Interface switching device of multi-signal system

By designing an interface adapter for a multi-signal system, the switching of normally closed contacts and normally open contacts can achieve rapid switching between the old signal system and the new signal system, which solves the switching problem in the upgrade and transformation of the signal system and reduces the transformation cost.

CN222966466UActive Publication Date: 2025-06-10ZHUZHOU ELECTRIC LOCOMOTIVE CO LTD
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Patent Information

Application Number
CN202421991638.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-16
Publication Date
2025-06-10
Estimated Expiration
2034-08-16

AI Technical Summary

Technical Problem

During the upgrade and transformation of subway vehicle signal systems, switching between the old signal system and the new signal system is difficult to achieve, resulting in the need to add new interface relays and cables, which increases the transformation cost.

Method used

Design an interface adapter device for a multi-signal system. This device realizes rapid switching between the old signal system and the new signal system through switching between normally closed contacts and normally open contacts, avoiding the increased demand for interface relays and cables.

Benefits of technology

When upgrading and renovating the signal system, the rapid switching between the old signal system and the new signal system is realized, reducing the transformation cost and simplifying the interface conversion process.

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Abstract

The utility model relates to an interface switching device of a multi-signal system, and the device is characterized in that when a first coil is electrified, a normally-closed contact is closed and a normally-open contact is disconnected, and the normally-closed contact is disconnected and the normally-open contact is closed, so that the connection between the interface switching device and a new signal system is switched to the connection between the interface switching device and an old signal system; when the first coil is powered off, the normally-closed contact is switched off and the normally-open contact is closed, and the normally-closed contact is switched off and the normally-open contact is switched on, so that the interface switching device is switched to be communicated with a new signal system from being communicated with the old signal system. The signal acquired by the second coil is sent to the new signal system through the normally-closed contact, so that the interface switching device can realize rapid switching between the old signal system and the new signal system while acquiring the signal, a new interface relay and related cables do not need to be additionally arranged when the old signal system is upgraded and reconstructed, and the cost is reduced. And the transformation cost is effectively reduced.
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Description

Technical Field

[0001] This application belongs to the technical field of rail transit, and particularly relates to an interface transfer device for a multi-signal system. Background Art

[0002] At present, the service life of the signal system of domestic subway vehicles does not match that of the whole vehicle, and the service life of the signal system is relatively short. Therefore, when approaching the service life of the signal system, the signal system needs to be upgraded and transformed. During the transformation process, the vehicle will be installed with both old signal system equipment and new signal system equipment.

[0003] Due to the large number and complexity of the interfaces between the vehicle and the signal system, signal acquisition needs to be completed through interface relays. In the prior art, since the interface relays of the old signal system cannot switch between the old signal system and the new signal system while collecting signals, new interface relays for the new signal system need to be added. However, it is generally difficult to meet the requirements for the location and cable reservation for adding new interface relays on the vehicle. Summary of the Invention

[0004] The purpose of this application is to provide an interface transfer device for a multi-signal system. The interface transfer device provided by this application can quickly switch between the old signal system and the new signal system while collecting signals, so that when upgrading and transforming the old signal system, there is no need to add new interface relays and related cables, effectively reducing the cost of transformation.

[0005] The technical solution provided by this application is as follows:

[0006] An interface transfer device for a multi-signal system,

[0007] The normally closed contact of the interface transfer device is connected to the new signal system;

[0008] The normally open contact of the interface transfer device is connected to the old signal system;

[0009] The interface transfer device is used to, when the first coil of the interface transfer device is energized, disconnect the normally closed contact of the interface transfer device and close the normally open contact, and the signal collected by the second coil of the interface transfer device is sent to the old signal system through the normally open contact; when the first coil of the interface transfer device is de-energized, close the normally closed contact of the interface transfer device and open the normally open contact, and the signal collected by the second coil of the interface transfer device is sent to the new signal system through the normally closed contact.

