CN105423412A - Intelligent valve controller for regulating heat supply system - Google Patents
Intelligent valve controller for regulating heat supply system Download PDFInfo
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- CN105423412A CN105423412A CN201610046945.6A CN201610046945A CN105423412A CN 105423412 A CN105423412 A CN 105423412A CN 201610046945 A CN201610046945 A CN 201610046945A CN 105423412 A CN105423412 A CN 105423412A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
- F24D19/1015—Arrangement or mounting of control or safety devices for water heating systems for central heating using a valve or valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2220/00—Components of central heating installations excluding heat sources
- F24D2220/02—Fluid distribution means
- F24D2220/0264—Hydraulic balancing valves
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The invention relates to an intelligent valve controller for regulating a heat supply system. According to the intelligent valve controller for regulating the heat supply system, disclosed by the invention, a linear opening control function is obtained according to a relationship of water power, heat power and heat balance, and automatic regulation which is spontaneously carried out according to pre-designed one-sided or multi-sided factors of pressure, temperature, flow, pressure difference and the like can be realized; system control can be realized by receiving a teletransmission signal of a heat supply management and control system; quick manual control can be realized by using the intelligent valve controller on the scene by manpower, emergency requirements can be met, a passive situation of traditional balance regulation is fundamentally changed, and the intelligent valve controller is a significant technology application result in the field.
Description
Technical field
The present invention relates to heating system, specifically a kind of Intelligent controller for valve regulated for heating system.
Background technology
The object of heat supply: being in order to ensureing that, under the prerequisite that all users normally heat, adjustment water conservancy/heat balance, makes full use of heat energy, reducing the loss of heat and artificial waste, the requirement reaching energy-conservation, lower consumption, reduce discharging.
A heat supply network, no matter how carefully and perfect our design, all can not thoroughly solve hydraulically balanced problem, that construction and material installation can exist deviation with design on the one hand, the dynamic adjustments of heat supply network all can cause the hydraulic misadjustment of heat supply network in addition, in heat supply network adjustment process, pipe network is coupling mutually, and the actual resistance size in pipe network and distribution are difficult to judge.Real hydraulic equilibrium can only lean on equipment to control to realize, and in other words, out-of-control heat supply network, can exist the problem that the large remote traffic of inborn near-end flow is little.
Hydraulic equilibrium does not represent thermodynamic equilibrium, a secondary net hydraulic equilibrium, has accomplished the quantity of circulating water distributing a secondary net by each thermal substation area of heat-supply service size.Which only could realize each thermal substation thermodynamic equilibrium under the prerequisite that all thermal substation heat exchanger type selectings are reasonable and the coefficient of heat transfer is equal.But prerequisite can not be set up.1., first stage of construction reason has three:, considers that dilatation needs, the general heat exchanger selecting relatively high power, and the area of heat-supply service of each heat exchange station does not mate with heat exchanger power; 2., after heat exchanger work certain hour, all there is scale formation, and fouling condition is not etc., causes the coefficient of heat transfer different; 3. the Equipments Setting of secondary network and operating condition also not necessarily " cooperation " secondary net heat exchange, as problems such as blocking, bypass, near-end short circuits.
Realized the heat supply network balance adjustment based on temperature treatment by throttle type hydraulic balance adjusting valve door change resistance of pipe system in the past, the valve of very complicated cannot in real time according to the timely feedback action of heat supply network information, cannot control in real time, be difficult to accomplish hydraulic equilibrium, can not thermodynamic equilibrium be accomplished.
Summary of the invention
The object of the invention is to solve above-mentioned the deficiencies in the prior art, a kind of novel structure is provided, by-pass valve control aperture can reaches the flow (or pressure, pressure reduction, temperature) of setting in real time, meet scene and designing requirement, coordinate for heat balance system, upload self information or receive the systematic control overflow of pipe network, realize the confession thermal balance of pipe network, meet simultaneously energy-conservation, consumption reduction, reduce discharging requirement for heating system regulate Intelligent controller for valve.
