CN111706706A

CN111706706A - Anti-interference digital electric actuator

Info

Publication number: CN111706706A
Application number: CN202010558918.3A
Authority: CN
Inventors: 田中山; 杨昌群; 牛道东; 李育特; 蒋通明; 鲍红旗; 林元文; 蒋仁华; 李永钧
Original assignee: Yangzhou Hengchun Electronic Co ltd; Sinopec Marketing South China Co
Current assignee: Yangzhou Hengchun Electronic Co ltd; Sinopec Marketing South China Co
Priority date: 2020-06-18
Filing date: 2020-06-18
Publication date: 2020-09-25

Abstract

The invention discloses an anti-interference digital electric actuator which comprises an electric actuator body, wherein an indicator is arranged at the top of the electric actuator body, a display screen is arranged in the indicator, the outer wall of the display screen is connected with a snoot, the display screen is matched with the snoot, a first fixture block is welded at the bottom of the snoot, the outer wall of the first fixture block is connected with a second fixture block, the first fixture block is connected with the second fixture block in a buckling mode, the tail of the second fixture block is hinged with a first rotating shaft, and the outer wall of the first rotating shaft is connected with a control rod. According to the invention, the signal isolator is attached to the outer wall of the fixing plate, the fixing strip penetrates into the signal isolator, the clamping plate is turned over and rotated under the action of the second rotating shaft, so that the clamping plate is rotated to the outer wall of the fixing plate to be clamped and fixed, the position between the signal isolator and the fixing plate is fixed, and the heat dissipation fan connected between the capacitor and the signal isolator can dissipate heat of air in the fixing plate.

Description

Anti-interference digital electric actuator

Technical Field

The invention relates to the field of electric actuators, in particular to an anti-interference digital electric actuator.

Background

The actuator is an essential important component in an automatic control system, and is used for receiving a control signal sent by a controller and changing the size of a controlled medium so as to maintain a controlled variable at a required value or within a certain range. The pneumatic actuator uses compressed air as energy source, and features simple structure, reliable and stable action, large output thrust, convenient maintenance, fire and explosion protection, and low price, so it can be widely used in chemical, paper and oil refining production processes, and can be conveniently used with passive instruments, even if it is controlled by electric instruments or computers, it can still use pneumatic actuator by converting electric signal into 20-100kPa standard air pressure signal through electric-to-air converter or electric-to-air valve positioner, the energy source of electric actuator is convenient to use, the signal transmission is rapid, but the structure is complex, the explosion protection performance is poor, the hydraulic actuator is basically not used in chemical, oil refining production processes, and its feature is large output thrust.

However, the existing electric actuator on the market has a relatively complex structure, small thrust and high average failure rate in the use process, the internal motor generates heat when running, if the adjusting frequency is high, the motor is easily overheated, the speed reduction operation is slow when the adjusting frequency is increased, the time consumed when the adjuster outputs a signal to the adjusting valve to respond and move to a specified position is long, and the content displayed inside the indicator cannot be clearly seen in places with strong and weak brightness.

Therefore, it is necessary to provide an anti-interference digital electric actuator to solve the above problems.

Disclosure of Invention

The invention aims to provide an anti-interference digital electric actuator, wherein a display screen is adhered inside an indicator through potting adhesive, the display screen and the indicator are fixed through a screw rod, LED lamp beads are uniformly fixed inside a display frame and a signal frame, a light-gathering cover is attached to the periphery of the display screen, a first fixture block fixed at the rear part of the light-gathering cover is plugged into the display screen, a second fixture block rotates under the action of the extrusion of the first fixture block on a first rotating shaft, when the first fixture block slides to the bottom of the display screen, the second fixture block rebounds to the top of the first fixture block through a spring to be clamped and fixed with the first fixture block, a fixed rod is placed inside a control rod to fix the position of the second fixture block, when the fixation of the first fixture block needs to be released, the fixed rod can be taken out of the inside of the control rod, so that the control rod slides inside the display screen under the action of a movable groove, therefore, the second clamping block is buckled with the first clamping block, and the inside of the indicator can be clearly seen under strong light and weak light after the indicator is fixed, so that the defects in the technology are overcome.

