CN203637857U - Digital measuring and control device of four-wire system direct-current electric point machine turnout - Google Patents
Digital measuring and control device of four-wire system direct-current electric point machine turnout Download PDFInfo
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- CN203637857U CN203637857U CN201320814206.9U CN201320814206U CN203637857U CN 203637857 U CN203637857 U CN 203637857U CN 201320814206 U CN201320814206 U CN 201320814206U CN 203637857 U CN203637857 U CN 203637857U
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- 230000002452 interceptive effect Effects 0.000 claims abstract description 11
- 238000004891 communication Methods 0.000 claims description 12
- 238000012360 testing method Methods 0.000 claims description 11
- 238000002955 isolation Methods 0.000 claims description 8
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- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 abstract 1
- 230000001360 synchronised effect Effects 0.000 description 6
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Abstract
The utility model provides a digital measuring and control device of a four-wire system direct-current electric point machine turnout. The digital measuring and control device comprises a relay assembly connected with the site point machine turnout in a four-wire system mode. The digital measuring and control device further comprises a central processing unit, a state sampling unit, a state display unit and a control driving unit; the central processing unit is connected with the state sampling unit, the state display unit and the control driving unit in an interactive mode; the state sampling unit is connected with the state display unit in an interactive mode; the output end of the control driving unit is connected with the input end of the state display unit; the state sampling unit is connected with the site point machine turnout through the relay assembly. The digital measuring and control device can achieve safe measuring and control and digital management of the four-wire system direct-current electric point machine turnout by adopting dynamic pulse sequence signals, can detect and display the work state and a driving work current of the turnout, and provides effective parameter judging support for daily state repairing.
Description
Technical field
The utility model relates to railway signal computer interlock technical field, specifically a kind of digitalisation measure and control device of four-wire system DC electric switch machine track switch.
Background technology
Traditional track switch measure and control device, the expression voltage of track switch relies on transformer to convert alternating current 220V to interchange 110V and exports switch machine to, form switch indication loop through a diode again, represent that port voltage is by exchanging through bridge full-wave rectifier, trigger the prime of optocoupler by dividing potential drop, level signal is secondary through optocoupler, when optocoupler pulsation conducting, level signal arrives detecting device check point, become fluctuating signal, the expression voltage range of this kind of analogue detection circuitry detection is very little, owing to being all the curing circuit of hardware, bad adaptability, in the time representing that voltage has fluctuation, can cause switch breakdown, be difficult to safeguard, thereby affect the normal work of signal system.
Traditional track switch measure and control device, what track switch was controlled is input as a road d. c. voltage signal, because of the control start-up circuit of track switch in the time that location antiposition turns the utmost point for starting in a flash rear class pull up circuit, when this level signal is interfered or when circuit swinging cross, easily cause track switch misoperation, bring certain risk to traffic safety.In addition, traditional track switch measure and control device, its display port only has the indicator lamp of the action of location and antiposition to show there is no other parameter display, has brought inconvenience to daily maintenance.
Utility model content
The purpose of this utility model is to provide a kind of digitalisation measure and control device of four-wire system DC electric switch machine track switch, can realize observing and controlling and the digital management to four-wire system DC electric switch machine track switch by this device.
The technical solution of the utility model is:
A digitalisation measure and control device for four-wire system DC electric switch machine track switch, comprises the relay assembly being connected with on-the-spot switch machine track switch four-wire system, and this device also comprises central processor unit, state sampling unit, status display unit and control driver element; Described central processor unit is connected with state sampling unit, status display unit and control driver element are interactive respectively; Described state sampling unit is connected with status display unit is interactive; The mouth of described control driver element is connected with the input end of status display unit; Described state sampling unit is connected with on-the-spot switch machine track switch by relay assembly.
The digitalisation measure and control device of described four-wire system DC electric switch machine track switch, described central processor unit comprises nonvolatile memory, described nonvolatile memory is for storing control record and the operating status record of on-the-spot switch machine track switch.
