CN216600226U

CN216600226U - Printed circuit board for testing signal precision

Info

Publication number: CN216600226U
Application number: CN202220072350.9U
Authority: CN
Inventors: 刘继承; 黄孟良; 邹乾坤
Original assignee: Guangdong Champion Asia Electronics Co ltd
Current assignee: Huizhou Junya Precision Circuit Co ltd
Priority date: 2022-01-12
Filing date: 2022-01-12
Publication date: 2022-05-24
Anticipated expiration: 2032-01-12

Abstract

The utility model discloses a test signal precision printed wiring board relates to the circuit board field, relies on the outer piece of metal gain to improve signal receiving and dispatching performance to current signal test equipment and leads to the higher problem of equipment cost, now proposes following scheme, and it includes the circuit board and is used for the fixed fixture of circuit board, its characterized in that, the circuit board is trapezoidal setting, fixture includes base and briquetting, just base and briquetting profile all are the hexagon, the recess has been seted up on the top of base, just the bottom of briquetting is six prismoid forms and sets up, the bottom of six prismoid forms is provided with spacing platform, just the recess is matchd with the bottom of briquetting and cup joints, the circuit board is the annular array distribution about the base and has six groups. The utility model discloses novel structure, the device is effectual has solved current signal test equipment and has relied on the metal gain outer part to improve signal receiving and dispatching performance and lead to the higher problem of equipment cost.

Description

Printed circuit board for testing signal precision

Technical Field

The utility model relates to a circuit board field especially relates to a test signal precision printed wiring board.

Background

The signal test electronic device needs to install related electronic components on a circuit board, wherein a signal transceiving component is a core component of the signal test device, however, in order to improve the detection accuracy of the signal test device, some auxiliary components, such as a metal housing for signal collection, are often required to be added, which increases the cost of the signal test device, but a printed circuit board used by the signal test device itself contains a large-area copper foil layer, which can reflect signals, but cannot be effectively utilized, so that in order to optimize the above problems, a printed circuit board for testing the signal accuracy is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of test signal precision printed wiring board has solved current signal test equipment and has relied on the outer piece of metal gain to improve signal receiving and dispatching performance and lead to the higher problem of equipment cost.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a test signal precision printed wiring board, includes the circuit board and is used for the fixed fixture of circuit board, the circuit board is trapezoidal setting, fixture includes base and briquetting, just base and briquetting profile all are the hexagon, the recess has been seted up on the top of base, just the bottom of briquetting is six arris platform forms and sets up, the bottom of six arris platforms is provided with spacing platform, just the recess is matchd with the bottom of briquetting and is cup jointed, the circuit board is annular array distribution about the base and has six groups.

Preferably, six groups of circuit boards are arranged in a horn shape, and the side edges of two adjacent groups of circuit boards are attached.

Preferably, the base is located the recess and has seted up six screw holes, just the screw hole is located base edges and corners and is that annular array distributes and have six groups, the base is located the recess middle part and has seted up the round hole, just the briquetting corresponds screw hole and round hole department and all has seted up the counter bore.

Preferably, six groups of first countersunk head screws and second countersunk head screws are arranged between the base and the pressing block, the first countersunk head screws penetrate through the counter bores and are in threaded connection with the threaded holes, and the second countersunk head screws penetrate through the counter bores and the round holes.

Preferably, the bottom both sides corner of circuit board all is provided with the golden finger, just the strip groove has all been seted up to the bottom edge department of briquetting, the bar inslot is inlayed and is had the copper bar, just the copper bar is with two sets of adjacent golden finger electric connection.

Preferably, the bottom edge of the circuit board is contacted with the side edge of the limiting table.

The utility model has the advantages that:

1. the device is through six trapezoidal circuit boards piece together loudspeaker column structure, utilizes the receiving and dispatching performance of the large tracts of land copper foil layer reinforcing signal on the circuit board, removes external signal gain annex of traditional metal and relevant mounting structure from, has reduced equipment manufacturing cost.

2. The device carries out centre gripping and installation location to the circuit board through injection moulding's base and briquetting, reduces the device's the equipment degree of difficulty, and the device both can be produced in order to reduce the volume improvement storage transportation convenience with the form of accessory package, also can directly produce the equipment and be the finished product.

3. The device sets up the golden finger on the circuit board, inlays the copper bar at the edges and corners department of briquetting, through the centre gripping of base and briquetting to the circuit board for the golden finger intercommunication of different circuit boards is with the copper bar, makes to realize the communication between the different circuit boards, and simple structure is reliable.

In conclusion, the device effectively solves the problem that the existing signal testing equipment relies on a metal gain external part to improve the signal receiving and transmitting performance, so that the equipment cost is high.

Drawings

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

Fig. 2 is an exploded view of the present invention.

Fig. 3 is a schematic structural diagram of the pressing block of the present invention.

Reference numbers in the figures: 1. a base; 101. a groove; 102. a circular hole; 103. a threaded hole; 2. briquetting; 201. a counter bore; 202. a limiting table; 203. a strip-shaped groove; 204. a copper bar; 205. a first countersunk screw; 206. a second countersunk screw; 3. a circuit board; 301. a golden finger.

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.

