CN206569078U - A kind of train passenger compartment illumination intelligent controller - Google Patents
A kind of train passenger compartment illumination intelligent controller Download PDFInfo
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- CN206569078U CN206569078U CN201720183868.9U CN201720183868U CN206569078U CN 206569078 U CN206569078 U CN 206569078U CN 201720183868 U CN201720183868 U CN 201720183868U CN 206569078 U CN206569078 U CN 206569078U
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Abstract
The utility model is related to a kind of train passenger compartment illumination intelligent controller, including light sensor, illumination Acquisition Circuit, luminance signal Amplification and insulation circuit, single-chip microcomputer, shift register, clock circuit and power circuit, the light sensor is at train head, and connect the input of illumination Acquisition Circuit, the output end of the illumination Acquisition Circuit connects the input of luminance signal Amplification and insulation circuit, the output end of the luminance signal Amplification and insulation circuit connects the luminance signal input of single-chip microcomputer, the illumination control signal output end of the single-chip microcomputer connects the input of shift register, the illuminating lamp in each compartment of parallel output terminal correspondence connection of the shift register, the clock circuit connects the clock signal input terminal of single-chip microcomputer, the power circuit provides operating voltage for other modules.Compared with prior art, the utility model has delays time to control function, it is to avoid the phenomenon that guest room is frequently opened and closed in the illumination short time, energy-saving benefit is good.
Description
Technical field
The utility model is related to a kind of lighting controller, more particularly, to a kind of train passenger compartment illumination intelligent controller.
Background technology
With the development of public transport cause, city underground has become one of most common way of citizens' activities, respectively
Ground government also increasingly payes attention to the construction of city underground and safeguards input.
Carlighting system is responsible for the vital task that passenger safety is ensured in the environment of luminance shortage, in train passenger traffic
Consequence is occupied in service.The illuminator of current most domestic railway car has that control mode is outmoded and letter
The problems such as breath management means falls behind, for example, train is when travelling daytime, compartment opens lamp and wastes the energy again, works as if do not turned on light
Train driving influences passenger's safe, comfortable again when entering tunnel, so the present own warp of railway car illuminator can not expire
Sufficient train is the need for the safe operation under the new situation that current Chinese Railway develops on a large scale and saving the energy.
Although existing carlighting system has part to be provided with intensity collection module, but there is also some problems, example
Such as：
Although the 1, part of the train is arranged on the communication work(of the optical controller of two drivers' cab in control loop by realization
Can, realize full train and roll behind tunnel the function of closing the conventional illumination in guest room away from completely, still, due to its control threshold value single and
Delay time not enough, at turnover ground platform or length shorter tunnel or bridge opening, equally occurs that guest room illuminates the short time
The phenomenon inside frequently opened and closed, therefore, does not open the function yet and is saved in actually operation.
2nd, existing carlighting system is single because threshold value is set, and the reason such as be not delayed substantially, and train is on turnover ground
When face platform or the shorter tunnel or bridge opening of length, it may appear that the phenomenon that guest room is frequently opened and closed in the illumination short time, frequency
Numerous switch lighting can cause the degree of comfort decreased of passenger in guest room, easily cause complaint etc., reduce operating service quality.
3rd, general optical controller detects the illumination more than threshold value, can directly close the conventional illumination in guest room, however now by
In train length head, most of train is in tunnel, and tunnel visitor's indoor illumination intensity will be reduced substantially, influence comfort level, etc..
Utility model content
The purpose of this utility model is exactly the defect in order to overcome above-mentioned prior art presence and provides a kind of train passenger compartment
Illumination intelligent controller, with delays time to control function, it is to avoid the phenomenon that guest room is frequently opened and closed in the illumination short time, section
Can be profitable.
The purpose of this utility model can be achieved through the following technical solutions：
A kind of train passenger compartment illumination intelligent controller includes light sensor, illumination Acquisition Circuit, luminance signal amplification
Isolation circuit, single-chip microcomputer, shift register, clock circuit and power circuit, the light sensor are located at train head, and
The input of illumination Acquisition Circuit is connected, the output end of the illumination Acquisition Circuit connects the defeated of luminance signal Amplification and insulation circuit
Enter end, the output end of the luminance signal Amplification and insulation circuit connects the luminance signal input of single-chip microcomputer, the single-chip microcomputer
Illumination control signal output end connects the input of shift register, and the parallel output terminal correspondence connection of the shift register is each
The illuminating lamp in compartment, the clock circuit connects the clock signal input terminal of single-chip microcomputer, and the power circuit is that other modules are carried
For operating voltage.
The illumination Acquisition Circuit includes the first operational amplifier and NPN type triode, the output of the light sensor
The input of the first operational amplifier of end connection, the output end of first operational amplifier connects the base stage of NPN type triode,
The emitter stage of the NPN type triode connects the input of luminance signal Amplification and insulation circuit.
The luminance signal Amplification and insulation circuit includes the second operational amplifier and the first photoisolator being connected, institute
The input for stating the second operational amplifier connects the output end of illumination Acquisition Circuit, and the output end of first photoisolator connects
Connect the luminance signal input of single-chip microcomputer.
It is whole that the power circuit includes DC filter, switching power source chip, transformer, the second optical coupling isolator, half-bridge
Current circuit and voltage stabilizing chip, the input connection direct-current input power supplying of the DC filter, the output end point of DC filter
The control end of other connecting valve power supply chip and the input of transformer, the output end connection Half bridge rectifier circuit of the transformer
Input, the output end of the Half bridge rectifier circuit connects one end of the second optical coupling isolator and the input of voltage stabilizing chip respectively
End, the power end of the other end connecting valve power supply chip of second optical coupling isolator, the output end of the voltage stabilizing chip is defeated
Go out operating voltage.
The light sensor is multiple, and multiple light sensors are uniformly arranged at train head.
The device also includes control panel, and the SR and working condition being respectively arranged on control panel are indicated
Lamp, the SR and working station indicator are all connected with single-chip microcomputer.
The device also includes 485 communication interface circuits, and 485 communication interface circuit is connected by the 4th optical coupling isolator
The communication signal transmissions end of single-chip microcomputer.
The device also includes the data storage card for data backup, and the data storage card connects single-chip microcomputer.
The single-chip microcomputer uses PIC16F877 type single-chip microcomputers.
The shift register uses 74HC595 type shift registers.
Compared with prior art, the utility model has advantages below：
1st, single-chip microcomputer is sent by the luminance signal collection and the lighting lamp control signal of shift register of light sensor,
Realize in time can turn off or on the illuminating lamp signal sequence in each compartment successively when train enters ground or enters underground,
So that the illumination of train passenger compartment is more saved, hommization.
2nd, by multiple light sensors being uniformly arranged, illumination Acquisition Circuit can accurately obtain train into ground or
Person enters the intensity of illumination average of underground, it is to avoid occurs passing through because of around train, cause frequently control to be shone shield portions light
The phenomenon of bright lamp open and close.
3rd, luminance signal Amplification and insulation circuit further amplifies and isolation interference signal to the luminance signal of collection, improves dress
Put the reliability of work.
4th, single-chip microcomputer selects PIC16F877 type single-chip microcomputers, has abundant peripheral hardware to realize the application of a variety of functions, together
When can have the advantages that low in energy consumption with outer extension memory.
5th, external clock circuit can provide high precision clock for control device, to ensure the control of interior vehicular illumination lamp
The degree of accuracy of time.
Forced resetting when the 6th, can realize that device crashes by setting SR works, while working station indicator
The normal operating conditions that device can be achieved is indicated and fault alarm instruction so that intelligent controlling device is practical.
7th, 485 communication interface circuits realize the serial communication of single-chip microcomputer and host computer, are easy to test and maintenance.
8th, data storage card causes control device to have data redundancy function, after the damage of former storage chip, Energy-saving Data
It will not lose.
9th, because train uses conventional fluorescent, if frequently switch easily causes fluorescent tube loss aggravation, life-span
Serious curtailment, increases the maintenance cost of operation.Aggravation is lost using face conventional fluorescent fluorescent tube is kept away after this intelligent controlling device
Phenomenon occurs, and reduces the maintenance cost of operation.
10th, frequently switch lighting can cause the degree of comfort decreased of passenger in guest room, easily cause complaint etc., reduction operation
Service quality, with causing guest room illumination to be in metastable state after this intelligent controlling device, improves the comfort level of passenger,
Suitable improves operating service quality.
11st, this intelligent controlling device uses single drivers' cab set-up mode, compared to double drivers' cab class optical controllers, knot
Structure is simple, low manufacture cost, it is easy to popularization and application.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model；
Fig. 2 is the schematic diagram of illumination Acquisition Circuit；
Fig. 3 is the schematic diagram of luminance signal Amplification and insulation circuit；
Fig. 4 is the circuit diagram of DC filter in power circuit；
Fig. 5 is the circuit diagram of DC-DC conversion output 12V parts in power circuit；
Fig. 6 is the circuit diagram of DC-DC conversion output 5V parts in power circuit；
Fig. 7 is single-chip microcomputer and the schematic diagram of peripheral circuits；
Fig. 8 is the schematic diagram of clock circuit；
Fig. 9 is the circuit diagram of shift register；
Figure 10 is the schematic diagram of 485 communication interface circuits.
In figure：101st, light sensor, 102, illumination Acquisition Circuit, 103, luminance signal Amplification and insulation circuit, 104, single
Piece machine, 105, shift register, 106, clock circuit, 107, power circuit, 108, illuminating lamp, 109,485 communication interface circuits,
110th, host computer.
Embodiment
The utility model is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with the utility model
Implemented premised on technical scheme, give detailed embodiment and specific operating process, but guarantor of the present utility model
Shield scope is not limited to following embodiments.
As shown in figure 1, a kind of train passenger compartment illumination intelligent controller includes light sensor 101, illumination Acquisition Circuit
102nd, luminance signal Amplification and insulation circuit 103, single-chip microcomputer 104, shift register 105, clock circuit 106 and power circuit 107,
Light sensor 101 connects the input of illumination Acquisition Circuit 102 at the train head, illumination Acquisition Circuit 102 it is defeated
Go out the input of end connection luminance signal Amplification and insulation circuit 103, the output end connection of luminance signal Amplification and insulation circuit 103 is single
The luminance signal input of piece machine 104, the illumination control signal output end of single-chip microcomputer 104 connects the input of shift register 105
End, the illuminating lamp 108 in each compartment of parallel output terminal correspondence connection of shift register 105, the connection single-chip microcomputer of clock circuit 106
104 clock signal input terminal, power circuit 107 provides operating voltage for other modules, the light gathered when light sensor 101
Exceed illumination threshold value according to signal, the control shift register 105 of single-chip microcomputer 104 sends the control signal of illuminating lamp 108, realized in train
The signal sequence of illuminating lamp 108 in each compartment can be turned off or on successively in time into ground or when entering underground so that row
The illumination of car guest room is more saved, hommization.
As shown in Fig. 2 illumination Acquisition Circuit 102 includes the first operational amplifier U1, NPN type triode Q1 and resistance
Light sensor 101 uses photodiode LEA, the first operational amplifier in R1-R6, electric capacity C1, diode D1, the present embodiment
The 5V voltages that U1 model LF412, photodiode LEA positive pole connection power circuit 107 are provided, photodiode LEA
Negative pole connect the first operational amplifier U1 the 2nd pin, the first operational amplifier U1 the 3rd pin is through resistance R5 connections NPN
Type triode Q1 base stage, NPN type triode Q1 emitter stage is through diode D1 connection luminance signal Amplification and insulations circuit 103
Input, the signal that illumination Acquisition Circuit 102 is exported is labeled as OUTMA.
