CN214041559U

CN214041559U - Be used for base station antenna to produce line test and go up electric box in parallel

Info

Publication number: CN214041559U
Application number: CN202023103969.1U
Authority: CN
Inventors: 丁仁宝; 鲍坤; 周建华; 毛小莲
Original assignee: Shanghai Hollywell Electronic System Technology Co ltd
Current assignee: Shanghai Hollywell Electronic System Technology Co ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-08-24
Anticipated expiration: 2030-12-22

Abstract

The application discloses a parallel power box for testing a base station antenna production line, which comprises two input plugs and one output plug; the two input plugs are connected with two different direct current power supplies simultaneously or respectively; the output plug is connected with a load. The technical effect that this application was got is that realized the incessant power supply of the product that awaits measuring when circulating between the station, can let the product that awaits measuring preheat in order to reach testable condition in advance to test time has been reduced greatly. In addition, the multi-power-supply mutual charging can be prevented.

Description

Be used for base station antenna to produce line test and go up electric box in parallel

Technical Field

The present application relates to an apparatus for simultaneously powering a plurality of base station antennas.

Background

When the base station antenna is tested at present, one base station antenna is preheated and tested at the same station, and then the next base station antenna is preheated and tested at the same station, so that the testing time of a single base station antenna is long and the efficiency is low.

Disclosure of Invention

The technical problem that this application will be solved provides a box of electrifying in parallel, can preheat next base station antenna that awaits measuring when testing a base station antenna. Therefore, after the test of the last base station antenna is completed, the preheated next base station antenna can be directly tested, the test time of a single base station antenna is greatly reduced, and the test efficiency is greatly improved.

In order to solve the technical problem, the parallel power box for the base station antenna production line test comprises two input plugs and one output plug; the two input plugs are connected with two different direct current power supplies simultaneously or respectively; the output plug is connected with a load. The circuit structure is designed to realize switching power supplies in an uninterrupted power supply mode.

Further, the two input plugs are respectively a left plug and a right plug; the output plug is a middle plug. This is an example of a three plug position design.

Furthermore, the parallel power-on box for the base station antenna production line test further comprises an anti-reverse diode and a wiring copper sheet. Two pairs of anti-reverse diodes are arranged; two wiring copper sheets are arranged and are fixed on the anti-reverse diode; the anodes of the first pair of anti-reverse diodes are in short circuit through a first wiring copper sheet, and the cathodes of the second pair of anti-reverse diodes are in short circuit through a second wiring copper sheet. The positive pole of the left plug is connected with the left positive pole of the second pair of anti-reverse diodes, and the negative pole of the left plug is connected with the left negative pole of the first pair of anti-reverse diodes; the positive pole of the right plug is connected with the right positive pole of the second pair of anti-reverse diodes, and the negative pole of the right plug is connected with the right negative pole of the first pair of anti-reverse diodes; the positive pole of the middle plug is connected with a first wiring copper sheet in the middle of the first pair of anti-reverse diodes, and the negative pole of the middle plug is connected with a second wiring copper sheet in the middle of the second pair of anti-reverse diodes. This is an example of a mechanical connection between a plug, an anti-reverse diode, and a wiring copper sheet, the anti-reverse diode being used to prevent charging between different dc power sources.

Furthermore, the parallel power supply box for the base station antenna production line test further comprises a plug mounting frame and a socket mounting screw; the plug is fixed on the plug mounting frame through the socket mounting screw. The plug mounting bracket can firmly fix the plug.

Furthermore, the parallel power-on box for the base station antenna production line test further comprises a wiring screw; the wiring screw is used for connecting the plug and the anti-reverse diode, and the wiring copper sheet and the anti-reverse diode. The binding screw makes the mechanical connection relationship between the above structures more stable.

Furthermore, the parallel power-on box for the base station antenna production line test further comprises an external shield and mounting and fixing screws; the outer shield covers the outside of the plug mounting bracket and is fixed by mounting and fixing screws. The external shield plays a certain role in protecting the whole product.

Furthermore, in the parallel power-on box for the base station antenna production line test, only one input plug is connected with a first power supply, and the first power supply is used for independently supplying power to a load; or the two input plugs are respectively connected with the first power supply and the second power supply, and the first power supply and the second power supply simultaneously supply power to the load; or the other input plug is connected with the second power supply, and the second power supply is used for independently supplying power to the load. The three power supply situations of the whole product can be switched to realize uninterrupted power supply.