Referring to fig. 1-3, a printed circuit board for testing signal accuracy comprises a circuit board 3 and a clamping mechanism for fixing the circuit board 3, wherein the circuit board 3 is in a trapezoidal arrangement, the clamping mechanism comprises a base 1 and a pressing block 2, the outlines of the base 1 and the pressing block 2 are hexagonal, a groove 101 is formed in the top end of the base 1, the bottom end of the pressing block 2 is in a hexagonal frustum shape, a limiting platform 202 is arranged at the bottom end of the hexagonal frustum, the groove 101 is in matched sleeve joint with the bottom end of the pressing block 2, six groups of circuit boards 3 are distributed on the base 1 in an annular array manner, the six groups of circuit boards 3 are in a horn-shaped arrangement, the side edges of two adjacent groups of circuit boards 3 are attached, and the bottom edges of the circuit boards 3 are in contact with the side edges of the limiting platform 202;

the device splices into loudspeaker column structure through six trapezoidal circuit boards 3, utilize the receiving and dispatching performance of the large tracts of land copper foil layer reinforcing signal on the circuit board 3, remove the signal receiving and dispatching auxiliary member and the relevant mounting structure of traditional "pot" type from, equipment manufacturing cost has been reduced, and carry out centre gripping and installation location to circuit board 3 through injection moulding's base 1 and briquetting 2, reduce the device's the equipment degree of difficulty, the device both can produce in the form of accessory package and store the transportation convenience in order to reduce the volume improvement, also can directly produce the equipment and be the finished product.

The base 1 is positioned in a groove 101 and is internally provided with six groups of threaded holes 103, the threaded holes 103 are positioned at edges of the base 1 and are distributed in an annular array manner, the base 1 is positioned in the middle of the groove 101 and is provided with a round hole 102, a pressing block 2 is provided with counter bores 201 corresponding to the threaded holes 103 and the round hole 102, six groups of first counter screws 205 and second counter screws 206 are arranged between the base 1 and the pressing block 2, the first counter screws 205 penetrate through the counter bores 201 and are in threaded connection with the threaded holes 103, the second counter screws 206 penetrate through the counter bores 201 and the round holes 102, the corners at two sides of the bottom end of the circuit board 3 are provided with golden fingers 301, the edges of the bottom end of the pressing block 2 are provided with strip grooves 203, copper bars 204 are embedded in the strip grooves 203, and the copper bars 204 are electrically connected with two adjacent groups of golden fingers 301;

the device sets up golden finger 301 on circuit board 3, inlay copper bar 204 at the edges and corners of briquetting 2, through base 1 and briquetting 2 to the centre gripping of circuit board 3, make copper bar 204 with the golden finger 301 intercommunication of different circuit boards 3, make and realize the communication between the different circuit boards 3, moreover, the steam generator is simple in structure and reliable, it all is provided with a set of first countersunk screw 205 to correspond each pressfitting department in the device, ensure that the pressfitting is reliable between copper bar 204 and the golden finger 301, second countersunk screw 206 runs through whole structure and is responsible for being connected of the device and other structures.

The working principle is as follows: the device takes the base 1 and the pressing block 2 as clamps, the circuit board 3 is spliced in a horn shape, the opening shape of the structure and a large-area copper foil layer on the circuit board 3 are utilized, the purpose of replacing the traditional metal signal gain external accessory is achieved, and the production cost is saved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a test signal precision printed wiring board, includes circuit board (3) and is used for circuit board (3) fixed fixture, a serial communication port, circuit board (3) are trapezoidal setting, fixture includes base (1) and briquetting (2), just base (1) and briquetting (2) profile all are the hexagon, recess (101) are seted up on the top of base (1), just the bottom of briquetting (2) is six prismatic table form settings, the bottom of six prismatic tables is provided with spacing platform (202), just recess (101) are matchd with the bottom of briquetting (2) and are cup jointed, circuit board (3) are the annular array distribution about base (1) and have six groups.

2. The printed circuit board for testing signal accuracy according to claim 1, wherein six groups of circuit boards (3) are arranged in a trumpet shape, and two adjacent groups of circuit boards (3) are attached to each other at the side edges.

3. The printed circuit board for testing the signal accuracy according to claim 1, wherein the base (1) is provided with six groups of threaded holes (103) in a groove (101), the threaded holes (103) are arranged at the edges of the base (1) and distributed in an annular array, the base (1) is provided with six groups of circular holes (102) in the middle of the groove (101), and the pressing block (2) is provided with counter bores (201) corresponding to the threaded holes (103) and the circular holes (102).

4. The printed circuit board for testing the signal accuracy according to claim 3, wherein six groups of first countersunk head screws (205) and second countersunk head screws (206) are arranged between the base (1) and the pressing block (2), the first countersunk head screws (205) penetrate through the countersunk holes (201) to be in threaded connection with the threaded holes (103), and the second countersunk head screws (206) penetrate through the countersunk holes (201) and the round holes (102).

5. The printed circuit board for testing the signal accuracy according to claim 1, wherein the two corners of the bottom end of the circuit board (3) are provided with gold fingers (301), the edge of the bottom end of the pressing block (2) is provided with a strip-shaped groove (203), a copper bar (204) is embedded in the strip-shaped groove (203), and the copper bar (204) is electrically connected with two adjacent groups of gold fingers (301).

6. A test signal accuracy printed wiring board according to claim 1, wherein the bottom edge of the wiring board (3) is in contact with the side edge of the position limiting table (202).