CN218959265U

CN218959265U - PID controller with protection function

Info

Publication number: CN218959265U
Application number: CN202222992781.XU
Authority: CN
Inventors: 胡敏; 钟常有; 于成强
Original assignee: Lingheng Semiconductor Equipment Suzhou Co ltd
Current assignee: Lingheng Semiconductor Equipment Suzhou Co ltd
Priority date: 2022-11-10
Filing date: 2022-11-10
Publication date: 2023-05-02
Anticipated expiration: 2032-11-10

Abstract

The utility model relates to the technical field of PID controllers, and discloses a PID controller with a protection function, which comprises a PID controller main body and a protection mechanism, wherein the protection mechanism comprises an isolation protecting cover, the upper part of the isolation protecting cover is provided with a protection notch, two sliding clamping blocks with the number equal to two are fixedly arranged on two sides of the inside of the protection notch, the sliding clamping blocks are in sliding clamping connection with the inner sides of the sliding clamping grooves, the isolation protecting cover is connected with the upper part of the PID controller main body in a sliding manner through the sliding clamping blocks, the PID controller is provided with the protection mechanism on the upper part of the PID controller main body, and the protection mechanism is used for shielding a wiring seat on the rear part of the PID controller main body by utilizing the isolation protecting cover with the sliding structure, so that the occurrence of electric shock accidents caused by the fault touch of operators when the PID controller is used can be avoided, the isolation protecting cover is made of insulating high-temperature resistant materials, and the occurrence of wave and side power supply lines can be avoided when the circuit is in short circuit and the fire.

Description

PID controller with protection function

Technical Field

The utility model relates to the technical field of PID controllers, in particular to a PID controller with a protection function.

Background

The PID controller is also called as PID regulator, is a common feedback loop component in industrial control application, in process control, it can control according to proportion (P), integral (I) and derivative (D) of deviation, play system adjustment and stable effect, it generally includes signal input part, signal output part and PID arithmetic unit, it is usually used for the temperature control of equipment, in the block terminal, it is usually provided with the PID controller that is used for controlling heat dissipation and temperature monitoring in the case, in order to guarantee the normal work of block terminal, the rear side of PID controller is provided with the wiring seat that is used for connecting the circuit, the wiring seat of current PID controller is mostly naked setting, lack protective structure, electric shock accident is easily caused because of the mistake touch when the maintenance operation is operated to the electric box, and if the wiring on wiring seat upper portion takes place to strike sparks because of the short circuit, the power wiring of very easy to be influenced the side, can lead to the serious damage of circuit in the electric box, there is certain potential safety hazard.

Disclosure of Invention

The utility model aims to provide a PID controller with a protection function, which solves the problems that most of wiring holders of the existing PID controller provided in the background art are exposed, a protection structure is lacking, electric shock accidents caused by error touch are easy to occur when an electric box operation maintainer is in maintenance operation, and if wiring at the upper part of the wiring holders is ignited due to short circuit, the wiring of a power supply at the side is easy to be influenced, serious damage to a circuit in an electric box is caused, and a certain potential safety hazard exists.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the PID controller with the protection function comprises a PID controller main body and a protection mechanism, wherein the protection mechanism is arranged on the outer side of the PID controller main body, two sliding clamping grooves are formed in two sides of the PID controller main body, and the protection mechanism is connected to the inner sides of the sliding clamping grooves;

the protection machanism is including isolated protecting cover, the protection notch has been seted up on the upper portion of isolated protecting cover, the inside both sides of protection notch are all fixed to be provided with the fixture block that slides that is two in quantity, the fixture block slip joint in the inboard of the draw-in groove that slides, isolated protecting cover passes through fixture block sliding connection in the upper portion of PID controller main part that slides.

Preferably, a top limiting plate is fixedly connected to one side of the top of the PID controller main body, second magnetic blocks are uniformly arranged on the rear side of the top limiting plate, and four second magnetic blocks are fixedly embedded into the rear side of the top limiting plate in an equidistant mode.

Preferably, a fourth magnetic block corresponding to the second magnetic block is arranged on the upper portion of the isolation protecting cover and one side, connected with the top limiting plate, of the top limiting plate, the fourth magnetic block is adsorbed on the surface of the second magnetic block through magnetic force, and the isolation protecting cover is adsorbed on one side of the top limiting plate through the fourth magnetic block.

Preferably, the rear sides of the sliding clamping blocks are respectively provided with a third magnetic block, the third magnetic blocks are fixedly connected to the rear sides of the sliding clamping blocks, the inner sides of the sliding clamping grooves are fixedly connected with first magnetic blocks matched with the third magnetic blocks, and the third magnetic blocks are adsorbed on the surfaces of the first magnetic blocks through magnetic force.

Preferably, the top of the PID controller main body is provided with mounting notches at the rear side of the top limiting plate, the two mounting notches are symmetrically distributed at the top of the PID controller main body, the front side of the PID controller main body is provided with a display screen, one side of the front side of the PID controller main body, which is located at the display screen, is provided with an operation button, and the right side of the front side of the PID controller main body, which is located at the operation button, is provided with a working indicator.

