CN206427056U - The asymmetric high-voltage pulse track circuit system of DC traction - Google Patents
The asymmetric high-voltage pulse track circuit system of DC traction Download PDFInfo
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- CN206427056U CN206427056U CN201720099965.XU CN201720099965U CN206427056U CN 206427056 U CN206427056 U CN 206427056U CN 201720099965 U CN201720099965 U CN 201720099965U CN 206427056 U CN206427056 U CN 206427056U
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Abstract
The utility model discloses a kind of asymmetric high-voltage pulse track circuit system of DC traction, including the sending end circuit being connected in parallel on rail and by terminal circuit, the sending end circuit includes the power module connected successively, code-emitting equipment and sending end track transformer, the receiving end track transformer for being included connecting successively by terminal circuit, four leg electric capacity, decoder and receiving device, one output end of the second siding ring of the sending end track transformer connects by current limiter with rail, another output end of the second siding ring of the sending end track transformer connects by the first breaker with rail.The utility model is simple in construction, it is reasonable in design, by setting sending end circuit and by terminal circuit, suitable for DC current traction track section, it is possible to increase rail surface voltage, puncture rail level rusty scale, improve track circuit shunting sensitivity, shunting badness is solved the problems, such as, functional reliability and stability are high, while improving traffic safety.
Description
Technical field
The utility model belongs to asymmetric high-voltage pulse track circuit system technical field, and in particular to a kind of DC traction
Asymmetric high-voltage pulse track circuit system.
Background technology
Asymmetric high-voltage pulse track circuit, which belongs to, insulation, closed type half wave track circuit, and can detect has on track
Without train (vehicle) take, can send on track it is whether idle with whether complete information, play an information generator
Effect, " asymmetric high-voltage pulse " refers to include different amplitudes, the positive pulse of pulsewidth and negative pulse in a signal period, its
Feature is positive pulse waveform and negative pulse waveform " asymmetric ", and the positive pulse amplitude of rail level can puncture rail up to more than 100V
Face moderate is got rusty rusty scale and semi-insulating dust pollution, so as to reach preferable branch effect.
At present, the train in China's subway and light rail transit rolling stock section is shows without cab signal, therefore its track circuit
Function be only train occupation inspection.Because its electric locomotive is DC traction, and the rail return current of traction is wall scroll rail, therefore
Track circuit majority uses the 50Hz microelectronics phase-sensitive track circuits of single-rail reflux type.In real work, often go out
Now due to the situation that track rail level gets rusty and makes track circuit lose proper function, topmost reason or because rail surface voltage
It is low, it is not enough to puncture rail level rusty scale and causes, existing 50Hz microelectronics phase-sensitive track circuits there is such case, its rail level electricity
Pressure is about 1V~2V, triggers shunting badness problem, and the normal work of track circuit system can not be guaranteed, and directly affect driving
Safety.Therefore, a kind of asymmetric high-voltage pulse track circuit system of DC traction simple in construction, reasonable in design is nowadays lacked
System, by setting sending end circuit and by terminal circuit, it is adaptable to DC current traction track section, it is possible to increase rail surface voltage, hits
Rail level rusty scale is worn, track circuit shunting sensitivity is improved, shunting badness is solved the problems, such as, functional reliability and stability are high, simultaneously
Improve traffic safety.
Utility model content
Technical problem to be solved in the utility model is that there is provided a kind of direct current for above-mentioned deficiency of the prior art
Asymmetric high-voltage pulse track circuit system is drawn, its is simple in construction, reasonable in design, by setting sending end circuit and receiving end electricity
Road, it is adaptable to DC current traction track section, it is possible to increase rail surface voltage, punctures rail level rusty scale, improves track circuit shunting
Sensitivity, solves the problems, such as shunting badness, and functional reliability and stability are high, while traffic safety is improved, it is practical, it is easy to push away
Extensively use.