[0010] Optionally, the interface adapter device includes: a confirmation button acquisition relay, a mode upgrade acquisition relay, a mode downgrade acquisition relay, a local key acquisition relay, a full door lock acquisition relay, and a brake applied acquisition relay;

[0011] The normally closed contacts of the confirmation button acquisition relay, the normally closed contacts of the mode upgrade acquisition relay, the normally closed contacts of the mode downgrade acquisition relay, the normally closed contacts of the local key acquisition relay, the normally closed contacts of the full door lock acquisition relay, and the normally closed contacts of the brake applied acquisition relay are connected to the new signal system;

[0012] The normally open contacts of the confirmation button acquisition relay, the normally open contacts of the mode upgrade acquisition relay, the normally open contacts of the mode downgrade acquisition relay, the normally open contacts of the local key acquisition relay, the normally open contacts of the full door lock acquisition relay, and the normally open contacts of the brake applied acquisition relay are connected to the old signal system.

[0013] Optionally, it further includes: a remote key acquisition relay;

[0014] The normally closed contacts of the remote key acquisition relay are connected to the new signal system;

[0015] The normally open contacts of the remote key acquisition relay are connected to the old signal system.

[0016] Optionally, it further includes: a first integrity acquisition relay;

[0017] The normally closed contacts of the first integrity acquisition relay are connected to the new signal system;

[0018] The normally open contacts of the first integrity acquisition relay are connected to the old signal system.

[0019] Optionally, it further includes: a second integrity acquisition relay;

[0020] The normally closed contacts of the second integrity acquisition relay are connected to the new signal system;

[0021] The normally open contacts of the second integrity acquisition relay are connected to the old signal system.

[0022] Optionally, it further includes: an emergency brake not activated acquisition relay;

[0023] The normally closed contacts of the emergency brake not activated acquisition relay are connected to the new signal system;

[0024] The normally open contacts of the emergency brake not activated acquisition relay are connected to the old signal system.

[0025] Optionally, it further includes: a door emergency unlocking acquisition relay;

[0026] The normally closed contact of the door emergency unlocking acquisition relay is connected to the new signal system;

[0027] The normally open contact of the door emergency unlocking acquisition relay is connected to the old signal system.

[0028] Optionally, it further includes: a first terminal block and a second terminal block;

[0029] The normally closed contacts of the confirmation button acquisition relay, the mode upgrade acquisition relay, the mode downgrade acquisition relay, the local key acquisition relay, the all-door lock closing acquisition relay, the braking applied acquisition relay, the remote key acquisition relay, the first integrity acquisition relay, the second integrity acquisition relay, the emergency braking not activated acquisition relay, and the door emergency unlocking acquisition relay are connected to the new signal system through the first terminal block;

[0030] The normally open contacts of the confirmation button acquisition relay, the mode upgrade acquisition relay, the mode downgrade acquisition relay, the local key acquisition relay, the all-door lock closing acquisition relay, the braking applied acquisition relay, the remote key acquisition relay, the first integrity acquisition relay, the second integrity acquisition relay, the emergency braking not activated acquisition relay, and the door emergency unlocking acquisition relay are connected to the old signal system through the second terminal block.

[0031] Optionally, it further includes: a mounting seat, the mounting seat includes a back plate and a bottom plate, a plurality of card slots are arranged on the back plate, and fixing holes are arranged on the bottom plate;

[0032] The confirmation button acquisition relay, the mode upgrade acquisition relay, the mode downgrade acquisition relay, the local key acquisition relay, the all-door lock closing acquisition relay, the braking applied acquisition relay, the remote key acquisition relay, the first integrity acquisition relay, the second integrity acquisition relay, the emergency braking not activated acquisition relay, and the door emergency unlocking acquisition relay are snap-connected to the back plate through the card slots.

[0033] Optionally, the fixing holes are kidney-shaped holes.

[0034] Compared with the prior art, for an interface transfer device of a multi-signal system provided by the present application, when the first coil of the interface transfer device is powered on, the normally closed contact of the interface transfer device closes and the normally open contact disconnects and switches to the normally closed contact disconnecting and the normally open contact closing, realizing the connection of the interface transfer device to the new signal system and switching to the connection with the old signal system, so that the signal collected by the second coil of the interface transfer device is sent to the old signal system through the normally open contact. When the first coil of the interface transfer device loses power, the normally closed contact of the interface transfer device disconnects and the normally open contact closes and switches to the normally closed contact closing and the normally open contact disconnecting, realizing the connection of the interface transfer device to the old signal system and switching to the connection with the new signal system, so that the signal collected by the second coil of the interface transfer device is sent to the new signal system through the normally closed contact. This enables the interface transfer device to quickly switch between the old signal system and the new signal system while collecting signals, such that when upgrading and transforming the old signal system, there is no need to add new interface relays and related cables, effectively reducing the transformation cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following-described drawings are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0036] Figure 1 It is a schematic diagram of the connection relationship between an interface transfer device of a multi-signal system provided in an embodiment of the present application, a new signal system, and an old signal system;

