CN201348740Y - Intelligent type frequency-conversion electric actuator - Google Patents
Intelligent type frequency-conversion electric actuator Download PDFInfo
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- CN201348740Y CN201348740Y CNU2008201429921U CN200820142992U CN201348740Y CN 201348740 Y CN201348740 Y CN 201348740Y CN U2008201429921 U CNU2008201429921 U CN U2008201429921U CN 200820142992 U CN200820142992 U CN 200820142992U CN 201348740 Y CN201348740 Y CN 201348740Y
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Abstract
The utility model relates to an intelligent type frequency-conversion electric actuator. A power supply circuit respectively provides direct-current electric source for an IPM module interface unit and a control unit; the IPM module interface unit drives a direct-current brushless motor; the control unit receives and detects a 4-20ma demand signal through an A/D conversion unit and a D/A conversion unit and converts the position of a valve into a 4-20ma signal which is then fed back to a central control room; the position of the valve is calculated; an external on-off output unit is detected by an E2PROM and I/O extension unit, and parameters required by the normal operation of the device are stored; an alarming signal is output and the information of the current system is displayed by a display communication unit; the direct-current brushless motor monitors the signals of a hall sensor in the motor while rotating and outputs different PWM signals to the IPM module interface unit according to the signals; and the direct-current brushless motor is connected with a retarding mechanism which is connected with the valve. The utility model has the advantages of simple structure, small volume, low manufacturing cost, reliable operation, convenient maintenance, simple and adjustable speed, soft start without impact, no oscillation process, prolonged mechanical life and high positioning precision.
Description
Technical field
The utility model belongs to a kind of electric actuator apparatus, particularly relates to a kind of intelligent type frequency-conversion electric actuator that is used for Industry Control pipeline valve apertures such as petrochemical complex electric power.
Background technology
At present, various electric actuator mainly are by AC induction motor (or direct current generator), composition such as reducing gear, feedback potentiometer, wherein AC induction motor exists mechanical property soft as power source, and the speed governing difficulty needs electric braking, loss is big, start and shake to impact and shorten mechanical life, volume is big, many defectives such as manufacturing cost height.And direct current generator is because the existence of brush and commutator, the noise that causes, spark, electromagnetic interference (EMI), a series of disadvantages such as the life-span is short, feedback potentiometer is owing to there is the dead band, and long term wear is out of order easily, and to reflect that valve opening just must configuration one cover and the speed reduction unit little type speed reducer of strain ratio mutually, it had both increased the trouble spot of implementation period, increase volume and production cost again, present a kind of dc brushless motor (being called for short BLDCM), inside has hall sensor motor rotor position, the employing electronic commutator has substituted the mechanical commutation device of traditional direct current motor, has overcome the disadvantage of direct current generator.The series of advantages such as simple in structure, reliable, easy to maintenance that had both possessed alternating current generator, possess again direct current generator operational efficiency height, no excitation loss, speed regulating method is simple, volume is little, in light weight, high power density, starting torque is big, inertia is little and respond advantages such as fast, in high end home electrical equipment (as refrigerator, washing machine and dish-washing machine), high-end water pump, fan and other need the equipment of higher reliability and efficient, more and more used.
Summary of the invention
The utility model provides a kind of dc brushless motor that utilizes to substitute AC induction motor or brush direct current motor for solving the technical matters that exists in the known technology, and adopt motor rotor position to detect alternative potentiometer valve opening feedback, make electric actuator simple in structure, volume is little, manufacturing cost reduction, reliable easy to maintenance, speed governing is simple, the intelligent type frequency-conversion electric actuator of energy savings, nothing concussion.
The technical scheme that the utility model is taked for the technical matters that exists in the solution known technology is: a kind of intelligent type frequency-conversion electric actuator, include power circuit, and described power circuit provides direct supply to IPM module interface unit and control module respectively; Described IPM module interface unit drives dc brushless motor; Described control module receives and detects the input given signal of 4～20ma and convert valve location to 4～20ma signal feedback by A/D, D/A converting unit gives Central Control Room; Calculate the position of valve; Detect external switch amount output unit and the necessary parameter of the normal operation of preservation equipment through E2PROM and I/O expanding element; By showing the communication unit output alarm signal and showing current system information; When dc brushless motor rotates, monitor the signal of Hall element in the motor and give IPM module interface unit according to the different pwm signal of this signal output; Described dc brushless motor connects reducing gear, and described reducing gear connects valve.