In order to solve the above technical problems, the technical solution adopted in the utility model is：A kind of asymmetric high pressure of DC traction
Half wave track circuit system, it is characterised in that：Including the sending end circuit being connected in parallel on rail and by terminal circuit, the sending end
Circuit includes power module, code-emitting equipment and the sending end track transformer connected successively, described to be included connecting successively by terminal circuit
Receiving end track transformer, four leg electric capacity, decoder and receiving device, the two of the first siding ring of the sending end track transformer
Individual input connects with two output ends of code-emitting equipment respectively, and one of the second siding ring of the sending end track transformer is defeated
Go out end by current limiter with rail to connect, another output end of the second siding ring of the sending end track transformer passes through first
Breaker connects with rail, an input of the first siding ring of the receiving end track transformer and the one of receiving end preventative resistance
End connects, and another input of the first siding ring of the receiving end track transformer connects with the output end of the second breaker,
The other end of the receiving end preventative resistance and the input of the second breaker are connected with rail respectively, the receiving end track transformer
Two output ends of second siding ring connect respectively with two inputs of four leg electric capacity, two outputs of the four legs electric capacity
End connects with two inputs of decoder respectively, and two output ends of the decoder connect with receiving device respectively, described
Power module is powered for code-emitting equipment, and the power module is to be provided with the 3rd open circuit in the current supply circuit powered of code-emitting equipment
Device.
The asymmetric high-voltage pulse track circuit system of above-mentioned DC traction, it is characterised in that：The power module is electricity
Press the power supply that 220V frequencies are 50Hz, an output end of the power module is by the 3rd breaker and code-emitting equipment
One input connects, and another output end of the power module connects with another input of code-emitting equipment.
The asymmetric high-voltage pulse track circuit system of above-mentioned DC traction, it is characterised in that：The code-emitting equipment includes
First transformer, the high-tension circuit and low-voltage circuit connected with the first transformer output end, it is whole that the high-tension circuit includes first
Current circuit and the charge and discharge capacitance connected with the first rectification circuit output end, it is second whole that the low-voltage circuit includes connecting successively
Current circuit, mu balanced circuit and timer circuit, the output of the charge and discharge capacitance and timer circuit are terminated with ghyristor circuit,
The output of the ghyristor circuit is terminated with current-limiting resistance, and first transformer connects with the power module.
The asymmetric high-voltage pulse track circuit system of above-mentioned DC traction, it is characterised in that：The decoder includes the
Two transformers and the head direct-flow impulse circuit and afterbody direct-flow impulse circuit connected with the second transformer output end, the head
Portion's direct-flow impulse circuit includes the 3rd rectification circuit and the first filter circuit connected with the 3rd rectification circuit output end, the tail
Portion's direct-flow impulse circuit includes clamp circuit and the second filter circuit connected with clamp circuit output end.
The asymmetric high-voltage pulse track circuit system of above-mentioned DC traction, it is characterised in that：The receiving device is
JCRC-24.7K/7.5K type binary differential relays.
The asymmetric high-voltage pulse track circuit system of above-mentioned DC traction, it is characterised in that：The sending end track transformation
The first siding ring of device and the second siding ring of sending end track transformer include two groups of coils, the sending end track transformer
Output is than being 3.5:1、4.0:1、4.5:1、5.0:1 or 5.5：1.
The asymmetric high-voltage pulse track circuit system of above-mentioned DC traction, it is characterised in that：The receiving end track transformation
The first siding ring of device and the second siding ring of receiving end track transformer include two groups of coils, the receiving end track transformer
Output is than being 1:3.5、1:4.0、1:4.5、1:5.0 or 1：5.5.
