CN209366139U - Locomotive electric cad system control system - Google Patents
Locomotive electric cad system control system Download PDFInfo
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- CN209366139U CN209366139U CN201821572815.7U CN201821572815U CN209366139U CN 209366139 U CN209366139 U CN 209366139U CN 201821572815 U CN201821572815 U CN 201821572815U CN 209366139 U CN209366139 U CN 209366139U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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Abstract
The utility model embodiment provides a kind of locomotive electric cad system control system, which includes: major loop, control unit, power supply unit, and major loop includes: the first traction unit, the first brake unit, the second traction unit and the second brake unit；Wherein, power supply unit is connect with the first traction unit, the first brake unit, the second traction unit, the second brake unit respectively, and the first traction unit is connect with the first brake unit, the second traction unit and control unit respectively；Second traction unit is connect with the second brake unit.Locomotive electric cad system control system provided by the embodiment of the utility model, when the first traction unit breaks down, the second traction unit can still drive the operation of locomotive, and the perfect hauling ability of locomotive effectively reduces failure rate.
Description
Technical field
The utility model relates to a kind of field of locomotive control more particularly to a kind of locomotive electric cad system control systems.
Background technique
Locomotive electric cad system system supplies direct current by battery (or super capacitor), and direct current is converted by traction frequency convertor
Voltage drives traction motor with the adjustable three-phase alternating current of frequency, and then drives locomotive operation.
In the prior art, locomotive electric cad system control system is controlled and is drawn to entire locomotive by the way of one drag two.
Specifically, locomotive electric cad system control system provides 540V direct current by battery, one is directly fed after 630A large-scale air switch
Platform traction frequency convertor, by traction frequency convertor pass through frequency control, be reverse into 380V alternating current respectively drive two 110kW or
160KW alternating current asynchronous traction motor.
But using the prior art, when traction frequency convertor failure, entire locomotive electric cad system control system cannot normal work
Make, the hauling ability of locomotive is not perfect, high failure rate.
Utility model content
The utility model embodiment provides a kind of locomotive electric cad system control system, solves the prior art, only one traction
Frequency converter, when traction frequency convertor failure, entire locomotive electric cad system control system cisco unity malfunction, and then influence the normal of locomotive
The problem of operation.
In a first aspect, the utility model embodiment provides a kind of locomotive electric cad system control system, comprising: major loop, control are single
Member, power supply unit, the major loop include: the first traction unit, the first brake unit, the second traction unit and the second braking
Unit；
Wherein, the power supply unit is drawn with first traction unit, first brake unit, described second respectively
Unit, second brake unit connection, first traction unit are drawn with first brake unit, described second respectively
Unit is connected with described control unit；Second traction unit is connect with second brake unit；
Described control unit is used to control the operation of first traction unit and/or second traction unit；
First brake unit is used to control the DC bus-bar voltage of the first traction unit of input；
Second brake unit is used to control the DC bus-bar voltage of the second traction unit of input；
First traction unit and/or second traction unit are used to drive the operation of locomotive.
In a kind of possible design, further includes: auxiliary circuit, the auxiliary circuit are connect with power supply unit；
The auxiliary circuit is used to provide wind regime to first brake unit and second brake unit.
In a kind of possible design, further includes: DC conversion unit, lighting unit and monitoring unit；
The DC conversion unit is connect with the power supply unit, the lighting unit and the monitoring unit respectively；
The DC conversion unit is used to the high voltage direct current that power supply unit exports being converted into low-voltage DC, to described
Lighting unit and monitoring unit power supply；
The lighting unit, which is used to operate normally to the locomotive, provides light source；
The monitoring unit is used to monitor the operating status of the locomotive.
In a kind of possible design, the power supply unit includes: battery and air switch, the battery and described
Air switch connection, the air switch are connect with the major loop, the auxiliary circuit, the DC conversion unit respectively.
In a kind of possible design, first traction unit includes:
First traction frequency convertor and the first traction motor, first traction frequency convertor respectively with the power supply unit,
First brake unit is connected with first traction motor.
