CN214901629U - Microcomputer type resonance eliminating device - Google Patents

Abstract

The utility model discloses a microcomputer type harmonic elimination device, including the device casing to and locate display screen, signal lamp, button on the device casing, the front end of device casing is equipped with leads the slide, it is equipped with the spout on the slide to lead, the through-hole, sliding joint has the slider of leading in the spout, it is equipped with the shade on the slider to lead, it is equipped with first draw-in groove, second draw-in groove to lead to slide on the slide, it inlays the groove to have seted up on the top board of device casing, it is equipped with the heat conduction copper to inlay the inslot, be equipped with the recess on the heat conduction copper, the fin, be equipped with the heat-conducting layer in the recess. The normal operation that the staff does not touch the button and influence the microcomputer type harmonic elimination device is avoided, the whole anti-collision performance of the signal lamp and the display screen which are fragile structures is realized, the heat dissipation efficiency of heat generated by the working elements inside the microcomputer type harmonic elimination device is improved, and the service life of the working elements inside the microcomputer type harmonic elimination device is further prolonged.

Description

Microcomputer type resonance eliminating device

Technical Field

The utility model belongs to the technical field of harmonic elimination device, specifically be microcomputer type harmonic elimination device.

Background

The microcomputer resonance elimination device is a generation of intelligent resonance elimination device which is newly developed and produced on the basis of widely soliciting user opinions aiming at the vicious accidents that a voltage transformer (PT) is burnt or even exploded frequently by the power department and the user due to ferromagnetic resonance.

The power system has many iron core inductive elements, such as transformer, voltage transformer, arc suppression and parallel compensation reactor, which are mostly non-linear elements, and they form many complex oscillation loops with the system capacitance, if certain conditions are satisfied, ferromagnetic resonance overvoltage with long duration can be excited. The high overvoltage and large overcurrent generated when the ferromagnetic resonance occurs easily damage the insulation of the power equipment, and endanger the safety of operating personnel in severe cases.

The microcomputer type resonance elimination device monitors the voltage and the frequency at the three corners of the opening of the voltage transformer PT in real time, and when ferromagnetic resonance occurs, the device instantly starts a contactless resonance elimination element to generate strong damping, so that the ferromagnetic resonance is eliminated.

However, in the conventional microcomputer-type resonance elimination device, the button, the signal lamp and the display screen are all exposed, so that a worker does not touch the button to influence the normal operation of the microcomputer-type resonance elimination device, and the whole anti-collision performance of the fragile structures such as the signal lamp and the display screen is low.

In addition, the heat dissipation efficiency of the heat generated by the working element inside the microcomputer resonance elimination device is poor, and the service life of the working element inside the microcomputer resonance elimination device is further reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a microcomputer type harmonic elimination device to can appear among the solution prior art that the staff does not touch the button and influence the normal operating of microcomputer type harmonic elimination device, to the whole anticollision nature of signal lamp and these fragile structures of display screen lower, the inside working element radiating efficiency of microcomputer type harmonic elimination device is relatively poor and reduce working element's life's problem.

In order to achieve the above object, the utility model provides a following technical scheme: microcomputer type harmonic elimination device, including the device casing to and locate display screen, signal lamp, the button on the device casing, the front end of device casing is equipped with the guide slide, be equipped with spout, through-hole on the guide slide, sliding joint has the guide block in the spout, be equipped with the shade on the guide block, be equipped with first draw-in groove, second draw-in groove on the guide block, it is provided with the locating pin to slide on the guide slide, set up on the top board of device casing and inlay the groove, this novel structure that uses removes special explanation, all adopts No. forty five steel to make, and intensity is high, easy welding process.

Preferably, it is two of longitudinal symmetry to lead the slide, the locating pin passes through-hole and first draw-in groove joint, be equipped with the spring between the slide of leading of locating pin and upside, the symmetry is equipped with spacing post on the locating pin, and the spout left end is the run-through formula, and the shade and lead the slider whole slippage from leading the slide left can conveniently be washd the shade, and simultaneously, the spring can be drawn back downwards and reset, drives the locating pin and slides down along the through-hole, treats the lower extreme of spacing post and leads the slide up end after-contact, avoids the locating pin to continue to slide down, realizes spacing effect.