Described power circuit includes the filter rectification output circuit that direct supply is provided to IPM module interface unit, and the step-down output circuit that direct supply is provided to control module.
Described control module is to be made of single-chip microcomputer U1.
Described dc brushless motor is the motor that has three Hall elements, 12,13,14 pin of the single-chip microcomputer U1 of described control module are respectively respectively by the corresponding output terminal that connects three Hall elements of a resistance, 5V power end on 24 pin of the single-chip microcomputer U1 of control module is respectively by the corresponding power end that connects three Hall elements of a resistance, and the ground end of 25 pin of the single-chip microcomputer U1 of control module is respectively by the corresponding earth terminal that connects three Hall elements of an electric capacity.
Described A/D, D/A converting unit include A/D conversion integration block U2 and D/A conversion integration block U3 two parts, wherein, the output terminal of A/D conversion integration block U2 connects the 18th pin of the single-chip microcomputer U1 of control module, and the input of D/A conversion integration block U3 connects the 8th pin of the single-chip microcomputer U1 of control module.
Described E2PROM and I/O expanding element are to be made of expansion integrated package U4, and 1,2,3,7,8 pin of described expansion integrated package U4 connect the switching value output unit; 20th, the 12nd, 13,14 pin of the single-chip microcomputer U1 of 21,22 connection control modules; 23rd, 24,25,26 pin connect and show communication unit.
Described switching value output unit includes drive circuit of magnetic latching relay and one group of general-purpose relay trigger circuit of two groups of same structures, wherein, described drive circuit of magnetic latching relay is provided with magnetic latching relay U5/U6, the drive coil of described magnetic latching relay U5/U6 is connected to the collector of switch triode T1/T2 by resistance R 5/R6, also be connected to the 15V power supply by sustained diode 2/D1, the release coil of magnetic latching relay U5/U6 connects the 15V power supply by sustained diode 5/D4, the collector that also connects switch triode T4/T3 by resistance R 10/R9 resistance, the emitter of triode T1/T2 and triode T4/T3 is ground connection all, the base stage of triode T1/T2 connects the 3/2nd pin of E2PROM and I/O expanding element by resistance R 4/R3, the base stage of triode T4/T3 is by the 7/8th pin of resistance R 13/R12 connection E2PROM and I/O expanding element, and magnetic latching relay U5/U6 normal opened contact is the output alarm port; Described general-purpose relay trigger circuit are: the base stage of triode T5 connects 1 pin of E2PROM and I/O expanding element by resistance R 8, the grounded emitter of triode T5, collector connects the coil of diode D3 and relay U7 respectively by a resistance R 7, the other end of described diode and relay coil is connected the 15V power supply, the 15V power supply is by the ground connection in parallel of two decoupling capacitors, and the normal opened contact of described relay U7 is the output alarm port.
Described demonstration communication unit is to be made of communicating circuit and display circuit, communicating circuit wherein includes three high-speed light lotus root chip U6, U7, U8 and communication and drives integrated package U9, wherein, 2 pin of chip U6 connect the 5V power supply, 3 pin connect 37 pin of the single-chip microcomputer U1 of control module, 8 pin of high-speed light lotus root chip U6 meet power supply Vdd, also connect 2,3 pin of integrated package U9,5 pin ground connection by a resistance with 6 pin; 2 pin of high-speed light lotus root chip U7 connect the 5V power supply, also by the ground connection in parallel of two electric capacity, 3 pin are by 36 pin of the single-chip microcomputer U1 of a resistance connection control module, and 8 pin meet power supply Vdd, also connect 4 pin of integrated package U9,5 pin ground connection with 6 pin by a resistance; 8 pin of high-speed light lotus root chip U8 connect the 5V power supply, also connect 35 pin of the single-chip microcomputer U1 of control module together by resistance and 6 pin, and 2 pin meet power supply Vdd, and 3 pin connect 1 pin of integrated package U9 by a resistance; 6 pin of integrated package U9 are that output terminal is connected outer computer with 7 pin, also connect a resistance between 6 pin and 7 pin, and 8 pin of integrated package U9 connect power supply Vdd, also the power supply Vss that is connected in parallel by two electric capacity; Described display circuit includes display board socket J1,1,2,3,4 pin of described display board socket J1 respectively connect 26,25,24,23 pin of the integrated package U4 of E2PROM and I/O expanding element by a resistance, and more respectively respectively by a capacity earth, and by a resistance eutral grounding, corresponding respectively 31,39,40,38 pin that connect the single-chip microcomputer U1 of control module of 5,6,7,8 pin of display board socket J1, the 9 pin ground connection of display board socket J1,10 pin connect the 5V power supply, also are connected with two electric capacity that are in parallel between 9 pin and 10 pin.
