CN104828111A - Connector device for switch machine for railway - Google Patents
Connector device for switch machine for railway Download PDFInfo
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- CN104828111A CN104828111A CN201510284245.6A CN201510284245A CN104828111A CN 104828111 A CN104828111 A CN 104828111A CN 201510284245 A CN201510284245 A CN 201510284245A CN 104828111 A CN104828111 A CN 104828111A
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Abstract
The invention discloses a connector device for a switch machine for a railway. The connector device comprises a driver module, a switch machine control module and a turnout position information module. The driver module is used for receiving power system input and providing detection and protection, and for providing a working power supply. The switch machine control module is used for controlling the switch machine to rotate forwardly and reversely. The turnout position information module is used for detecting the actual position information of turnouts and transmitting the information to a railway microcomputer interlocking system. The connector device for the switch machine for the railway is provided with an intelligent micro-electronics circuit execution unit, and has the advantages of being high in detection speed and high in reliability. According to the connector device, a locking protection circuit in a module circuit has a dynamic circuit protection function, and the characteristics of 'failure-safety' are achieved; all the modules are independent of one another, and the modules can be combined conveniently and isolated safely.
Description
Technical field
The invention belongs to switch machine technical field, relate to a kind of railway switch machine, particularly relate to a kind of railway switch machine interface arrangement.
Background technology
Traditional railway signalling set controls the general logic control circuit adopting relay to form and realizes, and electrical accident rate is higher, and easily by the impact of ambient temperature, humidity, service life is short, and maintenance workload is large, increases maintenance cost.
In view of this, nowadays in the urgent need to designing a kind of new railway switch machine mode, to overcome the above-mentioned defect of existing mode.
Summary of the invention
Technical matters to be solved by this invention is: provide a kind of railway switch machine interface arrangement, can improve detection efficiency and reliability.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of railway switch machine interface arrangement, described interface arrangement comprises:
Driver module, inputs for receiving power-supply system and provides detection and protection, providing working power; Described driver module comprises power supply discriminator circuit, current detecting protective circuit; Power supply discriminator circuit is for realizing the detection of three-phase input supply voltage, disconnected phase and phase sequence; Current detecting protective circuit is used for realizing switch machine current acquisition, detection and overcurrent protection;
Railway switch control module, rotates forward and reversion for controlling point machine; Described railway switch control module realizes the positioning control controlling switch machine, and antiposition controls and locking defense controls; Railway switch control model calling driver module;
Switch location information module, for detecting track switch actual position information, and transfers to railway microcomputer interlock system; Described switch location information module realizes detecting and feeds back the real time operation location information of track switch, and namely locating information, antiposition information, track switch are squeezed or be in warning and the expression information of " four open " position for some reason; Switch location information module connects driver module.
Described power supply discriminator circuit comprises the first voltage transformer, the second voltage transformer, the 3rd voltage transformer, phase shift circuit, first phase measuring unit, second phase measuring unit, the first AD converter, the second AD converter, treater; Incoming signal forms 3 road input power signals respectively through after the first voltage transformer, the second voltage transformer, the 3rd voltage transformer;
First voltage transformer connects the input end of phase shift circuit; The mouth of phase shift circuit, the second voltage transformer connect the input end of first phase measuring unit respectively, and the mouth of phase shift circuit, the 3rd voltage transformer connect the input end of second phase measuring unit respectively;
First phase measuring unit, the first AD converter, treater connect successively, and second phase measuring unit, the second AD converter, treater connect successively.
Described power supply discriminator circuit adopts phase shift circuit to wherein the 1st road input power signal phase shift 90 degree, as reference input power signal; Judge the phase place to the 2nd road power supply input signal with first phase measuring unit, second phase measuring unit, as auxiliary circuit, judges the phase place of the 3rd road input power signal, thus judges the phase sequence of three phase input signals;
Wherein first phase measuring unit inside comprises the wide band logarithmic amplifier of 2 precision-matched, 1 wideband phase detector, the accurate a reference source of 1.8V and simulated calibration circuit and interface circuit, can measure the gain in from low frequency to 2.7GHz frequency limit 2 incoming signals and phase difference simultaneously;
The scope of measure phase difference is 0 °-180 °, and corresponding output voltage variation range is 0V-1.8V, and output voltage sensitivity is 10mV/ degree, and measured error is less than 0.5 °; When phase difference ψ=0 °, output voltage is 1.8V; When Δ ψ=180 °, output voltage is 30mV, and outgoing current is 8mA;
The expression formula of phase difference output voltage is:
In formula,
for phase difference ramp voltage, unit is mV/ degree; ψ is the phase place of each signal, unit degree of being; Phase detector has the phase range of 180 °; Time centered by 90 °, this phase range is 0 ° ~+180 °, time centered by-90 °, and this phase range is 0 ° ~-180 °; Different with numerical value during at 150 ° at 30 ° according to the phase difference response characteristic of first phase measuring unit, judge the phase difference of 2 measured signals, judged the phase sequence of incoming signal by phase difference.