In a kind of possible design, first traction unit further includes
Velocity sensor, the velocity sensor respectively with first traction frequency convertor and first traction motor
Connection；
The velocity sensor is used to detect the speed of service of the locomotive.
In a kind of possible design, second traction unit includes:
Second traction frequency convertor and two traction motors, second traction frequency convertor respectively with the power supply unit, institute
The first brake unit is stated to connect with second traction motor.
In a kind of possible design, the auxiliary circuit, comprising:
The small frequency converter of air compressor machine and air compressor motor；
The small frequency converter of air compressor machine is connect with the air switch and the air compressor motor respectively.
In a kind of possible design, the DC conversion unit includes:
First direct current transducer, fuse and switch, first direct current transducer are connected with the fuse, the guarantor
Dangerous silk and switch connection.
In a kind of possible design, the monitoring unit includes:
Second direct current transducer, preceding camera, rear camera and display screen；
The preceding camera, the rear camera are connected with the display screen with the DC conversion unit, the display
Screen is also connect with the preceding camera and the rear camera respectively.
Locomotive electric cad system control system provided in this embodiment, comprising: major loop, control unit, power supply unit, major loop packet
It includes: the first traction unit, the first brake unit, the second traction unit and the second brake unit；Wherein, power supply unit respectively with
First traction unit, the first brake unit, the second traction unit, the connection of the second brake unit, the first traction unit is respectively with the
One brake unit, the second traction unit are connected with control unit；Second traction unit is connect with the second brake unit.This is practical new
The locomotive electric cad system control system that type embodiment provides, when the first traction unit breaks down, the second traction unit can still be driven
The operation of motivation vehicle, the perfect hauling ability of locomotive, effectively reduces failure rate.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is
Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic diagram one of locomotive electric cad system control system provided by the embodiment of the utility model；
Fig. 2 is the schematic diagram two of locomotive electric cad system control system provided by the embodiment of the utility model；
Fig. 3 is the circuit structure diagram one of locomotive electric cad system control system provided by the embodiment of the utility model；
Fig. 4 is the circuit structure diagram two of locomotive electric cad system control system provided by the embodiment of the utility model.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
Fig. 1 is the schematic diagram one of locomotive electric cad system control system provided by the embodiment of the utility model, as shown in Fig. 1, this reality
It include: major loop 11, control unit 12, power supply unit 13, major loop with the locomotive electric cad system control system that new embodiment provides
11 include: the first traction unit 111, the first brake unit 112, the second traction unit 113 and the second brake unit 114；
Wherein, power supply unit 13 respectively with the first traction unit 111, the first brake unit 112, the second traction unit 113,
Second brake unit 114 connection, the first traction unit 111 respectively with the first brake unit 112, the second traction unit 113 and control
Unit 12 processed connects；Second traction unit 113 is connect with the second brake unit 14.
Power supply unit can be battery, or super capacitor, specific implementation side of the present embodiment to power supply unit
Formula is not specially limited.Optionally, power supply unit can provide the high voltage direct current of 540V, can also make the high pressure of other amplitudes
Direct current.The high voltage direct current that power supply unit provides is used to power to major loop and control unit.
Major loop is for drawing locomotive.Specifically, in the present embodiment, major loop include: the first traction unit,
First brake unit, the second traction unit and the second brake unit.
Wherein, the first traction unit and/or the second traction unit are used to drive the operation of locomotive.Optionally, the first traction
Unit and the second traction unit are connected by CAN communication interface.CAN communication is that general a kind of communication in industry and automobile is total
Line technology is connected by both threads, according to the standard read/write data of CAN communication, it then follows same agreement, with identical baud rate
Sending and receiving data.Every frame data include 0-8 byte and ID and cyclic redundancy check etc..CAN communication has communication speed fast, and distance is remote,
And the advantages of high reliablity.
Brake unit is mainly used in controlling mechanical load than occasion heavier, that retro-speed requirement is very fast, by the
Regenerative electric energy caused by one traction unit and/or the second traction unit consumes, or regenerative electric energy is fed back to power supply
Unit.