[0037] Figure 2 It is a block diagram of the structure of an interface transfer device of a multi-signal system provided in an embodiment of the present application;

[0038] Figure 3 It is a schematic diagram of the structure of a mounting base provided in an embodiment of the present application;

[0039] Reference numerals: 100 - interface transfer device; 200 - new signal system; 300 - old signal system; 400 - first terminal block; 500 - second terminal block; 600 - mounting base;

[0040] 101 - Confirm button acquisition relay; 102 - Mode upgrade acquisition relay; 103 - Mode downgrade acquisition relay; 104 - Local key acquisition relay; 105 - All door lock acquisition relay; 106 - Brake applied acquisition relay; 107 - Remote key acquisition relay; 108 - First integrity acquisition relay; 109 - Second integrity acquisition relay; 110 - Emergency brake not activated acquisition relay; 111 - Door emergency unlock acquisition relay;

[0041] 610 - Backplane; 620 - Base plate; 611 - Card slot; 621 - Fixing hole. Detailed implementation manners

[0042] In order to enable those skilled in the art to better understand the technical solutions in this application, the technical solutions in the embodiments of this application will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of this application, rather than all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application.

[0043] It should be noted that when an element is referred to as "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly disposed on the other element; when an element is referred to as "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0044] It should be understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing this application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to this application.

[0045] In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of this application, the meanings of "multiple" and "several" are two or more, unless otherwise specifically defined.

[0046] It should be noted that the structures, ratios, sizes, etc. shown in the attached drawings of this specification are only used to cooperate with the content disclosed in the specification for those familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of this application. Therefore, they do not have substantial technical significance. Any modification of the structure, change in the ratio relationship, or adjustment of the size, without affecting the effects that this application can produce and the purposes that can be achieved, should still fall within the scope that can be covered by the technical content disclosed in this application.

[0047] As Figure 1 shown, an interface conversion device 100 of a multi-signal system is provided in an embodiment of this application. The normally closed contacts of the interface conversion device 100 are connected to the new signal system 200; the normally open contacts of the interface conversion device 100 are connected to the old signal system 300; the interface conversion device 100 is used to, when the first coil of the interface conversion device 100 is powered on, the normally closed contacts of the interface conversion device 100 are disconnected and the normally open contacts are closed, and the signals collected by the second coil of the interface conversion device 100 are sent to the old signal system 300 through the normally open contacts. When the first coil of the interface conversion device 100 loses power, the normally closed contacts of the interface conversion device 100 are closed and the normally open contacts are disconnected, and the signals collected by the second coil of the interface conversion device 100 are sent to the new signal system 200 through the normally closed contacts.

[0048] In this embodiment, the interface conversion device 100 can be a device including multiple interface relays. The normally closed contacts of each interface relay in the interface conversion device 100 are connected to the new signal system 200, and the normally open contacts of each interface relay in the interface conversion device 100 are connected to the old signal system 300. When the first coil of each interface relay in the interface conversion device 100 is powered on, the normally closed contacts of each interface relay in the interface conversion device 100 are disconnected and the normally open contacts are closed, and the signals collected by the second coil of each interface relay in the interface conversion device 100 are sent to the old signal system 300 through the normally open contacts. When the first coil of each interface relay in the interface conversion device 100 loses power, the normally closed contacts of each interface relay in the interface conversion device 100 are closed and the normally open contacts are disconnected, and the signals collected by the second coil of each interface relay in the interface conversion device 100 are sent to the new signal system 200 through the normally closed contacts.