Preferably, a wire holder is fixedly arranged at the rear side of the PID controller main body, wire grooves are uniformly formed in the upper portion of the wire holder, and wire screws are connected with the inner sides of the wire grooves in a threaded manner.

Compared with the prior art, the technical scheme provided by the utility model has the following technical effects:

this PID controller is provided with protection machanism in the upper portion of PID controller main part, but utilize the isolation protecting cover of slippage structure to shield the protection to the connection terminal at PID controller main part rear portion, can avoid the PID controller when using, because of the emergence of the electric shock accident that operator's mistake touched and arouse, and the isolation protecting cover is insulating high temperature resistant material, shield the protection to the top and the side of connection terminal, can avoid its power supply line of sweep the side when striking sparks in the circuit short circuit, compare in current like PID controller, this device has stronger safety protection nature.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the left front side structure of the PID controller body according to the present utility model;

FIG. 3 is a schematic diagram of the right front side structure of the PID controller body according to the present utility model;

FIG. 4 is a schematic diagram of the rear structure of the PID controller body according to the present utility model;

FIG. 5 is a schematic view of the front side structure of the insulating cover of the present utility model;

FIG. 6 is a schematic view of the rear side structure of the insulating cover of the present utility model.

Reference numerals illustrate: 1. a PID controller body; 2. a protective mechanism; 3. a display screen; 4. operating a button; 5. a work indicator light; 6. a mounting notch; 7. a slip clamping groove; 8. a first magnetic block; 9. a wire holder; 10. a top limit plate; 11. a second magnetic block; 12. wiring grooves; 13. a binding screw; 14. an insulating protective cover; 15. a protective notch; 16. a sliding clamping block; 17. a third magnetic block; 18. and a fourth magnetic block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-6, the present utility model provides a technical solution: the utility model provides a PID controller with safeguard function, including PID controller main part 1 and protection machanism 2, PID controller main part 1's front side is provided with display screen 3, can show PV and SV information on it, the convenient control operation, PID controller main part 1's front side is located one side of display screen 3 and is provided with operating button 4, can adjust the operating parameter of setting for the device through operating button 4, PID controller main part 1's front side is located operating button 4's right side and is provided with work pilot lamp 5, PID controller main part 1's rear side is fixed to be provided with wiring seat 9, wiring groove 12 has evenly been seted up on the upper portion of wiring seat 9, wiring screw 13 is connected with to the inboard screw of wiring groove 12, the wiring mode adopts the clamp plate, installation and dismantlement are convenient quick, wherein PID controller main part 1 is the improved generation with the PID controller of model LH-PR200, main function electronic component is the same with LH-PR200, it is current mature technical equipment, the model can be looked up, its internal structure will not be described again here.

The protection machanism 2 sets up in the outside of PID controller main part 1, protection machanism 2 includes isolated protecting cover 14, isolated protecting cover 14's material is insulating high temperature resistant plastics, isolated protecting cover 14's upper portion has been seted up protection notch 15, the inside both sides of protection notch 15 are all fixed and are provided with the fixture block 16 that slides that quantity is two, the fixture block 7 that slides that quantity is two has all been seted up to the both sides of PID controller main part 1, the inboard in the fixture block 7 that slides, isolated protecting cover 14 passes through fixture block 16 sliding connection in the upper portion of PID controller main part 1, utilize the isolated protecting cover 14 of slidable structure to shield the connection terminal 9 at PID controller main part 1 rear portion, can avoid PID controller main part 1 when using, because of the emergence of the electric shock accident that operator's error touch causes.

The top side fixedly connected with top limiting plate 10 of PID controller main part 1, the rear side of top limiting plate 10 evenly is provided with second magnetic path 11, four second magnetic paths 11 are the fixed rear side of embedding in top limiting plate 10 of equidistance form, the upper portion of isolated protecting cover 14 is provided with the fourth magnetic path 18 corresponding with second magnetic path 11 position with the meeting one side of top limiting plate 10, fourth magnetic path 18 adsorbs in the surface of second magnetic path 11 through magnetic force, fourth magnetic path 18 and second magnetic path 11 are cylindric magnet, isolated protecting cover 14 adsorbs in one side of top limiting plate 10 through fourth magnetic path 18, when carrying out wiring operation, promote isolated protecting cover 14 to one side, make isolated protecting cover 14 adsorb the side of being fixed in top limiting plate 10 through fourth magnetic path 18, make wiring seat 9 expose convenient wiring operation.

The rear side of the slip fixture block 16 all is provided with third magnetic path 17, third magnetic path 17 fixed connection is in the rear side of the slip fixture block 16, the inboard fixedly connected with of slip draw-in groove 7 and the first magnetic path 8 of third magnetic path 17 looks adaptation, third magnetic path 17 adsorbs in the surface of first magnetic path 8 through magnetic force, adsorption effect through first magnetic path 8 and third magnetic path 17 is spacing fixed with isolated protecting cover 14, installation notch 6 has been seted up to the rear side that the top of PID controller main part 1 is located top limiting plate 10, two installation notches 6 are the symmetry form and distribute in the top of PID controller main part 1, installation notch 6 is the inclined plane notch, through the slip guide effect of installation notch 6, can conveniently isolate the installation of protecting cover 14, the magnetic path magnetic force that uses in this application is all lower, can satisfy the adsorption fixation between the structure, but can not cause the influence to the component work in the device.