Specifically, the DC bus-bar voltage that the first brake unit is used to control the first traction unit of input is in and stablizes shape
State enables the first traction unit to operate normally.Optionally, the first brake unit can be by high power transistor GTR and its drive
Dynamic circuit composition.
Second brake unit is similar with the effect of the first brake unit and circuit composition, and this will not be repeated here.
Control unit is used to control the operation of the first traction unit and/or the second traction unit.Optionally, control unit and
First traction unit is connected by MODBUS communication interface, and control unit is by MODBUS communication interface to the first traction unit
Send instruction, control the first traction unit operation.Control unit and the second traction unit control unit pass through the first traction unit
It is indirectly connected with, control unit sends instructions to the first traction unit, then is sent to by the first traction unit by CAN communication interface
Second traction unit, control the second traction unit operation.Control unit can be Digital Signal Processing dsp chip, or
Programmable controller PLC, the present embodiment are not particularly limited the specific implementation of control unit.
Locomotive electric cad system control system provided in this embodiment, comprising: major loop, control unit, power supply unit, major loop packet
It includes: the first traction unit, the first brake unit, the second traction unit and the second brake unit；Wherein, power supply unit respectively with
First traction unit, the first brake unit, the second traction unit, the connection of the second brake unit, the first traction unit is respectively with the
One brake unit, the second traction unit are connected with control unit；Second traction unit is connect with the second brake unit.This is practical new
The locomotive electric cad system control system that type embodiment provides, when the first traction unit breaks down, the second traction unit can still be driven
The operation of motivation vehicle, the perfect hauling ability of locomotive, effectively reduces failure rate.
Fig. 2 is the schematic diagram two of locomotive electric cad system control system provided by the embodiment of the utility model, as shown in Fig. 2, this reality
The locomotive electric cad system control system provided with new embodiment is on the basis of Fig. 1 embodiment further include: auxiliary circuit 14, direct current conversion
Unit 15, lighting unit 16 and monitoring unit 17, wherein
Auxiliary circuit 14 is connect with power supply unit 13；DC conversion unit 15 respectively with power supply unit 13, lighting unit 16 and
Monitoring unit 17 connects.
Optionally, auxiliary circuit includes air compressor motor, and whens auxiliary loop works can beat wind for the storage cylinder of locomotive, to first
Brake unit and the second brake unit provide wind regime, and the first brake unit and the second brake unit is avoided to cause to damage because of overheat
It is bad.
Optionally, DC conversion unit includes the first direct current transducer, the high voltage direct current for exporting power supply unit
It is converted into low-voltage DC, is powered to lighting unit and monitoring unit.It can by the low-voltage DC that DC conversion unit converts
Think 24V, or 12V, the present embodiment are not specifically limited.
Optionally, lighting unit includes headlight, back light and warning lamp etc., for normally providing light source, guarantee machine to locomotive
The normal operation of vehicle.
Optionally, monitoring unit includes the second direct current transducer, camera and display screen, and monitoring unit is for monitoring locomotive
Operating status.
Locomotive electric cad system control system provided in this embodiment, further includes: auxiliary circuit, DC conversion unit, lighting unit and
Monitoring unit, wherein auxiliary circuit is connect with power supply unit；DC conversion unit is single with power supply unit, lighting unit and monitoring respectively
Member connection.Locomotive electric cad system control system provided by the embodiment of the utility model can provide wind regime for the brake unit of locomotive, and
And can be locomotive operation light source, monitor the operating status of locomotive, it is ensured that the normal operation of locomotive.