The technical solution adopted for the present invention to solve the technical problems is:
For the Intelligent controller for valve that heating system regulates, comprise housing, it is characterized in that being provided with control circuit board in described housing, potentiometer, driving gear, driven gear, fixed head and rotary actuator, described rotary actuator and potentiometer are separately fixed on fixed head, and described control circuit board is provided with rotary actuator control unit, anglec of rotation measurement and control unit, communication unit, sensor processing unit, microprocessing unit, push-button unit and power control unit, the output shaft upper end of described potentiometer is connected with driven gear, described potentiometer is connected with rotary actuator control unit with anglec of rotation measurement and control unit through wire, servo motor shaft in described rotary actuator is provided with driving gear, described driving gear is connected with driven gear, and described power control unit is respectively rotary actuator control unit, anglec of rotation measurement and control unit, communication unit, sensor processing unit, microprocessing unit, push-button unit is powered, described rotary actuator control unit, anglec of rotation measurement and control unit, communication unit, sensor processing unit, push-button unit connects microprocessing unit respectively, described rotary actuator control unit is connected with rotary actuator respectively with power control unit, stabling current is provided by the instantaneous starting of described power control unit to rotary actuator, the control accuracy of 1% and the display precision of 1 ‰ in 5 ° of-85 ° of intervals is realized by potentiometer by described rotary actuator control unit with anglec of rotation measurement and control unit, and feedback torque variable signal or shutdown, prevent the excessive damage causing rotary actuator or valve of moment of torsion, receive temperature sensor by described sensor processing unit, pressure differential pressure pickup or transmitter, calorimeter, the current signal of flowmeter is also uploaded to microprocessing unit and compares after process, by communication unit teletransmission to host computer, and realize quick function by described push-button unit and switch and the amendment setting of variable element, reach and can reach flow (or the pressure of setting by by-pass valve control switch in real time, pressure reduction, temperature), meet on-the-spot and designing requirement, coordinate for heat balance system, upload self information or receive the systematic control overflow of pipe network, achieving the confession thermal balance of pipe network, meet energy-conservation simultaneously, consumption reduction, the requirement reduced discharging.
Microprocessing unit of the present invention adopts described 16 MSP430F448 single-chip microcomputers, to reach fast processing real time information, and the effect of settling signal response.
Power control unit of the present invention comprises interchange 24V power supply, high frequency transformer, rectifier bridge U1, resistance R20, R21, R23, R23b, R24, R25, R26, load resistance R30, electric capacity CE2, CE3, CE5, power supply chip and diode D10,3 pin of described rectifier bridge U1 connect respectively with 4 pin and exchange 24V power supply, 2 pin connect the power supply ground of high frequency transformer primary coil, 1 pin connects the positive pole of high frequency transformer primary coil, described electric capacity CE5 is with connecing the power supply of high frequency transformer primary coil and between positive source, use as filtering, described resistance R20 mono-terminating resistor R21, first pin of another termination rectifier bridge U1, the VDD pin of described another termination power supply chip of resistance R21, the VDD pin of described electric capacity CE4 mono-termination power supply chip, the power supply ground of another termination high frequency transformer primary coil, the COMP pin of described electric capacity C12 mono-termination power supply chip, the power supply ground of one termination high frequency transformer primary coil, the CS pin of described resistance R24 mono-termination power supply chip, the power supply ground of a termination high frequency transformer primary coil, described electric capacity C14, resistance R23 and resistance R23b one end connect the INV pin of power supply chip respectively, one end connects the power supply ground of high frequency transformer primary coil respectively, to reach adjusting resistance parameter, change the effect of electric power output voltage, described electric capacity C13 and resistance R25 one end are just connecing the power supply of high frequency transformer primary coil respectively, the other end is connecting resistance R26 respectively, described another terminating diode of resistance R26 D2 negative pole, and diode D2 positive pole connects 5 of power supply chip, 6 pin, diode D10 positive pole connects high frequency transformer secondary coil one end, and negative pole meets load resistance R30 and electric capacity CE2, one end of CE3 is out-put supply positive pole, described auxiliary resistance R30, electric capacity CE2, the other end of another termination high frequency transformer secondary coil of electric capacity CE3 is out-put supply negative pole.
Rotary actuator control unit of the present invention comprises servomotor, relay K 1, K2, resistance R31, R32, diode D5, triode Q1, Q3, the base stage 1 of described triode Q1 connects single-chip microcomputer pin by resistance R31, colelctor electrode 3 pin connects relay K 1 coil 5 pin, control relay K1 action, diode D5 connects coil 2 pin and 5 pin of relay K 1, prevent relay switch instantaneous pressure, the base stage 1 of triode Q3 connects single-chip microcomputer pin by resistance R32, colelctor electrode 3 pin connects relay K 2 coil 5 pin, control relay K2 action, diode D11 connects coil 2 pin and 5 pin of relay K 2, prevent relay switch instantaneous pressure, the common 6 of relay K 1 connects the interchange 24V power supply of power control unit, relay K 1 normally-closed contact 4 connects the common 6 of relay K 2, the normally opened contact of relay K 1 connects the pass power line of servomotor, control servomotor cuts out, the normally opened contact of relay K 2 connects the switch power supply line of motor, controls motor and opens.