The digitalisation measure and control device of described four-wire system DC electric switch machine track switch, described state sampling unit comprises the first testing circuit and second testing circuit of mutual isolation, described the first testing circuit is for the mode of operation of collection site switch machine track switch, and described the second testing circuit is for the driving working current of collection site switch machine track switch.
The digitalisation measure and control device of described four-wire system DC electric switch machine track switch, described status display unit is made up of graphic dot matrix LCDs and peripheral interface circuit thereof, for numbering, mode of operation and the driving working current of displaying scene switch machine track switch.
The digitalisation measure and control device of described four-wire system DC electric switch machine track switch, described control driver element comprises with pass filter circuit, drives sequential processing circuit, isolation change-over circuit and AC/DC change-over circuit; Described with pass filter circuit is connected with driving sequential processing circuit, and described driving sequential processing circuit is connected with AC/DC change-over circuit by isolation change-over circuit; Described driving sequential processing circuit is connected with central processor unit and status display unit interactive mode respectively; Described AC/DC change-over circuit is connected with relay assembly.
The digitalisation measure and control device of described four-wire system DC electric switch machine track switch, this device also comprises CAN bus communication interface unit, described CAN bus communication interface unit is connected with central processor unit is interactive.
The digitalisation measure and control device of described four-wire system DC electric switch machine track switch, this device also comprises fire-proof and dust-proof shell, described fire-proof and dust-proof shell is used for placing central processor unit, state sampling unit, status display unit and control driver element; Described fire-proof and dust-proof shell and relay assembly are parallel to be arranged on relay rack.
The utility model, by central processor unit being set and controlling driver element, can adopt dynamic pulse clock signal to realize safe observing and controlling and the digital management to four-wire system DC electric switch machine track switch; By state sampling unit and status display unit are set, can detect and show the mode of operation of track switch and drive working current, for providing actv. parameter to differentiate, daily " state is repaiied " support; By CAN bus communication interface is set, can realize the working condition of track switch is carried out to real time recording and management, improve the technological element of a product, also make daily attention more convenient.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model specific embodiment.
The specific embodiment
Further illustrate the utility model below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, a digitalisation measure and control device for four-wire system DC electric switch machine track switch, this device comprises central processor unit 1, state sampling unit 2, status display unit 3, CAN bus communication interface unit 4, control driver element 5, fire-proof and dust-proof shell (6) and the outside relay assembly 7 being connected with on-the-spot switch machine track switch 8 four-wire systems.Controlling driver element 5 comprises with pass filter circuit, drives sequential processing circuit, isolates change-over circuit, AC/DC change-over circuit.Central processor unit 1 is connected with the driving sequential processing circuit interactive mode of state sampling unit 2, status display unit 3, CAN bus communication interface unit 4 and control driver element 5 respectively.State sampling unit 2 is connected with status display unit 3 is interactive.Drive the mouth of sequential processing circuit to be connected with the input end of status display unit 3.Central processor unit 1, state sampling unit 2, status display unit 3, CAN bus communication interface unit 4 and control driver element 5 are meeting the interior realization of fire-proof and dust-proof shell 6 of railway signal standard, fire-proof and dust-proof shell 6 and parallel being arranged on relay rack of outside relay assembly 7.Every group of track switch joined a measure and control device and comprised the relay assembly that one-level starts, secondary starts, and the driving signal rated operational voltage being connected with on-the-spot switch machine track switch 8 is direct current 220V, and returning and surveying signal rated operational voltage is to exchange 110V.
In this device, be provided with digitized state sampling unit 2 and status display unit 3, driving working current, location/antiposition state, release/blocking and the indicating fault of energy displaying scene switch machine track switch 8.Wherein, location/antiposition state is the detected state that this device obtains according to the sample circuit of state sampling unit 2, and release/blocking is by receiving that higher level interlocks instruction that main frame sends and a kind of mode of operation that this device is set for.