Below with reference to specific embodiment, to the particular circuit configurations of locomotive electric cad system control system provided by the above embodiment
It elaborates.Fig. 3 is the electrical block diagram one of locomotive electric cad system control system provided by the embodiment of the utility model, is such as schemed
Shown in 3, power supply unit 13 specifically includes battery 131, air switch 132, and battery 131 and air switch 132 connect；
First traction unit 111 includes the first traction frequency convertor 1111, the first traction motor 1112 and velocity sensor
1113, the first traction frequency convertor 1111 respectively with air switch 132, the first brake unit 112 and the first traction motor 1112
Connection, velocity sensor 1113 are connect with the first traction frequency convertor 1111 and the first traction motor 1112 respectively；
Second traction unit 113 includes the second traction frequency convertor 1131 and the second traction motor 1132, and the second traction becomes
Frequency device 1131 is connect with air switch 132, the second brake unit 114 and the second traction motor 1132 respectively；
Auxiliary circuit 14 include the small frequency converter 141 of air compressor machine and air compressor motor 142, the small frequency converter 141 of air compressor machine respectively and
Air switch 132 and air compressor motor 142 connect；
Control unit 12 includes programmable controller 121 and touch screen 122, and programmable controller 121 is led with first respectively
Draw frequency converter 1111, touch screen 122 connects.
The course of work of the circuit of locomotive electric cad system control system provided by the embodiment of the utility model is done specifically below
Bright: the 540V high voltage direct current that battery 131 exports flows to air switch 132 by electrical signal line 101 and ground wire 102, to whole
The circuit of a locomotive electric cad system control system included.Air switch also known as air-break circuit-breaker, electric current is more than specified electricity in circuit
Stream can disconnect automatically, and protect in short circuit, heavy overload and the under-voltage etc. that circuit or electrical equipment occur to circuit.
Air switch 132 is closed under normal operating conditions, and after air switch 132, high voltage direct current flows into first and leads
Draw frequency converter 1111 and the first brake unit 112, high voltage direct current passes through 1111 frequency control of the first traction frequency convertor, is reverse into
380V three-phase alternating current makes locomotive operation to drive the first traction motor 1112, then by reduction gearbox transmission.Optionally, first
Traction motor 1112 is 220kW or 320KW alternating current asynchronous traction motor.Velocity sensor 1113 is in locomotive operation process
The speed of middle real-time measurement locomotive driving.
When the locomotive deceleration in traveling even stop or the locomotive speed of descent run need to keep stablizing, stagnation of movement
Locomotive when needing to remain stationary, the first brake unit 112 is started to work.Electricity is braked in first brake unit, 112 loong shunt first
Resistance 1121.When first traction motor 1112 slows down under the effect of external force, the first traction motor 1112 is transported with generating state
Row, generates regeneration energy, and the three-phase alternating current electromotive force that the first traction motor 1112 generates is inverse by the first traction frequency convertor 1111
The three-phase full-controlled bridge rectification for becoming six freewheeling diodes composition of part, makes DC bus-bar voltage in the first traction frequency convertor 1111
It is lasting to increase.When DC bus-bar voltage reaches the cut-in voltage of the first brake unit 112,112 power of the first brake unit is opened
Guan Kaitong is closed, electric current flows through the first braking resistor 1121.
First braking resistor 1121 discharges heat, absorption and regeneration energy, and 1112 revolving speed of the first traction motor declines, and first
1111 DC bus-bar voltage of traction frequency convertor reduces.When DC bus-bar voltage, which drops to the first brake unit 112, stops voltage, the
The power tube of one brake unit 112 turns off.The first braking resistor 1121, the first braking resistor are flowed through without stalling current at this time
1121, in natural heat dissipation, reduce own temperature.When the voltage of DC bus increases again, and the first brake unit 112 is made to work,
Above procedure will be repeated, the DC bus-bar voltage of the first traction frequency convertor 1111 is balanced, makes the first traction frequency convertor 1111 and the
One traction motor 1112 operates normally, and then ensures the normal operation of locomotive.
Likewise, the 540V high voltage direct current that battery 131 exports flows to air by electrical signal line 101 and ground wire 102
Switch 132, air switch 132 is closed under normal operating conditions, and after air switch 132, high voltage direct current flows into second and leads
Draw frequency converter 1131 and the second brake unit 114, high voltage direct current passes through 1111 frequency control of the first traction frequency convertor, is reverse into
380V three-phase alternating current makes locomotive operation to drive the second traction motor 1132, then by reduction gearbox transmission.Optionally, second
Traction motor 1132 is 220kW or 320KW alternating current asynchronous traction motor.When the even parking of the locomotive deceleration in traveling, or
When the locomotive speed of person's descent run needs to keep stablizing, the locomotive of stagnation of movement needs to remain stationary, the second brake unit 114 is opened
Beginning work.Second brake unit, 114 the second braking resistor of loong shunt 1141.Second traction motor 1132 is under the effect of external force
When deceleration, the second traction motor 1132 is run with generating state, generates regeneration energy, what the second traction motor 1132 generated
The three-phase full-controlled bridge that three-phase alternating current electromotive force is formed by six freewheeling diodes of 1131 Converting Unit of the second traction frequency convertor is whole
Stream, increases DC bus-bar voltage in the second traction frequency convertor 1131 persistently.When DC bus-bar voltage reaches the second brake unit
When 114 cut-in voltage, 114 power switch tube of the second brake unit is open-minded, and electric current flows through the second braking resistor 1141.
Second braking resistor 1141 discharges heat, absorption and regeneration energy, and 1132 revolving speed of the second traction motor declines, and second
1131 DC bus-bar voltage of traction frequency convertor reduces.When DC bus-bar voltage, which drops to the second brake unit 114, stops voltage, the
The power tube of two brake units 114 turns off.The second braking resistor 1141, the second braking resistor are flowed through without stalling current at this time
1141, in natural heat dissipation, reduce own temperature.When the voltage of DC bus increases again, and the second brake unit 114 is made to work,
Above procedure will be repeated, the DC bus-bar voltage of the second traction frequency convertor 1131 is balanced, makes 1131 He of the second machine leader frequency converter
Second traction motor 1132 operates normally, and then ensures the normal operation of locomotive.
Auxiliary circuit 14 directly provides 540V direct current by battery 131, enters the small frequency conversion of air compressor machine by air switch 132
Device 141.High voltage direct current is converted into adjustable alternating current by the small frequency converter 141 of air compressor machine, thus to drive air compressor motor
142 drive air compressor machines are that locomotive storage cylinder beats wind, are the first brake unit 112, the first braking resistor 1121, the second brake unit
114 and second braking resistor 1141 provide wind regime, make the first brake unit 112, the first braking resistor 1121, the second brake unit
114 and the second preferably heat dissipation of braking resistor 1141.
Control unit 12 carries out real-time monitoring and control to the operation of locomotive.Control unit 12 includes programmable controller
121 and touch screen 122, programmable controller 121 connect respectively with the first traction frequency convertor 1111, touch screen 122.Optionally,
Touch screen 122 shows that first leads to entire locomotive electric cad system control system and locomotive operation situation using 10 cun of touch screens
Draw between frequency converter 1111 and programmable controller 121 using MODBUS communicate carry out data exchange and the transmission of order.
When locomotive brings into operation, programmable controller 121 sends instruction, is led by passing to first to MODBUS communication
Draw frequency converter 1111, control the first traction frequency convertor 1111 work.The first traction frequency convertor 1111 will instruct and be led to by CAN simultaneously
News pass to the second traction frequency convertor 1131, and the second traction frequency convertor 1131 of control is started to work.
When the first traction frequency convertor 1111 breaks down, the fault message of the first traction frequency convertor will pass through MODBUS
Communication feeds back to programmable controller 121, and programmable controller 121 sends instructions to the first traction frequency convertor 1111, makes first
Traction frequency convertor 1111 stops working.At this point, the second traction frequency convertor 1131 works normally, it is ensured that the normal operation of locomotive.
When locomotive stops, programmable controller 121 sends instructions to the first traction frequency convertor 1111, becomes the first traction
Frequency device 1111 stops working.Meanwhile first traction frequency convertor 1111 by instruction by CAN communicate pass to the second traction frequency conversion
Device 1131, the second traction frequency convertor 1131 of control stop working.
