CN204442390U - Large Copacity BTM automatic detection device - Google Patents

Abstract

The utility model discloses a kind of Large Copacity BTM automatic detection device, this device comprises: control module, 27M receiver module, power module, FSK and PSK detection module and self-inspection sending module; Wherein, described power module is connected with 27M receiver module, control module, FSK and PSK detection module and self-inspection sending module respectively; Described control module is also connected with FSK and PSK detection module and self-inspection sending module respectively.Disclosed in the utility model, Large Copacity BTM automatic detection device can detect its operating state, thus has effectively ensured traffic safety.

Description

Large Copacity BTM automatic detection device

Technical field

The utility model relates to technical field of rail traffic, particularly relates to a kind of BTM automatic detection device.

Background technology

The train control system that the general fast circuit of current China uses is CTCS-0 level train control system, train control on board equipment is configured with LKJ (train operation monitoring device), but the amendment of the vehicle-mounted data of LKJ equipment, maintenance and management are present in problems, in order to solve existing LKJ Problems existing, need to use responder system to provide car controlling data to LKJ, make it finally possess CTCS-1 level train control system function.

But existing Europe superscript responder system, the amount of user data of single transponder device is only 830, far can not meet the demand of the system reform, need the amount of information considering to increase system transfers, and hold a concurrent post existing CTCS-2 level train control system, by increasing PSK new tunnel on Europe superscript transponder basis, realize the dilatation of responder system transmission information amount, define Large Copacity transponder transmission system, comprise Large Copacity BTM (transponder transport module) and Large Copacity transponder.

But, at present also less than the relevant programme of carrying out detecting for Large Copacity BTM, thus, there is certain potential safety hazard.

Utility model content

The purpose of this utility model is to provide a kind of Large Copacity BTM automatic detection device, can detect, obtain its operating state, thus effectively ensured traffic safety to Large Copacity BTM.

The purpose of this utility model is achieved through the following technical solutions:

A kind of Large Copacity BTM automatic detection device, this device comprises: control module, 27M receiver module, power module, FSK and PSK detection module and self-inspection sending module;

Wherein, described power module is connected with 27M receiver module, control module, FSK and PSK detection module and self-inspection sending module respectively; Described control module is also connected with FSK and PSK detection module and self-inspection sending module respectively.

Further, described FSK and PSK detection module comprises: the first order filter circuit connected successively, amplifying circuit, second level filter circuit, power detection module and comparator circuit.

Further, described self-inspection sending module comprises:

Module, respectively coupled PSK power amplifier module and FSK power amplifier module are selected in FSK and PSK self-inspection, and the PSK sending module be connected respectively with PSK power amplifier module and FSK power amplifier module and FSK sending module.

Further, this device also comprises: the external interface module be connected with described control module successively and display terminal.

The technical scheme provided as can be seen from above-mentioned the utility model, ensured on the basis of transponder up-link information transmission completeness by PSK and FSK detection module, control module controls self-inspection sending module when Large Copacity BTM is idle, periodically send the self-inspection message signals of different systems to check whether Large Copacity BTM system normally works, and detected the signal strength signal intensity of A4 interface by 27M receiver module, to judge whether Large Copacity BTM power amplifier unit and antenna element normally work; Thus effectively ensured traffic safety; In addition, this device, on original single FSK basis, increases PSK new tunnel, realizes the dilatation of responder system transmission information amount, meets existing system transformation demand, and CTCS-2 level train control system that can be compatible existing.

Accompanying drawing explanation

In order to be illustrated more clearly in the technical scheme of the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.

The structural representation of the Large Copacity BTM automatic detection device that Fig. 1 provides for the utility model embodiment.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on embodiment of the present utility model, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to protection range of the present utility model.

Embodiment

The structural representation of the Large Copacity BTM automatic detection device that Fig. 1 provides for the utility model embodiment.As shown in Figure 1, this device mainly comprises:

Control module, 27M receiver module, power module, FSK and PSK detection module and self-inspection sending module; Wherein, described power module is connected with 27M receiver module, control module, FSK and PSK detection module and self-inspection sending module respectively; Described control module is also connected with FSK and PSK detection module and self-inspection sending module respectively.

