CN216771912U - Novel quick digital transceiver module test fixture - Google Patents

Abstract

The utility model discloses a novel fast digital transceiver component testing fixture, comprising a base (1), at least two sets of single-station testing devices are arranged on the base (1), and the single-station testing devices comprise upper and lower corresponding devices The press-fit bracket mechanism and needle bed mechanism, the needle bed mechanism comprises a needle bed bottom plate (2) fixed on the base (1), and a needle bed front vertical plate (3) is fixed on the needle bed bottom plate (2) , the needle bed left vertical plate (4), the needle bed right vertical plate (5) and the needle bed rear vertical plate (6), the needle bed front vertical plate (3), the needle bed left vertical plate (4), the needle bed A needle setting plate (7) is fixed on the right vertical plate (5) and the needle bed rear vertical plate (6), and a floating plate (8) is arranged on the needle setting plate (7). The utility model can realize the fast plug-in connection of the digital transceiver components, reduce the time for manually inserting the connectors, improve the test efficiency, and at the same time realize the test requirements of the channel phase consistency index between the digital transceiver components.

Description

A New Fast Digital Transceiver Component Test Fixture

technical field

The utility model relates to the field of PCBA board testing equipment, in particular to a novel fast digital transceiver component testing fixture.

Background technique

PCBA, also known as printed circuit board assembly, is a combination of PCB, components and electronic accessories. It is a finished board obtained after an empty PCB board is loaded by SMT or after a DIP plug-in process. The hardware form of the digital transceiver component consists of a single PCBA, and the digital transceiver component in the following text refers to the PCBA with the digital transceiver function.

In the electrical performance and index test work of the existing digital transceiver components, the signal interface is mainly plugged manually, and the voltage detection is mainly performed by a multimeter to measure the voltage of the point of interest. In batch products, the test efficiency is relatively low. , which also has a certain impact on the consistency of the test results indicators.

In the patent CN202120017254.X, a PCBA board multi-station burning machine is disclosed, which includes a frame, a burning device, a burning board and a quick clamp. The frame includes a junction box, two vertical plates and a horizontal plate. Two The vertical plate is arranged on the junction box relatively parallel, the horizontal plate is vertically arranged between the two vertical plates, the side wall of the junction box is provided with a plurality of threading holes, and the side wall is also connected with The substrate, the writer is placed on the substrate, the programming plate includes a placing plate and a fixing plate, the fixing plate is fixedly connected with the box cover, the placing plate is arranged on the fixing plate, and the placement plate and the fixing plate are A test probe is arranged between, a quick clamp is installed in the middle of the horizontal plate, the quick clamp is connected with a pressure plate, and a pressure column is arranged on the pressure plate. The utility model has the advantages of simple structure and convenient operation. It only needs to place the PCBA board on the programming board and clamp it with a quick clamp to perform programming, and the device can perform programming of multiple PCBA boards at one time, which greatly improves the The work efficiency is improved, but the multi-station burner cannot achieve the purpose of eliminating tolerances.

Utility model content

The purpose of the utility model is to overcome the deficiencies of the prior art and provide a novel fast digital transceiver assembly test fixture, which can achieve fast testing, accurate measurement, and easy operation in the process of testing the electrical properties and indicators of a large number of digital transceiver components. Simple and simple, it can meet the requirements of one-key automatic test, timely monitoring, reducing test time and increasing test efficiency of the automated digital transceiver component test platform.

The purpose of this utility model is to achieve through the following technical solutions:

A new type of test fixture for fast digital transceiver components, including:

A base, on which at least two sets of single-station testing devices are arranged, the single-station testing devices include a press-fit bracket mechanism and a needle bed mechanism that are correspondingly arranged up and down, and the needle bed mechanism includes needles fixed on the base a bed bottom plate, on which 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, the needle bed front vertical plate, the needle bed left vertical plate, the needle bed The right vertical plate of the bed and the rear vertical plate of the needle bed are fixed with a needle setting plate, a floating plate is arranged on the needle setting plate, and four groups of floating plate floating components are arranged between the needle setting plate and the floating plate; The plate floating assembly includes a first shoulder screw, the floating plate is provided with a countersunk stepped hole, the needle setting plate is provided with a threaded hole, and the first shoulder screw is arranged in the countersunk stepped hole and the corresponding threaded hole Inside, a first spring is also sleeved on the first shoulder screw, and both ends of the first spring are respectively abutted with the needle setting plate and the floating plate.