Locomotive electric cad system control system provided in this embodiment, power supply unit specifically include battery, air switch, battery
It is connected with air switch；First traction unit include the first traction frequency convertor, the first traction motor and velocity sensor, first
Traction frequency convertor is connect with air switch, the first brake unit and the first traction motor respectively, and velocity sensor is respectively with
One traction frequency convertor and the connection of the first traction motor；Second traction unit includes that the second traction frequency convertor and the second traction are electronic
Machine, the second traction frequency convertor are connect with air switch, the second brake unit and the second traction motor respectively；Control unit includes
Programmable controller and touch screen, programmable controller are connect with the first traction frequency convertor, touch screen respectively.The present embodiment provides
Locomotive electric cad system control system, when the first traction frequency convertor breaks down, the second tractor work normally, still can be with driving machine
The operation of vehicle, the perfect hauling ability of locomotive, effectively reduces failure rate.
Further, locomotive electric cad system control system provided in this embodiment, improves locomotive intelligence degree, can be well
It is connect with external device.And changing hardware controls is software control, increases the I/O of CAN communication and MODBUS communication interface
Mouthful, the security performance of locomotive is improved, customer demand is preferably adapted to.
Fig. 4 is the electrical block diagram two of locomotive electric cad system control system provided by the embodiment of the utility model.This implementation
Example is on the basis of Fig. 3 embodiment further include: DC conversion unit 15, lighting unit 16 and monitoring unit 17.As shown in figure 4,
First DC conversion unit 15 includes the first direct current transducer 151, fuse 152 and small switch 153, the first direct current transducer
151 connect with air switch 132 and fuse 152 respectively, and small switch 153 and fuse 152 connect；
Lighting unit 16 include be connected in parallel accessory power supply indicator light 161, headlight 162, back light 163, warning lamp 164,
Loudspeaker 165, ceiling light 166 and fan 167, accessory power supply indicator light 161 and switch 153 are connected in parallel；
Monitoring unit 17 includes the second direct current transducer 171, preceding camera 172, rear camera 173 and display screen 174, the
Two direct current transducers 171 are connected with small switch 153, preceding camera 172, rear camera 173 and display screen 174 by power supply line respectively
It connects, display screen 174 is also connect with preceding camera 172 and rear camera 173 by signal wire respectively.
The course of work of the circuit of locomotive electric cad system control system provided by the embodiment of the utility model is done specifically below
Bright: the first direct current transducer 151 will be converted to the low-voltage DC of 24V by the high voltage direct current of air switch 132, then pass through
153 pairs of subsequent conditioning circuits of fuse 152 and small switch are crossed to carry out protecting that fuse 152 and small switch 153 under money is normally asked to be closed,
When circuit, which powers on, flows through big, fuse 152 fuses, and small switch 153 disconnects, and protects to circuit.
It supplies electricity to lighting unit 16 by the low-voltage direct of fuse 152 and small switch 153 to power, so that accessory power supply indicates
Lamp 161, headlight 162, back light 163, warning lamp 164, loudspeaker 165, ceiling light 166 and fan 167 can work normally, and be locomotive
Normally travel provides light source.Specifically, headlight 162 is connected with switch SA4, headlight 162 is protected, headlight 162 is locomotive
The front of traffic direction provides light source；Back light 163 is connected with switch SA5, is protected to back light 163, and back light 163 is locomotive fortune
The rear of line direction provides light source；Warning lamp 164 is connected with switch SA6, is protected to warning lamp 164, warning lamp 164 is in machine
It serves as warning when vehicle operation troubles；Loudspeaker 165 are connected with switch SB3, are protected to loudspeaker 165, and loudspeaker 165 are for ringing
Flute；Ceiling light 166 and SA10 series connection, protect ceiling light 166, ceiling light 166 provides light source for locomotive top；167 He of fan
SA8 connection, protects fan 167, and fan 167 provides wind regime for entire lighting unit.
Likewise, the 24V low-voltage DC by DC conversion unit 15 enters monitoring unit 17, using the second direct current
Converter 171 is converted to the direct current of 12V, is that preceding camera 172, rear camera 173 and display screen 174 are powered.Preceding camera
172 for monitoring the road, barrier and operating condition in locomotive head direction, and rear camera 173 is for monitoring locomotive tailstock side
To road, barrier and operating condition.Display screen 174 is for showing what preceding camera 172 or rear camera 173 took
Image.
