Ice environment testing device suitable for transponder and BTM antenna unit

Abstract

The utility model relates to the technical field of transponder and BTM antenna unit testing, in particular to an ice environment testing device suitable for a transponder and a BTM antenna unit. Comprising an outer box body, a graduated scale arranged on the inner wall of the outer box body, a bayonet socket arranged on the inner wall of the outer box body, an inserting groove formed in one side of the bayonet socket, an inner box body arranged in the outer box body, an inserting block arranged on the outer wall of the inner box body, and corresponding wire passing holes formed in the same side of the outer box body and the inner box body. The mounting plate is arranged at the upper end of the outer box body; the to-be-tested module is arranged at the lower end of the mounting plate and is positioned in the inner box body; the outer box body and the inner box body are both of a box type structure with an opening in the upper end, the upper end of the outer box body and the upper end of the inner box body are located on the same plane, and the upper end of the outer box body and the upper end of the inner box body are covered with the mounting plate. The ice layer thickness can be accurately controlled, the test result is more accurate, the structure is simple, the cost is low, and the operation is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to a transponder, BTM antenna unit test technical field, concretely relates to a kind of ice environment test device suitable for transponder, BTM antenna unit. BACKGROUND

[0002] Transponder is an important equipment installed on railway sleeper to provide positioning information and line data for train, and it faces the influence of natural environment (high temperature, low temperature, water covering, ice covering, metal powder covering, solar radiation, etc.), complex electromagnetic interference in railway operation and maintenance.

[0003] BTM antenna unit is a kind of vehicle-mounted antenna on railway train, which is used to activate and collect communication information from ground transponder, and data is reported to ATP vehicle-mounted equipment after being processed by BTM host. BTM antenna unit is installed at the bottom of train, and the working condition environment is harsh, there are problems such as ice accumulation in winter, equipment vibration, strong electromagnetic interference and poor product sealing.

[0004] Section E.5.2.4.7 of "Transponder Transmission System Test Specification" (TB / T 3544-2018) introduces the test case of transponder under ice debris requirement, that is, under A and B level debris requirement, 100mm thick ice is covered on reference ring and transponder. Ice does not contain void (except for bubbles naturally produced during condensation process). The space under the reference ring should be free.

[0005] Section E.5.2.5.1 of "Transponder Transmission System Test Specification" (TB / T 3544-2018) introduces the test case of antenna unit under ice debris requirement, that is, ice made of clean water should not contain void (except for bubbles naturally produced during condensation process), ice layer is applied to the bottom of antenna unit, the thickness is at least 10mm, and the maximum is the upper surface of transponder. The thickness of ice layer applied during testing is proposed by the manufacturer of antenna unit.

[0006] Because the standard requires ice debris covering thickness, but does not specify the implementation method. There is no special tool for transponder and BTM antenna ice debris test, generally 10mm or 100mm thick water is tested by using non-specific water container. The problem of this method is that: without specific tool, it is difficult to control the test accuracy, and the problem of volume increase after water is frozen into ice is not considered, which leads to increase of ice thickness in actual test process, and inaccurate test result. UTILITY MODEL CONTENT

[0007] The utility model discloses in order to solve the technical problem of the ice thickness increase in actual test process, the test result is not accurate, provides a kind of ice environment testing device suitable for transponder, BTM antenna unit, can accurately control ice layer thickness, test result is more accurate, and simple structure, low in cost, convenient operation.

[0008] The utility model discloses a technical scheme is provided, a kind of ice environment testing device suitable for transponder, BTM antenna unit, including outer box, scale set on the inner wall of outer box, plug-in seat set on the inner wall of outer box, plug-in slot is set on the one side of plug-in seat, inner box is set in outer box, plug-in block is set on the outer wall of inner box, the same side on plug-in block and the corresponding wire hole of plug-in block and inner box are set, mounting plate is set on the upper end of outer box, and the module to be measured is set in inner box in the lower end of mounting plate;The outer box and inner box are all the box structure of upper end opening, the upper end of outer box and the upper end of inner box are the same plane, the mounting plate is covered in the upper end of outer box and inner box, the interval between the inner cavity bottom surface of outer box and the lower end surface of inner box is set, the plug-in block is adapted with plug-in slot and is inserted in plug-in slot from the one side of plug-in seat.

[0009] The plug-in seat is provided with two groups, and is located on the opposite two side walls in the outer box respectively, and the plug-in block and the plug-in seat are correspondingly provided with two groups.

[0010] The number of each plug-in seat is at least two.

[0011] The wire hole is the slot structure of upper end opening.

[0012] It further includes locking plate set on the two sides of the upper end of outer box, stud is set on the locking plate respectively, lock hole is set on the mounting plate and corresponds with stud, locking nut is set on the stud, the stud on the locking plate passes through the lock hole on the mounting plate and is locked by locking nut.

[0013] The distance between the lower end surface of inner box and the inner cavity bottom surface of outer box is 10mm or 100mm.

[0014] The module to be measured is provided with fixing hole, the mounting plate is provided with mounting hole corresponding with fixing hole, and fixing bolt is arranged in the fixing hole and mounting hole.

[0015] The fixing hole and mounting hole are all provided with four and are arranged in rectangular array.

[0016] The upper end of mounting plate is provided with sling stud.

[0017] The ice environment testing device suitable for transponder and BTM antenna unit has the advantages that the distance between the bottom surface of the inner cavity of the outer box body and the bottom of the inner box body is limited, so that the thickness of the ice layer after the clean water is frozen is controlled, the testing accuracy is improved, the design is simple in structure, convenient to use and low in cost. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structural schematic view of the utility model;

[0019] Figure 2 is an exploded view of the utility model;

[0020] Figure 3 is a sectional view of the utility model;

[0021] Figure 4 is a state reference view of the utility model after being fixed with a lifting appliance.

[0022] In the drawings, 1 is an outer box body, 2 is a scale, 3 is a plug-in seat, 4 is a plug-in slot, 5 is an inner box body, 6 is a plug-in block, 7 is a wire passing hole, 8 is a mounting plate, 9 is a module to be tested, 10 is a locking plate, 11 is a stud, 12 is a lock hole, 13 is a locking nut, 14 is a fixing bolt, and 15 is a lifting appliance stud. DETAILED DESCRIPTION

[0023] As Figures 1-4 shown, the utility model provides an ice environment testing device suitable for transponder and BTM antenna unit, including outer box body 1, set up scale 2 on the inner wall of outer box body 1, set up plug-in seat 3 on the inner wall of outer box body 1, set up plug-in slot 4 on the one side of plug-in seat 3, set up inner box body 5 in outer box body 1, set up plug-in block 6 on the outer wall of inner box body 5, set up wire passing hole 7 on the same side of outer box body 1 and inner box body 5 and correspondingly, set up mounting plate 8 on the upper end of outer box body 1 and set up module to be tested 9 in inner box body 5 below mounting plate 8, outer box body 1 and inner box body 5 are all the box type structure of upper end opening, the upper end of outer box body 1 and the upper end of inner box body 5 are the same plane, mounting plate 8 covers in the upper end of outer box body 1 and inner box body 5, the bottom surface of the inner cavity of outer box body 1 and the lower end surface of inner box body 5 are spaced apart, plug-in block 6 is adapted with plug-in slot 4 and is inserted in plug-in slot 4 from the one side of plug-in seat 3.

[0024] The to-be-tested module 9 is a transponder or a BTM antenna unit, both of which are integrated modules, and each is provided with a bolt hole for mounting and fixing on the shell. The scale 2 can conveniently measure the ice layer thickness and the clear water thickness. The wire passing hole 7 is used for the external cable of the transponder or the BTM antenna unit, which can pass through the outer box body 1 and the inner box body 5 through the wire passing hole 7 and extend outward, and the external cable is used for connecting the corresponding control host, and the host can display the communication data received by the BTM antenna unit or send communication data outward through the BTM antenna unit. The outer box body 1 and the inner box body 5 are both made of non-metallic materials, generally glass fiber or organic glass, which do not affect the communication signal.

[0025] The outer box body 1 and the inner box body 5 are both rectangular box structures, the inner box body 5 is placed in the outer box body 1, and the outer wall of the inner box body 5 and the inner wall of the outer box body 1 are connected by the plug-in seat 3, the plug-in groove 4 and the plug-in block 6. When the inner box body 5 is manually placed into the outer box body 1, the plug-in block 6 is misaligned with the plug-in seat 3, when the plug-in block 6 is lowered to the opening of the plug-in groove 4, the inner box body 5 is manually moved horizontally, so that the plug-in block 6 is inserted into the plug-in groove 4, the plug-in is completed, and the disassembly and assembly are very convenient, and the inner box body 5 will not move up and down after installation.