The asymmetric high-voltage pulse track circuit system of above-mentioned DC traction, it is characterised in that：The second transformer bag
Include transformer T1, the 3rd rectification circuit includes rectifier bridge D1 and electric capacity C2, first filter circuit include electric capacity C4 and
Electric capacity C5, the clamp circuit includes electric capacity C6, electric capacity C7, electric capacity C8, electric capacity C9, electric capacity C10, electric capacity C11 and rectifier bridge D2,
Second filter circuit includes electric capacity C3, two inputs of the first siding ring of the transformer T1 respectively with four leg electric capacity
Two output ends connect, seven tunnels of the second siding ring of the transformer T1 point, the first via and a rectifier bridge D1 direct current are defeated
Go out end to connect, the second tunnel connects with electric capacity C2 one end, the 3rd tunnel connects with electric capacity C4 one end, the 4th tunnel and the one of electric capacity C5
End connects, the 5th tunnel after in parallel electric capacity C6, electric capacity C7, electric capacity C8, electric capacity C9, electric capacity C10 and electric capacity C11 with rectifier bridge D2
A DC output end connect；6th tunnel connects with electric capacity C3 one end, and the 7th tunnel and rectifier bridge D2 another direct current are defeated
Go out end to connect, an ac input end of the rectifier bridge D2 and rectifier bridge D2 another ac input end connect, described whole
Flow a bridge D1 ac input end and connect with rectifier bridge D1 another ac input end, another direct current of the rectifier bridge D1
Three tunnels are divided in output end and electric capacity C2 connection end, and the other end with electric capacity C4 connects all the way, another road and the electric capacity C5 other end
Connect, the 3rd tunnel is an output end of the head direct-flow impulse circuit, one end of the electric capacity C4 and electric capacity C5 one end
Connection end be the head direct-flow impulse circuit another output end；One end of the electric capacity C3 and one of rectifier bridge D2
The connection end of DC output end is an output end of the afterbody direct-flow impulse circuit, the other end of the electric capacity C3 and rectification
The connection end of bridge D2 another DC output end is another output end of the afterbody direct-flow impulse circuit.
The asymmetric high-voltage pulse track circuit system of above-mentioned DC traction, it is characterised in that：First breaker and
Second breaker is dc circuit breaker, and the 3rd breaker is AC circuit breaker.
The utility model has advantages below compared with prior art：
1st, the utility model is simple in construction, reasonable in design, realizes that convenient and cost is low.
2nd, the utility model sets sending end circuit and by terminal circuit, it is adaptable to DC current traction track section, by sending end
The asymmetric high-voltage pulse of circuit generation, which is sent to rail, to be resent to by terminal circuit, it is possible to increase rail surface voltage, punctures rail level rust
Layer, improves track circuit shunting sensitivity, shunting badness is solved the problems, such as, functional reliability and stability are high, while improving driving
Safety.
3rd, the utility model sending end circuit includes code-emitting equipment, current limiter, sending end track transformer and current limiter, and signaling is set
It is standby that different size of asymmetric high-voltage pulse, the asymmetric high-voltage pulse are exported according to the rusting rate of rail and the length of rail
Rail is sent to by sending end track transformer reduced output voltage, and by current limiter and the second breaker, realizes that sending end circuit is produced
Raw asymmetric high-voltage pulse.
4th, the utility model is included receiving end preventative resistance, the 3rd breaker, four leg electric capacity, decoder and reception by terminal circuit
Equipment, by receiving end preventative resistance and the 3rd breaker receive rail transmission come asymmetric high-voltage pulse, the asymmetric high pressure
Pulse through receiving end track transformer boost export, through the leg electric capacity of receiving end four after reach decoder input, by decoder
Conversion be converted to head DC pulse and afterbody DC pulse output, supply receiving device work, so as to judge have on track
Taken without train (vehicle), it is easy to detect.
5th, the utility model is by setting current limiter, and the DC current reduced on rail passes through, and reduces sending end track transformation
Device is improved the safety and reliability of sending end track transformer by the degree of dc magnetization, improves the anti-interference of track circuit
Ability, it is ensured that track circuit system normal work.
6th, the utility model is passed through by setting receiving end preventative resistance to reduce the DC current on rail, reduces receiving end track
Transformer is improved the safety and reliability of receiving end track transformer by the degree of dc magnetization, improves the anti-of track circuit
Interference performance, it is ensured that track circuit system normal work.
In summary, the utility model is simple in construction, reasonable in design, by setting sending end circuit and by terminal circuit, is applicable
In DC current traction track section, it is possible to increase rail surface voltage, puncture rail level rusty scale, improve track circuit shunting sensitivity,
Shunting badness is solved the problems, such as, functional reliability and stability are high, while traffic safety is improved, it is practical, it is easy to promote the use of.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the schematic block circuit diagram of the utility model code-emitting equipment.
