CN202429220U

CN202429220U - Photo-electricity semi-automatic block module

Info

Publication number: CN202429220U
Application number: CN2011205445554U
Authority: CN
Inventors: 沈拓; 李红星; 陈真; 赵丽宏; 李金德
Original assignee: Shanghai Hengjun Science & Technology Co Ltd
Priority date: 2011-12-21
Filing date: 2011-12-21
Publication date: 2012-09-12
Anticipated expiration: 2021-12-21

Abstract

The utility model discloses a photo-electricity semi-automatic block module. According to the photo-electricity semi-automatic block module, a first microcontroller and a second microcontroller are used for controlling a first relay which is positioned on one path of a block condition power supply through a first drive circuit by a fourth AND gate and controlling a second relay which is positioned on another path of the block condition power supply through a second drive circuit by a third AND gate; neighboring station block signals acquired by a first acquisition circuit and a second acquisition circuit are input into the first and second microcontrollers for verification after being compared by a second AND gate; optical signal block information communication ports of the first and second microcontrollers are electrically connected with a first optical communication interface and a second optical communication interface respectively; and the verified neighboring station block information output by the first and second microcontrollers is transmitted to an upper computer. By the photo-electricity semi-automatic block module, a full-electronic circuit is used for replacing a relay with large size and low maintainability; and the photo-electricity semi-automatic block module is high in reliability and convenient to mount.

Description

A kind of photoelectricity semi-automatic block system module

Technical field

The utility model relates to the interlock control apparatus that uses on the railway, particularly relate to a kind of be used to stand between the contact photoelectricity semi-automatic block system module.

Background technology

64D type all-relay semi-automatic block system system is adopted in China's single track railway mostly; This system utilizes the logical relation of relay circuit to realize the contact between the train spacing point; The common level signal that produces with the block instrument relay energized is as data carrier, through the status information of cable transmission block system.The non-relay transmittability of the information of all-relay semi-automatic block system system in electric channel is not strong, receives the interference of external environment easily, has influenced the safety performance and the efficiency of operation of circuit, and is unfavorable for realizing railway informationization.

Along with fast development of optical fiber, especially for the in-depth study of reliability engineering and fault tolerant technique, computer interlock technology and optical fiber technology have become ripe.Substitute original electric wire circuit with optical fiber; Cost-cutting but also improved the reliability of the communication technology not only; This makes photoelectricity semi-automatic block system system have very strong antijamming capability; Satisfy the function and the demand for security of semi-automatic block system system, therefore, that adopts photoelectricity semi-automatic block system technology in the computer interlock system becomes indispensable part.

The utility model content

The purpose of the utility model be to the S. A. liaison circuit in the active computer interlocking technology provide partly that a kind of volume is little, cost is low, safe, easy care and the photoelectricity semi-automatic block system module being convenient to install.

The technical scheme that the utility model adopts is: a kind of photoelectricity semi-automatic block system module comprises first and second microcontrollers, the inaccessible unit of electric signal, and the inaccessible unit of optical signal; The inaccessible unit of said optical signal comprises first and second optical communication interfaces; The inaccessible unit of said electric signal comprises first and second relays; The coil that is respectively applied for control first and second relays gets electric and first and second driving circuits dead electricity; And, be respectively applied for the adjacent station of collection and give the positive electricity of our station and first and second Acquisition Circuit of the inaccessible information of negative electricity;

The first drive signal output port of said first and second microcontrollers is corresponding respectively connect the 4th with two input ends of door, the 4th with mouth be electrically connected with the Enable Pin of first driving circuit; The second drive signal output port of said first and second microcontrollers is corresponding respectively connect the 3rd with two input ends of door, the 3rd with mouth be electrically connected with the Enable Pin of second driving circuit;

The contact of said first relay is electrically connected on an inaccessible conditional power source seeing off to the neighbour station on the way, the contact of said second relay be electrically connected on said inaccessible conditional power source in addition on the way;

The mouth of said first and second Acquisition Circuit is corresponding respectively connect second with two input ends of door, second with mouth and the neighbour of the first and second microcontrollers inaccessible information input terminal mouth of standing all be electrically connected;

The inaccessible information communication port of the optical signal of said first and second microcontrollers is electrically connected with first and second optical communication interfaces respectively; And,

The inaccessible information output mouth of said first and second microcontrollers is corresponding respectively connect first with two input ends of door, first is electrically connected with the stand COM1 of inaccessible information of the mouth of door and the correct neighbour who sends the warp check to the control cabin upper computer.

Preferably, this photoelectricity semi-automatic block system module also comprises the inaccessible unit of voice, and the inaccessible unit of said voice comprises first and second COBBAIFs that are electrically connected with the inaccessible information communication port of the voice signal of first and second microcontrollers respectively.

The beneficial effect of the utility model:

(1) the photoelectricity semi-automatic block system module of the utility model adopts all electronic circuit; It is big to have substituted volume; The relay of maintainability difference (two relays in the utility model all can adopt miniature relay) has realized that a kind of reliability is high, the photoelectricity semi-automatic block system module of being convenient to install;

(2) when reality is used, can adopt two the cover the utility model photoelectricity semi-automatic block system module; The new photoelectricity semi-automatic block system module of this practicality is relatively just exported after the unanimity through two CPU synchronized operations; All can realize the fail safe guiding; Can auto switching during et out of order to standby host, and malfunctioning module can be pulled up and changes or overhaul and the equipment that do not influence normally moves;

(3) can select to realize semi-automatic block system between the station through the single mode optical fiber passage; For improving reliability, module provides two-way single mode optical fiber interface, and the user can use two optical fiber in the different optical cables to constitute the redundant channel; System quits work enhancing usability when preventing the simple optical fiber damage;

(4) 1 road COBBAIF is provided, is used to use telephone line to carry out obturation.When the scene can't provide optical-fibre channel, allow to use the telephone audio circuit to transmit inaccessible information.

