CN212677327U

CN212677327U - Automatic test box of LTE basic station

Info

Publication number: CN212677327U
Application number: CN202021235425.8U
Authority: CN
Inventors: 商云涛; 胡春华; 胡国良; 范竞春
Original assignee: Shanghai Gonglian Communication Information Development Co Ltd
Current assignee: Shanghai Gonglian Communication Information Development Co Ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-03-09
Anticipated expiration: 2030-06-29

Abstract

The utility model relates to an automatic test box of LTE basic station, including the shielded cell, the switch box, drive assembly, test equipment case and controller, switch box and drive assembly all are located the shielded cell, drive assembly is used for driving the switch box and removes, the switch box is used for holding the LTE basic station, test equipment case has held basic station test equipment, the switch box is equipped with the switch and trades the circuit, this switch trades the circuit including the input signal interface that connects gradually, switch circuit and output signal interface, input signal interface connects the LTE basic station, output signal interface connects basic station test equipment, the quantity of basic station test equipment is a plurality of, switch test circuit is used for switching over to insert basic station test equipment, switch circuit and the equal connection director of drive assembly. Compared with the prior art, the utility model has the advantages of reduced the manual work by a wide margin, improved efficiency of software testing to the LTE basic station, reliable and stable.

Description

Automatic test box of LTE basic station

Technical Field

The utility model belongs to the technical field of the LTE basic station test and specifically relates to an automatic test box of LTE basic station is related to.

Background

LTE (Long Term Evolution), a new generation broadband wireless mobile communication system mainly developed by 3GPP organizations, supports high-performance data services comprehensively. LTE is not considered 4G, but 3.9G or quasi 4G, which is the mainstream technology for the transition from 3G to 4G. As a mobile communication system with high data rate, large capacity, fast response and based on full IP, LTE not only fills up the huge technical gap between 3G and 4G, but also solves the problem of over-concentration of patents in 3G, and simultaneously maintains the technical and standard advantages of 3GPP in the field of mobile communication. At present, LTE supports wireless access anytime and anywhere, the types of services provided are also developed from the direction of providing comprehensive information services with traditional voice services as the main direction, and IP multimedia communication becomes the main development direction.

Nowadays, the number of LTE equipment occupies a dominant position, the failure rate of part of old equipment gradually rises, and the detection of the equipment becomes more important. At present, manual operation is mostly carried out on the detection of LTE equipment through manual work, and the labor cost is high and the efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an automatic test box of LTE basic station in order to overcome above-mentioned prior art has the defect that the cost of labor is high and efficient.

The purpose of the utility model can be realized through the following technical scheme:

the utility model provides an automatic test box of LTE basic station, includes shielded cell, switch box, drive assembly, test equipment case and controller, switch box and drive assembly all are located the shielded cell is interior, drive assembly is used for driving the switch box removes, the switch box is used for holding the LTE basic station, test equipment case has held basic station test equipment, the switch box is equipped with switch circuit that trades, and this switch circuit that trades is including the input signal interface, switch circuit and the output signal interface that connect gradually, input signal interface connection the LTE basic station, the output signal interface connection base station test equipment, base station test equipment's quantity is a plurality of, switch test circuit is used for switching over to insert base station test equipment, switch circuit and drive assembly all connect the controller.

Further, the switch of the switch circuit is an electric control switch, and the controller is connected with the electric control switch.

Further, the electrically controlled switch is a relay or a contactor.

Further, the switch circuit comprises an interconnection sub-circuit and an output side sub-circuit, the interconnection sub-circuit is used for switching in between the output signal interface and the output signal interface, and the output side sub-circuit is used for switching on or switching off the connection between the output signal interfaces.

Further, the interconnection sub-circuit is specifically configured such that each input signal interface is connected to each output signal interface through an interconnection circuit, and each interconnection circuit is connected to a switch.

Further, the output side sub-line is specifically that every two output signal interfaces are connected with each other through an output side line, and each output side line is connected with a switch.

Further, drive assembly includes belt, drive wheel and driving motor, the belt receives the drive wheel drives, the drive wheel receives driving motor drives, driving motor connects the controller.

Further, the base station test equipment comprises a frequency spectrograph, a combiner, an attenuator, a signal source, a wave trap and a load.

Further, a driving door is arranged on one side of the shielding box and connected with the controller for opening and closing the shielding box.

