A traction transformer control cabinet and a rail train

By introducing a signal integration and processing device into the traction transformer control cabinet of the rail train, the protection signal is converted into a communication network signal, which solves the problem of complex wiring and realizes integrated signal transmission and improved reliability.

CN115834624BActive Publication Date: 2026-03-27CSR ZHUZHOU ELECTRIC CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-11-18
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

In the existing technology, the wiring of the traction transformer of rail trains is complicated, with a large number of cables, which takes up a lot of space and the signal transmission is not reliable enough.

Method used

A traction transformer control cabinet is used, and a signal integration processing device is used to convert the protection signal into an integrated transmission signal of the target communication network. The signal is then transmitted to the vehicle controller via a communication network cable, reducing hard wiring connections and achieving integrated signal transmission.

Benefits of technology

It reduces wiring space, improves signal transmission reliability, and simplifies wiring complexity.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN115834624B_ABST
    Figure CN115834624B_ABST
Patent Text Reader

Abstract

The application discloses a traction transformer control cabinet and a rail train, and relates to the technical field of rail transit vehicles.The traction transformer control cabinet comprises a detachable shell and a signal integrated processing device arranged in the detachable shell; wherein the signal integrated processing device is used for receiving a protection signal of a traction transformer, converting the protection signal into an integrated transmission signal of a target communication network, and transmitting the integrated transmission signal to a whole vehicle controller of the rail train through a cable of the target communication network; through the arrangement of the traction transformer control cabinet, the signal integrated processing device in the traction transformer control cabinet is used for converting the protection signal into the integrated transmission signal of the target communication network, and the integrated transmission signal is transmitted to the whole vehicle controller of the rail train through the cable of the target communication network, so that the number of cables connected between the traction transformer and the whole vehicle is reduced, wiring space is saved, and the reliability of signal transmission is improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The present application relates to the field of rail transit vehicles, in particular to a traction transformer control cabinet and a rail train. BACKGROUND

[0002] The traction transformer of the rail transit vehicle is installed on the train, converts the high-voltage electricity of the contact network 25kV into various low-voltage electricity required by the traction system and auxiliary system, is a special voltage grade power transformer, needs to meet the requirement of drastic change of traction load, needs to suppress harmonic current and limit short-circuit current, so as to ensure the safe, stable and reliable operation of the train electric drive system, is the power source of the rail vehicle, and is the core and key component of the traction system.

[0003] In the prior art, in order to ensure the safe operation of the traction transformer, oil flow, pressure, temperature and oil level protection signals need to be arranged in the traction transformer, and low-voltage peripheral components such as oil pump and fan motor are arranged, the protection signal and the oil pump fan power supply line are connected with the whole vehicle through hard wire, the signal line and the power supply line have a large number of wiring paths, occupy a large space and have complex wiring.

[0004] Therefore, how to reduce the number of cables connected between the traction transformer and the whole vehicle and save the wiring space is a problem to be solved urgently at present. SUMMARY

[0005] The present application aims to provide a traction transformer control cabinet and a rail train, so as to realize the integrated transmission of the protection signal of the traction transformer and the rail vehicle, save the wiring space and improve the reliability of signal transmission.

[0006] To solve the above technical problems, the present application provides a traction transformer control cabinet, comprising: a detachable shell and a signal integrated processing device arranged in the interior of the detachable shell.

[0007] The signal integrated processing device is used for receiving the protection signal of the traction transformer, converting the protection signal into an integrated transmission signal of a target communication network, and transmitting the integrated transmission signal to the whole vehicle controller of the rail train through the cable of the target communication network; wherein the protection signal comprises at least two of a pressure signal, a temperature signal, an oil level signal and an oil flow signal.

[0008] Optionally, the signal integrated processing device comprises:

[0009] a signal integrated module for receiving the protection signal;

[0010] a processing and transmission module for processing the protection signal, converting the protection signal into the integrated transmission signal of the target communication network, and transmitting the integrated transmission signal to the whole vehicle controller.

[0011] Optionally, the target communication network is Ethernet.

[0012] Optionally, an outer side of the detachable shell is provided with an Ethernet plug, a signal integrated plug and a control cabinet power plug.

