CN115140119B - Switch indication controller for station ground control system - Google Patents
Switch indication controller for station ground control system Download PDFInfo
- Publication number
- CN115140119B CN115140119B CN202210830717.3A CN202210830717A CN115140119B CN 115140119 B CN115140119 B CN 115140119B CN 202210830717 A CN202210830717 A CN 202210830717A CN 115140119 B CN115140119 B CN 115140119B
- Authority
- CN
- China
- Prior art keywords
- meter
- representation unit
- power supply
- detection
- unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001514 detection method Methods 0.000 claims abstract description 195
- 238000004804 winding Methods 0.000 claims description 23
- 230000011664 signaling Effects 0.000 claims description 2
- 238000004092 self-diagnosis Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 5
- 210000000078 claw Anatomy 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 101000629937 Homo sapiens Translocon-associated protein subunit alpha Proteins 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 102100026231 Translocon-associated protein subunit alpha Human genes 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
- B61L5/10—Locking mechanisms for points; Means for indicating the setting of points
- B61L5/102—Controlling electrically
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
- B61L5/06—Electric devices for operating points or scotch-blocks, e.g. using electromotive driving means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The application discloses a turnout indication controller for a station ground control system, and belongs to the technical field of train control. The device comprises a power supply control unit, a loop guiding unit, a fixed table representing unit and a reverse table representing unit; the power supply control unit comprises a transformer and an electronic switch, and the loop guiding unit comprises a positive half-wave conduction branch of the fixed-table representation unit and a negative half-wave conduction branch of the inverse-table representation unit; the meter-fixing representation unit comprises a meter-fixing detection positive-connection photoelectric coupler, a meter-fixing detection reverse-connection photoelectric coupler and a meter-fixing representation unit power supply loop voltage sensor; the interlocking logic operation unit receives signals sent by the signal acquisition end of the fixed table representation unit and the signal acquisition end of the inverse table representation unit and the action stop signal of the turnout driving motor. It has self-diagnosis function and safe and reliable operation.
Description
Technical Field
The application relates to the technical field of train control.
Background
The ZD6 direct current turnout switch machine is a switch machine widely used in stations. The switch control unit comprises a switch driving device and a switch indication controller, wherein the switch driving device is connected with a core rail of a switch through a mechanical connecting rod, and the switch machine is rotationally connected with an action rod to pull and push the core rail so that the switch is positioned or reversed (the positioning indicates the straight strand of the switch, and the reversed indicates the bent strand of the switch). The switch indication controller is used for feeding back the position state of the switch in the positioning or reversing position to the ground control system of the station, and along with the development of railway signals, the mode of realizing the control and indication acquisition of the switch machine by adopting a railway signal relay circuit is changed into a modularized and intelligent control mode. The control of the switch machine is realized by adopting a mode of micro-processing and an interface circuit. The switch indication controller is an important interface circuit, and the switch indication controller fault gives an error indication of possible serious driving accidents.
The currently used turnout indication controller indicates that the power supply is communicated with a power supply loop of the positioning indication relay or the inversion indication relay through a turnout driving motor direction control relay and a corresponding positioning indication switch or an inversion indication switch of the switcher, obtains a direct current signal to drive the corresponding positioning indication relay or the inversion indication relay to suck, and determines that the turnout is positioned or inverted through collecting the contact state of the relay. The circuit structure is relatively simple, and has the following defects: 1. the required positioning indicating relay or the inversion indicating relay is a gravity type safety relay which is large and heavy and cannot realize intelligent and miniaturized design; 2. through the principle that the relay is attracted by a direct current signal, the falling voltage of the relay is not more than 4V, and the relay can not fall due to direct current voltage residual voltage or induced voltage on a line, so that potential safety hazards exist; 3. for mixed lines appearing on site, the relay is possibly sucked up and cannot be detected, and potential safety hazards exist.
Disclosure of Invention
The application aims to solve the technical problem of providing a switch indication controller for a station ground control system, which has a self-diagnosis function and is safe and reliable to work.
In order to solve the technical problems, the application adopts the following technical scheme:
a kind of ground control system of station uses the switch to represent the controller, including power control unit, return circuit guide unit, fixed form represent unit and inverse form represent unit;
the power supply control unit comprises a transformer and an electronic switch, wherein a secondary coil of the transformer is provided with a position detection voltage output end formed by a power line connecting end A and a power line connecting end B so as to output a position detection alternating current voltage Uab; the electronic switch is used for receiving the switch driving motor action stop signal, generating a switching value control signal after receiving the signal, and controlling the output position of the transformer to detect the alternating current voltage Uab; the position detection voltage output end supplies power to the fixed table representation unit and the inverse table representation unit through the fixed table representation unit power supply loop and the inverse table representation unit power supply loop respectively;
the loop guiding unit comprises a positive half-wave conduction branch of the fixed-table representation unit and a negative half-wave conduction branch of the inverse-table representation unit;
the meter-fixing representing unit positive half-wave conduction branch is mainly formed by connecting a rectifier diode and at least one meter-fixing position detection switch in series, the meter-fixing representing unit positive half-wave conduction branch is connected in series in a meter-fixing representing unit power supply loop, when the turnout is positioned, the meter-fixing position detection switch is closed, the meter-fixing representing unit power supply loop is in a passage state, and the connection direction of the rectifier diode enables negative half waves in the meter-fixing representing unit power supply loop to be cut off so as to provide positive half-wave power for the meter-fixing representing unit;
the reverse meter representation unit negative half-wave conduction branch is mainly formed by connecting a rectifier diode and at least one reverse meter position detection switch in series, the reverse meter representation unit negative half-wave conduction branch is connected in series in a reverse meter representation unit power supply loop, when the turnout is in a reverse position, the reverse meter position detection switch is closed, the reverse meter representation unit power supply loop is in a passage state, and the connection direction of the rectifier diode enables positive half waves in the reverse meter representation unit power supply loop to be cut off so as to provide negative half-wave power supply for the reverse meter representation unit;