[0049] Compared with the prior art, for an interface transfer device 100 of a multi-signal system provided by the present application, when the first coil of the interface transfer device 100 is powered on, the normally closed contact of the interface transfer device 100 closes and the normally open contact disconnects and switches to the normally closed contact disconnecting and the normally open contact closing, realizing the connection of the interface transfer device 100 to the new signal system 200 switching to the connection to the old signal system 300, so that the signal collected by the second coil of the interface transfer device 100 is sent to the old signal system 300 through the normally open contact. When the first coil of the interface transfer device 100 loses power, the normally closed contact of the interface transfer device 100 disconnects and the normally open contact closes and switches to the normally closed contact closing and the normally open contact disconnecting, realizing the connection of the interface transfer device 100 to the old signal system 300 switching to the connection to the new signal system 200, so that the signal collected by the second coil of the interface transfer device 100 is sent to the new signal system 200 through the normally closed contact. This enables the interface transfer device 100 to quickly switch between the old signal system 300 and the new signal system 200 while collecting signals. When upgrading and transforming the old signal system 300, there is no need to add new interface relays and related cables, effectively reducing the transformation cost.

[0050] As Figure 2 shown, as an implementation, in the embodiment of the present application, the interface transfer device 100 includes: a confirmation button acquisition relay 101, a mode upgrade acquisition relay 102, a mode downgrade acquisition relay 103, a local key acquisition relay 104, a full-door lock acquisition relay 105, and a brake applied acquisition relay 106; the normally closed contacts of the confirmation button acquisition relay 101, the mode upgrade acquisition relay 102, the mode downgrade acquisition relay 103, the local key acquisition relay 104, the full-door lock acquisition relay 105, and the brake applied acquisition relay 106 are connected to the new signal system 200; the normally open contacts of the confirmation button acquisition relay 101, the mode upgrade acquisition relay 102, the mode downgrade acquisition relay 103, the local key acquisition relay 104, the full-door lock acquisition relay 105, and the brake applied acquisition relay 106 are connected to the old signal system 300.

[0051] In this embodiment, the confirmation button acquisition relay 101, the mode upgrade acquisition relay 102, the mode downgrade acquisition relay 103, the local key acquisition relay 104, the full-door lock acquisition relay 105, and the brake applied acquisition relay 106 all belong to an interface relay.

[0052] In this embodiment, when the first coils of the confirmation button acquisition relay 101, the mode upgrade acquisition relay 102, the mode downgrade acquisition relay 103, the local key acquisition relay 104, the all-door lock acquisition relay 105, and the brake applied acquisition relay 106 are energized, the normally closed contacts of the confirmation button acquisition relay 101, the mode upgrade acquisition relay 102, the mode downgrade acquisition relay 103, the local key acquisition relay 104, the all-door lock acquisition relay 105, and the brake applied acquisition relay 106 are disconnected, the normally open contacts of the confirmation button acquisition relay 101, the mode upgrade acquisition relay 102, the mode downgrade acquisition relay 103, the local key acquisition relay 104, the all-door lock acquisition relay 105 are closed, and the confirmation button signal, mode upgrade signal, mode downgrade signal, local key signal, all-door lock signal, and brake applied signal respectively collected by the second coils of the confirmation button acquisition relay 101, the mode upgrade acquisition relay 102, the mode downgrade acquisition relay 103, the local key acquisition relay 104, the all-door lock acquisition relay 105, and the brake applied acquisition relay 106 are sent to the old signal system 300 through the normally open contacts; when the first coils of the confirmation button acquisition relay 101, the mode upgrade acquisition relay 102, the mode downgrade acquisition relay 103, the local key acquisition relay 104, the all-door lock acquisition relay 105, and the brake applied acquisition relay 106 are de-energized, the normally closed contacts of the confirmation button acquisition relay 101, the mode upgrade acquisition relay 102, the mode downgrade acquisition relay 103, the local key acquisition relay 104, the all-door lock acquisition relay 105, and the brake applied acquisition relay 106 are closed, the normally open contacts of the confirmation button acquisition relay 101, the mode upgrade acquisition relay 102, the mode downgrade acquisition relay 103, the local key acquisition relay 104, the all-door lock acquisition relay 105 are disconnected, and the confirmation button signal, mode upgrade signal, mode downgrade signal, local key signal, all-door lock signal, and brake applied signal respectively collected by the second coils of the confirmation button acquisition relay 101, the mode upgrade acquisition relay 102, the mode downgrade acquisition relay 103, the local key acquisition relay 104, the all-door lock acquisition relay 105, and the brake applied acquisition relay 106 are sent to the new signal system 200 through the normally closed contacts.

[0053] As Figure 2 shown, as an implementation, in the embodiments of the present application, it further includes: a remote key acquisition relay 107; the normally closed contact of the remote key acquisition relay 107 is connected to the new signal system 200; the normally open contact of the remote key acquisition relay 107 is connected to the old signal system 300.

