CN208248211U - Mechanical insulated protective device in a kind of track circuit station - Google Patents
Mechanical insulated protective device in a kind of track circuit station Download PDFInfo
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- CN208248211U CN208248211U CN201820845187.9U CN201820845187U CN208248211U CN 208248211 U CN208248211 U CN 208248211U CN 201820845187 U CN201820845187 U CN 201820845187U CN 208248211 U CN208248211 U CN 208248211U
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Abstract
Mechanical insulated protective device in a kind of track circuit station, belongs to a kind of insulation protecting device.The utility model is directed to existing defect, provide it is a kind of can guard signal more area's transmission, can by area's signal current control below Sensitivity of Cab Signal, guarantee the safe and reliable of train operation control system information transmitting, mechanical insulated protective device in track circuit station that engineering construction is easy for installation.In the utility model, multiple compensating electric capacities are connected in parallel in two tracks, 2 compensation tuned cells are connected in parallel on multiple compensating electric capacity both sides respectively, 2 monomer shields are covered on respectively outside 2 compensation tuned cells, the double box shields of 2 binarys are connected in parallel on 2 compensation tuned cell both sides respectively, and the double box shields of 2 binarys are separately connected receiving end and transmitting terminal, 4 empty choke transformers are connected in parallel on the both sides of the double box shields of 2 binarys respectively in pairs.The utility model is mainly used in the protection for interior mechanical insulated joint of standing.
Description
Technical field
The utility model belongs to a kind of insulation protecting device.
Background technique
Mechanical insulated joint is in prolonged application in standing, it may appear that track insulating damage or the situation of short circuit.When station track section
Mechanical insulated joint between bottle-neck section switch section is unilateral or bilateral breakage, causes in the unopened situation of outbound signaling,
There is the security risk for receiving and allowing code with station track adjacent orbit section in the train of turning back for being parked in station track, that is, cause train-installed
Equipment receives adjacent sections signal.For this defect, Integrated track circuit station track in station is realized using transponder at present
The protection of more area, track circuit equipment uses resonance matching unit and mechanical section hollow coil to be arranged in parallel not yet, at the same
The method of setting compensation tuned cell realizes the more area protection to station track damage in insulation in standing at the outer 18m of track.The station ZPW-2000R
Inner orbit circuit section equipment, when station track mechanical insulated joint breakage, track circuit realizes that reliable occupy checks, idle condition
Under, the adjacent not red rail of two sections of breakage insulation, track circuit can not achieve inspection, and unshielded measure；When there is vehicle occupancy in station track
When, the electric current of more area's signal is larger, therefore, need to get over area to signal in the case of the damage in insulation of station track and protect.
It is therefore desirable to it is a kind of can guard signal more area's transmission problem, can by area's signal current control in machine
Below vehicle signal sensitivity, guarantee safe and reliable, the rail that engineering construction is easy for installation of the transmitting of train operation control system information
Mechanical insulated protective device in road circuit station.
Utility model content
The utility model, which is directed under existing station track section insulation joint breakage, to be got over area's interference to signal, is unable to control letter
Defect dangerous, that construction is inconvenient is transmitted in number sensitivity, information, provide one kind can guard signal get over area's transmission problem,
It can be by the current control of more area's signal below Sensitivity of Cab Signal, the peace of guarantee train operation control system information transmitting
Mechanical insulated protective device in full track circuit station reliable, engineering construction is easy for installation.
The technical solution of mechanical insulated protective device is as follows in a kind of track circuit station involved in the utility model:
Mechanical insulated protective device in a kind of track circuit station involved in the utility model, it includes that 4 empty chokes become
The double box shields of depressor, 2 mechanical insulated joint hollow coils, 2 resonance matching units, 2 compensation tuned cells, 2 binarys,
2 monomer shields and multiple compensating electric capacities, multiple compensating electric capacities are connected in parallel in two tracks, 2 compensation
Tuned cell is connected in parallel on multiple compensating electric capacity both sides respectively, and 2 monomer shields cover on 2 compensation tuned cells respectively
Outside, 2 resonance matching units and 2 mechanical insulated joint hollow coils are divided into identical two groups, are separately mounted to 2 pairs
In the double box shields of body, and every group of resonance matching unit and mechanical insulated joint hollow coil are placed back-to-back, and described 2 double
The double box shields of body are connected in parallel on 2 compensation tuned cell both sides respectively, and the double box shields of 2 binarys be separately connected receiving end with
Transmitting terminal, described 4 empty choke transformers are connected in parallel on the both sides of the double box shields of 2 binarys respectively in pairs.