the fixed table representation unit is provided with a fixed table representation unit signal acquisition end and comprises a detection element arranged in a power supply loop of the fixed table representation unit, wherein the detection element comprises at least two of the following components: the positive photoelectric coupler is connected to the fixed meter detection, the negative photoelectric coupler is connected to the fixed meter detection, and the fixed meter represents the unit power supply loop voltage sensor, the fixed meter detection positive photoelectric coupler is connected to the fixed meter represents the unit power supply loop, so that the light emitting diode at the input end of the fixed meter detection positive photoelectric coupler is in a conducting state, the output end of the fixed meter detection positive photoelectric coupler is controlled by the positive half-wave power supply of the fixed meter represents the unit power supply loop, so that the output end of the fixed meter detection positive photoelectric coupler outputs a high-level pulse detection signal, and the output end of the fixed meter detection positive photoelectric coupler is the fixed meter represents the high-level detection output end of the unit; the fixed meter detection reverse connection photoelectric coupler is reversely connected in the fixed meter representation unit power supply loop so that the light emitting diode at the input end of the fixed meter representation unit power supply loop is in a cut-off state, the output end of the fixed meter detection reverse connection photoelectric coupler outputs a low-level detection signal, and the output end of the fixed meter detection reverse connection photoelectric coupler is the low-level detection output end of the fixed meter representation unit; the fixed meter representation unit power supply loop voltage sensor is used for detecting a voltage value signal of a position detection alternating current voltage Uab in the measuring meter representation unit power supply loop, the fixed meter representation unit high level detection output end, the fixed meter representation unit low level detection output end and the fixed meter representation unit power supply loop voltage sensor output end form a fixed meter representation unit signal acquisition end;
the inverse table representation unit is provided with an inverse table representation unit signal acquisition end and comprises detection elements arranged in a power supply loop of the inverse table representation unit, wherein the detection elements comprise at least two of the following components: the reverse meter detection positive-connection photoelectric coupler is positively connected in the reverse meter representation unit power supply loop so that the light-emitting diode at the input end of the reverse meter detection positive-connection photoelectric coupler is in a conducting state and is controlled by the reverse meter representation unit power supply loop negative-direction half-wave power supply, and the output end of the reverse meter detection positive-connection photoelectric coupler outputs a high-level pulse detection signal; the output end of the inverse meter detection positive-connection photoelectric coupler is an inverse meter representation unit high-level detection output end; the inverse meter detection inverse-connection photoelectric coupler is inversely connected in the inverse meter representation unit power supply loop so that the light emitting diode at the input end of the inverse meter representation unit power supply loop is in a cut-off state, the output end of the inverse meter detection inverse-connection photoelectric coupler outputs a low-level detection signal, and the output end of the inverse meter detection inverse-connection photoelectric coupler is the inverse meter representation unit low-level detection output end; the inverse table represents the voltage value signal of the position detection alternating current voltage Uab in the unit power supply loop, the inverse table represents the high level detection output end of the unit, and the inverse table represents the low level detection output end of the unit and the output end of the inverse table represents the signal acquisition end of the unit.
The application is further improved in that:
in the loop guiding unit, a positive half-wave conduction branch of the fixed-table representation unit and a negative half-wave conduction branch of the inverse-table representation unit share a rectifying diode D; the rectifying diode D is connected with at least one epitope detecting switch in series to form a positive half-wave conduction branch of the epitope representing unit, and the rectifying diode D is connected with at least one counter epitope detecting switch in series to form a negative half-wave conduction branch of the counter representing unit; the end part of the positive half-wave conduction branch of the meter display unit positioned at the positive side of the rectifier diode D and the end part of the negative half-wave conduction branch of the meter display unit positioned at the negative side of the rectifier diode D are connected together to form a common connection end E of the loop guide unit, and the common connection end E is used for being connected with a power line connection end A of a transformer, so that the common connection ends of the meter display unit power supply loop and the meter display unit power supply loop are formed; the end part of the positive half-wave conduction branch of the meter display unit positioned at one side of the cathode of the rectifier diode D is a meter display unit connecting end F which is used for being connected with the meter display unit, so that a meter display unit power supply loop is formed between the power line connecting end A and the power line connecting end B, and a positive half-wave power supply is provided for the meter display unit; the end part of the negative half-wave conduction branch of the negative-going meter representation unit of the reverse meter representation unit positioned at the positive side of the rectifier diode D is a connection end G of the reverse meter representation unit and is used for being connected with the reverse meter representation unit, so that a power supply loop of the reverse meter representation unit is formed between the connection end A of the power line and the connection end B of the power line, and a negative half-wave power supply is provided for the reverse meter representation unit.
It still includes switch driving motor detecting element: the secondary coil of the transformer is also provided with a center tap C, and the fixed meter represents that the unit connecting end F is connected with the center tap C through a counter position detection switch and a first winding L1 of the turnout driving motor; the counter represents that the unit connecting end G is connected with the center tap C through a positioning position detection switch and a second winding L2 of the turnout driving motor;
when the turnout is positioned, the counter position detection switch is opened, the positioning position detection switch is closed, so that a counter representation unit power supply loop is formed between the center tap C and the power line connecting end B, a second winding detection alternating current voltage Ucb2 is provided for the counter representation unit, the counter detection positive-connection photoelectric coupler and the light emitting diode at the input end of the counter detection counter-connection photoelectric coupler are alternately conducted under the action of an alternating current power supply, the output end of the counter detection positive-connection photoelectric coupler outputs a high-level pulse detection signal, and the counter representation unit power supply loop voltage sensor detects the position detection alternating current voltage Uab;
when the turnout is in the opposite position, the fixed position detecting switch is opened, the opposite position detecting switch is closed, so that a fixed table representing unit power supply loop is formed between the center tap C and the power line connecting end B, the fixed table representing unit is provided with a first winding detecting alternating current voltage Ucb1, the fixed table detecting positive-connection photoelectric coupler and the light emitting diode of the input end of the fixed table detecting opposite-connection photoelectric coupler are alternately conducted under the action of an alternating current power supply, the output end of the fixed table detecting positive-connection photoelectric coupler outputs a high-level pulse detecting signal, and the fixed table represents the detecting position detecting alternating current voltage Uab of the voltage sensor of the fixed table representing unit power supply loop.
