CN216374558U - Multifunctional self-checking device for rail transit signal machine - Google Patents
Multifunctional self-checking device for rail transit signal machine Download PDFInfo
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Abstract
The utility model discloses a self-checking device of a multifunctional rail transit annunciator, which relates to the technical field of rail transit equipment, and adopts the technical scheme that: the device comprises a first photoelectric sensor, a second photoelectric sensor, a comparator and a controller; the first photoelectric sensor and the second photoelectric sensor are respectively arranged at the corresponding positions of a first signal lamp and a second signal lamp on the annunciator main body, and the first photoelectric sensor and the second photoelectric sensor are respectively connected with the corresponding first signal lamp and the second signal lamp in parallel; the signal input ends of the first photoelectric sensor and the second photoelectric sensor are connected with the in-phase input end of the comparator, the reference end of the comparator is connected with the output end of the controller, and the output end of the comparator is connected with the input end of the controller; and when the controller does not receive the high level signal within the set time, the controller outputs a fault signal. The utility model can realize the self-checking operation of the rail traffic signal machine under the fault condition of various conditions, and the whole detection process has high efficiency and strong timeliness.
Description
Technical Field
The utility model relates to the technical field of rail transit equipment, in particular to a multifunctional rail transit signal machine self-checking device.
Background
The signal machine is a railway side basic device of railway and urban rail transit, and the railway signal system takes a ground signal as a main signal, and the vehicle runs according to the display of the signal machine; the urban rail transit takes a vehicle-mounted signal as a main signal, a signal machine is not arranged in a main line section basically, and a ground signal machine is arranged only in a turnout section for the requirement of shunting operation.
At present, the control of a signal generally controls the on-off of a signal lamp by controlling the connection state of a change-over switch, and a red lamp, a green lamp and a yellow lamp can be arranged under general conditions. For example, a green light: the train is allowed to pass through the station through the main line at a specified speed, the out-stop and in-route signal machines are in an open state, and all turnouts on the in-route are opened to straight positions. A yellow light: indicating that the train is permitted to pass through the switch straight position and enter the station on the straight line ready for stopping. A red light: a train is not allowed to cross the signal. The normal work of the signal machine is basic equipment for guaranteeing the safe operation of the rail transit, so that the daily detection of the rail transit signal machine is very necessary. Most of the current areas still adopt the traditional manual detection, and the problems of large workload, poor detection timeliness, low efficiency and the like exist.
Therefore, how to research and design a multifunctional self-checking device for a rail traffic signal machine, which can overcome the defects, is a problem which is urgently needed to be solved at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a multifunctional rail traffic signal machine self-checking device which can realize the self-checking operation of a rail traffic signal machine under the condition of various faults and has high efficiency and timeliness in the whole detection process.
The technical purpose of the utility model is realized by the following technical scheme: a multifunctional rail transit annunciator self-checking device comprises an annunciator main body, a control change-over switch, a first signal lamp and a second signal lamp which are arranged in parallel, a first photoelectric sensor, a second photoelectric sensor, a comparator and a controller, wherein the first signal lamp and the second signal lamp are respectively connected with two output side contacts of the control change-over switch;
the first photoelectric sensor and the second photoelectric sensor are respectively arranged at the corresponding positions of a first signal lamp and a second signal lamp on the annunciator main body, and the first photoelectric sensor and the second photoelectric sensor are respectively connected with the corresponding first signal lamp and the second signal lamp in parallel;
the signal input ends of the first photoelectric sensor and the second photoelectric sensor are connected with the in-phase input end of the comparator, the reference end of the comparator is connected with the output end of the controller, and the output end of the comparator is connected with the input end of the controller;
when the first signal lamp or the second signal lamp is started, the controller does not receive the high-level signal within the set time, and then the controller outputs a fault signal.
By adopting the technical scheme, after the signal lamp on a certain line is electrified and started, the photoelectric sensor connected in parallel on the corresponding line carries out photosensitive detection on the corresponding signal lamp; meanwhile, the photoelectric sensor inputs the detected photoelectric signal into the non-inverting input end of the value comparator, if the output end of the comparator outputs a high-level signal, the corresponding photoelectric sensor detects that the corresponding signal lamp is electrified and started, and the controller is in a silent state; otherwise, the corresponding photoelectric sensor does not detect that the corresponding signal lamp is electrified and started, and the conditions of signal lamp open circuit, short circuit, photoelectric sensor fault and the like may exist, and the controller outputs a fault signal.
The utility model is further configured to: the control change-over switch is a single-pole double-throw switch or a relay switch.