[0054] In this embodiment, the remote key acquisition relay 107 also belongs to an interface relay. When the first coil of the remote key acquisition relay 107 is powered on, the normally closed contact of the remote key acquisition relay 107 is disconnected and the normally open contact is closed. The remote key signal collected by the second coil of the remote key acquisition relay 107 is sent to the old signal system 300 through the normally open contact; when the coil of the remote key acquisition relay 107 loses power, the normally closed contact of the remote key acquisition relay 107 is closed and the normally open contact is disconnected. The remote key signal collected by the second coil of the remote key acquisition relay 107 is sent to the new signal system 200 through the normally closed contact.

[0055] As Figure 2 shown, as an implementation, in the embodiments of the present application, it further includes: a first integrity acquisition relay 108; the normally closed contact of the first integrity acquisition relay 108 is connected to the new signal system 200; the normally open contact of the first integrity acquisition relay 108 is connected to the old signal system 300.

[0056] In this embodiment, the first integrity acquisition relay 108 also belongs to an interface relay. When the first coil of the first integrity acquisition relay 108 is powered on, the normally closed contact of the first integrity acquisition relay 108 is disconnected and the normally open contact is closed. The first integrity signal collected by the second coil of the first integrity acquisition relay 108 is sent to the old signal system 300 through the normally open contact; when the coil of the first integrity acquisition relay 108 loses power, the normally closed contact of the first integrity acquisition relay 108 is closed and the normally open contact is disconnected. The first integrity signal collected by the second coil of the first integrity acquisition relay 108 is sent to the new signal system 200 through the normally closed contact.

[0057] As Figure 2 shown, as an implementation, in the embodiments of the present application, it further includes: a second integrity acquisition relay 109; the normally closed contact of the second integrity acquisition relay 109 is connected to the new signal system 200; the normally open contact of the second integrity acquisition relay 109 is connected to the old signal system 300.

[0058] In this embodiment, the second integrity acquisition relay 109 also belongs to an interface relay. When the first coil of the second integrity acquisition relay 109 is powered on, the normally closed contact of the second integrity acquisition relay 109 disconnects and the normally open contact closes. The second integrity signal collected by the second coil of the second integrity acquisition relay 109 is sent to the old signal system 300 through the normally open contact. When the coil of the second integrity acquisition relay 109 loses power, the normally closed contact of the second integrity acquisition relay 109 closes and the normally open contact disconnects. The second integrity signal collected by the second coil of the second integrity acquisition relay 109 is sent to the new signal system 200 through the normally closed contact.

[0059] As Figure 2 shown, as an implementation manner, the embodiment of the present application further includes: an emergency braking not activated acquisition relay 110; the normally closed contact of the emergency braking not activated acquisition relay 110 is connected to the new signal system 200; the normally open contact of the emergency braking not activated acquisition relay 110 is connected to the old signal system 300.

[0060] In this embodiment, the emergency braking not activated acquisition relay 110 also belongs to an interface relay. When the first coil of the emergency braking not activated acquisition relay 110 is powered on, the normally closed contact of the emergency braking not activated acquisition relay 110 disconnects and the normally open contact closes. The emergency braking not activated signal collected by the second coil of the emergency braking not activated acquisition relay 110 is sent to the old signal system 300 through the normally open contact. When the coil of the emergency braking not activated acquisition relay 110 loses power, the normally closed contact of the emergency braking not activated acquisition relay 110 closes and the normally open contact disconnects. The emergency braking not activated signal collected by the second coil of the emergency braking not activated acquisition relay 110 is sent to the new signal system 200 through the normally closed contact.

[0061] As Figure 2 shown, as an implementation manner, the embodiment of the present application further includes: a door emergency unlock acquisition relay 111; the normally closed contact of the door emergency unlock acquisition relay 111 is connected to the new signal system 200; the normally open contact of the door emergency unlock acquisition relay 111 is connected to the old signal system 300.

