CN206186799U - Power supply unit of on -vehicle consumer of trolley bus - Google Patents
Power supply unit of on -vehicle consumer of trolley bus Download PDFInfo
- Publication number
- CN206186799U CN206186799U CN201620959994.4U CN201620959994U CN206186799U CN 206186799 U CN206186799 U CN 206186799U CN 201620959994 U CN201620959994 U CN 201620959994U CN 206186799 U CN206186799 U CN 206186799U
- Authority
- CN
- China
- Prior art keywords
- reactance
- electric capacity
- vehicle
- electrical equipment
- trolleybus
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The utility model provides a power supply unit of on -vehicle consumer of trolley bus relates to trolley bus technical field. Among the the device, the converter is provided with direct -current input interface and alternating current output interface, direct -current input interface is with being loaded with the DC voltage that the power supply unit provided, the three -phase of alternating current output interface is connected with the one end of first reactance, second reactance, third reactance respectively, first reactance, second reactance are connected with three -phase transformer's input with the other end of third reactance to the one end of first electric capacity, second electric capacity and third electric capacity still is connected respectively to first reactance, second reactance and the other end of third reactance, the other end of first electric capacity, second electric capacity and third electric capacity meets, the on -vehicle consumer of trolley bus is connected to three -phase transformer's output. The utility model discloses can solve the problem that how to improve the stability of converter output among the trolley bus, avoid converter output unstable, damage the on -vehicle consumer of trolley bus easily.
Description
Technical field
The utility model is related to trolleybus technical field, more particularly to a kind of vehicle-mounted electrical equipment of trolleybus power supply
Device.
Background technology
With greatly developing for current public transport, trolleybus is widely used in passenger traffic industry.And
How to be powered for the vehicle-mounted electrical equipment of trolleybus becomes a hot issue.
As shown in figure 1, the power supply mode of the vehicle-mounted electrical equipment of trolleybus of the prior art is usually frequency converter 101 inciting somebody to action
The direct current frequency conversion that dc source 103 is provided is alternating current, and directly for the vehicle-mounted electrical equipment 102 of each trolleybus is powered.So
And, this power supply mode is provided for electricity because electrical equipment is common by a frequency converter.Due to loading numerous, each trolleybus
Vehicle-mounted electrical equipment starts frequent, causes electrical equipment voltage operationally, electric current and frequency to there is destabilizing factor.And use
Electric equipment is easily damaged in unstable working environment, service life reduction.So how to improve frequency conversion in trolleybus
The stability of device output becomes a problem demanding prompt solution.
Utility model content
Embodiment of the present utility model provides a kind of electric supply installation of the vehicle-mounted electrical equipment of trolleybus, to solve how to carry
The stability of frequency converter output in trolleybus high, it is unstable so as to avoid frequency converter from exporting, it is easily damaged trolleybus vehicle-mounted
The problem of electrical equipment.
To reach above-mentioned purpose, the utility model is adopted the following technical scheme that：
A kind of electric supply installation of the vehicle-mounted electrical equipment of trolleybus, including：Frequency converter, the first reactance, the second reactance, the 3rd
Reactance, the first electric capacity, the second electric capacity, the 3rd electric capacity and three-phase transformer；
The frequency converter is provided with DC supply input interface and alternating current output interface；The DC supply input interface loading
There is the DC voltage that power supply unit is provided；The three-phase of the alternating current output interface respectively with the first reactance, the second reactance, the 3rd
One end connection of reactance；First reactance, the second reactance and the other end of the 3rd reactance and the input of three-phase transformer connect
Connect, and first reactance, the other end of the second reactance and the 3rd reactance be also respectively connected with the first electric capacity, the second electric capacity and
One end of 3rd electric capacity；The other end of first electric capacity, the second electric capacity and the 3rd electric capacity connects；The three-phase transformer
Output end connects the vehicle-mounted electrical equipment of trolleybus.
Further, the output end of the three-phase transformer is also associated with one end of voltage feedback network, and the voltage is anti-
The other end for presenting network connects the Voltage Feedback input interface of frequency converter.