Further, the shielding box is a shielding box with a function of isolating external interference signals.

Further, the output signal interface is connected with the base station test equipment through a signal line, and the length of the signal line is larger than the moving length of the switch box.

Compared with the prior art, the utility model has the advantages of it is following:

(1) the utility model discloses the automatic test box of LTE basic station passes through the shielded cell and keeps apart external interference signal; the LTE base station is accommodated through the switch box and the driving assembly, and is automatically transmitted into the shielding box; the automatic switching connection between the LTE base station and each base station test device in the test device box is realized through the switch wire changing circuit, so that the free switching of various tests is realized, the automatic test box of the LTE base station greatly reduces the labor and improves the test efficiency of the LTE base station;

(2) the switch of the switch circuit is a relay or a contactor, can be controlled by an electric signal of a controller, and is stable and reliable;

(3) the switch circuit comprises an interconnection sub-circuit and an output side sub-circuit, can be switched in an output signal interface and an output signal interface, and can also be switched on or off to connect or disconnect the connection between the output signal interfaces, so that the test type of the LTE base station is improved;

(4) one side of shielding case is equipped with the drive door, and the accessible controller control is opened and is closed shielding case, convenient and fast.

Drawings

Fig. 1 is a schematic structural diagram of an automatic test box of an LTE base station according to the present invention;

in the figure, 1, a shielding box, 2, a switch box, 3, a driving component, 4, a switch line changing circuit, 5, a testing equipment box, 6 and a driving door.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

Example 1

As shown in fig. 1, this embodiment provides an automatic test box of LTE base station, including shielded cell 1, switch box 2, drive assembly 3, test equipment box 5 and controller, switch box 2 and drive assembly 3 all are located shielded cell 1, drive assembly 3 is used for driving switch box 2 to remove, switch box 2 is used for holding the LTE base station, test equipment box 5 has held base station test equipment, switch box 2 is equipped with switch circuit 4 that trades, this switch circuit 4 that trades includes the input signal interface that connects gradually, switch circuit and output signal interface, input signal interface connects the LTE base station, output signal interface connects base station test equipment, the quantity of base station test equipment is a plurality of, switch test circuit is used for switching access base station test equipment, switch circuit and drive assembly 3 all connect the controller.

The following describes the various parts of the automated test kit in detail.

1. Switching circuit

The switch circuit comprises an interconnection sub-circuit and an output side sub-circuit, the interconnection sub-circuit is used for switching in between the output signal interface and the output signal interface, and the output side sub-circuit is used for switching on or switching off the connection between the output signal interfaces.

The interconnection sub-circuit is specifically characterized in that each input signal interface is connected with each output signal interface through an interconnection circuit, and each interconnection circuit is connected with a switch.

The output side sub-circuit is characterized in that every two output signal interfaces are mutually connected through an output side circuit, and each output side circuit is connected with a switch.

The switch of the switch circuit is an electric control switch, and the controller is connected with the electric control switch. The electric control switch is a relay or a contactor.

2. Drive assembly 3

The driving component 3 comprises a belt, a driving wheel and a driving motor, the belt is driven by the driving wheel, the driving wheel is driven by the driving motor, and the driving motor is connected with the controller.

3. Base station test equipment

The base station test equipment in the test equipment box 5 can be set according to actual requirements, and the base station test equipment in the embodiment comprises a frequency spectrograph, a combiner, an attenuator, a signal source, time error test equipment, a wave trap and a load.

The automatic test box of the LTE base station of this embodiment can perform the following tests:

3.1 maximum Transmission Power test

The controller controls the interconnection sub-circuit to be connected with the LTE base station and the attenuator, controls the output side sub-circuit to be connected with the attenuator and the frequency spectrometer, and switches of the rest of the switch circuits are disconnected, so that the maximum transmitting power test can be carried out.

3.2 receiver spurious testing

The LTE base station is controlled to be connected with the wave trap through the controller, other ports of the LTE base station are respectively connected with a load, the sub-line on the output side is controlled to be connected with the wave trap and the signal source, and other switches of the switch line are disconnected, so that stray test of the receiver can be carried out.

3.3 time alignment test between transmitter ports

Two ports of the LTE base station are controlled by the controller to be connected with the time error testing equipment, one port of the LTE base station is connected with a load, and other switches of the switch circuit are disconnected, so that the time alignment test between the ports of the transmitter can be carried out.