Locomotive electric cad system control system provided in this embodiment, including DC conversion unit, lighting unit and monitoring unit.The
One DC conversion unit include the first direct current transducer, fuse and small switch, the first direct current transducer respectively with air switch
It is connected with fuse, small switch is connected with fuse；Lighting unit include the accessory power supply indicator light being connected in parallel, headlight, after
Lamp, warning lamp, loudspeaker, ceiling light and fan, accessory power supply indicator light are connected with switch in parallel；Monitoring unit turns including the second direct current
Parallel operation, preceding camera, rear camera and display screen, the second direct current transducer respectively with small switch, preceding camera, rear camera and
Display screen is connected by power supply line, and display screen is also connect with preceding camera and rear camera by signal wire respectively.The present embodiment
The locomotive electric cad system control system of offer can operate normally for locomotive and provide light source, while monitor the road of locomotive head and the tailstock
Situation guarantees the normal operation of locomotive.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of locomotive electric cad system control system characterized by comprising major loop, control unit, power supply unit, the master return
Road includes: the first traction unit, the first brake unit, the second traction unit and the second brake unit；
Wherein, the power supply unit is single with first traction unit, first brake unit, second traction respectively
First, the described second brake unit connection, first traction unit are single with first brake unit, second traction respectively
Member is connected with described control unit；Second traction unit is connect with second brake unit；
Described control unit is used to control the operation of first traction unit and/or second traction unit；
First brake unit is used to control the DC bus-bar voltage of the first traction unit of input；
Second brake unit is used to control the DC bus-bar voltage of the second traction unit of input；
First traction unit and/or second traction unit are used to drive the operation of locomotive.
2. system according to claim 1, which is characterized in that further include: auxiliary circuit, the auxiliary circuit and power supply unit connect
It connects；
The auxiliary circuit is used to provide wind regime to first brake unit and second brake unit.
3. system according to claim 2, which is characterized in that further include: DC conversion unit, lighting unit and monitoring are single
Member；
The DC conversion unit is connect with the power supply unit, the lighting unit and the monitoring unit respectively；
The DC conversion unit is used to the high voltage direct current that power supply unit exports being converted into low-voltage DC, gives the illumination
Unit and monitoring unit power supply；
The lighting unit, which is used to operate normally to the locomotive, provides light source；
The monitoring unit is used to monitor the operating status of the locomotive.
4. system according to claim 3, which is characterized in that the power supply unit includes: battery and air switch, institute
It states battery to connect with the air switch, the air switch turns with the major loop, the auxiliary circuit, the direct current respectively
Change unit connection.
5. system according to claim 1, which is characterized in that first traction unit includes:
First traction frequency convertor and the first traction motor, first traction frequency convertor respectively with the power supply unit, described
First brake unit is connected with first traction motor.
6. system according to claim 5, which is characterized in that first traction unit further includes
Velocity sensor, the velocity sensor connect with first traction frequency convertor and first traction motor respectively
It connects；
The velocity sensor is used to detect the speed of service of the locomotive.
7. system according to claim 1, which is characterized in that second traction unit includes:
Second traction frequency convertor and two traction motors, second traction frequency convertor respectively with the power supply unit, described
Two brake units are connected with second traction motor.
8. system according to claim 4, which is characterized in that the auxiliary circuit, comprising:
The small frequency converter of air compressor machine and air compressor motor；
The small frequency converter of air compressor machine is connect with the air switch and the air compressor motor respectively.
9. system according to claim 3, which is characterized in that the DC conversion unit includes:
First direct current transducer, fuse and small switch, first direct current transducer are connected with the fuse, the insurance
Silk and the small switch connection.
10. system according to claim 3, which is characterized in that the monitoring unit includes:
Second direct current transducer, preceding camera, rear camera and display screen；
The preceding camera, the rear camera are connected with the display screen with the DC conversion unit, and the display screen is also
It is connect respectively with the preceding camera and the rear camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821572815.7U CN209366139U (en) | 2018-09-26 | 2018-09-26 | Locomotive electric cad system control system |
Applications Claiming Priority (1)
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