The beneficial effects of adopting above-mentioned technical scheme to produce lie in:
1. the application has two different types of signal output of analog quantity and switching quantity, wherein the switching quantity output signals are divided into two, namely a high-level pulse detection signal and a low-level detection signal with opposite amplitude, which are safer than the prior method of representing by a single relay (two states of opening and closing a relay contact), and the reliability of representing two position states (in positioning or inversion) of a turnout and two fault states (whether two windings of the motor are burnt) of a turnout driving motor is improved; meanwhile, as the combination of the output signals of the switch indication controller has a unique corresponding relation with the corresponding indication result, if the fact that the combination of the output signals does not correspond to the corresponding indication result is detected, the switch indication controller is judged to have a fault, so that the switch indication controller has a self-diagnosis function, and error indication caused by the fault of the switch indication controller is avoided;
2. detecting the alternating voltage Uab through the disconnection position of the power supply control unit, checking that the indication signal becomes invalid, judging that the indication signal is output by a circuit, and not caused by external mixed lines, and effectively checking the mixed lines;
3. the analog quantity tests the AC voltage Uab detected by the track position, and can be uploaded to a maintenance system to indicate that the change of the voltage corresponds to the change of the internal circuit of the effective checking switch machine, give maintenance advice of external equipment and expand the circuit function;
4. the positioning indicating relay and the inversion indicating relay are omitted, and the two relays are large and heavy gravity type safety relays, so that the safety relay is more miniaturized and intelligent.
It has self-diagnosis function and safe and reliable operation.
Drawings
Fig. 1 is a schematic diagram of a circuit module structure of a station ground control system;
FIG. 2 is a schematic diagram of the switch indicating controller of FIG. 1;
FIG. 3 is a schematic diagram of the left half of the circuit configuration of FIG. 2;
FIG. 4 is a schematic diagram of the right half of the circuit configuration of FIG. 2;
fig. 5 is a schematic structural view of a switch driving device in a switch machine.
In the drawings: 1. a switch driving motor; 2. a first gear; 3. a second gear; 4. an input shaft; 5. an external gear; 6. a roller; 7. a snap-action claw; 8. a main shaft; 9. an action bar; 10. the first position represents a switch group; 11. a representation bar; 12. the second position represents the switch set.
The definition of a branch in the present application is each branch in a circuit that is capable of passing the same current.
Detailed Description
The application will be described in further detail with reference to the drawings and the specific embodiments.
For convenience of explanation, the station floor control system will be described in detail as an embodiment.
Standard parts used in the application can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, and the specific connection modes of the parts adopt conventional means such as mature bolts, rivets, welding, pasting and the like in the prior art, and the detailed description is omitted.
As can be seen from the embodiments shown in fig. 1 to 4, the present embodiment includes an interlocking logic operation unit and a switch control unit;
the interlocking logic operation unit is used for receiving a manual driving instruction, sending a corresponding positioning starting signal and a corresponding inversion starting signal according to the driving instruction, so as to control the switch driving device to drive the switch to a positioning position or an inversion position, enabling the locomotive to travel according to a method designated by the driving instruction, and receiving a switch position state detection signal sent by the switch indication controller so as to determine whether the switch position is correct or not and ensure driving safety;
the turnout control unit comprises a turnout driving device and a turnout representation controller;
the turnout representation controller comprises a power supply control unit, a loop guiding unit, a fixed table representation unit and a reverse table representation unit;
the power supply control unit comprises a transformer T1 and an electronic switch silicon controlled rectifier SSR1, wherein a secondary coil of the transformer is provided with a position detection voltage output end formed by a power line connection end A and a power line connection end B so as to output a position detection alternating current voltage Uab; the electronic switch is used for receiving a switch driving motor action stop signal (when the switch driving motor drives the switch to a positioning position or an opposite position, the positioning position detection switch or the opposite position detection switch is closed, namely, the closing signal of the positioning position detection switch or the opposite position detection switch is the switch driving motor action stop signal), and after the switch driving motor action stop signal is received, the output switch signal controls the primary coil of the transformer T1 to be communicated with an alternating current power supply, so that the position detection alternating current voltage Uab is output by the position detection voltage output end of the secondary coil of the transformer T1, and the position detection voltage output end supplies power to the positioning table representation unit and the opposite table representation unit through the positioning table representation unit power supply loop and the opposite table representation unit power supply loop respectively;
the loop guiding unit comprises a positive half-wave conduction branch of the fixed-table representation unit and a negative half-wave conduction branch of the inverse-table representation unit;
the positive half-wave conduction branch of the meter-determining unit consists of a rectifying diode and a meter-determining position detection switch which are connected in series, the negative half-wave conduction branch of the meter-determining unit consists of a rectifying diode and a meter-reversing position detection switch which are connected in series, and the positive half-wave conduction branch of the meter-determining unit and the negative half-wave conduction branch of the meter-determining unit share one rectifying diode D; the fixed table indicates that the forward half-wave conduction branch of the unit is sequentially connected in series by the following elements: a centering position detection switch KZ5, a centering position detection switch KZ2, the anode of the rectifier diode D, the cathode of the rectifier diode D and a centering position detection switch KZ1; the reverse table indicates that the negative half-wave conduction branch of the unit is sequentially connected in series by the following elements: a counter position detection switch KF2, a counter position detection switch KF5, a negative electrode of a rectifier diode D, a positive electrode of the rectifier diode D and a counter position detection switch KF4;
the end part of a centering position detection switch KZ5 positioned on the positive side of the rectifying diode D and the end part of a counter position detection switch KF2 positioned on the negative side of the rectifying diode D are connected together to form a common connection end E of a loop guide unit, and the common connection end E is used for being connected with a secondary coil power line connection end A of a transformer;