In order to achieve the above purpose, the invention provides the following technical scheme: an anti-interference digital electric actuator comprises an electric actuator body, wherein an indicator is arranged at the top of the electric actuator body, a display screen is arranged inside the indicator, the outer wall of the display screen is connected with a snoot, the display screen is matched with the snoot, a first clamping block is welded at the bottom of the snoot, the outer wall of the first clamping block is connected with a second clamping block, the first clamping block is buckled with the second clamping block, the tail part of the second clamping block is hinged with a first rotating shaft, the outer wall of the first rotating shaft is connected with a control rod, the outer wall of the control rod is provided with a movable groove, the control rod is in sliding connection with the movable groove, the control rod is matched with the second clamping block, a fixed rod penetrates through the control rod, the control rod is buckled with the fixed rod, the display screen is internally connected with an LED lamp bead, and the outer wall of, LED lamp pearl and display frame phase-match, display frame externally mounted has the signal frame, LED lamp pearl and signal frame phase-match, electric actuator body internal connection has the condenser, condenser outer wall connection has the heat dissipation fan, heat dissipation fan outer wall is provided with the signal isolator, the inside fixed strip that has run through of signal isolator, the fixed strip outer wall connection has the second pivot, second pivot outer wall articulates there is the cardboard, the inside fixed plate that has run through of cardboard, the cardboard is connected with the fixed plate lock.

Preferably, the number of the first clamping blocks is two, and the two first clamping blocks are symmetrically arranged around the central axis of the light-gathering cover.

Preferably, the bottom of the display screen is bonded with a potting adhesive, and the potting adhesive is made of epoxy resin.

Preferably, a screw rod penetrates through the joint of the glue filling and the indicator, and the glue filling is matched with the indicator.

Preferably, the number of the LED lamp beads is provided with a plurality of LED lamp beads, and the LED lamp beads are matched with the inside of the display frame and the signal frame.

Preferably, the number of the heat dissipation fans is three, and a line is connected between each heat dissipation fan and the corresponding capacitor.

Preferably, the signal isolator is connected with the fixing strip in a sliding mode, the number of the clamping plates is two, and the two clamping plates are matched with the fixing plate.

Preferably, the outer wall of the fixing plate is bonded with a breathable glue, and the breathable glue is made of non-woven fabrics.

In the technical scheme, the invention provides the following technical effects and advantages:

1. the display screen is adhered to the inside of the indicator through glue pouring, the display screen and the indicator are fixed through the screw rod, the LED lamp beads are uniformly fixed inside the display frame and the signal frame, the light-gathering cover is attached to the periphery of the display screen, the first fixture block fixed at the rear part of the light-gathering cover is plugged into the display screen, the second fixture block is fastened and fixed with the first fixture block, and the inside of the indicator can be clearly seen in strong light and weak light after the fixing is finished;

2. through laminating the signal isolator to the outer wall of fixed plate, run through the inside to the signal isolator with the fixed strip again, the cardboard is rotated in the upset under the effect of second pivot, it is fixed to make the cardboard rotate the outer wall of fixed plate and carry out the block, thereby position between fixed signal isolator and the fixed plate, the heat dissipation fan of being connected between condenser and the signal isolator can dispel the heat to the air of inside, compared with the prior art, the signal isolation of electric actuator body can be realized to this device, can produce the heat when having alleviateed the motor of inside when moving, the regulation frequency is big, easily cause the motor overheated, increase the slower problem of deceleration operation.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

FIG. 1 is a schematic overall perspective view of the present invention;

FIG. 2 is a schematic top cross-sectional view of an indicator according to the present invention;

FIG. 3 is a schematic front view of a cross-sectional structure of a display screen according to the present invention;

FIG. 4 is a schematic bottom sectional view of a display panel according to the present invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 4 according to the present invention;

FIG. 6 is a schematic side sectional view of the electric actuator body according to the present invention;

fig. 7 is a schematic top sectional view of a signal isolator according to the present invention.