Described IPM module interface unit includes IPM module U10,1 pin of described IPM module U10 passes through an electric capacity with 2 pin, 4 pin pass through an electric capacity with 5 pin, 7 pin connect the three-phase of motor by an electric capacity respectively with 8 pin, 10 pin of IPM module U10 meet the AC-A in the power circuit, 12 pin ground connection, also be connected an electric capacity between 10 pin and 12 pin, 15 of IPM module U10,16,17,18,19,42 of the single-chip microcomputer U1 of the corresponding respectively connection control module of 20 pin, 44,2,43,1,3 pin, 21 pin also connect 4 pin of the single-chip microcomputer U1 of control module by a resistance, 22 pin also connect 19 pin of the single-chip microcomputer U1 of control module by a resistance, 23 pin ground connection, also by two electric capacity and connect 5V power supply, 15 of IPM module U10,16,17,18,19,20 pin also respectively connect the 5V power supply by a resistance respectively.
Advantage and the good effect that the utlity model has are: intelligent type frequency-conversion electric actuator of the present utility model; utilize dc brushless motor to substitute AC induction motor or brush direct current motor; and adopt motor rotor position to detect alternative potentiometer valve opening feedback; make electric actuator simple in structure; volume is little, low cost of manufacture, reliable easy to maintenance; speed is simply adjustable; soft start does not have impact; the prolonged mechanical life-span; save AC brake, saved energy consumption, adopted soft stop to need not electric braking; no concussion process, the bearing accuracy height.
Description of drawings
Fig. 1 is an entire block diagram of the present utility model;
Fig. 2 is power circuit principle figure of the present utility model;
Fig. 3, Figure 11 are the circuit theory diagrams of control module of the present utility model;
Fig. 4, Fig. 5 are the circuit theory diagrams of A/D of the present utility model, D/A converting unit;
Fig. 6 is the circuit theory diagrams of E2PROM of the present utility model and I/O expanding element;
Fig. 7 is the circuit theory diagrams of switching value output unit of the present utility model;
Fig. 8, Fig. 9 are the circuit theory diagrams of demonstration communication unit of the present utility model;
Figure 10 is the circuit theory diagrams of IPM module interface of the present utility model unit.
Label among the figure is respectively:
The 1-power circuit; The 2-control module; 3-IPM module interface unit; The 4-dc brushless motor; The 5-reducing gear; The 6-valve; 7-E2PROM and I/O expanding element; 8-shows communication unit; 9-A/D, D/A converting unit; 10-switching value output unit.
Embodiment
For further understanding summary of the invention of the present utility model, characteristics and effect, exemplify following examples now, and conjunction with figs. to describe intelligent type frequency-conversion electric actuator of the present utility model in detail as follows:
As shown in Figure 1, intelligent type frequency-conversion electric actuator of the present utility model includes power circuit 1, and described power circuit 1 provides direct supply to IPM module interface unit 3 and control module 2 respectively; Described IPM module interface unit 3 drives dc brushless motor 4; Described control module 2 receives and detects the input given signal of 4～20ma and convert valve location to 4～20ma signal feedback by A/D, D/A converting unit 9 gives Central Control Room; Calculate the position of valve 6; Detect external switch amount output unit 10 and the necessary parameter of the normal operation of preservation equipment through E2PROM and I/O expanding element 7; By showing communication unit 8 output alarm signals and showing current system information; When motor rotates, monitor the signal of Hall element in the motor and give IPM module interface unit 3 according to the different pwm signal of this signal output, make brushless electric machine finish the electronics commutation, the drive motor rotation, add up the number of transitions of hall signal simultaneously, according to the current valve opening of initial setting calculation of parameter; Described dc brushless motor 4 also connects reducing gear 5, and described reducing gear 5 connects valve 6.
