CN215529712U

CN215529712U - Lead cold test platform

Info

Publication number: CN215529712U
Application number: CN202121730209.5U
Authority: CN
Inventors: 郭家勇
Original assignee: Shanghai Dintek Electronics Co ltd
Current assignee: Shanghai Dintek Electronics Co ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2022-01-14
Anticipated expiration: 2031-07-28

Abstract

The utility model relates to a cold conduction test platform which comprises a case, a VPX case, a power supply module, a power supply filter and a constant temperature crystal oscillator, wherein the VPX case, the power supply module, the power supply filter and the constant temperature crystal oscillator are respectively arranged in the case; the front side of the case is provided with an indication panel, the rear side of the case is provided with a connector panel, the right side of the case is provided with an air inlet into which air flow enters, and the air inlet is arranged close to the front side of the case; the connector panel is provided with an air outlet for exhausting air flow, a fan is arranged at the air outlet, and the air flow sequentially passes through the air inlet, the VPX case, the case interior and the air outlet. The cold conduction test platform is simple in structural design, the non-standard VPX daughter board cards are adopted, the space between the daughter board cards can be selected, and the flexibility of operation is improved; the baffle plate is matched with the air inlet and the air outlet, so that uniform ventilation and heat dissipation in the case are ensured.

Description

Lead cold test platform

Technical Field

The utility model relates to the field of heat dissipation of electronic equipment, in particular to a cold conduction test platform.

Background

Along with the development of science and technology, the computing capability of electronic equipment is more and more powerful, and the heat dissipation of the equipment becomes a key; the existing cold conduction test platform is complex in structural design, single in operability and poor in test flexibility, the test efficiency is severely limited, and the operation difficulty of technicians is increased.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a cold conduction test platform which ensures uniform ventilation and heat dissipation of a system through air inlet at the right side and air outlet at the rear side of a case.

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

a cold conduction test platform structurally comprises a case, a VPX case, a power supply module, a power supply filter and a constant temperature crystal oscillator, wherein the VPX case, the power supply module, the power supply filter and the constant temperature crystal oscillator are respectively installed in the case; the front side of the case is provided with an indication panel, the rear side of the case is provided with a connector panel, the right side of the case is provided with an air inlet into which air flow enters, and the air inlet is arranged close to the front side of the case; the connector panel is provided with an air outlet for exhausting air flow, a fan is arranged at the air outlet, and the air flow sequentially passes through the air inlet, the VPX case, the case interior and the air outlet.

Furthermore, the VPX case comprises a bottom plate, a VPX mother plate, a VPX daughter plate and a cold guide plate, wherein the VPX daughter plate is installed on the VPX mother plate, the VPX mother plate is connected with the VPX daughter plate, and the VPX mother plate is connected with the power supply module through a connecting wire; the VPX mother board is vertically arranged on the bottom board, the two cold guide plates are vertically arranged on the bottom board close to the two ends of the VPX mother board, and the two cold guide plates are arranged in parallel; the cold guide plate is provided with a ventilation groove.

Furthermore, the VPX case is arranged close to the front side of the case, and the two cold guide plates are respectively arranged in parallel and on the left side and the right side of the case; two wind shields are connected between a cold guide plate and an air inlet of the VPX case close to the right side of the case, and a ventilation channel for connecting the air inlet and a ventilation groove is formed between the two wind shields; a wind shield is connected between the cold guide plate close to the right side of the chassis and the left side of the chassis of the VPX chassis, and the wind shield is arranged close to the front side of the chassis.

Further, the VPX motherboard comprises a daughter board interconnection module, an indication panel processing module and a power supply and connector panel interface module.

Furthermore, one surface of the VPX mother board close to the front side of the chassis is provided with a plug position for mounting the VPX daughter board.

Furthermore, a positioning guide pin is arranged at the inserting position.

Furthermore, one side of the cold guide plate is also provided with a guide rail for mounting the VPX daughter board, and the guide rail is mounted in the VPX case.

Furthermore, the indication panel is also provided with a handle, a power switch and a signal indication lamp, and the handle is arranged close to two sides of the case.

Furthermore, a power interface, a signal input interface, a signal output interface and a communication interface are arranged on the connector panel.

Compared with the prior art, the cold conduction test platform has the advantages that the structural design is simple, the nonstandard VPX daughter board cards are adopted, the distance between the daughter board cards can be selected, and the operation flexibility is improved; the baffle plate is matched with the air inlet and the air outlet, so that uniform ventilation and heat dissipation in the case are ensured.

