Private network lte air interface test equipment

Abstract

The utility model relates to the field of private network LET, and discloses private network lte air interface test equipment, which comprises a fixing mechanism and a box body, the fixing mechanism comprises a screw rod, the outer wall of the screw rod is slidably connected with a sliding block, the outer wall of the sliding block is slidably connected with a first groove, the front end face of the sliding block is fixedly connected with a spring telescopic rod, and the spring telescopic rod is fixedly connected with a second groove. The bottom end face of the spring telescopic rod is rotationally connected with a fixing shaft. An LTE test antenna is fixedly connected to the rear end face of the box body, a metal cover plate is hinged to the top of the rear end of the box body through a hinge, the first grooves are formed in the two sides of the bottom end face of the inner wall of the metal cover plate, second grooves are formed in the two sides of the top end face of the box body, and the portions, close to the front ends, of the outer walls of the two second grooves are fixedly connected with a fixing shaft. According to the utility model, the LTE test antenna achieves the results of two test antennas through closing and erecting of the metal cover plate, the occupied space is reduced, the cost is reduced, and the metal cover plate can be firmly erected through the sliding block and the spring telescopic rod and cannot fall down to prevent test interruption.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of special network LET, especially a special network LTE air interface test equipment. BACKGROUND

[0002] Special network LTE is a special communication network based on LTE technology and specially constructed for specific industry or enterprise users. Special network LTE is mainly applied in subway, railway and other scenarios, carries train driver voice communication and train control information, and through special network LTE, power grid equipment can be remotely controlled to switch and other equipment, ensuring the safe and stable operation of the power grid.

[0003] The inventor found that the prior art has the following problems in the process of implementing the present application: The conventional special network LET air interface test equipment includes a notebook, a data line, an external test terminal, a GPS module and other structures. The conventional test is controlled by connecting the data line. The data line is often in poor contact, affecting the test. Moreover, the data line connection mode leads to a very redundant entire system, which can only be tested with the vehicle, cannot be tested on foot or at a fixed point, and cannot be used in rainy or dusty environments. The use range is limited. At the same time, two test antennas are needed for field strength test, which occupies too much space. When using one antenna, the unstable erection of the metal plate will cause unstable test.

[0004] Therefore, the skilled in the art provides a special network LTE air interface test equipment to solve the problems in the background. UTILITY MODEL CONTENT

[0005] The utility model discloses a kind of special network LTE air interface test equipment to solve the problems in the prior art, the utility model is converted to the two tests of LTE test antenna by the erection and closure of metal cover plate, saves occupied space, while the overall structure is carried simple structure stable with integration arrangement, simultaneously, the cooperation of two sliders two spring telescopic rods and two screw rods can make the metal cover plate firmly erect, not because of accident and fall down and affect test.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of special network LTE air interface test equipment, including fixed mechanism, box the fixed mechanism includes screw rod, the screw rod outer wall is connected with slider slidingly, the slider outer wall is connected with No.

[0007] The LTE test antenna is fixedly connected to the rear end face of the box body, a metal cover plate is hingedly connected to the top of the rear end of the box body, the first recess is formed in the inner wall bottom end face of the metal cover plate, the second recess is formed in the both sides of the top end face of the box body, and the outer wall of the second recess is fixedly connected with the fixed shaft.

[0008] Further, the handle is fixedly connected to the front end of the box body, and the signal window is fixedly arranged in the side of the box body.

[0009] Further, the inner walls of the both ends of the metal cover plate are threadedly connected with the two screw rods, and the handles are fixedly connected to the inner walls of the sides of the two screw rods away from the metal cover plate.

[0010] Further, the first interface is fixedly arranged on the side of the box body away from the signal window, and the electric quantity display screen is fixedly arranged on the side of the box body away from the signal window.

[0011] Further, the second interface is fixedly arranged on the side of the box body away from the signal window, and the GPS antenna interface is fixedly arranged on the side of the box body away from the signal window.

[0012] Further, the power switch is fixedly arranged on the side of the box body away from the signal window, the power supply is fixedly arranged on the side of the box body away from the signal window, and the USB interface is fixedly arranged on the side of the box body away from the signal window.

[0013] Further, the central test equipment is arranged in the box body, the gaskets are fixedly arranged at the four corners of the box body and the metal cover plate, and the GPS and the gyroscope are arranged in the box body.

[0014] Further, when the sliding block slides to the uppermost end of the first recess, the screw rod is rotated to be mounted at one end in the sliding block.

[0015] The utility model has the advantages of the following:

[0016] 1. The special network LTE air interface test equipment has the advantages that the two test modes of the LTE test antenna are achieved by the vertical rising and closing of the metal cover plate, the integrated design of the plurality of modules is adopted, the equipment is convenient to carry, the stability is greatly improved, the equipment can be tested with the vehicle, and the equipment can be flexibly arranged along the railway line and fixedly monitored.

[0017] 2. The special network LTE air interface test equipment has the advantages that the metal cover plate is turned over, the sliding block is turned over upwards, the sliding block further drives the spring telescopic rod to rotate upwards along the fixed shaft in the second recess, then the handle is rotated to drive the screw rod into the sliding block for fixation, the whole metal cover plate can be firmly erected, and the test is not affected by the accidental falling. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the whole shaft measurement structure schematic view of the utility model;

[0019] Figure 2 It is another view structure schematic view of the utility model;

[0020] Figure 3 It is the box opening structure schematic view of the utility model;

[0021] Figure 4 It is the local structure schematic view of the utility model;

[0022] Figure 5 It is the section view schematic view of the utility model.

[0023] Legend:

[0024] 1, fixed mechanism, 2, first interface, 3, USB interface, 4, box, 5, handle, 6, metal cover plate, 7, gasket, 8, LTE test antenna, 9, signal window, 10, power display screen, 11, second interface, 12, GPS antenna interface, 13, power switch, 14, power supply, 15, central test equipment, 101, screw rod, 102, handle, 103, sliding block, 104, first recess, 105, spring telescopic rod, 106, second recess, 107, fixed shaft. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0026] Referring to Figures 1-5 , the utility model provides an embodiment: a special network LTE air interface test equipment, including fixed mechanism 1, box 4, fixed mechanism 1 includes screw rod 101, the outer wall of screw rod 101 is slidably connected with sliding block 103, the outer wall of sliding block 103 is slidably connected with first recess 104, sliding block 103 front end surface is fixedly connected with spring telescopic rod 105, and the bottom end surface of spring telescopic rod 105 is rotatably connected with fixed shaft 107;

[0027] The rear end surface of box 4 is fixedly connected with LTE test antenna 8, and the rear end top of box 4 is hingedly connected with metal cover plate 6, first recess 104 is formed in the inner wall bottom end surface of metal cover plate 6 on both sides, and second recess 106 is formed in the top end surface of box 4 on both sides, and the outer wall of the two second recesses 106 is fixedly connected with fixed shaft 107 near the front end.

[0028] Specifically, the metal cover plate 6 is flipped back to drive the slider 103 to slide upward in the first groove 104, and at the same time, the slider 103 drives the spring telescopic rod 105 to flip upward along the fixed shaft 107 until the slider 103 reaches the top end of the first groove 104. Rotate the handle 102 to drive the screw rod 101 to rotate, because the screw rod 101 is threadedly connected with the inner wall of the metal cover plate 6, so when the screw rod 101 rotates, it moves into the inside of the slider 103 to fix the slider 103.

[0029] Referring to Figures 1-5 , the box body 4 is fixedly connected with a handle 5 at the front end, a signal window 9 is fixedly arranged on one side of the box body 4, the inner walls of the two ends of the metal cover plate 6 are threadedly connected with two screw rods 101, the two screw rods 101 are fixedly connected with a handle 102 away from the inner wall of the metal cover plate 6, a first interface 2 is fixedly arranged on the side of the box body 4 away from the signal window 9, an electric quantity display screen 10 is fixedly arranged on the side of the box body 4 away from the signal window 9, a second interface 11 is fixedly arranged on the side of the box body 4 away from the signal window 9, a GPS antenna interface 12 is fixedly arranged on the side of the box body 4 away from the signal window 9, a power switch 13 is fixedly arranged on the side of the box body 4 away from the signal window 9, a power supply 14 is fixedly arranged on the side of the box body 4 away from the signal window 9, a USB interface 3 is fixedly arranged on the side of the box body 4 away from the signal window 9, a central test device 15 is arranged in the box body 4, a gasket 7 is fixedly arranged at each of the four corners of the box body 4 and the metal cover plate 6, GPS and a gyroscope are arranged in the box body 4, and when the slider 103 slides to the uppermost end of the first groove 104, the screw rod 101 is rotated to have one end mounted in the inside of the slider 103.