As shown in Figure 2, described power circuit 1 includes the filter rectification output circuit that direct supply is provided to IPM module interface unit 3, and the step-down output circuit that direct supply is provided to control module 2.5V among the figure, Vdd, Vcc are the end points that the direct supply power supply is provided to control module 2; AC-A end among the figure is the end points that direct supply is provided to IPM module interface unit 3.
As shown in Figure 3, described control module 2 is to be made of single-chip microcomputer U1, and model is ST7FMC2S4.
As shown in figure 11, described dc brushless motor (4) is the motor that has three Hall elements, 12,13,14 pin of the single-chip microcomputer U1 of described control module (2) are respectively respectively by the corresponding output terminal that connects three Hall elements of a resistance, 5V power end on 24 pin of the single-chip microcomputer U1 of control module (2) is respectively by the corresponding power end that connects three Hall elements of a resistance, and the ground end of 25 pin of the single-chip microcomputer U1 of control module (2) is respectively by the corresponding earth terminal that connects three Hall elements of an electric capacity.
As Fig. 4, shown in Figure 5, described A/D, D/A converting unit 9 include A/D conversion integration block U2 and D/A conversion integration block U3 two parts, wherein, the output terminal of A/D conversion integration block U2 connects the 18th pin of the single-chip microcomputer U1 of control module 2, and the input of D/A conversion integration block U3 connects the 8th pin of the single-chip microcomputer U1 of control module 2.The model of A/D conversion integration block U2 is TL494, and the model of D/A conversion integration block U3 is AM462.
As shown in Figure 6, described E2PROM and I/O expanding element 7 are to be made of expansion integrated package U4, and model is CY8C9520.1,2,3,7,8 pin of described expansion integrated package U4 connect switching value output unit 10; 20th, the 12nd, 13,14 pin of the single-chip microcomputer U1 of 21,22 connection control modules 2; 23rd, 24,25,26 pin connect and show communication unit 8.
As shown in Figure 7, described switching value output unit 10 includes drive circuit of magnetic latching relay and one group of general-purpose relay trigger circuit of two groups of same structures, wherein, described magnetic latching relay drives magnetic latching relay U5/U6, the drive coil of described magnetic latching relay U5/U6 is connected to the collector of switch triode T1/T2 by resistance R 5/R6, also be connected to the 15V power supply by sustained diode 2/D1, the release coil of magnetic latching relay U5/R6 connects the 15V power supply by sustained diode 5/D4, the collector that also connects switch triode T4/T3 by R10/R9 resistance, the emitter of triode T1/T2 and triode T4/T3 is ground connection all, the base stage of triode T1/T2 connects the 3/2nd pin of E2PROM and I/O expanding element (7) by resistance R 4/R3, the base stage of triode T4/T3 is by the 7/8th pin of resistance R 13/R12 connection E2PROM and I/O expanding element (7), and magnetic latching relay U5/R6 normal opened contact is the output alarm port; Described general-purpose relay trigger circuit are: the base stage of triode T5 connects 1 pin of E2PROM and I/O expanding element (7) by resistance R 8, the grounded emitter of triode T5, collector connects the coil of diode D3 and relay U7 respectively by a resistance R 7, described diode is connected the 15V power supply with the other end of relay U7 coil, the 15V power supply is by the ground connection in parallel of two decoupling capacitors, and described relay normally open contact is the output alarm port.
