CN215768899U

CN215768899U - Universal USB single-channel high-side power distribution switch testing device

Info

Publication number: CN215768899U
Application number: CN202122002412.7U
Authority: CN
Inventors: 刘若智
Original assignee: Shanghai Simat Microelectronics Technology Co ltd
Current assignee: Shanghai Simat Microelectronics Technology Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-02-08
Anticipated expiration: 2031-08-24

Abstract

The utility model discloses a universal USB single-channel high-side power distribution switch testing device which comprises a fixing frame with a rectangular frame-shaped structure, wherein four groups of end blocks are arranged at two ends of the fixing frame, the four groups of end blocks are symmetrically distributed by taking the fixing frame as the center, belt shaft holes are formed in the end blocks, two groups of mutually parallel belt shafts are inserted in the belt shaft holes in the four groups of end blocks, a watchband is sleeved on each belt shaft, a pin shaft hole and a threaded hole are formed in the fixing frame, the pin shaft hole and the threaded hole in the fixing frame correspond in position, two groups of mutually parallel bolts are arranged in the fixing frame, a threaded head is arranged at one end of each bolt, each bolt is inserted in the pin shaft hole, the threaded head is positioned in the threaded hole and is in threaded connection with the threaded hole, and a blood pressure monitoring device is arranged in the fixing frame. This general USB single channel high side distribution switch testing arrangement has the convenient advantage of dismantlement, is fit for generally using widely.

Description

Universal USB single-channel high-side power distribution switch testing device

Technical Field

The utility model belongs to the technical field of power distribution switch testing, and particularly relates to a universal USB single-channel high-side power distribution switch testing device.

Background

In modern life, with more than seven charging ports of electronic products such as mobile phones, PDAs, shaver, charger and notebook computers, the charging ports are different due to different requirements of charging current, voltage and product outline size of each product; the integrated circuit design company can provide various encapsulation, different output and input voltages, different power consumption currents and high-side power distribution switching devices with different load current sizes for matching with various performance requirements of downstream charging; after the wafer circuit of the high-side power distribution switch device is designed, the wafer circuit is provided for a wafer manufacturing company to manufacture, and a packaging test procedure is carried out on a manufactured wafer semi-finished product; in order to realize the high-efficiency utilization of capital and the scale benefit of a working procedure link and reduce the packaging link of packaging test, the modern integrated circuit manufacturing is generally finished by a professional packaging test company; on the basis, in a testing link, products with different PIN functions and different current and voltage sizes are formed according to the same packaging shape of the high-side power distribution switch device; each design company has different process procedures due to different FEB manufacturers, and finally generated wafer finished product design index parameters have different differences, and in the wafer finished product packaging process, because bonding machines of each company may be different, material parameters may be different, and process techniques may be different, product parameters may also be changed; and during specific testing, the types and models of the testing machines used for testing the high-side power distribution switching devices have various models according to different brands, such as STS8107, STS8200GD, STS8200F, ASL1000, TX861, TX862, CTA8208, B C3196, V50, CHROMA3360P, CHROMA 3360D, TR6836 and the like.

At present, in the test process of devices, if a relay fails, the whole device needs to be disassembled, then the device is detected, disassembled and assembled, the maintenance is troublesome, and the judgment time is long.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a universal USB single-channel high-side power distribution switch testing device to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a general USB single channel high side distribution switch testing arrangement, includes box body, the main control board of setting in the box body and connects the power supply module of box body, the box body is formed by upper cover and lower cover combination, the centre of upper cover and lower cover junction both sides face is the joint respectively has the straight hole of welding and the straight needle of welding of being connected with the main control board, the straight hole of welding is connected with the straight needle of connection, the straight needle of welding is connected with the straight hole of connection, the main control board passes through the screw fixation in the inner chamber of lower cover, and the top surface of main control board and the straight needle place tip vertically one end of welding install the ox horn looper, and the other end is provided with LED lamp, tribit charactron and DC joint, the centre of main control board still installs the plug-in relay through plug-in relay socket, is located still install the light touch switch on the main control board of plug-in relay towards welding board straight needle one side.

Preferably, the top ends of the LED lamp, the three-position nixie tube and the tact switch penetrate through the top surface of the upper cover box body, the LED lamp is a light emitting diode, and six groups are arranged in the linear array.

Preferably, the power supply assembly comprises a DC power supply connected with the DC connector, a telescopic cable connected with the other end of the DC power supply, and a three-core plug connected with the telescopic cable.

