CN214539754U

CN214539754U - Multi-channel digital oscilloscope bandwidth adjusting device

Info

Publication number: CN214539754U
Application number: CN202120033002.6U
Authority: CN
Inventors: 贝创涛; 郑灿杰
Original assignee: Shenzhen Fnirsi Technology Co ltd
Current assignee: Shenzhen Fnirsi Technology Co ltd
Priority date: 2021-01-07
Filing date: 2021-01-07
Publication date: 2021-10-29
Anticipated expiration: 2031-01-07

Abstract

The utility model discloses a multichannel digital oscilloscope bandwidth adjusting device, including digital oscilloscope main part, the louvre has been seted up at digital oscilloscope main part top, digital oscilloscope main part top fixedly connected with fixed plate, the inside fixedly connected with heating panel of fixed plate, the inside through hole of having seted up of heating panel, the rectangle recess has been seted up to fixed plate top one end, bottom fixedly connected with motor in the rectangle recess, motor drive shaft fixedly connected with center pin. The utility model discloses in be provided with motor and central axle, the device passes through the motor and drives the central axle and rotate to drive first dust guard and second dust guard and rotate, improved near oscilloscope louvre's air flow rate, strengthened oscilloscope's heat-sinking capability, when the user utilizes oscilloscope to adjust the bandwidth, reduced oscilloscope internal element's temperature, thereby protected oscilloscope, the device flexibility is stronger, and low in manufacturing cost, the better use of the user of being convenient for.

Description

Multi-channel digital oscilloscope bandwidth adjusting device

Technical Field

The utility model relates to a digital oscilloscope auxiliary assembly technical field especially relates to multichannel digital oscilloscope bandwidth adjusting device.

Background

The digital oscilloscope is a high-performance oscilloscope manufactured by a series of technologies such as data acquisition, A/D conversion, software programming and the like. Digital oscilloscopes typically support multi-level menus, which provide the user with a variety of options and analysis functions. Still other oscilloscopes provide storage for storing and processing waveforms. At present, the high-end digital oscilloscope mainly depends on the American technology, and for oscilloscopes within the bandwidth of 300MHz, the oscilloscopes of domestic brands can compete with foreign brands in performance, and the high-end digital oscilloscope has obvious cost performance advantage.

When a user uses the portable multi-channel digital oscilloscope, the oscilloscope is placed on the workbench, and the bottom of the oscilloscope is collided by the table top, so that the internal elements of the oscilloscope vibrate, the time is long, and the loosening of the bandwidth adjusting device in the oscilloscope is easily caused, thereby reducing the adjusting accuracy of the bandwidth and being not beneficial to better use of the user. Meanwhile, when the oscilloscope works, a large amount of heat can be generated, and the heat dissipation part of the conventional oscilloscope is arranged at the top of the oscilloscope, so that dust easily enters the oscilloscope from the heat dissipation hole of the oscilloscope, and the heat dissipation of the oscilloscope is not facilitated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a bandwidth adjusting device of a multi-channel digital oscilloscope.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the bandwidth adjusting device of the multichannel digital oscilloscope comprises a digital oscilloscope main body, wherein the top of the digital oscilloscope main body is provided with a heat dissipation hole, the top of the digital oscilloscope main body is fixedly connected with a fixed plate, the inside of the fixed plate is fixedly connected with a heat dissipation plate, the inside of the heat dissipation plate is provided with a through hole, one end of the top of the fixed plate is provided with a rectangular groove, the bottom of the rectangular groove is fixedly connected with a motor, a motor driving shaft is fixedly connected with a central shaft, the central shaft penetrates through the through hole and is rotatably connected with the inner wall of the central shaft, the outer wall of the central shaft is fixedly connected with a first dust guard and a second dust guard, the top of the rectangular groove is provided with a maintenance plate, one end of the outer wall of the maintenance plate, which is far away from the central shaft, is provided with a limit box, the top of the limit box is fixedly connected with an anti-slip block, one end of the top of the maintenance plate, which is far away from the limit box, is in threaded connection with a bolt, the digital oscilloscope is characterized in that sleeves are fixedly connected to two ends of the bottom of the digital oscilloscope main body, a movable column is connected to the inner wall of each sleeve in a sliding mode, a shock absorption block is fixedly connected to the bottom of each movable column, and a spring is fixedly connected between each shock absorption block and each sleeve.

As a further description of the above technical solution:

the through holes and the heat dissipation holes are identical in size and correspond to each other one by one.

As a further description of the above technical solution:

the maintenance plate is characterized in that the outer side wall of the maintenance plate is in sliding connection with the inner wall of the limiting box, the top of the maintenance plate is attached to the anti-skid block, and the bottom of the maintenance plate is attached to the top of the fixing plate.

As a further description of the above technical solution:

the non-slip block section is trapezoidal setting, the non-slip block is the rubber material.

As a further description of the above technical solution:

first dust guard and second dust guard are the symmetry setting about the center pin, first dust guard and second dust guard all are located inside the through hole, first dust guard and second dust guard lateral wall all with the smooth laminating of through hole inside wall.

As a further description of the above technical solution:

the bolt penetrates through the maintenance plate and is in threaded connection with the fixing plate.

As a further description of the above technical solution:

the damping block is made of plastic, the section of the damping block is arc-shaped, and the tops of two ends of the damping block are both connected with the bottom of the digital oscilloscope main body in a sliding mode.

The utility model discloses following beneficial effect has:

1. the utility model discloses multichannel digital oscilloscope bandwidth adjusting device is provided with motor and central axle, the device passes through the motor and drives the central axle and rotate, thereby drive first dust guard and second dust guard and rotate, air flow rate near digital oscilloscope top louvre has been improved greatly, oscilloscope's heat-sinking capability has been strengthened, when the user utilizes oscilloscope to adjust the bandwidth, oscilloscope's internal component's temperature has been reduced to a certain extent, thereby oscilloscope has been protected, the device simple structure, the flexibility is stronger, and low in manufacturing cost, the better use of the user of being convenient for.

2. The utility model discloses multichannel digital oscilloscope bandwidth adjusting device is provided with bradyseism piece and spring, and when oscilloscope landed, the bradyseism piece contacted ground at first, takes place deformation and compress inside spring, great weakening the impact force that the oscilloscope bottom received, reduced the vibration to protect oscilloscope's internal component, prevent to lead to its internal component to become flexible because of the vibration.

Drawings

Fig. 1 is a front cross-sectional view of the bandwidth adjusting device of the multi-channel digital oscilloscope proposed by the present invention;

fig. 2 is a top view of the bandwidth adjusting device of the multi-channel digital oscilloscope proposed by the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 1;

FIG. 4 is an enlarged view at B of FIG. 1;

fig. 5 is the utility model provides a multichannel digital oscilloscope bandwidth adjusting device's bradyseism block schematic diagram.

Illustration of the drawings:

1. a digital oscilloscope main body; 2. heat dissipation holes; 3. a fixing plate; 4. a heat dissipation plate; 5. a through hole; 6. a rectangular groove; 7. a motor; 8. a central shaft; 9. maintaining the plate; 10. a limiting box; 11. anti-skid blocks; 12. a first dust-proof plate; 13. a second dust-proof plate; 14. a bolt; 15. a sleeve; 16. a movable post; 17. a shock absorption block; 18. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention provides an embodiment: a bandwidth adjusting device of a multichannel digital oscilloscope comprises a digital oscilloscope main body 1, wherein the top of the digital oscilloscope main body 1 is provided with a heat dissipation hole 2, the top of the digital oscilloscope main body 1 is fixedly connected with a fixing plate 3, the inside of the fixing plate 3 is fixedly connected with a heat dissipation plate 4, the inside of the heat dissipation plate 4 is provided with a through hole 5, one end of the top of the fixing plate 3 is provided with a rectangular groove 6, the bottom of the rectangular groove 6 is fixedly connected with a motor 7, a driving shaft of the motor 7 is fixedly connected with a central shaft 8, the central shaft 8 penetrates through the through hole 5 and is rotatably connected with the inner wall of the central shaft, the outer wall of the central shaft 8 is fixedly connected with a first dust guard 12 and a second dust guard 13, the top of the rectangular groove 6 is provided with a maintenance plate 9, one end of the outer wall of the maintenance plate 9, which is far away from the central shaft 8, is provided with a limiting box 10, the top of the limiting box 10 is fixedly connected with an anti-slip block 11, and one end of the top of the maintenance plate 9, which is far away from the limiting box 10, is connected with a bolt 14, the digital oscilloscope main body 1 is characterized in that two ends of the bottom of the digital oscilloscope main body are fixedly connected with sleeves 15, the inner wall of each sleeve 15 is connected with a movable column 16 in a sliding mode, the bottoms of the movable columns 16 are fixedly connected with shock absorption blocks 17, and springs 18 are fixedly connected between the shock absorption blocks 17 and the sleeves 15 together. The device drives the first dust guard 12 and the second dust guard 13 to rotate through the motor 7, improves the air flow speed near the top heat dissipation hole 2 of the digital oscilloscope, improves the heat dissipation capacity of the oscilloscope, and reduces the temperature of internal elements of the oscilloscope to a certain extent when a user utilizes the oscilloscope to adjust the bandwidth, thereby protecting the oscilloscope.

The through holes 5 are the same as the heat dissipation holes 2 in size and correspond to the heat dissipation holes one by one, so that the first dust guard plate 12 and the second dust guard plate 13 in each group can block dust outside in an idle state, and the accumulation of dust inside the oscilloscope is reduced. Maintenance board 9 lateral wall and spacing box 10 inner wall sliding connection, maintenance board 9 top and the laminating of non slipping spur 11, the laminating of maintenance board 9 bottom and 3 tops of fixed plate, the 11 sections of non slipping spur are trapezoidal setting, non slipping spur 11 is the rubber material, when motor 7 breaks down, the user only needs to unscrew bolt 14, slide maintenance board 9 in spacing box 10, owing to receive the frictional force of non slipping spur 11, make maintenance board 9 can fix the inside at spacing box 10, the user of being convenient for maintains motor 7, the user of being convenient for maintains the device. First dust guard 12 and second dust guard 13 are the symmetry setting about center pin 8, and first dust guard 12 and second dust guard 13 all are located through hole 5 inside, and first dust guard 12 and second dust guard 13 lateral wall all with the smooth laminating of 5 inside walls of through hole, both can block the dust for oscilloscope, also can utilize self to rotate the discharge that drives the inside hot-air of oscilloscope simultaneously, have improved oscilloscope's radiating efficiency. The bolt 14 runs through the maintenance plate 9 and is connected with the fixed plate 3 through threads, the shock absorption block 17 is made of plastic and is better in extension, the section of the shock absorption block 17 is arranged in an arc shape, and the tops of two ends of the shock absorption block 17 are connected with the bottom of the digital oscilloscope main body 1 in a sliding mode.

