CN218628631U

CN218628631U - Tool for testing noise of thin film capacitor

Info

Publication number: CN218628631U
Application number: CN202222812769.6U
Authority: CN
Inventors: 梅安逸
Original assignee: SHANGHAI SHANGDIAN CAPACITOR CO Ltd
Current assignee: SHANGHAI SHANGDIAN CAPACITOR CO Ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-03-14
Anticipated expiration: 2032-10-25

Abstract

The utility model discloses a tool for testing the noise of a film capacitor, which comprises a fixing mechanism, a butt joint, a power supply component and a sound volume measuring component, wherein the fixing mechanism is arranged on a base and comprises a fixing part and an action part; the butt joint is close to the fixing mechanism, and a conductive clip is arranged on the butt joint; the power supply assembly is fixed on the base and comprises a battery and an operating switch; and the sound volume measuring component comprises a sound pick-up and a sound volume sensor, the sound pick-up is close to the fixing mechanism, and the sound volume sensor is electrically connected with the sound pick-up. The beneficial effects of the above technical scheme are: the fixed establishment that sets up can be fixed on the base with the electric capacity of different shapes and not unidimensional, and the circular telegram back obtains the noise that the electric capacity produced through the adapter to carry out digital display through the volume sensor subassembly.

Description

Tool for testing noise of thin film capacitor

Technical Field

The utility model relates to a capacitance test technical field, concretely relates to frock of test film capacitor noise.

Background

The film capacitor is a capacitor having a structure in which a metal foil is used as an electrode, and the metal foil is laminated with a plastic film such as polyethylene, polypropylene, polystyrene, or polycarbonate from both ends thereof, and then wound into a cylindrical shape. The metal foil in the capacitor generates noise due to manufacturing reasons and working conditions when in use, so that the metal foil needs to be electrified for noise testing after the capacitor is manufactured. The existing testing device has poor universality and cannot fix different capacitors. And the test is performed only by means of human ears, and the test lacks objectivity and accuracy.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides a frock of test film capacitor noise can stabilize the electric capacity that the fixed examination of awaiting measuring more, and can be more accurate objective definite electric capacity's noise value.

The utility model provides a technical scheme be: a frock of test film capacitor noise includes:

the fixing mechanism is arranged on the base and comprises a fixing part and an action part;

the butt joint is arranged close to the fixing mechanism, and a conductive clip is arranged on the butt joint;

the power supply assembly is fixed on the base and comprises a battery and an operating switch; and the number of the first and second groups,

the sound volume survey subassembly, the sound volume survey subassembly includes adapter and volume sensor, the adapter is close to the fixed establishment sets up, volume sensor with the adapter electricity is connected.

The beneficial effects of the above technical scheme are: the fixed establishment that sets up can be fixed on the base with the electric capacity of different shapes and not unidimensional, and the circular telegram back obtains the noise that the electric capacity produced through the adapter to carry out digital display through the volume sensor subassembly.

Further, the fixed part is the fixed block, the action part is the grip block that slides and sets up, be provided with on the base the spout of grip block, be provided with the spring in the spout, the spout orientation the fixed block extends.

Furthermore, the butt joint is a vertical plate, the number of the conductive clamps is two, and the two conductive clamps are movably arranged on the vertical plate.

Further, the docking head is located between the securing mechanism and the power supply assembly.

Further, the adapter is fixed the tip of base, the adapter is fixed through a support on the base, the support with base rotatable coupling.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Reference numerals: the sound volume sensor comprises a base 100, a fixing block 200, a sliding groove 210, a clamping block 220, a vertical plate 300, a conductive clamp 310, a power supply assembly 400, a sound volume sensor 500, a sound pickup 510 and a support 511.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only used to illustrate the technical solutions of the present invention more clearly, and therefore are only used as examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

As shown in fig. 1, the present embodiment provides a tool for testing noise of a film capacitor, including a fixing mechanism, a butt joint, a power supply module 400 and a sound volume measuring module, where the fixing mechanism is disposed on a base 100, and the fixing mechanism includes a fixing portion and an actuating portion; the butt joint is arranged close to the fixing mechanism, and a conductive clip 310 is arranged on the butt joint; the power supply assembly 400 is fixed on the base 100, and the power supply assembly 400 comprises a battery and an operating switch; the volume measurement assembly comprises a sound pick-up 510 and a volume sensor 500, wherein the sound pick-up 510 is arranged close to the fixing mechanism, and the volume sensor 500 is electrically connected with the sound pick-up 510.