By adopting the technical scheme, the electromagnetic relay switch not only can be suitable for the traditional electromagnetic relay switch in a track circuit, but also can be suitable for the relay switch with quick signal response in an intelligent system.
The utility model is further configured to: the signal machine main part is equipped with the signal interface ware, signal interface ware and controller electric connection.
By adopting the technical scheme, the signal interface device can be connected with an upper computer, response equipment and the like through the electric lead, and stable and reliable output of fault signals is effectively ensured.
The utility model is further configured to: the annunciator main body is provided with an alarm, and the alarm is electrically connected with the output end of the controller.
By adopting the technical scheme, the alarm can respond to and start to warn the coming vehicle or people in time after responding to the fault signal output by the controller.
The utility model is further configured to: the alarm is a fault lamp or a buzzer.
Through adopting above-mentioned technical scheme, adopt different warning modes can be applicable to different application environment, and the variety is stronger.
The utility model is further configured to: the input sides of the branches where the first signal lamp and the second signal lamp are located are respectively connected with a first relay and a second relay in series;
the output end of the first relay is connected with the feedback end of the controller through a normally open contact switch KM1-1 of the first relay;
the output end of the second relay is connected with the feedback end of the controller through a normally open contact switch KM2-1 of the second relay.
Through adopting above-mentioned technical scheme, after the signal lamp circular telegram was started, the relay on the corresponding circuit got electric for the normally open contact switch that corresponds closes, can in time transmit the signal lamp switching signal to the controller, makes things convenient for the controller to accurately output the fault condition of specific circuit according to the feedback signal of relay, has realized the accurate positioning of trouble self-checking.
The utility model is further configured to: the device also comprises a switch component and a register component;
the switch assembly comprises a normally open switch S1, a normally closed switch S2 and a normally open switch S3;
the register component comprises a register A, a register B and a register C;
the register A is connected with the controller through a normally open switch S1, and the controller responds to a feedback signal of the second relay and then controls the normally closed switch S2 to be switched off and the normally open switch S1 to be switched on;
the register B is connected with the controller through a normally closed switch S2;
the register C is connected with the controller through a normally open switch S3, and the controller responds to a feedback signal of the first relay and then controls the normally closed switch S2 to be opened and the normally open switch S3 to be closed.
By adopting the technical scheme, after the controller receives the feedback signal transmitted by the relay, the controller controls the corresponding switch in the switch assembly to be started, the controller can adjust the instruction stored in the corresponding register, and when the high-level signal is not received, the instruction stored in the corresponding register can be output as a fault signal without logical operation of the controller.
The utility model is further configured to: the register A stores a first instruction which represents the fault of a second signal lamp;
the register B stores a second instruction for indicating the line fault of the control change-over switch;
the register C stores a third instruction indicating a first signal lamp failure.
By adopting the technical scheme, the faults existing on the first signal lamp and the second signal lamp can be realized, and the faults of the control change-over switch and the trunk circuit on the input side of the control change-over switch can be detected.
The utility model is further configured to: the annunciator main body comprises a mounting base and a supporting column, and the supporting column is movably connected with the mounting base;
the first signal lamp and the second signal lamp are arranged on the display front side of the support column;
a first display area is arranged on one side surface of the support column adjacent to the front display surface;
a second display area is arranged on the other side surface of the support column, which is adjacent to the display front surface;
a servo motor connected with the output end of the controller is arranged in the mounting base, and an output shaft of the servo motor is fixedly connected with the support column;
when the servo motor responds to a storage instruction called from the register A by the controller, the servo motor drives the support column to rotate forwards;
when the servo motor responds to the storage command called by the controller from the register C, the servo motor drives the support column to rotate reversely.
Through adopting above-mentioned technical scheme, when there is the trouble and can't normally work in the signal lamp, servo motor drive support column does corresponding rotation back, enables the display area that sets up in advance and temporarily replaces the signal lamp work, has effectively ensured the normal operating of signal machine.
The utility model is further configured to: the first display area is an area with the same display color as the first signal lamp after being started, and the second display area is an area with the same display color as the second signal lamp after being started.