Further, a low-frequency connector mechanism is provided on the needle bed bottom plate and on the inner side of the front vertical plate of the needle bed, and the low-frequency connector mechanism includes a low-frequency head fixing plate fixed on the needle bed bottom plate. The upper end of the low-frequency head penetrates the needle board, the low-frequency head fixing plate is provided with a low-frequency head floating plate, the low-frequency head floating plate is fixed with a low-frequency connector plug, and the upper side of the floating plate is provided with a low-frequency connector socket. The low-frequency connector plug is adapted to the low-frequency connector socket, and the low-frequency head fixing plate, the low-frequency head floating plate and the low-frequency connector plug together form a low-frequency connector floating assembly.

Further, the low-frequency connector floating assembly includes two second shoulder screws, the second shoulder screws are installed in the countersunk head holes of the low-frequency head floating plate, and the extension ends of the second shoulder screws are screwed together. In the low-frequency head fixing plate; the opposite surfaces of the low-frequency head fixing plate and the low-frequency head floating plate are provided with four groups of corresponding cylindrical holes, and the corresponding cylindrical holes are provided with second springs; A PCBA is placed on the LF head floating board.

Further, the press-fit bracket mechanism includes a bracket left vertical plate and a bracket right vertical plate fixed on the base, and a mounting plate is fixed on the upper side of the bracket left vertical plate and the bracket right vertical plate, and the front and rear sides of the mounting plate are fixed. A first quick clamp and a second quick clamp are respectively fixed, the output end of the first quick clamp is fixed with a movable pressure plate, the lower side of the movable pressure plate is fixed with a pressure rod installation plate, and the pressure rod installation plate is fixed with a movable pressure plate. Several pressing rods extend downward; the output end of the second quick clip is provided with a sliding mechanism.

Further, the sliding mechanism includes a pressure arm fixed on the output end of the second quick clip, a lifting mounting plate is fixed on the lower side of the pressure arm, and four sliding shafts in a rectangular array are fixed on the base. A bearing seat is sleeved on the sliding shaft, the bearing seat is fixed on the lifting mounting plate, the lower end of the pressing rod penetrates the lifting mounting plate, and a plurality of radio frequency connectors are fixed on the lifting mounting plate.

Further, 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 by a third shoulder screw.

Further, a left hub and a right hub are respectively fixed on the left and right outer sides of the lift mounting plate.

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

The beneficial effects of the present utility model:

1. A new type of fast digital transceiver assembly test fixture proposed by the utility model quickly compresses the PCBA to be tested through the first quick clip guiding and sliding mechanism, so that the voltage detection pogo pin on the needle placement board and the back connector of the PCBA are quickly disposable. Realize tight combination; the second quick clip can guide the signal interfaces of several RF connectors to quickly and blindly insert in place at one time, saving the time required to repeatedly connect the connectors when manually testing the PCBA;

2. Through the setting of the floating plate floating component, it can effectively eliminate the PCBA manufacturing tolerance, the PCBA itself connector assembly position tolerance, the assembly position error between the adapter plate in the needle bed and the PCBA to be tested, and the adapter press-fit mechanism in the fixture. Errors, etc., realize the self-adaptive floating function of the PCBA to be tested, and reduce the irreversible damage caused by the abnormal insertion force caused by the tolerance of the connectors;

3. The application object of the test fixture of the present utility model is a digital transceiver assembly, and at the same time, there are occasions where phase synchronization is required between the channels, so the utility model is composed of a double-station test fixture as a whole, and at the same time, in order to eliminate the influence of temperature consistency on the synchronization between boards , forced heat dissipation by axial flow fan.

Description of drawings

Fig. 1 is the first structural representation of the present utility model;

Fig. 2 is the second structural representation of the present utility model;

Fig. 3 is the third structural representation of the present utility model;

Figure 4 is a front view after removing a part of the parts;

Figure 5 is a schematic structural diagram of a floating plate floating assembly;

6 is a schematic structural diagram of a low-frequency connector floating assembly;

FIG. 7 is a schematic diagram of the installation of the radio frequency connector.

