CN216082831U

CN216082831U - Network branch test seat

Info

Publication number: CN216082831U
Application number: CN202121690288.1U
Authority: CN
Inventors: 夏欢; 张勇
Original assignee: Jindongli Intelligent Technology SZ Co Ltd
Current assignee: Jindongli Intelligent Technology SZ Co Ltd
Priority date: 2021-07-23
Filing date: 2021-07-23
Publication date: 2022-03-18
Anticipated expiration: 2031-07-23

Abstract

The utility model particularly discloses a network branch test seat which comprises a base, a circuit board, a test piece and a radio frequency connector, wherein the circuit board is arranged on the base; the circuit board is arranged above the base; the test piece comprises an installation part, a conductive part and an elastic part, the installation part is fixed on the circuit board, the conductive part comprises a first conductive part and a second conductive part, the first conductive part is electrically connected with the circuit board, the second conductive part is used for being connected with a pin of the passive component, the upper end of the elastic part is abutted against the lower end of the second conductive part, and the elastic part is fixed on the base; one end of the radio frequency connector is electrically connected with the circuit board, and the other end of the radio frequency connector is used for being butted with a connector of an external tester. Because the test piece has the elasticity portion, through the cushioning effect of elasticity portion, be favorable to passive components and parts's pin and test piece to keep inseparable contact, compare in the conducting resin among the prior art, this test piece has high stability and long service life's advantage to greatly reduced manufacturing cost and guaranteed the stability of test.

Description

Network branch test seat

Technical Field

The utility model relates to the technical field of passive component testing, in particular to a network branch testing seat.

Background

With the popularization of electronic products, the application amount of passive components is larger and larger, and the test of the passive components is an indispensable process in order to ensure the reliability and performance of the passive components. The filter is one of common passive components, and the current test mode process of the filter is usually to add conductive adhesive on a PCB test board. However, this test method has the following problems: 1. usually, the test needs to be updated within half an hour, the first time of stability is ten minutes, and the test is unstable along with the damage of the conductive adhesive at the later stage; 2. the position of the conductive adhesive needs to be changed frequently, so that the loss of the conductive adhesive is high, at least 5-6 pieces of conductive adhesive are lost in one day, and the position of the conductive adhesive can be changed only by stopping the test, so that the test efficiency is influenced, and the problem of low test efficiency is caused; 3. in addition, the cost of the conductive adhesive is high, the cost of one conductive adhesive is about 2000 yuan, and for large and medium-sized enterprises, a plurality of test devices are required to be operated simultaneously, so that the high cost is required to be consumed every day.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a network branch test seat, and solves the problems of large loss and unstable test in the existing test mode.

A network branch test seat comprises a base, a circuit board, a test piece and a radio frequency connector; the circuit board is arranged above the base; the test piece comprises an installation part, a conductive part and an elastic part, the installation part is fixed on the circuit board, the conductive part comprises a first conductive part and a second conductive part, the first conductive part is electrically connected with the circuit board, the second conductive part is used for being connected with a pin of a passive component, the upper end of the elastic part abuts against the lower end of the second conductive part, and the elastic part is fixed on the base; one end of the radio frequency connector is electrically connected with the circuit board, and the other end of the radio frequency connector is used for being butted with a connector of an external tester.

Furthermore, the circuit board comprises a substrate, a circuit and a pad are printed on the substrate, the pad is connected with the circuit, the radio frequency connector is connected with the pad, and the circuit is electrically connected with the conductive part of the test piece.

Further, the substrate is of a double-layer or multi-layer structure.

Further, the characteristic impedance of the circuit board is 47.5 Ω to 53 Ω.

Further, the shore a hardness of the elastic portion is 10 degrees or more.

Further, the base is provided with a mounting groove for mounting the elastic part, and the substrate of the circuit board is provided with a through hole for the elastic part to pass through.

Further, the top surface of the elastic portion is flush with the upper end surface of the circuit board in the mounted state.

Furthermore, the base is detachably connected with the circuit board, and the circuit board is detachably connected with the test piece.

Further, the installation part and the conductive part are of an integrated structure, and the conductive part and the elastic part are detachably connected.

Furthermore, a positioning plate is arranged above the test piece, and the positioning plate is provided with a limiting groove for mounting a passive component.

Compared with the prior art, the utility model has the beneficial effects that: the testing device comprises a circuit board, a testing piece and a radio frequency connector, wherein the testing piece is provided with an elastic part and a conductive part, the conductive part comprises a first conductive part and a second conductive part, the first conductive part is electrically connected with the circuit board, the second conductive part is connected with a pin of a passive component, the circuit board is electrically connected with the radio frequency connector, and then the passive component can be tested by butting the connector of an external tester with the radio frequency connector; simultaneously, through the cushioning effect of the elastic part, the pins of the passive components and parts and the test piece are kept in close contact, the stability of the test is enhanced, and compared with conductive adhesive in the prior art, the test piece in the application has the advantages of high stability and long service life, so that the production cost is reduced, and the stability of the test is ensured.

Drawings

Fig. 1 is a schematic structural diagram of a network test socket provided by the present invention.

Fig. 2 is an exploded view of a net testing seat according to the present invention.

Fig. 3 is a schematic structural diagram of a circuit board provided by the present invention.

FIG. 4 is a schematic structural diagram of a test strip according to the present invention.

Description of reference numerals: 1. a base; 2. a circuit board; 3. testing the sheet; 4. a radio frequency connector; 5. a passive component; 6. positioning a plate; 7. a fastener; 10. mounting grooves; 11. a first mounting hole; 20. a substrate; 21. a line; 22. a pad; 23. a through hole; 24. a second mounting hole; 30. an installation part; 31. an elastic portion; 32. a first conductive portion; 33. a second conductive portion; 60. a limiting groove.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

In the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, which are merely for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element 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; the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

The utility model is described below with reference to specific embodiments in conjunction with the accompanying drawings.

Referring to fig. 1 and 2, a network test socket includes a base 1, a circuit board 2, a test strip 3 and a radio frequency connector 4; the circuit board 2 is arranged above the base 1; the test piece 3 comprises a mounting part 30, a conductive part and an elastic part 31, the mounting part 30 is fixed on the circuit board 2, the conductive part comprises a first conductive part 32 and a second conductive part 33, the first conductive part 32 is electrically connected with the circuit board 2, the second conductive part 33 is used for being connected with a pin of the passive component 5, the upper end of the elastic part 31 abuts against the lower end of the second conductive part 33, and the elastic part 31 is fixed on the base 1; one end of the radio frequency connector 4 is electrically connected with the circuit board 2, and the other end of the radio frequency connector is used for being butted with a connector of an external tester.

According to the network test socket provided by the embodiment of the utility model, as the circuit board 2, the test piece 3 and the radio frequency connector 4 are arranged, the test piece 3 is provided with the elastic part 31 and the conductive part, the conductive part comprises the first conductive part 32 and the second conductive part 33, the first conductive part 32 is electrically connected with the circuit board 2, the second conductive part 33 is connected with the pin of the passive component 5, the circuit board 2 is electrically connected with the radio frequency connector 4, and then the passive component 5 can be tested by butting the connector of an external tester with the radio frequency connector 4; simultaneously, through the buffering effect of the elastic part 31, the pins of the passive component 5 and the test piece are kept in close contact, the test stability is enhanced, and compared with conductive adhesive in the prior art, the test piece 3 in the application has the advantages of high stability and long service life, so that the production cost is reduced, and the test stability is ensured.

Specifically, referring to fig. 3, the circuit board 2 includes a substrate 20, a circuit 21 and a pad 22 are printed on an upper end surface of the substrate 20, the pad 22 is connected to the circuit 21, the rf connector 4 is connected to the pad 22, the circuit 21 is electrically connected to the test pad 3, and the rf connector 4 is in butt joint with a connector of an external tester during testing. The radio frequency connector 4 is a standard SMA connector, and can be smoothly matched with a connector provided by an external tester through the SMA connector, so that the quality of a microwave signal in the test process is ensured.

Alternatively, the substrate 20 may have a double-layer or multi-layer structure in order to ensure the overall structural strength of the circuit board 2.

Alternatively, in order to secure the test effect, the characteristic impedance of the circuit board 2 is 47.5 Ω to 53 Ω.

Specifically, referring to fig. 4, the test strip 3 includes a conductive portion, a mounting portion 30 and an elastic portion 31, the conductive portion includes a first conductive portion 32 and a second conductive portion 33, the second conductive portion 33 and the passive component 5 are in surface contact, and in order to ensure that the leads of the passive component 5 are completely attached to the second conductive portion 33, the size of the contact end of the second conductive portion 33, which is in contact with the leads, should be larger than the size of the leads of the passive component 5; the mounting portion 30 is fixed to the substrate of the circuit board 2, and the mounting portion 30 and the conductive portion are integrally formed.

