CN216771912U

CN216771912U - Novel quick digital transceiver module test fixture

Info

Publication number: CN216771912U
Application number: CN202123333786.3U
Authority: CN
Inventors: 邹淦
Original assignee: Chengdu Corpro Technology Co ltd
Current assignee: Chengdu Corpro Technology Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-06-17
Anticipated expiration: 2031-12-28

Abstract

The utility model discloses a novel rapid digital transceiver component test fixture, which comprises a base (1), wherein at least two groups of single-station test devices are arranged on the base (1), each single-station test device comprises a press-fit support mechanism and a needle bed mechanism which are arranged up and down correspondingly, each needle bed mechanism comprises a needle bed bottom plate (2) fixed on the base (1), a needle bed front vertical plate (3), a needle bed left vertical plate (4), a needle bed right vertical plate (5) and a needle bed rear vertical plate (6) are fixed on each needle bed bottom plate (2), needle placing plates (7) are fixed on the needle bed front vertical plates (3), the needle bed left vertical plates (4), the needle bed right vertical plates (5) and the needle bed rear vertical plates (6), and floating plates (8) are arranged on the needle placing plates (7). The utility model can realize the quick plug-in of the plug connector of the digital transceiving component, reduce the time for manually plugging the connector, improve the testing efficiency and simultaneously realize the testing requirement of the phase consistency index of the channels between the digital transceiving components.

Description

Novel quick digital transceiver module test fixture

Technical Field

The utility model relates to the field of PCBA board test equipment, in particular to a novel rapid digital transceiving component test fixture.

Background

A PCBA, also known as a printed circuit board assembly, is a combination of PCBs, components, and electronic accessories. The PCB is a finished board obtained after an empty PCB is subjected to SMT (surface mount technology) loading or a DIP (dual in-line package) process. The hardware form of the digital transceiver component is composed of a single PCBA, and the digital transceiver component is hereinafter referred to as the PCBA with the digital transceiver function.

In the existing digital transceiving component electrical property and index testing work, a signal interface is mainly manually inserted, voltage detection is mainly carried out voltage measurement of a focus through a universal meter, in batch products, the testing efficiency is low, and meanwhile, due to the insertion mode and manual operation, the consistency of testing results and indexes is also influenced to a certain extent.

In patent CN202120017254.X, disclose a PCBA board multistation burns record machine, including the frame, burn and write the ware, burn record board and quick anchor clamps, the frame is including dress line box, two risers and diaphragm, two the relative parallel arrangement of riser is in on the dress line box, the vertical two of locating of diaphragm between the riser, be equipped with a plurality of through wires holes on the lateral wall of dress line box, this lateral wall still is connected with the base plate, burn and write the ware place in on the base plate, burn record board including placing board and fixed plate, the fixed plate with lid fixed connection places the board and locates on the fixed plate, place and be equipped with test probe between board and the fixed plate, quick anchor clamps are installed the middle part of diaphragm, quick anchor clamps are connected with the clamp plate, be equipped with the compression leg on the clamp plate. The utility model discloses a simple structure, convenient operation only needs to place the PCBA board and presss from both sides tightly through quick anchor clamps on burning record board, can burn record to this device can once only carry out the burning record of a plurality of PCBA boards, very big improvement work efficiency, but this multistation burning record machine can not reach the purpose of eliminating the tolerance.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art, and provides a novel rapid digital transceiving component test fixture which can achieve the characteristics of rapid test, accurate measurement, simple operation and the like in the process of testing the electrical property and indexes of a large quantity of digital transceiving components, and meets the requirements of one-key automatic test, timely monitoring, test time reduction and test efficiency increase of an automatic digital transceiving component test platform.

The purpose of the utility model is realized by the following technical scheme:

a novel rapid digital transceiver component test fixture, comprising:

the needle bed mechanism comprises a needle bed bottom plate fixed on the base, a needle bed front vertical plate, a needle bed left vertical plate, a needle bed right vertical plate and a needle bed rear vertical plate are fixed on the needle bed bottom plate, needle plate placement is fixed on the needle bed front vertical plate, the needle bed left vertical plate, the needle bed right vertical plate and the needle bed rear vertical plate, floating plates are arranged on the needle plate placement, and four groups of floating plate floating assemblies are arranged between the needle plate placement and the floating plates; the floating plate floating assembly comprises a first shaft shoulder screw, a sunk step hole is formed in the floating plate, a threaded hole is formed in the needle plate, the first shaft shoulder screw is arranged in the sunk step hole and the corresponding threaded hole, a first spring is further sleeved on the first shaft shoulder screw, and two ends of the first spring are respectively abutted to the needle plate and the floating plate.