Description of drawings

Fig. 1 is the structural representation of the said photoelectricity semi-automatic block system of the utility model module.

The specific embodiment

The photoelectricity semi-automatic block system module of the utility model as shown in Figure 1 comprises first microcontroller (MCU) 1 and second microcontroller (MCU) 2, first to fourth and door 51～54, the first and second optical communication interface B1, B2; COM1, first and second Acquisition Circuit 81,82; First and second relays 71,72 are respectively applied for control first and second relays 71; 72 coil gets electric and first and second driving circuits 61,62 dead electricity, and connection terminal 9.

Two input ends of corresponding respectively connection the 4th of the first drive signal output port of first and second microcontrollers and door 54; The 4th is electrically connected with the Enable Pin of first driving circuit 61 with door 54 mouth; First drive signal of the first drive signal output port output of the control command that transmits according to the control cabin upper computer when first and second microcontrollers like this, through separately can start first driving circuit, 61 controls, first relay 71 when consistent; In like manner, the second drive signal output port of first and second microcontrollers is respectively corresponding connect the 3rd with two input ends of door 53, the 3rd is electrically connected with the Enable Pin of second driving circuit 62 with 53 mouth.The contact of first relay (normally closed or open contact) is electrically connected on one tunnel (ZDJ) of an inaccessible conditional power source of seeing off to the neighbour station; And the contact of second relay (normally closed or open contact) is electrically connected on another road (FDJ) of this obturation conditional power source; This obturation conditional power source of our station is seen off to the neighbour station via connection terminal 9; At this; Have only when the normally closed or open contact while of first and second relays is closed and could see this obturation conditional power source off, guaranteed the reliability of output, improved degree of safety to the neighbour station.

First and second Acquisition Circuit 81; 82 gather " positive electricity " inaccessible information (ZXJ) and " negative electricity " inaccessible information (FXJ) that our station is given at adjacent station through connection terminal 9 respectively; Two input ends of corresponding respectively connection second of the mouth of first and second Acquisition Circuit and door 52; Second all is electrically connected with door 52 mouth and the neighbour of the first and second microcontrollers inaccessible information input terminal mouth of standing; By first and second microcontrollers neighbour who the receives inaccessible information of standing is checked; And respectively the inaccessible information output mouth output through separately through the neighbour who the checks inaccessible information of standing, the inaccessible information output mouth of first and second microcontrollers is corresponding respectively connect first with two input ends of door 51, first is electrically connected with COM1 with 51 mouth; This COM1 can comprise network interface 41 and/or serial ports 41, through COM1 to control cabin upper computer feedback through the correct neighbour who the checks inaccessible information of standing.

The first and second above driving circuits, first and second Acquisition Circuit, and the inaccessible unit of first and second relays formation electric signal, the photoelectricity semi-automatic block system module of the utility model utilizes the inaccessible unit of this electric signal to form obturation through electric signal.

The first and second above optical communication interface B1; B2 constitutes the inaccessible unit of optical signal; The photoelectricity semi-automatic block system module of the utility model also can select to utilize the inaccessible unit of this optical signal to form obturation through optical signal; Under this kind situation, first and second microcontrollers are seen the inaccessible information of our station through the first optical communication interface B1 and the second optical communication interface B2 off to the neighbour station respectively according to the control command that the control cabin upper computer that receives transmits, and are specially; The inaccessible information of our station that first and second communication interfaces are the optical signal form with the inaccessible information translation of the our station of electrical signal form, and through outdoor optical fiber the inaccessible information of the our station of optical signal form is passed to the neighbour and stand.Otherwise first and second microcontrollers also can receive the neighbour who gives our station in the adjacent station inaccessible information of standing through first and second optical communication interfaces.

In addition; The photoelectricity semi-automatic block system module of the utility model also can comprise the first and second COBBAIF A1 that are electrically connected with the inaccessible information communication port of the voice signal of first and second microcontrollers respectively; A2 (as the inaccessible unit of voice) at this, mainly accomplishes phone semi-automatic block system function through first and second COBBAIFs; Promptly do not having under the situation of communication cable, our station all uses phone to form inaccessible a kind of mode with adjacent station.

As shown in Figure 1; Connect through synchronous circuit 3 between first and second microcontrollers; This explanation be, first and second microcontrollers are fully independently in control, synchronous circuit only be responsible for to be accomplished clock and is waited the communication that does not relate to the command signal that influence exports separately synchronously.

The above is merely the utility model preferred implementation, is not the practical range that is used for limiting the utility model, and the equivalence of in the protection domain of the utility model, being done in every case changes and modifies, and all should think to have fallen in the protection domain of the utility model.

Claims

1. a photoelectricity semi-automatic block system module is characterized in that: comprise first and second microcontrollers, the inaccessible unit of electric signal, and the inaccessible unit of optical signal; The inaccessible unit of said optical signal comprises first and second optical communication interfaces; The inaccessible unit of said electric signal comprises first and second relays; The coil that is respectively applied for control first and second relays gets electric and first and second driving circuits dead electricity; And, be respectively applied for the adjacent station of collection and give the positive electricity of our station and first and second Acquisition Circuit of the inaccessible information of negative electricity;

2. photoelectricity semi-automatic block system module according to claim 1; It is characterized in that: also comprise the inaccessible unit of voice, the inaccessible unit of said voice comprises first and second COBBAIFs that are electrically connected with the inaccessible information communication port of the voice signal of first and second microcontrollers respectively.