Description of reference numerals:

1 electric actuator body, 2 indicators, 3 display screens, 4 snoots, 5 first fixture blocks, 6 second fixture blocks, 7 first pivot, 8 control levers, 9 activity grooves, 10 dead levers, 11 LED lamp pearls, 12 display frames, 13 signal frames, 14 condenser, 15 heat dissipation fan, 16 signal isolator, 17 fixed strip, 18 second pivot, 19 cardboard, 20 fixed plates.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

The invention provides an anti-interference digital electric actuator as shown in figures 1-7, which comprises an electric actuator body 1, wherein an indicator 2 is arranged at the top of the electric actuator body 1, a display screen 3 is arranged inside the indicator 2, a light-gathering cover 4 is connected to the outer wall of the display screen 3, the display screen 3 is matched with the light-gathering cover 4, a first fixture block 5 is welded at the bottom of the light-gathering cover 4, a second fixture block 6 is connected to the outer wall of the first fixture block 5, the first fixture block 5 is buckled with the second fixture block 6, a first rotating shaft 7 is hinged at the tail part of the second fixture block 6, a control rod 8 is connected to the outer wall of the first rotating shaft 7, a movable groove 9 is formed in the outer wall of the control rod 8, the control rod 8 is slidably connected with the movable groove 9, the control rod 8 is matched with the second fixture block 6, and a fixing rod 10 penetrates through the, the utility model discloses a motor vehicle electric actuator, including electric actuator body 1, control lever 8, dead lever 10, display screen 3 internally connected with

LED lamp pearl

11, 11 outer walls of LED lamp pearl are provided with display frame 12, LED lamp pearl 11 and display frame 12 phase-match, display frame 12 externally mounted has signal frame 13, LED lamp pearl 11 and signal frame 13 phase-match, 1 internally connected with condenser 14 of electric actuator body, 14 outer wall connections of condenser have heat dissipation fan 15, heat dissipation fan 15 outer wall is provided with

signal isolator

16, 16 inside fixed strips 17 that run through of signal isolator, 17 outer wall connections of fixed strips have

second pivot

18, 18 outer walls of second pivot articulate there is cardboard 19, 19 inside fixed plates 20 that run through of cardboard, cardboard 19 is connected with 20 lock of fixed plates.

Further, in the above technical scheme, the number of the first fixture blocks 5 is two, and the two first fixture blocks 5 are symmetrically arranged about the central axis of the light-gathering cover 4, so that the structure effectively shows that the first fixture block 5 fixed at the rear part of the light-gathering cover 4 is plugged into the display screen 3, the first fixture block 5 is fixedly clamped with the second fixture block 6, and two sides of the light-gathering cover 4 are stably fixed for stably gathering light.

Furthermore, in the above technical scheme, the potting adhesive is bonded to the bottom of the display screen 3 and is made of epoxy resin, and the structure effectively illustrates that the display screen 3 and the indicator 2 can be stably connected and are not easy to fall off.

Further, the lead screw has been run through with 2 junctions of indicator to the encapsulating, the encapsulating is with 2 phase-matchs of indicator, and this structure has effectively explained and has pasted display screen 3 in the inside of indicator 2 through encapsulating, is making display screen 3 and indicator 2 fix with the lead screw.

Further, in the above technical solution, the number of the LED lamp beads 11 is multiple, and the multiple LED lamp beads 11 are matched with the inside of the display frame 12 and the signal frame 13, which effectively explains the situation that the content displayed inside the indicator 2 cannot be seen clearly in the places with strong and weak brightness.

Further, in the above technical solution, three heat dissipation fans 15 are provided, and a circuit is connected between the three heat dissipation fans 15 and the capacitor 14, which effectively indicates that the heat dissipation fans 15 connected between the capacitor 14 and the signal isolator 16 can dissipate heat from the air inside.