Drawings

Fig. 1 is a schematic diagram of the internal structure of the chassis of the cold conduction testing platform of the present invention.

Fig. 2 is a schematic diagram of a VPX chassis structure according to the present invention.

FIG. 3 is a schematic structural diagram of a cold conduction test platform according to the present invention.

FIG. 4 is a front side schematic view of the cold conduction test platform of the present invention.

FIG. 5 is a rear side schematic view of the cold conduction test platform of the present invention.

FIG. 6 is a schematic diagram of a VPX daughter board structure on one side of a VPX mother board according to the present invention.

FIG. 7 is a schematic diagram of another side of the VPX motherboard according to the present invention.

FIG. 8 is a schematic view of the gas flow in the present invention.

In the figure, 1, a chassis; 2. a VPX chassis; 3. a power supply module; 4. a constant temperature crystal oscillator; 5. an indication panel; 6. a connector panel; 7. an air inlet; 8. a handle; 9. a power switch; 10. a signal indicator light; 11. a fan; 12. an air outlet; 13. a base plate; 14. a VPX motherboard; 15. inserting; 16. a cold conducting plate; 17. a ventilation slot; 18. a guide rail; 19. a wind deflector; 20. a ventilation channel; 21. a power supply filter; 22. a daughter board is clamped I; 23. a daughter board card II; 24. a daughter board card III; 25. and positioning the guide pin.

Detailed Description

The technical solution of the present invention is further described below with reference to specific embodiments:

a cold conduction test platform is shown in figures 1-5 and comprises a case 1, a VPX case 2, a power module 3, a power filter 21 and a constant temperature crystal oscillator 4, wherein the power filter is connected to the power module 3 through a circuit, and when the constant temperature crystal oscillator 4 is used, a customer carries out circuit connection according to the need; the VPX case 2, the power supply module 3, the power supply filter 21 and the constant temperature crystal oscillator 4 are respectively installed in the case 1. The front side of the case 1 is provided with an indication panel 5, the rear side of the case 1 is provided with a connector panel 6, the right side of the case 1 is provided with an air inlet 7 for air flow to enter, the air inlet 7 is arranged close to the front side of the case 1, and the VPX case 2 is arranged on the left side of the air inlet 7. As shown in fig. 4, the indication panel 5 is provided with a handle 8, a power switch 9 and a signal indicator light 10, and the handle 8 is disposed near two sides of the chassis 1. As shown in fig. 5, the connector panel 6 is provided with a power interface, a signal input interface, a signal output interface, and a communication interface, and specifically includes a power interface, a radio frequency access port, an external reference source access interface, a calibration output interface, a network communication interface, an RS422 interface, a signal ground interface, a security ground interface, and a 3A interface. An air outlet 12 is arranged in the middle of the connector panel 6, and a fan 11 is installed at the air outlet 12.

The VPX case 2 comprises a bottom plate 13, a VPX mother plate 14 and a cold guide plate 16, wherein the VPX mother plate 14 is connected with the power supply module 3 through a connecting wire; the VPX mother board 14 is vertically arranged on the bottom board 13, the two cold guide plates 16 are vertically arranged on the bottom board 13 close to the two ends of the VPX mother board 14, the two cold guide plates 16 are arranged in parallel, and the cold guide plates 16 are provided with ventilation grooves 17.

In order to ensure that the airflow sequentially passes through the air inlet 7, the VPX case 2, the inside of the case 1 and the air outlet 12, wind shields 19 are installed on two sides of the VPX case 2: two wind shields 19 are arranged on the right side of the VPX case 2, the two wind shields 19 are arranged between the VPX case 2 and the right side wall of the case in parallel, and a ventilation channel 20 for connecting the air inlet 7 and the ventilation groove 17 is formed between the two wind shields 19; on the left side of the VPX chassis 2, a wind screen 19 is arranged, the wind screen 19 is connected between the cold guide plate 16 on the left side of the VPX chassis and the left side wall of the chassis 1, and the wind screen 19 is arranged near the front side of the chassis. When the heat dissipation device is used, the fan 11 rotates, so that air flows through the air inlet 7, the ventilation channel 20, the VPX case 2, the inside of the case 1 and the air outlet 12, and uniform heat dissipation in the case 1 and the VPX case 2 is achieved, as shown by arrows in fig. 8.

The VPX mother board 14 comprises a daughter board interconnection module, an indication panel processing module and a power supply and connector panel interface module, and is respectively connected with the VPX daughter board, the indication panel, the power supply and the connector panel through three modules.