Fig. 3 is the schematic block circuit diagram of the utility model decoder.
Fig. 4 is the circuit theory diagrams of the utility model decoder.
Description of reference numerals:
1-code-emitting equipment；The transformers of 1-1-first；The rectification circuits of 1-2-first；
1-3-charge and discharge capacitance；The rectification circuits of 1-4-second；1-5-mu balanced circuit；
1-6-timer circuit；1-7-ghyristor circuit；1-8-current-limiting resistance；
2-sending end track transformer；3-current limiter；4-rail；
5-receiving end preventative resistance；6-receiving end track transformer；7-four leg electric capacity；
8-decoder；The transformers of 8-1-second；The rectification circuits of 8-2-the 3rd；
The filter circuits of 8-3-first；8-4-clamp circuit；The filter circuits of 8-5-second；
9-receiving device；10-sending end circuit；11-by terminal circuit；
12-the first breaker；13-the second breaker；14-the three breaker.
Embodiment
As shown in figure 1, the utility model includes the sending end circuit 10 being connected in parallel on rail 4 and by terminal circuit 11, institute
Power module, code-emitting equipment 1 and sending end track transformer 2 that sending end circuit 10 includes connecting successively are stated, it is described by terminal circuit 11
Including the receiving end track transformer 6 connected successively, four leg electric capacity 7, decoder 8 and receiving device 9, the sending end track transformer
Two inputs of 2 first siding ring connect with two output ends of code-emitting equipment 1 respectively, the sending end track transformer 2
An output end of second siding ring connect by current limiter 3 with rail 4, the secondary side line of the sending end track transformer 2
Another output end of circle connects by the first breaker 12 with rail 4, the first siding ring of the receiving end track transformer 6
One input connects with one end of receiving end preventative resistance 5, and another of the first siding ring of the receiving end track transformer 6 is defeated
Enter end with the output end of the second breaker 13 to connect, the input of the other end of the receiving end preventative resistance 5 and the second breaker 13
End is connected with rail 4 respectively, two output ends of the second siding ring of the receiving end track transformer 6 respectively with four leg electric capacity 7
Two inputs connect, two output ends of the four legs electric capacity 7 connect with two inputs of decoder 8 respectively, described
Two output ends of decoder 8 connect with receiving device 9 respectively, and the power module is that code-emitting equipment 1 is powered, and the power supply
The 3rd breaker 14 is provided with the current supply circuit that module is powered for code-emitting equipment 1.
In the present embodiment, by setting current limiter 3, the DC current reduced on rail 4 passes through, and reduces sending end track transformation
Device 2 is improved the safety and reliability of sending end track transformer 2 by the degree of dc magnetization, improves the anti-dry of track circuit
Disturb ability, it is ensured that track circuit system normal work.
In the present embodiment, passed through by setting receiving end preventative resistance 5 to reduce the DC current on rail 4, reduce receiving end rail
Road transformer 6 is improved the safety and reliability of receiving end track transformer 6 by the degree of dc magnetization, improves track circuit
Antijamming capability, it is ensured that track circuit system normal work.
In the present embodiment, the power module is the power supply that voltage 220V frequencies are 50Hz, the power module
One output end connects by the 3rd breaker 14 with an input of code-emitting equipment 1, and another of the power module is defeated
Go out end with another input of code-emitting equipment 1 to connect.
As shown in Fig. 2 in the present embodiment, the code-emitting equipment 1 includes the first transformer 1-1, defeated with the first transformer 1-1
Go out the end high-tension circuit and low-voltage circuit that connect, the high-tension circuit include the first rectification circuit 1-2 and with the first rectification circuit
The charge and discharge capacitance 1-3 that 1-2 output ends connect, the low-voltage circuit includes the second rectification circuit 1-4, the voltage stabilizing electricity connected successively
Road 1-5 and timer circuit 1-6, the output of the charge and discharge capacitance 1-3 and timer circuit 1-6 is terminated with ghyristor circuit 1-
7, the ghyristor circuit 1-7 output are terminated with current-limiting resistance 1-8, the first transformer 1-1 and the power module phase
Connect.