[0026] When the inner box body 5 is installed in place, the distance between the bottom lower end surface of the inner box body 5 and the inner cavity bottom surface of the outer box body 1 is a fixed distance, which is 100mm in the design, and according to different test requirements, the distance can be changed by using outer box bodies 1 and inner box bodies 5 of different sizes.

[0027] After injecting 100mm deep clear water between the outer box body 1 and the inner box body 5, freezing is performed, and the ice layer thickness formed between the bottom of the outer box body 1 and the inner box body 5 can only be 100mm, that is, the ice layer thickness at the lower end of the to-be-tested module 9 is accurate 100mm, and the excess ice will be in the gap between the outer box body 1 and the inner box body 5, the design can accurately control the ice layer thickness during testing, and greatly improves the accuracy of the test results.

[0028] The mounting plate 8 covers the opening at the upper end of the outer box body 1 and the inner box body 5, and the to-be-tested module 9 fixed at the lower end of the mounting plate 8 is located in the inner box body 5, which separates the to-be-tested module 9 from the clear water or ice, and does not cause damage to the to-be-tested module 9.

[0029] As shown in Figure 2 The plug-in seat 3 is provided with two groups, which are respectively located on the opposite two side walls in the outer box body 1, and the plug-in block 6 is correspondingly provided with two groups.

[0030] The plug-in block 6 is adapted with the corresponding plug-in seat 3 on the outer walls of the opposite two sides of the inner box body 5, and the stress is more uniform, which further improves the stability of the inner box body 5.

[0031] AsFigure 2 As shown, the number of each group of the plug-in sockets 3 is at least two.

[0032] The plug-in sockets 3 and the plug-in blocks 6 of each group are provided in plurality, which can further improve the structural stability and the connection strength.

[0033] As shown, Figure 2 The wire passing hole 7 is a slot structure with an open upper end.

[0034] The slot type wire passing hole 7 can directly put in the cable, without the need to operate the cable head to sequentially perforate, and is more convenient to use.

[0035] As shown, Figures 2-3 Further comprising locking plates 10 provided on both sides of the upper end of the outer box body 1, studs 11 provided on the locking plates 10 respectively, lock holes 12 provided on the mounting plate 8 and corresponding to the studs 11, and locking nuts 13 provided on the studs 11, the studs 11 on the locking plates 10 pass through the lock holes 12 on the mounting plate 8 and are locked by the locking nuts 13.

[0036] The outer box body 1 and the locking plates 10 are integrally formed, the studs 11 are provided on the locking plates 10, the corresponding lock holes 12 are provided on the mounting plate 8, when the mounting plate 8 is covered on the upper end of the outer box body 1, the studs 11 are inserted into the lock holes 12, and then locked by the locking nuts 13, so as to realize fixed connection, which is more simple and convenient to operate.

[0037] As shown, Figure 3 The distance between the lower end surface of the inner box body 5 and the bottom surface of the inner cavity of the outer box body 1 is 10mm or 100mm.

[0038] 10mm can meet the minimum test requirement of the BTM antenna unit, and 100mm can meet the minimum test requirement of the transponder.

[0039] As shown, Figure 3 The fixing holes are provided on the to-be-tested module 9, the mounting holes corresponding to the fixing holes are provided on the mounting plate 8, and the fixing bolts 15 are provided in the fixing holes and the mounting holes.

[0040] The fixing holes on the to-be-tested module 9 and the mounting holes on the mounting plate 8 are corresponding, the to-be-tested module 9 is fixed at the lower end of the mounting plate 8 through the bolts, which is simple and convenient to operate.

[0041] As shown, Figure 3 The fixing holes and the mounting holes are all provided in four and arranged in a rectangular array.

[0042] The four fixing holes and the four mounting holes cooperate with the four fixing bolts 15 to fix the to-be-tested module 9 and the mounting plate 8, which has higher connection strength and is more stable.

[0043] AsFigures 1-2 As shown, the upper end of the mounting plate 8 is provided with a lifting lug stud 15.