Through adopting above-mentioned technical scheme, when the semaphore broke down, can turn into the substitution operation mode by oneself under the condition that does not influence the display effect.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the self-checking device of the multifunctional rail traffic signal machine, when a signal lamp on a certain line is electrified and started, the photoelectric sensor connected in parallel on the corresponding line carries out photosensitive detection on the corresponding signal lamp; meanwhile, the photoelectric sensor inputs the detected photoelectric signal into the non-inverting input end of the value comparator, if the output end of the comparator outputs a high-level signal, the corresponding photoelectric sensor detects that the corresponding signal lamp is electrified and started, and the controller is in a silent state; otherwise, the corresponding photoelectric sensor does not detect that the corresponding signal lamp is electrified and started, and the conditions of signal lamp open circuit, short circuit, photoelectric sensor fault and the like may exist, and the controller outputs a fault signal;
2. after the signal lamps are electrified and started, the relays on the corresponding lines are electrified, so that the corresponding normally open contact switches are closed, signal lamp switching signals can be transmitted to the controller in time, the controller can conveniently and accurately output the fault condition of the specific lines according to the feedback signals of the relays, and the accurate positioning of fault self-detection is realized;
3. after the controller receives the feedback signal transmitted by the relay, the controller controls the corresponding switch in the switch assembly to be started, the controller can fetch the instruction stored in the corresponding register, and when the high-level signal is not received, the instruction stored in the corresponding register can be output as a fault signal without logic operation of the controller;
4. when the signal lamp fails to work normally, the servo motor drives the supporting column to rotate correspondingly, the preset display area can temporarily replace the signal lamp to work, and normal operation of the signal lamp is effectively guaranteed.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the principles of the utility model. In the drawings:
FIG. 1 is a schematic diagram of operation in an embodiment of the present invention;
fig. 2 is a schematic view of a traffic signal main body according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of another view of the traffic signal main body in the embodiment of the present invention.
Reference numbers and corresponding part names in the drawings:
101. mounting a base; 102. a servo motor; 103. a support pillar; 104. a first signal lamp; 105. a second signal lamp; 106. a first display area; 107. a second display area.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the utility model.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Example (b): the multifunctional rail traffic signal machine self-checking device is described by taking the arrangement of two signal lamps as an example as shown in fig. 1 and 2, and comprises a signal machine main body, a control change-over switch (S0), a first signal lamp 104(L1) and a second signal lamp 105(L2) which are arranged in parallel, a first photoelectric sensor (GD1), a second photoelectric sensor (GD2), a comparator (U) and a controller, wherein the first signal lamp 104 and the second signal lamp 105 are respectively connected with two output side contacts of the control change-over switch. The first photoelectric sensor and the second photoelectric sensor are respectively arranged at the corresponding positions of the first signal lamp 104 and the second signal lamp 105 on the signal machine main body, and the first photoelectric sensor and the second photoelectric sensor are respectively connected with the corresponding first signal lamp 104 and the corresponding second signal lamp 105 in parallel. The signal input ends of the first photoelectric sensor and the second photoelectric sensor are connected with the in-phase input end of the comparator, the reference end of the comparator is connected with the output end of the controller, and the output end of the comparator is connected with the input end of the controller. When the controller does not receive the high-level signal within a set time after the first signal lamp 104 or the second signal lamp 105 is started, the controller outputs a fault signal.
Taking the first signal lamp 104 as an example, when the first signal lamp 104 on the line is powered on, the first photoelectric sensor connected in parallel performs photosensitive detection on the first signal lamp 104; meanwhile, the first photoelectric sensor inputs the detected photoelectric signal into the non-inverting input end of the value comparator, if the output end of the comparator outputs a high-level signal, the corresponding first photoelectric sensor detects that the first signal lamp 104 is electrified and started, and the controller is in a silent state; otherwise, it indicates that the first photo sensor does not detect that the first signal lamp 104 is powered on and started, and there may be a situation that the first signal lamp 104 has an open circuit, a short circuit, and a failure of the first photo sensor, and the controller outputs a failure signal.
In this embodiment, a change-over switch, a single-pole double-throw switch or a relay switch is controlled. The electromagnetic relay switch not only can be suitable for a traditional electromagnetic relay switch in a track circuit, but also can be suitable for a relay switch with quick signal response in an intelligent system.
In this embodiment, the signal device body is provided with a signal interface device, and the signal interface device is electrically connected to the controller. The signal interface device can be connected with an upper computer, response equipment and the like through electric wires, and stable and reliable output of fault signals is effectively guaranteed.
The annunciator main body is provided with an alarm which is electrically connected with the output end of the controller. After the alarm responds to the fault signal output by the controller, the alarm can respond to and start to warn the coming vehicle or people in time.
In this embodiment, the alarm is a fault lamp or a buzzer. Adopt different warning modes can be applicable to different application environment, and the variety is stronger.