As depicted in figs. 1 and 2, in the present embodiment, by the power module by the 1-1 points of two-way outputs of the first transformer,
Output 300V, 400V or 500V alternating voltage export full-wave rectified voltage by the first rectification circuit 1-2 all the way, then to charge and discharge
Electric capacity 1-3 is charged, and another road output 14V or 16V alternating voltages export full-wave rectification by the second rectification circuit 1-4
Voltage, then sent after mu balanced circuit 1-5 voltage stabilizings into timer circuit 1-6, timer circuit 1-6 output pulse signals,
Control ghyristor circuit 1-7 is triggered conducting, then charge and discharge capacitance 1-3 is discharged rapidly by current-limiting resistance 1-8, is just formed
One high pressure head pulse, when charge and discharge capacitance 1-3 discharge offs, the just shape on the first siding ring of sending end track transformer 2
Into an afterbody bar pulse, that is, form asymmetric high-voltage pulse.
As shown in figure 3, in the present embodiment, the decoder 8 include the second transformer 8-1 and with the second transformer 8-1
Head direct-flow impulse circuit and afterbody direct-flow impulse circuit that output end connects, it is whole that the head direct-flow impulse circuit includes the 3rd
Current circuit 8-2 and the first filter circuit 8-3 connected with the 3rd rectification circuit 8-2 output ends, the afterbody direct-flow impulse circuit
The the second filter circuit 8-5 connected including clamp circuit 8-4 and with clamp circuit 8-4 output ends.
In the present embodiment, the second transformer 8-1 receives four leg electric capacity 7 and sends back the asymmetric high-voltage pulse come, by the
Two 8-1 points of transformer two-way outputs, are head pulse all the way, carry out halfwave rectifier processing by the 3rd rectification circuit 8-2, and pass through
The first filter circuit 8-3 filtering process is crossed, the head DC pulse is exported；Another road is afterbody pulse, by clamp electricity
Road 8-4 is clamped to the benchmark of pulse signal is moved up, and by the second filter circuit 8-5 filtering process, output is described
Afterbody DC pulse.
In the present embodiment, the receiving device 9 is JCRC-24.7K/7.5K type binary differential relays.
In the present embodiment, the first siding ring of the sending end track transformer 2 and the secondary side line of sending end track transformer 2
Circle includes two groups of coils, and the output of the sending end track transformer 2 is compared for 3.5:1、4.0:1、4.5:1、5.0:1 or 5.5：
1。
In the present embodiment, the first siding ring of the receiving end track transformer 6 and the secondary side line of receiving end track transformer 6
Circle includes two groups of coils, and the output of the receiving end track transformer 6 is compared for 1:3.5、1:4.0、1:4.5、1:5.0 or 1：
5.5。
As shown in figure 4, in the present embodiment, the second transformer 8-1 includes transformer T1, the 3rd rectification circuit 8-
2, which include rectifier bridge D1 and electric capacity C2, the first filter circuit 8-3, includes electric capacity C4 and electric capacity C5, the clamp circuit 8-4 bags
Include electric capacity C6, electric capacity C7, electric capacity C8, electric capacity C9, electric capacity C10, electric capacity C11 and rectifier bridge D2, the second filter circuit 8-5 bags
Electric capacity C3 is included, two inputs of the first siding ring of the transformer T1 connect with two output ends of four leg electric capacity 7 respectively,
The second siding ring of the transformer T1 point seven tunnels, the first via connects with a rectifier bridge D1 DC output end, the second tunnel and
Electric capacity C2 one end connects, and the 3rd tunnel connects with electric capacity C4 one end, and the 4th tunnel connects with electric capacity C5 one end, and the 5th tunnel is through simultaneously
With a rectifier bridge D2 DC output end after electric capacity C6, electric capacity C7, electric capacity C8, electric capacity C9, electric capacity C10 and the electric capacity C11 of connection
Connect；6th tunnel connects with electric capacity C3 one end, and the 7th tunnel connects with rectifier bridge D2 another DC output end, the rectification
A bridge D2 ac input end and rectifier bridge D2 another ac input end connect, and an exchange of the rectifier bridge D1 is defeated
Enter end and connect with rectifier bridge D1 another ac input end, another DC output end of the rectifier bridge D1 and electric capacity C2 company
The tunnels of Duan Fen tri- are connect, the other end with electric capacity C4 connects all the way, and another road connects with the electric capacity C5 other end, the 3rd tunnel is the head
The connection end of one output end of portion's direct-flow impulse circuit, one end of the electric capacity C4 and electric capacity C5 one end is that the head is straight
Flow another output end of impulse circuit；One end of the electric capacity C3 and the connection end of a rectifier bridge D2 DC output end are
One output end of the afterbody direct-flow impulse circuit, the other end of the electric capacity C3 and rectifier bridge D2 another direct current output
The connection end at end is another output end of the afterbody direct-flow impulse circuit.