[0062] In this embodiment, the door emergency unlocking acquisition relay 111 also belongs to an interface relay. When the first coil of the door emergency unlocking acquisition relay 111 is powered on, the normally closed contact of the door emergency unlocking acquisition relay 111 disconnects and the normally open contact closes. The door emergency unlocking signal collected by the second coil of the door emergency unlocking acquisition relay 111 is sent to the old signal system 300 through the normally open contact. When the coil of the door emergency unlocking acquisition relay 111 loses power, the normally closed contact of the door emergency unlocking acquisition relay 111 closes and the normally open contact disconnects. The door emergency unlocking signal collected by the second coil of the door emergency unlocking acquisition relay 111 is sent to the new signal system 200 through the normally closed contact.

[0063] As Figure 2 shown, as an implementation manner, the embodiment of the present application further includes: a first terminal block 400 and a second terminal block 500; the normally closed contacts of the confirmation button acquisition relay 101, the mode upgrade acquisition relay 102, the mode downgrade acquisition relay 103, the local key acquisition relay 104, the all-door lock closure acquisition relay 105, the braking applied acquisition relay 106, the remote key acquisition relay 107, the first integrity acquisition relay 108, the second integrity acquisition relay 109, the emergency braking not activated acquisition relay 110, and the normally closed contact of the door emergency unlocking acquisition relay 111 are connected to the new signal system 200 through the first terminal block 400; the normally open contacts of the confirmation button acquisition relay 101, the mode upgrade acquisition relay 102, the mode downgrade acquisition relay 103, the local key acquisition relay 104, the all-door lock closure acquisition relay 105, the braking applied acquisition relay 106, the remote key acquisition relay 107, the first integrity acquisition relay 108, the second integrity acquisition relay 109, the emergency braking not activated acquisition relay 110, and the normally open contact of the door emergency unlocking acquisition relay 111 are connected to the old signal system 300 through the second terminal block 500.

[0064] In this embodiment, each interface relay is connected to the new signal system 200 through the first terminal block 400 and to the old signal system 300 through the second terminal block 500, making the wiring beautiful, convenient for maintenance, reliable in connection, and convenient for construction and maintenance.

[0065] As Figure 3As shown, as an implementation, in the embodiments of the present application, it further includes: a mounting base 600, the mounting base 600 includes a back plate 610 and a bottom plate 620, a plurality of card slots 611 are provided on the back plate 610, and fixing holes 621 are provided on the bottom plate 620; the confirmation button acquisition relay 101, the mode upgrade acquisition relay 102, the mode downgrade acquisition relay 103, the local key acquisition relay 104, the all-door lock closure acquisition relay 105, the braking applied acquisition relay 106, the remote key acquisition relay 107, the first integrity acquisition relay 108, the second integrity acquisition relay 109, the emergency braking not activated acquisition relay 110, and the door emergency unlock acquisition relay 111 are snap-connected to the back plate 610 through the card slots 611.

[0066] In this embodiment, the mounting base 600 can be made of stainless steel. 14 card slots 611 can be provided on the back plate 610, and each relay is snap-connected to the back plate 610 through the card slots 611 on the back plate 610, making it very convenient to install and remove the relay. Two fixing holes 621 can be provided on the bottom plate 620, and bolts can pass through the fixing holes 621 on the bottom plate 620, so that each relay is fixed on the multi-signal system cabinet through the mounting base 600.

[0067] As Figure 3 shown, as an implementation, in the embodiments of the present application, the fixing hole 621 is an oval hole.

[0068] In this embodiment, by using an oval hole, the bolt can select a suitable position in the oval hole to be fixed to the multi-signal system cabinet as needed.

[0069] It should be understood that if "system", "device", "unit" and / or "module" are used in the present application, it is only a method for distinguishing different components, elements, parts, portions or assemblies at different levels. However, if other words can achieve the same purpose, that word can be replaced by other expressions.

[0070] In the present specification, the embodiments are described in a progressive manner. The key point of each embodiment is to illustrate the differences from

[0071] other embodiments. The same or similar parts among the various embodiments can be referred to each other.

[0072] The foregoing description of the disclosed embodiments enables those skilled in the art to practice or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An interface adapter for a multi-signal system, characterized in that: The normally closed contact of the interface adapter is connected to the new signal system; The normally open contact of the interface adapter is connected to the old signal system; The interface adapter device is used for, when the first coil of the interface adapter device is energized, the normally closed contact of the interface adapter device is disconnected and the normally open contact is closed, and the signal collected by the second coil of the interface adapter device is sent to the old signal system through the normally open contact; when the first coil of the interface adapter device is de-energized, the normally closed contact of the interface adapter device is closed and the normally open contact is disconnected, and the signal collected by the second coil of the interface adapter device is sent to the new signal system through the normally closed contact.