Sensor processing unit of the present invention comprises resistance R64, electric capacity, analog switch 4052, 9 of described analog switch 4052, 10 pins connect single-chip microcomputer, it is break-make selecting side, in A0B0-A3B3 passage can be selected to open by Single-chip Controlling, its pin 6 is Enable Pins, connect single-chip microcomputer, whether worked by Single-chip Controlling analog switch, its pin 3 is current input terminals, connect constant-current source, 13 pin are outputs, connect single-chip microcomputer, to detect the resistance opening passage, described resistance R64 is connected in the passage A0B0 in single-chip microcomputer, as measuring resistance, at 2 pin of analog switch, 4 pin, 5 pin are jointing temp sensor one end respectively, the temperature sensor other end is link plate ground wire all, electric capacity C33, C34, C35 one end is link plate ground wire respectively, the other end connects 11 pin of 4052 respectively, 14 pin, 15 pin, do filter function.
Rotation of the present invention and aperture measurement and control unit comprise potentiometer VR1 or VR2, resistance R14, R15 and electric capacity C6, C7, described potentiometer VR1 and VR2 can select one according to customer requirement, resistance R15 one end is connected with potentiometer, one end is connected with single-chip microcomputer pin P3.6, with the on/off of controlling potential device, electric capacity C7 mono-termination power ground, other end order sheet power traction pin P3.6, to reach the effect of filtering, another termination power ground of described potentiometer.The sliding end of resistance R14 mono-termination potentiometer, the other end meets single-chip microcomputer ADC input pin A5, to reach the effect of measuring voltage, described electric capacity C6 mono-termination power ground, the other end connects single-chip microcomputer A5 pin, to reach the effect of filtering, caused the change of A5 place voltage by the change of potentiometer sliding end position, thus calculate the change of aperture.
Communication unit of the present invention comprises 485 chips 3082, resistance R3R4R5, diode BD3, BD4, BD7 protection tube PTC1, PTC2, the power supply VCC of resistance R3 mono-termination 485 chip 3082, 4th pin D of another termination 485 chip 3082, DE and RE of 485 chips 3082 links together, then single-chip microcomputer pin is connected to together, as Read-write Catrol end, the B end of described resistance R4 mono-termination 485 chip 3082, another termination power ground, as the pull down resistor of B pin, described resistance R5 mono-termination positive source, the A pin of another termination 485 chip 3082, as the pull-up resistor of A pin, described diode BD3, BD4 one end connects power supply ground respectively, the diode BD3 of the other end connects the A pin of 485 chips 3082, diode BD4 connects the B pin of 485 chips 3082, described diode BD7 two ends meet the A of 485 chips 3082 respectively, B pin, described protection tube PTC1 and protection tube PTC2 one end meet the A of 485 chips 3082 respectively, B pin, the other end is the external input of the communication of 485 chips 3082 and output.In communication process, by diode BD3, BD4, BD7 and protection tube PTC1, PTC2, circuit overvoltage is played a protective role.
The present invention also can be provided with fan-shaped aperture dish in the side, driving gear lower end of described rotary actuator, described fan-shaped aperture dish outer wall is provided with scale layer, described housing side is provided with transparent aperture window, described aperture window is corresponding with the scale layer of fan-shaped aperture dish, be beneficial to, by aperture window, check the aperture of rotation intuitively.
The present invention also can be provided with limit switch on described fixed head, and described limit switch is corresponding with fan-shaped aperture dish both sides, is beneficial to the rotation limit limiting fan-shaped aperture dish, reaches and prevents the excessive damage causing rotary actuator or valve of moment of torsion.
Rotary actuator of the present invention is made up of direct current generator and reduction gear box, and the annexation of described direct current generator and reduction gear box is same as the prior art, and this does not repeat.
The present invention, owing to adopting said structure, has novel structure, controls accurate, energy-conservation, consumption reduction, the advantage such as reduction of discharging.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that Intelligent controller for valve of the present invention is connected with valve.
Fig. 2 is the structure chart of Intelligent controller for valve of the present invention.
Fig. 3 is the theory diagram of Intelligent controller for valve wiring board of the present invention.
