CN204754559U - Control system of two side doors of bus - Google Patents
Control system of two side doors of bus Download PDFInfo
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- CN204754559U CN204754559U CN201520290730.XU CN201520290730U CN204754559U CN 204754559 U CN204754559 U CN 204754559U CN 201520290730 U CN201520290730 U CN 201520290730U CN 204754559 U CN204754559 U CN 204754559U
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Abstract
The utility model relates to a control system of two side doors of bus, including signal acquisition element, processing unit and drive unit, signal acquisition element is a controller including the positioner, the rocker switch that are used for judging the vehicle condition of arriving at a station, processing unit, and drive unit is including the solenoid valve that is used for control left side door and right side door, positioner and rocker switch, control connection solenoid valve are connected in the controller sampling. Prevent that driver mistake from pressing the rocker switch of right side door and opening the right side door, avoided the passenger from the get off condition of the traffic safety accident that leads to of opposite direction, ensured the personal safety.
Description
Technical field
The utility model relates to a kind of control system of bus double-sided doors, belongs to bus rapid transit technical field.
Background technology
Along with the sustainable development of national economy, greatly develop public transport particularly urban traffic fulfill, under this overall background, BRT grows up gradually.Along with the development of BRT, in order to save path resource and make full use of existing path resource, the Dokdo formula BRT platform built in the middle of road more and more obtains the approval of public transport company, simultaneously because of compatible China traffic rules and existing BRT platform, corresponding just requirement designs bilateral passenger doors bus.
This double-sided doors bus can effectively utilize path resource, carry out with platform neatly with the use of, but this double-sided doors bus also exists a problem: because it has left and right double-sided doors, when car is parked in platform place by driver, easily mistake the switch of left and right door.Such as: driver keeps right and is parked in by platform, but the bus door in left side is opened, passenger is out of the picture, and will get off from offside door, offside door is near fast traffic lane, therefore passenger just can get off in fast traffic lane, be easy to occur traffic accident, cause serious casualties, so, for avoiding the people of driver to be the traffic accident that maloperation left and right sides passenger doors causes, thus design there emerged a safe bus door control method and seems particularly important.
Utility model content
The purpose of this utility model is to provide a kind of control system of bus double-sided doors, in order to solve because the problem of door of giving another the right of way under the passenger that causes of the maloperation of driver.
For achieving the above object, scheme of the present utility model comprises: a kind of control system of bus double-sided doors, comprise signal gathering unit, processing unit and driver element, described signal gathering unit comprises for judging that vehicle arrives at a station the positioner of situation, the rocker switch corresponding with left side car door and the rocker switch corresponding with right side car door, described processing unit is a controller, and described driver element comprises the electromagnetic valve for controlling left side car door and right side car door; Controller sampling connects described positioner and rocker switch, electromagnetic valve described in control connection.
The described rocker switch corresponding with left side car door has: control the rocker switch of the whole car door in left side, control the rocker switch of left front door and control the rocker switch of left back door; The described rocker switch corresponding with right side car door has: control the rocker switch of the whole car door in right side, control the rocker switch of right front door and control the rocker switch of right-rear-door.
Described signal gathering unit also comprises the sensor for detecting the speed of a motor vehicle, and described controller sampling connects described sensor.
Described driver element also comprises the RF device for controlling the gate corresponding with left side car door and the gate corresponding with right side car door, and described RF device is arranged on bus, and with car door one_to_one corresponding, RF device described in described controller control connection.
Described driver element also comprises the electromagnetic valve actuator for driving corresponding solenoid valve conduction, electromagnetic valve actuator described in described controller control connection, the electromagnetic valve that described electromagnetic valve actuator control connection is corresponding.
Described positioner is GPS station reporting instrument system.
In the utility model, first the platform of vehicle parking is judged, when vehicle parking is at left side platform, the rocker switch only controlling left side car door is effective, and then left side car door can be opened, the rocker switch simultaneously controlling right side car door is invalid, also the rocker switch being about to control right side car door is locked, even if driver presses right side car door, the car door on right side can not be opened, prevent that driver from pressing the rocker switch of right side car door and by right side car door opening, avoiding passenger gets off from contrary direction the situation of the traffic accidents caused by mistake, ensured personal safety.