Preferably, the elastic part 31 is fixed on the base 1, for example, the base 1 is provided with a mounting groove 10, the elastic part 31 is disposed in the mounting groove 10, and the substrate 20 of the circuit board 2 is provided with a through hole 23 through which the elastic part 31 passes. The upper end of the elastic part 31 abuts against the lower end of the second conductive part 33, the second conductive part 33 is completely attached to the upper end face of the elastic part 31, an elastic effect can be provided, support can be provided for the second conductive part 33, the top face of the elastic part is flush with the upper end face of the circuit board 2 in an installation state, the test piece 3 is of a flat plate structure, the first conductive part 32 of the test piece 3 can be completely attached to the circuit board 21 in a natural state, and the contact reliability is greatly improved. The elastic portion 31 shown in fig. 1 is cylindrical, but it should be understood that the shape of the elastic portion 31 should not be limited to cylindrical, but may be truncated cone or other shapes.

Alternatively, in order to ensure the hardness requirement of the elastic portion 31, the shore a hardness of the elastic portion 31 is 10 degrees or more.

In some embodiments of the present invention, the connection between the circuit board 2 and the base 1 is a detachable connection, and the connection between the test strip 3 and the circuit board 2 is a detachable connection, so that the circuit board 2 and the test strip 3 can be conveniently replaced. For example, the base 1 is provided with a first mounting hole 11, the substrate 20 of the circuit board 2 is provided with a second mounting hole 24 corresponding to the first mounting hole 11, the mounting portion 30 of the test strip 3 is provided with a third mounting hole corresponding to the second mounting hole 24, and the base 1, the

circuit boards

2 and 3 are connected together by the fastening member 7 sequentially passing through the third mounting hole, the second mounting hole 24 and the first mounting hole 11 during mounting.

In some embodiments of the present invention, the positioning plate 6 is disposed above the test strip 3, the positioning plate 6 is provided with a positioning groove 60 for mounting the passive component 5, the size and shape of the positioning groove 60 are set according to the size and shape of the passive component 5, and the passive component 5 shown in fig. 1 is a filter, but it should be understood that the passive component 5 should not be limited to the filter, but may also be a capacitor or other passive components.

In some embodiments of the present invention, the positioning plate 6 is further provided with a pressing portion (not shown) for pressing the passive component 5 mounted in the limiting groove 60, so that the passive component 5 is tightly connected with the test piece 3, thereby ensuring the test effect.

The working principle of the network branch test socket provided by the embodiment is as follows: the passive component 5 is firstly placed in the limiting groove 60 of the positioning plate 6, when the passive component 5 is in an installation state, the pin of the passive component 5 is in contact with the second conductive part 33 of the testing sheet 3, the pin and the second conductive part form a conductive state, and then the pin and the second conductive part are connected through the joint of the external tester and the radio frequency joint 4, so that various parameters of the passive component 5 can be tested, and the aim of automatically testing the parameters of the passive component 5 is fulfilled.

In the description herein, references to the description of the terms "one embodiment," "certain embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A network branch test seat is characterized by comprising

A base;

a circuit board mounted above the base;

the testing piece comprises an installation part, a conductive part and an elastic part, the installation part is fixed on the circuit board, the conductive part comprises a first conductive part and a second conductive part, the first conductive part is electrically connected with the circuit board, the second conductive part is used for being connected with a pin of a passive component, the upper end of the elastic part abuts against the lower end of the second conductive part, and the elastic part is fixed on the base;

and one end of the radio frequency connector is electrically connected with the circuit board, and the other end of the radio frequency connector is used for being butted with a connector of an external tester.

2. The net test socket according to claim 1, wherein the circuit board comprises a substrate, the substrate has printed thereon a circuit and a pad, the pad is connected to the circuit, the rf connector is connected to the pad, and the circuit is electrically connected to the conductive portion of the test strip.

3. The grid test socket according to claim 2, wherein the substrate has a double-layer or multi-layer structure.

4. The grid test socket according to claim 3, wherein the characteristic impedance of the circuit board is 47.5 Ω -53 Ω.

5. The net testing seat according to claim 1, wherein the shore a hardness of the elastic portion is 10 degrees or more.

6. The net testing socket according to claim 5, wherein the base is provided with a mounting groove for mounting the elastic portion, and the substrate of the circuit board is provided with a through hole for the elastic portion to pass through.

7. The socket of claim 6, wherein the top surface of the resilient portion is flush with the top surface of the circuit board in the installed state.

8. The grid test socket according to claim 1, wherein the connection between the base and the circuit board is a detachable connection, and the connection between the circuit board and the test strip is a detachable connection.

9. The net testing socket according to claim 1, wherein the mounting portion and the conductive portion are integrally formed, and the connection between the conductive portion and the elastic portion is a detachable connection.

10. The net testing seat according to claim 1, wherein a positioning plate is arranged above the testing sheet, and the positioning plate is provided with a limiting groove for mounting a passive component.