In central processing unit 1 circuit, be provided with the nonvolatile memory of 8Mbit, for recording current control record and the operating status record that is not less than 4 hours.This device is by CAN bus communication interface 4 is set, and can adopt CAN bus mode to communicate with higher level's main frame of interlocking, and sets up how main formula bus communication system.The mode of operation of the on-the-spot switch machine track switch 8 of detecting when measure and control device in bus or while driving working current to change, central processor unit 1 can pass through CAN bus communication interface 4 real-time report.Higher level interlocks main frame also can be by CAN bus communication interface 4 to measure and control device the sample online demarcation of accuracy, management, also can realize a driving working current protection point threshold value for on-the-spot switch machine track switch 8 is adjusted to setting.
Higher level's main frame of interlocking drives signal through with pass filter and drives sequential processing to controlling the control that sends of driver element 5, provide benchmark positive and negative synchronous signal impulse, central processing unit 1 compares positive and negative said reference synchronous signal impulse and the higher level main frame of interlocking to the synchronous control signal of its transmission, select the pulse with certain frequency consistent with synchronous control signal sequential, phase place through the work of isolation conversion and control AC/DC change-over circuit, AC/DC change-over circuit converts interchange 24V to direct current 24V, for relay assembly 7 provides driving voltage.Control driver element 5 driving sequential processing circuit, isolation change-over circuit and AC/DC change-over circuit, relay assembly 7 misoperations of avoiding swinging cross and interference to cause are set.Higher level interlocks, and to adopt two-way amplitude be that the 20Hz positive phase synchronous control signal of direct current 24V represents to drive instruction to main frame, realize respectively to on-the-spot switch machine track switch 8 locate, the control of antiposition drives; Employing amplitude is that this device is set in blocking by 20Hz positive phase or the minus phase synchronous control signal of direct current 24V, adopts direct current 24V level or 0V level signal that this device is arranged to released state.
The above embodiment is only that preferred implementation of the present utility model is described; not scope of the present utility model is limited; do not departing under the prerequisite of the utility model design spirit; various distortion and improvement that those of ordinary skills make the technical solution of the utility model, all should fall in the definite protection domain of claims of the present utility model.
Claims (7)
1. the digitalisation measure and control device of a four-wire system DC electric switch machine track switch, comprise the relay assembly being connected with on-the-spot switch machine track switch four-wire system, it is characterized in that: this device also comprises central processor unit, state sampling unit, status display unit and control driver element; Described central processor unit is connected with state sampling unit, status display unit and control driver element are interactive respectively; Described state sampling unit is connected with status display unit is interactive; The mouth of described control driver element is connected with the input end of status display unit; Described state sampling unit is connected with on-the-spot switch machine track switch by relay assembly.
2. the digitalisation measure and control device of four-wire system DC electric switch machine track switch according to claim 1, it is characterized in that: described central processor unit comprises nonvolatile memory, described nonvolatile memory is for storing control record and the operating status record of on-the-spot switch machine track switch.
3. the digitalisation measure and control device of four-wire system DC electric switch machine track switch according to claim 1, it is characterized in that: described state sampling unit comprises the first testing circuit and second testing circuit of mutual isolation, described the first testing circuit is for the mode of operation of collection site switch machine track switch, and described the second testing circuit is for the driving working current of collection site switch machine track switch.
4. the digitalisation measure and control device of four-wire system DC electric switch machine track switch according to claim 1, it is characterized in that: described status display unit is made up of graphic dot matrix LCDs and peripheral interface circuit thereof, for numbering, mode of operation and the driving working current of displaying scene switch machine track switch.
5. the digitalisation measure and control device of four-wire system DC electric switch machine track switch according to claim 1, is characterized in that: described control driver element comprises with pass filter circuit, drives sequential processing circuit, isolation change-over circuit and AC/DC change-over circuit; Described with pass filter circuit is connected with driving sequential processing circuit, and described driving sequential processing circuit is connected with AC/DC change-over circuit by isolation change-over circuit; Described driving sequential processing circuit is connected with central processor unit and status display unit respectively; Described AC/DC change-over circuit is connected with relay assembly.