The implementation mode is specifically as follows: when the device is in actual use, firstly, the electric actuator body 1 in the device is powered on, the display screen 3 is attached to the inside of the indicator 2 through pouring glue, the display screen 3 and the indicator 2 are fixed through the screw rod, the LED lamp beads 11 are uniformly fixed inside the display frame 12 and the signal frame 13, the light-gathering cover 4 is attached to the periphery of the display screen 3, the first fixture block 5 fixed at the rear part of the light-gathering cover 4 is plugged into the inside of the display screen 3, the second fixture block 6 rotates under the action of the extrusion of the first fixture block 5 on the first rotating shaft 7, when the first fixture block 5 slides to the bottom of the display screen 3, the second fixture block 6 rebounds to the top of the first fixture block 5 through the spring to be clamped and fixed with the first fixture block 5, the fixed rod 10 is placed inside the control rod 8 to fix the position of the second fixture block 6, when the fixation of the first fixture block 5 needs to be released, the fixed rod 10 can be taken out of the inside of the control rod, make the control lever 8 slide in the inside of display screen 3 under the effect of activity groove 9, thereby make second fixture block 6 and first fixture block 5 break away from the lock, can make the inside of indicator 2 inside all can see clearly when highlight low light after fixed finishing, compare with prior art, this device has avoided regulator output signal to the governing valve response and has moved to the assigned position consuming time longer, can't see the condition of the content of the inside demonstration of indicator 2 clearly in bright stronger and weaker place, improve the demonstration of indicator 2.

As shown in fig. 1-7: the signal isolator 16 is connected with the fixed strip 17 in a sliding mode, the number of the clamping plates 19 is two, the two clamping plates 19 are matched with the fixed plate 20, the structure effectively shows that the fixed strip 17 can penetrate through the signal isolator 16, the clamping plates 19 are turned and rotated under the action of the second rotating shaft 18, and the clamping plates 19 are rotated to the outer wall of the fixed plate 20 to be clamped and fixed.

Furthermore, in the above technical solution, the outer wall of the fixing plate 20 is bonded with a permeable adhesive, the permeable adhesive is made of non-woven fabric, and this structure effectively explains that since the fixing plate 20 is bonded to a place with a large current amount, the permeable adhesive made of non-woven fabric is firmly bonded, initially bonded, highly adhesive, and microporous permeable.

The implementation mode is specifically as follows: this device is when in actual use, when needing to carry out signal shielding, laminate fixed plate 20 mutually with electric actuator body 1's inside through ventilative gluey, laminate signal isolator 16 to fixed plate 20's outer wall, run through the inside to signal isolator 16 with fixed strip 17 again, upset under the effect of second pivot 18 rotates cardboard 19, it is fixed to make cardboard 19 rotate the outer wall to fixed plate 20 and carry out the block, thereby fix the position between signal isolator 16 and the fixed plate 20, the heat dissipation fan 15 of being connected between condenser 14 and the signal isolator 16 can dispel the heat to the air of inside, compared with the prior art, the signal isolation of electric actuator body 1 can be realized to this device, the motor operation that has alleviateed inside can produce the heat, the regulation frequency is big, easily cause the motor overheated, increase the slower problem of deceleration operation.

This practical theory of operation:

referring to the attached drawings 1-5 in the specification, when the device is used, firstly, a power supply is switched on for an electric actuator body 1 in the device, a display screen 3 is attached to the inside of an indicator 2 through glue filling, the display screen 3 and the indicator 2 are fixed through a screw rod, LED lamp beads 11 are uniformly fixed inside a display frame 12 and a signal frame 13, a light-gathering cover 4 is attached to the periphery of the display screen 3, a first fixture block 5 fixed at the rear part of the light-gathering cover 4 is plugged into the inside of the display screen 3, a second fixture block 6 rotates under the action of a first rotating shaft 7 due to the extrusion of the first fixture block 5, when the first fixture block 5 slides to the bottom of the display screen 3, the second fixture block 6 rebounds to the top of the first fixture block 5 through a spring to be clamped and fixed with the first fixture block, a fixing rod 10 is placed inside a control rod 8 to fix the position of the second fixture block 6, when the fixing of the first fixture block 5 needs to be, the fixed rod 10 can be taken out of the control rod 8, so that the control rod 8 slides in the display screen 3 under the action of the movable groove 9, the second fixture block 6 is buckled with the first fixture block 5, and the inside of the indicator 2 can be clearly seen in strong light and weak light after the fixing is finished;