Fig. 4 is the electrical schematic diagram of power control unit in the present invention.
Fig. 5 is the electrical schematic diagram of rotary actuator control unit in the present invention.
Fig. 6 is the electrical schematic diagram of sensor processing unit in the present invention.
Fig. 7 is the electrical schematic diagram of rotation and aperture measurement and control unit in the present invention.
Fig. 8 is the electrical schematic diagram of communication unit in the present invention.
Reference numeral: upper cover 1 control circuit board 2, rotary actuator 3 times box 4 fan-shaped aperture dish 5 potentiometers 6, driving gear 7, driven gear 8, fixed head 9 single-chip microcomputer P1, power unit P2, rotary actuator control unit P3, anglec of rotation measurement and control unit P4, sensor processing unit P6, communication unit P5, push-button unit P7 microprocessing unit P8.
Detailed description of the invention
Describe the present invention below in conjunction with accompanying drawing:
As accompanying drawing 1, 2, shown in 3, a kind of Intelligent controller for valve regulated for heating system, comprise housing, described housing is tightly connected by upper cover 1 and lower box 4 to form, and it is characterized in that being provided with control circuit board 2 in described housing, potentiometer 6, driving gear 7, driven gear 8, fixed head 9 and rotary actuator 3, described rotary actuator 3 and potentiometer 6 are separately fixed on fixed head 9, and described control circuit board 2 is provided with rotary actuator control unit P3, anglec of rotation measurement and control unit P4, communication unit P5, sensor processing unit P6, microprocessing unit, push-button unit P7 and power control unit P2, the output shaft upper end of described potentiometer 6 is connected with driven gear 8, described potentiometer 6 is connected with rotary actuator control unit P3 with anglec of rotation measurement and control unit P4 through wire, servo motor shaft in described rotary actuator 3 is provided with driving gear 7, described driving gear 7 is connected with driven gear 8, and described power control unit P2 is respectively rotary actuator control unit P3, anglec of rotation measurement and control unit P4, communication unit P5, sensor processing unit P6, microprocessing unit P8, push-button unit P7 powers, described rotary actuator control unit P3, anglec of rotation measurement and control unit P4, communication unit P5, sensor processing unit P6, push-button unit P7 connects microprocessing unit P8 respectively, described rotary actuator control unit P3 is connected with rotary actuator 3 respectively with power control unit P2, stabling current is provided by the instantaneous starting of described power control unit P2 to rotary actuator 3, the control accuracy of 1% and the display precision of 1 ‰ in 5 ° of-85 ° of intervals is realized by potentiometer by described rotary actuator control unit P3 with anglec of rotation measurement and control unit P4, and feedback torque variable signal or shutdown, prevent the excessive damage causing rotary actuator or valve of moment of torsion, receive temperature sensor by described sensor processing unit P6, pressure differential pressure pickup or transmitter, calorimeter, the current signal of flowmeter is also uploaded to microprocessing unit and compares after process, by communication unit P5 teletransmission to host computer, and realize quick function by described push-button unit P7 and switch and the amendment setting of variable element, reach and can reach flow (or the pressure of setting by by-pass valve control switch in real time, pressure reduction, temperature), meet on-the-spot and designing requirement, coordinate for heat balance system, upload self information or receive the systematic control overflow of pipe network, achieving the confession thermal balance of pipe network, meet energy-conservation simultaneously, consumption reduction, the requirement reduced discharging, communication unit P5 of the present invention can be equipped with M-Bus communication interface, to support monobus or wireless telecommunications.
Microprocessing unit of the present invention adopts described 16 MSP430F448 single-chip microcomputers, to reach fast processing real time information, and the effect of settling signal response.
