Non-disturbance stability control device

Abstract

The utility model discloses a non-disturbance stable control device, which comprises a protective shell, a cavity is arranged on the inner wall of the protective shell, a shielding plate is fixedly connected to the inner wall of the cavity, a mounting frame is fixedly connected to the inner wall of the protective shell, a control device main body is mounted on the inner wall of the mounting frame, and a sealing cover is arranged on the front surface of the protective shell. Through cooperation of the protective shell, the cavity, the shielding plate, the mounting frame, the control device main body, the sealing cover, the observation port and the shielding glass, a transmission path of external electromagnetic signals can be prolonged and blocked, so that the effect of weakening the electromagnetic signals can be achieved, the anti-electromagnetic interference capability can be improved, and the service life of the control device is prolonged. According to the invention, misoperation of the device caused by on-site electromagnetic interference is effectively avoided, then the cooperation of the key hole, the pressing column, the limiting ring and the spring is utilized, so that a worker can operate and control the device main body from the outer side of the sealing cover, and the convenience in use is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to undisturbed stable control device technical field, concretely is undisturbed stable control device. BACKGROUND

[0002] At present, with more and more electronic products are used, the mutual influence is also more and more big. Like the existing TPM310 undisturbed stable control device when judging circuit breaker switching state, it adopts the scheme of judging circuit breaker normally open auxiliary contact point, since the device does not detect incoming line current, so the judgment of circuit breaker state completely depends on a pair of normally open auxiliary contact point of circuit breaker. When the contact point misoperation occurs, the device will receive an error signal, and thus make an error judgment, which may lead to misoperation, which leads to poor anti-interference performance of TPM310 undisturbed stable control device, and easily leads to misoperation of the device in the field due to external interference.

[0003] Therefore, the existing undisturbed stable control device needs to be improved to effectively prevent poor anti-interference performance and misoperation of the device in the field due to external interference. INVENTION CONTENTS

[0004] To solve the problems in the background art, the utility model aims to provide an undisturbed stable control device, which has improved electromagnetic interference resistance, effectively avoids misoperation of the device caused by electromagnetic interference in the field, and solves the problems of poor anti-interference performance and misoperation of the device in the field due to external interference.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an undisturbed stable control device, comprising a protective shell, a cavity is formed in the inner wall of the protective shell, a shielding plate is fixedly connected to the inner wall of the cavity, an installation frame is fixedly connected to the inner wall of the protective shell, a control device main body is installed in the inner wall of the installation frame, a cover is arranged on the front of the protective shell, and the cover and the protective shell are both made of shielding metal, an observation port is formed in the surface of the cover, a shielding glass is fixedly connected inside the observation port, and the shielding glass is located in front of the display screen of the control device main body, a plurality of key holes are formed in the front of the cover, and the plurality of key holes are respectively and one-to-one corresponding to the key positions of the control device main body, a pressing column is slidably connected inside the key hole, a limiting ring is fixedly connected to the surface of the pressing column, and the limiting ring is slidably connected with the key hole, a spring is sleeved on the surface of the pressing column, and the spring is located below the limiting ring.

[0006] As preferred in the utility model, threaded grooves are formed in the four corners of the front of the protective shell, insulating bolts are threadedly connected to the four corners of the front of the cover, and the insulating bolts are threadedly connected with the threaded grooves.

[0007] As the utility model is preferred, the surface of the mounting frame is provided with a plurality of annular grooves, and the plurality of annular grooves are uniformly arranged, and the inside of the annular groove is fixedly connected with an electromagnetic shielding ring.

[0008] As the utility model is preferred, the inside wall of the mounting frame is symmetrically provided with an anti-stupid slot, the control device body top and bottom are symmetrically fixedly connected with an anti-stupid strip, and the anti-stupid strip is in sliding connection with the anti-stupid slot.

[0009] As the utility model is preferred, the surface of the cover is fixedly connected with an extension frame, and the extension frame is in clamping connection with the protective shell, the inside wall of the cover is fixedly connected with a shielding frame, and the shielding frame is used in cooperation with the mounting frame.

[0010] As the utility model is preferred, the outside of the plurality of keyholes is fixedly connected with a shielding film, and the shielding film is sleeved on the outside of the pressing column.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] 1、The utility model discloses a protective shell, a cavity, a shielding plate, a mounting frame, a control device body, a cover, an observation port and shielding glass cooperate, can lengthen and block the transmission path of external electromagnetic signals, can reach the effect of weakening electromagnetic signals, can improve the anti-electromagnetic interference ability, effectively avoid the device of the scene electromagnetic interference and misoperation, then utilize the cooperation of keyhole, pressing column, limit ring and spring, the control device body is operated from the outside of the cover for staff, improve the convenience when using.