Accompanying drawing explanation
Fig. 1 is the structural representation of the control system embodiment of bus double-sided doors;
Fig. 2 is the subprogram flow chart of the control method embodiment 1 of bus double-sided doors;
Fig. 3 is the program flow diagram when the left side of bus rests in platform side to Car's door controlling;
Fig. 4 is the program flow diagram when the right side of bus rests in platform side to Car's door controlling.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in more detail.
The control system embodiment of bus double-sided doors
The bus that the utility model relates to has left side car door and right side car door simultaneously, and every side car door has Qianmen and back door, and a this bus has 4 doors.Certainly, also have the bus of other types, such as every side have 3 doors, and its control method is similar to the control method of the bus in the utility model, has the bus of two doors here for every side car door.In addition, the direction that bus travels is different, and the judgement of left and right sides is different, so the left and right sides in the utility model illustrates with the direction of advance of bus.
The control system of a kind of bus double-sided doors as shown in Figure 1, comprises signal gathering unit, processing unit and driver element.Signal gathering unit comprises vehicle speed sensor for detecting the speed of a motor vehicle, for judging that vehicle arrives at a station the GPS station reporting instrument system of situation, the rocker switch corresponding with car door, in this control system, have 6 for controlling the rocker switch of car door: the rocker switch of the rocker switch of the rocker switch controlling the whole car door in left side, the rocker switch controlling left front door, control left back door, the rocker switch controlling the whole car door in right side, the rocker switch controlling right front door and control right-rear-door.GPS station reporting instrument system can locate the position of the gate of different websites according to the operating line of the reality of bus, can determine which side car door of vehicle rests in by platform.
Processing unit is a controller, each element in this controller sampling connection signal collecting unit, the corresponding data message of each element collection in signal gathering unit, and the data message collected is inputed to this controller, controller carries out treatment and analysis to data.Each element in controller control connection driver element, each element in driver element makes corresponding reaction according to the control information that controller sends.
Driver element comprises the left side driver module of forward and backward door switch electromagnetic valve, the driver module of the forward and backward door switch electromagnetic valve in right side.The driver module of forward and backward door switch electromagnetic valve on the left of controller control connection, the switch gate electromagnetic valve that the driver module control connection of left side forward and backward door switch electromagnetic valve is corresponding, for Controlling solenoid valve conducting; The driver module of forward and backward door switch electromagnetic valve on the right side of controller control connection, the switch gate electromagnetic valve that the driver module control connection of right side forward and backward door switch electromagnetic valve is corresponding, for Controlling solenoid valve conducting.The switching system of car door is air pressure or hydraulic system, and electromagnetic valve is serially connected in the oil circuit in the gas circuit in baric systerm or in hydraulic system, by the conducting of external control signal Controlling solenoid valve to realize car door opening.
Certainly, as other embodiment, above-mentioned driver module also can omit, and uses the controller having and drive electromagnetic valve on-off function.
Driver element also comprises the RF device for controlling gate, and RF device is arranged onboard, is preferably arranged near car door, the corresponding RF device of each car door, and each RF device is also corresponding controls a gate.Controller can produce the control signal controlling platform door switch according to the data message received, RF device by these Signal transmissions to gate, each gate is provided with the receiving system sending signal of a received RF device, makes the action of opening the door or closing the door after the receiving system of gate receives signal.In order to the passage that effective reminding passengers is got on or off the bus, in driver element, also comprise a voice prompting device, after vehicle arrives at a station, utilize corresponding voice reminder passenger at any side door to get off.
In above-described embodiment, be GPS station reporting instrument system for what judge the inbound case of vehicle, as other embodiment, infrared facility also can be utilized to carry out positioned vehicle, judge which side of vehicle rests in by platform.
The embodiment of the control system of above-mentioned bus double-sided doors can adopt the control method of the following two kinds bus double-sided doors to control, and the control method of these two kinds of bus double-sided doors is also the embodiment 1 and 2 of the control method of a kind of bus double-sided doors of the present utility model.
The embodiment 1 of the control method of bus double-sided doors
The control method of this bus double-sided doors be by gather speed information, bus relative to the positional information of platform and the rocker switch of car door the parameter signal such as signal and carry out judging that the corresponding control signal of rear output controls car door, gate and voice reminder, concrete steps are as follows:
Step 1: controller Negotiation speed sensor gathers the GES V of bus, then the size of the threshold value Vo that the GES V that gathers and the speed of a motor vehicle set is judged, as V<=Vo, be judged to be vehicle pull-in, and which side of carrying out follow-up judgement vehicle stops the step of platform, is step 2; As V>Vo, also namely now the speed of a motor vehicle is too fast, and vehicle does not enter the station, and is not suitable for opening car door, and now all output circuits stop exporting, and repeat step 1.