In the present embodiment, the model of the rectifier bridge D1 and rectifier bridge D2 are KBP307 rectifier bridges, and the electric capacity C1 is
The μ F of capacitance 3 and pressure-resistant 630V electric capacity, the electric capacity C2 and electric capacity C3 are the μ F of capacitance 0.1 and pressure-resistant 1000V electric capacity,
The electric capacity C4 and electric capacity C5 are capacitance for 10 μ F and pressure-resistant 250V electric capacity, the electric capacity C6, electric capacity C7, electric capacity C8,
Electric capacity C9, electric capacity C10 and electric capacity C11 are that capacitance is 10 μ F and pressure-resistant 250V electric capacity.
In the present embodiment, the breaker 13 of the first breaker 12 and second is dc circuit breaker, the 3rd open circuit
Device 14 is AC circuit breaker.
In the present embodiment, by set the first breaker 12 and the second breaker 13 to be respectively used to sending end circuit 10 and by
Terminal circuit 11 is protected, and is more than the first breaker 12 and the second open circuit when sending end circuit 10 and by the DC current of terminal circuit 11
During the setting value of device 13, disconnected by sending end circuit 10 and by terminal circuit 11 with rail 4, protect sending end circuit 10 and by terminal circuit 11
Security, it is to avoid break down, damage equipment.
In the present embodiment, by setting the 3rd breaker 14 to be used to protect the power supply circuit of code-emitting equipment 1, work as rail
When the operating current of road circuit system is more than the setting value of the 3rd breaker 14, disconnects the power module and supplied for code-emitting equipment 1
Electricity, protects the safety of whole track circuit system.
The utility model is in use, use voltage 220V frequencies to be powered for 50Hz power supply to code-emitting equipment 1, signaling
Equipment 1 exports different size of asymmetric high-voltage pulse according to the rusting rate of rail 4 and the length adjustment of rail 4, and this is not right
Claim high-voltage pulse to pass through the reduced output voltage of sending end track transformer 2, and rail 4 be sent to by the breaker 12 of current limiter 3 and first,
The asymmetric high-voltage pulse is sent to by terminal circuit 11 by rail 4, by the receiving end preventative resistance 5 and second in terminal circuit 11
Breaker 13 receive by rail 4 transmit Lai asymmetric high-voltage pulse, while by the breaker 13 of receiving end preventative resistance 5 and second
Into receiving end track transformer 6, receiving end track transformer 6 by asymmetric high-voltage pulse boost after and transmit to four leg electric capacity 7, wear
The input that four leg electric capacity 7 reach decoder 8 is crossed, asymmetric high-voltage pulse is converted to the head DC pulse by decoder 8
With afterbody DC pulse output, supply receiving device 9 works, so as to judge rail vehicle occupancy, detection are whether there is on track
It is convenient, it is adaptable to DC current traction track section, it is possible to increase rail surface voltage, puncture rail level rusty scale, improve track circuit point
Road sensitivity, solves the problems, such as shunting badness, and functional reliability and stability are high, while traffic safety is improved, it is practical.
It is described above, only it is preferred embodiment of the present utility model, not makees any reduction, every to the utility model
Any simple modification, change and the equivalent structure change made according to the utility model technical spirit to above example, still
Belong in the protection domain of technical solutions of the utility model.