[0013] The signal integrated processing device is connected with the traction transformer through the signal integrated plug, used for receiving the protection signal sent by the traction transformer; the signal integrated processing device is connected with the vehicle controller through the Ethernet plug, used for sending the integrated transmission signal to the vehicle controller through Ethernet; and the rail train is powered to the signal integrated processing device through the control cabinet power plug.

[0014] Optionally, the detachable shell comprises a cabinet body and a box cover; wherein the box cover is detachably connected with the cabinet body.

[0015] Optionally, the box cover is arranged above the cabinet body, and an outer side of a side wall of the cabinet body is provided with a handle part.

[0016] Optionally, the traction transformer control cabinet further comprises a memory arranged inside the detachable shell.

[0017] The memory is connected with the signal integrated processing device, used for storing the protection signal.

[0018] In addition, the present application also provides a rail train, comprising the traction transformer control cabinet as described above.

[0019] The traction transformer control cabinet provided by the present application comprises a detachable shell and a signal integrated processing device arranged inside the detachable shell; wherein the signal integrated processing device is used for receiving a protection signal of a traction transformer, converting the protection signal into an integrated transmission signal of a target communication network, and transmitting the integrated transmission signal to a vehicle controller of a rail train through a cable of the target communication network; wherein the protection signal comprises at least two of a pressure signal, a temperature signal, an oil level signal and an oil flow signal.

[0020] It can be seen that, by arranging the traction transformer control cabinet, the signal integrated processing device in the traction transformer control cabinet is used for converting the protection signal into the integrated transmission signal of the target communication network, and transmitting the integrated transmission signal to the vehicle controller of the rail train through the cable of the target communication network, so that the direct hard-wire connection of the protection signal of the traction transformer and the vehicle is avoided, the integrated transmission of the protection signal of the traction transformer and the rail vehicle is realized, the number of cables connected between the traction transformer and the vehicle is reduced, the wiring space is saved and the reliability of signal transmission is improved. In addition, the present application also provides a rail train, which also has the above beneficial effects. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0022] Figure 1 This is a structural block diagram of a traction transformer control cabinet provided in an embodiment of the present invention;

[0023] Figure 2 An external view of another traction transformer control cabinet provided in an embodiment of the present invention;

[0024] Figure 3 This is a schematic diagram of another traction transformer control cabinet provided in an embodiment of the present invention. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0026] Please refer to Figure 1 Please refer to Figure 1 , Figure 1 This is a structural block diagram of a traction transformer control cabinet provided in an embodiment of the present invention. The traction transformer control cabinet may include: a detachable housing 10 and a signal integration and processing device 20 disposed inside the detachable housing 10;

[0027] The signal integration processing device 20 is used to receive the protection signal of the traction transformer, convert the protection signal into an integrated transmission signal of the target communication network, and transmit the integrated transmission signal to the whole vehicle controller of the rail train through the cable of the target communication network; wherein the protection signal includes at least two of the following: pressure signal, temperature signal, oil level signal and oil flow signal.

[0028] It can be understood that the detachable shell 10 in the embodiment can be a detachable and openable shell of a traction transformer control cabinet (or an intelligent cabinet), so that when the components (such as the signal integrated processing device 20) inside the detachable shell 10 are maintained, the staff can conveniently open the detachable shell 10 to check the internal components, and close and restore the detachable shell 10 after the maintenance is completed.

[0029] Specifically, for the specific structure of the detachable shell 10 in the embodiment, the designer can set it according to the practical scene and user demand, such as Figure 2 As shown in the figure, the detachable shell 10 can include a cabinet body 11 and a box cover 12; wherein the box cover 12 is detachably connected with the cabinet body 11; that is, the box cover 12 can be a detachable part of the detachable shell 10, and the staff can detach the cover plate 12 during maintenance to maintain the components (such as the signal integrated processing device 20) inside the cabinet body 11. As long as the detachable shell 10 can be detached and opened, the embodiment does not make any limitation.

[0030] Correspondingly, in order to facilitate the detachment of the detachable shell 10, the detachable shell 10 in the embodiment can also be provided with a handle component. As shown in the figure, Figure 2 When the box cover 12 is arranged above the cabinet body 11, the outer side of the side wall of the cabinet body can be provided with a handle component 13, so that the staff can detach the cover plate 12 through the handle component 13.