As Fig. 8, shown in Figure 9, described demonstration communication unit 8 is to be made of communicating circuit and display circuit, communicating circuit wherein includes three high-speed light lotus root chip U6, U7, U8 and communication and drives integrated package U9, the model of three high-speed light lotus root chip U6, U7, U8 is 6N137, and the model of integrated package U9 is MAX487.Wherein, 2 pin of chip U6 connect the 5V power supply, and 3 pin connect 37 pin of the single-chip microcomputer U1 of control module 2, and 8 pin of high-speed light lotus root chip U6 meet power supply Vdd, also connect 2,3 pin of integrated package U9,5 pin ground connection by a resistance with 6 pin; 2 pin of high-speed light lotus root chip U7 connect the 5V power supply, also by the ground connection in parallel of two electric capacity, 3 pin are by 36 pin of the single-chip microcomputer U1 of a resistance connection control module 2, and 8 pin meet power supply Vdd, also connect 4 pin of integrated package U9,5 pin ground connection with 6 pin by a resistance; 8 pin of high-speed light lotus root chip U8 connect the 5V power supply, also connect 35 pin of the single-chip microcomputer U1 of control module 2 together by resistance and 6 pin, and 2 pin meet power supply Vdd, and 3 pin connect 1 pin of integrated package U9 by a resistance; 6 pin of integrated package U9 are that output terminal is connected outer computer with 7 pin, can make things convenient for equipment network to realize also connecting a resistance between 6 pin and 7 pin by computer monitor and control, and 8 pin of integrated package U9 connect power supply Vdd, also the power supply Vss that is connected in parallel by two electric capacity; Described display circuit includes display board socket J1,1,2,3,4 pin of described display board socket J1 respectively connect 26,25,24,23 pin of the integrated package U4 of E2PROM and I/O expanding element 7 by a resistance, and more respectively respectively by a capacity earth, and by a resistance eutral grounding, corresponding respectively 31,39,40,38 pin that connect the single-chip microcomputer U1 of control module 2 of 5,6,7,8 pin of display board socket J1, the 9 pin ground connection of display board socket J1,10 pin connect the 5V power supply, also are connected with two electric capacity that are in parallel between 9 pin and 10 pin.
As shown in figure 10, described IPM module interface unit 3 includes IPM module U10, and model is IRAMS10UP60B.1 pin of described IPM module U10 passes through an electric capacity with 2 pin, 4 pin pass through an electric capacity with 5 pin, 7 pin connect the three-phase of motor by an electric capacity respectively with 8 pin, 10 pin of IPM module U10 meet the AC-A in the power circuit 1,12 pin ground connection, also be connected an electric capacity between 10 pin and 12 pin, 15 of IPM module U10,16,17,18,19,42 of the single-chip microcomputer U1 of the corresponding respectively connection control module 2 of 20 pin, 44,2,43,1,3 pin, 21 pin also connect 4 pin of the single-chip microcomputer U1 of control module 2 by a resistance, 22 pin also connect 19 pin of the single-chip microcomputer U1 of control module 2 by a resistance, 23 pin ground connection, also by two electric capacity and connect 5V power supply, 15 of IPM module U10,16,17,18,19,20 pin also respectively connect the 5V power supply by a resistance respectively.
The intelligent type frequency-conversion electric actuator course of work of the present utility model is: external communication input power supply AC supplies with control module 2 through power circuit 1 conversion one road dc low-voltage, another road high direct voltage offers IPM module 3, IPM module 3 converts high voltage direct current to three-phase square wave voltage and removes to drive BLDC motor 4 under the control of control module 2, thereby driving valve 6 through reducing gear 5 rotates, 2 of control modules are according to A/D, / A changes 4～0Ma signal and the current valve location that 9 detected Central Control Rooms send, set definite motor start-stop and travelling speed in advance according to program, control module 2 calculates current valve location according to the Hall element feedback signal of BLDC motor 4 simultaneously, this position digital signal is issued A/DD/A conversion 9, become 4～0MA simulating signal to send Central Control Room to by this cell translation, control module 2 is gone back various other signal values of detection system during this period, synthesis display is exported corresponding alerting signal when abnormal failure occurring on local display then.
Claims (9)
1. an intelligent type frequency-conversion electric actuator includes power circuit (1), it is characterized in that: described power circuit (1) provides direct supply to IPM module interface unit (3) and control module (2) respectively; Described IPM module interface unit (3) drives dc brushless motor (4); Described control module (2) receives and detects the input given signal of 4～20ma and convert valve location to 4～20ma signal feedback by A/D, D/A converting unit (9) gives Central Control Room; Detect external switch amount output unit (10) and the necessary parameter of the normal operation of preservation equipment through E2PROM and I/O expanding element (7); By showing communication unit (8) output alarm signal and showing current system information; When dc brushless motor rotates, monitor the signal of Hall element in the motor and give IPM module interface unit (3) according to the different pwm signal of this signal output; Described dc brushless motor (4) connects reducing gear (5), and described reducing gear (5) connects valve (6).
