CN211478631U

CN211478631U - Decimal capacitance box

Info

Publication number: CN211478631U
Application number: CN201921697503.3U
Authority: CN
Inventors: 陈波锋; 陈建; 陈良
Original assignee: Anhui Jingsai Measurement Co ltd
Current assignee: Anhui Jingsai Measurement Co ltd
Priority date: 2019-10-11
Filing date: 2019-10-11
Publication date: 2020-09-11
Anticipated expiration: 2029-10-11

Abstract

The utility model discloses a decimal capacitor box, which comprises a box body, a capacitor component, a change-over switch and an output interface, wherein the capacitor component, the change-over switch and the output interface are arranged in the box body; the inner wall of the box body is provided with a sound absorption plate and a sound absorption plate, a honeycomb sound absorption hole is formed in the sound absorption plate, a wavy sound absorption layer is arranged in the sound absorption plate, and a plurality of sound absorption holes are formed in the sound absorption layer; the bottom of the box body is provided with a change-over switch, and the capacitor assembly is electrically connected with the change-over switch through a lead; the top end of the box body is provided with a plurality of vent holes; and the inner walls of the left side and the right side above the box body are provided with silent cooling fans. The utility model absorbs and consumes the noise in the box body through the acoustic boards and the acoustic boards which are arranged in the box body, and plays a role of noise reduction for the box body; the mute heat radiation fan arranged in the box body and the ventilation holes on the box body further improve the heat radiation performance of the box body, and the mute heat radiation fan has a simple structure and a good heat radiation effect.

Description

Decimal capacitance box

Technical Field

The utility model relates to a power equipment technical field specifically is a decimal capacitance case.

Background

In the field of measurement or calibration, a standard capacitor box (device) is a specially-made capacitor measuring tool for ensuring the consistency of unit quantity values of capacitor parameters, and is used as a standard measuring tool for transmitting capacitor parameters in alternating current parameter measurement; meanwhile, in the field of electronic components, the standard capacitor box (device) can be used as a standard sensor, and accurate capacitance parameters can be transmitted in debugging of a test circuit, so that the accuracy of the sensor is improved.

In capacitance parameter measurement, a standard capacitance box produced at home and abroad is generally a decimal capacitance box, and mainly comprises a real object capacitor part, a change-over switch part and an output interface part. But be applied to needs quiet environment such as hospital, school and office building, it is higher to the performance requirement of making an uproar of falling of capacitance box, and present capacitance box mostly can not satisfy this requirement, and the radiating effect is relatively poor, and the condenser is in high temperature environment for a long time, leads to the condenser to damage easily, and operating quality is relatively poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a decimal capacitance case to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a decimal capacitance box comprises a box body, a capacitor assembly, a change-over switch and an output interface, wherein the capacitor assembly, the change-over switch and the output interface are arranged in the box body; the inner wall of the box body is provided with a sound absorption plate and a sound absorption plate, a honeycomb sound absorption hole is formed in the sound absorption plate, a wavy sound absorption layer is arranged in the sound absorption plate, and a plurality of sound absorption holes are formed in the sound absorption layer; the capacitor box comprises a box body and is characterized in that a plurality of mounting plates are arranged inside the box body, mounting grooves are formed in the mounting plates, and capacitor components are mounted inside the mounting grooves; the bottom of the box body is provided with a change-over switch, and the capacitor assembly is electrically connected with the change-over switch through a lead; the top end of the box body is provided with a plurality of ventilation holes, and dust screens are arranged inside the ventilation holes; and the inner walls of the left side and the right side above the box body are provided with silent cooling fans.

Preferably, a blocking connection structure is connected between the adjacent silencing holes to block audio transmission in the silencing holes, so that the silencing effect is improved.

Preferably, the mute heat radiation fan is electrically connected with a temperature sensor, the temperature sensor is installed on the installation plate, the temperature change condition of the capacitor assembly on the installation plate is monitored through the temperature sensor, and heat radiation work is carried out through the mute heat radiation fan.

Preferably, the surface of the mounting plate is provided with a foamed aluminum layer for heat dissipation work on the mounting plate.

Preferably, be provided with the guard plate on the outer wall all around of box, be connected with the flexible support bar of a plurality of between guard plate and the box, when the box received external striking, the guard plate played the effect of protection to the box, and the support bar played the effect of bradyseism to the box.

Preferably, all be provided with the protection angle of radian adaptation in the four peripheral angle departments on box top, play the effect of protection to the box.

Preferably, one side of box is provided with the lead wire groove, be provided with the cable sheath on the lead wire groove, be connected with folding portion between cable sheath and the lead wire groove, play the effect of protection to the cable in the lead wire groove through the cable sheath, and the convenience and the practicality of cable sheath are improved in the setting of folding portion.

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

the utility model provides a decimal capacitance box, which absorbs and consumes the noise in the box body through the acoustic board and the acoustic board arranged in the box body, and has the function of reducing the noise of the box body; the heat dissipation performance of the box body is further improved through the silent heat dissipation fan arranged in the box body and the ventilation holes in the box body, the structure is simple, and the heat dissipation effect is good; through the mounting panel and the foam aluminium lamination on the mounting panel of setting on the box, the effectual heat transfer that improves capacitor assembly prolongs its life.

Drawings

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

FIG. 2 is a schematic view of a partially enlarged structure of the case of the present invention;

fig. 3 is a front view of the present invention.

In the figure: 1. a box body; 2. a capacitor open component; 3. a transfer switch; 4. a sound-absorbing panel; 5. a sound-absorbing panel; 6. A sound absorption hole; 7. a sound-deadening layer; 8. a silencing hole; 9. mounting a plate; 10. a vent hole; 11. a silent cooling fan; 12. a blocking linkage structure; 13. a temperature sensor; 14. a foamed aluminum layer; 15. a protection plate; 16. A flexible support strip; 17. a protection corner; 18. a folding part; 19. a cable jacket.

