CN205896337U - Intelligence electric actuator's moment mark anchoring mechanism - Google Patents

Abstract

The utility model belongs to the technical field of power electronics and specifically relates to an intelligence electric actuator's moment mark anchoring mechanism, including moment swing arm, moment board, bipolar magnet, compared with the prior art, intelligence electric actuator's moment mark anchoring mechanism and circuit have been designed, 12 position magnetic rotary encoder able to programme, demarcate the zero -bit under the unloaded circumstances of executor, and preserve the zero -bit to the memory chip in, then when the continuous loading of executor during to the rated moment, deformation takes place for extrusion belleville spring, it is rotatory that the moment swing arm drives bipolar magnet, rotation angle through magnet marks the executor rated moment, and preserve the rated moment to the memory chip in, the realization need not to uncap and to accomplish the demarcation to intelligent electric actuator rated moment, and moment can be according to the in -service use condition, use 10% to be step -by -step the adjustment in 40%~100% of rated moment. The utility model has the characteristics of the mechanical structure installation is simple, the precision is high.

Description

A kind of moment calibrating device of intelligent electric activator

Technical field

This utility model is related to electric and electronic technical field, and the moment of specifically a kind of intelligent electric activator is demarcated Mechanism.

Background technology

With the high speed development of YE, it is very important function that the force moment protection of YE sets, such as What exempts to uncap, and quickly to adjust force moment protection value be a new problem, and traditional set-up mode crossing force moment protection cannot be expired Live require that of foot.

The mistake moment protected mode of most of domestic executor is realized by machine driving.When executor's output torque When, worm screw produces corresponding displacement, by machine driving, this linear displacement is converted into angle change, open and close direction respectively has 1 Cam, the rotation of the cam break-make to control the travel switch in open and close direction.Its shortcoming is: needs when moment is demarcated Executor to be taken apart is configured, and when carrying out such demarcation mode, if executor's valve opening position needs to change, execution In device, corresponding moment wiring is also required to be changed accordingly.And, after the completion of moment is demarcated, in covered feelings Under condition, moment is nonadjustable.

Accordingly, it would be desirable to design a kind of moment calibrating device, need not uncap and can complete to intelligent electric activator nominal force The demarcation of square, and moment can be adjusted with 10% for stepping according to actually used situation.

Content of the invention

The purpose of this utility model is to overcome the deficiencies in the prior art, there is provided a kind of moment calibrating device, need not uncap The demarcation to intelligent electric activator rated moment can be completed, and moment can be according to actually used situation, with 10% for step It is adjusted.

In order to achieve the above object, this utility model is a kind of moment calibrating device of intelligent electric activator, including power Square swing arm, moment plate, bipolar magnet it is characterised in that: one end of moment swing arm is located in the groove of worm screw, moment swing arm another End is fixed on plate, and the other end end of moment swing arm is provided with bipolar magnet, and the top of bipolar magnet is provided with moment plate, moment Plate is arranged on plate by column, and described moment plate includes magnetic rotary encoder, storage chip, resistance, electric capacity, three poles Pipe, connector, magnetic rotary encoder are located at the surface of bipolar magnet, No. 1 foot of magnetic rotary encoder divide two-way and No. 2 feet with And one end of resistance one connects, the other end of resistance one is connected with vcc power supply, No. 6 feet of magnetic rotary encoder, No. 7 feet, No. 8 Pin is grounded, after No. 9 foot series resistances four of magnetic rotary encoder, by connector No. 6 feet, resistance with storage chip respectively One end of 15 one end and resistance 16 connects, and the other end of resistance 15 is connected with the ad4 pin of single-chip microcomputer, magnetic rotation After No. 10 foot series resistances three of encoder, by connector respectively with No. 5 feet of storage chip, one end of resistance 17 and One end of resistance 18 connects, and the other end of resistance 17 is connected with the ad2 pin of single-chip microcomputer, and the other end of resistance 16 divides Two-way is connected with the other end of resistance 18 and vcc power supply, after No. 11 foot series resistances two of magnetic rotary encoder, passes through Connector is connected with the base stage of audion, the grounded emitter of audion, and the colelctor electrode of audion divides four tunnels electric with pull-up respectively One end of resistance, No. 1 foot of storage chip, No. 2 feet and No. 3 feet connect, and the other end of pull-up resistor is connected with vcc power supply, magnetic No. 15 feet of rotary encoder are connected with the positive pole of electric capacity four, No. 16 feet of magnetic rotary encoder divide two-way respectively with electric capacity three One end and vcc power supply connect, the negative pole of electric capacity four, the other end ground connection of electric capacity three, No. 4 foot ground connection of storage chip, storage No. 7 feet of chip divide two-way to be connected with one end of electric capacity one and the negative pole of electric capacity two respectively, No. 8 Jiao Fen tri- tunnels of storage chip It is connected with the other end of electric capacity one, the positive pole of electric capacity two and vcc power supply respectively.

It is connected using jump ring between described moment swing arm and plate.

Described magnetic rotary encoder model as5045.

Described storage chip model at24c64.