Specifically, the power supply unit is vehicle power.
Specifically, the power supply unit is overhead contact line supply line.
Specifically, the vehicle-mounted electrical equipment of trolleybus include brake system air pump motor, battery heating device and
Automobile warm-air heater.
A kind of electric supply installation of the vehicle-mounted electrical equipment of trolleybus that the utility model embodiment is provided, the trolleybus car
The frequency converter for carrying electrical equipment is provided with DC supply input interface and alternating current output interface；The DC supply input interface loading
There is the DC voltage that power supply unit is provided；The three-phase of the alternating current output interface respectively with the first reactance, the second reactance, the 3rd
One end connection of reactance；First reactance, the second reactance and the other end of the 3rd reactance and the input of three-phase transformer connect
Connect, and first reactance, the other end of the second reactance and the 3rd reactance be also respectively connected with the first electric capacity, the second electric capacity and
One end of 3rd electric capacity；The other end of first electric capacity, the second electric capacity and the 3rd electric capacity connects；The three-phase transformer
Output end connects the vehicle-mounted electrical equipment of trolleybus.So, by the first electric capacity, the second electric capacity, the 3rd electric capacity, the first reactance,
The LC wave filters that second reactance and the 3rd reactance are constituted can be filtered to the voltage signal of frequency converter output, eliminate electricity
Clutter in pressure signal, and because three-phase transformer has buffer action so that the voltage signal of frequency converter output will not be straight
Connect and be loaded into the vehicle-mounted electrical equipment of trolleybus, such that it is able to improve the stability of frequency converter output in trolleybus, it is to avoid
Frequency converter output is unstable, is easily damaged the problem of the vehicle-mounted electrical equipment of trolleybus.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of the power supply mode of the vehicle-mounted electrical equipment of trolleybus of the prior art；
A kind of structure of the electric supply installation of the vehicle-mounted electrical equipment of trolleybus that Fig. 2 is provided for the utility model embodiment is shown
It is intended to one；
A kind of structure of the electric supply installation of the vehicle-mounted electrical equipment of trolleybus that Fig. 3 is provided for the utility model embodiment is shown
It is intended to two.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
As shown in Fig. 2 the utility model embodiment provides a kind of electric supply installation 200 of the vehicle-mounted electrical equipment of trolleybus,
Including：Frequency converter 201, the first reactance 202, the second reactance 203, the 3rd reactance 204, the first electric capacity 205, the second electric capacity 206,
Three electric capacity 207 and three-phase transformer 208.Herein, it is necessary to explanation, the first reactance 202, the second reactance 203, the 3rd reactance
204 may be constructed three-phase reactor, to be operated.
The frequency converter 201 is provided with DC supply input interface 209 and alternating current output interface 210；The DC supply input
The DC voltage that interface 209 is loaded with the offer of power supply unit 300 (for example can be DC600V direct currents, i.e. direct current 600V electricity
Pressure)；The alternating current output interface 210 (by AC220V alternating currents, i.e. alternating current 220V voltage can be exported after frequency converter, and
Its output current limiting can be 70A) three-phase connect with one end of the first reactance 202, the second reactance 203, the 3rd reactance 204 respectively
Connect；The input of first reactance 202, the other end of the second reactance 203 and the 3rd reactance 204 and three-phase transformer 208 connects
Connect, and first reactance 202, the second reactance 203 and the 3rd reactance 204 the other end be also respectively connected with the first electric capacity 205,
One end of second electric capacity 206 and the 3rd electric capacity 207；First electric capacity 205, the second electric capacity 206 and the 3rd electric capacity 207
The other end connects；The output end connection vehicle-mounted electrical equipment 400 of trolleybus of the three-phase transformer 208.Finally, three phase-change pressure
It is the electricity of 50Hz that the output end of device 208 can export AC220V (220V alternating currents) or AC380V (380V alternating currents), and frequency
Pressure.