Claims (9)
1. a kind of asymmetric high-voltage pulse track circuit system of DC traction, it is characterised in that：Including being connected in rail (4) in parallel
On sending end circuit (10) and by terminal circuit (11), power module, the signaling that the sending end circuit (10) includes connecting successively are set
Standby (1) and sending end track transformer (2), receiving end track transformer (6), four legs for being included connecting successively by terminal circuit (11)
Electric capacity (7), decoder (8) and receiving device (9), two inputs of the first siding ring of the sending end track transformer (2)
Connect respectively with two output ends of code-emitting equipment (1), an output of the second siding ring of the sending end track transformer (2)
End connects by current limiter (3) with rail (4), another output end of the second siding ring of the sending end track transformer (2)
Connect by the first breaker (12) with rail (4), an input of the first siding ring of the receiving end track transformer (6)
Connect with one end of receiving end preventative resistance (5), another input of the first siding ring of the receiving end track transformer (6) with
The output end of second breaker (13) connects, the input of the other end and the second breaker (13) of the receiving end preventative resistance (5)
End is connected with rail (4) respectively, and two output ends of the second siding ring of the receiving end track transformer (6) are electric with four legs respectively
Two inputs for holding (7) connect, two inputs of two output ends of the four legs electric capacity (7) respectively with decoder (8)
Connect, two output ends of the decoder (8) connect with receiving device (9) respectively, the power module is code-emitting equipment (1)
The 3rd breaker (14) is provided with power supply, and current supply circuit of the power module for code-emitting equipment (1) power supply.
2. according to the asymmetric high-voltage pulse track circuit system of DC traction described in claim 1, it is characterised in that：The electricity
Source module is the power supply that voltage 220V frequencies are 50Hz, and an output end of the power module passes through the 3rd breaker
(14) connect with an input of code-emitting equipment (1), another output end of the power module is another with code-emitting equipment (1)
One input connects.
3. according to the asymmetric high-voltage pulse track circuit system of DC traction described in claim 1 or 2, it is characterised in that：Institute
Stating code-emitting equipment (1) includes the first transformer (1-1), the high-tension circuit connected with the first transformer (1-1) output end and low pressure
Circuit, the high-tension circuit includes the first rectification circuit (1-2) and the discharge and recharge connected with the first rectification circuit (1-2) output end
Electric capacity (1-3), the low-voltage circuit includes the second rectification circuit (1-4), mu balanced circuit (1-5) and the timer electricity connected successively
Road (1-6), the output of the charge and discharge capacitance (1-3) and timer circuit (1-6) is terminated with ghyristor circuit (1-7), described
The output of ghyristor circuit (1-7) is terminated with current-limiting resistance (1-8), first transformer (1-1) and the power module phase
Connect.
4. according to the asymmetric high-voltage pulse track circuit system of DC traction described in claim 1 or 2, it is characterised in that：Institute
Stating decoder (8) includes the second transformer (8-1) and the head DC-pulse connected with the second transformer (8-1) output end
Road and afterbody direct-flow impulse circuit, the head direct-flow impulse circuit include the 3rd rectification circuit (8-2) and with the 3rd rectified current
The first filter circuit (8-3) that road (8-2) output end connects, the afterbody direct-flow impulse circuit include clamp circuit (8-4) and
The second filter circuit (8-5) connected with clamp circuit (8-4) output end.
5. according to the asymmetric high-voltage pulse track circuit system of DC traction described in claim 1 or 2, it is characterised in that：Institute
Receiving device (9) is stated for JCRC-24.7K/7.5K type binary differential relays.
6. according to the asymmetric high-voltage pulse track circuit system of DC traction described in claim 3, it is characterised in that：It is described to send
The first siding ring of track transformer (2) and the second siding ring of sending end track transformer (2) is held to include two groups of coils, it is described
The output of sending end track transformer (2) is compared for 3.5:1、4.0:1、4.5:1、5.0:1 or 5.5：1.