Step 2: as V<=Vo, controller obtains the station platform information of GPS station reporting instrument location, judge which side of vehicle rests in platform, alternatively, which side of platform stops bus, if the left side of bus rests in by platform, also namely the right side stop of platform has bus, the rocker switch output controlling right side car door corresponding is invalid, and enters step 3; If the right side of bus rests in by platform, also namely the left side stop of platform has bus, and the rocker switch output controlling left side car door corresponding is invalid, enters step 4.Be illustrated in figure 2 and determine different control subprograms according to different station platform informations, wherein, whether equal 1 to determine the subprogram performed according to L, this figure just carries out different control in order to illustrate according to different station platform informations, does not determine what the content in subprogram 1 and 2 is respectively.
Step 3: the state detecting rocker switch corresponding to left side car door, step specific as follows:
(1) state of the rocker switch controlling the whole car door in left side is judged, when the rocker switch controlling the whole car door in left side is ON signal, control signal is given the gate corresponding with left side car door by left side RF device by controller, gate is opened after receiving signal, after time delay Δ t, also, namely after controller exports the control signal Δ t time by RF device, left side front and back door is opened, and passenger gets off from front and back door; When the rocker switch controlling the whole car door in left side is OFF signal, enter step (2);
(2) state of the rocker switch controlling left front door is judged, when the rocker switch controlling left front door is ON signal, control signal is given the gate corresponding with left front door by the RF device that left front door is corresponding by controller, gate is opened after receiving signal, after time delay Δ t, also namely after controller exports the control signal Δ t time by RF device, left front door is opened, passenger gets off from left front car door, when the rocker switch controlling left front door is OFF signal, enters step (3);
(3) state of the rocker switch controlling left back door is judged, when the rocker switch controlling left back door is ON signal, control signal is given the gate corresponding with left back door by the RF device that left back door is corresponding by controller, gate is opened after receiving signal, after time delay Δ t, also, namely after controller exports the control signal Δ t time by RF device, left back door is opened, and passenger gets off from left back car door; When the rocker switch controlling left back door is OFF signal, namely now all car doors in left side do not need to open yet, and reason can be there be not passenger in car, and the control method of this bus double-sided doors terminates, and bus can directly be dispatched a car from platform again.
When bus door closing:
(I) state of the rocker switch controlling the whole car door in left side is judged, when the rocker switch controlling the whole car door in left side is OFF signal, left side front and back door closes, after time delay Δ t, control signal is given the gate corresponding with left side car door by left side RF device by controller, gate is closed after receiving signal, when the rocker switch controlling the whole car door in left side is ON signal, enters step (II);
(II) state of the rocker switch controlling left front door is judged, when the rocker switch controlling left front door is OFF signal, left front door closes, after time delay Δ t, control signal is given the gate corresponding with left front door by the RF device that left front door is corresponding by controller, gate is closed after receiving signal, when the rocker switch controlling left front door is ON signal, enters step (III);
(III) state of the rocker switch controlling left back door is judged, when the rocker switch controlling left back door is OFF signal, left back door closes, after time delay Δ t, control signal is given the gate corresponding with left back door by the RF device that left back door is corresponding by controller, gate is closed after receiving signal, when the rocker switch controlling left back door is ON signal, terminates to close gate control.
Be illustrated in figure 3 the program flow diagram of above-mentioned steps 3, wherein, K=1 represents rocker switch and exports enabling signal, and G=1 represents rocker switch and exports pass gate signal, O
3for exporting to the control signal (in figure, left side gate refers to the gate that left side car door is corresponding) of gate corresponding to left side car door, O
5for exporting to the control signal of voice prompting device.