A kind of railway switch machine interface arrangement, described interface arrangement comprises:
Driver module, inputs for receiving power-supply system and provides detection and protection, providing working power;
Railway switch control module, rotates forward and reversion for controlling point machine; Railway switch control model calling driver module;
Switch location information module, for detecting track switch actual position information, and transfers to railway microcomputer interlock system; Switch location information module connects driver module.
As a preferred embodiment of the present invention, described driver module comprises:
Power supply discriminator circuit, for realizing the detection of three-phase input supply voltage, disconnected phase and phase sequence;
Current detecting protective circuit, for realizing switch machine current acquisition, detection and overcurrent protection.
As a preferred embodiment of the present invention, described power supply discriminator circuit comprises the first voltage transformer, the second voltage transformer, the 3rd voltage transformer, phase shift circuit, first phase measuring unit, second phase measuring unit, the first AD converter, the second AD converter, treater; Incoming signal forms 3 road input power signals respectively through after the first voltage transformer, the second voltage transformer, the 3rd voltage transformer;
First voltage transformer connects the input end of phase shift circuit; The mouth of phase shift circuit, the second voltage transformer connect the input end of first phase measuring unit respectively, and the mouth of phase shift circuit, the 3rd voltage transformer connect the input end of second phase measuring unit respectively;
First phase measuring unit, the first AD converter, treater connect successively, and second phase measuring unit, the second AD converter, treater connect successively.
As a preferred embodiment of the present invention, described power supply discriminator circuit adopts phase shift circuit to wherein the 1st road input power signal phase shift 90 degree, as reference input power signal; Judge the phase place to the 2nd road power supply input signal with first phase measuring unit, second phase measuring unit, as auxiliary circuit, judges the phase place of the 3rd road input power signal, thus judges the phase sequence of three phase input signals;
Wherein first phase measuring unit inside comprises the wide band logarithmic amplifier of 2 precision-matched, 1 wideband phase detector, the accurate a reference source of 1.8V and simulated calibration circuit and interface circuit, can measure the gain in from low frequency to 2.7GHz frequency limit 2 incoming signals and phase difference simultaneously;
The scope of measure phase difference is 0 °-180 °, and corresponding output voltage variation range is 0V-1.8V, and output voltage sensitivity is 10mV/ degree, and measured error is less than 0.5 °; When phase difference ψ=0 °, output voltage is 1.8V; When Δ ψ=180 °, output voltage is 30mV, and outgoing current is 8mA;
The expression formula of phase difference output voltage is:
In formula,
for phase difference ramp voltage, unit is mV/ degree; ψ is the phase place of each signal, unit degree of being; Phase detector has the phase range of 180 °; Time centered by 90 °, this phase range is 0 ° ~+180 °, time centered by-90 °, and this phase range is 0 ° ~-180 °; Different with numerical value during at 150 ° at 30 ° according to the phase difference response characteristic of first phase measuring unit, judge the phase difference of 2 measured signals, judged the phase sequence of incoming signal by phase difference.
As a preferred embodiment of the present invention, described railway switch control module realizes the positioning control controlling switch machine, and antiposition controls and locking defense controls.
As a preferred embodiment of the present invention, described switch location information module realizes detecting and feeds back the real time operation location information of track switch, and namely locating information, antiposition information, track switch are squeezed or be in warning and the expression information of " four open " position for some reason.
Beneficial effect of the present invention is: the railway switch machine interface arrangement that the present invention proposes, and has intelligent microelectronic circuit performance element, has the advantages that detection speed is fast, reliability is high.Locking protection circuit in apparatus of the present invention modular circuit adopts dynamic circuit defencive function, has the characteristic of " fail safe ".Each module is separate, convenient combination, Secure isolation.
Accompanying drawing explanation
Fig. 1 is the composition schematic diagram of railway switch machine interface arrangement of the present invention.
Fig. 2 is the schematic circuit diagram of power supply discriminator circuit.
Fig. 3 is the schematic circuit diagram of phase shift circuit.
Fig. 4 is the phase difference response characteristic figure of AD8302.
Detailed description of the invention
The preferred embodiments of the present invention are described in detail below in conjunction with accompanying drawing.