As shown in Figure 4, power control unit P2 of the present invention comprises interchange 24V power supply, high frequency transformer, rectifier bridge U1, resistance R20, R21, R23, R23b, R24, R25, R26, load resistance R30, electric capacity CE2, CE3, CE5, power supply chip and diode D10,3 pin of described rectifier bridge U1 connect respectively with 4 pin and exchange 24V power supply, 2 pin connect the power supply ground of high frequency transformer primary coil, 1 pin connects the positive pole of high frequency transformer primary coil, described electric capacity CE5 is with connecing the power supply of high frequency transformer primary coil and between positive source, use as filtering, described resistance R20 mono-terminating resistor R21, first pin of another termination rectifier bridge U1, the VDD pin of described another termination power supply chip of resistance R21, the VDD pin of described electric capacity CE4 mono-termination power supply chip, the power supply ground of another termination high frequency transformer primary coil, the COMP pin of described electric capacity C12 mono-termination power supply chip, the power supply ground of one termination high frequency transformer primary coil, the CS pin of described resistance R24 mono-termination power supply chip, the power supply ground of a termination high frequency transformer primary coil, described electric capacity C14, resistance R23 and resistance R23b one end connect the INV pin of power supply chip respectively, one end connects the power supply ground of high frequency transformer primary coil respectively, to reach adjusting resistance parameter, change the effect of electric power output voltage, described electric capacity C13 and resistance R25 one end are just connecing the power supply of high frequency transformer primary coil respectively, the other end is connecting resistance R26 respectively, described another terminating diode of resistance R26 D2 negative pole, and diode D2 positive pole connects 5 of power supply chip, 6 pin, diode D10 positive pole connects high frequency transformer secondary coil one end, and negative pole meets load resistance R30 and electric capacity CE2, one end of CE3 is out-put supply positive pole, described auxiliary resistance R30, electric capacity CE2, the other end of another termination high frequency transformer secondary coil of electric capacity CE3 is out-put supply negative pole.
As shown in Figure 5, rotary actuator control unit P3 of the present invention comprises servomotor, relay K 1, K2, resistance R31, R32, diode D5, triode Q1, Q3, the base stage 1 of described triode Q1 connects single-chip microcomputer pin by resistance R31, colelctor electrode 3 pin connects relay K 1 coil 5 pin, control relay K1 action, diode D5 connects coil 2 pin and 5 pin of relay K 1, prevent relay switch instantaneous pressure, the base stage 1 of triode Q3 connects single-chip microcomputer pin by resistance R32, colelctor electrode 3 pin connects relay K 2 coil 5 pin, control relay K2 action, diode D11 connects coil 2 pin and 5 pin of relay K 2, prevent relay switch instantaneous pressure, the common 6 of relay K 1 connects the interchange 24V power supply of power control unit, relay K 1 normally-closed contact 4 connects the common 6 of relay K 2, the normally opened contact of relay K 1 connects the pass power line of servomotor, control servomotor cuts out, the normally opened contact of relay K 2 connects the switch power supply line of motor, controls motor and opens.
As shown in Figure 6, sensor processing unit P6 of the present invention comprises resistance R64, electric capacity, analog switch 4052, 9 of described analog switch 4052, 10 pins connect single-chip microcomputer, it is break-make selecting side, in A0B0-A3B3 passage can be selected to open by Single-chip Controlling, its pin 6 is Enable Pins, connect single-chip microcomputer, whether worked by Single-chip Controlling analog switch, its pin 3 is current input terminals, connect constant-current source, 13 pin are outputs, connect single-chip microcomputer, to detect the resistance opening passage, described resistance R64 is connected in the passage A0B0 in single-chip microcomputer, as measuring resistance, at 2 pin of analog switch, 4 pin, 5 pin are jointing temp sensor one end respectively, the temperature sensor other end is link plate ground wire all, electric capacity C33, C34, C35 one end is link plate ground wire respectively, the other end connects 11 pin of 4052 respectively, 14 pin, 15 pin, do filter function.
As shown in Figure 7, rotation of the present invention and aperture measurement and control unit comprise potentiometer VR1 or VR2, resistance R14, R15 and electric capacity C6, C7, described potentiometer VR1 and VR2 can select one according to customer requirement, resistance R15 one end is connected with potentiometer, and one end is connected with single-chip microcomputer pin P3.6, with the on/off of controlling potential device, electric capacity C7 mono-termination power ground, other end order sheet power traction pin P3.6, to reach the effect of filtering, another termination power ground of described potentiometer.The sliding end of resistance R14 mono-termination potentiometer, the other end meets single-chip microcomputer ADC input pin A5, to reach the effect of measuring voltage, described electric capacity C6 mono-termination power ground, the other end connects single-chip microcomputer A5 pin, to reach the effect of filtering, caused the change of A5 place voltage by the change of potentiometer sliding end position, thus calculate the change of aperture.
