Filter test bench

Abstract

The utility model discloses a filter testing seat, which relates to the technical field of filter testing and comprises a base, a first bulge and a second bulge are fixedly arranged on the top surface of the base and are arranged side by side, the side surface, close to the second bulge, of the first bulge is a first slope surface, and the side surface of the second bulge is a second slope surface. The side face, close to the first protrusion, of the second protrusion is a second slope face. The top surface of the first bulge is used for being contacted and electrically connected with a shell of a finished filter or a grounding point of a semi-finished filter, the first slope surface is used for being contacted and electrically connected with the shell of the finished filter, and the top surface of the second bulge is used for being contacted and electrically connected with the shell of the finished filter or the grounding point of the semi-finished filter; the second slope surface is used for contacting and electrically connecting with the shell of the finished filter; the filter test bench disclosed by the utility model can be suitable for different filters.

Description

Technical Field

[0001] The utility model relates to the technical field of filter testing, in particular to a filter testing seat. Background Art

[0002] When doing parameter testing in the production process of DC filters, it is necessary to test parameters such as line-to-ground insulation and line-to-ground capacity of the filter. During the test, the grounding point of the filter needs to be connected to the test line of the instrument. However, many grounding points of filters do not have separate pins, and the test fixture of the instrument cannot reliably clamp the grounding point. In addition, most existing filter testing methods use alligator clips to clamp the pins or contacts of the filter, or press the filter on a special fixture with spring clips as test contacts. The pins are in contact with the spring clips for testing, which has poor versatility for filters. Utility Model Content

[0003] The utility model aims to provide a filter test socket to solve the problems existing in the above-mentioned prior art and can be applicable to different filters.

[0004] To achieve the above purpose, the utility model provides the following solutions:

[0005] The utility model provides a filter test seat, comprising a base, a first protrusion and a second protrusion are fixedly provided on the top surface of the base, the first protrusion and the second protrusion are arranged side by side, the side surface of the first protrusion close to the second protrusion is a first slope surface, and the side surface of the second protrusion close to the first protrusion is a second slope surface; the top surface of the first protrusion is used to contact and electrically connect with the outer shell of a finished filter or the grounding point of a semi-finished filter, the first slope surface is used to contact and electrically connect with the outer shell of the finished filter, the top surface of the second protrusion is used to contact and electrically connect with the outer shell of the finished filter or the grounding point of the semi-finished filter, and the second slope surface is used to contact and electrically connect with the outer shell of the finished filter.

[0006] Preferably, the distance from the top surface of the first protrusion to the top surface of the base is equal to the distance from the top surface of the second protrusion to the top surface of the base.

[0007] Preferably, the angle between the first slope and the top surface of the first protrusion is a first angle, and the angle between the second slope and the top surface of the second protrusion is a second angle; the first angle is equal to the second angle.

[0008] Preferably, the base is provided with pin avoidance holes, the number of which is equal to the number of pins of the finished filter or the semi-finished filter, and the pin avoidance holes are used to avoid the pins of the finished filter or the semi-finished filter.

[0009] Preferably, a casing grounding connection part avoidance hole is provided on the base, and the casing grounding connection part avoidance hole is used to avoid a grounding connection part on the casing of the finished filter.

[0010] Preferably, a third protrusion and a fourth protrusion are fixedly provided on the top surface of the base, and the third protrusion and the fourth protrusion are arranged side by side, the third protrusion is placed on one side of the first protrusion and the second protrusion, and the fourth protrusion is placed on the other side of the first protrusion and the second protrusion; the top surface of the third protrusion is used to contact and electrically connect with the outer casing of the finished filter or the grounding point of the semi-finished filter, and the top surface of the fourth protrusion is used to contact and electrically connect with the outer casing of the finished filter or the grounding point of the semi-finished filter.

[0011] Preferably, a conductive column is fixedly provided on the base.

[0012] Compared with the prior art, the utility model has achieved the following technical effects:

[0013] The filter test seat provided by the utility model has a first protrusion and a second protrusion fixedly arranged side by side on the top surface of the base, the top surface of the first protrusion is used to contact and electrically connect with the housing of the finished filter or the grounding point of the semi-finished filter, the first slope is used to contact and electrically connect with the housing of the finished filter, the top surface of the second protrusion is used to contact and electrically connect with the housing of the finished filter or the grounding point of the semi-finished filter, and the second slope is used to contact and electrically connect with the housing of the finished filter. When testing the finished filter, the finished filter is installed on the filter test seat provided by the utility model, and the bearing and electrical connection of the finished filter are completed by the cooperation of the first protrusion and the second protrusion. Specifically, the top surface of the first protrusion can be used to cooperate with the top surface of the second protrusion to complete the contact with the housing of the finished filter. and electrically connected; the top surface of the first protrusion can also be used to cooperate with the second slope surface to complete the contact with the outer shell of the finished filter and electrically connected; the top surface of the second protrusion can also be used to cooperate with the first slope surface to complete the contact with the outer shell of the finished filter and electrically connected; the first slope surface can also be used to cooperate with the second slope surface to complete the contact with the outer shell of the finished filter and electrically connected; when testing the semi-finished filter, the semi-finished filter is installed on the filter test seat provided by the utility model, and the first protrusion and the second protrusion cooperate to complete the bearing and electrical connection of the semi-finished filter. Specifically, the top surface of the first protrusion can be used to cooperate with the top surface of the second protrusion to complete the contact with the grounding point of the semi-finished filter and electrically connect; therefore, the filter test seat provided by the utility model can be suitable for different filters. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 A three-dimensional schematic diagram of a filter test socket provided by the utility model;

