CN210941437U - Ground automatic neutral section passing processing device - Google Patents
Ground automatic neutral section passing processing device Download PDFInfo
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- CN210941437U CN210941437U CN201920612595.4U CN201920612595U CN210941437U CN 210941437 U CN210941437 U CN 210941437U CN 201920612595 U CN201920612595 U CN 201920612595U CN 210941437 U CN210941437 U CN 210941437U
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- 230000008859 change Effects 0.000 claims abstract description 49
- 238000005191 phase separation Methods 0.000 claims abstract description 13
- 238000002955 isolation Methods 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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Abstract
The utility model relates to a train passing neutral section technical field discloses a ground automatic passing neutral section processing apparatus, and it is low to have solved among the prior art not have standby mode's ground automatic passing neutral section device reliability to and by many sets of standby device utilization ratio low, problem with high costs. The device comprises: a standby phase change switch; the switch module is connected with the standby commutation switch; and the processor is connected with the switch module and is used for controlling the switch module to act when the fault of the main phase change switch in the ground automatic passing phase separation device is detected, so that the standby phase change switch can work to replace the fault main phase change switch. The utility model is suitable for a phase splitting device is crossed automatically on ground.
Description
Technical Field
The utility model relates to a train passing neutral section technical field specifically, relates to an automatic neutral section processing apparatus that passes of ground.
Background
The electrified railway contact net adopts single-phase power frequency alternating current power supply mode, in order to reduce the voltage unbalance degree of the three-phase power supply net of the power system and improve the utilization rate of the power net, the electrified railway adopts sectional phase-splitting power supply, namely, a section of neutral area without electricity is embedded between two power supply arms with different voltage phases, and each power supply arm and the neutral area are in smooth transition through an anchor section joint. In the electric railway operation, in order to reduce the adverse effect of a contact network electric phase separation area, vehicle-mounted automatic passing phase separation or ground automatic passing phase separation is mostly adopted.
In the existing ground automatic passing neutral section device, a mechanical phase change switch and an electronic phase change switch exist, and a non-standby mode and a standby mode are generally adopted. For the non-standby mode, after the phase change switch is damaged, the ground automatic passing phase separation device cannot normally operate, and the reliability of the device is low. For the standby mode, two sets of standby equipment are adopted as the phase change switches of the main switches, namely each main phase change switch is provided with independent standby equipment, so that the equipment utilization rate is low, and the cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a neutral section processing apparatus is crossed to ground automation has solved among the prior art not have standby mode's neutral section processing apparatus reliability low to and by many sets of standby equipment utilization ratio low, problem with high costs, utilize a reserve commutation switch to carry out reserve to two main commutation switches, on the basis of guaranteeing ground automation neutral section processing apparatus normal operating, reduced equipment cost.
In order to achieve the above object, the present invention provides a ground automatic neutral section passing processing device, which comprises: a standby phase change switch; the switch module is connected with the standby commutation switch; and the processor is connected with the switch module and is used for controlling the switch module to act when the fault of the main phase change switch in the ground automatic passing phase separation device is detected, so that the standby phase change switch can work to replace the fault main phase change switch.
Further, the processor is also used for controlling the line where the switch module is located to be broken when the fault of the main phase change switch in the ground automatic passing phase separation device is not detected.
Further, the switch module comprises a first switch device and a second switch device, one end of the first switch device is connected with a first phase power supply arm of a contact network, the other end of the first switch device is connected with the neutral zone through the standby commutation switch, one end of the second switch device is connected with a second phase power supply arm of the contact network, and the other end of the second switch device is connected with the neutral zone through the standby commutation switch; the main phase change switch in the ground automatic neutral passing device comprises a first main phase change switch arranged between a first phase power supply arm of the overhead line system and the neutral zone and a second main phase change switch arranged between a second phase power supply arm of the overhead line system and the neutral zone, and the processor is further used for controlling the first switch device to be closed when the first main phase change switch is detected to be in fault, so that the standby phase change switch is connected between the first phase power supply arm of the overhead line system and the neutral zone; or when the second main commutation switch is detected to be in fault, controlling the second switching device to be closed so that the standby commutation switch is connected between the second phase power supply arm of the overhead line system and the neutral zone.
Further, the switch module is an isolating switch.