Step 4: the state detecting rocker switch corresponding to right side car door, step specific as follows:
(1) state of the rocker switch controlling the whole car door in right side is judged, when the rocker switch controlling the whole car door in right side is ON signal, control signal is given the gate corresponding with right side car door by right side RF device by controller, gate is opened after receiving signal, after time delay Δ t, also namely after controller exports the control signal Δ t time by RF device, right side front and back door is opened, passenger gets off from front and back door, when the rocker switch controlling the whole car door in right side is OFF signal, enter step (2);
(2) state of the rocker switch controlling right front door is judged, when the rocker switch controlling right front door is ON signal, control signal is given the gate corresponding with right front door by the RF device that right front door is corresponding by controller, gate is opened after receiving signal, after time delay Δ t, also namely after controller exports the control signal Δ t time by RF device, right front door is opened, passenger gets off from right front car door, when the rocker switch controlling right front door is OFF signal, enters step (3);
(3) state of the rocker switch controlling right-rear-door is judged, when the rocker switch controlling right-rear-door is ON signal, control signal is given the gate corresponding with right-rear-door by the RF device that right-rear-door is corresponding by controller, gate is opened after receiving signal, after time delay Δ t, also, namely after controller exports the control signal Δ t time by RF device, right-rear-door is opened, and passenger gets off from right back car door; When the rocker switch controlling right-rear-door is OFF signal, namely now all car doors in right side do not need to open yet, and reason can be there be not passenger in car, and the control method of this bus double-sided doors terminates, and bus can directly be dispatched a car from platform again.
When bus door closing:
(I) state of the rocker switch controlling the whole car door in right side is judged, when the rocker switch controlling the whole car door in right side is OFF signal, right side front and back door closes, after time delay Δ t, control signal is given the gate corresponding with right side car door by right side RF device by controller, gate is closed after receiving signal, when the rocker switch controlling the whole car door in right side is ON signal, enters step (II);
(II) state of the rocker switch controlling right front door is judged, when the rocker switch controlling right front door is OFF signal, right front door closes, after time delay Δ t, control signal is given the gate corresponding with right front door by the RF device that right front door is corresponding by controller, gate is closed after receiving signal, when the rocker switch controlling right front door is ON signal, enters step (III);
(III) state of the rocker switch controlling right-rear-door is judged, when the rocker switch controlling right-rear-door is OFF signal, right-rear-door is opened, after time delay Δ t, control signal is given the gate corresponding with right-rear-door by the RF device that right-rear-door is corresponding by controller, gate is closed after receiving signal, when the rocker switch controlling right-rear-door is ON signal, terminates to close gate control.
Be illustrated in figure 4 the program flow diagram of above-mentioned steps 4, wherein, K=1 represents rocker switch and exports enabling signal, and G=1 represents rocker switch and exports pass gate signal, O
4for exporting to the control signal (in figure, right side gate refers to the gate that right side car door is corresponding) of gate corresponding to right side car door, O
5for exporting to the control signal of voice prompting device.
As other embodiment, every side car door only needs a rocker switch to control, and namely a rocker switch controls all car doors in side, does not use the rocker switch controlling separately a car door or the rocker switch not controlling separately a car door.Now:
When left side car door rests in platform side:
Judge the state of the rocker switch controlling the whole car door in left side, when the rocker switch controlling the whole car door in left side is ON signal, control signal is given the gate corresponding with left side car door by left side RF device by controller, gate is opened after receiving signal, after time delay Δ t, also, namely after controller exports the control signal Δ t time by RF device, left side front and back door is opened, and passenger gets off from front and back door;
When bus door closing: the state judging the rocker switch controlling the whole car door in left side, when the rocker switch controlling the whole car door in left side is OFF signal, left side front and back door closes, after time delay Δ t, control signal is given the gate corresponding with left side car door by left side RF device by controller, and gate is closed after receiving signal.
When right side car door rests in platform side:
Judge the state of the rocker switch controlling the whole car door in right side, when the rocker switch controlling the whole car door in right side is ON signal, control signal is given the gate corresponding with right side car door by right side RF device by controller, gate is opened after receiving signal, after time delay Δ t, also, namely after controller exports the control signal Δ t time by RF device, right side front and back door is opened, and passenger gets off from front and back door;
When bus door closing: the state judging the rocker switch controlling the whole car door in right side, when the rocker switch controlling the whole car door in right side is OFF signal, right side front and back door closes, after time delay Δ t, control signal is given the gate corresponding with right side car door by right side RF device by controller, and gate is closed after receiving signal.