[0016] Figure 2 A schematic diagram of the main view of the filter test socket provided by the utility model;

[0017] Figure 3 for Figure 2 A left schematic diagram of a filter test socket in FIG.

[0018] Figure 4 for Figure 2 A top view schematic diagram of the filter test socket in FIG.

[0019] Figure 5 A schematic diagram of a use state of the filter test socket provided by the utility model;

[0020] Figure 6 for Figure 5 Schematic diagram of the filter;

[0021] Figure 7 for Figure 6 Schematic diagram of a semi-finished product of the filter;

[0022] Figure 8 The filter test seat provided by the utility model is used to test Figure 5 Schematic diagram of the semi-finished filter;

[0023] Fig. 9 A schematic diagram of another use state of the filter test socket provided by the utility model;

[0024] Fig.10 The filter test seat provided by the utility model is used to test Fig. 9 Schematic diagram of the semi-finished filter;

[0025] In the figure: 1-base, 2-first protrusion, 3-second protrusion, 4-third protrusion, 5-fourth protrusion, 6-first slope, 7-second slope, 8-shell of finished filter, 9-grounding point of semi-finished filter, 10-pin, 11-pin avoidance hole, 12-grounding connection part, 13-shell grounding connection part avoidance hole, 14-conductive column. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] The utility model aims to provide a filter test socket to solve the problems existing in the above-mentioned prior art and can be applicable to different filters.

[0028] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0029] like Figure 1-10 As shown, the utility model provides a filter test seat, the overall shape includes but is not limited to square or circular, etc., including a base 1, the base 1 is made of metal or alloy material with good conductivity, a first protrusion 2 and a second protrusion 3 are fixedly provided on the top surface of the base 1, the first protrusion 2 and the second protrusion 3 are arranged side by side, the side of the first protrusion 2 close to the second protrusion 3 is a first slope 6, and the side of the second protrusion 3 close to the first protrusion 2 is a second slope 7; the top surface of the first protrusion 2 is used to contact and electrically connect with the housing 8 of the finished filter or the grounding point 9 of the semi-finished filter, the first slope 6 is used to contact and electrically connect with the housing 8 of the finished filter, the top surface of the second protrusion 3 is used to contact and electrically connect with the housing 8 of the finished filter or the grounding point 9 of the semi-finished filter, and the second slope 7 is used to contact and electrically connect with the housing 8 of the finished filter.

[0030] The filter test seat provided by the utility model is particularly suitable for testing filter parameters on a manual fixture or an automatic or semi-automatic testing device. The first protrusion 2 and the second protrusion 3 are fixedly arranged side by side on the top surface of the base 1. The top surface of the first protrusion 2 is used to contact and electrically connect with the housing 8 of the finished filter or the grounding point 9 of the semi-finished filter. The first slope 6 is used to contact and electrically connect with the housing 8 of the finished filter. The top surface of the second protrusion 3 is used to contact and electrically connect with the housing 8 of the finished filter or the grounding point 9 of the semi-finished filter. The second slope 7 is used to contact and electrically connect with the housing 8 of the finished filter. When testing the finished filter, the finished filter is installed on the filter test seat provided by the utility model, and the bearing and electrical connection of the finished filter are completed by the cooperation of the first protrusion 2 and the second protrusion 3. Specifically, the top surface of the first protrusion 2 and the top surface of the second protrusion 3 can be used to contact and electrically connect with the housing 8 of the finished filter. The first protrusion 2 can be combined to complete the contact with the housing 8 of the finished filter and the electrical connection; the top surface of the first protrusion 2 can also be used to cooperate with the second slope 7 to complete the contact with the housing 8 of the finished filter and the electrical connection; the top surface of the second protrusion 3 can also be used to cooperate with the first slope 6 to complete the contact with the housing 8 of the finished filter and the electrical connection; the first slope 6 can also be used to cooperate with the second slope 7 to complete the contact with the housing 8 of the finished filter and the electrical connection; when testing the semi-finished filter, the semi-finished filter is installed on the filter test seat provided by the utility model, and the first protrusion 2 and the second protrusion 3 cooperate to complete the bearing and electrical connection of the semi-finished filter. Specifically, the top surface of the first protrusion 2 can be used to cooperate with the top surface of the second protrusion 3 to complete the contact with the grounding point 9 of the semi-finished filter and the electrical connection; therefore, the filter test seat provided by the utility model can be suitable for different filters.