In the figure, 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 bed 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- The second shoulder screw, 16- the second spring, 17- the left vertical plate of the bracket, 18- the right vertical plate of the bracket, 19- mounting plate, 20- the first quick clamp, 21- the second quick clamp, 22- movable pressure plate, 23-Pressing rod mounting plate, 24-Pressing rod, 25-Lifting mounting plate, 26-Sliding shaft, 27-Bearing seat, 28-RF connector, 29-Left hub, 30-Right hub, 31-Bracket plate, 32 -Fan Mounting Plate, 33-Axial Fan, 34-PCBA, 35-Adapter Mounting Vertical Plate, 36-Adapter Floating Plate 36, 37-Pressure Arm.

Detailed ways

In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific embodiments of the present invention will now be described with reference to the accompanying drawings.

Embodiment 1. In this embodiment, as shown in FIG. 1 to FIG. 7 , a new type of test fixture for fast digital transceiver components includes a base 1, and at least two sets of single-station test devices are arranged on the base 1. The station testing device includes a press-fit bracket mechanism and a needle bed mechanism arranged up and down correspondingly. The needle bed mechanism includes a needle bed bottom plate 2 fixed on the base 1, and the needle bed front plate 3 is fixed on the needle bed bottom plate 2. , the needle bed left vertical plate 4, the needle bed right vertical plate 5 and the needle bed rear vertical plate 6, 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 is fixed with a needle setting plate 7, the needle setting plate 7 is provided with a floating plate 8, and four groups of floating plate floating assemblies are arranged between the needle setting plate 7 and the floating plate 8; the floating plate floating assembly includes The first shoulder screw 9, the floating plate 8 is provided with a countersunk head step hole, the needle setting plate 7 is provided with a threaded hole, and the first shoulder screw 9 is arranged in the countersunk head step hole and the corresponding threaded hole Inside, the first shoulder screw 9 is also sleeved with a first spring 10 , and both ends of the first spring 10 are in contact with the needle setting plate 7 and the floating plate 8 respectively.

In this embodiment, the countersunk stepped holes are opened at the four corners of the floating plate 8, and the first spring 10 is a compression spring. The pogo pins on the needle setting plate 7 realize self-adaptive alignment.

This embodiment is further configured as follows: a low frequency connector mechanism is provided on the needle bed base plate 2 and on the inner side of the needle bed front vertical plate 3 , and the low frequency connector mechanism includes a low frequency head fixing plate fixed on the needle bed base plate 2 11. The upper end of the low frequency head fixing plate 11 penetrates the needle plate 7, the low frequency head fixing plate 11 is provided with a low frequency head floating plate 12, and the upper side of the low frequency head floating plate 12 is provided with a low frequency connector plug 13, The floating plate 8 is provided with a low frequency connector socket 14, the low frequency connector plug 13 is adapted to the low frequency connector socket 14, the low frequency head fixing plate 11, the low frequency head floating plate 12 and the low frequency connector plug 13 are common. Form the low frequency connector floating assembly.

In this embodiment, the low frequency connector socket 14 is fixed on the PCBA 34 .

This embodiment is further configured as follows: the low-frequency connector floating assembly includes two second shoulder screws 15, the second shoulder screws 15 are installed in the countersunk holes of the low-frequency head floating plate 12, and the second shaft The extended end of the shoulder screw 15 is screwed into the low-frequency head fixing plate 11; the opposite surfaces of the low-frequency head fixing plate 11 and the low-frequency head floating plate 12 are provided with four groups of corresponding cylindrical holes, and the corresponding cylindrical holes are A second spring 16 is provided; a PCBA 34 is placed on the floating plate 8 and the low-frequency head floating plate 12 .

In this embodiment, through the setting of the low-frequency connector floating assembly, the self-adaptive mating fit between the low-frequency connector plug 13 and the low-frequency connector socket 14 is realized, and the low-frequency connector socket 14 is a digital transceiver component PCBA34 Fixed connector.