Further, the power supply is an internal power supply of the test equipment, and the power supply is an external power supply of the test equipment. Therefore, the same product to be tested can be seamlessly switched between the external power supply of the test equipment and the internal power supply of the test equipment.

Further, the power supply is a power supply of the test station, and the power supply is a power supply of the preheating station. Therefore, when one product to be tested is powered by the power supply of the testing station, the other product to be tested is powered by the power supply of the preheating station, so that the two products to be tested are powered on in parallel, and the testing time is saved.

The technical effect that this application was got is that realized the incessant power supply of the product that awaits measuring when circulating between the station, can let the product that awaits measuring preheat in order to reach testable condition in advance to test time has been reduced greatly. In addition, the multi-power-supply mutual charging can be prevented.

Drawings

Fig. 1 is an exploded view of the overall structure of a parallel charging box for a base station antenna production line test according to the present invention.

Fig. 2 is a schematic diagram of the mechanical connection relationship of the anti-reverse diode.

Fig. 3 is a schematic diagram of the electrical connection relationship of the anti-reverse diode.

Fig. 4 to 6 are schematic diagrams of the current flow for three power supply situations.

Fig. 7 is a schematic diagram of an application scenario.

Fig. 8 to 10 are schematic connection diagrams of three power supply situations in the application scenario shown in fig. 7.

The reference numbers in the figures illustrate: the testing device comprises a 1 anti-reverse diode, a 1a first pair of anti-reverse diodes, a 1b second pair of anti-reverse diodes, a 2 wiring screw, a 3 plug mounting frame, a 4 plug, a 41 left plug, a 42 middle plug, a 43 right plug, a 5 wiring copper sheet, a 51 first wiring copper sheet, a 52 second wiring copper sheet, a 6 heat dissipation bottom plate, a 7 socket mounting screw, an 8 external shield, a 9 mounting and fixing screw, a 11 to-be-tested product, a 12 to-be-tested product carrier, a 13 parallel power-on box, a 15 external bearing platform and a 16 testing device.

Detailed Description

Referring to fig. 1, the parallel charging box for a base station antenna production line test provided by the present application includes an anti-reverse diode 1, a connection screw 2, a plug mounting bracket 3, a plug 4, a connection copper sheet 5, a heat dissipation base plate 6, a socket mounting screw 7, an external shield 8, and a mounting fixing screw 9.

Referring to fig. 1 to 3, there are two pairs of anti-reverse diodes 1, which mainly prevent the reverse current from flowing and protect the circuit. The first and second pairs of anti-reverse diodes 1a, 1b are each fixed to the heat sink base plate 6, for example by screws. The binding screw 2 is mainly used for connecting the plug 4 with the anti-reverse diode 1, the binding copper sheet 5 and the anti-reverse diode 1. The plug mount 3 functions to support the plug 4. The plug 4 has three parts, namely a left part, a middle part and a right part. The left plug 41 and the right plug 43 are input plugs and are respectively connected with two different direct current power supplies, namely a power supply I and a power supply II, or can be connected with the same direct current power supply. The positive pole of the left plug 41 is connected with the left positive pole of the second pair of anti-reverse diodes 1b by the binding screw 2, and the negative pole of the left plug 41 is connected with the left negative pole of the first pair of anti-reverse diodes 1a by the binding screw 2. The positive pole of the right plug 43 is connected with the right positive pole of the second pair of anti-reverse diodes 1b by the binding screw 2, and the negative pole of the right plug 43 is connected with the right negative pole of the first pair of anti-reverse diodes 1a by the binding screw 2. The intermediate plug 42 is an output plug for carrying a load. The positive pole of the middle plug 42 is connected with a first wiring copper sheet 51 in the middle of the first pair of anti-reflection diodes 1a through a wiring screw 2, and the negative pole of the middle plug 42 is connected with a second wiring copper sheet 52 in the middle of the second pair of anti-reflection diodes 1b through the wiring screw 2. The other ends of the three pins 41 to 43 are fixed to the pin mount 3 by socket mount screws 7. The two copper wiring sheets 5 play a role in connecting a circuit. The first wiring copper sheet 51 and the second wiring copper sheet 52 are both fixed to the anti-reflection diode 1 by the wiring screws 2. The anodes of the first pair of anti-reverse diodes 1a are in short circuit through a first wiring copper sheet 51, and the cathodes of the second pair of anti-reverse diodes 1b are in short circuit through a second wiring copper sheet 52. The heat dissipation bottom plate 6 is a bottom plate of the whole product and also plays a role in heat dissipation. Socket mounting screws 7 are used to secure the plug 4 to the plug mounting bracket 3. The outer shield 8 covers the outside of the plug mounting bracket 3 and is fixed to the heat-dissipating bottom plate 6 by mounting fixing screws 9. The outer shield 8 serves as a safety guard. The mounting fixing screws 9 serve to fix the plug mounting bracket 3 and the outer shield 8.