Further: the resonance matching unit include first group of three element circuitry, 2 electrolytic capacitors, transformer T and
Common mode inductance L, first group of three element circuitry, 2 electrolytic capacitors, transformer T and common mode inductance L are sequentially connected in series, and first
The three-element left end of group connects track, and the right end of common mode inductance is connected to cable；
First group of three element circuitry includes inductance L2, capacitor C2 and capacitor C3, the inductance L2 and capacitor C2
In parallel with capacitor C3 after series connection, 2 electrolytic capacitors are respectively the both ends point of capacitor C1 and capacitor C4, the capacitor C3
The 1 of transformer T, 2 both ends are not connected to by capacitor C1 and capacitor C4.
Further: the compensation tuned cell includes second group of three element circuitry, second group of three element electricity
Road includes in parallel with capacitor C31 and electric after inductance L21, capacitor C21 and capacitor C31, the inductance L21 and capacitor C21 series connection
The both ends for holding C31 connect track.
The beneficial effect of mechanical insulated protective device is in a kind of track circuit station involved in the utility model:
The purpose of the utility model is to provide mechanical insulated protective devices in a kind of track circuit station, preferably resolve rail
Road circuit is to the station track machinery section area damage in insulation Hou Yue protection in standing, when resonance matching element failure, the area Ji Yue signal
When primary protection failure, compensation tuned cell can play the secondary protection of more area's signal, broken for insulating in station track machinery section
When damage, more area's signal is 1.8A or so, and after the interior insulation safeguard of station, more the electric current of area's signal can control believes in locomotive
Number sensitivity is hereinafter, improve the safety of track circuit, with ensure that train operation control system locomotive safety information transmitting
Securely and reliably, engineering construction is easy for installation.
The utility model is mechanical insulated protective device in a kind of track circuit station, broken for station track section mechanical insulated joint
A kind of safeguard procedures for getting over area's interference in the case of damage to signal, are able to solve adjacent as caused by damage in insulation under standing state
Segment signals get over area's transmission problem.This equipment takes safeguard procedures, under the precondition for not influencing track circuit normal work,
Add mechanical insulated protective device in station respectively in the transmitting terminal and receiving end that track circuit is connect with track, prevents in this section vehicle
The track circuit information that cab signaling equipment receives adjacent sections is carried, guarantees traffic safety.
Detailed description of the invention
Fig. 1 is mechanical insulated protective device structure schematic diagram in track circuit station；
Fig. 2 is mechanical insulated protective device framework schematic diagram in track circuit station；
Fig. 3 is frequency resonance matching unit schematic diagram when being 2300/2600；
Fig. 4 is frequency resonance matching unit schematic diagram when being 1700/2000；
Fig. 5, which is frequency, compensates tuned cell schematic diagram when being 2300/2600；
Fig. 6, which is frequency, compensates tuned cell schematic diagram when being 1700/2000；
Fig. 7 is the non-division the utility model schematic view of the mounting position in station track；
Fig. 8 is that station track has a punishment to cut the utility model schematic view of the mounting position；
Fig. 9 is that station track has two punishment to cut the utility model schematic view of the mounting position.
Specific embodiment
The technical solution of the utility model is described further below with reference to embodiment, however, it is not limited to this, all
That technical solutions of the utility model are modified or replaced equivalently, without departing from technical solutions of the utility model spirit and
Range should all cover in the protection scope of the utility model.
Embodiment 1
It is illustrated in combination with fig. 1-fig. 6 the present embodiment, in the present embodiment, a kind of track circuit station involved in the utility model
Interior mechanical insulated protective device, it includes 4 empty choke transformers, 2 mechanical insulated joint hollow coils, 2 resonance matching lists
Member, 2 compensation tuned cells, the double box shields of 2 binarys, 2 monomer shields and multiple compensating electric capacities, multiple benefits
It repays capacitor to be connected in parallel in two tracks, 2 compensation tuned cells are connected in parallel on multiple compensating electric capacity both sides respectively, described
2 monomer shields are covered on respectively outside 2 compensation tuned cells, 2 resonance matching units and 2 mechanical insulated joint skies
Core coil is divided into identical two groups, is separately mounted in the double box shields of 2 binarys, and every group of resonance matching unit and machinery
Insulation joint hollow coil is placed back-to-back, and the double box shields of 2 binarys are connected in parallel on 2 compensation tuned cells two respectively
Side, and the double box shields of 2 binarys are separately connected receiving end and transmitting terminal, described 4 empty choke transformers divide in pairs
It is not connected in parallel on the both sides of the double box shields of 2 binarys.