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 "vertical", "upper", "lower", "horizontal", 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 in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 according to specific situations by those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution: a decimal capacitance box comprises a box body 1, a capacitor component 2, a change-over switch 3 and an output interface, wherein the capacitor component 2, the change-over switch 3 and the output interface are arranged in the box body 1; the inner wall of the box body 1 is provided with a sound absorption plate 4 and a sound absorption plate 5, a honeycomb sound absorption hole 6 is formed in the sound absorption plate 4, a wavy sound absorption layer 7 is arranged in the sound absorption plate 5, and a plurality of sound absorption holes 8 are formed in the sound absorption layer 7; a plurality of mounting plates 9 are arranged inside the box body 1, mounting grooves are formed in the mounting plates 9, and the capacitor assemblies 2 are mounted inside the mounting grooves; the bottom of the box body 1 is provided with a change-over switch 3, and the capacitor component 2 is electrically connected with the change-over switch 3 through a lead; the top end of the box body 1 is provided with a plurality of ventilation holes 10, and dust screens are arranged inside the ventilation holes 10; the inner walls of the left side and the right side above the box body 1 are provided with silent cooling fans 11.

Further, a blocking connection structure 12 is connected between adjacent muffling holes 8.

Further, the silent cooling fan 11 is electrically connected to a temperature sensor 13, and the temperature sensor 13 is mounted on the mounting plate 9.

Further, the surface of the mounting plate 9 is provided with a foamed aluminum layer 14.

Furthermore, the outer wall around the box body 1 is provided with a protection plate 15, and a plurality of flexible support strips 16 are connected between the protection plate 15 and the box body 1.

Furthermore, all corners around the top of the box body 1 are provided with protection corners 17 with adaptive radians.

Furthermore, one side of the box body 1 is provided with a lead groove, a cable sheath 19 is arranged on the lead groove, and a folding part 18 is connected between the cable sheath 19 and the lead groove.

The working principle is as follows: be provided with abatvoix 4 and abatvoix 5 on the inner wall of box 1, the inside of abatvoix 4 is provided with honeycomb sound absorbing hole 6, absorbs the noise audio frequency that the electric component operation in the box 1 produced through sound absorbing hole 6, because be connected with interdiction nature connection structure 12 between the adjacent sound absorbing hole 8 for the audio frequency can not transmit at abatvoix 4, improves its sound effect of inhaling. The inside of acoustical panel 5 is provided with wavy amortization layer 7, and the inside of amortization layer 7 is provided with a plurality of amortization hole 8, and the partial noise in acoustical panel 4 gets into amortization layer 7 in acoustical panel 5 to carry out amortization work by amortization hole 8, and amortization layer 7 is wavy, further improves amortization efficiency.

The capacitor component 2 is arranged in the mounting groove, and the structure is simple and stable; the surface of the mounting board 9 is provided with a foamed aluminum layer 14, and the foamed aluminum layer 14 plays a role of heat dissipation for the capacitor assembly 2 on the mounting board 9. The top end of the box body 1 is provided with a plurality of ventilation holes 10, and dust screens are arranged inside the ventilation holes 10; install silence radiator fan 11 on the left and right sides inner wall of box 1 top, carry out the work of dispelling the heat in to the box through silence radiator fan 11 to outside the box 1 is discharged through ventilation hole 10 with the high-temperature air in the box 1, accomplish the inside and outside cold and hot air exchange of box 1, the dust screen is used for preventing that external dust from getting into box 1.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A decimal capacitance box characterized in that: the device comprises a box body (1), a capacitor assembly (2), a change-over switch (3) and an output interface, wherein the capacitor assembly (2), the change-over switch and the output interface are arranged in the box body (1); the sound absorption plate (4) and the sound absorption plate (5) are arranged on the inner wall of the box body (1), a honeycomb-shaped sound absorption hole (6) is formed in the sound absorption plate (4), a wavy sound absorption layer (7) is arranged in the sound absorption plate (5), and a plurality of sound absorption holes (8) are formed in the sound absorption layer (7); a plurality of mounting plates (9) are arranged inside the box body (1), mounting grooves are formed in the mounting plates (9), and the capacitor assemblies (2) are mounted inside the mounting grooves; the bottom of the box body (1) is provided with a change-over switch (3), and the capacitor component (2) is electrically connected with the change-over switch (3) through a lead; the top end of the box body (1) is provided with a plurality of ventilation holes (10), and a dust screen is arranged inside the ventilation holes (10); and the inner walls of the left side and the right side above the box body (1) are provided with silent cooling fans (11).

2. A decimal capacitance box according to claim 1, characterized in that: and a blocking connection structure (12) is connected between the adjacent silencing holes (8).

3. A decimal capacitance box according to claim 1, characterized in that: the mute heat dissipation fan (11) is electrically connected with a temperature sensor (13), and the temperature sensor (13) is installed on the installation plate (9).

4. A decimal capacitance box according to claim 1, characterized in that: the surface of the mounting plate (9) is provided with a foamed aluminum layer (14).

5. A decimal capacitance box according to claim 1, characterized in that: the box is characterized in that protective plates (15) are arranged on the outer walls of the periphery of the box body (1), and a plurality of flexible supporting strips (16) are connected between the protective plates (15) and the box body (1).

6. A decimal capacitance box according to claim 1, characterized in that: all corner departments all are provided with protection angle (17) of radian adaptation around the top of box (1).

7. A decimal capacitance box according to claim 1, characterized in that: one side of the box body (1) is provided with a lead groove, a cable sheath (19) is arranged on the lead groove, and a folding part (18) is connected between the cable sheath (19) and the lead groove.