Preferably, the heat conducting copper plate is provided with a groove, the groove is internally provided with a heat conducting layer, the embedding groove is internally provided with a heat conducting copper plate, the heat conducting copper plate is made of brass, and the heat conducting layer is heat conducting silicone grease, so that the heat conductivity of heat generated by working elements inside the microcomputer-type resonance elimination device can be integrally improved.

Preferably, the side direction cross-section of shade is the U-shaped structure, refers to fig. 2, can guarantee that the shade covers display screen, signal lamp, button comprehensively to the shade adopts transparent PVC panel, and intensity is high, and is crashproof, and the staff can see the operating condition of display screen and signal lamp through the shade moreover.

Preferably, the one end of shade terminal surface before towards the device casing is equipped with the smooth layer, and the smooth layer is graphite rubber coating layer, has lubricated smoothness nature, and is durable, and stable bonding is fixed after the gel solidification, guarantees the smooth nature of the shade and the device casing surface of slip in-process.

Preferably, the fin is thirty rectangular sheet structures of transverse arrangement, and the fin adopts the aluminium material to make, the top of fin is not higher than inlays the groove, guarantees the radiating effect, guarantees the top planarization of device casing simultaneously, and then avoids protruding and influence the later stage installation of device casing.

Preferably, the lower extreme of heat conduction copper is located to the recess, the overlook face size of recess is not less than the whole overlook face size of fin, guarantees that the heat-conducting layer in the recess can be comprehensive effectual with heat transfer for every fin.

Preferably, the spout is trapezoidal shape structure with the slip position side direction cross-section of leading the slider, guarantees the horizontal translation of shade and slides, avoids leading the slider slippage in following the spout simultaneously, and then improves the slip direction stability of shade.

Compared with the prior art, the beneficial effects of the utility model are that:

through setting up horizontal shade joint structure at the front end of device casing, after accomplishing is set for to the microcomputer type harmonic elimination device through the button, can transversely promote the shade and wholly shelter from button, signal lamp, display screen, not only avoided the staff not to bump and touch the button and influence the normal operating of microcomputer type harmonic elimination device, realized moreover to signal lamp and display screen these fragile structure's whole anticollision nature.

Through set up on device casing top and inlay the groove, set up the heat conduction copper that has the heat-conducting layer in inlaying the inslot, transversely arrange on heat conduction copper top and set up the fin, the upward mobility of hot gas flow direction is deuterogamied, the produced heat of the inside working element of realization microcomputer type harmonic elimination device carries out heat-conduction upwards rapidly and gives out through the fin, the radiating efficiency of the produced heat of the inside working element of microcomputer type harmonic elimination device has been improved greatly, and then the life of the inside working element of microcomputer type harmonic elimination device has been improved.

Drawings

Fig. 1 is a front view of the overall structure of the present invention;

fig. 2 is a side cross-sectional view of the C-C sliding clip type shade structure of fig. 1 according to the present invention;

fig. 3 is an enlarged view of a point a in fig. 1 according to the present invention;

fig. 4 is an enlarged view of the position B in fig. 1 according to the present invention;

fig. 5 is a schematic top view of the heat dissipation structure at the top end of the device housing in fig. 1 according to the present invention.

In the figure: the device comprises a device shell 1, a display screen 11, a signal lamp 12, a button 13, a sliding seat 2, a sliding chute 21, a through hole 22, a sliding guide block 3, a first clamping groove 31, a second clamping groove 32, a shade 4, a smooth layer 41, an embedding groove 5, a heat-conducting copper plate 6, a groove 61, a heat-conducting layer 62, a heat-radiating fin 7, a positioning pin 8, a spring 81 and a limiting column 82.

Detailed Description

Referring to fig. 1, the microcomputer-type resonance elimination device includes a device housing 1, and a display screen 11, a signal lamp 12 and a button 13 which are disposed on the device housing 1, and all of the above structures are common components of the microcomputer-type resonance elimination device.

Referring to fig. 1, 2, and 3, a guide slide seat 2 is disposed at a front end of a device housing 1, a slide slot 21 and a through hole 22 are disposed on the guide slide seat 2, a guide slide block 3 is slidably engaged with the slide slot 21, a cover 4 is disposed on the guide slide block 3, a first slot 31 and a second slot 32 are disposed on the guide slide block 3, a positioning pin 8 is slidably disposed on the guide slide seat 2, the guide slide seats 2 are vertically symmetrical, the positioning pin 8 passes through the through hole 22 and is engaged with the first slot 31, a spring 81 is disposed between the positioning pin 8 and the upper guide slide seat 2, a limiting post 82 is symmetrically disposed on the positioning pin 8, a lateral cross section of the cover 4 is U-shaped, and it is ensured that the display screen 11, the signal lamp 12, and the button 13 are completely covered.