Furthermore, the needle bed bottom plate and the inner side of the front vertical plate of the needle bed are provided with a low-frequency connector mechanism, the low-frequency connector mechanism comprises a low-frequency head fixing plate fixed on the needle bed bottom plate, the upper end of the low-frequency head fixing plate penetrates through the needle plate, a low-frequency head floating plate is arranged on the low-frequency head fixing plate, a low-frequency connector plug is fixed on the low-frequency head floating plate, a low-frequency connector socket is arranged on the upper side of the floating plate, the low-frequency connector plug is matched with the low-frequency connector socket, and the low-frequency head fixing plate, the low-frequency head floating plate and the low-frequency connector plug jointly form a low-frequency connector floating assembly.

Furthermore, the low-frequency connector floating assembly comprises two second shoulder screws, the second shoulder screws are installed in the countersunk holes of the low-frequency head floating plate, and the extending ends of the second shoulder screws are screwed in the low-frequency head fixing plate; four groups of corresponding cylindrical holes are formed in the opposite surfaces of the low-frequency head fixing plate and the low-frequency head floating plate, and second springs are arranged in the corresponding cylindrical holes; PCBA is placed on the floating plate and the low-frequency head floating plate.

Further, the press-fit support mechanism comprises a support left vertical plate and a support right vertical plate which are fixed on the base, mounting plates are fixed on the upper sides of the support left vertical plate and the support right vertical plate, a first quick clamp and a second quick clamp are respectively fixed on the front side and the rear side of each mounting plate, a movable pressing plate is fixed at the output end of each first quick clamp, a pressing rod mounting plate is fixed on the lower side of each movable pressing plate, and a plurality of pressing rods are fixed on the pressing rod mounting plate and extend downwards; the output end of the second quick clamp is provided with a sliding mechanism.

Further, slide mechanism is including being fixed in the second and pressing from both sides the pressure arm on the output fast, the downside of pressure arm is fixed with the lift mounting panel, be fixed with four slide shafts that are the rectangle array on the base, the cover is equipped with the bearing frame on the slide shaft, the bearing frame is fixed in on the lift mounting panel, the downside end of pressure stick runs through the lift mounting panel, be fixed with a plurality of radio frequency connector on the lift mounting panel.

Furthermore, the radio frequency connector is provided with a flange, the flange is provided with a flange mounting hole, and the radio frequency connector is fixed on the lifting mounting plate through a third shaft shoulder screw.

Furthermore, a left concentrator and a right concentrator are respectively fixed on the left outer side and the right outer side of the lifting mounting plate.

Furthermore, two support plates which are arranged oppositely are fixed on the base, a fan mounting plate which is arranged obliquely is fixed between the two support plates, and an axial flow fan is fixed on the outer side of the fan mounting plate.

The utility model has the beneficial effects that:

1. the novel rapid digital transceiving component test fixture provided by the utility model rapidly compresses a PCBA to be tested through the first rapid clamp guide sliding mechanism, so that a voltage detection spring needle on the needle placing plate is rapidly and closely combined with a back joint of the PCBA at one time; the second quick clamp can guide signal interfaces of the radio frequency connectors to be quickly blind-plugged in place at one time, and time for repeatedly connecting the connectors during manual testing of the PCBA is saved;

2. through the arrangement of the floating plate floating assembly, the manufacturing tolerance of the PCBA, the assembly position tolerance of a connector of the PCBA, the assembly position error of a transfer plate in a needle bed and the PCBA to be tested, the assembly error of a press-fit mechanism of an adapter in a fixture and the like can be effectively eliminated, the self-adaptive floating function of the PCBA to be tested is realized, and the irreversible damage caused by abnormal plug-in force due to the matching tolerance of the connector to be tested to the connector is reduced;

3. the application object of the test fixture is a digital transceiving component, and the test fixture is used in the occasions with phase synchronization requirements among channels, so the test fixture is integrally formed by a double-station test fixture, and meanwhile, in order to eliminate the influence of temperature consistency on the synchronization among the plates, forced heat dissipation is carried out through an axial flow fan.

Drawings

FIG. 1 is a schematic view of a first configuration of the present invention;

FIG. 2 is a second schematic structural view of the present invention;

FIG. 3 is a schematic view of a third construction of the present invention;

FIG. 4 is an elevation view with a portion of the parts removed;

FIG. 5 is a schematic structural view of a floating plate assembly;

FIG. 6 is a schematic diagram of the structure of a low frequency connector float assembly;

fig. 7 is a schematic view of the installation of the rf connector.

