CN107864540B - Vehicle external illumination control circuit, subway vehicle and control method - Google Patents
Vehicle external illumination control circuit, subway vehicle and control method Download PDFInfo
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- CN107864540B CN107864540B CN201711070521.4A CN201711070521A CN107864540B CN 107864540 B CN107864540 B CN 107864540B CN 201711070521 A CN201711070521 A CN 201711070521A CN 107864540 B CN107864540 B CN 107864540B
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- relay
- normally open
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D29/00—Lighting
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- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The invention discloses a vehicle external illumination control circuit, a control method and a subway vehicle, wherein the vehicle external illumination control circuit is divided into a train-level circuit and a local terminal external illumination control circuit; the conditions that the home terminal occupies the forward direction handle and the home terminal occupies the backward direction handle are distinguished, and the backing is redefined; when the train backs, the headlamps at the two ends are all lightened, so that the safety distance between the front and the rear vehicles when the train backs is ensured.
Description
Technical Field
The invention relates to the field of rail transit, in particular to a vehicle external illumination control circuit and a control method thereof and a subway vehicle.
Background
Currently, exterior lighting of a subway vehicle is mainly divided into a head lamp, a tail lamp and a red/white two-color running lamp, the head lamp mainly provides line lighting of a positive line for the vehicle and has a strong and weak point, the tail lamp displays the traveling direction of the vehicle, and the roof width of the vehicle can be indicated by the red/white state of the running lamp.
The external lighting system generates different working logics according to different positions of a direction handle of a master controller of the cab, for example, when the direction handle is in a forward position, a head lamp and a white operation lamp at the end are lighted, and a tail lamp and a red operation lamp at the other end are lighted; when the direction handle is turned to the backward position, the tail lamp and the red running lamp at the end are lightened, and the head lamp and the white running lamp at the other end are lightened; when the vehicle is only activated but not in the direction, the tail lamps at the two ends and the red running lamp are both lighted.
According to the logic, the prior art only carries out external illumination control on the position of a direction handle of a driver, the direction handle of a driver cab at an occupied or unoccupied end is not distinguished, a front lamp and a white operation lamp at the end corresponding to the moving direction of the vehicle are lightened, and a tail lamp and a red operation lamp at the other end are lightened. This control method cannot distinguish whether the vehicle is currently in a reverse state, and therefore, in the reverse state, the headlight in front of the driver end is not turned on but only the tail lamp and the red running lamp are turned on.
Disclosure of Invention
The invention aims to solve the technical problem that the prior art is insufficient, and provides a vehicle external illumination control circuit, a control method and a subway vehicle, wherein the control logic of the original external illumination circuit is kept, the control of the driver cab for external illumination is increased, the conditions that the local terminal occupies and the direction handle is forward and the local terminal occupies the direction handle is backward are distinguished, and the safety distance of the front vehicle and the rear vehicle when the train backs is ensured when the train backs.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a vehicle exterior lighting control circuit includes a train-level circuit and an exterior control unit; the train-level circuit comprises two control units with the same structure, and each control unit corresponds to one external control unit; one control unit comprises a first relay, a third relay and a fifth relay; a coil of the first relay is connected with a driver key at one end of the train; the driver key is connected with a power supply; the coils of the third relay and the fifth relay are connected with a direction handle at one end of the train; the direction handle is connected with the power supply through a first contact of a first relay; connecting points are arranged between the coils of the third relay and the fifth relay and the direction handle; the corresponding connection points of the two control units are mutually connected; the external control unit comprises a second relay and a fourth relay; the coil of the second relay is connected with the first contact of the high/low beam switch; the first contact of the high/low beam switch is connected with the contact of the fifth relay; the contact of the fifth relay is connected with the second contact of the first relay; the fourth relay is connected with the second contact of the high/low beam switch; the second contact of the high/low beam switch is connected with the first contact of the third relay; a connecting point between the first contact of the far/low beam switch and the contact of the fifth relay, and a connecting point between the second contact of the far/low beam switch and the first contact of the third relay are connected with a white running light of the train; the high beam of the train is connected with the contact of the second relay; the dipped headlight of the train is connected with the contact of the fourth relay; the tail lamp of the train is connected with the second contact of the third relay; the red running light of the train is connected with the third contact of the first relay; the second contact of the first relay, the first contact of the third relay, the contact of the second relay, the contact of the fourth relay, the second contact of the third relay and the third contact of the first relay are all connected with a power supply; and a connection point between the tail lamp and the second contact of the third relay and a connection point between the red running lamp and the third contact of the first relay are mutually connected.