[0044] In the test, the mounting plate 8 is connected with the lifting lug, the whole structure of the design is lifted by the lifting lug, the mounting plate 8 is fixed with the lifting lug through the four lifting lug studs 15 on the upper end surface, the connection strength is high, and the operation is simple and convenient.

[0045] When the test object to be tested module 9 is a BTM antenna unit, a standard signal generating device is used for testing, and the test process includes: lifting the test device that has been frozen and assembled by the lifting lug, connecting the external cable of the BTM antenna unit to the laboratory test system host, placing the standard signal generating device at the lower end of the outer box 1, sending a signal to the BTM antenna unit, the ice layer is located between the standard signal generating device and the BTM antenna unit, and the signal receiving condition of the BTM antenna unit is displayed through the laboratory test system host, and the test is completed.

[0046] When the test object to be tested module 9 is a transponder, a standard test antenna is used for testing, and the test process includes: lifting the standard test antenna with the lifting lug, aligning the coordinate system of the standard test antenna with the transponder, aligning the electrical center, adjusting the vertical distance to the test distance according to the specific test item, covering the test device that has been frozen and assembled on the upper surface of the transponder, connecting the standard test antenna to the laboratory test system host, and the ice layer is located between the transponder and the standard test antenna, activating the transponder through the standard test antenna, collecting the transponder signal using the standard test antenna, displaying the signal receiving condition of the standard test antenna through the test system host, and completing the test.

Claims

1. An ice environment testing device suitable for transponders and BTM antenna units, characterized in that: Includes an outer casing (1), a scale (2) set on the inner wall of the outer casing (1), a plug-in socket (3) set on the inner wall of the outer casing (1), a plug-in slot (4) set on one side of the plug-in socket (3), an inner casing (5) set inside the outer casing (1), a plug-in block (6) set on the outer wall of the inner casing (5), a wire-passing hole (7) set on the same side of the outer casing (1) and the inner casing (5), a mounting plate (8) set on the upper end of the outer casing (1), and a test module (9) set on the lower end of the mounting plate (8) and located inside the inner casing (5); The outer box (1) and the inner box (5) are both box-type structures with open tops. The upper ends of the outer box (1) and the inner box (5) are on the same plane. The mounting plate (8) covers the upper ends of the outer box (1) and the inner box (5). The bottom surface of the inner cavity of the outer box (1) and the lower end surface of the inner box (5) are spaced apart. The plug-in block (6) is adapted to the plug-in groove (4) and is inserted into the plug-in groove (4) from one side of the plug-in seat (3).

2. The ice environment testing device for transponders and BTM antenna units according to claim 1, characterized in that: The plug-in socket (3) is provided in two sets, located on two opposite side walls inside the outer casing (1), and the plug-in block (6) is provided in two sets corresponding to the plug-in socket (3).

3. The ice environment testing device for transponders and BTM antenna units according to claim 1, characterized in that: The number of each set of sockets (3) shall be at least two.

4. The ice environment testing device for transponders and BTM antenna units according to claim 1, characterized in that: The wire hole (7) is a slotted structure with an open top.

5. The ice environment testing device for transponders and BTM antenna units according to claim 1, characterized in that: It also includes locking plates (10) on both sides of the upper end of the outer casing (1), studs (11) respectively on the locking plates (10), locking holes (12) on the mounting plate (8) and corresponding to the studs (11), and locking nuts (13) on the studs (11). The studs (11) on the locking plates (10) pass through the locking holes (12) on the mounting plate (8) and are locked by means of the locking nuts (13).

6. The ice environment testing device for transponders and BTM antenna units according to claim 1, characterized in that: The distance between the lower end face of the inner box (5) and the bottom surface of the inner cavity of the outer box (1) is 10mm or 100mm.

7. The ice environment testing device for transponders and BTM antenna units according to claim 1, characterized in that: The module to be tested (9) is provided with a fixing hole, and the mounting plate (8) is provided with a mounting hole corresponding to the fixing hole. Fixing bolts (14) are provided in the fixing hole and the mounting hole.

8. The ice environment testing device for transponders and BTM antenna units according to claim 7, characterized in that: The fixing holes and mounting holes are each provided in four parts and arranged in a rectangular array.

9. The ice environment testing device for transponders and BTM antenna units according to claim 1, characterized in that: The upper end of the mounting plate (8) is provided with a lifting stud (15).

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