Described single-chip microcomputer model pic16f887.

Described electric capacity one, described electric capacity three are as 0805 patch capacitor.

Described electric capacity two, described electric capacity four are tantalum electric capacity.

This utility model compared with the existing technology, devises moment calibrating device and the circuit of intelligent electric activator, and 12 Position programmable magnetic rotation coding device, in executor's no-load condition subscript zero setting, and zero-bit is preserved to storage chip, then When executor is constantly loaded onto rated moment, extruding disk spring deforms upon, and moment swing arm drives bipolar magnet rotation, leads to Cross the anglec of rotation of Magnet to demarcate executor's rated moment, and rated moment is preserved to storage chip, realization need not Uncap the demarcation that can complete to intelligent electric activator rated moment, and moment can be according to actually used situation, in volume Determine moment 40% ~ 100% is adjusted with 10% for stepping.This utility model has frame for movement and installs the simple, spy of high precision Point.

Brief description

Fig. 1 is structural representation of the present utility model.

Fig. 2 is circuit diagram one of the present utility model.

Fig. 3 is circuit diagram two of the present utility model.

Fig. 4 is circuit diagram three of the present utility model.

Specific embodiment

In conjunction with accompanying drawing, this utility model is described further.

Referring to Fig. 1, this utility model is a kind of moment calibrating device of intelligent electric activator, including moment swing arm, power Square plate, bipolar magnet.One end of moment swing arm 1 is located in the groove of worm screw, and the other end of moment swing arm 1 is fixed on plate, power It is connected using jump ring between square swing arm 1 and plate.The other end end of moment swing arm 1 is provided with bipolar magnet 2, bipolar magnet 2 Top is provided with moment plate 3, and moment plate 3 is arranged on plate by column.

Referring to Fig. 2-4, moment plate 3 includes magnetic rotary encoder, storage chip, resistance, electric capacity, audion, connector, magnetic Rotary encoder u1 is located at the surface of bipolar magnet 2, and No. 1 foot of magnetic rotary encoder u1, No. 2 feet represent magnetic field intensity respectively Increase and magnetic field intensity reduce, No. 1 foot of magnetic rotary encoder u1 divides two-way and one end of No. 2 feet and resistance one r1 to be connected, The other end of resistance one r1 is connected with vcc power supply, No. 6 feet of magnetic rotary encoder u1, No. 7 feet, No. 8 pin ground connection, magnetic rotation After No. 9 foot series resistance four r4 of encoder u1, by connector No. 6 feet, resistance 15 r15 with storage chip ic6 respectively One end and one end of resistance 16 r16 connect, the other end of resistance 15 r15 is connected with the ad4 pin of single-chip microcomputer, magnetic rotation After turning No. 10 foot series resistance three r3 of encoder u1, by connector No. 5 feet, the resistance 17 with storage chip ic6 respectively One end of one end of r17 and resistance 18 r18 connects, and the other end of resistance 17 r17 is connected with the ad2 pin of single-chip microcomputer Connect, the other end of resistance 16 r16 divides two-way to be connected with the other end of resistance 18 r18 and vcc power supply, magnetic rotary encoder After No. 11 foot series resistance two r2 of device u1, it is connected with the base stage of audion q15 by connector, the emitter stage of audion q15 Ground connection, the colelctor electrode of audion q15 divide four tunnels respectively with one end of pull-up resistor r51, No. 1 foot of storage chip ic6, No. 2 feet And No. 3 feet connect, the other end of pull-up resistor r51 is connected with vcc power supply, and No. 12 feet of magnetic rotary encoder u1 are for pwm about Non-inverting input for 244hz, No. 15 feet of magnetic rotary encoder u1 are connected with the positive pole of electric capacity four c4, magnetic rotary encoder No. 16 feet of u1 divide two-way to be connected with one end of electric capacity three c3 and vcc power supply respectively, the negative pole of electric capacity four c4, electric capacity three c3 The other end is grounded, No. 4 foot ground connection of storage chip ic6, and No. 7 feet of storage chip ic6 divide two-way respectively with electric capacity one c50 The negative pole of end and electric capacity two c51 connects, No. 8 Jiao Fen tri- tunnels other end, the electricity with electric capacity one c50 respectively of storage chip ic6 Hold the positive pole of two c51 and vcc power supply connects.

In this utility model, magnetic rotary encoder u1 model as5045, as5045 is that a kind of non-contact type magnetic rotation is compiled Code device, is a SOC(system on a chip), is integrated with hall element around the central distribution of chip in single package, and export an energy Enough represent the voltage of ic Surface field, by analog/digital and digital signal processing algorithm, it is possible to provide accurate high-resolution is exhausted To angular position information, its resolution reaches 0.0879 ° that is to say, that often enclosing recognizable 4096 positions.Can detect simultaneously The direction in magnetic field simultaneously calculates the binary coding of 12, and coding can be conducted interviews by synchronous serial interface.As5045's is main Feature is: 1 non-contact type in the range of whole 360 °, high-resolution, position of rotation coding；2, two kinds of digital 12 absolute values Output；3, user-programmable zero-bit；4, for the malfunction monitoring pattern of magnet positions monitoring and power-off monitoring；5, wider temperature Scope: -40 DEG C ~+125 DEG C.