referring to the attached drawings 1-7 in the specification, when the device is used and signal shielding is needed, the fixing plate 20 is attached to the inside of the electric actuator body 1 through the air permeable glue, the signal isolator 16 is attached to the outer wall of the fixing plate 20, the fixing strip 17 penetrates into the signal isolator 16, the clamping plate 19 is turned and rotated under the action of the second rotating shaft 18, the clamping plate 19 is rotated to the outer wall of the fixing plate 20 to be clamped and fixed, the position between the signal isolator 16 and the fixing plate 20 is fixed, and the heat dissipation fan 15 connected between the capacitor 14 and the signal isolator 16 can dissipate heat of air inside.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides an anti-interference digital electric actuator, includes electric actuator body (1), its characterized in that: the electric actuator is characterized in that an indicator (2) is arranged at the top of the electric actuator body (1), a display screen (3) is arranged inside the indicator (2), a snoot (4) is connected to the outer wall of the display screen (3), the display screen (3) is matched with the snoot (4), a first fixture block (5) is welded at the bottom of the snoot (4), a second fixture block (6) is connected to the outer wall of the first fixture block (5), the first fixture block (5) is connected with the second fixture block (6) in a buckling manner, a first rotating shaft (7) is hinged to the tail of the second fixture block (6), a control rod (8) is connected to the outer wall of the first rotating shaft (7), a movable groove (9) is formed in the outer wall of the control rod (8), the control rod (8) is connected with the movable groove (9) in a sliding manner, the control rod (8) is matched with the second fixture block (6), and a fixed rod (10), the control rod (8) is connected with the fixing rod (10) in a buckling manner, the LED lamp beads (11) are connected inside the display screen (3), the display frame (12) is arranged on the outer wall of the LED lamp beads (11), the LED lamp beads (11) are matched with the display frame (12), the signal frame (13) is installed outside the display frame (12), the LED lamp beads (11) are matched with the signal frame (13), the capacitor (14) is connected inside the electric actuator body (1), the heat dissipation fan (15) is connected to the outer wall of the capacitor (14), the signal isolator (16) is arranged on the outer wall of the heat dissipation fan (15), the fixing strip (17) penetrates through the inside of the signal isolator (16), the second rotating shaft (18) is connected to the outer wall of the fixing strip (17), the clamping plate (19) is hinged to the outer wall of the second rotating shaft (18), and the fixing plate (20) penetrates through the inside of the, the clamping plate (19) is buckled and connected with the fixing plate (20).

2. The tamper-resistant digital electric actuator of claim 1, wherein: the number of the first fixture blocks (5) is two, and the two first fixture blocks (5) are symmetrically arranged around the central axis of the light-gathering cover (4).

3. The tamper-resistant digital electric actuator of claim 1, wherein: the bottom of the display screen (3) is bonded with potting adhesive, and the potting adhesive is made of epoxy resin.

4. The tamper-resistant digital electric actuator of claim 3, wherein: the lead screw penetrates through the joint of the glue filling and the indicator (2), and the glue filling (12) is matched with the indicator (2).

5. The tamper-resistant digital electric actuator of claim 1, wherein: the LED lamp beads (11) are arranged in a plurality of numbers, and the LED lamp beads (11) are matched with the interiors of the display frame (12) and the signal frame (13).

6. The tamper-resistant digital electric actuator of claim 1, wherein: the number of the heat dissipation fans (15) is three, and a circuit is connected between each heat dissipation fan (15) and the corresponding capacitor (14).

7. The tamper-resistant digital electric actuator of claim 1, wherein: the signal isolator (16) is connected with the fixing strip (17) in a sliding mode, the number of the clamping plates (19) is two, and the two clamping plates (19) are matched with the fixing plate (20).

8. The tamper-resistant digital electric actuator of claim 1, wherein: the outer wall of the fixing plate (20) is bonded with breathable glue, and the breathable glue is made of non-woven fabrics.