Described FSK and PSK detection module, for receiving (by 9M and 4M two frequently antenna reception) and detecting FSK and/or the PSK transponder message signals of BTM (transponder transport module) A1 interface; The detection range of FSK and psk signal comprises the detection of power and/or modulating mode herein, and simple system can a power detect.It mainly comprises: the first order filter circuit connected successively, amplifying circuit, second level filter circuit, power detection module and comparator circuit.

Described 27M receiver module, for carrying out the detection of 27M power signal strength to the A4 interface of BTM, and powers to power module; This 27M receiver module can be made up of discrete device or power detection chip etc.

Described control module, for according to the testing result of FSK and PSK detection module and the testing result of 27M receiver module, obtains the testing result of BTM; And when described FSK and PSK detection module does not receive FSK and/or PSK transponder message signals, control described self-inspection sending module and send FSK and/or PSK self-inspection message signals to BTM.This control module realizes by CPLD (CPLD), and by PC control;

Further, described self-inspection sending module issues corresponding self-inspection message according to the control command of control module; It comprises: module, respectively coupled PSK power amplifier module and FSK power amplifier module are selected in FSK and PSK self-inspection, and the PSK sending module be connected respectively with PSK power amplifier module and FSK power amplifier module and FSK sending module; Whether the self-inspection message selecting model choice to issue by FSK and PSK self-inspection, successively by corresponding signal power amplification module and sending module, and be sent to Large Copacity BTM via BTM antenna cable, normally work to detect Large Copacity BTM.

Optionally, this device also comprises: the external interface module be connected with described control module successively and display terminal;

Wherein, external interface module, for completing the communication of control module and host computer, and powers to power module;

Display terminal, for the testing result of the BTM that display control module is sent by external interface module.

In the utility model embodiment, the compatible two kinds of supply power modes of power module: 27M receiver module is powered, and powered by external interface module, 27M receiver module supply power mode is selected when this device total power consumption is lower, now, this device forms the detection module closed, and the measuring ability of complete independently BTM.

In addition, this checkout gear volume is little and easy for installation, under can being arranged on BTM antenna, or is integrated in BTM inner antenna.

The Large Copacity BTM automatic detection device that the utility model embodiment provides mainly has the following advantages:

1) little being convenient to of this automatic detection device volume is installed, and FSK and PSK detection module can ensure the completeness of normal response device message transmissions;

2) external interface module is optional module, can remove external interface module, adopts 27M receiver module supply power mode, namely forms closed detection module, and the measuring ability of complete independently BTM;

3) the self-inspection message signals of model choice different systems selected by this automatic detection device by PSK and FSK self-inspection, can detect the operating state of Large Copacity BTM;

4) the 27M reception antenna in this automatic detection device, 9M reception antenna, 4M transmitting antenna (9M, the 4M two in Fig. 1 be antenna frequently) have two kinds of modes: duplexer merges between two, triantennary is integrated;

5) this automatic detection device is on original single FSK channel base, increases PSK new tunnel, realizes the dilatation of responder system transmission information amount.

The above; be only the utility model preferably embodiment; but protection range of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed within protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion with the protection range of claims.

Claims (4)

1. a Large Copacity BTM automatic detection device, is characterized in that, this device comprises: control module, 27M receiver module, power module, FSK and PSK detection module and self-inspection sending module;

Wherein, described power module is connected with 27M receiver module, control module, FSK and PSK detection module and self-inspection sending module respectively; Described control module is also connected with FSK and PSK detection module and self-inspection sending module respectively.

2. Large Copacity BTM automatic detection device according to claim 1, is characterized in that, described FSK and PSK detection module comprises: the first order filter circuit connected successively, amplifying circuit, second level filter circuit, power detection module and comparator circuit.

3. Large Copacity BTM automatic detection device according to claim 1, is characterized in that, described self-inspection sending module comprises:

Module, respectively coupled PSK power amplifier module and FSK power amplifier module are selected in FSK and PSK self-inspection, and the PSK sending module be connected respectively with PSK power amplifier module and FSK power amplifier module and FSK sending module.

4. Large Copacity BTM automatic detection device according to claim 1, it is characterized in that, this device also comprises:

The external interface module be connected with described control module successively and display terminal.