In the drawing, 1-base, 2-needle bed bottom plate, 3-needle bed front vertical plate, 4-needle bed left vertical plate, 5-needle bed right vertical plate, 6-needle bed rear vertical plate, 7-needle placing plate, 8-floating plate, 9-first shoulder screw, 10-first spring, 11-low frequency head fixing plate, 12-low frequency head floating plate, 13-low frequency connector plug, 14-low frequency connector socket, 15-second shoulder screw, 16-second spring, 17-support left vertical plate, 18-support right vertical plate, 19-mounting plate, 20-first quick clamp, 21-second quick clamp, 22-movable pressing plate, 23-pressing rod mounting plate, 24-pressing rod, 25-lifting mounting plate, 26-sliding shaft, 27-bearing seat, 28-radio frequency connector, 29-left concentrator, 30-right concentrator, 31-support plate, 32-fan mounting plate, 33-axial flow fan, 34-PCBA, 35-adapter mounting vertical plate, 36-adapter floating plate 36 and 37-pressure arm.

Detailed Description

In order to more clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings.

In the first embodiment, as shown in fig. 1 to 7, a novel fast digital transceiver component test fixture includes a base 1, at least two sets of simplex position test devices are arranged on the base 1, each simplex position test device includes a press-fit support mechanism and a needle bed mechanism which are correspondingly arranged up and down, each needle bed mechanism includes a needle bed bottom plate 2 fixed on the base 1, a needle bed front vertical plate 3, a needle bed left vertical plate 4, a needle bed right vertical plate 5 and a needle bed rear vertical plate 6 are fixed on the needle bed bottom plate 2, needle bed placing plates 7 are fixed on the needle bed front vertical plate 3, the needle bed left vertical plate 4, the needle bed right vertical plate 5 and the needle bed rear vertical plate 6, floating plates 8 are arranged on the needle placing plates 7, and four sets of floating plate assemblies are arranged between the needle placing plates 7 and the floating plates 8; the floating plate floating assembly comprises a first shaft shoulder screw 9, a countersunk head step hole is formed in the floating plate 8, a threaded hole is formed in the needle plate 7, the first shaft shoulder screw 9 is arranged in the countersunk head step hole and the corresponding threaded hole, a first spring 10 is further sleeved on the first shaft shoulder screw 9, and two ends of the first spring 10 are respectively abutted to the needle plate 7 and the floating plate 8.

In this embodiment, countersunk head step holes are opened at four corners of the floating plate 8, and the first spring 10 is a compression spring, and through the floating plate floating component, the voltage monitoring pad in the digital transceiver component PCBA34 and the spring pin on the needle plate 7 are self-adaptive and aligned.

The embodiment is further configured as follows: the needle bed bottom plate 2 and the inner side of the needle bed front vertical plate 3 are provided with a low-frequency connector mechanism, the low-frequency connector mechanism comprises a low-frequency head fixing plate 11 fixed on the needle bed bottom plate 2, the upper end of the low-frequency head fixing plate 11 penetrates through the needle plate 7, a low-frequency head floating plate 12 is arranged on the low-frequency head fixing plate 11, a low-frequency connector plug 13 is arranged on the upper side of the low-frequency head floating plate 12, a low-frequency connector socket 14 is arranged on the floating plate 8, the low-frequency connector plug 13 is matched with the low-frequency connector socket 14, and the low-frequency head fixing plate 11, the low-frequency head floating plate 12 and the low-frequency connector plug 13 jointly form a low-frequency connector floating assembly.

In this embodiment, the low frequency connector receptacle 14 is secured to the PCBA 34.

The embodiment is further configured as follows: the low-frequency connector floating assembly comprises two second shoulder screws 15, the second shoulder screws 15 are installed in countersunk holes of the low-frequency head floating plate 12, and the extending ends of the second shoulder screws 15 are screwed in the low-frequency head fixing plate 11; four groups of corresponding cylindrical holes are formed in the opposite surfaces of the low-frequency head fixing plate 11 and the low-frequency head floating plate 12, and second springs 16 are arranged in the corresponding cylindrical holes; PCBA34 is placed on the floating plate 8 and the low frequency head floating plate 12.

In the embodiment, the low-frequency connector plug 13 and the low-frequency connector socket 14 are in self-adaptive plug-in fit through the arrangement of the low-frequency connector floating component, and the low-frequency connector socket 14 is a fixed connector on the digital transceiver component PCBA 34.