When the device is used, the arranged fixing mechanism can fix capacitors with different shapes and sizes on the base 100, and after the device is powered on, noise generated by the capacitors is obtained through the sound pick-up 510, and digital display is performed through the volume sensor 500 assembly.

In order to fix the capacitor, the action part can be switched between far away from the fixing part and near to the fixing part to form clamping spaces with different sizes. The fixing portion is a fixing block 200, the actuating portion is a clamping block 220 arranged in a sliding mode, a sliding groove 210 for installing the clamping block 220 is formed in the base 100, a spring is arranged in the sliding groove 210, and the sliding groove 210 extends towards the fixing block 200.

The capacitor can be electrified by clamping the conductive joint of the capacitor to be tested through the conductive clamp 310, the butt joint is a vertical plate 300, the number of the conductive clamps 310 is two, and the two conductive clamps 310 are movably arranged on the vertical plate 300.

In the layout, the power supply module 400 is fixed on one side of the base 100, and the docking head is located between the fixing mechanism and the power supply module 400, taking the right side as an example. So that the distance between the docking head and the power supply module 400 is small for easy connection. Correspondingly, the sound pick-up 510 is fixed at the left end of the base 100, the sound pick-up 510 is fixed on the base 100 through a support 511, and the support 511 is rotatably connected with the base 100.

In the description of the present application, it is to be understood that the terminology used herein is for the purpose of description only and is not intended to be interpreted as indicating or implying any relative importance or implicit indication of the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "connected," "secured," and the like are to be construed broadly and encompass, for example, both fixedly connected and detachably connected, or integrally formed; may be an electrical connection; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the specification of the present invention, a large number of specific details are explained. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, systems, and techniques have not been shown in detail in order not to obscure an understanding of this description.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included in the scope of the claims and description of the present invention.

Claims

1. The utility model provides a frock of test film capacitor noise which characterized in that includes:

the fixing mechanism is arranged on the base (100) and comprises a fixing part and an action part;

a docking head disposed proximate to the securing mechanism, the docking head having a conductive clip (310) disposed thereon;

a power supply assembly (400), the power supply assembly (400) being fixed on the base (100), the power supply assembly (400) including a battery and an operation switch; and (c) a second step of,

a loudness measurement assembly comprising a microphone (510) and a loudness sensor (500), the microphone (510) being located close to the securing mechanism, the loudness sensor (500) being electrically connected to the microphone (510).

2. The tool for testing the noise of the film capacitor as claimed in claim 1, wherein the fixing portion is a fixing block (200), the actuating portion is a clamping block (220) which is slidably disposed, a sliding groove (210) for mounting the clamping block (220) is disposed on the base (100), a spring is disposed in the sliding groove (210), and the sliding groove (210) extends towards the fixing block (200).

3. The tool for testing noise of the film capacitor as claimed in claim 1, wherein the butt joint is a vertical plate (300), the number of the conductive clips (310) is two, and the two conductive clips (310) are movably arranged on the vertical plate (300).

4. A tool for testing film capacitor noise according to claim 1 or 3, wherein the butt joint is located between the fixing mechanism and the power supply assembly (400).

5. The tool for testing noise of the film capacitor as claimed in claim 1, wherein the sound pickup (510) is fixed at an end of the base (100), the sound pickup (510) is fixed on the base (100) through a bracket (511), and the bracket (511) is rotatably connected with the base (100).