In the parallel power-on box provided by the application, the two pairs of anti-reverse diodes 1 are used for preventing the two power supplies from being charged mutually due to different internal resistances of the different power supplies. Specifically, the anti-reverse diode realizes the unidirectional current flow so as to prevent mutual charging between the power supplies, and the hidden trouble that the positive electrode and the negative electrode of the plug 4 are reversely connected is eliminated. When power is supplied, the first power supply or the second power supply can be used independently, and the first power supply and the second power supply can also be used simultaneously.

The seamless switching between the power supplies can be realized. Referring to fig. 4, the middle plug 42 is connected to the load, and the left plug 41 is connected to the first power supply, so that the first power supply independently supplies power to the load. Referring to fig. 5, the middle plug 42 and the left plug 41 are kept unchanged, the right plug 43 is connected with the second power supply, and the first power supply and the second power supply simultaneously supply power to the load. Referring to fig. 6, the middle plug 42 and the right plug 43 are kept unchanged, the left plug 41 is unplugged, and the load is independently powered by the power supply two. The above operation realizes uninterrupted power supply to switch the power supply source, wherein the arrow represents the current flow direction.

The application of the parallel electrifying box provided by the application is explained in a specific application scene. Referring to fig. 7, the product 11 to be tested is, for example, a base station antenna, the product 11 to be tested is disposed in the product carrier 12 to be tested, and a parallel power-on box 13 provided in the present application is disposed in each product carrier 12 to be tested. The testing device 16 is a closed box, and the product 11 to be tested needs to move in various directions in the testing device 16 during testing. The product 11 to be tested needs to be preheated for about 8 minutes to be stable for testing. In order to improve the testing efficiency and save the testing time, when one product 11 to be tested is tested inside the testing device 16, another product 11 to be tested is preheated on the external bearing platform 15 outside the testing device 16.

First, referring to fig. 8, the product a to be tested is preheated on the external carrying platform, and at this time, the parallel charging box in the product carrier to be tested where the product a to be tested is located is connected to the product a to be tested through, for example, the right plug and the middle plug, so that the product a to be tested is independently powered by the power supply two. Meanwhile, another product to be tested is tested in the test equipment. Then, referring to fig. 9, the product to be tested in the test equipment has been tested. And connecting the product A to be detected with a second power supply plug, a first left power supply plug and a middle power supply plug of the parallel charging box in the product carrier to be detected in which the product A to be detected is located, so that the product A to be detected is supplied with power by the second power supply plug and the first power supply plug at the same time. Then, referring to fig. 10, the connection between the right plug of the parallel power-on box in the product carrier to be tested in which the product a to be tested is located and the power supply ii is unplugged, and at this time, the product a to be tested is connected to the power supply i through the left plug of the parallel power-on box in the product carrier to be tested, so that the power supply i supplies power to the product a to be tested alone. The power supply is an internal power supply of the test equipment, and the power supply is an external power supply of the test equipment. By repeating the above processes, the preheating of one product to be tested is realized while the other product to be tested is tested, that is, the parallel electrification of the two products to be tested is realized, and the uninterrupted power supply is realized when the same product to be tested circulates between the preheating station (namely the external bearing table 16) and the testing station (namely the testing equipment 16).

The main innovation of the present application includes the following two points. First, the present application can achieve seamless switching between power supplies, i.e., switching power supplies without power interruption. The design concept mainly adopts the use principle of parallel connection of direct current power supplies, and stable uninterrupted power supply work can be formed by parallel connection of common direct current power supplies in a laboratory. And secondly, the anti-reverse diode prevents the two power supplies from being charged mutually due to different internal resistances of the different power supplies. Considering that the operator may have non-normativity in the using process, the high-power current stabilizing diode is designed and supplemented, the circuit can be effectively protected, the reverse connection of the positive electrode and the negative electrode of the power plug is prevented, and the safety of the power plug is guaranteed.

When the traditional base station antenna is tested, only one base station antenna can be singly powered through a power supply, and the test can be carried out after the base station antenna is preheated for a certain time, so that the preheating waiting time is greatly spent, the efficiency is very low, and the method is not suitable for batch production test of a production line. The parallel power-on box provided by the application can preheat the next base station equipment to be tested while testing one base station equipment. Therefore, after the test of the previous base station equipment is completed, the preheated next base station equipment to be tested can be directly tested, the total test time of the single base station equipment is greatly reduced, and the test efficiency is improved by nearly one time.

The above are merely preferred embodiments of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A parallel charging box for a base station antenna production line test is characterized by comprising two input plugs and an output plug; the two input plugs are connected with two different direct current power supplies simultaneously or respectively; the output plug is connected with a load.

2. The parallel power-on box for the base station antenna production line test as claimed in claim 1, wherein the two input plugs are a left plug (41) and a right plug (43), respectively; the output plug is an intermediate plug (42).

3. The parallel electrifying box for the base station antenna production line test as claimed in claim 2, further comprising an anti-reflection diode (1) and a wiring copper sheet (5);

two pairs of anti-reverse diodes (1) are respectively a first pair of anti-reverse diodes (1 a) and a second pair of anti-reverse diodes (1 b); the number of the wiring copper sheets (5) is two, namely a first wiring copper sheet (51) and a second wiring copper sheet (52), and the two wiring copper sheets are fixed on the anti-reflection diode (1); the anodes of the first pair of anti-reverse diodes (1 a) are in short circuit through a first wiring copper sheet (51), and the cathodes of the second pair of anti-reverse diodes (1 b) are in short circuit through a second wiring copper sheet (52);

the positive pole of the left plug (41) is connected with the left positive pole of the second pair of anti-reverse diodes (1 b), and the negative pole of the left plug (41) is connected with the left negative pole of the first pair of anti-reverse diodes (1 a); the positive pole of the right plug (43) is connected with the right positive pole of the second pair of anti-reverse diodes (1 b), and the negative pole of the right plug (43) is connected with the right negative pole of the first pair of anti-reverse diodes (1 a); the positive pole of the middle plug (42) is connected with a first wiring copper sheet in the middle of the first pair of anti-reverse diodes (1 a), and the negative pole of the middle plug (42) is connected with a second wiring copper sheet in the middle of the second pair of anti-reverse diodes (1 b).

4. The parallel charging box for the base station antenna production line test as claimed in claim 2, further comprising a plug mounting bracket (3) and a socket mounting screw (7); the left plug (41), the middle plug (42) and the right plug (43) are fixed on the plug mounting frame (3) through socket mounting screws (7).

5. The parallel charging box for the base station antenna production line test as claimed in claim 3, further comprising a binding screw (2); the wiring screw (2) is used for connecting the left plug (41), the middle plug (42), the right plug (43), the anti-reverse diode (1), the wiring copper sheet (5) and the anti-reverse diode (1).

6. The parallel charging box for the base station antenna production line test as claimed in claim 4, further comprising an outer shield (8) and a mounting fixing screw (9); the outer protective cover (8) covers the outer side of the plug mounting frame (3) and is fixed by a mounting and fixing screw (9).

7. The parallel charging box for the base station antenna production line test as claimed in claim 1, wherein only one input plug is connected with a first power supply, and the first power supply is used for supplying power to a load independently;

or the two input plugs are respectively connected with the first power supply and the second power supply, and the first power supply and the second power supply simultaneously supply power to the load;

or the other input plug is connected with the second power supply, and the second power supply is used for independently supplying power to the load.

8. The parallel electrifying box for the base station antenna production line test as claimed in claim 7, wherein the power supply is an internal power supply of the test equipment, and the power supply is an external power supply of the test equipment.

9. The parallel power-on box for the base station antenna production line test as claimed in claim 7, wherein the power supply is a power supply of a test station, and the power supply is a power supply of a preheating station.