Storage chip ic6 model at24c64.

Single-chip microcomputer model pic16f887.

Electric capacity one c50, electric capacity three c3 are as 0805 patch capacitor, and electric capacity two c51, electric capacity four c4 are tantalum electric capacity.

This utility model carry out moment demarcate when, due to magnetic rotary encoder u1 can by user setting zero-bit, When executor is unloaded, when disk spring 4 is not extruded, by the operation button on operations actuator guidance panel and coordinate In master control borad programming software so that in moment plate 3 magnetic rotary encoder u1 go to read a zero value, and by zero-bit write to In storage chip ic6.Then it is loaded onto rated moment to executor, when executor's reinforcing square, turbine drives worm screw to make dish Shape spring 4 deforms upon, thus driving moment swing arm 1, drives bipolar magnet 2 rotation one being arranged in moment swing arm 1 simultaneously Individual angle, magnetic rotary encoder u1 detects the direction in magnetic field and calculates 12 binary codings, coordinates master by operation button Control plate software preserves the moment values demarcated to storage chip ic6.

Claims (7)

1. the moment calibrating device of a kind of intelligent electric activator, including moment swing arm, moment plate, bipolar magnet, its feature exists In: in the groove that one end of moment swing arm (1) is located at worm screw, the other end of moment swing arm (1) is fixed on plate, moment swing arm (1) other end end is provided with bipolar magnet (2), and the top of bipolar magnet (2) is provided with moment plate (3), and moment plate (3) passes through vertical Post is arranged on plate, and described moment plate (3) includes magnetic rotary encoder, storage chip, resistance, electric capacity, audion, patches Part, magnetic rotary encoder (u1) are located at the surface of bipolar magnet (2), and No. 1 foot of magnetic rotary encoder (u1) divides two-way and No. 2 One end of foot and resistance one (r1) connects, and the other end of resistance one (r1) is connected with vcc power supply, magnetic rotary encoder (u1) No. 6 feet, No. 7 feet, No. 8 pin ground connection, after No. 9 foot series resistances four (r4) of magnetic rotary encoder (u1), are divided by connector It is not connected with one end of No. 6 feet, one end of resistance 15 (r15) and resistance 16 (r16) of storage chip (ic6), resistance The other end of 15 (r15) is connected with the ad4 pin of single-chip microcomputer, No. 10 foot series resistances three (r3) of magnetic rotary encoder (u1) Afterwards, by connector respectively with No. 5 feet of storage chip (ic6), one end of resistance 17 (r17) and resistance 18 (r18) One end connect, the other end of resistance 17 (r17) is connected with the ad2 pin of single-chip microcomputer, the other end of resistance 16 (r16) Two-way is divided to be connected with the other end of resistance 18 (r18) and vcc power supply, No. 11 foot series resistances of magnetic rotary encoder (u1) After two (r2), it is connected with the base stage of audion (q15) by connector, the grounded emitter of audion (q15), audion (q15) colelctor electrode divide four tunnels respectively with one end of pull-up resistor (r51), No. 1 foot of storage chip (ic6), No. 2 feet and 3 Number foot connects, and the other end of pull-up resistor (r51) is connected with vcc power supply, No. 15 feet of magnetic rotary encoder (u1) and electric capacity four (c4) positive pole connects, and No. 16 feet of magnetic rotary encoder (u1) divide one end and vcc electricity respectively with electric capacity three (c3) for the two-way Source connects, the negative pole of electric capacity four (c4), the other end ground connection of electric capacity three (c3), No. 4 foot ground connection of storage chip (ic6), storage No. 7 feet of chip (ic6) divide two-way to be connected with one end of electric capacity one (c50) and the negative pole of electric capacity two (c51) respectively, store core No. 8 Jiao Fen tri- tunnels of piece (ic6) are respectively with the other end of electric capacity one (c50), the positive pole of electric capacity two (c51) and vcc power supply even Connect.

2. a kind of intelligent electric activator according to claim 1 moment calibrating device it is characterised in that: described power Square swing arm (1) is connected using jump ring between plate.

3. a kind of intelligent electric activator according to claim 1 moment calibrating device it is characterised in that: described magnetic Rotary encoder (u1) model as5045.

4. a kind of intelligent electric activator according to claim 1 moment calibrating device it is characterised in that: described deposits Storage chip (ic6) model at24c64.

5. a kind of intelligent electric activator according to claim 1 moment calibrating device it is characterised in that: described list Piece machine model pic16f887.

6. a kind of intelligent electric activator according to claim 1 moment calibrating device it is characterised in that: described electricity Hold one (c50), described electric capacity three (c3) is as 0805 patch capacitor.

7. a kind of intelligent electric activator according to claim 1 moment calibrating device it is characterised in that: described electricity Hold two (c51), described electric capacity four (c4) is tantalum electric capacity.