CN218546929U

CN218546929U - Test circuit board

Info

Publication number: CN218546929U
Application number: CN202222187016.0U
Authority: CN
Inventors: 赵卫宇; 蔡威; 向绍兴; 陈玲玲; 付城阳; 孙纯; 向淑晴
Original assignee: Baipa Technology Wuhan Co ltd
Current assignee: Baipa Technology Wuhan Co ltd
Priority date: 2022-08-17
Filing date: 2022-08-17
Publication date: 2023-02-28
Anticipated expiration: 2032-08-17

Abstract

The utility model discloses a test circuit board relates to passive components and parts and detects technical field, including circuit board and electrically conductive contact, the top of circuit board is provided with test circuit, and the bottom of circuit board is provided with test base, and test base's top has seted up the spacing groove, and spacing inslot is provided with carries out spacing fixed subassembly to the circuit board, and has seted up heavy groove in the spacing groove, is provided with the heat extraction fan in the heavy groove. The utility model relates to a rational in infrastructure, arrange the circuit board in the spacing inslot, twist and move lead screw one and rotate, a lead screw rotation drives two first sliders and takes place relative motion along lead screw one, support tight board through two and can support tightly fixedly to the both sides of circuit board, then twist and move two rotations of lead screw, support tightly the board through two and carry out to the fastening and decide to the both sides side of circuit board, and then can realize fixing the circuit board in the test base, also can realize fixing not unidimensional circuit board simultaneously, can strengthen certain practicality.

Description

Test circuit board

Technical Field

The utility model relates to a passive components and parts detect technical field, specifically are a test circuit board.

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.

At present, a test circuit board in the prior art has patent numbers: CN202110838421.1, including base plate and conductive contact, the base plate includes relative base plate front and base plate back that sets up, and the base plate front is provided with pad and test circuit that are used for being connected with the test connector, and the pad is connected with the test circuit electricity, and conductive contact and test circuit correspond the contact and connect. According to the invention, the passive component to be tested is placed on the conductive contact element, the pin of the passive component is tightly connected with the conductive contact element, the conductive contact element is tightly connected with the test circuit on the substrate, and the passive component can be tested after being connected with the related monitoring equipment through the test connector, so that the passive component can be free of damage, good in contact, free of short circuit and reliable in operation during testing, the testing precision and the testing result are ensured, and the testing is time-saving and labor-saving; however, in practical use, certain disadvantages still exist, for example, when the substrate and the test base are fixed, the substrate and the test base are fixed by screws, and the positions of the screw holes are fixed, so that the substrate and the test base with different sizes are inconvenient to fix, and the practicability is low. To this end, we provide a test circuit board that solves the above problems.

SUMMERY OF THE UTILITY MODEL

One) technical problem to be solved

The utility model aims at providing a test circuit board in order to compensate the not enough of prior art.

II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a test circuit board, includes circuit board and electrically conductive contact, the top of circuit board is provided with test circuit, just the bottom of circuit board is provided with test base, spacing groove has been seted up on test base's top, spacing inslot is provided with carries out spacing fixed subassembly to the circuit board, just the heavy groove has been seted up to the spacing inslot, the heavy inslot is provided with the heat extraction fan.

Furthermore, counter bores are formed in two sides of the top end of the conductive contact piece, fixing screws are arranged in the counter bores, and screw holes matched with the fixing screws are formed in the circuit board corresponding to the counter bores.

Furthermore, positioning columns are arranged on two sides of the bottom end of the conductive contact piece, and positioning holes are formed in the circuit board and matched with the positioning columns.

Furthermore, the fixing assembly comprises a first screw rod and a second screw rod, the second screw rod is perpendicular to the first screw rod and is located at the bottom of the first screw rod, and a first sliding block and a second sliding block are respectively inserted into the outer portions of the two ends of the first screw rod and the outer portions of the two ends of the second screw rod.

Furthermore, the first sliding block and the second sliding block are respectively matched and slidably arranged in a first sliding groove and a second sliding groove which are formed in the test base, and the first sliding groove and the second sliding groove are vertically arranged.

Furthermore, the outer portions of the two ends of the first screw rod and the second screw rod are respectively provided with external threads with opposite rotation directions, and the first screw rod and the second screw rod are respectively in threaded connection with the two first sliding blocks and the two second sliding blocks through the external threads with opposite rotation directions.

Further, the top of first slider and second slider all is fixed to be provided with and supports tight board, the inboard of supporting tight board is provided with the cushion, the dorsal part of cushion is fixed to be provided with the fixture block of heavy pipeline T type, the fixture block cooperatees and sets up in the draw-in groove of seting up on supporting tight board.

Furthermore, the heat extraction fans are four, the four heat extraction fans are respectively located at included angles of the first sliding groove and the second sliding groove, and two sides of the test base are respectively communicated with the sinking grooves to form heat dissipation holes.