Preferably, the top surface of main control board still installs the crystal oscillator near the one end of welding the straight hole of board, is near the one end of welding the straight needle of board and installs bee calling organ, just install the paster relay between plug-in components relay and the ox horn looper.

Preferably, the position department that the top surface of main control board is close to the LED lamp installs the DIP of pin, and the top surface of main control board is located and dabs the switch and welds the straight hole of board and install the DIP of pin.

Preferably, the top surface of the plug-in relay socket is penetrated and tapped with pin holes arranged in a rectangular array, the bottom end of the plug-in relay is connected with pins in an integrated structure, and the pins are inserted into the pin holes.

Preferably, connect the straight needle and connect the straight hole and all include the outer frame of welding wire formula, a plurality of connecting pipes of welding wire formula outer frame one side of box body dorsad are connected by a plurality of manganese-copper alloy sampling resistance that are U type structure.

The utility model has the technical effects and advantages that: compared with the conventional device, the universal USB single-channel high-side power distribution switch testing device has the advantages that the plug-in relay socket is adopted on the main control board and is plugged with the plug-in relay, so that according to a self-checking result, if the corresponding relay connecting switch fails, the corresponding relay connecting switch can be directly plugged and replaced, the maintenance is convenient, three-position nixie tubes and 6 LED lamps are adopted in a matched mode to indicate whether different relay connecting switches fail, the accurate judgment is convenient, and the failed relay can be quickly found during the maintenance; an external independent DC12V is adopted for power supply during self-checking of the distribution box, so that maintenance and confirmation are facilitated; in addition, during self-checking of the distribution box, the connection straight needle and the connection straight hole are connected with an external independent manganese-copper alloy sampling resistor, so that the RDSON sampling of the channel is facilitated to be stable.

Drawings

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

FIG. 2 is a schematic diagram of the structure of the case according to the present invention;

FIG. 3 is a schematic diagram of a main control board structure according to the present invention;

fig. 4 is a schematic structural diagram of the plug-in relay of the present invention when separated from the plug-in relay receptacle.

FIG. 5 is a schematic diagram of a product test socket according to the present invention;

in the figure: 1. an upper cover; 2. a lower cover; 3. a tact switch; 4. a three-position nixie tube; 5. an LED lamp; 6. welding a plate straight needle; 7. a horn curved needle; 8. connecting a straight needle; 9. a three-core plug; 10. A telescopic cable; 11. a DC power supply; 12. a main control board; 13. crystal oscillation; 14. a patch relay; 15. a plug-in relay; 16. a buzzer; 17. a DC connector; 18. a plug-in relay socket; 19. a stitch; 20. a pinhole; 21. connecting the straight holes; 22. and welding straight holes on the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a universal USB single-channel high-side power distribution switch testing device comprises a box body, a main control board 12 arranged in the box body and a power supply assembly connected with the box body, wherein the box body is formed by combining an upper cover 1 and a lower cover 2, the upper cover 1 and the lower cover 2 are fixed through screws, a welding board straight hole 22 and a welding board straight needle 6 connected with the main control board 12 are respectively clamped between two side faces of the joint of the upper cover 1 and the lower cover 2, the welding board straight hole 22 is connected with a connecting straight needle 8, the welding board straight needle 6 is connected with a connecting straight hole 21, the connecting mode adopts a DB25 male head and female head matched plug-in connection mode, the service life of a connector is prolonged to the maximum extent, the main control board 12 is matched and adapted in pairs, the main control board 12 is fixed in an inner cavity of the lower cover 2 through screws, a horn bent needle 7 is installed at one end, perpendicular to the end portion of the top face of the main control board 12 and the welding board straight needle 6, and the other end is provided with an LED lamp 5, The three-position nixie tube 4 and the DC connector 17 are connected with a power supply assembly, a plug-in relay 15 is further installed in the middle of the main control board 12 through a plug-in relay socket 18, and the light touch switch 3 is further installed on the main control board 12 located on one side, facing the welding plate straight needle 6, of the plug-in relay 15.

Referring to fig. 1, the power supply module includes a DC power supply 11 connected to a DC connector 17, a retractable cable 10 connected to the other end of the DC power supply 11, and a three-pin plug 9 connected to the retractable cable 10, and the DC power supply 11 supplies power to an independent DC12V, thereby facilitating maintenance confirmation.

Referring to fig. 1-2, the top ends of the LED lamp 5, the three-position nixie tube 4 and the tact switch 3 all penetrate through the top surface of the box body of the upper cover 1, and corresponding digital labels are arranged on the upper cover 1, so that operation is convenient, the LED lamp 5 is a light emitting diode, six groups of linear arrays are arranged, and pins are fixed on the main control board 12.