This embodiment is further configured as follows: the press-fit bracket mechanism includes a bracket left vertical plate 17 and a bracket right vertical plate 18 fixed on the base 1 , and the upper sides of the bracket left vertical plate 17 and the bracket right vertical plate 18 are fixed with installation Plate 19, the front and rear sides of the mounting plate 19 are respectively fixed with a first quick clip 20 and a second quick clip 21, the output end of the first quick clip 20 is fixed with a movable pressure plate 22, the lower side of the movable pressure plate 22 is fixed A pressing rod mounting plate 23 is fixed, and several pressing rods 24 are fixed on the pressing rod mounting plate 23 and extend downward; the output end of the second quick clip 21 is provided with a sliding mechanism.

In this embodiment, the first quick clamp 20 and the second quick clamp 21 adopt the prior art, which will not be repeated here; action.

This embodiment is further configured as follows: the sliding mechanism includes a pressure arm 37 fixed on the output end of the second quick clip 21 , the lower side of the pressure arm 37 is fixed with a lifting mounting plate 25 , and the base 1 is fixed with four There are two sliding shafts 26 in a rectangular array. A bearing seat 27 is sleeved on the sliding shaft 26. The bearing seat is fixed on the lifting mounting plate 25. The lower end of the pressing rod 24 penetrates the lifting mounting plate 25, so A plurality of radio frequency connectors 28 are fixed on the lift mounting plate 25 .

In this embodiment, the pressure arm 37 is a fork-shaped frame as a whole, the output end of the second quick clip 21 is fixed at the center intersection of the fork-shaped frame, and the lifting mounting plate 25 is a rectangular frame as a whole, and the rectangular frame The front side of the fork frame is open, the four corners of the rectangular frame are provided with round holes, the bearing seat 27 is installed in the round holes, and the four extension ends of the fork frame are fixed on the rectangular frame; The connectors 28 are arranged in two rows, and the RF connectors 28 are fixed on opposite sides of the rectangular frame; the second quick clip 21 drives the lifting mounting plate 25 to lift on the sliding shaft 26, so that the RF connectors 28 are adapted to the PCBA 34 .

In this embodiment, the radio frequency connector 28 is further provided with a flange, the flange is provided with a flange mounting hole, and the radio frequency connector 28 is fixed on the lifting mounting plate 25 by the third shoulder screw, so The length of the third shoulder screw is greater than the height of the flange on the RF connector 28 by 0.1 mm, and the outer diameter of the third shoulder screw is smaller than the outer diameter of the flange mounting hole.

In this embodiment, a plurality of rectangular grooves are formed on the lifting mounting plate 25, a column hole and two screw holes are formed in the middle of the rectangular groove, and the two screw holes are respectively located on both sides of the column hole; the The radio frequency connector 28 is installed in the rectangular slot and the column hole, and the third shoulder screw is screwed into the screw hole through the flange.

In this embodiment, it is further configured that: a left hub 29 and a right hub 30 are respectively fixed on the left and right outer sides of the lift mounting plate 25 .

This embodiment is further configured as follows: two oppositely arranged support plates 31 are fixed on the base 1 , and an obliquely arranged fan mounting plate 32 is fixed between the two support plates 31 . An axial flow fan 33 is fixed to the outside.

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

Embodiment 2. This embodiment is based on Embodiment 1:

This embodiment is further configured as follows: the needle bed base plate 2 is further fixed with two adapter mounting vertical plates 35 , and adapter floating plates 36 are fixed on the two adapter mounting vertical plates 35 . The needle setting plate 7 and the floating plate 8 are provided with a let-away groove, the adapter floating plate 36 is adapted to the let-away groove, and a plurality of adapters are fixed on the adapter floating plate 36 .

The working principle of the utility model:

Fix the PCBA 34 on the floating plate 8, and then drive the first quick clamp 20 and the second quick clamp 21 respectively, so that the PCBA to be tested is quickly pressed, so that the voltage detection pogo pin on the needle placement board and the back connector of the PCBA are quickly once Then, the PCB manufacturing tolerance, the connector assembly position tolerance of the PCBA itself, the assembly position error of the adapter plate in the needle bed and the PCBA to be tested, and the assembly error of the press-fit mechanism of the adapter in the fixture are eliminated through the floating plate floating component. etc., to realize the adaptive floating function of the PCBA to be tested.

The basic principles, main features and advantages of the present invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention There will also be various changes and improvements in the new model, which all fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (8)

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).

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