3.4 receiver sensitivity testing

The controller controls two ports of the LTE base station to be respectively connected with the signal source and the load, and other switches of the switch circuit are disconnected, so that the sensitivity test of the receiver can be carried out.

3.5 receiver dynamic Range testing

The controller controls two ports of the LTE base station to be respectively connected with the combiner and the load, controls the output side sub-line to be connected with the combiner and the two frequency spectrometers, and switches of the switch line are disconnected, so that the dynamic range test of the receiver can be carried out.

4. Shielding box 1

One side of the shielding box 1 is provided with a driving door 6, and the driving door 6 is connected with a controller for opening and closing the shielding box 1. The driving door 6 comprises a shielding door and a door driving unit, sawteeth are arranged on two sides of the shielding door, the door driving unit comprises a driving motor and a gear, the gear is matched with the sawteeth on two sides of the shielding door and used for driving the shielding door to move upwards, the gear is driven by the driving motor, and the driving motor is connected with a controller.

The shielding box 1 is a shielding box 1 with the function of isolating external interference signals and is made of metal materials. The output signal interface is connected with the base station test equipment through a signal wire, and the length of the signal wire is greater than the moving length of the switch box 2.

When the switch box is used, the controller controls the driving door 6 to be opened, the driving component 1 is controlled to transmit the switch box 2 to the driving door end of the shielding box 1, the LTE base station is placed in the switch box, and the signal interface of the LTE base station is accessed to the input signal interface of the switch line switching circuit 4; the controller controls the driving assembly 1 to transmit the switch box 2 into the shielding box 1, then controls the driving door 6 to be closed, and then controls the switch circuit to carry out various tests through the controller.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims

1. The automatic test box of the LTE base station is characterized by comprising a shielding box (1), a switch box (2), a driving assembly (3), a test equipment box (5) and a controller, wherein the switch box (2) and the driving assembly (3) are both positioned in the shielding box (1), the driving assembly (3) is used for driving the switch box (2) to move, the switch box (2) is used for accommodating the LTE base station, the test equipment box (5) is used for accommodating base station test equipment, the switch box (2) is provided with a switch line changing circuit (4), the switch line changing circuit (4) comprises an input signal interface, a switch circuit and an output signal interface which are sequentially connected, the input signal interface is connected with the LTE base station, the output signal interface is connected with the base station test equipment, the base station test equipment is in multiple numbers, and the switch test circuit is used for switching in the base station test equipment, the switch circuit and the driving assembly (3) are both connected with the controller.

2. The automatic test box of an LTE base station of claim 1, wherein the switch of the switch circuit is an electric control switch, and the controller is connected with the electric control switch.

3. The automatic test box of an LTE base station of claim 2, wherein the electrical control switch is a relay or a contactor.

4. The automatic test box of the LTE base station as claimed in claim 1, wherein the switch circuit comprises an interconnection sub-circuit and an output side sub-circuit, the interconnection sub-circuit is used for switching between the output signal interface and the output signal interface, and the output side sub-circuit is used for connecting or disconnecting the output signal interface.

5. The automatic test box of an LTE base station as claimed in claim 4, wherein said interconnection sub-circuit is specifically such that each input signal interface is connected to each output signal interface through an interconnection circuit, and each interconnection circuit is connected to a switch.

6. The automatic test box of an LTE base station as claimed in claim 4, wherein said output side sub-lines are specifically, every two output signal interfaces are connected to each other through an output side line, and each output side line is connected to a switch.

7. The automatic test box of an LTE base station of claim 1, characterized in that, the drive assembly (3) includes belt, drive wheel and driving motor, the belt is driven by the drive wheel, the drive wheel is driven by the driving motor, the driving motor is connected with the controller.

8. The automatic test box of an LTE base station of claim 1, wherein the base station test equipment comprises a spectrometer, a combiner, an attenuator, a signal source, a wave trap and a load.

9. The automatic test box of an LTE base station according to claim 1, characterized in that one side of said shielding box (1) is provided with a driving door (6), and said driving door (6) is connected with said controller for opening and closing said shielding box (1).

10. The automatic test box of an LTE base station of claim 1, characterized in that, the output signal interface is connected with the base station test equipment through a signal line, and the length of the signal line is greater than the moving length of the switch box (2).