Referring to fig. 3, crystal oscillator 13 is still installed to the top surface of main control board 12 near the one end of welding the straight hole 22 of board, provides stable pulse, and buzzer 16 is installed to the one end near welding the straight needle 6 of board for remind when the problem is out of order, and install paster relay 14 between plug-in components relay 15 and the ox horn looper 7, dry reed relay promptly, be used for preventing external environment signal interference and loop action crosstalk of itself, make operating condition fairly stable, guarantee the accuracy of measure data.

The position of the top surface of the main control board 12 close to the LED lamp 5 is provided with a DIP with 14 pins, and the position of the top surface of the main control board 12 between the tact switch 3 and the welding board straight hole 22 is provided with a DIP with 40 pins.

Referring to fig. 4, in order to realize the convenient disassembly of the plug-in relay 15, the pin holes 20 arranged in a rectangular array are penetrated through the top surface of the socket of the plug-in relay 15, the bottom end of the plug-in relay 15 is connected with pins 19 in an integrated structure, the pins 19 are inserted into the pin holes 20, and according to a self-checking result, if the corresponding relay connecting switch fails, the plug-in relay can be directly replaced in a plugging manner, and the maintenance is convenient.

Connect straight needle 8 and connect straight hole 21 and all include the outer frame of welding wire formula, a plurality of connecting pipes of welding wire formula outer frame one side of box body dorsad are connected by a plurality of manganin alloy sampling resistor that are U type structure, adopt external independent manganin alloy sampling resistor to be convenient for the stability of passageway RDSON sampling during self-checking.

Specifically, this general USB single channel high side distribution switch testing arrangement, functional operation explains:

1. the device has the impedance self-checking function of 72 contacts of each connecting point K1-K36 in a 6X 6-36-way channel, the buzzer 16 beeps continuously and the LEDs 1-LED6 light simultaneously when a RESET key is pressed for more than 3 seconds, and the three-digit tube 4 flickers for three times to form 888;

2. the single chip microcomputer program is adopted to control the three-position nixie tube 4 and the 6 LED lamps 5 to indicate the states of various distribution test boxes:

the three-position nixie tube 4 displays '000' and is long and bright, and represents that the impedance of each loop of the power distribution test box, namely the box body, is self-checked normally; the buzzer 16 does not sound;

the three-digit nixie tube 4 displays 'E01' and flickers at intervals while the LED1 lights 1S and goes out 1S, and represents a PIN1 loop FORCE end impedance self-check FAIL in the power distribution test box; if the three-position nixie tube 4 displays 'E01' and flashes at intervals while the LED1 lights 3S and goes out 3S, the impedance self-check FAIL of the SENSE end of the PIN loop in the power distribution test box is represented; after the buzzer 16 buzzes one sound, the buzzes continue at an interval of 3S;

and so on:

the three-digit nixie tube 4 displays 'E02' and flickers at intervals while the LED2 lights 1S and goes out 1S, and represents a PIN2 loop FORCE end impedance self-check FAIL in the power distribution test box; if the three-position nixie tube 4 displays 'E02' and flashes at intervals while the LED2 lights 3S and goes out 3S, the impedance self-check FAIL of the SENSE end of the PIN loop in the power distribution test box is represented; after the buzzer 16 beeps for two times, the beep is continued at an interval of 3S;

the three-digit nixie tube 4 displays 'E03' and flickers at intervals while the LED3 lights 1S and goes out 1S, and represents a PIN3 loop FORCE end impedance self-check FAIL in the power distribution test box; if the three-position nixie tube 4 displays 'E03' and flashes at intervals while the LED3 lights 3S and goes out 3S, the impedance self-check FAIL of the SENSE end of the PIN loop in the power distribution test box is represented; after the buzzer 16 beeps for three times, the beep continues at an interval of 3S;

the three-digit nixie tube 4 displays 'E04' and flickers at intervals while the LED4 lights 1S and goes out 1S, and represents a PIN4 loop FORCE end impedance self-check FAIL in the power distribution test box; if the three-position nixie tube 4 displays 'E04' and flashes at intervals while the LED4 lights 3S and goes out 3S, the impedance self-check FAIL of the SENSE end of the PIN loop in the power distribution test box is represented; after the buzzer 16 beeps four tones, beeping continuously at an interval of 3S;