Each car door is when opening or close, and voice prompting device all can export corresponding voice reminder, such as: " offside door is opened, and please gets off at offside door "
The embodiment 2 of the control method of bus double-sided doors
Because some platforms may not arrange gate, so in the present embodiment, in the control procedure of car door, not to the technological means that gate controls, namely the difference of the present embodiment and embodiment 1 is:
Step 3: the state detecting rocker switch corresponding to left side car door, step specific as follows:
(1) state of the rocker switch controlling the whole car door in left side is judged, when the rocker switch controlling the whole car door in left side is ON signal, left side front and back door is opened, passenger gets off from front and back door, when the rocker switch controlling the whole car door in left side is OFF signal, enter step (2);
(2) judge the state of the rocker switch controlling left front door, when the rocker switch controlling left front door is ON signal, left front door is opened, and passenger gets off from left front car door, when the rocker switch controlling left front door is OFF signal, enters step (3);
(3) judge the state of the rocker switch controlling left back door, when the rocker switch controlling left back door is ON signal, left back door is opened, and passenger gets off from left back car door; When the rocker switch controlling left back door is OFF signal, namely now all car doors in left side do not need to open yet, and reason can be there be not passenger in car, and the control method of this bus double-sided doors terminates, and bus can directly be dispatched a car from platform again.
When bus door closing:
(I) state of the rocker switch controlling the whole car door in left side is judged, when the rocker switch controlling the whole car door in left side is OFF signal, left side front and back door closes, and when the rocker switch controlling the whole car door in left side is ON signal, enters step (II);
(II) judge the state of the rocker switch controlling left front door, when the rocker switch controlling left front door is OFF signal, left front door closes, and when the rocker switch controlling left front car is ON signal, enters step (III);
(III) judge the state of the rocker switch controlling left back door, when the rocker switch controlling left back door is OFF signal, left back door closes, and when the rocker switch controlling left back car is ON signal, terminates to close gate control.
Step 4: the state detecting rocker switch corresponding to right side car door, step specific as follows:
(1) state of the rocker switch controlling the whole car door in right side is judged, when the rocker switch controlling the whole car door in right side is ON signal, right side front and back door is opened, passenger gets off from front and back door, when the rocker switch controlling the whole car door in right side is OFF signal, enter step (2);
(2) judge the state of the rocker switch controlling right front door, when the rocker switch controlling right front door is ON signal, right front door is opened, and passenger gets off from right front car door, when the rocker switch controlling right front door is OFF signal, enters step (3);
(3) judge the state of the rocker switch controlling right-rear-door, when the rocker switch controlling right-rear-door is ON signal, right-rear-door is opened, and passenger gets off from right back car door; When the rocker switch controlling right-rear-door is OFF signal, namely now all car doors in right side do not need to open yet, and reason can be there be not passenger in car, and the control method of this bus double-sided doors terminates, and bus can directly be dispatched a car from platform again.
When bus door closing:
(I) state of the rocker switch controlling the whole car door in right side is judged, when the rocker switch controlling the whole car door in right side is OFF signal, right side front and back door closes, and when the rocker switch controlling the whole car door in right side is ON signal, enters step (II);
(II) judge the state of the rocker switch controlling right front door, when the rocker switch controlling right front door is OFF signal, right front door closes, and when the rocker switch controlling right front door is ON signal, enters step (III);
(III) judge the state of the rocker switch controlling right-rear-door, when the rocker switch controlling right-rear-door is OFF signal, right-rear-door closes, and when the rocker switch controlling right-rear-door is ON signal, terminates to close gate control.
As other embodiment, every side car door only needs a rocker switch to control, and namely a rocker switch controls all car doors in side, does not use the rocker switch controlling separately a car door or the rocker switch not controlling separately a car door.Now:
When left side car door rests in platform side:
Judge the state of the rocker switch of the whole car door in control left side, when the rocker switch controlling the whole car door in left side is ON signal, left side front and back door is opened, and passenger gets off from front and back door;
When bus door closing: the state judging the rocker switch of the whole car door in control left side, when the rocker switch controlling the whole car door in left side is OFF signal, left side front and back door closes.
When right side car door rests in platform side:
Judge the state of the rocker switch of the whole car door in control right side, when the rocker switch controlling the whole car door in right side is ON signal, right side front and back door is opened, and passenger gets off from front and back door;
When bus door closing: the state judging the rocker switch of the whole car door in control right side, when the rocker switch controlling the whole car door in right side is OFF signal, right side front and back door closes.