Further, the switch module is a relay.
Further, the standby phase change switch is the same type as the main phase change switch in the ground automatic passing phase change device.
Further, the standby commutation switch is an electronic commutation switch.
Further, the apparatus further comprises: and the circuit breaker is used for electrical isolation in a circuit maintenance state.
The utility model provides a ground automatic passing neutral section processing apparatus includes reserve commutation switch, with the switch module that reserve commutation switch is connected, and with the treater that switch module is connected, the treater is arranged in when detecting the main commutation switch trouble among the automatic passing neutral section device in ground, controls the switch module action, so that reserve commutation switch replaces the main commutation switch work of trouble. The embodiment of the utility model provides a ground automatic passing phase-splitting device reliability that has solved among the prior art and has not had standby mode is low to and by many sets of standby equipment low in utilization ratio, problem with high costs utilizes a reserve commutation switch to carry out reserve to two main commutation switches among the automatic passing phase-splitting device in ground, on the basis of guaranteeing the automatic passing phase-splitting device normal operating in ground, reduced equipment cost.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram of an automatic ground passing neutral section processing apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an automatic ground neutral-section passing apparatus according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a ground automatic neutral-section passing processing device when a first main commutation switch provided by the embodiment of the present invention has a fault;
FIG. 4 is a schematic view of another automatic ground neutral-section passing apparatus according to an embodiment of the present invention.
Description of the reference numerals
21- -first switching device 22- -second switching device
51,52, 53-circuit breakers
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
Fig. 1 is a schematic structural diagram of an automatic ground passing neutral section processing apparatus according to an embodiment of the present invention. As shown in fig. 1, the apparatus includes a standby phase change switch 11, a switch module 12 connected to the standby phase change switch, and a processor 13 connected to the switch module, wherein the processor is configured to control the switch module to operate when a failure of a main phase change switch in the ground auto-passing phase change apparatus is detected, so that the standby phase change switch operates in place of the failed main phase change switch.
Wherein, two main commutation switch in the automatic neutral section that crosses on ground device can share the embodiment of the utility model provides a reserve commutation switch in the device, and when the treater detected arbitrary one trouble in two main commutation switches, control the switch module action, so that reserve commutation switch replaces the work of the main commutation switch of trouble, thereby guarantees the automatic neutral section that crosses on ground device normal operating and performance remain unchanged, has reduced another in two reserve commutation switches among the prior art moreover, reduces equipment cost, improve equipment utilization.
In addition, the processor is also used for controlling the circuit where the switch module is located to be broken when the fault of the main phase change switch in the ground automatic passing phase separation device is not detected. That is to say, when the fault of the main phase change switch in the ground automatic passing phase separation device is not detected, the circuit where the switch module is located is in a short-circuit state, the main phase change switch works normally, and the standby phase change switch is not switched on.
In an embodiment of the present invention, as shown in fig. 2, the switch module includes a first switch device 21 and a second switch device 22, the first phase power supply arm 31 of the contact network is connected to one end of the first switch device 21, the other end passes through the neutral region 33 connected to the standby commutation switch 11, the second phase power supply arm 32 of the contact network is connected to one end of the second switch device 22, and the other end passes through the standby commutation switch 11 connected to the neutral region 33. As shown in fig. 2, the main commutation switch in the ground automatic neutral passing device includes a first main commutation switch 41 disposed between the catenary first phase supply arm 31 and the neutral zone 33, and a second main commutation switch 42 disposed between the catenary second phase supply arm 32 and the neutral zone 33. In addition, JY1 and JY2 are split-phase insulators. The general ground automatic passing neutral section device is provided with a fault detection unit for a main phase change switch, and when the fault detection unit detects the main phase change switch, a fault prompt is sent. For example, as shown in fig. 3, when the failure detection unit in the ground auto-passing phase separation device detects that the first main commutation switch 41 has failed, a failure indication of the first main commutation switch is issued, and when the processor 13 detects the failure indication, the first switching device 21 is controlled to be closed, so that the standby commutation switch 11 is connected between the catenary first phase supply arm 31 and the neutral region 33, so that the standby commutation switch 11 operates in place of the first main commutation switch 41. As shown in fig. 3, when the ground automatic passing phase separation device detects that the train reaches the position CG1, the standby phase change switch is controlled to be closed, when the train reaches the position CG2, the standby phase change switch is controlled to be opened, the second main phase change switch is controlled to be closed, and then when the train reaches the position CG3, the second main phase change switch is controlled to be opened.
