Network redundancy test device for revival number platform motor train unit

Abstract

The utility model discloses a revival number platform motor train unit network redundancy test device, which comprises a male head, a female head, a first switch and a second switch, the male head is connected with the female head through the first switch to form a first line channel, and the male head is connected with the female head through the second switch to form a second line channel. The male head and the female head are connected with a connector of a main gateway; according to the utility model, the on-site plugging test device frequency is reduced by one time, the damage risk of the MVB connector plug caused by static electricity and plugging is reduced, the single test time is reduced from 20 min to 10 min, and the test efficiency is improved by 50%.

Description

TECHNICAL FIELD

[0001] The utility model relates to a train set assembly technical field, concretely relates to a platform train set network redundancy test device of Fuxing. BACKGROUND

[0002] The train set of Fuxing platform adopts redundancy design in network communication and train control system. When the train set is in advanced repair, network redundancy test needs to be carried out in the whole train debugging stage. The network redundancy test process is as follows: in the state that the whole train communication is normal, disconnect the A channel of the main gateway MVB of the main control unit. Check the MVB line fault information in the display screen fault list: the train MVB communication should not be affected; through remote cutting and resetting operation to the non-main control unit equipment, it is confirmed that the whole train working state should not be affected. Then connect the A channel, disconnect the B channel of MVB and check the MVB line fault information in the display screen fault list: the train MVB communication should not be affected; through remote cutting and resetting operation to the non-main control unit equipment, it is confirmed that the whole train working state should not be affected.

[0003] The existing test device needs to be disassembled twice to test A and B lines of the train set respectively, and multiple disassembly reduces the operation efficiency and increases the risk of damaging the MVB connector plug.

[0004] In view of the above defects, the utility model creator finally obtains the utility model after long-term research and practice. UTILITY MODEL CONTENT

[0005] In order to solve the above technical defects, the utility model adopts the technical scheme, provides a kind of platform train set network redundancy test device of Fuxing, including male head, female head, first switch and second switch, the male head is connected with the female head by the first switch and constitutes first line channel, the male head is connected with the female head by the second switch and constitutes second line channel, the male head and the female head are connected with the connector of main gateway.

[0006] Preferably, the female head is provided with first female needle, second female needle, third female needle and fourth female needle, the male head is provided with first male needle, second male needle, third male needle and fourth male needle, the first female needle and the second female needle are connected with the first switch by first circuit line, the first male needle and the second male needle are connected with the first switch by second circuit line, thereby constituting the first line channel, the third female needle and the fourth female needle are connected with the second switch by third circuit line, the third male needle and the fourth male needle are connected with the second switch by fourth circuit line, thereby constituting the second line channel.

[0007] Preferably, the female head adopts a 9-pin RS232 female head, the male head adopts a 9-pin RS232 male head, the 1st pin and the 2nd pin of the RS232 female head are the first female pin and the second female pin respectively, the 4th pin and the 5th pin of the RS232 female head are the third female pin and the fourth female pin respectively, the 1st pin and the 2nd pin of the RS232 male head are the first male pin and the second male pin respectively, and the 4th pin and the 5th pin of the RS232 male head are the third male pin and the fourth male pin respectively.

[0008] Preferably, the first switch and the second switch are both single-pole single-throw switches.

[0009] Preferably, the first switch is arranged in a first switch box, the second switch is arranged in a second switch box, the male head, the first switch box, the second switch box and the female head are arranged in sequence, the second circuit line passes through the second switch box and is arranged in the second switch box, and the third circuit line passes through the first switch box and is arranged in the first switch box.

[0010] Compared with the prior art, the utility model has the advantages that the number of field plugging test devices is reduced by one time, the damage risk of the MVB connector plug caused by static electricity and plugging is reduced, the single test time is reduced from 20 min to 10 min, and the test efficiency is improved by 50%. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a structural front view of the network redundancy test device for the Fuxing platform EMUs.

[0012] Figure 2 It is a three-dimensional structural view of the network redundancy test device for the Fuxing platform EMUs.

[0013] Figure 3 It is a circuit schematic view of the network redundancy test device for the Fuxing platform EMUs.

[0014] Numerals in the drawing represent:

[0015] 101 - female head; 102 - first switch; 103 - second switch; 104 - male head; 105 - circuit line. DETAILED DESCRIPTION

[0016] The above and other technical features and advantages of the utility model will be explained in more detail in connection with the accompanying drawings.

[0017] EMBODIMENT

[0018] As shown in Figure 1 , Figure 2 and Figure 3 ,Figure 1 It is a structure front view of the network redundancy test device for the Fuxing platform EMU; Figure 2 It is a three-dimensional structure view of the network redundancy test device for the Fuxing platform EMU; Figure 3 It is a circuit schematic view of the network redundancy test device for the Fuxing platform EMU.

[0019] The network redundancy test device for the Fuxing platform EMU comprises a male head 104, a female head 101, a first switch 102 and a second switch 103, the male head 104 is connected with the female head 101 through the first switch 102 to form a first line channel, the male head 104 is connected with the female head 101 through the second switch 103 to form a second line channel, the male head 104 and the female head 101 are connected with a connector of a main gateway, and the male head 104, the female head 101, the first switch 102 and the second switch 103 are connected with each other through circuit lines 105.