6. the digitalisation measure and control device of four-wire system DC electric switch machine track switch according to claim 1, is characterized in that: this device also comprises CAN bus communication interface unit, and described CAN bus communication interface unit is connected with central processor unit is interactive.
7. the digitalisation measure and control device of four-wire system DC electric switch machine track switch according to claim 1, it is characterized in that: this device also comprises fire-proof and dust-proof shell, described fire-proof and dust-proof shell is used for placing central processor unit, state sampling unit, status display unit and control driver element; Described fire-proof and dust-proof shell and relay assembly are parallel to be arranged on relay rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320814206.9U CN203637857U (en) | 2013-12-12 | 2013-12-12 | Digital measuring and control device of four-wire system direct-current electric point machine turnout |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320814206.9U CN203637857U (en) | 2013-12-12 | 2013-12-12 | Digital measuring and control device of four-wire system direct-current electric point machine turnout |
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| CN203637857U true CN203637857U (en) | 2014-06-11 |
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| CN201320814206.9U Expired - Lifetime CN203637857U (en) | 2013-12-12 | 2013-12-12 | Digital measuring and control device of four-wire system direct-current electric point machine turnout |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105151087A (en) * | 2015-10-20 | 2015-12-16 | 南京恩瑞特实业有限公司 | Buried switch machine control system for tramcar |
| CN106371332A (en) * | 2016-08-30 | 2017-02-01 | 浙江众合科技股份有限公司 | Point machine electronic simulation circuit |
| 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 |
| CN108112245A (en) * | 2015-09-18 | 2018-06-01 | 西门子公司 | For the method for being powered and controlling for electric installation and to railway switch driving device of railway switch driving device |
| CN109906182A (en) * | 2016-11-02 | 2019-06-18 | 西门子移动有限公司 | Method and apparatus for railway switch diagnosis |
| CN117538671A (en) * | 2024-01-10 | 2024-02-09 | 北京和利时系统工程有限公司 | Simulation device and operation method of four-wire direct current switch machine |
-
2013
- 2013-12-12 CN CN201320814206.9U patent/CN203637857U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108112245A (en) * | 2015-09-18 | 2018-06-01 | 西门子公司 | For the method for being powered and controlling for electric installation and to railway switch driving device of railway switch driving device |
| US10875555B2 (en) | 2015-09-18 | 2020-12-29 | Siemens Mobility GmbH | Energy supply device for a switch machine and method for supplying energy to and controlling a switch machine |
| CN105151087A (en) * | 2015-10-20 | 2015-12-16 | 南京恩瑞特实业有限公司 | Buried switch machine control system for tramcar |
| CN106371332A (en) * | 2016-08-30 | 2017-02-01 | 浙江众合科技股份有限公司 | Point machine electronic simulation circuit |
| CN109906182A (en) * | 2016-11-02 | 2019-06-18 | 西门子移动有限公司 | Method and apparatus for railway switch diagnosis |
| CN109906182B (en) * | 2016-11-02 | 2021-09-24 | 西门子交通有限公司 | Method and apparatus for switch diagnostics |
| 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 |
| CN107380209B (en) * | 2017-08-10 | 2024-03-12 | 浙江众合科技股份有限公司 | Detection circuit for controlling switch machine |
| CN117538671A (en) * | 2024-01-10 | 2024-02-09 | 北京和利时系统工程有限公司 | Simulation device and operation method of four-wire direct current switch machine |
| CN117538671B (en) * | 2024-01-10 | 2024-04-05 | 北京和利时系统工程有限公司 | Simulation device and operation method of four-wire direct current switch machine |
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Granted publication date: 20140611 |
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| CX01 | Expiry of patent term |