More specifically: the resonance matching unit includes first group of three element circuitry, 2 electrolytic capacitors, transformer T
It is sequentially connected in series with common mode inductance L, first group of three element circuitry, 2 electrolytic capacitors, transformer T and common mode inductance L, the
One group of three-element left end connects track, and the right end of common mode inductance is connected to cable；
First group of three element circuitry includes inductance L2, capacitor C2 and capacitor C3, the inductance L2 and capacitor C2
In parallel with capacitor C3 after series connection, 2 electrolytic capacitors are respectively the both ends point of capacitor C1 and capacitor C4, the capacitor C3
The 1 of transformer T, 2 both ends are not connected to by capacitor C1 and capacitor C4.
More specifically: the compensation tuned cell includes second group of three element circuitry, second group of three element
Circuit include inductance L21, capacitor C21 and capacitor C31, the inductance L21 and capacitor C21 series connection after it is in parallel with capacitor C31, and
The both ends of capacitor C31 connect track.
The guard technology scheme that the realization signal of the utility model gets over area's interference is: by resonance matching unit (ZPWPT-
R it) places, is mounted in the shield of the double boxes of binary back-to-back with mechanical section hollow coil.Using resonance matching unit and machinery
The characteristic in hollow coil equipment equivalent section tuning area is saved, trackside equipment has frequency selection, is in high impedance, phase to this section carrier frequency
Adjacent area section carrier frequency is in zero impedance characteristic.When station track mechanical insulated joint breakage, using resonance matching unit to adjacent area segment signal
Short circuit curve realizes that signal gets over area's protection.To prevent resonance matching unit because failed shorted Hou Yue area's safeguard function is lost, by stock
Road section send first compensating electric capacity of receiving end to be changed to compensation tuned cell (ZPWTB-R).The equipment, which has, believes this section
Number be in capacitive, adjacent sections signal be in short-circuit capability, realize get over area's signal secondary protection.
Under the precondition for not influencing track circuit normal work, the transmitting terminal that is connect with track in track circuit and connect
Receiving end installs mechanical insulated protective device in track circuit station additional respectively, and protection receives phase in the vehicle-mounted cab signaling equipment of this section
The track circuit information of adjacent area section, guarantees traffic safety.
In track circuit station mechanical insulated protective device apply communication code mode constitute " ZPW-2000R type is without exhausted
In edge track circuit equipment (Integrated track circuit in standing) " station track section, the setting principle of the utility model: station track is given,
Matching transformer is changed to resonance matching unit at the portal mechanical insulated joint of section and mechanical insulated in station at receiving end
Save hollow coil；First, last compensating electric capacity in station track is changed to compensation tuned cell；In view of train stop position, will mend
Mechanical insulated joint position Forward in the station of tuned cell installation site respectively proximally is repaid, the signal after shortening breakage as far as possible is got over
Area's conveying length.
Mechanical insulated protective device can be used for high speed in track circuit station.The utility model is in high resistant shape to local area segment signal
State does not influence the normal work of this section track circuit；It is in low resistive state for adjacent sections track-circuit signalling, it can will be adjacent
Segment signals electric current is down to vehicle-mounted cab signal and receives threshold hereinafter, adjacent sections signal caused by prevent because of damage in insulation
Into this section, so that it is guaranteed that traffic safety.After four kinds of frequency track-circuit signallings get over area's current preventative, respectively less than vehicle-mounted locomotive
Signal receives threshold, and on local area segment signal without influence.
The purpose of this utility model is by being realized with flowering structure, and the hardware setting of interior insulation of standing protection is as follows:
Protection hardware device makes the pole impedance of parallel resonance be greater than 2.0 Ω in standing, and meets the transmission characteristic of track circuit；It stands
Interior protection hardware device makes the zero impedance of series resonance in 30m Ω or so, realizes the protection to more area's signal；Resonance matching unit
Parallel manipulator insulation joint hollow coil, setting compensation tuned cell at foreign side 18m.
When frequency is 2300/2600, each element is equal in first group of three element circuitry of the resonance matching unit
It works, each element works in second group of three element circuitry of the compensation tuned cell；It is 1700/2000 in frequency
When, capacitor C3 stops working in first group of three element circuitry of the resonance matching unit, when frequency is 2300/2600,
When frequency is 1700/2000, capacitor C31 stops working in second group of three element circuitry of the compensation tuned cell.
Embodiment 2
Illustrate the present embodiment in conjunction with Fig. 7, in the present embodiment, is empty choke transformer, △ be resonance matching unit and
Mechanical insulated joint hollow coil, zero is compensates tuned cell, the non-division situation in station track: the station track being made of a section:
Section is sent, sky choke transformer is respectively set in receiving end, resonance matching unit and mechanical insulated joint hollow coil；?
Compensation tuned cell is respectively set in position away from station track both ends 18 ± 1m of semaphore insulation joint；Compensating electric capacity setting requirements are constant,
Only head and end compensating electric capacity in station track is not installed.