Light sensor 101 is multiple, and multiple light sensors 101 are uniformly arranged at train head, by multiple equal
The light sensor 101 that cloth is set, illumination Acquisition Circuit 102 can accurately obtain train and enter ground or enter the light of underground
According to strength mean value, it is to avoid occur passing through because of around train, cause frequently to control the open and close of illuminating lamp 108 shield portions light
Phenomenon, two light sensors 101 are symmetrical arranged at the windshield of train head in the present embodiment.
As shown in figure 3, further amplification and the isolation interference of the luminance signal of 103 pairs of collections of luminance signal Amplification and insulation circuit
The second computing is put in signal, including the second operational amplifier U2, the first photoisolator U3 and resistance R7-R12, the present embodiment
Big device U2 model LM358, the second operational amplifier U2 the 3rd pin are through the defeated of resistance R7 connection illumination Acquisition Circuit 102
Go out signal OUTMA the second operational amplifier U2 of input that end, i.e. illumination Acquisition Circuit 102 are exported, the first photoisolator U3's
1st pin of 1st pin through resistance R11 the second operational amplifiers of connection U2, the first photoisolator U3 the 3rd pin connection is single
The signal mark that luminance signal Amplification and insulation circuit 103 in the luminance signal input of piece machine 104, the present embodiment all the way is exported
For AD1A, the signal of the output on another road is labeled as AD2A.
As Figure 4-Figure 6, power circuit 107 includes three parts successively：DC filter, DC-DC conversion output 12V parts
Exported with DC-DC conversion in 5V parts, Fig. 4, DC filter includes resistance R13-14, electric capacity C2-C9, inductance L1-L2 and two
Direct-current input power supplying 110V on pole pipe D2, train is sequentially passed through in DC filter output DC voltage ± DC, Fig. 5, DC-DC
Conversion output 12V part include switching power source chip U5, transformer T1, the second optical coupling isolator U6, Half bridge rectifier circuit and
Electric capacity C10-C24, diode D3-D8, resistance R15-R21, inductance L3-L5, triode Q3, wherein transformer T1 secondary windings
The diode D6 of output end connection constitutes Half bridge rectifier circuit, and switching power source chip U5 model VIP22A, DC-DC conversion is defeated
Going out 5V parts includes voltage stabilizing chip U7 and diode D9, electric capacity C25-C26, inductance L6, voltage stabilizing chip U7 model
LM2575, DC filter output DC voltage+DC through diode D3, D4, electric capacity C13 connection transformers T1 armature winding
With switching power source chip U5 5-8 pins, the diode D6 difference of transformer T1 secondary windings through Half bridge rectifier circuit the
Two optical coupling isolator U6 the 2nd pin and voltage stabilizing chip U7 the 1st pin, the second optical coupling isolator U6 the 3rd pin connection are opened
Powered-down source chip U7 the 3rd pin, voltage stabilizing chip U7 the 2nd pin output services voltage+5V, diode D6 and voltage stabilizing chip U7
Between circuit be used to realize DC filtering, high-precision operating voltage+5V, the operating voltage are finally exported by voltage stabilizing chip U7
+ 5V is that other modular circuits improve level VC etc..
As shown in fig. 7, in the present embodiment single-chip microcomputer 104 using PIC16F877 types singlechip chip U8, chip U8 the 2nd,
3 pins connect single-chip microcomputer as luminance signal input, luminance signal AD1A and AD2A by resistance R22, R23, C27-C30
104 luminance signal input, the 15th pin as reset signal end, the 23rd, 27,28 pins be illumination control signal output
End, 24-26 pins are communication signal transmissions end, and 16-18 pins are clock signal input terminal.PIC16F877 type single-chip microcomputers
104 chip U8 have abundant peripheral hardware to realize the application of a variety of functions, while can be low with power consumption with outer extension memory
Advantage.
As shown in figure 8, clock circuit 106 includes clock chip U9, battery VB, electric capacity C31-32, crystal oscillator X1, resistance 25-
R27, wherein clock chip U9 model DS1302, when external clock circuit 106 can provide high accuracy for control device
Clock, with the degree of accuracy for the control time for ensureing interior vehicular illumination lamp 108.
Fig. 9 show shift register 105 and its peripheral circuits, including the chip of 74HC595 types shift register 105
U10, resistance R28-R35, chip U10 the 11st, 12,14 pins connect single-chip microcomputer 104 illumination control signal output end, 3-
7 pins then connect the illuminating lamp 108 in each compartment, realize illuminating lamp 108 in each compartment order delayed start-up successively, reach section
LED1-LED5 represents the illuminating lamp 108 in each compartment in the effect of energy environmental protection, Fig. 9.
The device also includes control panel and SR SW1 and working station indicator on control panel, multiple
Position button SW1 and working station indicator are all connected with single-chip microcomputer 104, as shown in fig. 7, SR SW1 one end is through resistance R24
High level VC is connected, the SR SW1 other end connects the reset signal end of single-chip microcomputer 104, by setting SR SW1
Forced resetting work when device crashes can be realized, while working station indicator can realize that the normal operating conditions of device refers to
Show and fault alarm is indicated.
The device also includes the communication interface circuit 109 of 485 communication interface circuit 109,485 and connected by the 4th optical coupling isolator
The communication signal transmissions end of single-chip microcomputer 104 is connect, 485 communication interface circuits 109 are as shown in Figure 10, including optical coupling isolator U11-
U13, Serial Port Transmission chip U14, resistance R36-R46, diode D10-D12, Serial Port Transmission chip U14 use MAX487 chips,
Optical coupling isolator U11-U13 model 6N137, realizes the serial communication of single-chip microcomputer 104 and host computer 110, be easy to test with
Maintenance, when train drives into ground line by underground line, intelligent controlling device answers the conventional illumination in time-delay closing guest room, it is ensured that train
The conventional illumination in guest room is just closed in whole compartments when driving into ground, delay time can pass through between 0-180 seconds according to the actual requirements
Host computer 110 is adjusted, while illumination threshold value can also be adjusted by host computer 110, V485 and G485 represent 485 respectively in Figure 10
High level and ground terminal in communication interface circuit 109.
The device also includes the data storage card for data backup, data storage card connection single-chip microcomputer 104, data storage
Card causes control device to have data redundancy function, and after the damage of former storage chip, Energy-saving Data will not be lost.
Claims (10)
1. a kind of train passenger compartment illumination intelligent controller, it is characterised in that including light sensor (101), illumination collection electricity
Road (102), luminance signal Amplification and insulation circuit (103), single-chip microcomputer (104), shift register (105), clock circuit (106) and
Power circuit (107), the light sensor (101) connects the input of illumination Acquisition Circuit (102) at train head
End, the input of the output end connection luminance signal Amplification and insulation circuit (103) of the illumination Acquisition Circuit (102), the light
According to the luminance signal input of the output end connection single-chip microcomputer (104) of signal Amplification and insulation circuit (103), the single-chip microcomputer
(104) illumination control signal output end connection shift register (105) input, the shift register (105) and
The illuminating lamp (108) in each compartment of row output end correspondence connection, the clock letter of clock circuit (106) the connection single-chip microcomputer (104)
Number input, the power circuit (107) provides operating voltage for other modules.
2. a kind of train passenger compartment illumination intelligent controller according to claim 1, it is characterised in that the illumination collection
Circuit (102) includes the first operational amplifier and NPN type triode, the output end connection first of the light sensor (101)
The input of operational amplifier, the output end of first operational amplifier connects the base stage of NPN type triode, the NPN type
The input of the emitter stage connection luminance signal Amplification and insulation circuit (103) of triode.
3. a kind of train passenger compartment illumination intelligent controller according to claim 1, it is characterised in that the luminance signal
Amplification and insulation circuit (103) includes the second operational amplifier and the first photoisolator being connected, second operation amplifier
The output end of the input connection illumination Acquisition Circuit (102) of device, the output end connection single-chip microcomputer of first photoisolator
(104) luminance signal input.
4. a kind of train passenger compartment illumination intelligent controller according to claim 1, it is characterised in that the power circuit
(107) DC filter, switching power source chip, transformer, the second optical coupling isolator, Half bridge rectifier circuit and voltage stabilizing core are included
Piece, the input connection direct-current input power supplying of the DC filter, the output end difference connecting valve power supply of DC filter
The control end of chip and the input of transformer, the output end of the transformer connect the input of Half bridge rectifier circuit, described
The output end of Half bridge rectifier circuit connects one end of the second optical coupling isolator and the input of voltage stabilizing chip, second light respectively
The power end of the other end connecting valve power supply chip of coupling isolator, the output end output services voltage of the voltage stabilizing chip.
5. a kind of train passenger compartment illumination intelligent controller according to claim 1, it is characterised in that the light sensor
Device (101) is multiple, and multiple light sensors (101) are uniformly arranged at train head.
6. a kind of train passenger compartment illumination intelligent controller according to claim 1, it is characterised in that the device also includes
Control panel, and the SR and working station indicator being respectively arranged on control panel, the SR and work
Status indicator lamp is all connected with single-chip microcomputer (104).
7. a kind of train passenger compartment illumination intelligent controller according to claim 1, it is characterised in that the device also includes
485 communication interface circuits (109), 485 communication interface circuit (109) connects single-chip microcomputer by the 4th optical coupling isolator
(104) communication signal transmissions end.
8. a kind of train passenger compartment illumination intelligent controller according to claim 1, it is characterised in that the device also includes
For the data storage card of data backup, the data storage card connection single-chip microcomputer (104).
9. a kind of train passenger compartment illumination intelligent controller according to claim 1, it is characterised in that the single-chip microcomputer
(104) PIC16F877 type single-chip microcomputers are used.
10. a kind of train passenger compartment illumination intelligent controller according to claim 1, it is characterised in that the displacement is posted
Storage (105) uses 74HC595 type shift registers.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720183868.9U CN206569078U (en) | 2017-02-28 | 2017-02-28 | A kind of train passenger compartment illumination intelligent controller |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720183868.9U CN206569078U (en) | 2017-02-28 | 2017-02-28 | A kind of train passenger compartment illumination intelligent controller |
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| CN206569078U true CN206569078U (en) | 2017-10-20 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108770121A (en) * | 2018-06-06 | 2018-11-06 | 西南交通大学 | A kind of bullet train illumination comfortableness control system and method |
| CN109828480A (en) * | 2017-11-23 | 2019-05-31 | 株洲中车时代电气股份有限公司 | A kind of train enters the station lighting system |
| CN110505734A (en) * | 2019-08-15 | 2019-11-26 | 武汉亿力九鼎智能科技有限公司 | A kind of double lamp controllers of UVLED ultraviolet curing lamp |
| CN113597064A (en) * | 2020-04-30 | 2021-11-02 | 比亚迪汽车工业有限公司 | Illumination control system and method, storage medium, and control device |
-
2017
- 2017-02-28 CN CN201720183868.9U patent/CN206569078U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109828480A (en) * | 2017-11-23 | 2019-05-31 | 株洲中车时代电气股份有限公司 | A kind of train enters the station lighting system |
| CN109828480B (en) * | 2017-11-23 | 2020-11-17 | 株洲中车时代电气股份有限公司 | Train arrival lighting system |
| CN108770121A (en) * | 2018-06-06 | 2018-11-06 | 西南交通大学 | A kind of bullet train illumination comfortableness control system and method |
| CN110505734A (en) * | 2019-08-15 | 2019-11-26 | 武汉亿力九鼎智能科技有限公司 | A kind of double lamp controllers of UVLED ultraviolet curing lamp |
| CN113597064A (en) * | 2020-04-30 | 2021-11-02 | 比亚迪汽车工业有限公司 | Illumination control system and method, storage medium, and control device |
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