2. intelligent type frequency-conversion electric actuator according to claim 1, it is characterized in that: described power circuit (1) includes the filter rectification output circuit that direct supply is provided to IPM module interface unit (3), and the step-down output circuit that direct supply is provided to control module (2).
3. intelligent type frequency-conversion electric actuator according to claim 1 is characterized in that: described control module (2) is to be made of single-chip microcomputer U1.
4. intelligent type frequency-conversion electric actuator according to claim 1, it is characterized in that: described dc brushless motor (4) is the motor that has three Hall elements, 12 of the single-chip microcomputer U1 of described control module (2), 13,14 pin are respectively respectively by the corresponding output terminal that connects three Hall elements of a resistance, 5V power end on 24 pin of the single-chip microcomputer U1 of control module (2) is respectively by the corresponding power end that connects three Hall elements of a resistance, and the ground end of 25 pin of the single-chip microcomputer U1 of control module (2) is respectively by the corresponding earth terminal that connects three Hall elements of an electric capacity.
5. intelligent type frequency-conversion electric actuator according to claim 1, it is characterized in that: described A/D, D/A converting unit (9) include A/D conversion integration block U2 and D/A conversion integration block U3 two parts, wherein, the output terminal of A/D conversion integration block U2 connects the 18th pin of the single-chip microcomputer U1 of control module (2), and the input of D/A conversion integration block U3 connects the 8th pin of the single-chip microcomputer U1 of control module (2).
6. intelligent type frequency-conversion electric actuator according to claim 1, it is characterized in that: described E2PROM and I/O expanding element (7) are to be made of expansion integrated package U4, and 1,2,3,7,8 pin of described expansion integrated package U4 connect switching value output unit (10); 20th, the 12nd, 13,14 pin of the single-chip microcomputer U1 of 21,22 connection control modules (2); 23rd, 24,25,26 pin connect and show communication unit (8).
7. intelligent type frequency-conversion electric actuator according to claim 1, it is characterized in that: described switching value output unit (10) includes drive circuit of magnetic latching relay and one group of general-purpose relay trigger circuit of two groups of same structures, wherein, described drive circuit of magnetic latching relay is provided with magnetic latching relay U5/U6, the drive coil of described magnetic latching relay U5/U6 is connected to the collector of switch triode T1/T2 by resistance R 5/R6, also be connected to the 15V power supply by sustained diode 2/D1, the release coil of magnetic latching relay U5/U6 connects the 15V power supply by sustained diode 5/D4, the collector that also connects switch triode T4/T3 by resistance R 10/R9 resistance, the emitter of triode T1/T2 and triode T4/T3 is ground connection all, the base stage of triode T1/T2 connects the 3/2nd pin of E2PROM and I/O expanding element (7) by resistance R 4/R3, the base stage of triode T4/T3 is by the 7/8th pin of resistance R 13/R12 connection E2PROM and I/O expanding element (7), and magnetic latching relay U5/U6 normal opened contact is the output alarm port; Described general-purpose relay trigger circuit are: the base stage of triode T5 connects 1 pin of E2PROM and I/O expanding element (7) by resistance R 8, the grounded emitter of triode T5, collector connects the coil of diode D3 and relay U7 respectively by a resistance R 7, the other end of described diode and relay coil is connected the 15V power supply, the 15V power supply is by the ground connection in parallel of two decoupling capacitors, and the normal opened contact of described relay U7 is the output alarm port.
