CN112485578A

CN112485578A - Multi-environment comparison simulation detection system for network filter

Info

Publication number: CN112485578A
Application number: CN202011449581.9A
Authority: CN
Inventors: 马运强; 甘泉; 席宇迪; 张自来; 刘雨浓
Original assignee: Anhui Technical College of Mechanical and Electrical Engineering
Current assignee: Anhui Technical College of Mechanical and Electrical Engineering
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2021-03-12
Anticipated expiration: 2040-12-11
Also published as: CN112485578B

Abstract

The invention discloses a network filter multi-environment comparison simulation detection system which comprises a detection table, a signal generator, an oscilloscope and a fixing ring, wherein a telescopic groove is formed in the upper end face of the detection table, a telescopic rod is connected in the telescopic groove through a reset spring, the top end of the telescopic rod penetrates through the telescopic groove and is welded with a fixing seat, a side shaft of the fixing seat is connected with a knob in a shaft mode, one end of the knob penetrates through the fixing seat and is located inside the fixing seat, the knob is connected with a screw rod through a bevel gear transmission assembly, the screw rod is connected in a movable groove in a shaft mode, a motor is embedded in the detection table, a protection cover is fixed to a top bolt of the detection table, a protection sheet is placed in a retraction groove, and the signal generator and. The multi-environment comparison simulation detection system for the network filter can be used for fixing the network filters with different specifications in multiple directions, simulating environments with different temperatures and vibration and detecting the running quality of the network filter.

Description

Multi-environment comparison simulation detection system for network filter

Technical Field

The invention relates to the technical field of network filters, in particular to a multi-environment comparison simulation detection system of a network filter.

Background

The network filter is a current filtering device, effectively filters the frequency point of specific frequency or frequencies except the frequency point in a power line, mainly comprises a capacitor, an inductor and a resistor, and can be used only by detecting the frequency point through a detection system in the production and processing of the network filter, however, the existing detection system has the following problems in use:

the network filter detection method comprises the steps that electric elements such as a signal generator and an oscilloscope need to be used for auxiliary detection, an existing detection system is inconvenient to fix the network filter, when detection is carried out, the existence of a connecting line easily influences operation, when the line is touched by mistake, the network filter is easily pulled to cause damage, meanwhile, the network filter is in practical use and relates to different working environments, for example, the situation that vibration occurs at high temperature and installation bearing positions, and the existing detection system is inconvenient to simulate the use environment of the network filter and poor in detection effect.

Aiming at the problems, innovative design is urgently needed on the basis of the original detection system.

Disclosure of Invention

The invention aims to provide a multi-environment comparison simulation detection system for a network filter, which aims to solve the problems that the conventional detection system provided by the background art is inconvenient to fix the network filter and simulate the use environment of the network filter.

In order to achieve the purpose, the invention provides the following technical scheme: a network filter multi-environment contrast simulation detection system comprises a detection table, a signal generator, an oscilloscope and a fixing ring, wherein a telescopic groove is formed in the upper end face of the detection table, a telescopic rod is connected in the telescopic groove through a reset spring, the top end of the telescopic rod penetrates through the telescopic groove and is welded with a fixing seat, the side edge of the fixing seat is connected with a knob in a shaft mode, one end of the knob penetrates through the fixing seat and is located in the fixing seat, the knob is connected with a screw rod through a bevel gear transmission assembly, the screw rod is connected in a movable groove in a shaft mode, the movable groove is formed in the top of the fixing seat, a first clamping plate is sleeved on the screw rod in a threaded mode, a motor is embedded in the detection table, the output end of the motor is connected with a guide shaft, a cam is sleeved on the guide shaft, a protection cover is fixed to a top bolt of, and the protection casing is located the outside of fixing base, the protection piece has been placed to receive and release the inslot, and the one end of protection piece is located the constant head tank to the constant head tank is seted up in the top edge of examining test table, examine test table upper bolt fastening and be equipped with signal generator and oscilloscope, and signal generator and oscilloscope are located the both sides of protection casing, and signal generator and oscilloscope's electric wire runs through the protection casing and is located inside.

Preferably, the telescopic link passes through to constitute between reset spring and the flexible groove and laminating elastic construction, and mutually perpendicular between telescopic link and the fixing base to there are 2 telescopic links about the fixing base axial symmetry.