As shown in Figure 8, communication unit of the present invention comprises 485 chips 3082, resistance R3R4R5, diode BD3, BD4, BD7 protection tube PTC1, PTC2, the power supply VCC of resistance R3 mono-termination 485 chip 3082, 4th pin D of another termination 485 chip 3082, DE and RE of 485 chips 3082 links together, then single-chip microcomputer pin is connected to together, as Read-write Catrol end, the B end of described resistance R4 mono-termination 485 chip 3082, another termination power ground, as the pull down resistor of B pin, described resistance R5 mono-termination positive source, the A pin of another termination 485 chip 3082, as the pull-up resistor of A pin, described diode BD3, BD4 one end connects power supply ground respectively, the diode BD3 of the other end connects the A pin of 485 chips 3082, diode BD4 connects the B pin of 485 chips 3082, described diode BD7 two ends meet the A of 485 chips 3082 respectively, B pin, described protection tube PTC1 and protection tube PTC2 one end meet the A of 485 chips 3082 respectively, B pin, the other end is the external input of the communication of 485 chips 3082 and output.In communication process, by diode BD3, BD4, BD7 and protection tube PTC1, PTC2, circuit overvoltage is played a protective role.
The present invention also can be provided with fan-shaped aperture dish 5 in the side, driving gear lower end of described rotary actuator, described fan-shaped aperture dish outer wall is provided with scale layer, described housing side is provided with transparent aperture window, described aperture window is corresponding with the scale layer of fan-shaped aperture dish, be beneficial to, by aperture window, check the aperture of rotation intuitively.
The present invention also can be provided with limit switch on described fixed head, and described limit switch is corresponding with fan-shaped aperture dish both sides, is beneficial to the rotation limit limiting fan-shaped aperture dish, reaches and prevents the excessive damage causing rotary actuator or valve of moment of torsion.
Rotary actuator of the present invention is made up of direct current generator and reduction gear box, and the annexation of described direct current generator and reduction gear box is same as the prior art, and this does not repeat.
The present invention in use, can adopt three kinds of control modes:
First kind of way: pass through temperature sensor, pressure/differential pressure pickup/transmitter, calorimeter, the current signal of flowmeter enters Intelligent controller for valve, Intelligent controller for valve realizes 5 °-85 ° intervals in the control accuracy of 1% and the display precision of 1 ‰ through described rotary actuator control unit P3 and anglec of rotation measurement and control unit P4 by potentiometer by presetting algorithm, and feedback torque variable signal or shutdown, prevent the excessive damage causing rotary actuator or valve of moment of torsion, and provide stabling current by the instantaneous starting of described power control unit P2 to rotary actuator 3, temperature sensor is received by described sensor processing unit P6, pressure differential pressure pickup or transmitter, calorimeter, the current signal of flowmeter is also uploaded to microprocessing unit and compares after process, by communication unit P5 teletransmission to host computer, and the amendment setting of quick function switching and variable element is realized by described push-button unit P7, reach and can reach flow (or the pressure preset by by-pass valve control aperture switch in real time, pressure reduction, temperature), meet on-the-spot and designing requirement, coordinate for heat balance system, upload self information or receive the systematic control overflow of pipe network, achieve the confession thermal balance of pipe network, meet energy-conservation simultaneously, consumption reduction, the requirement reduced discharging.
The second way: the indoor thermostat of user or the controller of attendant are wirelessly connected alternately with intelligent controller, Intellectual Valve Controller by with its sensor information be directly connected and valve opening information feed back to temperature controller/controller, intuitively to show, the adjustable parameter preset of temperature controller/controller amendment Intelligent controller for valve.During as pipeline water temperature 35 DEG C, originally preset 30 DEG C of valve-offs, then valve closings, be adjusted to 40 DEG C by controller, then Intelligent controller for valve opens valve after judging automatically.
The third mode: the balance sysmte of Thermal Corp accepts instruction that user sent by mobile phone or calculates according to real-time pipe network information, judges that certain valve needs to regulate; The long-range transmission instruction of host computer then in balance sysmte is to collector, this instruction is sent to Intelligent controller for valve by M-Bus bus by collector, this instruction can be aperture, also can be the regulatable a certain parameter of this Intelligent controller for valve, the aperture of Intelligent controller for valve control valve, and import the information after adjustment into balance sysmte through collector, the comprehensive whole pipe network of host computer is planned as a whole, judge whether valve opening adjusts to the right place according to data, until realize the confession thermal balance of pipe network, meet requirement that is energy-conservation, that lower consumption, reduce discharging simultaneously.