In the embodiment 1 and 2 of the control method of above-mentioned bus double-sided doors, the setting-up time interval between car door and gate can be identical, also can in the light of actual conditions arrange separately.
The control method of closing the door of relevant bus is given in the embodiment 1 and 2 of the control method of above-mentioned bus double-sided doors, in fact, the control method of the bus double-sided doors that the utility model provides controls for enabling, the control method of opening the door is incoherent with the control method of closing the door, even if do not adopt the pass door control method in above-described embodiment, and adopt pass of the prior art door control method to be feasible yet.
Be presented above concrete embodiment, but the utility model is not limited to described embodiment.The change carried out embodiment when not departing from principle of the present utility model and spirit, amendment, replacement and modification still fall in protection domain of the present utility model.
Claims (6)
1. the control system of a bus double-sided doors, it is characterized in that, comprise signal gathering unit, processing unit and driver element, described signal gathering unit comprises for judging that vehicle arrives at a station the positioner of situation, the rocker switch corresponding with left side car door and the rocker switch corresponding with right side car door, described processing unit is a controller, and described driver element comprises the electromagnetic valve for controlling left side car door and right side car door; Controller sampling connects described positioner and rocker switch, electromagnetic valve described in control connection.
2. the control system of bus double-sided doors according to claim 1, is characterized in that, the described rocker switch corresponding with left side car door has: control the rocker switch of the whole car door in left side, control the rocker switch of left front door and control the rocker switch of left back door; The described rocker switch corresponding with right side car door has: control the rocker switch of the whole car door in right side, control the rocker switch of right front door and control the rocker switch of right-rear-door.
3. the control system of bus double-sided doors according to claim 1, is characterized in that, described signal gathering unit also comprises the sensor for detecting the speed of a motor vehicle, and described controller sampling connects described sensor.
4. the control system of bus double-sided doors according to claim 1, it is characterized in that, described driver element also comprises the RF device for controlling the gate corresponding with left side car door and the gate corresponding with right side car door, described RF device is arranged on bus, and with car door one_to_one corresponding, RF device described in described controller control connection.
5. the control system of bus double-sided doors according to claim 1, it is characterized in that, described driver element also comprises the electromagnetic valve actuator for driving corresponding solenoid valve conduction, electromagnetic valve actuator described in described controller control connection, the electromagnetic valve that described electromagnetic valve actuator control connection is corresponding.
6. the control system of bus double-sided doors according to claim 1, is characterized in that, described positioner is GPS station reporting instrument system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520290730.XU CN204754559U (en) | 2015-05-07 | 2015-05-07 | Control system of two side doors of bus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520290730.XU CN204754559U (en) | 2015-05-07 | 2015-05-07 | Control system of two side doors of bus |
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| CN204754559U true CN204754559U (en) | 2015-11-11 |
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| CN201520290730.XU Active CN204754559U (en) | 2015-05-07 | 2015-05-07 | Control system of two side doors of bus |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104863445A (en) * | 2015-05-07 | 2015-08-26 | 郑州宇通客车股份有限公司 | Method and system for controlling two side doors of bus |
| CN107060569A (en) * | 2017-04-13 | 2017-08-18 | 广东石油化工学院 | A kind of public transport safety door control system |
| CN111119652A (en) * | 2020-01-02 | 2020-05-08 | 中车株洲电力机车有限公司 | Door control system and rail vehicle |
-
2015
- 2015-05-07 CN CN201520290730.XU patent/CN204754559U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104863445A (en) * | 2015-05-07 | 2015-08-26 | 郑州宇通客车股份有限公司 | Method and system for controlling two side doors of bus |
| CN107060569A (en) * | 2017-04-13 | 2017-08-18 | 广东石油化工学院 | A kind of public transport safety door control system |
| CN111119652A (en) * | 2020-01-02 | 2020-05-08 | 中车株洲电力机车有限公司 | Door control system and rail vehicle |
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Address after: 450061 Yudao Road, Guancheng District, Zhengzhou City, Henan Province Patentee after: Yutong Bus Co.,Ltd. Address before: 450016 Yutong Industrial Zone, eighteen Li River, Henan, Zhengzhou Patentee before: ZHENGZHOU YUTONG BUS Co.,Ltd. |
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