[0031] It should be noted that the signal integrated processing device 20 in the embodiment can be a signal receiving and processing device inside the traction transformer control cabinet. The protection signal in the embodiment can be a sensor detection signal collected and sent by the traction transformer side for protecting the normal operation of the traction transformer, such as a pressure signal, a temperature signal, an oil level signal and an oil flow signal. The signal integrated processing device 20 in the embodiment can convert the protection signal into an integrated transmission signal of the target communication network, and transmit the integrated transmission signal to the vehicle controller of the track train through the cable of the target communication network, so as to convert the respective protection signals into the integrated transmission signal of the target communication network and transmit it to the vehicle controller, thereby improving the reliability of signal transmission, and replacing the hard-wired connection of the protection signal of the traction transformer with the vehicle with the cable of the target communication network, thereby saving the wiring space.

[0032] Correspondingly, for the specific signal type of the protection signal of the traction transformer received by the signal integrated processing device 20, the designer can set it according to the practical scene and user demand, such as the protection signal of the traction transformer can include at least two of the pressure signal, the temperature signal, the oil level signal and the oil flow signal of the traction transformer; for example, the protection signal can include the pressure signal, the temperature signal, the oil level signal and the oil flow signal of the traction transformer. The embodiment does not make any limitation.

[0033] Specifically, for the specific structure type of the signal integration processing device 20 in the embodiment, the designer can set it according to the practical scene and user demand, for example, the signal integration processing device 20 can include a signal integration module and a processing and transmission module; the signal integration module can be connected with the traction transformer, used for receiving the protection signal to realize the integration of the protection signal; the processing and transmission module can be connected with the signal integration module and the vehicle controller, used for processing the protection signal, converting the protection signal into the integrated transmission signal of the target communication network, and transmitting the integrated transmission signal to the vehicle controller through the cable of the target communication network. As long as the signal integration processing device 20 can realize the integration of the protection signal and the conversion transmission of the target communication network, the embodiment does not make any limitation.

[0034] It should be noted that for the specific network type of the target communication network in the embodiment, that is, the specific signal type of the integrated transmission signal, the designer can set it according to the practical scene and user demand, for example, the target communication network in the embodiment can be an Ethernet, that is, the integrated transmission signal can be an Ethernet signal; as shown in the figure, Figure 3 The processing and transmission module in the signal integration processing device 20 can process the protection signal received and integrated by the signal integration module, convert the protection signal into the integrated transmission signal of the Ethernet, and transmit the integrated transmission signal to the vehicle controller through the Ethernet. The target communication network can also be other local area network type communication network. The embodiment does not make any limitation.

[0035] Specifically, as shown in the figure, Figure 2 The outer side of the detachable shell 10 can be provided with a communication network plug 31, a signal integration plug 32 and a control cabinet power plug 33; the signal integration processing device 20 is connected with the traction transformer through the signal integration plug 32, used for receiving the protection signal sent by the traction transformer; the signal integration processing device 20 is connected with the vehicle controller through the communication network plug 31, used for sending the integrated transmission signal to the vehicle controller through the target communication network; the signal integration processing device 20 is powered by the control cabinet power plug 33 of the track train, that is, the corresponding power supply end in the track train can be connected with the control cabinet power plug 33 to power the components (such as the signal integration processing device 20) inside the detachable shell 10. For example, when the target communication network is an Ethernet, the communication network plug 31 can be an Ethernet plug, that is, the signal integration processing device 20 is connected with the vehicle controller through the Ethernet plug, used for sending the integrated transmission signal to the vehicle controller through the Ethernet.

[0036] Further, the traction transformer control cabinet provided in the embodiment can further include a memory arranged inside the detachable shell 10, wherein the memory is connected with the signal integrated processing device 20 and used for storing the protection signals. For example, the memory can be connected with the signal integrated module and / or the processing and transmission module in the signal integrated processing device 20 to receive and store the protection signals of the traction transformer.

[0037] Correspondingly, the signal integrated processing device 20 in the embodiment can also find the target protection signal corresponding to the signal download request according to the signal download request sent by the vehicle controller from the memory, and return the target protection signal converted into the corresponding integrated transmission signal to the vehicle controller to realize the download of the protection signal. For example, the processing and transmission module in the signal integrated processing device 20 can find the target protection signal corresponding to the signal download request according to the signal download request sent by the vehicle controller from the memory, and return the target protection signal converted into the corresponding integrated transmission signal to the vehicle controller.