Embodiment 3
Illustrate the present embodiment in conjunction with Fig. 8, in the present embodiment, is empty choke transformer, △ be resonance matching unit and
Mechanical insulated joint hollow coil, zero is compensation tuned cell, and there is the case where punishment in station track: the station track being made of two sections:
Two sections are sent, sky choke transformer is respectively set in receiving end, resonance matching unit and mechanical insulated joint hollow line
Circle；Compensation tuned cell is respectively set in the position away from station track both ends 18 ± 1m of semaphore insulation joint；Compensating electric capacity setting requirements
Constant, only head and end compensating electric capacity in station track is not installed.
Embodiment 4
Illustrate the present embodiment in conjunction with Fig. 9, in the present embodiment, is empty choke transformer, △ be resonance matching unit and
Mechanical insulated joint hollow coil, zero is compensation tuned cell, and there is the case where two punishment are cut in station track: the stock being made of three sections
Road:
Three sections are sent, sky choke transformer is respectively set in receiving end, resonance matching unit and mechanical insulated joint hollow line
Circle；Compensation tuned cell is respectively set in the position away from station track both ends 18 ± 1m of semaphore insulation joint；Compensating electric capacity setting requirements
Constant, only head and end compensating electric capacity in station track is not installed.
Claims (3)
1. mechanical insulated protective device in a kind of track circuit station, which is characterized in that it includes 4 empty choke transformers, 2 machines
Tool insulation joint hollow coil, 2 resonance matching units, 2 compensation tuned cells, the double box shields of 2 binarys, 2 monomers are anti-
Shield and multiple compensating electric capacities, multiple compensating electric capacities are connected in parallel in two tracks, 2 compensation tuned cells point
It is not connected in parallel on multiple compensating electric capacity both sides, 2 monomer shields are covered on respectively outside 2 compensation tuned cells, and described 2
A resonance matching unit and 2 mechanical insulated joint hollow coils are divided into identical two groups, are separately mounted to the double box protection of 2 binarys
In cover, and every group of resonance matching unit and mechanical insulated joint hollow coil are placed back-to-back, the double box protection of 2 binarys
Cover is connected in parallel on 2 compensation tuned cell both sides respectively, and the double box shields of 2 binarys are separately connected receiving end and transmitting terminal, institute
The empty choke transformer of 4 stated is connected in parallel on the both sides of the double box shields of 2 binarys respectively in pairs.
2. mechanical insulated protective device in a kind of track circuit station according to claim 1, which is characterized in that the tune
Humorous matching unit includes first group of three element circuitry, 2 electrolytic capacitors, transformer T and common mode inductance L, and described first group three
Element circuitry, 2 electrolytic capacitors, transformer T and common mode inductance L are sequentially connected in series, and first group of three-element left end connects track, altogether
The right end of mould inductance is connected to cable；
First group of three element circuitry includes inductance L2, capacitor C2 and capacitor C3, and the inductance L2 connects with capacitor C2
In parallel with capacitor C3 afterwards, 2 electrolytic capacitors are respectively capacitor C1 and capacitor C4, and the both ends of the capacitor C3 lead to respectively
It crosses capacitor C1 and capacitor C4 and is connected to the 1 of transformer T, 2 both ends.
3. mechanical insulated protective device in a kind of track circuit station according to claim 1, which is characterized in that the benefit
Repaying tuned cell includes second group of three element circuitry, and second group of three element circuitry includes inductance L21, capacitor C21 and electricity
It is in parallel with capacitor C31 after appearance C31, the inductance L21 and capacitor C21 series connection, and the both ends of capacitor C31 connect track.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820845187.9U CN208248211U (en) | 2018-06-01 | 2018-06-01 | Mechanical insulated protective device in a kind of track circuit station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820845187.9U CN208248211U (en) | 2018-06-01 | 2018-06-01 | Mechanical insulated protective device in a kind of track circuit station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208248211U true CN208248211U (en) | 2018-12-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820845187.9U Active CN208248211U (en) | 2018-06-01 | 2018-06-01 | Mechanical insulated protective device in a kind of track circuit station |
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| Country | Link |
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| CN (1) | CN208248211U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109664915A (en) * | 2019-01-08 | 2019-04-23 | 北京全路通信信号研究设计院集团有限公司 | External hanging type equipment |
| WO2020063337A1 (en) * | 2018-09-28 | 2020-04-02 | 北京全路通信信号研究设计院集团有限公司 | Track circuit protection system |
-
2018
- 2018-06-01 CN CN201820845187.9U patent/CN208248211U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020063337A1 (en) * | 2018-09-28 | 2020-04-02 | 北京全路通信信号研究设计院集团有限公司 | Track circuit protection system |
| CN109664915A (en) * | 2019-01-08 | 2019-04-23 | 北京全路通信信号研究设计院集团有限公司 | External hanging type equipment |
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