The working principle is as follows: under daily state of depositing, the staff starts motor 7, and motor 7 drives center pin 8 and rotates for first dust guard 12 and second dust guard 13 keep the horizontality, and the dust falls on first dust guard 12 and second dust guard 13 this moment, thereby has reduced the dust and has got into inside from 1 top louvre 2 of digital oscilloscope main part, before digital oscilloscope uses, only need to two dust guards on the dust clear up can. When the oscilloscope carried by a user needs to be used, the oscilloscope is placed on the ground or a table top, the shock absorption block 17 firstly contacts the ground and deforms, two ends of the shock absorption block 17 slide towards two sides at the bottom of the oscilloscope, the middle of the shock absorption block 17 rises and compresses the spring 18, impact force applied to the oscilloscope is greatly weakened, and therefore internal elements of the oscilloscope are protected. When the digital oscilloscope main body 1 is used and the bandwidth of the digital oscilloscope main body is adjusted, the oscilloscope starts to work to generate a large amount of heat, a user starts the motor 7 to drive the central shaft 8 to rotate, so that the first dustproof plate 12 and the second dustproof plate 13 fixedly connected with the outer wall of the central shaft 8 are driven to rotate, hot air from the heat dissipation holes 2 of the oscilloscope is discharged at a high speed, the heat dissipation efficiency of the oscilloscope is improved, when the motor 7 breaks down and is damaged, the user only needs to unscrew the bolt 14 to insert the maintenance plate 9 into the limiting box 10, and the maintenance plate 9 can be fixed inside the limiting box 10 due to the friction force of the anti-skid block 11, so that the user can maintain the motor 7 conveniently.

Finally, it should be noted that: 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 modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. Multichannel digital oscilloscope bandwidth adjusting device, including digital oscilloscope main part (1), its characterized in that: the top of the digital oscilloscope main body (1) is provided with a heat dissipation hole (2), the top of the digital oscilloscope main body (1) is fixedly connected with a fixing plate (3), the inside of the fixing plate (3) is fixedly connected with a heat dissipation plate (4), the inside of the heat dissipation plate (4) is provided with a through hole (5), one end of the top of the fixing plate (3) is provided with a rectangular groove (6), the bottom of the rectangular groove (6) is fixedly connected with a motor (7), a driving shaft of the motor (7) is fixedly connected with a central shaft (8), the central shaft (8) penetrates through the through hole (5) and is rotatably connected with the inner wall of the central shaft, the outer wall of the central shaft (8) is fixedly connected with a first dust guard (12) and a second dust guard (13), the top of the rectangular groove (6) is provided with a maintenance plate (9), one end of the outer wall of the maintenance plate (9), which is far away from the central shaft (8), is provided with a limit box (10), top fixedly connected with non slipping spur (11) in spacing box (10), the one end threaded connection who keeps away from spacing box (10) at maintenance board (9) top has bolt (14), equal fixedly connected with sleeve (15) in digital oscilloscope main part (1) bottom both ends, sleeve (15) inner wall sliding connection has movable post (16), activity post (16) bottom fixedly connected with bradyseism piece (17), common fixedly connected with spring (18) between bradyseism piece (17) and sleeve (15).

2. The multi-channel digital oscilloscope bandwidth adjustment device according to claim 1, characterized in that: the through holes (5) are the same as the heat dissipation holes (2) in size and correspond to the heat dissipation holes one by one.

3. The multi-channel digital oscilloscope bandwidth adjustment device according to claim 1, characterized in that: maintenance board (9) lateral wall and spacing box (10) inner wall sliding connection, maintenance board (9) top and non slipping spur (11) laminating, maintenance board (9) bottom and fixed plate (3) top laminating.

4. The multi-channel digital oscilloscope bandwidth adjustment device according to claim 1, characterized in that: the section of the anti-skid block (11) is trapezoidal, and the anti-skid block (11) is made of rubber.

5. The multi-channel digital oscilloscope bandwidth adjustment device according to claim 1, characterized in that: first dust guard (12) and second dust guard (13) are the symmetry setting about center pin (8), first dust guard (12) and second dust guard (13) all are located through hole (5) inside, first dust guard (12) and second dust guard (13) lateral wall all with the smooth laminating of through hole (5) inside wall.

6. The multi-channel digital oscilloscope bandwidth adjustment device according to claim 1, characterized in that: the bolt (14) penetrates through the maintenance plate (9) and is in threaded connection with the fixing plate (3).

7. The multi-channel digital oscilloscope bandwidth adjustment device according to claim 1, characterized in that: the shock absorption block (17) is made of plastic, the section of the shock absorption block (17) is arranged in an arc shape, and the tops of the two ends of the shock absorption block (17) are connected with the bottom of the digital oscilloscope main body (1) in a sliding mode.