Further, as shown in figure 3, the output end of the three-phase transformer 208 is also associated with voltage feedback network 211
One end, the other end of the voltage feedback network 211 connects the Voltage Feedback input interface 212 of frequency converter 201.The Voltage Feedback
Network 211 can be with feedback voltage feedback signal.
What deserves to be explained is, the power supply unit 300 can be vehicle power, or overhead contact line supply line.
Additionally, as shown in figure 3, the vehicle-mounted electrical equipment 400 of the trolleybus includes brake system air pump motor 401, electricity
Pond heater 402 (particularly battery heater strip, due to battery, service behaviour is not good at a lower temperature, therefore by battery
Heater strip can heat up for battery) and automobile warm-air heater 403 (particularly warm wind heater strip, due to automobile in the winter time
Deng time vehicle window and the easy frosting of outside rear-view mirror, therefore can be to vehicle window and outer by the warm wind heater strip in warm wind heater
Rearview mirror is heated to defrost) etc..
A kind of electric supply installation of the vehicle-mounted electrical equipment of trolleybus that the utility model embodiment is provided, the trolleybus car
The frequency converter for carrying electrical equipment is provided with DC supply input interface and alternating current output interface；The DC supply input interface loading
There is the DC voltage that power supply unit is provided；The three-phase of the alternating current output interface respectively with the first reactance, the second reactance, the 3rd
One end connection of reactance；First reactance, the second reactance and the other end of the 3rd reactance and the input of three-phase transformer connect
Connect, and first reactance, the other end of the second reactance and the 3rd reactance be also respectively connected with the first electric capacity, the second electric capacity and
One end of 3rd electric capacity；The other end of first electric capacity, the second electric capacity and the 3rd electric capacity connects；The three-phase transformer
Output end connects the vehicle-mounted electrical equipment of trolleybus.So, by the first electric capacity, the second electric capacity, the 3rd electric capacity, the first reactance,
The LC wave filters that second reactance and the 3rd reactance are constituted can be filtered to the voltage signal of frequency converter output, eliminate electricity
Clutter in pressure signal, and because three-phase transformer has buffer action so that the voltage signal of frequency converter output will not be straight
Connect and be loaded into the vehicle-mounted electrical equipment of trolleybus, such that it is able to improve the stability of frequency converter output in trolleybus, it is to avoid
Frequency converter output is unstable, is easily damaged the problem of the vehicle-mounted electrical equipment of trolleybus.The utility model can increase each trackless
The service life of the vehicle-mounted electrical equipment of electric car, even if each electrical equipment starts frequently, does not still interfere with the steady of frequency converter output
It is qualitative.
Specific embodiment is applied in the utility model to be set forth principle of the present utility model and implementation method, with
The explanation of upper embodiment is only intended to help and understands method of the present utility model and its core concept；Simultaneously for this area
Those skilled in the art, according to thought of the present utility model, will change in specific embodiments and applications, comprehensive
Upper described, this specification content should not be construed as to limitation of the present utility model.
Claims (5)
1. the electric supply installation of the vehicle-mounted electrical equipment of a kind of trolleybus, it is characterised in that including：Frequency converter, the first reactance, second
Reactance, the 3rd reactance, the first electric capacity, the second electric capacity, the 3rd electric capacity and three-phase transformer；
The frequency converter is provided with DC supply input interface and alternating current output interface；The DC supply input interface is loaded with confession
The DC voltage that electric equipment is provided；The three-phase of the alternating current output interface respectively with the first reactance, the second reactance, the 3rd reactance
One end connection；First reactance, the second reactance are connected with the other end of the 3rd reactance with the input of three-phase transformer, and
And first reactance, the second reactance are also respectively connected with the first electric capacity, the second electric capacity and the 3rd with the other end of the 3rd reactance
One end of electric capacity；The other end of first electric capacity, the second electric capacity and the 3rd electric capacity connects；The output of the three-phase transformer
The end connection vehicle-mounted electrical equipment of trolleybus.
2. the electric supply installation of the vehicle-mounted electrical equipment of trolleybus according to claim 1, it is characterised in that three phase transformation
The output end of depressor is also associated with one end of voltage feedback network, and the other end of the voltage feedback network connects the electricity of frequency converter
Pressure feed back input interface.