Embodiment one
Refer to Fig. 1, present invention is disclosed a kind of railway switch machine interface arrangement, described interface arrangement comprises: driver module 1, railway switch control module 2, switch location information module 3; Driver module 1 connects railway switch control module 2, switch location information module 3 respectively.
[driver module]
Driver module inputs for receiving power-supply system and provides detection and protection, provides working power; Described driver module comprises power supply discriminator circuit, current detecting protective circuit; Power supply discriminator circuit is for realizing the detection of three-phase input supply voltage, disconnected phase and phase sequence; Current detecting protective circuit is used for realizing switch machine current acquisition, detection and overcurrent protection.
Described power supply discriminator circuit comprises the first voltage transformer, the second voltage transformer, the 3rd voltage transformer, phase shift circuit, first phase measuring unit, second phase measuring unit, the first AD converter, the second AD converter, treater; Incoming signal forms 3 road input power signals respectively through after the first voltage transformer, the second voltage transformer, the 3rd voltage transformer.First voltage transformer connects the input end of phase shift circuit; The mouth of phase shift circuit, the second voltage transformer connect the input end of first phase measuring unit respectively, and the mouth of phase shift circuit, the 3rd voltage transformer connect the input end of second phase measuring unit respectively.First phase measuring unit, the first AD converter, treater connect successively, and second phase measuring unit, the second AD converter, treater connect successively.
Described power supply discriminator circuit adopts phase shift circuit to wherein the 1st road input power signal phase shift 90 degree, as reference input power signal; Judge the phase place to the 2nd road power supply input signal with first phase measuring unit, second phase measuring unit, as auxiliary circuit, judges the phase place of the 3rd road input power signal, thus judges the phase sequence of three phase input signals.
Wherein first phase measuring unit inside comprises the wide band logarithmic amplifier of 2 precision-matched, 1 wideband phase detector, the accurate a reference source of 1.8V and simulated calibration circuit and interface circuit, can measure the gain in from low frequency to 2.7GHz frequency limit 2 incoming signals and phase difference simultaneously.
The scope of measure phase difference is 0 °-180 °, and corresponding output voltage variation range is 0V-1.8V, and output voltage sensitivity is 10mV/ degree, and measured error is less than 0.5 °; When phase difference ψ=0 °, output voltage is 1.8V; When Δ ψ=180 °, output voltage is 30mV, and outgoing current is 8mA.
The expression formula of phase difference output voltage is:
In formula,
for phase difference ramp voltage, unit is mV/ degree; ψ is the phase place of each signal, unit degree of being; Phase detector has the phase range of 180 °; Time centered by 90 °, this phase range is 0 ° ~+180 °, time centered by-90 °, and this phase range is 0 ° ~-180 °; Different with numerical value during at 150 ° at 30 ° according to the phase difference response characteristic of first phase measuring unit, judge the phase difference of 2 measured signals, judged the phase sequence of incoming signal by phase difference.
Particularly, refer to Fig. 2, the composition of power supply discriminator circuit as shown in Figure 2, adopt phase shift circuit to wherein the 1st road input power signal phase shift 90 degree, as reference input power signal, the composition of phase shift circuit as shown in Figure 3, and judge the phase place to the 2nd road power supply input signal with AD8302, another sheet AD8302, as auxiliary circuit, judges the phase place of the 3rd road input power signal, thus judges the phase sequence of three phase input signals.
Wherein AD8302 inside comprises the wide band logarithmic amplifier of 2 precision-matched, 1 wideband phase detector, the accurate a reference source of 1.8V and simulated calibration circuit and interface circuit, can measure the gain (also known as Amplitude Ratio) in from low frequency to 2.7GHz frequency limit 2 incoming signals and phase difference simultaneously.
The scope of measure phase difference is 0 °-180 °, and corresponding output voltage variation range is 0V-1.8V, and output voltage sensitivity is 10mV/ degree, and measured error is less than 0.5 °.When phase difference ψ=0 °, output voltage is 1.8V; When Δ ψ=180 °, output voltage is 30mV, and outgoing current is 8mA.
The expression formula of phase difference output voltage is:
In formula,
for phase difference ramp voltage, unit is mV/ degree; ψ is the phase place of each signal, unit degree of being.Phase detector has the phase range of 180 °.This phase range both can be 0 ° ~+180 ° (centered by 90 °), also can be 0 ° ~-180 ° (centered by-90 °).Different with numerical value during at 150 ° at 30 ° according to the phase difference response characteristic of AD8302, the phase difference of 2 measured signals can be judged, the phase sequence of incoming signal can be judged by phase difference, can Fig. 4 be consulted.