Preferably, there are 2 first splint about the fixed bolster axial symmetry, and laminating sliding connection between first splint and the activity groove.

Preferably, the embedded hub connection in bottom of first splint has first fluted roller, and first fluted roller is connected with the second fluted roller through the belt to the second fluted roller axle is connected in the inside at first splint top, the adjustment tank has been seted up to the inboard at first splint top, and has placed the regulating plate in the adjustment tank to the inboard of regulating plate and the bottom in activity groove all are fixed with the rack, the outside of regulating plate bonds and has the second splint, and all bonds on the bottom of second splint and the inner wall of first splint and have the cushion.

Preferably, the racks are distributed on the inner side of the adjusting plate and the bottom of the movable groove at equal intervals, and the racks are meshed with the first gear roller and the second gear roller.

Preferably, a T-shaped structure is formed between the second clamping plate and the adjusting plate, and the second clamping plate and the first clamping plate are perpendicular to each other.

Preferably, the cams are distributed on the guide shaft at equal intervals, and the distribution positions of the guide shaft correspond to the distribution positions of the fixed seat.

Preferably, the protection sheet is connected with the retraction groove in a sliding mode, the end portion of the protection sheet is clamped with the positioning groove, and a complete semi-cylindrical structure is formed between the protection sheet and the protection cover.

Preferably, the fixing ring is fixed on two sides of the top of the fixing seat through bolts, an inner groove is formed in the inner wall of the fixing ring, rubber balls are placed in the inner groove in a fit mode, and the inner groove is symmetrically provided with 4 fixing rings relative to the central axis.

Compared with the prior art, the invention has the beneficial effects that: the network filter is provided with a multi-environment comparison simulation detection system;

1. through the arranged fixed seat, a knob on the fixed seat drives a screw to rotate through a bevel gear transmission assembly, so that the two first clamping plates move relatively to clamp and fix the network filter, and meanwhile, the knob is matched with the first gear roller, a belt and a second gear roller to use;

2. constitute a complete semicircle tubular structure through the protection piece that sets up with the protection casing, make the protection piece after receive and release the inslot internal rotation, can keep protection casing internal seal, and then can cooperate the use of heater, realize the regulation of network filter outside temperature, detect the normal use condition of network filter under different temperatures, the rotation of motor drive guide shaft and cam simultaneously, through the reciprocal thrust of cam to the fixing base, cooperation fixing base bottom telescopic link and reset spring's use, realize the up-and-down activity and the vibration of fixing base, detect network filter's use quality.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic side sectional view of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is a schematic top view of the fixing base of the present invention;

FIG. 5 is a schematic top view of a cross-sectional structure of the first clamping plate of the present invention;

FIG. 6 is a schematic side sectional view of a retaining ring according to the present invention;

FIG. 7 is a perspective view of the shield of the present invention;

FIG. 8 is a schematic top view of a guide shaft according to the present invention.

In the figure: 1. a detection table; 2. a telescopic groove; 3. a return spring; 4. a telescopic rod; 5. a fixed seat; 6. a knob; 7. a bevel gear transmission assembly; 8. a screw; 9. a movable groove; 10. a first splint; 11. a first toothed roller; 12. a belt; 13. a second toothed roller; 14. an adjustment groove; 15. an adjusting plate; 16. a rack; 17. a second splint; 18. a soft cushion; 19. a motor; 20. a guide shaft; 21. a cam; 22. a protective cover; 23. a retraction slot; 24. a protective sheet; 25. positioning a groove; 26. a signal generator; 27. an oscilloscope; 28. an electric wire; 29. a fixing ring; 30. an inner tank; 31. a rubber ball; 32. a heater.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides a technical solution: a network filter multi-environment comparison simulation detection system comprises a detection platform 1, a telescopic groove 2, a reset spring 3, a telescopic rod 4, a fixed seat 5, a knob 6, a bevel gear transmission component 7, a screw rod 8, a movable groove 9, a first clamping plate 10, a first gear roller 11, a belt 12, a second gear roller 13, an adjusting groove 14, an adjusting plate 15, a rack 16, a second clamping plate 17, a cushion 18, a motor 19, a guide shaft 20, a cam 21, a protective cover 22, a retractable groove 23, a protective sheet 24, a positioning groove 25, a signal generator 26, an oscilloscope 27, an electric wire 28, a fixed ring 29, an inner groove 30, a rubber ball 31 and a heater 32, wherein the telescopic groove 2 is formed in the upper end face of the detection platform 1, the telescopic rod 4 is connected to the telescopic groove 2 through the reset spring 3, the fixed seat 5 is welded at the top end of the telescopic groove 4 through the telescopic groove 2, a rotary button 6 is connected to the side shaft of the fixed seat 5, one end of the rotary button 6, the screw rod 8 is connected in the movable groove 9 by a shaft, the movable groove 9 is arranged at the top of the fixed seat 5, and the screw 8 is sheathed with a first clamping plate 10 by screw thread, a motor 19 is embedded in the detection platform 1, the output end of the motor 19 is connected with a guide shaft 20, a cam 21 is sleeved on the guide shaft 20, a protective cover 22 is fixed on a top bolt of the detection platform 1, a retraction groove 23 is arranged on the outer side of the top of the protective cover 22, and the heater 32 is fixed on the inner wall of the protective cover 22 by bolts, the protective cover 22 is positioned outside the fixed seat 5, the protective sheet 24 is placed in the accommodating groove 23, one end of the protective sheet 24 is positioned in the positioning groove 25, and the positioning groove 25 is arranged at the top edge of the detection platform 1, the detection platform 1 is fixed with a signal generator 26 and an oscilloscope 27 by bolts, the signal generator 26 and the oscilloscope 27 are positioned at two sides of the protective cover 22, and a signal generator 26 and an electric wire 28 of an oscilloscope 27 are positioned inside through the shield 22.

The telescopic rod 4 forms a joint elastic structure through the reset spring 3 and the telescopic groove 2, the telescopic rod 4 is perpendicular to the fixed

seat

5, 2 telescopic rods 4 are axially symmetrical about the fixed seat 5, the cams 21 are equidistantly distributed on the guide shaft 20, the distribution positions of the guide shaft 20 correspond to the distribution positions of the fixed seat 5, the telescopic rod 4 is matched with the reset spring 3 to elastically stretch in the telescopic groove 2, when the motor 19 drives the guide shaft 20 and the cams 21 to rotate, the fixed seat 5 is driven by upward driving force of a gap, the fixed seat 5 can move up and down, the vibration state is simulated, and meanwhile, the 2 telescopic rods 4 keep stable support of the fixed seat 5;

the number of the first clamping plates 10 is 2 about the axis symmetry of the fixed seat 5, the first clamping plates 10 are in fit sliding connection with the movable groove 9, when the knob 6 on the outer side of the fixed seat 5 is rotated, the knob 6 drives the screw rod 8 to rotate in the movable groove 9 through the bevel gear transmission assembly 7, the 2 first clamping plates 10 can be driven to relatively slide in the movable groove 9, and the network filter is clamped and fixed from two sides;

the bottom embedded type shaft of the first clamping plate 10 is connected with a first gear roller 11, the first gear roller 11 is connected with a second gear roller 13 through a belt 12, the second gear roller 13 is connected with the inside of the top of the first clamping plate 10 in a shaft mode, an adjusting groove 14 is formed in the inner side of the top of the first clamping plate 10, an adjusting plate 15 is placed in the adjusting groove 14, racks 16 are fixed on the inner side of the adjusting plate 15 and the bottom of the movable groove 9, a second clamping plate 17 is bonded on the outer side of the adjusting plate 15, soft pads 18 are bonded on the bottom of the second clamping plate 17 and the inner wall of the first clamping plate 10, the racks 16 are distributed on the inner side of the adjusting plate 15 and the bottom of the movable groove 9 at equal intervals, the racks 16 are meshed with the first gear roller 11 and the second gear roller 13, a T-shaped structure is formed between the second clamping plate 17 and the adjusting plate 15, the second clamping plate 17 and the first clamping plate 10 are perpendicular to each other, when the first clamping plate, the rack 16 in the movable groove 9 drives the first gear roller 11 to rotate, the first gear roller 11 can drive the second gear roller 13 to rotate through the belt 12, meanwhile, the second gear roller 13 is in contact with the rack 16 on the adjusting plate 15 to drive the adjusting plate 15 to slide in the adjusting groove 14, so that when the first clamping plate 10 moves inwards, the adjusting plate 15 can drive the second clamping plate 17 to move downwards synchronously, and then the second clamping plate 17 can be matched with the first clamping plate 10 to fix the network filter in multiple directions, so that the fixing efficiency is improved, and the position of the network filter is prevented from being separated when the network filter vibrates vertically by matching with the use of the soft cushion 18;

the protection sheet 24 is in sliding connection with the folding and unfolding groove 23, the end part of the protection sheet 24 is clamped with the positioning groove 25, the protection sheet 24 and the protective cover 22 form a complete semi-cylindrical structure, the protection sheet 24 slides in the folding and unfolding groove 23, the protective cover 22 is opened and closed, the network filter is convenient to place and take, and meanwhile, the network filter is convenient to be matched with the heater 32 for use, and high-temperature detection is carried out on the network filter;

the fixing rings 29 are fixed on two sides of the top of the fixing base 5 through bolts, inner grooves 30 are formed in the inner walls of the fixing rings 29, rubber balls 31 are placed in the inner grooves 30 in a fitting mode, the inner grooves 30 are symmetrically provided with 4 pieces about the central axis of the fixing rings 29, when the electric wire 28 is inserted into the fixing rings 29 and connected with the network filter, the rubber balls 31 rotate in the inner grooves 30 under the stress, the electric wire 28 can be fixed through matching of the rubber balls 31 and the flexibility of the electric wire 28, and damage or poor contact caused by pulling of the electric wire 28 in operation are avoided.

The working principle is as follows: when the network filter multi-environment contrast simulation detection system is used, as shown in fig. 1-7, firstly, a protection sheet 24 slides into a retraction groove 23 on a protection cover 22, the external space of the protection cover 22 is exposed, the network filter is placed on a fixed seat 5, a knob 6 on the outer side of the fixed seat 5 is rotated, the knob 6 drives a screw 8 to rotate in a movable groove 9 through a bevel gear transmission component 7, 2 first clamping plates 10 can be driven to slide relatively in the movable groove 9, the network filter is clamped and fixed from two sides, simultaneously, a rack 16 in the movable groove 9 drives a first gear roller 11 to rotate, the first gear roller 11 can drive a second gear roller 13 to rotate through a belt 12, simultaneously, the second gear roller 13 is contacted with the rack 16 on an adjusting plate 15, the adjusting plate 15 is driven to slide in an adjusting groove 14, when the first clamping plate 10 moves inwards, the adjusting plate 15 can drive the second clamping plate 17 to move downwards synchronously, the second clamping plate 17 is matched with the first clamping plate 10 to fix the network filter in multiple directions, the fixing efficiency is improved, the soft cushion 18 is matched with the use of the soft cushion to prevent the soft cushion from being separated in position when vibrating up and down, then the signal generator 26 and the electric wire 28 on the oscilloscope 27 are inserted into the protective cover 22 and the fixing ring 29, the rubber ball 31 is stressed to rotate in the inner groove 30, the electric wire 28 can be fixed by matching with the flexibility of the rubber ball 31 and the electric wire 28, one end of the electric wire 28 is connected with the network filter, then the protective sheet 24 is pulled out of the accommodating groove 23, so that the end part of the protective sheet 24 is clamped into the positioning groove 25, and the sealing of the protective cover 22 is realized;

next, as shown in fig. 1-2 and fig. 8, the heater 32 in the protection hood 22 is started to heat the interior of the protection hood 22, the heating effect of the heater 32 is controlled to make the temperatures in 2 protection hoods 22 inconsistent, so as to facilitate a comparison test, then a sinusoidal alternating current is input through the signal generator 26, the current reaches the oscilloscope 27 through the network filter, the voltage ratio of the direct current component and the alternating current component in the current is observed through the oscilloscope 27, if the ratio is smaller, the network filter is abnormal, if the ratio is larger, the network filter is normally used, and at the same time, the motor 19 can be started, the motor 19 drives the guide shaft 20 and the cam 21 to rotate, so that the fixing seat 5 is subjected to the upward driving force of the gap, the telescopic rod 4 is matched with the reset spring 3 to elastically stretch in the telescopic groove 2, the fixing seat 5 can move up and down, whether the running condition of the network filter is qualified or not is detected by observing the condition of the oscilloscope 27, and the network filters of different models can be arranged on the 2 fixed seats 5, so that the effect of the network filter is better under the same temperature and the same vibration amplitude.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a many environment contrast simulation detecting system of network filter, is including examining test table (1), signal generator (26), oscilloscope (27) and solid fixed ring (29), its characterized in that: the upper end face of the detection table (1) is provided with a telescopic groove (2), the telescopic groove (2) is internally connected with a telescopic rod (4) through a reset spring (3), the top end of the telescopic rod (4) penetrates through the telescopic groove (2) and is welded with a fixed seat (5), the side shaft of the fixed seat (5) is connected with a knob (6), one end of the knob (6) penetrates through the fixed seat (5) and is positioned inside the fixed seat (5) and is connected with a screw rod (8) through a bevel gear transmission assembly (7), the screw rod (8) is connected in a movable groove (9) in a shaft mode, the movable groove (9) is arranged at the top of the fixed seat (5), a first clamping plate (10) is sleeved on the screw rod (8) in a threaded mode, a motor (19) is installed in the detection table (1) in an embedded mode, the output end of the motor (19) is connected with, the protection cover (22) is fixed on a top bolt of the detection table (1), a storage groove (23) is formed in the outer side of the top of the protection cover (22), a heater (32) is fixed on the inner wall of the protection cover (22) through a bolt, the protection cover (22) is located on the outer side of the fixing base (5), a protection sheet (24) is placed in the storage groove (23), one end of the protection sheet (24) is located in the positioning groove (25), the positioning groove (25) is formed in the edge of the top of the detection table (1), a signal generator (26) and an oscilloscope (27) are fixed on the detection table (1) through a bolt, the signal generator (26) and the oscilloscope (27) are located on two sides of the protection cover (22), and electric wires (28) of the signal generator (26) and the oscilloscope (27) penetrate through the protection cover (22) and are located inside the protection.

2. The network filter multi-environment contrast analog detection system according to claim 1, characterized in that: telescopic link (4) pass through between reset spring (3) and flexible groove (2) constitute laminating elastic construction, and mutually perpendicular between telescopic link (4) and fixing base (5) to telescopic link (4) have 2 about fixing base (5) axisymmetric.

3. The network filter multi-environment contrast analog detection system according to claim 1, characterized in that: first splint (10) have 2 about fixing base (5) axial symmetry, and laminating sliding connection between first splint (10) and activity groove (9).

4. The network filter multi-environment contrast analog detection system according to claim 1, characterized in that: the embedded hub connection in bottom of first splint (10) has first fluted roller (11), and first fluted roller (11) are connected with second fluted roller (13) through belt (12), and second fluted roller (13) hub connection is in the inside at first splint (10) top, adjustment tank (14) have been seted up to the inboard at first splint (10) top, and have placed regulating plate (15) in adjustment tank (14), and the inboard of regulating plate (15) and the bottom of activity groove (9) all are fixed with rack (16), the outside of regulating plate (15) bonds and has second splint (17), and all bonds and have cushion (18) on the bottom of second splint (17) and the inner wall of first splint (10).

5. The network filter multi-environment contrast analog detection system according to claim 4, wherein: the racks (16) are distributed on the inner side of the adjusting plate (15) and the bottom of the movable groove (9) at equal intervals, and the racks (16) are meshed with the first toothed roller (11) and the second toothed roller (13) mutually.

6. The network filter multi-environment contrast analog detection system according to claim 4, wherein: a T-shaped structure is formed between the second clamping plate (17) and the adjusting plate (15), and the second clamping plate (17) and the first clamping plate (10) are perpendicular to each other.

7. The network filter multi-environment contrast analog detection system according to claim 1, characterized in that: the cams (21) are distributed on the guide shaft (20) at equal intervals, and the distribution positions of the guide shaft (20) correspond to the distribution positions of the fixed seat (5).

8. The network filter multi-environment contrast analog detection system according to claim 1, characterized in that: the protection sheet (24) is connected with the storage groove (23) in a sliding mode, the end portion of the protection sheet (24) is clamped with the positioning groove (25) mutually, and a complete semi-cylindrical structure is formed between the protection sheet (24) and the protection cover (22).

9. The network filter multi-environment contrast analog detection system according to claim 1, characterized in that: the fixing rings (29) are fixed on two sides of the top of the fixing seat (5) through bolts, inner grooves (30) are formed in the inner walls of the fixing rings (29), rubber balls (31) are placed in the inner grooves (30) in a fit mode, and the number of the inner grooves (30) is 4 about the central axis of the fixing rings (29).