3. the electric supply installation of the vehicle-mounted electrical equipment of trolleybus according to claim 1, it is characterised in that the power supply sets
Standby is vehicle power.
4. the electric supply installation of the vehicle-mounted electrical equipment of trolleybus according to claim 1, it is characterised in that the power supply sets
Standby is overhead contact line supply line.
5. the electric supply installation of the vehicle-mounted electrical equipment of trolleybus according to claim 1, it is characterised in that the trackless electricity
The vehicle-mounted electrical equipment of car includes brake system air pump motor, battery heating device and automobile warm-air heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620959994.4U CN206186799U (en) | 2016-08-26 | 2016-08-26 | Power supply unit of on -vehicle consumer of trolley bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620959994.4U CN206186799U (en) | 2016-08-26 | 2016-08-26 | Power supply unit of on -vehicle consumer of trolley bus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206186799U true CN206186799U (en) | 2017-05-24 |
Family
ID=58728981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620959994.4U Active CN206186799U (en) | 2016-08-26 | 2016-08-26 | Power supply unit of on -vehicle consumer of trolley bus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206186799U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106218414A (en) * | 2016-08-26 | 2016-12-14 | 北京公共交通控股（集团）有限公司 | The electric supply installation of the vehicle-mounted electrical equipment of trolleybus and method of supplying power to |
-
2016
- 2016-08-26 CN CN201620959994.4U patent/CN206186799U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106218414A (en) * | 2016-08-26 | 2016-12-14 | 北京公共交通控股（集团）有限公司 | The electric supply installation of the vehicle-mounted electrical equipment of trolleybus and method of supplying power to |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105365593A (en) | Charge connection device for electric vehicle, and control method thereof | |
| CN105576731A (en) | Vehicle-mounted charging and inversion bidirectional AC power supply system | |
| CN105216637B (en) | EMUs electric power system, external method of supplying power to and EMUs | |
| CN205800821U (en) | A kind of special-purpose vehicle three-in-one integrated power supply Auxiliary Power Unit Controller | |
| CN105790398A (en) | Semi vehicle-mounted rapid charging method and charging device of power-driven bus | |
| CN205818960U (en) | A kind of Vehicular charger used for electric vehicle and electric automobile | |
| CN105391150A (en) | Trolleybus power supply system and power supply control method thereof | |
| CN206186799U (en) | Power supply unit of on -vehicle consumer of trolley bus | |
| CN202449702U (en) | Photovoltaic energy-saving elevator | |
| CN209441205U (en) | A kind of electric automobile power battery system | |
| CN104139706B (en) | A kind of trolleybus and its isolated electric power system | |
| CN106143051A (en) | Energy-saving and frequency-variable Electronic Control Assembly for New energy electric passenger vehicle AC/DC air-conditioner system | |
| CN205311365U (en) | Device is recycled to undue looks energy of train | |
| CN105680517A (en) | Alternating current power supply used in electric vehicle | |
| CN111907354A (en) | Vehicle-mounted power supply conversion and distribution unit integrated device | |
| CN206758613U (en) | A kind of battery heat preservation system suitable for cold district new energy pure electric coach | |
| CN203485926U (en) | DC powered air-conditioning set of passenger train | |
| CN207535708U (en) | A kind of achievable EMU is met an urgent need the novel auxiliary power supply system of traveling | |
| CN207098723U (en) | A kind of charging system for electric automobile | |
| CN105515140B (en) | A kind of vehicle-mounted ac power supply system of electric automobile | |
| CN106218414A (en) | The electric supply installation of the vehicle-mounted electrical equipment of trolleybus and method of supplying power to | |
| CN104760507A (en) | Control system and method of integrated controller of double-source trackless trolley | |
| CN109878338A (en) | A kind of off highway vehicle electric transmission method and system | |
| CN209505482U (en) | Two-way inverter intelligent servicer | |
| CN205632364U (en) | Frequency conversion is equipped with electric system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |