meet R14,17 pin of port PD3 connect the d type flip flop Q end of U2,21 pin of port PD7 connect the aperture of the valve maximum flow of incremental optical-electricity encoder, 9 pin of port RESET meet R8 to power supply+5V, meet C3 to ground, R8 and C3 form the electrify restoration circuit of ATMEGA8535L, 10 pin of port VCC meet power supply+5V, the 11 pin ground connection of port GND, all the other are the not wiring of empty pin.
4. full-automatic temperature control according to claim 1 mixes water valve, it is characterized in that: the display circuit of the major loop of micro computer automatic controlling instrument adopts led module, a, b, c, d, e, f, the g of DISPLAY1 and DISPLAY2 coupled together insert the ATMEGA8535L single-chip microcomputer, CS1, CS2 connect the C utmost point that R1 and R2 meet NPN triode VT1 and VT2 more respectively, B utmost point connecting resistance R3 and the R4 of VT1 and VT2, the E utmost point ground connection of VT1 and VT2.
5. full-automatic temperature control according to claim 1 mixes water valve, it is characterized in that: the button of the major loop of micro computer automatic controlling instrument is selected touch-switch for use, SW-UP, SW-MID, SW-DOWN one end insert+5V jointly, and the other end inserts 4,5 and 6 pin of ATMEGA8535L single-chip microcomputer respectively.
6. full-automatic temperature control according to claim 1 mixes water valve, it is characterized in that: the temperature detection examination circuit of the major loop of micro computer automatic controlling instrument is made up of resistance R 5 and platinum resistor RT (Pt100), forms the correction value network by R6 and R7.
7. full-automatic temperature control according to claim 1 mixes water valve, it is characterized in that: the human body proximity detection circuit of the major loop of micro computer automatic controlling instrument adopts ultrasonic receiver and transmitter, transmitter one termination power VDD, the C utmost point of another termination triode VT3, the E utmost point ground connection of triode VT3, the B utmost point of triode VT3 connects 16 pin that insert the ATMEGA8535L single-chip microcomputer behind the R14 again, one termination power VDD of three end-receiver, the other end ground connection, 19 pin of access ATMEGA8535L single-chip microcomputer behind the signal termination R15; Or human body proximity detection circuit adopts the thermoelectricity XIR Extreme Infrared.
8. full-automatic temperature control according to claim 1 mixes water valve, it is characterized in that: the power vd D circuit of the major loop of micro computer automatic controlling instrument adopts direct current 9～12V switch power, and+5V power supply is provided by the U6 three-terminal regulator block, U6 input termination VDD, output termination+5V, GND ground connection; Or power circuit adopts 9V alkalescence or lithium cell.
9. full-automatic temperature control according to claim 1 mixes water valve, it is characterized in that: the drive circuit of the major loop of micro computer automatic controlling instrument adopts U4 and U5, U4 is chip I R2112S, HIN holds 12 pin and LIN to hold 14 pin to insert 3 and 6 output terminals of SN74HC08 and door respectively, VCC holds 11 pin and VSS to hold 15 pin to insert power vd D and ground respectively, HO holds 8 pin and LO to hold 1 pin to connect the control grid that inserts MF1 and MF2 behind R9 and the R10 respectively, VB holds 7 pin to connect the anode of D1 diode, VCC holds 3 pin to connect the negative electrode of D1 diode, VB holds 7 pin and VS to hold cross-over connection capacitor C 6 between 6 pin, VCC holds 3 pin and COM to hold cross-over connection capacitor C 7 between 2 pin, VS holds 6 pin to insert the MF1 source electrode, COM holds 2 pin to insert the MF2 source electrode, the MF1 drain electrode inserts power vd D, insert the motor positive pole after MF1 source electrode and MF2 drain electrode are joined, the MF2 source electrode meets little value sampling resistor R13 and filter capacitor C5 arrives ground, inserts Z1 and Z2 voltage-stabiliser tube between MF1 drain-source and MF2 drain-source respectively; U5 is chip I R2112S, HIN holds 12 pin and LIN to hold 14 pin to insert 8 and 1 output terminal of SN74HC08 and door respectively, VCC holds 11 pin and VSS to hold 15 pin to insert power vd D and ground respectively, HO holds 8 pin and LO to hold 1 pin to connect the control grid that inserts MF3 and MF4 behind R11 and the R12 respectively, VB holds 7 pin to connect the anode of D2 diode, VCC holds 3 pin to connect the negative electrode of D2 diode, VB holds 7 pin and VS to hold cross-over connection capacitor C 8 between 6 pin, VCC holds 3 pin and COM to hold cross-over connection capacitor C 9 between 2 pin, VS holds 6 pin to insert the MF3 source electrode, COM holds 2 pin to insert the MF4 source electrode, the MF3 drain electrode inserts power vd D, insert the motor negative pole after MF3 source electrode and MF4 drain electrode are joined, the MF4 source electrode meets little value sampling resistor R13 and filter capacitor C5 arrives ground, inserts Z3 and Z4 voltage-stabiliser tube between MF3 drain-source and MF4 drain-source respectively; Or drive circuit adopts the chip U2 of AE2501B.
10. full-automatic temperature control according to claim 1 mixes water valve, and it is characterized in that: the closed-loop feedback circuit of the major loop of micro computer automatic controlling instrument adopts incremental photo encoder, and incremental photo encoder also claims the increment photoelectric coded disk; Or employing sliding type resistor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202326965U CN201582445U (en) | 2009-09-14 | 2009-09-14 | Full-automatic temperature control water mixing valve |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009202326965U CN201582445U (en) | 2009-09-14 | 2009-09-14 | Full-automatic temperature control water mixing valve |
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| CN201582445U true CN201582445U (en) | 2010-09-15 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455632A (en) * | 2014-11-11 | 2015-03-25 | 宁波高新区埃伯格测控技术有限公司 | Non-contact intelligent water-saving faucet and operating method thereof |
| CN105605244A (en) * | 2016-03-23 | 2016-05-25 | 氟络塞尔特种阀门(苏州)有限公司 | Temperature-control autoregulation three-way valve |
| CN105605245A (en) * | 2016-03-23 | 2016-05-25 | 氟络塞尔特种阀门(苏州)有限公司 | Three-way valve capable of automatic temperature regulation |
| CN107763251A (en) * | 2016-08-17 | 2018-03-06 | 张耀辉 | A kind of double-function valve core |
| CN111103823A (en) * | 2019-10-21 | 2020-05-05 | 阳江核电有限公司 | Nuclear power station pneumatic diaphragm valve diaphragm experimental device |
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2009
- 2009-09-14 CN CN2009202326965U patent/CN201582445U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455632A (en) * | 2014-11-11 | 2015-03-25 | 宁波高新区埃伯格测控技术有限公司 | Non-contact intelligent water-saving faucet and operating method thereof |
| CN104455632B (en) * | 2014-11-11 | 2017-02-22 | 宁波高新区埃伯格测控技术有限公司 | Non-contact intelligent water-saving faucet and operating method thereof |
| CN105605244A (en) * | 2016-03-23 | 2016-05-25 | 氟络塞尔特种阀门(苏州)有限公司 | Temperature-control autoregulation three-way valve |
| CN105605245A (en) * | 2016-03-23 | 2016-05-25 | 氟络塞尔特种阀门(苏州)有限公司 | Three-way valve capable of automatic temperature regulation |
| CN107763251A (en) * | 2016-08-17 | 2018-03-06 | 张耀辉 | A kind of double-function valve core |
| CN111103823A (en) * | 2019-10-21 | 2020-05-05 | 阳江核电有限公司 | Nuclear power station pneumatic diaphragm valve diaphragm experimental device |
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Granted publication date: 20100915 Termination date: 20110914 |