[0031] As an optional implementation of this embodiment, the first protrusion 2 and the second protrusion 3 may be in the shape of, but not limited to, bosses, convex points, slopes, points or ridges.

[0032] As a more preferred implementation manner of this embodiment, the distance from the top surface of the first protrusion 2 to the top surface of the base 1 is equal to the distance from the top surface of the second protrusion 3 to the top surface of the base 1, so that the top surface of the first protrusion 2 and the top surface of the second protrusion 3 can cooperate with each other to complete the contact and electrical connection between the filter test seat provided by the utility model and the housing 8 of the finished filter.

[0033] As a more preferred implementation manner of this embodiment, the angle between the first slope 6 and the top surface of the first protrusion 2 is the first angle, and the angle between the second slope 7 and the top surface of the second protrusion 3 is the second angle; the first angle is equal to the second angle, so that the first slope 6 and the second slope 7 can be used to cooperate with each other to complete the contact and electrical connection between the filter test socket provided by the utility model and the housing 8 of the finished filter.

[0034] Furthermore, pin avoidance holes 11 are provided on the base 1, and the number of the pin avoidance holes 11 is equal to the number of pins 10 of the finished filter or the semi-finished filter. The pin avoidance holes 11 are used to avoid the pins 10 of the finished filter or the semi-finished filter. It should be noted here that the pin avoidance holes 11 should be large enough to accommodate different pin 10 arrangements of different filters.

[0035] Furthermore, a shell grounding connection avoidance hole 13 is provided on the base 1, and the shell grounding connection avoidance hole 13 is used to avoid the grounding connection 12 on the shell 8 of the finished filter. It should be noted here that the pin avoidance hole 11 should be large enough to adapt to different grounding connection 12 structures of different filters.

[0036] Furthermore, a third protrusion 4 and a fourth protrusion 5 are fixedly provided on the top surface of the base 1, and the third protrusion 4 and the fourth protrusion 5 are arranged side by side, the third protrusion 4 is placed on one side of the first protrusion 2 and the second protrusion 3, and the fourth protrusion 5 is placed on the other side of the first protrusion 2 and the second protrusion 3; the top surface of the third protrusion 4 is used to contact and electrically connect with the housing 8 of the finished filter or the grounding point 9 of the semi-finished filter, and the top surface of the fourth protrusion 5 is used to contact and electrically connect with the housing 8 of the finished filter or the grounding point 9 of the semi-finished filter, which can further improve the versatility of the filter test socket provided by the utility model.

[0037] Furthermore, a conductive column 14 is fixedly provided on the base 1, so that a test probe can be used to contact the conductive column 14 and the pin 10 of the filter and perform a test; the conductive column 14 can be replaced by a conductive probe.

[0038] The present invention uses specific examples to illustrate the principle and implementation of the present invention. The above examples are only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A filter test socket, characterized in that: It includes a base, on the top surface of which a first protrusion and a second protrusion are fixedly provided, the first protrusion and the second protrusion are arranged side by side, the side of the first protrusion close to the second protrusion is a first slope surface, and the side of the second protrusion close to the first protrusion is a second slope surface; the top surface of the first protrusion is used to contact and electrically connect with the outer shell of the finished filter or the grounding point of the semi-finished filter, the first slope surface is used to contact and electrically connect with the outer shell of the finished filter, the top surface of the second protrusion is used to contact and electrically connect with the outer shell of the finished filter or the grounding point of the semi-finished filter, and the second slope surface is used to contact and electrically connect with the outer shell of the finished filter.

2. The filter test socket according to claim 1, characterized in that: The distance from the top surface of the first protrusion to the top surface of the base is equal to the distance from the top surface of the second protrusion to the top surface of the base.

3. The filter test socket according to claim 2, characterized in that: The angle between the first slope and the top surface of the first protrusion is a first angle, and the angle between the second slope and the top surface of the second protrusion is a second angle; the first angle is equal to the second angle.

4. The filter test socket according to claim 1, characterized in that: The base is provided with pin avoidance holes, the number of which is equal to the number of pins of the finished filter or the semi-finished filter, and the pin avoidance holes are used to avoid the pins of the finished filter or the semi-finished filter.

5. The filter test socket according to claim 4, characterized in that: The base is provided with a casing grounding connection part avoidance hole, and the casing grounding connection part avoidance hole is used to avoid the grounding connection part on the casing of the finished filter.

6. The filter test socket according to claim 1, characterized in that: A third protrusion and a fourth protrusion are fixedly provided on the top surface of the base, the third protrusion and the fourth protrusion are arranged side by side, the third protrusion is placed on one side of the first protrusion and the second protrusion, and the fourth protrusion is placed on the other side of the first protrusion and the second protrusion; the top surface of the third protrusion is used to contact and electrically connect with the outer shell of the finished filter or the grounding point of the semi-finished filter, and the top surface of the fourth protrusion is used to contact and electrically connect with the outer shell of the finished filter or the grounding point of the semi-finished filter.

7. The filter test socket according to claim 1, characterized in that: A conductive column is fixedly arranged on the base.

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