8. intelligent type frequency-conversion electric actuator according to claim 1, it is characterized in that: described demonstration communication unit (8) is to be made of communicating circuit and display circuit, communicating circuit wherein includes three high-speed light lotus root chip U6, U7, U8 and communication and drives integrated package U9, wherein, 2 pin of chip U6 connect the 5V power supply, 3 pin connect 37 pin of the single-chip microcomputer U1 of control module (2), 8 pin of high-speed light lotus root chip U6 meet power supply Vdd, also connect 2,3 pin of integrated package U9,5 pin ground connection with 6 pin by a resistance; 2 pin of high-speed light lotus root chip U7 connect the 5V power supply, also by the ground connection in parallel of two electric capacity, 3 pin are by 36 pin of the single-chip microcomputer U1 of a resistance connection control module (2), and 8 pin meet power supply Vdd, also connect 4 pin of integrated package U9,5 pin ground connection with 6 pin by a resistance; 8 pin of high-speed light lotus root chip U8 connect the 5V power supply, also connect 35 pin of the single-chip microcomputer U1 of control module (2) together by resistance and 6 pin, and 2 pin meet power supply Vdd, and 3 pin connect 1 pin of integrated package U9 by a resistance; 6 pin of integrated package U9 are that output terminal is connected outer computer with 7 pin, also connect a resistance between 6 pin and 7 pin, and 8 pin of integrated package U9 connect power supply Vdd, also the power supply Vss that is connected in parallel by two electric capacity; Described display circuit includes display board socket J1,1,2,3,4 pin of described display board socket J1 respectively connect 26,25,24,23 pin of the integrated package U4 of E2PROM and I/O expanding element (7) by a resistance, and more respectively respectively by a capacity earth, and by a resistance eutral grounding, corresponding respectively 31,39,40,38 pin that connect the single-chip microcomputer U1 of control module (2) of 5,6,7,8 pin of display board socket J1, the 9 pin ground connection of display board socket J1,10 pin connect the 5V power supply, also are connected with two electric capacity that are in parallel between 9 pin and 10 pin.
9. intelligent type frequency-conversion electric actuator according to claim 1, it is characterized in that: described IPM module interface unit (3) includes IPM module U10,1 pin of described IPM module U10 passes through an electric capacity with 2 pin, 4 pin pass through an electric capacity with 5 pin, 7 pin connect the three-phase of motor by an electric capacity respectively with 8 pin, 10 pin of IPM module U10 meet the AC-A in the power circuit (1), 12 pin ground connection, also be connected an electric capacity between 10 pin and 12 pin, 15 of IPM module U10,16,17,18,19,42 of the single-chip microcomputer U1 of 20 pin difference corresponding connection control modules (2), 44,2,43,1,3 pin, 21 pin also connect 4 pin of the single-chip microcomputer U1 of control module (2) by a resistance, 22 pin also connect 19 pin of the single-chip microcomputer U1 of control module (2) by a resistance, 23 pin ground connection, also by two electric capacity and connect 5V power supply, 15 of IPM module U10,16,17,18,19,20 pin also respectively connect the 5V power supply by a resistance respectively.
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| CNU2008201429921U CN201348740Y (en) | 2008-11-11 | 2008-11-11 | Intelligent type frequency-conversion electric actuator |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101813209A (en) * | 2009-02-20 | 2010-08-25 | 德昌电机(深圳)有限公司 | Control module and method of executing valve using brushless DC motor |
| CN108809155A (en) * | 2018-06-06 | 2018-11-13 | 苏州博睿测控设备有限公司 | A kind of high-precision control intelligent electric executer control system |
| CN109322579A (en) * | 2018-12-13 | 2019-02-12 | 杭州茂葳科技有限公司 | A kind of brushless overhead door |
| CN110486521A (en) * | 2019-09-03 | 2019-11-22 | 陕西科技大学 | A kind of execution time adjustable electric valve actuator control device and method |
| CN114019893A (en) * | 2021-10-28 | 2022-02-08 | 中国舰船研究设计中心 | Electric drive side valve control system for ship |
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2008
- 2008-11-11 CN CNU2008201429921U patent/CN201348740Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101813209A (en) * | 2009-02-20 | 2010-08-25 | 德昌电机(深圳)有限公司 | Control module and method of executing valve using brushless DC motor |
| CN108809155A (en) * | 2018-06-06 | 2018-11-13 | 苏州博睿测控设备有限公司 | A kind of high-precision control intelligent electric executer control system |
| CN109322579A (en) * | 2018-12-13 | 2019-02-12 | 杭州茂葳科技有限公司 | A kind of brushless overhead door |
| CN109322579B (en) * | 2018-12-13 | 2024-01-19 | 杭州茂葳科技有限公司 | Brushless lifting door |
| CN110486521A (en) * | 2019-09-03 | 2019-11-22 | 陕西科技大学 | A kind of execution time adjustable electric valve actuator control device and method |
| CN114019893A (en) * | 2021-10-28 | 2022-02-08 | 中国舰船研究设计中心 | Electric drive side valve control system for ship |
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