[0030] Specifically, the metal cover plate 6 stands up to play a role of reflecting signals for the two LET test antennas 8, at this time, the two LET test antennas are more suitable for interference test, when the metal cover plate 6 is closed, the two LET test antennas become full-line antenna state suitable for ordinary field strength test, four USB 3 interfaces are arranged to connect a mouse, a U disk and the like, the system is connected with a network through an Ethernet port during system upgrade, the electric quantity display screen 10 can display electric quantity, the setting of the power switch 13 avoids complex operation, and the overall structure is more simple and convenient, so that a person without foundation can also use it, and the setting of the signal window 9 can accurately position the equipment to prevent loss.

[0031] Working principle: when the metal cover plate 6 is opened along the hinge, it plays a role of reflecting signals, and the two LTE test antennas 8 are equivalent to directional antennas, which are more suitable for interference test, when the metal cover plate 6 is closed, the antennas are no longer shielded and return to full-line antenna state, the field strength received from each direction is the same, which is suitable for ordinary field strength test.

[0032] Secondly, pull the metal cover plate 6 makes it along the hinge to turn back, while driving the slider 103 inside the No. 1 groove 104 along the No. 1 groove 104 to move up, drive the spring telescopic rod 105 along the fixed shaft 107 to rotate as a whole to move to the top of the No. 1 groove 104, can rotate the handle 102, drive the screw rod 101 staying in the metal cover plate 6 to rotate, the screw rod 101 is screw connection with the metal cover plate 6, so the screw rod 101 enters into the slider 103 by rotating.

[0033] Finally, it should be noted that: the above only for the preferred embodiments of the present application and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of the present application.

Claims

1. A private network LTE air interface test device, comprising a fixing mechanism (1), a box body (4), characterized in that: The fixed mechanism (1) includes a screw rod (101), the outer wall of the screw rod (101) is slidably connected with a sliding block (103), the front end surface of the sliding block (103) is fixedly connected with a spring telescopic rod (105), and the bottom end surface of the spring telescopic rod (105) is rotatably connected with a fixed shaft (107). The rear end surface of the box body (4) is fixedly connected with an LTE test antenna (8), the rear end top of the box body (4) is hingedly connected with a metal cover plate (6), both sides of the lower end surface of the metal cover plate (6) are provided with a first recess (104), the sliding block (103) is slidably arranged in the first recess (104), the first recess (104) is arranged in the inner wall bottom end surface of the metal cover plate (6), and the second recess (106) is arranged on the top end surface of the box body (4).

2. The private network LTE air interface test device of claim 1, wherein: The front end of the box body (4) is fixedly connected with a handle (5), and the inner side of the box body (4) is fixedly provided with a signal window (9).

3. The private network LTE air interface test device of claim 1, wherein: The inner walls of the two ends of the metal cover plate (6) are threadedly connected with the two screw rods (101), and the inner walls of the two screw rods (101) away from the metal cover plate (6) are fixedly connected with a handle (102).

4. The private network LTE air interface test device of claim 2, wherein: The side of the box body (4) away from the signal window (9) is fixedly provided with a first interface (2), and the side of the box body (4) away from the signal window (9) is fixedly provided with an electric quantity display screen (10).

5. The private network LTE air interface test device of claim 4, wherein: The side of the box body (4) away from the signal window (9) is fixedly provided with a second interface (11), and the side of the box body (4) away from the signal window (9) is fixedly provided with a GPS antenna interface (12).

6. The private network LTE air interface test device of claim 5, wherein: The side of the box body (4) away from the signal window (9) is fixedly provided with a power switch (13), the side of the box body (4) away from the signal window (9) is fixedly provided with a power supply (14), and the side of the box body (4) away from the signal window (9) is fixedly provided with a USB interface (3).

7. The private network LTE air interface test device of claim 1, wherein: The box body (4) is provided with a central test device (15), the box body (4) and the metal cover plate (6) are fixedly provided with a gasket (7) at four corners, and the box body (4) is provided with a GPS and a gyroscope.

8. The private network LTE air interface test device of claim 1, wherein: When the sliding block (103) slides to the uppermost end of the first recess (104), the screw rod (101) is rotated to be mounted at one end in the sliding block (103).

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