7. according to the asymmetric high-voltage pulse track circuit system of DC traction described in claim 4, it is characterised in that：It is described by
The first siding ring of track transformer (6) and the second siding ring of receiving end track transformer (6) is held to include two groups of coils, it is described
The output of receiving end track transformer (6) is compared for 1:3.5、1:4.0、1:4.5、1:5.0 or 1：5.5.
8. according to the asymmetric high-voltage pulse track circuit system of DC traction described in claim 4, it is characterised in that：Described
Two transformers (8-1) include transformer T1, and the 3rd rectification circuit (8-2) includes rectifier bridge D1 and electric capacity C2, described first
Filter circuit (8-3) includes electric capacity C4 and electric capacity C5, and the clamp circuit (8-4) includes electric capacity C6, electric capacity C7, electric capacity C8, electricity
Hold C9, electric capacity C10, electric capacity C11 and rectifier bridge D2, second filter circuit (8-5) includes electric capacity C3, the transformer T1's
Two output ends of two inputs of first siding ring respectively with four leg electric capacity (7) connect, the secondary side of the transformer T1
Seven tunnels of coil point, the first via connects with a rectifier bridge D1 DC output end, and the second tunnel connects with electric capacity C2 one end, and the 3rd
Road connects with electric capacity C4 one end, and the 4th tunnel connects with electric capacity C5 one end, and the 5th tunnel is through electric capacity C6 in parallel, electric capacity C7, electricity
Connect after holding C8, electric capacity C9, electric capacity C10 and electric capacity C11 with a rectifier bridge D2 DC output end；6th tunnel is with electric capacity C3's
One end connects, and the 7th tunnel connects with rectifier bridge D2 another DC output end, an ac input end of the rectifier bridge D2
Connect with rectifier bridge D2 another ac input end, an ac input end of the rectifier bridge D1 and another with rectifier bridge D1
One ac input end connects, three tunnels of another DC output end of the rectifier bridge D1 and electric capacity C2 connection end point, all the way with electricity
The other end for holding C4 connects, and another road connects with the electric capacity C5 other end, and the 3rd tunnel is the one of the head direct-flow impulse circuit
The connection end of individual output end, one end of the electric capacity C4 and electric capacity C5 one end is another of the head direct-flow impulse circuit
Output end；One end of the electric capacity C3 and the connection end of a rectifier bridge D2 DC output end are the afterbody DC-pulse
The connection end of one output end on road, the other end of the electric capacity C3 and rectifier bridge D2 another DC output end is the tail
Another output end of portion's direct-flow impulse circuit.
9. according to the asymmetric high-voltage pulse track circuit system of DC traction described in claim 2, it is characterised in that：Described
One breaker (12) and the second breaker (13) are dc circuit breaker, and the 3rd breaker (14) is AC circuit breaker.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108021035A (en) * | 2017-11-17 | 2018-05-11 | 电子科技大学 | A kind of branch residual voltage amplitude stability method based on compensation leak resistance |
| CN109398415A (en) * | 2018-11-05 | 2019-03-01 | 北京全路通信信号研究设计院集团有限公司 | A kind of asymmetry high-voltage pulse track circuit stick plate electric discharge protective device |
| CN109398415B (en) * | 2018-11-05 | 2024-05-10 | 北京全路通信信号研究设计院集团有限公司 | Rod plate discharge protection device for asymmetric high-voltage pulse track circuit |
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2017
- 2017-01-23 CN CN201720099965.XU patent/CN206427056U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108021035A (en) * | 2017-11-17 | 2018-05-11 | 电子科技大学 | A kind of branch residual voltage amplitude stability method based on compensation leak resistance |
| CN108021035B (en) * | 2017-11-17 | 2020-07-21 | 电子科技大学 | Shunt residual voltage amplitude stabilizing method based on compensation leakage resistor |
| CN109398415A (en) * | 2018-11-05 | 2019-03-01 | 北京全路通信信号研究设计院集团有限公司 | A kind of asymmetry high-voltage pulse track circuit stick plate electric discharge protective device |
| CN109398415B (en) * | 2018-11-05 | 2024-05-10 | 北京全路通信信号研究设计院集团有限公司 | Rod plate discharge protection device for asymmetric high-voltage pulse track circuit |
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