Claims (9)
1., for the Intelligent controller for valve that heating system regulates, comprise housing, it is characterized in that being provided with control circuit board in described housing, potentiometer, driving gear, driven gear, fixed head and rotary actuator, described rotary actuator and potentiometer are separately fixed on fixed head, and described control circuit board is provided with rotary actuator control unit, anglec of rotation measurement and control unit, communication unit, sensor processing unit, microprocessing unit, push-button unit and power control unit, the output shaft upper end of described potentiometer is connected with driven gear, described potentiometer is connected with rotary actuator control unit with anglec of rotation measurement and control unit through wire, servo motor shaft in described rotary actuator is provided with driving gear, described driving gear is connected with driven gear, and described power control unit is respectively rotary actuator control unit, anglec of rotation measurement and control unit, communication unit, sensor processing unit, microprocessing unit, push-button unit is powered, described rotary actuator control unit, anglec of rotation measurement and control unit, communication unit, sensor processing unit, push-button unit connects microprocessing unit respectively, and described rotary actuator control unit is connected with rotary actuator respectively with power control unit.
2. a kind of Intelligent controller for valve regulated for heating system according to claim 1, is characterized in that described microprocessing unit adopts described 16 MSP430F448 single-chip microcomputers.
3. a kind of Intelligent controller for valve regulated for heating system according to claim 1, it is characterized in that described power control unit comprises and exchange 24V power supply, high frequency transformer, rectifier bridge (U1), resistance (R20), (R21), (R23), (R23b), (R24), (R25), (R26), load resistance (R30), electric capacity (CE2), (CE3), (CE5), power supply chip and diode (D10), 3 pin of described rectifier bridge (U1) connect respectively with 4 pin and exchange 24V power supply, 2 pin connect the power supply ground of high frequency transformer primary coil, 1 pin connects the positive pole of high frequency transformer primary coil, described electric capacity (CE5) is with connecing the power supply of high frequency transformer primary coil and between positive source, described resistance (R20) one terminating resistor (R21), first pin of another termination rectifier bridge (U1), the VDD pin of described resistance (R21) another termination power supply chip, the VDD pin of described electric capacity (CE4) one termination power supply chip, the power supply ground of another termination high frequency transformer primary coil, the COMP pin of described electric capacity (C12) one termination power supply chip, the power supply ground of one termination high frequency transformer primary coil, the CS pin of described resistance (R24) one termination power supply chip, the power supply ground of one termination high frequency transformer primary coil, described electric capacity (C14), resistance (R23) and resistance (R23b) one end connect the INV pin of power supply chip respectively, one end connects the power supply ground of high frequency transformer primary coil respectively, described electric capacity (C13) and resistance (R25) one end are just connecing the power supply of high frequency transformer primary coil respectively, the other end is connecting resistance (R26) respectively, described resistance (R26) another terminating diode (D2) negative pole, diode (D2) positive pole connects 5 of power supply chip, 6 pin, diode (D10) positive pole connects high frequency transformer secondary coil one end, negative pole connects load resistance (R30) and electric capacity (CE2), (CE3) one end, for out-put supply positive pole, described auxiliary resistance (R30), electric capacity (CE2), the other end of another termination high frequency transformer secondary coil of electric capacity (CE3), for out-put supply negative pole.
4. a kind of Intelligent controller for valve regulated for heating system according to claim 1, it is characterized in that described rotary actuator control unit comprises servomotor, relay (K1), (K2), resistance (R31), (R32), diode (D5), triode (Q1), (Q3), the base stage 1 of described triode (Q1) connects single-chip microcomputer pin by resistance (R31), colelctor electrode 3 pin connects relay (K1) coil 5 pin, control relay (K1) action, diode (D5) connects coil 2 pin and 5 pin of relay (K1), prevent relay switch instantaneous pressure, the base stage 1 of triode (Q3) connects single-chip microcomputer pin by resistance (R32), colelctor electrode 3 pin connects relay (K2) coil 5 pin, control relay (K2) action, diode (D11) connects coil 2 pin and 5 pin of (K2), prevent relay switch instantaneous pressure, the common 6 of relay (K1) connects the interchange 24V power supply of power control unit, relay (K1) normally-closed contact 4 connects the common 6 of relay (K2), the normally opened contact of relay (K1) connects the pass power line of servomotor, control servomotor cuts out, the normally opened contact of relay (K2) connects the switch power supply line of motor, controls motor and opens.
