CN218782550U - Railway track circuit voltage adjusting device - Google Patents
Railway track circuit voltage adjusting device Download PDFInfo
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- CN218782550U CN218782550U CN202120285525.XU CN202120285525U CN218782550U CN 218782550 U CN218782550 U CN 218782550U CN 202120285525 U CN202120285525 U CN 202120285525U CN 218782550 U CN218782550 U CN 218782550U
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- 238000004088 simulation Methods 0.000 claims abstract description 4
- 230000002457 bidirectional effect Effects 0.000 claims description 12
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000007257 malfunction Effects 0.000 claims 1
- 230000000630 rising effect Effects 0.000 abstract 1
- 206010014357 Electric shock Diseases 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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Abstract
The utility model provides a railway track circuit voltage adjusting device, including the two-way counting circuit, simulation two-way switch circuit, state auto-lock interlock circuit, relay combination circuit and the switching power supply circuit that connect gradually, relay combination circuit is equipped with six input terminals and two output terminals, six input terminals are connected with the binding post of track transformer secondary side respectively, two output terminals are connected with railway rail supply voltage both ends respectively, switching power supply circuit is equipped with two power supply terminals, two power supply terminals are connected with the binding post that the track transformer once inclines respectively. The utility model discloses changed artifical manual adjustment track transformer output voltage's operation mode, realized rising or reduction track transformer output voltage through key control, can effectively prevent the electric shock accident, guarantee operation personnel personal safety, can keep operating condition stable when the track has the car to occupy simultaneously.
Description
Technical Field
The utility model belongs to the technical field of the railway track, a railway track circuit voltage adjusting device is related to.
Background
In the railway transportation industry, the track circuit voltage adjustment is an equipment maintenance project which consumes manpower resources and has great operation risks. At present, the rail circuit voltage adjustment in the railway transportation industry adopts a manual operation mode, a large amount of human resources are required to be input to carry out on-site rail circuit adjustment under the abnormal weather conditions such as rainy and snowy days, meanwhile, in the rail circuit adjustment operation process, a maintainer must adjust an output terminal of a transformer in an electrified mode, 220v alternating current is easily and directly touched, and the risk of electric shock accidents is very high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a railway track circuit voltage adjusting device to the problem that prior art exists, solved the problem of production maintainer safety operation.
Therefore, the utility model adopts the following technical proposal:
the utility model provides a railway track circuit voltage adjusting device, is including the two-way counting circuit, simulation two-way switch circuit, state auto-lock interlock circuit, relay combination circuit and the switching power supply circuit that connect gradually, relay combination circuit is equipped with six input terminal and two output terminal, six input terminal are connected with the binding post of track transformer secondary side respectively, two output terminal are connected with railway rail supply voltage both ends respectively, the switching power supply circuit is equipped with two power supply terminals, two power supply terminals are connected with the binding post of track transformer primary side respectively.
Further, the bidirectional counter circuit mainly comprises a decimal synchronous up-down counter for converting an input counting pulse signal into a four-digit coded digital signal of decimal output.
Furthermore, the analog bidirectional switch circuit mainly comprises a decoder and a bidirectional switch circuit and is used for converting an input decimal four-digit coded digital signal into a ten-digit output signal.
Furthermore, the state self-locking interlocking circuit mainly comprises a plurality of paths of operational amplifiers and is used for locking the high level of the decimal decoding output end to prevent the circuit from generating misoperation.
Furthermore, the relay combination circuit is mainly composed of twelve sets of single-opening and single-closing relays which are arranged and combined, and is used for completing output voltage adjustment of the track transformer by controlling the opening and closing of different relay combinations.
The beneficial effects of the utility model reside in that:
the utility model discloses can carry out track circuit transformer output voltage's adjustment through the button in the use, during the operation staff contactless transformer terminal just can realize the output voltage adjustment, prevents to take place the bodily injury that electrocutes, simultaneously the utility model discloses can also guarantee that the track has the car to occupy the time can keep operating condition stable.
Drawings
Fig. 1 is a schematic view of the connection structure of the present invention;
fig. 2 is a schematic diagram of the circuit structure of the present invention.
In the figure, 1-bidirectional counting circuit, 2-analog bidirectional switch circuit, 3-state self-locking interlocking circuit, 4-relay combination circuit, 5-switch power circuit, 6-track transformer and 7-railway steel rail.
Detailed Description
The technical solution of the present invention will be described below with reference to the accompanying drawings and implementation methods.
As shown in fig. 1 and 2, the railway track circuit voltage adjusting device comprises a bidirectional counting circuit 1, an analog bidirectional switch circuit 2, a state self-locking interlock circuit 3, a relay combination circuit 4 and a switch power supply circuit 5 which are connected in sequence.