As shown in fig. 1, a first relay (KM1) and a second relay (KM2) are respectively connected in series to the input sides of the branches where the first signal lamp 104 and the second signal lamp 105 are located; the output end of the first relay is connected with the feedback end of the controller through a normally open contact switch KM1-1 of the first relay; the output end of the second relay is connected with the feedback end of the controller through a normally open contact switch KM2-1 of the second relay. Taking the first signal lamp 104 as an example, after the first signal lamp 104 is powered on and started, the first relay is powered on, so that the normally open contact switch KM2-1 is turned off, the signal lamp switching signal can be transmitted to the controller in time, the controller can conveniently output the fault condition of a specific line accurately according to the feedback signal of the first relay, and accurate positioning of fault self-detection is realized.
The self-checking device of the multifunctional rail traffic signal machine further comprises a switch assembly and a register assembly. The switch assembly comprises a normally open switch S1, a normally closed switch S2 and a normally open switch S3; the register component comprises a register A, a register B and a register C; the register A is connected with the controller through a normally open switch S1, and the controller responds to a feedback signal of the second relay and then controls the normally closed switch S2 to be switched off and the normally open switch S1 to be switched on; the register B is connected with the controller through a normally closed switch S2; the register C is connected with the controller through a normally open switch S3, and the controller responds to a feedback signal of the first relay and then controls the normally closed switch S2 to be opened and the normally open switch S3 to be closed.
After the controller receives the feedback signal transmitted by the relay, the controller controls the corresponding switch in the switch assembly to be started, the controller can fetch the instruction stored in the corresponding register, and when the high-level signal is not received, the instruction stored in the corresponding register can be output as a fault signal without logic operation of the controller.
The register a stores a first instruction indicating that the second signal lamp 105 is faulty; the register B stores a second instruction for indicating the line fault of the control change-over switch; the register C stores a third instruction indicating a failure of the first signal lamp 104. The fault of the first signal lamp 104 and the second signal lamp 105 can be realized, and the fault of the control change-over switch and the input side trunk circuit can be detected.
As shown in fig. 2 and 3, the traffic signal machine main body comprises a mounting base 101 and a supporting column 103, and the supporting column 103 is movably connected with the mounting base 101; the first signal lamp 104 and the second signal lamp 105 are arranged on the display front side of the support column 103; a first display area 106 is arranged on one side surface of the supporting column 103 adjacent to the front display surface; a second display area 107 is arranged on the other side surface of the support column 103 adjacent to the display front surface; a servo motor 102 connected with the output end of the controller is arranged in the mounting base 101, and the output shaft of the servo motor 102 is fixedly connected with the supporting column 103. When the servo motor 102 responds to the storage instruction called by the controller from the register A, the servo motor 102 drives the support column 103 to rotate forwards; when the servo motor 102 responds to the memory command called from the register C by the controller, the servo motor 102 drives the support column 103 in reverse. When the signal lamp fails to work normally, the servo motor 102 drives the support column 103 to rotate correspondingly, the preset display area can temporarily replace the signal lamp to work, and normal operation of the signal lamp is effectively guaranteed.
In the present embodiment, the first display area 106 is an area having the same display color as that of the first signal lamp 104 after being activated, and the second display area 107 is an area having the same display color as that of the second signal lamp 105 after being activated. When the signal machine has a fault, the signal machine can automatically switch to the alternative operation mode under the condition of not influencing the display effect.
When the signal lamp display types are increased, signal lamp lines and corresponding switch components and components in the register component are directly added. When the composite light display exists, comprehensive comparison can be carried out by adding a comparator. For example, two yellow lights: indicating that the train is permitted to pass through the lateral position of the switch into the station in preparation for stopping. One yellow flash and one yellow light: the signal is used for indicating that the train is permitted to pass through a certain number and the lateral positions of the switches above the certain number, and the train enters the station to cross the next opened signal, and the route protected by the signal passes through the straight position of the switches or the lateral positions of the switches above the certain number. One green light and one yellow light: indicating that the train is permitted to pass through the switch straight position and enter the station to pass the next open receiving route signal to prepare for stopping.