Similarly, when the fault detection unit in the ground automatic phase-passing device detects that the second main commutation switch 42 is faulty, a fault indication of the second main commutation switch is sent out, and when the processor 13 detects the fault indication, the second switching device 22 is controlled to be closed, so that the standby commutation switch 11 is connected between the catenary second phase power supply arm 32 and the neutral region 33, so that the standby commutation switch 11 works in place of the second main commutation switch 42. When the standby phase change switch replaces the main phase change switch to work, the working program of the standby phase change switch is consistent with that of the main phase change switch and is controlled by the ground automatic passing phase separation device.
In addition, the first switching device and the second switching device in the switching module may be isolation switches or relays.
Wherein, the utility model provides an automatic neutral section processing apparatus that crosses in ground is applicable to mechanical switch's automatic neutral section device that crosses in ground, perhaps electronic switch's automatic neutral section device that crosses in ground, moreover reserve commutation switch can with the automatic type that crosses main commutation switch in the neutral section device in ground is the same, perhaps reserve commutation switch can be electronic commutation switch.
In addition, to facilitate circuit maintenance, the apparatus further comprises circuit breakers 51,52,53 for electrical isolation in circuit servicing conditions, as shown in fig. 4.
Through the utility model provides an automatic neutral section processing apparatus that crosses in ground utilizes a public reserve commutation switch, guarantees the automatic neutral section device normal operating that crosses in ground, and the performance keeps unchangeable. Compared with the prior art, the standby phase change switch is omitted, and the equipment cost is reduced.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations.
In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.
Claims (8)
1. An automatic ground passing neutral section processing apparatus, comprising:
a standby commutation switch;
the switch module is connected with the standby commutation switch; and
and the processor is connected with the switch module and used for controlling the switch module to act when any fault of two main phase change switches in the ground automatic passing phase separation device is detected, so that the standby phase change switch can work instead of the main phase change switch with the fault.
2. The apparatus of claim 1, wherein the processor is further configured to control the line on which the switch module is located to open when a failure of a main commutation switch in the ground auto-passing neutral section is not detected.
3. The apparatus of claim 1, wherein the switch module comprises a first switch device and a second switch device, the first switch device is connected with a first phase power supply arm of a contact network at one end, and is connected with a neutral zone at the other end through the standby commutation switch, the second switch device is connected with a second phase power supply arm of the contact network at one end, and is connected with the neutral zone at the other end through the standby commutation switch;
the main phase change switch in the ground automatic passing neutral section device comprises a first main phase change switch arranged between a first phase power supply arm of the contact network and the neutral section and a second main phase change switch arranged between a second phase power supply arm of the contact network and the neutral section,
the processor is further used for controlling the first switching device to be closed when the first main commutation switch is detected to be in fault, so that the standby commutation switch is connected between the first phase power supply arm of the overhead line system and the neutral zone; or when the second main commutation switch is detected to be in fault, controlling the second switching device to be closed so that the standby commutation switch is connected between the second phase power supply arm of the overhead line system and the neutral zone.
4. The apparatus of claim 1, wherein the switch module is a disconnector.
5. The apparatus of claim 1, wherein the switch module is a relay.
6. The apparatus of claim 1, wherein the backup commutation switch is of the same type as a primary commutation switch in the ground auto-passing neutral.
7. The apparatus of claim 1, wherein the backup commutation switch is an electronic commutation switch.
8. The apparatus of claim 1, further comprising:
and the circuit breaker is used for electrical isolation in a circuit maintenance state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920612595.4U CN210941437U (en) | 2019-04-29 | 2019-04-29 | Ground automatic neutral section passing processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920612595.4U CN210941437U (en) | 2019-04-29 | 2019-04-29 | Ground automatic neutral section passing processing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210941437U true CN210941437U (en) | 2020-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920612595.4U Active CN210941437U (en) | 2019-04-29 | 2019-04-29 | Ground automatic neutral section passing processing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210941437U (en) |
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2019
- 2019-04-29 CN CN201920612595.4U patent/CN210941437U/en active Active
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