[0013] 2、The utility model discloses the setting of screw groove and insulating bolt can reinforce the installation of the cover, thereby avoiding accidental falling. ACCURACY

[0014] Figure 1 It is the structure schematic diagram of the utility model;

[0015] Figure 2 It is the protective shell three-dimensional schematic diagram after the cover of the utility model is disassembled;

[0016] Figure 3 It is the three-dimensional schematic diagram of the mounting frame and control device body cooperation of the utility model;

[0017] Figure 4 It is the three-dimensional schematic diagram of the rear view of the cover of the utility model;

[0018] Figure 5 It is the partial sectional three-dimensional schematic diagram of the cover of the utility model;

[0019] Figure 6 It is the utility model Figure 5Enlarged diagram of point A in the middle.

[0020] In the diagram: 1. Protective shell; 2. Cavity; 3. Shielding plate; 4. Mounting frame; 5. Main body of control device; 6. Cover; 7. Observation port; 8. Shielding glass; 9. Key hole; 10. Pressing post; 11. Limiting ring; 12. Spring; 13. Threaded groove; 14. Insulating bolt; 15. Annular groove; 16. Anti-electromagnetic ring; 17. Foolproof groove; 18. Foolproof strip; 19. Extension frame; 20. Shielding frame; 21. Shielding film. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] like Figures 1 to 6 As shown, the disturbance-free stable control device provided by this utility model includes a protective shell 1. A cavity 2 is formed in the inner wall of the protective shell 1. A shielding plate 3 is fixedly connected to the inner wall of the cavity 2. The shielding plate 3 is made of waveguide plate. A mounting frame 4 is fixedly connected to the inner wall of the protective shell 1. The main body of the control device 5 is mounted on the inner wall of the mounting frame 4. A cover 6 is provided on the front of the protective shell 1. Both the cover 6 and the protective shell 1 are made of shielding metal. An observation port 7 is formed on the surface of the cover 6. A shielding glass 8 is fixedly connected inside the observation port 7. The shielding glass 8 is located on the front of the display screen of the main body of the control device 5. Several button holes 9 are formed on the front of the cover 6. The button holes 9 correspond one-to-one with the button positions of the main body of the control device 5. A pressing post 10 is slidably connected inside the button hole 9. A limit ring 11 is fixedly connected to the surface of the pressing post 10. The limit ring 11 is slidably connected to the button hole 9. A spring 12 is sleeved on the surface of the pressing post 10. The spring 12 is located below the limit ring 11.

[0023] refer to Figure 1 , Figure 2 and Figure 4 The protective shell 1 has threaded grooves 13 at the four corners of its front side, and the cover 6 has insulating bolts 14 threadedly connected to the four corners of its front side, and the insulating bolts 14 are threadedly connected to the threaded grooves 13.

[0024] As a technical optimization of this utility model, the installation of the cover 6 can be reinforced by setting the threaded groove 13 and the insulating bolt 14, thereby preventing it from falling off accidentally.

[0025] refer to Figure 3The surface of the mounting frame 4 is provided with a plurality of annular grooves 15, and the plurality of annular grooves 15 are uniformly arranged, the inside of the annular groove 15 is fixedly connected with an electromagnetic resistance ring 16, and the material of the electromagnetic resistance ring 16 is a nickel-zinc ferrite magnetic ring.

[0026] As a technical optimization scheme of the utility model, through the setting of the annular groove 15 and the nickel-zinc ferrite magnetic ring material electromagnetic resistance ring 16, electromagnetic interference can be effectively suppressed, thereby the effect of resisting electromagnetic interference can be improved.

[0027] Reference Figure 2 And Figure 3 The inner wall of the mounting frame 4 is symmetrically provided with an anti-stupid groove 17, the top and bottom of the control device body 5 are symmetrically fixedly connected with an anti-stupid strip 18, and the anti-stupid strip 18 is slidably connected with the anti-stupid groove 17.

[0028] As a technical optimization scheme of the utility model, through the setting of the anti-stupid groove 17 and the anti-stupid strip 18, the error-free limiting method is used to let the operator not need to pay attention, and professional knowledge can be directly and correctly installed into the mounting frame 4.

[0029] Reference Figure 1 And Figure 4 The surface of the cover 6 is fixedly connected with an extension frame 19, and the extension frame 19 is clamped with the protective shell 1, the inner wall of the cover 6 is fixedly connected with a shielding frame 20, and the shielding frame 20 is used in cooperation with the mounting frame 4.

[0030] As a technical optimization scheme of the utility model, through the setting of the extension frame 19 and the shielding frame 20, the clamping effect and the sealing property between the protective shell 1 and the cover 6 can be improved.

[0031] Reference Figure 5 And Figure 6 The outer side of the plurality of button holes 9 is fixedly connected with a shielding film 21, and the shielding film 21 is sleeved on the outer side of the pressing column 10, and the shielding film 21 is made of conductive material and flexible material base material such as polyester.