5. a kind of Intelligent controller for valve regulated for heating system according to claim 1, it is characterized in that described sensor processing unit comprises resistance (R64), electric capacity, analog switch (4052), 9 of described analog switch (4052), 10 pins connect single-chip microcomputer, it is break-make selecting side, in A0B0-A3B3 passage is selected to open by Single-chip Controlling, its pin 6 is Enable Pins, connect single-chip microcomputer, whether worked by Single-chip Controlling analog switch, its pin 3 is current input terminals, connect constant-current source, 13 pin are outputs, connect single-chip microcomputer, described resistance (R64) is connected in the passage A0B0 in single-chip microcomputer, as measuring resistance, at 2 pin of analog switch, 4 pin, 5 pin are jointing temp sensor one end respectively, the temperature sensor other end is link plate ground wire all, electric capacity (C33), (C34), (C35) one end link plate ground wire, the other end connects 11 pin of analog switch (4052) respectively, 14 pin, 15 pin.
6. a kind of Intelligent controller for valve regulated for heating system according to claim 1, it is characterized in that described rotation and aperture measurement and control unit comprise potentiometer (VR1) or (VR2), resistance (R14), and electric capacity (C6) (R15), (C7), described resistance (R15) one end is connected with potentiometer, one end is connected with single-chip microcomputer pin P3.6, electric capacity (C7) one termination power ground, other end order sheet power traction pin P3.6, another termination power ground of described potentiometer, the sliding end of resistance (R14) one termination potentiometer, the other end meets single-chip microcomputer (ADC) input pin A5, described electric capacity (C6) one termination power ground, the other end connects single-chip microcomputer A5 pin.
7. a kind of Intelligent controller for valve regulated for heating system according to claim 1, it is characterized in that described communication unit comprises 485 chips 3082, resistance (R3), (R4), (R5), diode (BD3), (BD4), (BD7), protection tube (PTC1), (PTC2), the power supply VCC of resistance (R3) one termination 485 chip 3082, 4th pin D of another termination 485 chip 3082, DE and RE of 485 chips 3082 links together, then single-chip microcomputer pin is connected to together, as Read-write Catrol end, the B end of described resistance (R4) one termination 485 chip 3082, another termination power ground, as the pull down resistor of B pin, described resistance (R5) one termination positive source, the A pin of another termination 485 chip 3082, as the pull-up resistor of A pin, described diode (BD3), (BD4) one end connects power supply ground respectively, the diode (BD3) of the other end connects the A pin of 485 chips 3082, diode (BD4) connects the B pin of 485 chips 3082, described diode (BD7) two ends meet the A of 485 chips 3082 respectively, B pin, described protection tube (PTC1) and protection tube (PTC2) one end meet the A of 485 chips 3082 respectively, B pin, the other end is the external input of the communication of 485 chips 3082 and output.
8. a kind of Intelligent controller for valve regulated for heating system according to claim 1, it is characterized in that the side, driving gear lower end of described rotary actuator is provided with fan-shaped aperture dish, described fan-shaped aperture dish outer wall is provided with scale layer, described housing side is provided with transparent aperture window, and described aperture window is corresponding with the scale layer of fan-shaped aperture dish.
9. a kind of Intelligent controller for valve regulated for heating system according to claim 8, it is characterized in that described fixed head is provided with limit switch, described limit switch is corresponding with fan-shaped aperture dish both sides.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610046945.6A CN105423412A (en) | 2016-01-25 | 2016-01-25 | Intelligent valve controller for regulating heat supply system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610046945.6A CN105423412A (en) | 2016-01-25 | 2016-01-25 | Intelligent valve controller for regulating heat supply system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108253521A (en) * | 2018-01-15 | 2018-07-06 | 华能青岛热电有限公司 | Heat distribution pipe network adaptive flow balance method and device |
| CN108518731A (en) * | 2018-04-16 | 2018-09-11 | 威海市天罡仪表股份有限公司 | Family heating intelligent automatic-control system and method |
| CN110007695A (en) * | 2019-04-16 | 2019-07-12 | 威海市天罡仪表股份有限公司 | Flow rate adjusting method and its device |
-
2016
- 2016-01-25 CN CN201610046945.6A patent/CN105423412A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108253521A (en) * | 2018-01-15 | 2018-07-06 | 华能青岛热电有限公司 | Heat distribution pipe network adaptive flow balance method and device |
| CN108518731A (en) * | 2018-04-16 | 2018-09-11 | 威海市天罡仪表股份有限公司 | Family heating intelligent automatic-control system and method |
| CN110007695A (en) * | 2019-04-16 | 2019-07-12 | 威海市天罡仪表股份有限公司 | Flow rate adjusting method and its device |
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Application publication date: 20160323 |