The embodiment is further configured as follows: the press-fit support mechanism comprises a support left vertical plate 17 and a support right vertical plate 18 which are fixed on a base 1, a mounting plate 19 is fixed on the upper side of the support left vertical plate 17 and the upper side of the support right vertical plate 18, a first quick clamp 20 and a second quick clamp 21 are respectively fixed on the front side and the rear side of the mounting plate 19, a movable pressing plate 22 is fixed at the output end of the first quick clamp 20, a pressing rod mounting plate 23 is fixed on the lower side of the movable pressing plate 22, and a plurality of pressing rods 24 are fixed on the pressing rod mounting plate 23 and extend downwards; the output end of the second quick clamp 21 is provided with a sliding mechanism.

In this embodiment, the first quick clamp 20 and the second quick clamp 21 are implemented by the prior art, and are not described herein again; the movable platen 22, the press bar mounting plate 23, and the press bar 24 are driven by the first quick clamp 20 to move up and down.

The embodiment is further configured as follows: slide mechanism is including being fixed in the second and pressing from both sides the pressure arm 37 on the 21 output fast, the downside of pressure arm 37 is fixed with lift mounting panel 25, be fixed with four slide shafts 26 that are the rectangle array on the base 1, the cover is equipped with bearing frame 27 on the slide shaft 26, the bearing frame is fixed in on the lift mounting panel 25, the downside end of pressure stick 24 runs through lift mounting panel 25, be fixed with a plurality of radio frequency connector 28 on the lift mounting panel 25.

In this embodiment, the pressure arm 37 is integrally a fork-shaped frame, the output end of the second quick clamp 21 is fixed at the central intersection of the fork-shaped frame, the lifting mounting plate 25 is integrally a rectangular frame, the front side of the rectangular frame is an opening, round holes are formed at four corners of the rectangular frame, the bearing block 27 is mounted in the round hole, and four extending ends of the fork-shaped frame are fixed on the rectangular frame; the radio frequency connectors 28 are arranged in two rows, and the radio frequency connectors 28 are fixed on two opposite sides of the rectangular frame; the lift mounting plate 25 is driven to raise and lower on the slide shaft 26 by the second snap clamp 21 so that the rf connector 28 conforms to the PCBA 34.

The embodiment is further configured as follows: the radio frequency connector 28 is provided with a flange, a flange mounting hole is formed in the flange, the radio frequency connector 28 is fixed on the lifting mounting plate 25 through a third shaft shoulder screw, the length of the third shaft shoulder screw is greater than the height of the flange on the radio frequency connector 28 by 0.1mm, and the outer diameter of the third shaft shoulder screw is smaller than that of the flange mounting hole.

In this embodiment, the lifting mounting plate 25 is provided with a plurality of rectangular grooves, the middle of each rectangular groove is provided with a column hole and two screw holes, and the two screw holes are respectively located at two sides of the column hole; the radio frequency connector 28 is mounted in the rectangular groove and the column hole, and the third shoulder screw penetrates through the flange and is screwed in the screw hole.

The embodiment is further configured as follows: a left hub 29 and a right hub 30 are fixed to the left and right outer sides of the elevating mounting plate 25, respectively.

The embodiment is further configured as follows: two opposite bracket plates 31 are fixed on the base 1, a fan mounting plate 32 which is obliquely arranged is fixed between the two bracket plates 31, and an axial flow fan 33 is fixed on the outer side of the fan mounting plate 32.

By the arrangement of the axial flow fan 33, the influence of temperature consistency on the synchronization between the plates is eliminated.

The second embodiment is based on the first embodiment:

the embodiment is further configured as follows: still be fixed with two adapter installation risers 35 on the needle bed bottom plate 2, two be fixed with adapter kickboard 36 on the adapter installation riser 35, set up the groove of stepping down on faller 7 and the kickboard 8, adapter kickboard 36 suits with the groove of stepping down, be fixed with a plurality of adapters on the adapter kickboard 36.

The working principle of the utility model is as follows:

fixing the PCBA34 on the floating plate 8, and then respectively driving the first quick clamp 20 and the second quick clamp 21 to quickly compress the PCBA to be detected, so that the voltage detection spring needle on the needle plate and the back connector of the PCBA are quickly and tightly combined at one time; and then, the floating plate floating assembly is used for eliminating the manufacturing tolerance of the PCB, the assembly position tolerance of a connector of the PCBA, the assembly position error of the adapter plate in the needle bed and the PCBA to be tested, the assembly error of a press-fit mechanism of the adapter in the clamp and the like, so that the self-adaptive floating function of the PCBA to be tested is realized.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A novel quick digital transceiving component test fixture is characterized by comprising:

the device comprises a base (1), wherein at least two groups of single-station testing devices are arranged on the base (1), each single-station testing device comprises a press-fit support mechanism and a needle bed mechanism which are arranged up and down correspondingly, each needle bed mechanism comprises a needle bed bottom plate (2) fixed on the base (1), a needle bed front vertical plate (3), a needle bed left vertical plate (4), a needle bed right vertical plate (5) and a needle bed rear vertical plate (6) are fixed on the needle bed bottom plate (2), needle placing plates (7) are fixed on the needle bed front vertical plate (3), the needle bed left vertical plate (4), the needle bed right vertical plate (5) and the needle bed rear vertical plate (6), floating plates (8) are arranged on the needle placing plates (7), and four groups of floating plate assemblies are arranged between the needle placing plates (7) and the floating plates (8); the floating plate floating assembly comprises a first shaft shoulder screw (9), a countersunk head step hole is formed in the floating plate (8), a threaded hole is formed in the needle plate (7), the first shaft shoulder screw (9) is arranged in the countersunk head step hole and the corresponding threaded hole, a first spring (10) is further sleeved on the first shaft shoulder screw (9), and two ends of the first spring (10) are respectively abutted to the needle plate (7) and the floating plate (8).

2. The novel rapid digital transceiver module test fixture of claim 1, wherein: the needle bed structure is characterized in that a low-frequency connector mechanism is arranged on the needle bed bottom plate (2) and on the inner side of the needle bed front vertical plate (3), the low-frequency connector mechanism comprises a low-frequency head fixing plate (11) fixed on the needle bed bottom plate (2), a needle plate (7) penetrates through the upper end of the low-frequency head fixing plate (11), a low-frequency head floating plate (12) is arranged on the low-frequency head fixing plate (11), a low-frequency connector plug (13) is fixed on the low-frequency head floating plate (12), a low-frequency connector socket (14) is arranged on the upper side of the floating plate (8), the low-frequency connector plug (13) is matched with the low-frequency connector socket (14), and the low-frequency head fixing plate (11), the low-frequency head floating plate (12) and the low-frequency connector plug (13) jointly form a low-frequency connector floating assembly.

3. The novel rapid digital transceiver module test fixture of claim 2, wherein: the low-frequency connector floating assembly comprises two second shoulder screws (15), the second shoulder screws (15) are installed in countersunk holes of the low-frequency head floating plate (12), and the extending ends of the second shoulder screws (15) are screwed in the low-frequency head fixing plate (11); four groups of corresponding cylindrical holes are formed in the opposite surfaces of the low-frequency head fixing plate (11) and the low-frequency head floating plate (12), and second springs (16) are arranged in the corresponding cylindrical holes; PCBAs (34) are placed on the floating plate (8) and the low-frequency head floating plate (12).

4. The novel rapid digital transceiver module test fixture of claim 1, wherein: the press-fit support mechanism comprises a support left vertical plate (17) and a support right vertical plate (18) which are fixed on a base (1), a mounting plate (19) is fixed on the upper sides of the support left vertical plate (17) and the support right vertical plate (18), a first quick clamp (20) and a second quick clamp (21) are respectively fixed on the front side and the rear side of the mounting plate (19), a movable pressing plate (22) is fixed on the output end of the first quick clamp (20), a pressing rod mounting plate (23) is fixed on the lower side of the movable pressing plate (22), and a plurality of pressing rods (24) are fixed on the pressing rod mounting plate (23) and extend towards the lower side; the output end of the second quick clamp (21) is provided with a sliding mechanism.

5. The novel rapid digital transceiver module test fixture of claim 4, wherein: slide mechanism is including being fixed in pressure arm (37) on the second quick clamp (21) output, the downside of pressure arm (37) is fixed with lift mounting panel (25), be fixed with four slide shafts (26) that are the rectangle array on base (1), the cover is equipped with bearing frame (27) on slide shaft (26), the bearing frame is fixed in on lift mounting panel (25), the downside end of pressure stick (24) runs through lift mounting panel (25), be fixed with a plurality of radio frequency connector (28) on lift mounting panel (25).

6. The novel rapid digital transceiver module test fixture of claim 5, wherein: the radio frequency connector (28) is provided with a flange, a flange mounting hole is formed in the flange, and the radio frequency connector (28) is fixed on the lifting mounting plate (25) through a third shaft shoulder screw.

7. The novel rapid digital transceiver module test fixture of claim 5, wherein: the left outer side and the right outer side of the lifting mounting plate (25) are respectively fixed with a left concentrator (29) and a right concentrator (30).

8. The novel rapid digital transceiver module test fixture of claim 1, wherein: the base (1) is fixed with two relatively set up mounting panel (31), two be fixed with fan mounting panel (32) that an slope set up between mounting panel (31), the outside of fan mounting panel (32) is fixed with axial fan (33).