the three-digit nixie tube 4 displays 'E05' and flickers at intervals while the LED5 lights 1S and goes out 1S, and represents a PIN5 loop FORCE end impedance self-check FAIL in the power distribution test box; if the three-position nixie tube 4 displays 'E05' and flashes at intervals while the LED5 lights 3S and goes out 3S, the impedance self-check FAIL of the SENSE end of the PIN loop in the power distribution test box is represented; after the buzzer 16 beeps five sounds, beeping is continued at an interval of 3S;

the three-digit nixie tube 4 displays 'E06' and flickers at intervals while the LED6 lights 1S and goes out 1S, and represents a PIN6 loop FORCE end impedance self-check FAIL in the power distribution test box; if the three-position nixie tube 4 displays 'E06' and flashes at intervals while the LED6 lights 3S and goes out 3S, the impedance self-check FAIL of the SENSE end of the PIN loop in the power distribution test box is represented; after the buzzer 16 beeps six beeps, beep is continued at an interval of 3S;

3. the double SITEs adopt DB25 male heads or female heads, so that the test station interfaces are conveniently plugged and the fool-proof function is realized;

4, the relay for the K1-K36 connection node is connected by adopting a relay seat, and if the self-checking fails, the corresponding relay is convenient to replace; the upper and lower shells are made of stainless steel, so that the anti-falling, extrusion and shielding effects are achieved; a 64PIN ox horn interface is adopted, so that the coordination and the supply of the source ports of a plurality of testing machines are facilitated; the external independent 12V direct current power supply is adopted during self-checking, so that the test box can be conveniently and independently checked, and the interference of a test system is avoided

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a general USB single channel high side distribution switch testing arrangement, includes box body, sets up main control board (12) in the box body and connects the power supply module of box body, its characterized in that: the box body is formed by combining an upper cover (1) and a lower cover (2), the middle of two side surfaces of the joint of the upper cover (1) and the lower cover (2) is respectively clamped with a welding plate straight hole (22) and a welding plate straight needle (6) which are connected with a main control board (12), the welding plate straight hole (22) is connected with a connecting straight needle (8), the welding plate straight needle (6) is connected with a connecting straight hole (21), the main control board (12) is fixed in the inner cavity of the lower cover (2) through screws, one end of the top surface of the main control board (12) which is vertical to the end part where the welding plate straight needle (6) is located is provided with a horn bent needle (7), the other end is provided with an LED lamp (5), a three-position nixie tube (4) and a DC connector (17), the middle of main control board (12) still installs plug-in components relay (15) through plug-in components relay socket (18), is located still install on plug-in components relay (15) towards main control board (12) of the straight needle (6) one side of weld plate and dabble switch (3).

2. The universal USB single-channel high-side power distribution switch testing apparatus according to claim 1, wherein: the top ends of the LED lamp (5), the three-position nixie tube (4) and the light touch switch (3) penetrate through the top surface of the box body of the upper cover (1), the LED lamp (5) is a light emitting diode, and six groups are arranged in a linear array.

3. The universal USB single-channel high-side power distribution switch testing apparatus according to claim 1, wherein: the power supply assembly comprises a DC power supply (11) connected with a DC joint (17), a telescopic cable (10) connected with the other end of the DC power supply (11) and a three-core plug (9) connected with the telescopic cable (10).

4. The universal USB single-channel high-side power distribution switch testing apparatus according to claim 1, wherein: the top surface of main control board (12) is close to the one end of welding the straight hole of board (22) and still installs crystal oscillator (13), is close to the one end of welding the straight needle of board (6) and installs bee calling organ (16), just install paster relay (14) between plug-in components relay (15) and ox horn curved needle (7).

5. The universal USB single-channel high-side power distribution switch testing device according to claim 2, wherein: the position department that the top surface of main control board (12) is close to LED lamp (5) installs the DIP of 14 feet, and the top surface of main control board (12) is located and dabs the DIP of switch (3) and install 40 feet between the straight hole (22) of welding plate.

6. The universal USB single-channel high-side power distribution switch testing apparatus according to claim 1, wherein: the plug-in relay is characterized in that the top surface of the plug-in relay (15) socket is penetrated and tapped with pin holes (20) arranged in a rectangular array, the bottom end of the plug-in relay (15) is connected with pins (19) in an integrated structure, and the pins (19) are inserted into the pin holes (20).

7. The universal USB single-channel high-side power distribution switch testing apparatus according to claim 1, wherein: the connecting straight needle (8) and the connecting straight hole (21) comprise a welding line type outer frame, and a plurality of connecting pipes on one side of the welding line type outer frame, which is back to the box body, are connected by a plurality of manganese-copper alloy sampling resistors with U-shaped structures.