2. The interface adapter according to claim 1, characterized in that: The interface adapter device includes: a confirmation button acquisition relay, a mode upgrade acquisition relay, a mode downgrade acquisition relay, a local key acquisition relay, a full door lock acquisition relay and a brake applied acquisition relay; The normally closed contact of the confirmation button acquisition relay, the normally closed contact of the mode upgrade acquisition relay, the normally closed contact of the mode downgrade acquisition relay, the normally closed contact of the local key acquisition relay, the normally closed contact of the all door lock acquisition relay, and the normally closed contact of the brake applied acquisition relay are connected to the new signal system; The normally open contact of the confirmation button collection relay, the normally open contact of the mode upgrade collection relay, the normally open contact of the mode downgrade collection relay, the normally open contact of the local key collection relay, the normally open contact of the all door lock collection relay, and the normally open contact of the brake applied collection relay are connected to the old signal system.

3. The interface adapter according to claim 2, characterized in that: Also includes: Remote key acquisition relay; The normally closed contact of the remote key acquisition relay is connected to the new signal system; The normally open contact of the remote key acquisition relay is connected to the old signal system.

4. The interface adapter according to claim 3, characterized in that: Also includes: First integrity acquisition relay; The normally closed contact of the first integrity collection relay is connected to the new signal system; The normally open contact of the first integrity acquisition relay is connected to the old signal system.

5. The interface adapter according to claim 4, characterized in that: Also includes: Second integrity acquisition relay; The normally closed contact of the second integrity collection relay is connected to the new signal system; The normally open contact of the second integrity collection relay is connected to the old signal system.

6. The interface adapter according to claim 5, characterized in that: Also includes: The emergency brake does not activate the acquisition relay; The normally closed contact of the emergency brake inactivation collection relay is connected to the new signal system; The normally open contact of the emergency brake inactivation acquisition relay is connected to the old signal system.

7. The interface adapter according to claim 6, characterized in that: Also includes: Door emergency unlocking acquisition relay; The normally closed contact of the door emergency unlocking collection relay is connected to the new signal system; The normally open contact of the door emergency unlocking acquisition relay is connected to the old signal system.

8. The interface adapter according to claim 7, characterized in that: Also includes: a first terminal row and a second terminal row; The normally closed contact of the confirmation button acquisition relay, the normally closed contact of the mode upgrade acquisition relay, the normally closed contact of the mode downgrade acquisition relay, the normally closed contact of the local key acquisition relay, the normally closed contact of the all door lock acquisition relay, the normally closed contact of the brake applied acquisition relay, the normally closed contact of the remote key acquisition relay, the normally closed contact of the first integrity acquisition relay, the normally closed contact of the second integrity acquisition relay, the normally closed contact of the emergency brake not activated acquisition relay, and the normally closed contact of the door emergency unlocking acquisition relay are connected to the new signal system through the first terminal block; The normally open contact of the confirmation button collection relay, the normally open contact of the mode upgrade collection relay, the normally open contact of the mode downgrade collection relay, the normally open contact of the local key collection relay, the normally open contact of the all door lock collection relay, the normally open contact of the brake applied collection relay, the normally open contact of the remote key collection relay, the normally open contact of the first integrity collection relay, the normally open contact of the second integrity collection relay, the normally open contact of the emergency brake not activated collection relay, and the normally open contact of the door emergency unlocking collection relay are connected to the old signal system through the second terminal block.

9. The interface adapter according to claim 7, characterized in that: Also includes: A mounting base, the mounting base comprising a back plate and a bottom plate, the back plate is provided with a plurality of slots, and the bottom plate is provided with fixing holes; The confirmation button acquisition relay, the mode upgrade acquisition relay, the mode downgrade acquisition relay, the local key acquisition relay, the all door lock acquisition relay, the brake applied acquisition relay, the remote key acquisition relay, the first integrity acquisition relay, the second integrity acquisition relay, the emergency brake not activated acquisition relay, and the door emergency unlocking acquisition relay are connected to the back panel through the card slot.

10. The interface adapter according to claim 9, characterized in that: The fixing hole is a waist-shaped hole.