Thirdly), the beneficial effects are as follows:

compared with the prior art, the test circuit board has the following beneficial effects: the utility model discloses arrange the circuit board in the spacing inslot, twist and move lead screw one and rotate, a lead screw rotation drives two first sliders rather than threaded connection and takes place relative motion along lead screw one, it can support tightly fixedly to the both sides of circuit board to support through two, then twist and move two rotations of lead screw, it is fixed to support the fastening through two to support the both sides side of tight board to the circuit board, and then can realize fixing the circuit board in test base, also can realize fixing not unidimensional circuit board simultaneously, can strengthen certain practicality.

Drawings

FIG. 1 is a schematic view of the connection structure between the circuit board and the testing base of the present invention;

FIG. 2 is a schematic diagram of the position structure of the circuit board, the testing base and the conductive contact member of the present invention;

FIG. 3 is a schematic view of the fixing assembly of the present invention;

fig. 4 is a schematic view of the connection structure of the tightening plate and the cushion of the present invention.

In the figure: 1. a circuit board; 2. a conductive contact; 3. a test circuit; 4. testing the base; 5. a limiting groove; 6. a fixing assembly; 601. a first screw rod; 602. a second screw rod; 603. a first slider; 604. a second slider; 605. a first chute; 606. a second chute; 607. a propping plate; 608. a soft cushion; 609. a clamping block; 7. sinking a groove; 8. a heat exhaust fan; 9. a counter bore; 10. a screw hole; 11. a positioning column; 12. positioning holes; 13. and (4) heat dissipation holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.

As shown in fig. 1-4, the utility model provides a technical solution: the utility model provides a test circuit board, includes circuit board 1 and conductive contact 2, and the top of circuit board 1 is provided with test circuit 3, and the bottom of circuit board 1 is provided with test base 4, and spacing groove 5 has been seted up on test base 4's top, is provided with in the spacing groove 5 to carry out spacing fixed subassembly 6 to circuit board 1, and has seted up heavy groove 7 in the spacing groove 5, is provided with heat extraction fan 8 in the heavy groove 7.

Counter bores 9 are formed in the two sides of the top end of the conductive contact element 2, fixing screws are arranged in the counter bores 9, and screw holes 10 matched with the fixing screws are formed in the circuit board 1 corresponding to the counter bores 9.

The conductive contact element 2 can be fixedly connected with the circuit board 1 through the matching of the fixing screw and the screw hole 10.

Both sides of the bottom end of the conductive contact element 2 are provided with positioning columns 11, and the circuit board 1 is provided with positioning holes 12 matched with the positioning columns 11.

The positioning column 11 is matched with the positioning hole 12, so that the conductive contact piece 2 can be positioned and placed on the circuit board 1, and then the conductive contact piece 2 and the circuit board 1 are fixed through a fixing screw.

The fixing assembly 6 comprises a first screw rod 601 and a second screw rod 602, the second screw rod 602 is perpendicular to the first screw rod 601 and is positioned at the bottom of the first screw rod 601, and a first sliding block 603 and a second sliding block 604 are respectively inserted and connected to the outer parts of the two ends of the first screw rod 601 and the second screw rod 602; the first sliding block 603 and the second sliding block 604 are respectively matched and slidably arranged in a first sliding groove 605 and a second sliding groove 606 which are arranged on the test base 4, and the first sliding groove 605 and the second sliding groove 606 are vertically arranged; external threads with opposite rotation directions are arranged on the outer portions of the two ends of the first screw rod 601 and the second screw rod 602, and the first screw rod 601 and the second screw rod 602 are in threaded connection with the two first sliding blocks 603 and the two second sliding blocks 604 through the external threads with the opposite rotation directions respectively; the top ends of the first sliding block 603 and the second sliding block 604 are both fixedly provided with a abutting plate 607, the inner side of the abutting plate 607 is provided with a soft cushion 608, the back side of the soft cushion 608 is fixedly provided with a fixture block 609 of a sinking pipe T shape, and the fixture block 609 is arranged in a clamping groove formed in the abutting plate 607 in a matching manner.

Arranging the circuit board 1 in the limiting groove 5, screwing the first screw rod 601 to rotate, enabling the first screw rod 601 to rotate to drive the two first sliding blocks 603 in threaded connection with the first screw rod 601 to move relatively, abutting and fixing the two sides of the circuit board 1 through the two abutting plates 607, then screwing the second screw rod 602 to rotate, abutting and fixing the two sides of the circuit board 1 through the two abutting plates 607, further fixing the circuit board 1 in the test base 4, and meanwhile fixing the circuit boards 1 of different sizes can be achieved.

The number of the heat dissipation fans 8 is four, the four heat dissipation fans 8 are respectively located at the included angle between the first sliding groove 605 and the second sliding groove 606, and the two sides of the test base 4 are respectively communicated with the sinking groove 7 and are provided with heat dissipation holes 13.

Through the heat extraction fan 8 that is equipped with, can arrange the heat that produces 1 test procedure of circuit board and dispel, through the louvre 13 that is equipped with, can realize that heat extraction fan 8 and outside gas circulate.

The working principle is as follows: the conductive contact element 2 can be positioned and placed on the circuit board 1 through the matching of the positioning column 11 and the positioning hole 12, then the conductive contact element 2 and the circuit board 1 are fixed through a fixing screw, the circuit board 1 is placed in the limiting groove 5, the first screw rod 601 is screwed to rotate, the first screw rod 601 automatically rotates to drive the two first sliding blocks 603 in threaded connection with the first screw rod 601 to move relatively along the first screw rod 601, two sides of the circuit board 1 can be abutted and fixed through the two abutting plates 607, then the second screw rod 602 rotates, two sides of the circuit board 1 are abutted and fixed through the two abutting plates 607, further the circuit board 1 can be fixed in the test base 4, meanwhile, the circuit boards 1 with different sizes can be fixed, passive elements to be tested are placed on the conductive contact element 2, pins of the passive elements are tightly connected with the conductive contact element 2, the conductive contact element 2 is tightly connected with the test circuit 3 on the circuit board 1, and the passive elements can be tested after related monitoring equipment is connected through the test joints.

It should be noted that, in the present specification, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description of the present invention 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 "fixedly," "mounted," "connected," and "connected" are to be construed broadly, e.g., "mounted" may be a fixed connection, a removable connection, or an integral connection; "connected" may be mechanically or electrically connected; "connected" may be directly connected or indirectly connected through an intermediate medium, or may be a connection 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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 test circuit board comprising a circuit board (1) and electrically conductive contacts (2), characterized in that: the testing device is characterized in that a testing circuit (3) is arranged at the top end of the circuit board (1), a testing base (4) is arranged at the bottom of the circuit board (1), a limiting groove (5) is formed in the top end of the testing base (4), a fixing component (6) for limiting and fixing the circuit board (1) is arranged in the limiting groove (5), a sinking groove (7) is formed in the limiting groove (5), and a heat exhaust fan (8) is arranged in the sinking groove (7).

2. A test circuit board according to claim 1, wherein: counter bores (9) are formed in the two sides of the top end of the conductive contact element (2), fixing screws are arranged in the counter bores (9), and screw holes (10) matched with the fixing screws are formed in the circuit board (1) corresponding to the counter bores (9).

3. A test circuit board according to claim 1, wherein: both sides of the bottom end of the conductive contact element (2) are provided with positioning columns (11), and the circuit board (1) is matched with the positioning columns (11) to be provided with positioning holes (12).

4. A test circuit board according to claim 1, wherein: the fixing assembly (6) comprises a first screw rod (601) and a second screw rod (602), and the second screw rod (602) is perpendicular to the first screw rod (601) and is located at the bottom of the first screw rod (601).

5. A test circuit board according to claim 4, characterized in that: the outer parts of the two ends of the first screw rod (601) and the second screw rod (602) are respectively inserted with a first sliding block (603) and a second sliding block (604).

6. The test circuit board of claim 5, wherein: the first sliding block (603) and the second sliding block (604) are respectively matched and slidably arranged in a first sliding groove (605) and a second sliding groove (606) which are formed in the test base (4), and the first sliding groove (605) and the second sliding groove (606) are vertically arranged.

7. A test circuit board according to claim 5, wherein: the outer portions of two ends of the first screw rod (601) and the second screw rod (602) are respectively provided with external threads with opposite rotation directions, and the first screw rod (601) and the second screw rod (602) are in threaded connection with the two first sliding blocks (603) and the two second sliding blocks (604) through the external threads with the opposite rotation directions.

8. A test circuit board according to claim 5, wherein: the top ends of the first sliding block (603) and the second sliding block (604) are fixedly provided with abutting plates (607), and the inner sides of the abutting plates (607) are provided with soft pads (608).

9. A test circuit board according to claim 8, wherein: a T-shaped fixture block (609) of a sinking pipeline is fixedly arranged on the back side of the soft cushion (608), and the fixture block (609) is arranged in a clamping groove formed in the abutting plate (607) in a matched mode.

10. A test circuit board according to claim 1, wherein: the heat extraction fans (8) are four in number, the four heat extraction fans (8) are located at included angles of the first sliding groove (605) and the second sliding groove (606) respectively, and two sides of the test base (4) are communicated with the sinking groove (7) respectively and are provided with heat dissipation holes (13).