[0032] As a technical optimization scheme of the utility model, through the setting of the shielding film 21, the current and electromagnetic wave reflection are effectively shielded, so that the effect of shielding electromagnetic interference is achieved, so that the electromagnetic can be prevented from entering the inside of the protective shell 1 through the gap between the button hole 9 and the pressing column 10.

[0033] The working principle and use process of the utility model: when using the non-disturbance stable control device, first install the protective shell 1 to the designated position, then slide the anti-stupid strip 18 on the control device main body 5 into the anti-stupid groove 17 on the installation frame 4 and cannot be moved, then the cover 6 is connected with the protective shell 1, at this time the extension frame 19 and the shielding frame 20 are connected with the protective shell 1, at this time the observation port 7 needs to be aligned with the display screen of the control device main body 5, then the insulating bolt 14 is screwed with the threaded groove 13, so that the cover 6 can be installed on the protective shell 1, that is, the installation work can be completed; when using the control device main body 5, the control device main body 5 can be operated by pressing the column 10, that is, the pressing column 10 can be translated by pressing the shielding film 21, and then the limiting ring 11 can be extruded in the key hole 9, at this time the other end of the pressing column 10 touches the key of the control device main body 5, so that the operation effect of the control device main body 5 can be realized, when the shielding film 21 is released, the reaction force of the extruded spring 12 pushes the limiting ring 11, so that the pressing column 10 is returned to the original position, at the same time, during the use of the control device main body 5, the cover 6 and the protective shell 1 made of shielding metal can reduce the electromagnetic interference generated to the outside world, the shielding metal also plays a limiting effect on the influence of the external electromagnetic field on the inside, then through the shielding plate 3 of the waveguide plate material, the transmission path of the electromagnetic signal is prolonged, so that the purpose of weakening the electromagnetic signal is achieved, then the nickel-zinc ferrite magnetic ring material electromagnetic resistance ring 16 can effectively suppress electromagnetic interference, finally through the shielding glass 8 and the shielding film 21, electromagnetic signals can be prevented from entering the inside of the protective shell 1 through the aperture of the cover 6, so that the anti-electromagnetic interference ability can be improved, and the control device main body 5 is effectively prevented from malfunctioning caused by electromagnetic interference on the spot.

[0034] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0035] Although the embodiments of the utility model have been shown and described, it should be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A disturbance-free stabilization control device, comprising a protective housing (1), characterized in that: The inner wall of the protective shell (1) has a cavity (2), and a shielding plate (3) is fixedly connected to the inner wall of the cavity (2). A mounting frame (4) is fixedly connected to the inner wall of the protective shell (1), and a control device body (5) is mounted on the inner wall of the mounting frame (4). A cover (6) is provided on the front of the protective shell (1), and both the cover (6) and the protective shell (1) are made of shielding metal. An observation port (7) is provided on the surface of the cover (6), and a shielding glass (8) is fixedly connected inside the observation port (7). Located on the front of the display screen of the main body (5) of the control device, the cover (6) has several button holes (9) on its front side, and the button holes (9) correspond one-to-one with the button positions of the main body (5) of the control device. A pressing post (10) is slidably connected inside the button hole (9). A limiting ring (11) is fixedly connected to the surface of the pressing post (10), and the limiting ring (11) is slidably connected to the button hole (9). A spring (12) is sleeved on the surface of the pressing post (10), and the spring (12) is located below the limiting ring (11).

2. The disturbance-free stable control device according to claim 1, characterized in that: The protective shell (1) has threaded grooves (13) at the four corners of its front side, and the cover (6) has insulating bolts (14) threadedly connected to the four corners of its front side, and the insulating bolts (14) are threadedly connected to the threaded grooves (13).

3. The disturbance-free stable control device according to claim 1, characterized in that: The surface of the mounting frame (4) is provided with a number of annular grooves (15), and the number of annular grooves (15) are evenly arranged. An anti-electromagnetic ring (16) is fixedly connected inside the annular grooves (15).

4. The disturbance-free stable control device according to claim 1, characterized in that: The inner wall of the mounting frame (4) is symmetrically provided with anti-foolproof grooves (17), and the top and bottom of the control device body (5) are symmetrically fixedly connected with anti-foolproof strips (18), and the anti-foolproof strips (18) are slidably connected with the anti-foolproof grooves (17).

5. The disturbance-free stable control device according to claim 1, characterized in that: An extension frame (19) is fixedly connected to the surface of the cover (6), and the extension frame (19) is snapped into the protective shell (1). A shielding frame (20) is fixedly connected to the inner wall of the cover (6), and the shielding frame (20) is used in conjunction with the mounting frame (4).

6. The disturbance-free stable control device according to claim 1, characterized in that: A shielding film (21) is fixedly connected to the outside of several of the button holes (9), and the shielding film (21) is sleeved on the outside of the pressing post (10).

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