[railway switch control module]
Railway switch control module rotates forward and reversion for controlling point machine; Described railway switch control module realizes the positioning control controlling switch machine, and antiposition controls and locking defense controls.
[switch location information module]
Switch location information module for detecting track switch actual position information, and transfers to railway microcomputer interlock system; Described switch location information module realizes detecting and feeds back the real time operation location information of track switch, and namely locating information, antiposition information, track switch are squeezed or be in warning and the expression information of " four open " position for some reason.
Embodiment two
A kind of railway switch machine interface arrangement, described interface arrangement comprises: driver module, railway switch control module, switch location information module.
Driver module inputs for receiving power-supply system and provides detection and protection, provides working power; Railway switch control module rotates forward and reversion for controlling point machine; Switch location information module for detecting track switch actual position information, and transfers to railway microcomputer interlock system.
In sum, the railway switch machine interface arrangement that the present invention proposes, has intelligent microelectronic circuit performance element, has the advantages that detection speed is fast, reliability is high.Locking protection circuit in apparatus of the present invention modular circuit adopts dynamic circuit defencive function, has the characteristic of " fail safe ".Each module is separate, convenient combination, Secure isolation.
Here description of the invention and application is illustrative, not wants by scope restriction of the present invention in the above-described embodiments.Distortion and the change of embodiment disclosed are here possible, are known for the replacement of embodiment those those of ordinary skill in the art and the various parts of equivalence.Those skilled in the art are noted that when not departing from spirit of the present invention or essential characteristic, the present invention can in other forms, structure, layout, ratio, and to realize with other assembly, material and parts.When not departing from the scope of the invention and spirit, can other distortion be carried out here to disclosed embodiment and change.
Claims (7)
1. a railway switch machine interface arrangement, is characterized in that, described interface arrangement comprises:
-driver module, inputs for receiving power-supply system and provides detection and protection, providing working power; Described driver module comprises power supply discriminator circuit, current detecting protective circuit; Power supply discriminator circuit is for realizing the detection of three-phase input supply voltage, disconnected phase and phase sequence; Current detecting protective circuit is used for realizing switch machine current acquisition, detection and overcurrent protection;
-railway switch control module, rotates forward and reversion for controlling point machine; Described railway switch control module realizes the positioning control controlling switch machine, and antiposition controls and locking defense controls; Railway switch control model calling driver module;
-switch location information module, for detecting track switch actual position information, and transfers to railway microcomputer interlock system; Described switch location information module realizes detecting and feeds back the real time operation location information of track switch, and namely locating information, antiposition information, track switch are squeezed or be in warning and the expression information of " four open " position for some reason; Switch location information module connects driver module;
Wherein, power supply discriminator circuit comprises the first voltage transformer, the second voltage transformer, the 3rd voltage transformer, phase shift circuit, first phase measuring unit, second phase measuring unit, the first AD converter, the second AD converter, treater; Incoming signal forms 3 road input power signals respectively through after the first voltage transformer, the second voltage transformer, the 3rd voltage transformer;
First voltage transformer connects the input end of phase shift circuit; The mouth of phase shift circuit, the second voltage transformer connect the input end of first phase measuring unit respectively, and the mouth of phase shift circuit, the 3rd voltage transformer connect the input end of second phase measuring unit respectively;
First phase measuring unit, the first AD converter, treater connect successively, and second phase measuring unit, the second AD converter, treater connect successively;
Power supply discriminator circuit adopts phase shift circuit to wherein the 1st road input power signal phase shift 90 degree, as reference input power signal; Judge the phase place to the 2nd road power supply input signal with first phase measuring unit, second phase measuring unit, as auxiliary circuit, judges the phase place of the 3rd road input power signal, thus judges the phase sequence of three phase input signals;
Wherein first phase measuring unit inside comprises the wide band logarithmic amplifier of 2 precision-matched, 1 wideband phase detector, the accurate a reference source of 1.8V and simulated calibration circuit and interface circuit, can measure the gain in from low frequency to 2.7GHz frequency limit 2 incoming signals and phase difference simultaneously;
The scope of measure phase difference is 0 °-180 °, and corresponding output voltage variation range is 0V-1.8V, and output voltage sensitivity is 10mV/ degree, and measured error is less than 0.5 °; When phase difference ψ=0 °, output voltage is 1.8V; When Δ ψ=180 °, output voltage is 30mV, and outgoing current is 8mA;
The expression formula of phase difference output voltage is:
In formula,
for phase difference ramp voltage, unit is mV/ degree; ψ is the phase place of each signal, unit degree of being; Phase detector has the phase range of 180 °; Time centered by 90 °, this phase range is 0 ° ~+180 °, time centered by-90 °, and this phase range is 0 ° ~-180 °; Different with numerical value during at 150 ° at 30 ° according to the phase difference response characteristic of first phase measuring unit, judge the phase difference of 2 measured signals, judged the phase sequence of incoming signal by phase difference.