The two control units are respectively arranged in a cab of the train.
The far/near light switch adopts a two-position self-locking knob, and is convenient to control.
Correspondingly, the invention also provides a cab, which comprises a control unit; the control unit comprises a first relay, a third relay and a fifth relay; the coil of the first relay is connected with a driver key; the driver key is connected with a power supply; the coils of the third relay and the fifth relay are connected with a direction handle at one end of the train; the direction handle is connected with the power supply through a first contact of a first relay; and connection points are arranged between the coils of the third relay and the fifth relay and the direction handle.
As an inventive concept, the present invention also provides a subway vehicle, which employs the above-described external lighting control circuit.
As an inventive concept, the invention also provides a subway vehicle, which adopts the cab; the corresponding connection points of the two control units in the cab are connected with each other.
Correspondingly, the invention also provides a control method of the vehicle external illumination control circuit, which comprises the following steps:
the drivers' cabs at both ends are not occupied: all relays are not electrified, all contacts keep the initial state, the tail lamp and the red running lamp at the end are lightened, and the tail lamp and the red running lamp are only lightened at the other end;
one end cab occupies and is forward in direction: the first relay and the third relay at the end are electrified, the first contact of the third relay is closed, the headlamp and the white operation lamp are turned on, the third contact of the first relay and the second contact of the third relay are turned off, and the tail lamp and the red operation lamp are turned off; only the fifth relay is electrified at the other end, the rest relays are not electrified, the first contact of the first relay at the other end and the first contact of the third relay are kept disconnected, the headlamp and the white operating lamp at the other end are turned off, the third contact of the first relay and the second contact of the third relay are kept attracted, and the tail lamp and the red operating lamp are turned on;
one end cab occupies and is directed backwards: the first relay and the fifth relay at the end are electrified, the second contact of the first relay and the contact of the fifth relay at the end are both closed, the head lamp and the white operation lamp are turned on, the second contact of the third relay is kept closed, and the tail lamp and the red operation lamp are also turned on; and only the third relay is electrified at the other end, the rest relays are not electrified, the first contact of the third relay is closed, the headlamp and the white running lamp at the other end are lightened, the second contact of the first relay keeps attracting, and the tail lamp and the red running lamp at the other end are lightened.
Compared with the prior art, the invention has the beneficial effects that: the invention not only keeps the control logic of the original external lighting circuit, but also increases the control of the driver cab on the external lighting; the conditions that the home terminal occupies the forward direction handle and the home terminal occupies the backward direction handle are distinguished, and the backing is redefined; when the train backs, the headlamps at the two ends are all lightened, so that the safety distance between the front and the rear vehicles when the train backs is ensured.
Drawings
FIG. 1 is a circuit for train level cab occupancy and direction control in accordance with the present invention;
fig. 2 is an external lighting control circuit of the present invention.
Detailed Description
The circuit of the invention consists of two stages of circuits, which are a train-level circuit and a local-end external lighting control circuit, wherein the train-level circuit is shown in figure 1 and mainly describes the control logic of cab occupation and train direction.
When a driver at one end operates a driver key, the cab occupancy relay KM1 is electrified, the contacts 13 and 14 (the first contact, the two ends of the contact are indicated by the numerical serial number in the invention) are closed, the direction handle at the end is unlocked, if the driver operates the direction handle forwards, the corresponding forward relay KM3 is electrified, the backward relay KM5 at the other end is electrified, and if the driver operates the direction handle backwards, the corresponding backward relay KM5 is electrified, and the forward relay KM3 at the other end is electrified.
Because the first unit and the second unit of the vehicle adopt a symmetrical structure, the occupation and the forward and backward logics of the two ends are consistent.
The external lighting control circuit is shown in fig. 2 below, and the control circuit is analyzed in three operating conditions: 1. both ends are not occupied. 2. One end occupies and is directed forward. 3. One end occupies and is directed backwards.
1. Both ends do not occupy: at this time, the activated KM1-KM5 relay in the train is not powered, all the contacts keep the initial state, so that the tail lamp and the red running light at the end are lighted, and the KM1-KM5 relay is not powered at the other end, so that only the tail lamp and the red running light are lighted.
2. One end occupies and is directed forward: when one end is occupied and the direction is forward, the KM1 and KM3 at the home end are electrified, so that the contacts 13 and 14 (first contacts) of the home end KM3 are closed, the front lamp and the white running light are lighted, the contacts 31 and 32 (third contacts) of the KM1 and the contacts 21 and 22 (second contacts) of the KM3 are disconnected, and the tail lamp and the red running light are extinguished; only KM5 at the other end is electrified, the rest relays are not electrified, the contacts 23 and 24 (second contacts) of K M1 and the contacts 13 and 14 of KM3 are kept disconnected, so that the head lamp and the white running lamp at the other end are turned off, the contacts 31 and 32 of KM1 and the contacts 21 and 22 of KM3 are kept attracted, and the tail lamp and the red running lamp are turned on.
3. One end occupies and is directed backwards: when one end is occupied and the direction is backward, the KM1 and KM5 at the home end are electrified, so that the contacts 23, 24 and 13, 14 of the KM5 of the home end KM1 are closed, the front lamp and the white running light are lightened, the points 21 and 22 of KM3 are kept closed, and the tail lamp and the red running light are lightened; and only KM3 at the other end is electrified, the other relays are not electrified, the contacts 13 and 14 of KM3 are closed, so that the head lamp and the white running lamp at the other end are lightened, and the contacts 31 and 32 of KM1 are kept attracted, so that the tail lamp and the red running lamp are lightened.
When the front lamp circuit is powered on, the high beam and low beam control of the front lamp is determined by a high beam and low beam selection knob S1, the high beam and low beam selection knob S1 adopts a two-position self-locking knob, the two positions are respectively 'high beam' and 'low beam', when the high beam and low beam selection knob S1 is turned on, the contacts 13 and 14 are closed, 23 and 24 are opened, the high beam contactor KM2 is powered on to control the high beam to be turned on, when the low beam is turned on, the contacts 23 and 24 are closed, 13 and 14 are opened, and the low beam contactor KM1 is powered on to control the low beam to be turned on.
Claims (5)
1. A vehicle exterior lighting control circuit, comprising a train-level circuit and an exterior control unit; the train-level circuit comprises two control units with the same structure, and each control unit corresponds to one external control unit; one control unit comprises a first relay, a third relay and a fifth relay; a coil of the first relay is connected with a driver key at one end of the train; the driver key is connected with a power supply; a coil of the third relay is connected with a forward handle at the end of the train; a coil of the fifth relay is connected with a backward handle at the end of the train; the forward handle and the backward handle are direction handles; the direction handle is connected with the power supply through a normally open contact of the first relay; connecting points are arranged between the coils of the third relay and the fifth relay and the direction handle; the external control unit comprises a second relay and a fourth relay; a coil of the second relay is connected with a first normally open contact of the far/near light switch; the first normally open contact of the far/near light switch is connected with the normally open contact of the fifth relay; the normally open contact of the fifth relay is connected with the normally open contact of the first relay; the coil of the fourth relay is connected with a second normally open contact of the far/near light switch; the second normally open contact of the far/near light switch is connected with the normally open contact of the third relay; a connecting point between the first normally open contact of the far/near light switch and the normally open contact of the fifth relay, and a connecting point between the second normally open contact of the far/near light switch and the normally open contact of the third relay are connected with a white running light of the train; the high beam of the train is connected with the normally open contact of the second relay; the dipped headlight of the train is connected with the normally open contact of the fourth relay; the tail lamp of the train is connected with the normally closed contact of the third relay; the red running light of the train is connected with the normally closed contact of the first relay; the normally open contact of the first relay, the normally open contact of the third relay, the normally open contact of the second relay, the normally open contact of the fourth relay, the normally closed contact of the third relay and the normally closed contact of the first relay are all connected with a power supply; the connection point between the tail lamp and the normally closed contact of the third relay and the connection point between the red operating lamp and the normally closed contact of the first relay are mutually connected; the coils of the third relay and the fifth relay and the direction handle are all provided with connecting points, the connecting point between the third relay of the first control unit and the direction handle is connected with the connecting point between the fifth relay of the second control unit and the direction handle, and the connecting point between the fifth relay of the first control unit and the direction handle is connected with the connecting point between the third relay of the second control unit and the direction handle.