[0038] Further, the traction transformer control cabinet provided in the embodiment can further include a low-voltage power supply module arranged inside the detachable shell 10; wherein the low-voltage power supply module is used for supplying power to the low-voltage peripheral components of the traction transformer by the rail train, and the low-voltage peripheral components include the fan and the oil pump. That is to say, the low-voltage power supply module inside the traction transformer control cabinet can convert the power supply of the rail train into the corresponding low-voltage power supply voltage to supply power to the corresponding low-voltage peripheral components, so as to avoid the case that the power lines of the low-voltage peripheral components such as the oil pump and the fan are directly connected with the vehicle through hard lines, and further save the wiring space.

[0039] In the embodiment, the signal integrated processing device 20 in the traction transformer control cabinet is used to convert the protection signals into the integrated transmission signals of the target communication network, and the integrated transmission signals are transmitted to the vehicle controller of the rail train through the cable of the target communication network, so as to avoid the direct hard line connection between the protection signals of the traction transformer and the vehicle, realize the integrated transmission of the protection signals of the traction transformer and the rail vehicle, reduce the number of cables connected between the traction transformer and the vehicle, save the wiring space and improve the reliability of signal transmission.

[0040] Corresponding to the above traction transformer control cabinet embodiment, the embodiment of the application further provides a rail train, and the rail train described below can be correspondingly referred to the traction transformer control cabinet described above.

[0041] A rail train includes the traction transformer control cabinet provided in the above embodiment.

[0042] The various embodiments are described in the specification by way of progression, each building on the last to facilitate ease of understanding. The same or similar parts and / or functions between different embodiments are denoted by like reference numerals. For the track train, as it corresponds to the traction transformer control cabinet, the description is relatively simple and the relevant parts are described in the method section.

[0043] The traction transformer control cabinet and track train provided by the present application are described in detail above. The principles and implementation manners of the present application are described by applying specific examples in this paper, and the above description of the embodiments is only used to help understand the method of the present application and its core idea. Therefore, for those skilled in the art, some improvements and modifications can be made to the present application without departing from the principles of the present application, and these improvements and modifications also fall within the protection scope of the claims of the present application.

Claims

1. A traction transformer control cabinet, characterized in that, include: A removable housing and a signal integration processing device disposed inside the removable housing; The signal integration processing device is used to receive the protection signal of the traction transformer, convert the protection signal into an integrated transmission signal of the target communication network, and transmit the integrated transmission signal to the vehicle controller of the railcar through the cable of the target communication network; wherein the protection signal includes at least two of the following: pressure signal, temperature signal, oil level signal, and oil flow signal; The target communication network is specifically Ethernet; The outer side of the detachable housing is equipped with an Ethernet plug, a signal integration plug, and a control cabinet power plug. The signal integration processing device is connected to the traction transformer via the signal integration plug to receive the protection signal sent by the traction transformer; the signal integration processing device is connected to the vehicle controller via the Ethernet plug to send the integrated transmission signal to the vehicle controller via Ethernet; the power supply terminal in the railcar supplies power to the signal integration processing device via the control cabinet power plug.

2. The traction transformer control cabinet according to claim 1, characterized in that, The signal integration processing device includes: A signal integration module is used to receive the protection signal; The processing and transmission module is used to process the protection signal, convert the protection signal into an integrated transmission signal of the target communication network, and transmit it to the vehicle controller.

3. The traction transformer control cabinet according to claim 1, characterized in that, The detachable outer shell includes a cabinet and a lid; wherein the lid is detachably connected to the cabinet.

4. The traction transformer control cabinet according to claim 3, characterized in that, The lid is located on top of the cabinet, and a handle is provided on the outer side of the side wall of the cabinet.

5. The traction transformer control cabinet according to any one of claims 1-4, characterized in that, Also includes: The memory located inside the removable housing; The memory is connected to the signal integration processing device and is used to store the protection signal.

6. A rail train, characterized in that, include: The traction transformer control cabinet as described in any one of claims 1 to 5.

Citation Information

Patent Citations

  • Traction transformer on-line monitoring device

    CN211744140U