Referring to fig. 2, a smooth layer 41 is disposed on an end of the mask 4 facing the front end surface of the device housing 1 to ensure smoothness of the mask 4 and the surface of the device housing 1 during sliding.

Referring to fig. 1 and 2, the sliding portions of the sliding grooves 21 and the sliding blocks 3 have trapezoidal cross sections, so as to prevent the sliding blocks 3 from slipping from the sliding grooves 21.

Referring to fig. 1, 4 and 5, an embedding groove 5 is formed in a top end plate of the device housing 1, a heat conducting copper plate 6 is arranged in the embedding groove 5, a groove 61 and a heat radiating fin 7 are arranged on the heat conducting copper plate 6, a heat conducting layer 62 is arranged in the groove 61, the heat radiating fin 7 is of thirty strip sheet structures which are transversely arranged, the top end of the heat radiating fin 7 is not higher than the embedding groove 5, the groove 61 is arranged at the lower end of the heat conducting copper plate 6, the size of the top view surface of the groove 61 is not smaller than the size of the whole top view surface of the heat radiating fin 7, and it is ensured that the heat conducting layer 62 in the groove 61 can comprehensively transfer heat to each heat radiating fin 7.

The working principle of the scheme is as follows: after the microcomputer-type harmonic elimination device is set through the button 13, the positioning pin 8 can be pulled upwards and quit the first clamping groove 31 at the moment, the spring 81 stretches and deforms, then the shade 4 is translated leftwards, the guide sliding block 3 is driven to slide along the sliding groove 21, the positioning pin 8 is loosened until the positioning pin 8 is aligned with the second clamping groove 32, the spring 81 is pulled back downwards to reset, the positioning pin 8 is driven to be clamped into the second clamping groove 32 downwards, and then the shade 4 can be positioned;

and shade 4 has sheltered from button 13, signal lamp 12, display screen 11 wholly this moment, has not only avoided the staff not to touch button 13 and influence the normal operating of microcomputer type harmonic elimination device, moreover, has realized the whole anticollision nature to these fragile structures of signal, 12 and display screen 11.

Claims (8)

1. Microcomputer type harmonic elimination device to and locate display screen (11), signal lamp (12), button (13) on device casing (1) including device casing (1), its characterized in that: the front end of device casing (1) is equipped with leads slide (2), be equipped with spout (21), through-hole (22) on leading slide (2), slide joint has guide block (3) in spout (21), be equipped with shade (4) on guide block (3), be equipped with first draw-in groove (31), second draw-in groove (32) on guide block (3), it is provided with locating pin (8) to slide on guide slide (2), set up on the top board of device casing (1) and inlay groove (5), be equipped with heat conduction copper (6) in inlaying groove (5), be equipped with recess (61), fin (7) on heat conduction copper (6), be equipped with heat-conducting layer (62) in recess (61).

2. The microcomputer-based resonance elimination device of claim 1, wherein: lead slide (2) and be two of longitudinal symmetry, locating pin (8) pass through-hole (22) and first draw-in groove (31) joint, be equipped with spring (81) between locating pin (8) and the slide (2) of leading of upside.

3. The microcomputer-based resonance elimination device of claim 1, wherein: and limiting columns (82) are symmetrically arranged on the positioning pin (8).

4. The microcomputer-based resonance elimination device of claim 1, wherein: the lateral section of the shade (4) is of a U-shaped structure.

5. The microcomputer-based resonance elimination device of claim 1, wherein: one end of the shade (4) facing the front end face of the device shell (1) is provided with a smooth layer (41).

6. The microcomputer-based resonance elimination device of claim 1, wherein: the radiating fins (7) are thirty strip-shaped sheet structures which are transversely arranged, and the top ends of the radiating fins (7) are not higher than the embedding grooves (5).

7. The microcomputer-based resonance elimination device of claim 1, wherein: the groove (61) is formed in the lower end of the heat-conducting copper plate (6), and the size of the top view surface of the groove (61) is not smaller than that of the whole heat-radiating fin (7).

8. The microcomputer-based resonance elimination device of claim 1, wherein: the lateral sections of the sliding parts of the sliding grooves (21) and the guide sliding blocks (3) are in a trapezoidal structure.

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