2. The vehicle exterior lighting control circuit of claim 1, wherein two of said control units are each mounted in a cab of the train.
3. The vehicle exterior lighting control circuit of claim 1, wherein the high/low beam switch employs a two position self-locking knob.
4. A subway vehicle, characterized in that the external illumination control circuit according to any one of claims 1 to 3 is used.
5. A control method of the vehicle exterior lighting control circuit according to any one of claims 1 to 3, comprising:
the drivers' cabs at both ends are not occupied: all relays are not electrified, all contacts keep the initial state, the tail lamp and the red running lamp at the end are lightened, and the tail lamp and the red running lamp are only lightened at the other end;
one end cab occupies and is forward in direction: the first relay and the third relay at the end are electrified, the normally open contact of the third relay is closed, the headlamp and the white operating lamp are lightened, the third contact of the first relay and the normally closed contact of the third relay are disconnected, and the tail lamp and the red operating lamp are extinguished; only the fifth relay is electrified at the other end, the rest relays are not electrified, the normally open contact of the first relay and the normally open contact of the third relay at the other end are both kept disconnected, the headlamp and the white operating lamp at the other end are turned off, the normally closed contact of the first relay and the normally closed contact of the third relay are both kept attracted, and the tail lamp and the red operating lamp are turned on;
one end cab occupies and is directed backwards: the first relay and the fifth relay at the end are electrified, the normally open contact of the first relay and the normally open contact of the fifth relay at the end are both closed, the head lamp and the white operation lamp are lightened, the normally closed contact of the third relay is kept closed, and the tail lamp and the red operation lamp are lightened; and only the third relay is electrified at the other end, the rest relays are not electrified, the normally open contact of the third relay is closed, the headlamp and the white operating lamp at the other end are lightened, the normally open contact of the first relay is kept in attraction, and the tail lamp and the red operating lamp at the other end are lightened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711070521.4A CN107864540B (en) | 2017-11-03 | 2017-11-03 | Vehicle external illumination control circuit, subway vehicle and control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711070521.4A CN107864540B (en) | 2017-11-03 | 2017-11-03 | Vehicle external illumination control circuit, subway vehicle and control method |
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| Publication Number | Publication Date |
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| CN107864540A CN107864540A (en) | 2018-03-30 |
| CN107864540B true CN107864540B (en) | 2020-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711070521.4A Active CN107864540B (en) | 2017-11-03 | 2017-11-03 | Vehicle external illumination control circuit, subway vehicle and control method |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109084268A (en) * | 2018-08-25 | 2018-12-25 | 天津工大海宇照明部品有限公司 | A kind of subway headlamps illuminator |
| CN109462925A (en) * | 2018-11-16 | 2019-03-12 | 曹妃甸港集团股份有限公司 | Illumination control circuit and illumination control method under a kind of door machine machine |
| CN114750803B (en) * | 2022-05-23 | 2024-03-01 | 中车青岛四方机车车辆股份有限公司 | Direction control system and method in running process of rail transit vehicle and vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN204452463U (en) * | 2014-12-23 | 2015-07-08 | 湘潭牵引机车厂有限公司 | A kind of double locomotive traction electric locomotive illumination sign lamp control device |
| CN104527729B (en) * | 2014-12-26 | 2016-10-19 | 成都市新筑路桥机械股份有限公司 | Tramcar lamp system |
| CN105657943B (en) * | 2016-03-09 | 2018-10-02 | 中车青岛四方机车车辆股份有限公司 | A kind of EMU front combination lamp lamp device |
| CN106494455B (en) * | 2016-11-16 | 2017-12-29 | 中车大连机车车辆有限公司 | Join the mark lamp control circuit end to end of vehicle again |
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Effective date of registration: 20220106 Address after: 412001 Tianxin garden in Shi Feng District, Zhuzhou, Hunan Patentee after: CRRC ZHUZHOU LOCOMOTIVE Co.,Ltd. Patentee after: Luoyang CRRC Rail Transit Equipment Co., Ltd Address before: 412001 Tianxin garden in Shi Feng District, Zhuzhou, Hunan Patentee before: CRRC ZHUZHOU LOCOMOTIVE Co.,Ltd. |