The device is installed in the inboard of electric box during theory of operation or structure principle, when carrying out wiring operation, promote isolated protecting cover 14 to one side, make isolated protecting cover 14 adsorb the side that is fixed in top limiting plate 10 through fourth magnetic path 18, make connection terminal 9 expose and make things convenient for wiring operation, connect control wiring behind the upper portion of connection terminal 9, reverse promotion isolated protecting cover 14 is spacing fixed through the adsorption between first magnetic path 8 and third magnetic path 17, make isolated protecting cover 14 shelter from in the upper portion of connection terminal 9, carry out isolated protection to it.

In summary, the isolation protecting cover 14 with the slidable structure is utilized to shield and protect the wire holder 9 at the rear part of the PID controller main body 1, so that the occurrence of electric shock accidents caused by the touch of operators due to errors can be avoided when the PID controller main body 1 is used, the isolation protecting cover 14 is made of insulating high-temperature-resistant materials, the top and the side surfaces of the wire holder 9 are shielded and protected, and the power supply circuit of the wire holder 9 on the side surfaces can be avoided when the wire is in short circuit and ignition.

Thus, embodiments of the present utility model have been described in detail with reference to the accompanying drawings. It should be noted that, in the drawings or the text of the specification, implementations not shown or described are all forms known to those of ordinary skill in the art, and not described in detail. Furthermore, the above definitions of the components are not limited to the specific structures, shapes or modes mentioned in the embodiments, and may be simply modified or replaced by those of ordinary skill in the art.

The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the utility model thereto, but to limit the utility model thereto, and any modifications, equivalents, improvements and equivalents thereof may be made without departing from the spirit and principles of the utility model.

Claims

1. The utility model provides a PID controller with safeguard function, includes PID controller main part (1) and protection machanism (2), its characterized in that: the protection mechanism (2) is arranged at the outer side of the PID controller main body (1), two sliding clamping grooves (7) are formed in two sides of the PID controller main body (1), and the protection mechanism (2) is connected to the inner sides of the sliding clamping grooves (7);

the protection mechanism (2) comprises an isolation protecting cover (14), a protection notch (15) is formed in the upper portion of the isolation protecting cover (14), two sliding clamping blocks (16) are fixedly arranged on two sides of the inside of the protection notch (15), the sliding clamping blocks (16) are connected with the inner side of the sliding clamping groove (7) in a sliding clamping mode, and the isolation protecting cover (14) is connected with the upper portion of the PID controller main body (1) in a sliding mode through the sliding clamping blocks (16).

2. A PID controller with protection as claimed in claim 1, characterized in that: the PID controller is characterized in that a top limiting plate (10) is fixedly connected to one side of the top of the PID controller main body (1), second magnetic blocks (11) are uniformly arranged on the rear side of the top limiting plate (10), and the four second magnetic blocks (11) are fixedly embedded in the rear side of the top limiting plate (10) in an equidistant mode.

3. A PID controller with protection function according to claim 2, characterized in that: the upper portion of the isolation protecting cover (14) and one side that meets of the top limiting plate (10) are provided with fourth magnetic blocks (18) corresponding to the positions of the second magnetic blocks (11), the fourth magnetic blocks (18) are adsorbed on the surfaces of the second magnetic blocks (11) through magnetic force, and the isolation protecting cover (14) is adsorbed on one side of the top limiting plate (10) through the fourth magnetic blocks (18).

4. A PID controller with protection function according to claim 3, characterized in that: the rear side of the sliding clamping block (16) is provided with a third magnetic block (17), the third magnetic block (17) is fixedly connected to the rear side of the sliding clamping block (16), the inner side of the sliding clamping groove (7) is fixedly connected with a first magnetic block (8) matched with the third magnetic block (17), and the third magnetic block (17) is adsorbed on the surface of the first magnetic block (8) through magnetic force.

5. A PID controller with protection as claimed in claim 1, characterized in that: the utility model discloses a PID controller, including PID controller main part (1), operating button (4) are provided with in the front side of PID controller main part (1), installation notch (6) have been seted up at the rear side that top limiting plate (10) is located at the top of PID controller main part (1), and two installation notches (6) are the symmetry form and distribute in the top of PID controller main part (1), the front side of PID controller main part (1) is provided with display screen (3), the front side of PID controller main part (1) is located one side of display screen (3) and is provided with operating button (4), the front side of PID controller main part (1) is located the right side of operating button (4) and is provided with work pilot lamp (5).

6. The PID controller with protection function according to claim 5, characterized in that: the PID controller is characterized in that a wire holder (9) is fixedly arranged on the rear side of the PID controller main body (1), wire connecting grooves (12) are uniformly formed in the upper portion of the wire holder (9), and wire connecting screws (13) are connected to the inner sides of the wire connecting grooves (12) in a threaded mode.