[0020] Specifically, the female head 101 is provided with a first female needle, a second female needle, a third female needle and a fourth female needle, the male head 104 is provided with a first male needle, a second male needle, a third male needle and a fourth male needle, the first female needle and the second female needle are connected with the first switch 102 through a first circuit line 105, the first male needle and the second male needle are connected with the first switch 102 through a second circuit line 105, thereby forming the first line channel, the third female needle and the fourth female needle are connected with the second switch 103 through a third circuit line 105, and the third male needle and the fourth male needle are connected with the second switch 103 through a fourth circuit line 105, thereby forming the second line channel.

[0021] The female head 101 is a 9-needle RS232 female head, the male head 104 is a 9-needle RS232 male head, the 1st needle and the 2nd needle of the RS232 female head 101 are the first female needle and the second female needle respectively, the 4th needle and the 5th needle of the RS232 female head 101 are the third female needle and the fourth female needle respectively, the 1st needle and the 2nd needle of the RS232 male head 104 are the first male needle and the second male needle respectively, and the 4th needle and the 5th needle of the RS232 male head 104 are the third male needle and the fourth male needle respectively.

[0022] Preferably, the first switch 102 and the second switch 103 are both single-pole single-throw switches, the single-pole single-throw switch of the first switch 102 is only connected with a 1st needle and a 2nd needle circuit to control the on-off of the 1st needle and the 2nd needle circuit, the single-pole single-throw switch of the second switch 103 is only connected with a 4th needle and a 5th needle circuit to control the on-off of the 4th needle and the 5th needle circuit, wherein the 1st needle and the 2nd needle are A (i.e. the first line channel), and the 4th needle and the 5th needle are B (i.e. the second line channel), thereby realizing the independent on-off of A and B.

[0023] Preferably, the first switch 102 is arranged in the first switch 102 box body, the second switch 103 is arranged in the second switch 103 box body, the male head 104, the first switch 102 box body, the second switch 103 box body and the female head 101 are sequentially arranged, the second circuit line 105 passes through the second switch 103 box body and is arranged in the second switch 103 box body, and the third circuit line 105 passes through the first switch 102 box body and is arranged in the first switch 102 box body, so that the network redundancy test device for the Fuxing platform motor train unit of the utility model forms a linear structure as a whole, is simple and neat in structure, and is not prone to winding.

[0024] The utility model adopts, makes the field plug-in test device frequency reduce 1 times, has reduced the damage risk of MVB connector plug due to static electricity, plug-in, single test time reduces from 20min to 10min, and test efficiency improves 50%.

[0025] The above only is the preferred embodiment of the utility model, is only illustrative to the utility model, and is not limitative. The professional technical personnel understands that can make many changes, modification, even equivalent to it within the spirit and scope defined in the utility model claim, but all will fall into the protection scope of the utility model.

Claims

1. A network redundancy test device for a Rejuvenation platform EMU, characterized in that, The male head, the female head, the first switch and the second switch are included, the male head is connected with the female head through the first switch to form a first line channel, the male head is connected with the female head through the second switch to form a second line channel, and the male head and the female head are connected with the connector of the main gateway.

2. The network redundancy test device for the Fuxing Hao platform motor train unit, according to claim 1, wherein, The first female needle and the second female needle are arranged on the female head, the first male needle and the second male needle are arranged on the male head, the first female needle and the second female needle are connected with the first switch through the circuit line, the first male needle and the second male needle are connected with the first switch through the circuit line, and thus the first line channel is formed.

3. The network redundancy test device for the Fuxing Hao platform motor train unit, according to claim 2, characterized in that, The third female needle and the fourth female needle are arranged on the female head, the third male needle and the fourth male needle are arranged on the male head, the third female needle and the fourth female needle are connected with the second switch through the circuit line, the third male needle and the fourth male needle are connected with the second switch through the circuit line, and thus the second line channel is formed.

4. The network redundancy test device for the Fuxing Hao platform motor train unit set according to claim 3, characterized in that, The female head is a 9-pin RS232 female head, the male head is a 9-pin RS232 male head, the first female needle and the second female needle are respectively the 1-pin and the 2-pin of the RS232 female head, the third female needle and the fourth female needle are respectively the 4-pin and the 5-pin of the RS232 female head, the first male needle and the second male needle are respectively the 1-pin and the 2-pin of the RS232 male head, and the third male needle and the fourth male needle are respectively the 4-pin and the 5-pin of the RS232 male head.

5. The network redundancy test device for the Fuxing Hao platform motor train unit, according to claim 1, wherein, The first switch and the second switch are both single-pole single-throw switches.

6. The network redundancy test device for the Fuxing Hao platform motor train unit set according to claim 3, characterized in that, The first switch is arranged in a first switch box body, the second switch is arranged in a second switch box body, the male head, the first switch box body, the second switch box body and the female head are sequentially arranged, a second circuit line passes through the second switch box body and is arranged in the second switch box body, and a third circuit line passes through the first switch box body and is arranged in the first switch box body.

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