2. a railway switch machine interface arrangement, is characterized in that, described interface arrangement comprises:
Driver module, inputs for receiving power-supply system and provides detection and protection, providing working power;
Railway switch control module, rotates forward and reversion for controlling point machine; Railway switch control model calling driver module;
Switch location information module, for detecting track switch actual position information, and transfers to railway microcomputer interlock system; Switch location information module connects driver module.
3. railway switch machine interface arrangement according to claim 2, is characterized in that:
Described driver module comprises:
Power supply discriminator circuit, for realizing the detection of three-phase input supply voltage, disconnected phase and phase sequence;
Current detecting protective circuit, for realizing switch machine current acquisition, detection and overcurrent protection.
4. railway switch machine interface arrangement according to claim 3, is characterized in that:
Described power supply discriminator circuit comprises the first voltage transformer, the second voltage transformer, the 3rd voltage transformer, phase shift circuit, first phase measuring unit, second phase measuring unit, the first AD converter, the second AD converter, treater; Incoming signal forms 3 road input power signals respectively through after the first voltage transformer, the second voltage transformer, the 3rd voltage transformer;
First voltage transformer connects the input end of phase shift circuit; The mouth of phase shift circuit, the second voltage transformer connect the input end of first phase measuring unit respectively, and the mouth of phase shift circuit, the 3rd voltage transformer connect the input end of second phase measuring unit respectively;
First phase measuring unit, the first AD converter, treater connect successively, and second phase measuring unit, the second AD converter, treater connect successively.
5. railway switch machine interface arrangement according to claim 4, is characterized in that:
Described power supply discriminator circuit adopts phase shift circuit to wherein the 1st road input power signal phase shift 90 degree, as reference input power signal; Judge the phase place to the 2nd road power supply input signal with first phase measuring unit, second phase measuring unit, as auxiliary circuit, judges the phase place of the 3rd road input power signal, thus judges the phase sequence of three phase input signals;
Wherein first phase measuring unit inside comprises the wide band logarithmic amplifier of 2 precision-matched, 1 wideband phase detector, the accurate a reference source of 1.8V and simulated calibration circuit and interface circuit, can measure the gain in from low frequency to 2.7GHz frequency limit 2 incoming signals and phase difference simultaneously;
The scope of measure phase difference is 0 °-180 °, and corresponding output voltage variation range is 0V-1.8V, and output voltage sensitivity is 10mV/ degree, and measured error is less than 0.5 °; When phase difference ψ=0 °, output voltage is 1.8V; When Δ ψ=180 °, output voltage is 30mV, and outgoing current is 8mA;
The expression formula of phase difference output voltage is:
In formula,
for phase difference ramp voltage, unit is mV/ degree; ψ is the phase place of each signal, unit degree of being; Phase detector has the phase range of 180 °; Time centered by 90 °, this phase range is 0 ° ~+180 °, time centered by-90 °, and this phase range is 0 ° ~-180 °; Different with numerical value during at 150 ° at 30 ° according to the phase difference response characteristic of first phase measuring unit, judge the phase difference of 2 measured signals, judged the phase sequence of incoming signal by phase difference.
6. railway switch machine interface arrangement according to claim 2, is characterized in that:
Described railway switch control module realizes the positioning control controlling switch machine, and antiposition controls and locking defense controls.
7. railway switch machine interface arrangement according to claim 2, is characterized in that:
Described switch location information module realizes detecting and feeds back the real time operation location information of track switch, and namely locating information, antiposition information, track switch are squeezed or be in warning and the expression information of " four open " position for some reason.
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| CN201510284245.6A CN104828111A (en) | 2015-05-29 | 2015-05-29 | Connector device for switch machine for railway |
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| CN201510284245.6A CN104828111A (en) | 2015-05-29 | 2015-05-29 | Connector device for switch machine for railway |
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| CN107380209A (en) * | 2017-08-10 | 2017-11-24 | 浙江众合科技股份有限公司 | For controlling the detection circuit of goat |
| CZ309088B6 (en) * | 2021-01-20 | 2022-01-19 | AŽD Praha s.r.o. | Method of connecting an electromotive converter with universal connection and device for this method |
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Application publication date: 20150812 |