the end part of the meter positioning detection switch KZ1 positioned at one side of the cathode of the rectifier diode D is a meter positioning representation unit connecting end F which is used for being connected with the meter positioning representation unit, so that a meter positioning representation unit power supply loop is formed between the power line connecting end A and the power line connecting end B, when the turnout is positioned, each meter positioning detection switch is closed, the meter positioning representation unit power supply loop is in a passage state, and the connection direction of the rectifier diode enables negative half waves in the meter positioning representation unit power supply loop to be cut off, so that a positive half-wave power supply is provided for the meter positioning representation unit;
the fixed table representation unit is provided with a fixed table representation unit signal acquisition end and comprises a detection element arranged in a power supply loop of the fixed table representation unit, wherein the detection element comprises at least two of the following components: the positive-connection photoelectric coupler GO02 is detected by the fixed meter, the negative-connection photoelectric coupler GO01 is detected by the fixed meter, the fixed meter represents a unit power supply loop voltage sensor SV1 (model: LV 25-P), the light-emitting diode at the input end of the photoelectric coupler GO02 is connected between the fixed meter represents a unit connecting end F and a power line connecting end B in the positive direction, the light-emitting diode at the input end of the photoelectric coupler GO01 is connected between the fixed meter represents a unit connecting end F and the power line connecting end B in the negative direction, and R1 and R2 are current limiting resistors; the anodes of photodiodes at the output ends of the photoelectric coupler GO01 and the photoelectric coupler GO02 are connected with a power supply VCC, and the cathodes of the photodiodes of the photoelectric coupler GO01 and the photoelectric coupler GO02 are respectively grounded through voltage-taking resistors R13 and R12;
when the turnout is positioned, the meter-fixing representation unit power supply loop provides a forward half-wave power supply for the input ends of the photoelectric coupler GO01 and the photoelectric coupler GO02, the light emitting diode of the input end of the photoelectric coupler GO02 is in a forward conduction state, the output end CPU_IO_DB+ of the light emitting diode outputs a high-level pulse detection signal, and the meter-fixing detection positive connection with the output end CPU_IO_DB+ of the photoelectric coupler GO02 is a meter-fixing representation unit high-level detection output end; the light emitting diode at the input end of the photoelectric coupler GO01 is in a reverse cut-off state, the output end CPU_IO_DB-of the light emitting diode outputs a low-level detection signal, and the output end CPU_IO_DB-of the photoelectric coupler GO01 is subjected to fixed-table detection and reversely connected to the fixed-table representation unit low-level detection output end; the fixed meter represents a voltage value signal of the unit power supply loop voltage sensor SV1 for detecting the alternating voltage Uab, the output end CPU_AD_DE of the fixed meter represents a unit high level detection output end, and the fixed meter represents a unit low level detection output end and the fixed meter represents a unit power supply loop voltage sensor SV1 output end to form a fixed meter represents a unit signal acquisition end;
the end part of the counter position detection switch KF4 positioned at the positive side of the rectifying diode D is a counter representation unit connection end G and is used for being connected with a counter representation unit, so that a counter representation unit power supply loop is formed between the power line connection end A and the power line connection end B, when the turnout is in a counter position, each counter position detection switch is closed, the counter representation unit power supply loop is in a passage state, and the connection direction of the rectifying diode D enables positive half waves in the counter representation unit power supply loop to be cut off so as to provide negative half wave power supply for the counter representation unit;
the inverse table representation unit is provided with an inverse table representation unit signal acquisition end and comprises detection elements arranged in a power supply loop of the inverse table representation unit, wherein the detection elements comprise at least two of the following components: the anti-meter detection is connected with the photoelectric coupler GO03 in the forward direction, the anti-meter detection is connected with the photoelectric coupler GO04 in the reverse direction and the anti-meter representation unit power supply loop voltage sensor SV2 (model: LV 25-P), the light emitting diode at the input end of the photoelectric coupler GO04 is connected between the anti-meter representation unit connection end G and the power line connection end B in the forward direction, the light emitting diode at the input end of the photoelectric coupler GO03 is connected between the anti-meter representation unit connection end G and the power line connection end B in the reverse direction, and R3 and R4 are current limiting resistors; the anodes of the photodiodes at the output ends of the photoelectric coupler GO03 and the photoelectric coupler GO04 are connected with a power supply VCC, and the cathodes of the photodiodes at the photoelectric coupler GO03 and the photoelectric coupler GO04 are respectively grounded through voltage-taking resistors R14 and R15;
when the turnout is in the reversed position, the reversed-table representation unit power supply loop provides a negative half-wave power supply for the input ends of the photoelectric coupler GO03 and the photoelectric coupler GO04, the light emitting diode of the input end of the photoelectric coupler GO04 is in a positive conducting state, the output end CPU_IO_FB-of the photoelectric coupler GO04 outputs a high-level pulse detection signal, and the reversed-table detection positive-connection output end CPU_IO_FB-of the photoelectric coupler GO04 is a reversed-table representation unit high-level detection output end; the light emitting diode at the input end of the photoelectric coupler GO03 is in a reverse cut-off state, the output end CPU_IO_FB+ of the light emitting diode outputs a low-level detection signal, and the inverse table detection is reversely connected with the output end CPU_IO_FB+ of the photoelectric coupler GO03 to form an inverse table representation unit low-level detection output end; the inverse table indicates that the unit power supply loop voltage sensor SV2 detects a voltage value signal of the alternating current voltage Uab, the output end CPU_AD_FB of the voltage value signal is output, the inverse table indicates that the unit high level detection output end, and the inverse table indicates that the unit low level detection output end and the inverse table indicates that the unit power supply loop voltage sensor SV2 output end form an inverse table indicates that the unit signal acquisition end;
it still includes switch driving motor detecting element: the secondary coil of the transformer is also provided with a center tap C, and the fixed meter represents that the unit connecting end F is connected with the center tap C through a counter position detection switch KF1 and a first winding L1 of the turnout driving motor; the counter represents that the unit connecting end G is connected with the center tap C through the positioning position detection switch KZ4 and the second winding L2 of the turnout driving motor;
when the turnout is positioned, the counter position detection switch KF1 is opened, the fixed position detection switch KZ4 is closed, so that a counter representation unit power supply loop is formed between the center tap C and the power line connecting end B, a second winding detection alternating current voltage Ucb2 is provided for the counter representation unit, the light emitting diodes of the input ends of the counter detection positive photoelectric coupler GO03 and the counter detection counter photoelectric coupler GO04 are alternately conducted under the action of an alternating current power supply, and the output ends CPU_IO_FB+ of the photoelectric coupler GO03 and the output ends CPU_IO_FB-of the photoelectric coupler GO04 alternately output high-level pulse detection signals, namely, the counter representation unit high-level detection output ends and the counter representation unit low-level detection output ends alternately output high-level pulse detection signals; the inverse table indicates that the unit power supply loop voltage sensor SV2 detects the position detection ac voltage Uab and is output by the output terminal cpu_ad_fb thereof, that is, the inverse table indicates that the output terminal of the unit power supply loop voltage sensor SV2 outputs an ac voltage value detection signal of the ac voltage Uab;
when the turnout is in the opposite position, the fixed position detecting switch KZ4 is opened, the opposite position detecting switch KF1 is closed, so that a fixed table representing unit power supply loop is formed between the center tap C and the power line connecting end B, the fixed table representing unit is provided with a first winding detecting alternating current voltage Ucb1, the light emitting diodes at the input ends of the photoelectric coupler GO01 and the photoelectric coupler GO02 are alternately conducted under the action of an alternating current power supply, and the output ends CPU_IO_DB of the photoelectric coupler GO01 and the output end CPU_IO_DB+ of the photoelectric coupler GO02 alternately output high-level pulse detecting signals, namely, the fixed table representing unit high-level detecting output end and the fixed table representing unit low-level detecting output end alternately output high-level pulse detecting signals; the fixed table indicates that the unit power supply loop voltage sensor SV1 detects the position detection alternating current voltage Uab and outputs the position detection alternating current voltage Uab through the output end CPU_AD_DE of the position detection alternating current voltage Uab, namely, the fixed table indicates that the output end of the unit power supply loop voltage sensor SV1 outputs an alternating current voltage value detection signal of the alternating current voltage Uab;
the interlocking logic operation unit receives signals sent by the signal acquisition end of the fixed table representation unit and the signal acquisition end of the inverse table representation unit and the action stop signal of the switch driving motor to determine whether the switch is in a normal state or an inverse state, whether the first winding L1 of the switch driving motor and the second winding L2 of the switch driving motor are normal or not and whether the switch representation controller is in a normal working state or not.
The control method of the switch indication controller comprises the following steps:
a. circularly collecting output signals of the switch driving motor action stop signal, the fixed-table representation unit signal collecting end and the inverse-table representation unit signal collecting end;
b. generating corresponding state information and alarm information according to the following logic relation according to the signal acquisition result:
the method comprises the steps that a turnout driving motor action stop signal is not collected, but a fixed table representation unit signal collection end and/or an inverse table representation unit signal collection end are/is collected to have a voltage output signal, a judgment result is that the voltage output signal is invalid, an interference crosstalk alarm signal is sent, and an interference signal string-in turnout representation controller is prompted to cause abnormal work;
the method comprises the steps of collecting a switch driving motor action stop signal, enabling a collected fixed-table representation unit signal collecting end and a reverse-table representation unit signal collecting end to output effective signals, and generating corresponding state information or alarm information according to the collected effective signal collecting result and the following logic relation:
the fixed table indicates that the high level detection output end of the unit outputs a high level pulse detection signal, the fixed table indicates that the low level detection output end of the unit outputs a low level detection signal, the fixed table indicates that the voltage value signal of the alternating current voltage Uab is detected at the output position of the voltage sensor of the power supply loop of the unit, the switch is positioned according to the judgment result, a switch positioning indication signal is sent, and the fixed table indicates that the unit of the switch indication controller works normally;
when the judging result is that the turnout is positioned, the high-level detection output end of the counter-table indicating unit and the low-level detection output end of the counter-table indicating unit both output high-level pulse detection signals, the counter-table indicating unit power supply loop voltage sensor outputs an alternating voltage value signal of the position detection alternating voltage Uab, and the turnout driving motor second winding L2 is judged to be normal, and the turnout indicating controller works normally;
when the judging result is that the turnout is positioned, the inverse table of the signal acquisition end of the inverse table representation unit indicates that the high level detection output end of the unit and the low level detection output end of the inverse table representation unit have no signal output, and the second winding L2 of the turnout driving motor is judged to be in an open circuit state; sending out a switch driving motor second winding L2 open-circuit alarm signal;
the inverse table indicates that the high level detection output end of the unit outputs a high level pulse detection signal, the inverse table indicates that the low level detection output end of the unit outputs a low level detection signal, the inverse table indicates that the voltage value signal of the alternating current voltage Uab is detected at the output position of the voltage sensor of the power supply loop of the unit, the turnout is in an inverse position according to the judgment result, a turnout inverse position indication signal is sent, and the inverse table indicates that the unit of the turnout indication controller works normally;
when the judging result is that the turnout is in the reversed position, the high-level detection output end of the fixed table indicating unit and the low-level detection output end of the fixed table indicating unit both output high-level pulse detection signals, the fixed table indicating unit power supply loop voltage sensor outputs an alternating voltage value signal of the position detection alternating voltage Uab, and the turnout driving motor is judged to be normal in the first winding L1, and the turnout indicating controller works normally;
when the judging result is that the turnout is in the inversion position, the fixed table representing unit of the fixed table representing unit signal acquisition end detects the output end and fixed table representing unit low level and detects the output end and has no signal output, judge that the first winding L1 of the turnout driving motor is in the open circuit state; sending out a switch driving motor first winding L1 open-circuit alarm signal;
and when the collected effective signals are inconsistent with the signals when the turnout is positioned, the second winding L2 of the turnout driving motor is normal, the turnout is reversed, and the first winding L1 of the turnout driving motor is normal, sending out a fault alarm signal of the turnout indicating controller to prompt the turnout indicating controller to fail.
The working principle of a switch driving device (prior art) in a switch machine is introduced:
referring to fig. 5, the switch driving motor 1 rotates to drive the first gear 2 and the second gear 3 to rotate, the linkage input shaft 4 rotates, the rotation of the input shaft 4 drives the external gear 5 to rotate, and the linkage actuating rod 9 horizontally stretches and contracts through the main shaft 8 to drive the external switch core rail to act. Simultaneously, the main shaft 8 drives the roller 6 and the quick-action claw 7 to act. The quick-action claw 7 is connected with the indicating rod 11, the first position indicating switch group 10 and the second position indicating switch group 12; when the switch core rail moves to the position, the indicating rod 11 drives the quick-action claw 7 to be linked with the first position indicating switch group 10 and the second position indicating switch group 12. When the switch is in the position, the first position indicates that the switch group 10 and the second position indicates that the KZ1 KZ2 KZ3KZ4 KZ5 KZ6 switch in the switch group 12 is closed; the KF1 KF2 KF3 KF4 KF5 KF6 switch is opened; when the switch is moved from the positioning action to the reversing action, the first position represents switch group 10 and the second position represents switch group 12 in which the KZ1 KZ2 KZ3KZ4 KZ5 KZ6 switch is opened; KF1 KF2 KF3 KF4 KF5 KF6 switch is closed; the first position indicating switch group 10 and the second position indicating switch group 12 are opened and closed, and the switch position is indirectly reflected by a series of linkage mechanisms such as an indicating rod 11.
Claims (3)
1. A station ground control system uses the switch to represent the controller, characterized by that: the device comprises a power supply control unit, a loop guiding unit, a fixed table representing unit and a reverse table representing unit;
the power supply control unit comprises a transformer and an electronic switch, wherein a secondary coil of the transformer is provided with a position detection voltage output end formed by a power line connecting end A and a power line connecting end B so as to output a position detection alternating current voltage Uab; the electronic switch is used for receiving the action stop signal of the turnout driving motor, generating a switching value control signal after receiving the signal, and controlling the output position of the transformer to detect the alternating current voltage Uab; the position detection voltage output end supplies power to the fixed table representation unit and the inverse table representation unit through the fixed table representation unit power supply loop and the inverse table representation unit power supply loop respectively;
the loop guiding unit comprises a positive half-wave conduction branch of the fixed-table representation unit and a negative half-wave conduction branch of the inverse-table representation unit;
the meter-fixing representation unit positive half-wave conduction branch is mainly formed by connecting a rectifier diode and at least one meter-fixing position detection switch in series, the meter-fixing representation unit positive half-wave conduction branch is connected in series in a meter-fixing representation unit power supply loop, when the turnout is positioned, the meter-fixing position detection switch is closed, the meter-fixing representation unit power supply loop is in a passage state, and the connection direction of the rectifier diode enables negative half waves in the meter-fixing representation unit power supply loop to be cut off so as to provide positive half-wave power for the meter-fixing representation unit;
the reverse meter representation unit negative half-wave conduction branch is mainly formed by connecting a rectifier diode and at least one reverse meter position detection switch in series, the reverse meter representation unit negative half-wave conduction branch is connected in series in a reverse meter representation unit power supply loop, when the turnout is in a reverse position, the reverse meter position detection switch is closed, the reverse meter representation unit power supply loop is in a passage state, and the connection direction of the rectifier diode enables a positive half-wave in the reverse meter representation unit power supply loop to be cut off so as to provide a negative half-wave power supply for the reverse meter representation unit;
the fixed table representation unit is provided with a fixed table representation unit signal acquisition end and comprises detection elements arranged in a power supply loop of the fixed table representation unit, and the detection elements comprise at least two of the following components: the meter-fixing detection positive-connection photoelectric coupler is connected in the meter-fixing representation unit power supply loop in a positive mode, so that a light emitting diode at the input end of the meter-fixing detection positive-connection photoelectric coupler is in a conducting state, the meter-fixing representation unit power supply loop is controlled by a positive half-wave power supply to enable the output end of the meter-fixing detection positive-connection photoelectric coupler to output a high-level pulse detection signal, and the output end of the meter-fixing detection positive-connection photoelectric coupler is a meter-fixing representation unit high-level detection output end; the fixed meter detection reverse connection photoelectric coupler is reversely connected in the fixed meter representation unit power supply loop so that the light emitting diode at the input end of the fixed meter representation unit power supply loop is in a cut-off state, the output end of the fixed meter detection reverse connection photoelectric coupler outputs a low-level detection signal, and the output end of the fixed meter detection reverse connection photoelectric coupler is the fixed meter representation unit low-level detection output end; the fixed meter representation unit power supply loop voltage sensor is used for detecting a voltage value signal of position detection alternating current voltage Uab in the fixed meter representation unit power supply loop, the fixed meter representation unit high level detection output end, and the fixed meter representation unit low level detection output end and the fixed meter representation unit power supply loop voltage sensor output end form a fixed meter representation unit signal acquisition end;
the inverse table representation unit is provided with an inverse table representation unit signal acquisition end and comprises detection elements arranged in a power supply loop of the inverse table representation unit, and the detection elements comprise at least two of the following components: the device comprises a reverse meter detection positive-connection photoelectric coupler, a reverse meter detection reverse-connection photoelectric coupler and a reverse meter representation unit power supply loop voltage sensor, wherein the reverse meter detection positive-connection photoelectric coupler is positively connected in the reverse meter representation unit power supply loop so that a light emitting diode at the input end of the reverse meter detection positive-connection photoelectric coupler is in a conducting state and is controlled by a reverse meter representation unit power supply loop negative-direction half-wave power supply, and the output end of the reverse meter detection positive-connection photoelectric coupler outputs a high-level pulse detection signal; the output end of the inverse meter detection positive-connection photoelectric coupler is an inverse meter representation unit high-level detection output end; the inverse meter detection inverse connection photoelectric coupler is inversely connected in the inverse meter representation unit power supply loop so that the light emitting diode at the input end of the inverse meter representation unit power supply loop is in a cut-off state, the output end of the inverse meter detection inverse connection photoelectric coupler outputs a low level detection signal, and the output end of the inverse meter detection inverse connection photoelectric coupler is an inverse meter representation unit low level detection output end; the inverse table representation unit power supply loop voltage sensor is used for detecting voltage value signals of position detection alternating current voltage Uab in the inverse table representation unit power supply loop, the inverse table representation unit high level detection output end, and the inverse table representation unit low level detection output end and the inverse table representation unit power supply loop voltage sensor output end form an inverse table representation unit signal acquisition end.
2. A station floor control system as defined in claim 1, wherein the switch means comprises: in the loop guiding unit, the positive half-wave conduction branch of the fixed meter representation unit and the negative half-wave conduction branch of the inverse meter representation unit share a rectifying diode D; the rectifying diode D is connected with at least one epitope detecting switch in series to form a positive half-wave conduction branch of the epitope representing unit, and the rectifying diode D is connected with at least one counter epitope detecting switch in series to form a negative half-wave conduction branch of the counter representing unit; the end part of the positive half-wave conduction branch of the meter-setting representation unit positioned at the positive side of the rectifier diode D and the end part of the negative half-wave conduction branch of the meter-reversing representation unit positioned at the negative side of the rectifier diode D are connected together to form a common connection end E of the loop guide unit, and the common connection end E is used for being connected with the power line connection end A of the transformer so as to form the common connection ends of the meter-setting representation unit power supply loop and the meter-reversing representation unit power supply loop; the end part of the positive half-wave conduction branch of the fixed meter representation unit positioned at one side of the cathode of the rectifier diode D is a fixed meter representation unit connecting end F which is used for being connected with the fixed meter representation unit, so that a fixed meter representation unit power supply loop is formed between the power line connecting end A and the power line connecting end B, and a positive half-wave power supply is provided for the fixed meter representation unit; the end part of the negative half-wave conduction branch of the negative-going meter representation unit, which is positioned at the positive side of the rectifier diode D, is a negative-going meter representation unit connecting end G and is used for being connected with the negative-going meter representation unit, so that a negative-going meter representation unit power supply loop is formed between the power line connecting end A and the power line connecting end B, and a negative-going half-wave power supply is provided for the negative-going meter representation unit.
3. A station floor control system according to claim 1 or 2, characterized by a switch indication controller: it still includes switch driving motor detecting element: the secondary coil of the transformer is also provided with a center tap C, and the fixed meter representation unit connecting end F is connected with the center tap C through the counter position detection switch and the first winding L1 of the turnout driving motor; the counter represents that the unit connecting end G is connected with the center tap C through the positioning detection switch and the second winding L2 of the turnout driving motor;
when the turnout is positioned, the counter position detection switch is opened, the centering position detection switch is closed, so that a counter representation unit power supply loop is formed between the center tap C and the power line connecting end B, a second winding detection alternating current voltage Ucb2 is provided for the counter representation unit, the counter detection positive-connection photoelectric coupler and the light emitting diode at the input end of the counter detection counter-connection photoelectric coupler are alternately conducted under the action of an alternating current power supply, a high-level pulse detection signal is output at the output end of the counter detection positive-connection photoelectric coupler, and the counter representation unit power supply loop voltage sensor detects the position detection alternating current voltage Uab;
when the turnout is in the opposite position, the position-determining position detection switch is opened, the position-determining position detection switch is closed, so that a position-determining table representation unit power supply loop is formed between the center tap C and the power line connecting end B, a first winding detection alternating current voltage Ucb1 is provided for the position-determining table representation unit, the light emitting diode of the input end of the position-determining table detection positive-connection photoelectric coupler and the input end of the position-determining table detection opposite-connection photoelectric coupler are alternately conducted under the action of an alternating current power supply, the output end of the light emitting diode outputs a high-level pulse detection signal, and the position-determining table representation unit power supply loop voltage sensor detects the position detection alternating current voltage Uab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210830717.3A CN115140119B (en) | 2022-07-15 | 2022-07-15 | Switch indication controller for station ground control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210830717.3A CN115140119B (en) | 2022-07-15 | 2022-07-15 | Switch indication controller for station ground control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115140119A CN115140119A (en) | 2022-10-04 |
| CN115140119B true CN115140119B (en) | 2023-12-01 |
Family
ID=83412146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210830717.3A Active CN115140119B (en) | 2022-07-15 | 2022-07-15 | Switch indication controller for station ground control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115140119B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2657101A1 (en) * | 2012-04-25 | 2013-10-30 | Siemens Schweiz AG | Points adjustment device with improved friction characteristics and/or improved wear resistance |
| CN103587553A (en) * | 2013-10-17 | 2014-02-19 | 上海亨钧科技有限公司 | Hydraulic turnout junction control and representation system |
| CN105799735A (en) * | 2016-05-19 | 2016-07-27 | 北京全路通信信号研究设计院集团有限公司 | Track circuit transmitter and fault guiding safety implementation method |
| CN107891884A (en) * | 2017-09-20 | 2018-04-10 | 浙江众合科技股份有限公司 | All-electronin switch location detection means |
| CN113581249A (en) * | 2021-07-15 | 2021-11-02 | 中国铁道科学研究院集团有限公司通信信号研究所 | Turnout point machine position 'failure-safety' indicating device and method based on displacement sensor group |
| EP4008605A1 (en) * | 2020-12-04 | 2022-06-08 | Siemens Mobility GmbH | Method and device for diagnosing a railroad switch with a point machine |
-
2022
- 2022-07-15 CN CN202210830717.3A patent/CN115140119B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2657101A1 (en) * | 2012-04-25 | 2013-10-30 | Siemens Schweiz AG | Points adjustment device with improved friction characteristics and/or improved wear resistance |
| CN103587553A (en) * | 2013-10-17 | 2014-02-19 | 上海亨钧科技有限公司 | Hydraulic turnout junction control and representation system |
| CN105799735A (en) * | 2016-05-19 | 2016-07-27 | 北京全路通信信号研究设计院集团有限公司 | Track circuit transmitter and fault guiding safety implementation method |
| CN107891884A (en) * | 2017-09-20 | 2018-04-10 | 浙江众合科技股份有限公司 | All-electronin switch location detection means |
| EP4008605A1 (en) * | 2020-12-04 | 2022-06-08 | Siemens Mobility GmbH | Method and device for diagnosing a railroad switch with a point machine |
| CN113581249A (en) * | 2021-07-15 | 2021-11-02 | 中国铁道科学研究院集团有限公司通信信号研究所 | Turnout point machine position 'failure-safety' indicating device and method based on displacement sensor group |
Non-Patent Citations (1)
| Title |
|---|
| 曾科智."远距离三相交流道岔表示故障解决方案探讨".《铁路通信信号工程技术(RSCE)》.2022,第19卷(第6期),全文. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115140119A (en) | 2022-10-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101428635B (en) | Electronic apparatus and method for controlling three phase current point switch | |
| US7296770B2 (en) | Electronic vital relay | |
| CN111409668A (en) | Switch control system | |
| CN201511982U (en) | Interlocked switch execution unit circuit of all electronic computer | |
| CN101793938A (en) | On-line detection device and detection method for open-circuit fault of power tubes of inverter | |
| CN103587553A (en) | Hydraulic turnout junction control and representation system | |
| CN107891884A (en) | All-electronin switch location detection means | |
| CN110949446B (en) | Control circuit and method for electronic turnout | |
| CN105151179A (en) | Fault diagnosing and repairing system for electric bicycle | |
| CN112606869A (en) | Point switch control device | |
| CN109981006A (en) | Safe driving method and driving module of node-free direct current switch machine | |
| CN115140119B (en) | Switch indication controller for station ground control system | |
| CN115158397B (en) | Station ground control system and turnout indication controller control method | |
| CN201354082Y (en) | Device for controlling three-phase alternating current switching machine | |
| CN205469115U (en) | Point switch control system | |
| CN103669252A (en) | Automatic gate | |
| CN107431449A (en) | Control device of electric motor | |
| CN210866029U (en) | Isolator position detection device based on vision | |
| CN108628222A (en) | Radar Servo dual-computer redundancy handover control system | |
| CN216791145U (en) | Detection apparatus for goat power contact conversion trouble | |
| KR20020088090A (en) | Electronic control automatic block system | |
| CN101654986B (en) | Automatic deviation checking device and method for telescopic doors | |
| CN210243148U (en) | Control device for durability test of electromagnetic brake | |
| CN106783363A (en) | A kind of high breaking ammeter external breaker control system | |
| TWI842407B (en) | Railway turnout control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240111 Address after: 100000 2 Haidian District, Beijing. Patentee after: CHINA ACADEMY OF RAILWAY SCIENCES Corp.,Ltd. Patentee after: SIGNAL & COMMUNICATION Research Institute CARS Patentee after: BEIJING HUATIE INFORMATION TECHNOLOGY Co.,Ltd. Patentee after: BEIJING RUICHI NATIONAL RAILWAY INTELLIGENT TRANSPORT SYSTEM ENGINEERING TECHNOLOGY Co.,Ltd. Patentee after: Tieke Huatie Jingwei (Tianjin) Information Technology Co.,Ltd. Address before: 100000 2 Haidian District, Beijing. Patentee before: CHINA ACADEMY OF RAILWAY SCIENCES Corp.,Ltd. Patentee before: SIGNAL & COMMUNICATION Research Institute CARS Patentee before: BEIJING HUATIE INFORMATION TECHNOLOGY Co.,Ltd. Patentee before: BEIJING RUICHI NATIONAL RAILWAY INTELLIGENT TRANSPORT SYSTEM ENGINEERING TECHNOLOGY Co.,Ltd. |