Specifically, the bidirectional counter circuit 1 is composed of a decimal synchronous up-down counter, and is mainly used for converting an input counting pulse signal into a decimal output four-4-bit coded digital signal; the analog bidirectional switch circuit 2 consists of a 4-line-10-line decoder (BCD input) and a bidirectional switch circuit and is used for converting an input decimal four-digit coded digital signal into a ten-digit output signal; the state self-locking interlocking circuit 3 mainly comprises a plurality of paths of operational amplifiers and is used for locking the high level of the decimal decoding output end to prevent the circuit from generating misoperation; the relay combination circuit 4 is composed of 12 groups of single-opening single-closing relays, is arranged and combined according to the output voltage of the terminal of the track transformer, and is used for finishing the adjustment of the output voltage of the track transformer by controlling the opening and closing of different relay combinations.
In addition, the relay interlocking circuit 4 is provided with six input terminals and two output terminals, wherein the six input terminals are respectively connected with the wiring terminals on the secondary side of the track transformer 6, and the two output terminals are respectively connected with the voltage at two ends of the railway steel rail 7; switching power supply circuit 5 (not shown in the figure) is used for adopting current circuit structure for the power supply of two-way counting circuit 1, simulation two-way switching circuit 2, state auto-lock interlock circuit 3 and relay combination circuit 4, so no longer giving details here, the utility model discloses switching power supply circuit 5 is equipped with two power supply terminals, and two power supply terminals are connected with the binding post that track transformer 6 once inclines respectively.
The utility model discloses control circuit should install in track circuit power transmission end box, after inserting track circuit, press "+" button, will progressively promote track circuit transformer output terminal voltage, otherwise when pressing "-" button, will progressively reduce track circuit transformer output terminal voltage, because the maintainer only needs to press the button just can realize the railway track voltage adjustment, changed the manual operation mode of directly adjusting track circuit transformer output terminal of manual work, so can effectively prevent the emergence of electric shock personal accident; when the voltage of the track circuit is adjusted to accord with the rated working voltage of the indoor relay and the "+" - "key is not pressed any more, the voltage adjusting device keeps the current output voltage terminal unchanged through the state self-locking interlocking circuit 3.
Claims (5)
1. The utility model provides a railway track circuit voltage adjusting device, its characterized in that, including the two-way counting circuit, the simulation two-way switch circuit, state auto-lock interlock circuit, relay combination circuit and the switching power supply circuit that connect gradually, relay combination circuit is equipped with six input terminal and two output terminal, six input terminal are connected with the binding post of track transformer secondary side respectively, two output terminal are connected with railway rail supply voltage both ends respectively, switching power supply circuit is equipped with two power supply terminals, two power supply terminals are connected with the binding post of track transformer primary side respectively.
2. The apparatus of claim 1, wherein the bidirectional counter circuit is comprised of a decimal synchronous up-down counter for converting an input count pulse signal into a four-digit coded digital signal of a decimal output.
3. The apparatus of claim 1, wherein the analog bidirectional switch circuit is mainly composed of a decoder and a bidirectional switch circuit for converting an input decimal four-digit coded digital signal into a ten-digit output signal.
4. The apparatus as claimed in claim 1, wherein the status self-locking interlock circuit is mainly composed of a plurality of operational amplifiers for locking a high level of the decimal decoded output terminal to prevent malfunction of the circuit.
5. The apparatus of claim 1, wherein the relay combination circuit is mainly composed of twelve single-open and single-close relay arrangements, and is used for adjusting the output voltage of the track transformer by controlling the opening and closing of different relay combinations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120285525.XU CN218782550U (en) | 2021-02-02 | 2021-02-02 | Railway track circuit voltage adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120285525.XU CN218782550U (en) | 2021-02-02 | 2021-02-02 | Railway track circuit voltage adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218782550U true CN218782550U (en) | 2023-03-31 |
Family
ID=85707706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120285525.XU Active CN218782550U (en) | 2021-02-02 | 2021-02-02 | Railway track circuit voltage adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218782550U (en) |
-
2021
- 2021-02-02 CN CN202120285525.XU patent/CN218782550U/en active Active
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240412 Address after: 737104 No. 2 Lanzhou Road, Beijing Road Street, Jinchuan District, Jinchang City, Gansu Province Patentee after: Jinchuan Group Nickel Cobalt Co.,Ltd. Country or region after: China Address before: No.98, Jinchuan Road, Jinchuan District, Jinchang City, Gansu Province 737100 Patentee before: JINCHUAN GROUP Co.,Ltd. Country or region before: China |