As shown in fig. 6, a plug position 15 for mounting the VPX daughter board is arranged on one side of the VPX mother board 14 close to the front side of the chassis, that is, on one side close to the indication panel, and the plug position 15 is provided with a positioning guide pin 25 for preventing a plug error; a guide rail 18 is further arranged on one side of the cold guide plate 16, the guide rail 18 is installed in the VPX cabinet, and when the VPX cabinet is used, a user inserts the non-standard VPX daughter board into the inserting position 15 from the position between the guide rails 18.

The VPX daughter board has three blocks, as shown in fig. 7, which are a daughter board card one 22, a daughter board card two 23, and a daughter board card three 24, where the daughter board card one 22 corresponds to a P0 interface, a P1 interface, a P2 interface, and a P6 interface, and the daughter board card two 23 and the daughter board card three 24 correspond to a P0 interface and a P6 interface. The P0 interface, the P1 interface, the P2 interface and the P6 interface are defined according to requirements.

As shown in fig. 7, one surface of the VPX motherboard 14 close to the rear side of the chassis has two external sockets XS1, such as RS422 and CAN, and the differential lines are designed with equal length and matched characteristic impedance, the VPX motherboard CAN transmit LVDS differential signals up to 3.25GHz, and the VPX motherboard is designed with a circuit that converts an SPI interface of a differential LVDS level into 8 parallel ports for output (indicator light) and a circuit that generates stable output signals from reset button pulses on an indicator panel.

An indicator light and a total reset socket XS2 of a special front panel, an emulation socket XS3 of an FPGA on a daughter board card and an emulation socket XS4 of a DSP on the daughter board card are further designed on one surface of the VPX motherboard close to the rear side of the case.

The present invention is further explained and not limited by the embodiments, and those skilled in the art can make various modifications as necessary after reading the present specification, but all the embodiments are protected by the patent law within the scope of the claims.

Claims

1. A cold conduction test platform is characterized by comprising a case, a VPX case, a power supply module, a power supply filter and a constant temperature crystal oscillator, wherein the VPX case, the power supply module, the power supply filter and the constant temperature crystal oscillator are respectively arranged in the case; the front side of the case is provided with an indication panel, the rear side of the case is provided with a connector panel, the right side of the case is provided with an air inlet into which air flow enters, and the air inlet is arranged close to the front side of the case; the connector panel department is equipped with air current exhaust air outlet, air outlet department is equipped with the fan, the air current passes through air intake, VPX quick-witted case, quick-witted incasement portion, air outlet in proper order.

2. The cold conduction test platform of claim 1, wherein the VPX chassis comprises a bottom plate, a VPX motherboard and a cold conduction plate, and the VPX motherboard is connected with the power supply module through a connecting wire; the VPX mother board is vertically arranged on a bottom board, the two cold guide plates are vertically arranged on the bottom board close to the two ends of the VPX mother board, and the two cold guide plates are arranged in parallel; and the cold guide plate is provided with a ventilation groove.

3. The cold conduction test platform of claim 2, wherein the VPX chassis is disposed near the front side of the chassis, and the two cold conduction plates are disposed in parallel and parallel to the left side and the right side of the chassis, respectively; two wind shields are connected between a cold guide plate and an air inlet of the VPX case close to the right side of the case, and a ventilation channel for connecting the air inlet and a ventilation groove is formed between the two wind shields; a wind shield is connected between the cold guide plate close to the right side of the chassis and the left side of the chassis of the VPX chassis, and the wind shield is arranged close to the front side of the chassis.

4. The cold conduction test platform of claim 2, wherein the VPX motherboard comprises a daughter board interconnection module, an indication panel processing module, and a power and connector panel interface module.

5. The cold conduction test platform of claim 2, wherein a surface of the VPX motherboard near the front side of the chassis is provided with a socket for mounting the VPX daughter board.

6. The cold conduction test platform according to claim 5, wherein a positioning guide pin is further provided at the insertion site.

7. The cold conducting test platform as claimed in claim 5, wherein one side of the cold conducting plate is further provided with a guide rail for mounting the VPX daughter board, and the guide rail is mounted in the VPX cabinet.

8. The cold conduction test platform according to claim 1, wherein a handle, a power switch and a signal indicator lamp are further arranged on the indication panel, and the handle is arranged close to two sides of the case.

9. The cold conduction test platform according to claim 1, wherein the connector panel is provided with a power interface, a signal input interface, a signal output interface and a communication interface.