The working principle is as follows: according to the self-checking device of the multifunctional rail traffic signal machine, when a signal lamp on a certain line is electrified and started, the photoelectric sensor connected in parallel on the corresponding line carries out photosensitive detection on the corresponding signal lamp; meanwhile, the photoelectric sensor inputs the detected photoelectric signal into the non-inverting input end of the value comparator, if the output end of the comparator outputs a high-level signal, the corresponding photoelectric sensor detects that the corresponding signal lamp is electrified and started, and the controller is in a silent state; otherwise, the corresponding photoelectric sensor does not detect that the corresponding signal lamp is electrified and started, and the conditions of signal lamp open circuit, short circuit, photoelectric sensor fault and the like may exist, and the controller outputs a fault signal.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A multifunctional rail transit annunciator self-checking device comprises an annunciator main body, a control change-over switch, a first signal lamp (104) and a second signal lamp (105) which are arranged in parallel, wherein the first signal lamp (104) and the second signal lamp (105) are respectively connected with two output side contacts of the control change-over switch;
the first photoelectric sensor and the second photoelectric sensor are respectively arranged at the corresponding positions of a first signal lamp (104) and a second signal lamp (105) on the signal machine main body, and the first photoelectric sensor and the second photoelectric sensor are respectively connected with the corresponding first signal lamp (104) and the second signal lamp (105) in parallel;
the signal input ends of the first photoelectric sensor and the second photoelectric sensor are connected with the in-phase input end of the comparator, the reference end of the comparator is connected with the output end of the controller, and the output end of the comparator is connected with the input end of the controller;
when the controller does not receive the high-level signal within a set time after the first signal lamp (104) or the second signal lamp (105) is started, the controller outputs a fault signal.
2. The multifunctional rail traffic signal machine self-checking device as claimed in claim 1, wherein the control change-over switch is a single-pole double-throw switch or a relay switch.
3. The multifunctional rail transit signal self-checking device as claimed in claim 1, wherein the signal body is provided with a signal interface device, and the signal interface device is electrically connected with the controller.
4. The multifunctional rail transit signal self-checking device as claimed in claim 1, wherein the signal body is provided with an alarm, and the alarm is electrically connected with an output end of the controller.
5. The multifunctional rail traffic signal machine self-checking device as claimed in claim 4, wherein the alarm is a fault lamp or a buzzer.
6. The multifunctional rail traffic signal machine self-checking device according to any one of claims 1 to 5, wherein the input sides of the branches where the first signal lamp (104) and the second signal lamp (105) are located are respectively connected with a first relay and a second relay in series;
the output end of the first relay is connected with the feedback end of the controller through a normally open contact switch KM1-1 of the first relay;
the output end of the second relay is connected with the feedback end of the controller through a normally open contact switch KM2-1 of the second relay.
7. The multifunctional rail traffic signal machine self-checking device according to claim 6, further comprising a switch component and a register component;
the switch assembly comprises a normally open switch S1, a normally closed switch S2 and a normally open switch S3;
the register component comprises a register A, a register B and a register C;
the register A is connected with the controller through a normally open switch S1, and the controller responds to a feedback signal of the second relay and then controls the normally closed switch S2 to be switched off and the normally open switch S1 to be switched on;
the register B is connected with the controller through a normally closed switch S2;
the register C is connected with the controller through a normally open switch S3, and the controller responds to a feedback signal of the first relay and then controls the normally closed switch S2 to be opened and the normally open switch S3 to be closed.
8. The multifunctional rail traffic signal self-checking device according to claim 7, wherein the register A stores a first instruction indicating a failure of the second signal lamp (105);
the register B stores a second instruction for indicating the line fault of the control change-over switch;
the register C stores a third instruction indicating a failure of the first signal lamp (104).
9. The multifunctional rail traffic signal self-checking device according to claim 7, wherein the signal body comprises a mounting base (101) and a supporting column (103), and the supporting column (103) is movably connected with the mounting base (101);
the first signal lamp (104) and the second signal lamp (105) are arranged on the display front side of the support column (103);
a first display area (106) is arranged on one side surface of the supporting column (103) adjacent to the front display surface;
a second display area (107) is arranged on the other side surface, adjacent to the display front surface, of the supporting column (103);
a servo motor (102) connected with the output end of the controller is arranged in the mounting base (101), and the output shaft of the servo motor (102) is fixedly connected with the support column (103);
when the servo motor (102) responds to the storage instruction called by the controller from the register A, the servo motor (102) drives the support column (103) to rotate forwards;
when the servo motor (102) responds to the storage command called by the controller from the register C, the servo motor (102) drives the supporting column (103) to rotate reversely.
10. The multifunctional rail traffic signal self-checking device according to claim 9, wherein the first display area (106) is an area having the same color as that of the first signal lamp (104) after being activated, and the second display area (107) is an area having the same color as that of the second signal lamp (105) after being activated.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123247003.XU CN216374558U (en) | 2021-12-22 | 2021-12-22 | Multifunctional self-checking device for rail transit signal machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202123247003.XU CN216374558U (en) | 2021-12-22 | 2021-12-22 | Multifunctional self-checking device for rail transit signal machine |
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| CN216374558U true CN216374558U (en) | 2022-04-26 |
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| CN202123247003.XU Active CN216374558U (en) | 2021-12-22 | 2021-12-22 | Multifunctional self-checking device for rail transit signal machine |
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