CN206211498U - A kind of circuit system protection device of aircraft power vehicle - Google Patents
A kind of circuit system protection device of aircraft power vehicle Download PDFInfo
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- CN206211498U CN206211498U CN201621077100.5U CN201621077100U CN206211498U CN 206211498 U CN206211498 U CN 206211498U CN 201621077100 U CN201621077100 U CN 201621077100U CN 206211498 U CN206211498 U CN 206211498U
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Abstract
The purpose of this utility model is to provide a kind of circuit system protection device protected reliability, monitor convenient aircraft power vehicle.The circuit system protection device includes alternating voltage protection location, DC current monitoring unit, DC voltage monitoring unit；Alternating voltage protection location includes the 3rd rectifier, overvoltage protection comparator, under-voltage protection comparator, A/D modular converters；Acousto-optic warning unit, wireless communication unit are set in the controller of circuit system protection device；Alternating voltage protection location can carry out over-pressed, under-voltage, open-phase protection to the three-phase alternating current for exporting, it is also possible to which the single-phase alternating current to exporting carries out overvoltage, under-voltage protection；DC current monitoring unit, DC voltage monitoring unit can be monitored to the direct current for exporting, it is ensured that the security of generator and electrical equipment under various working.Operating personnel can monitor convenient by main frame real time inspection relevant parameter and fault information.
Description
Technical field
The utility model is related to Ground auxiliary equipment field, the circuit system of more particularly to a kind of aircraft power vehicle
Blanket insurance protection unit.
Background technology
Aircraft power vehicle is to produce direct current or alternating current with diesel-electric machine, is tested as aircraft floor
When power supply, the structure of supply vehicle is similar with motor van structure, including driver's cabin, chassis, sets on the vehicle frame at chassis rear portion
Put corresponding generating set and diesel engine.
Supply vehicle can respectively send 115/200V, 400Hz three-phase alternating current, and 115V, 400Hz single-phase alternating current, 28V are straight
Stream electricity, 0~70V direct currents.But the protection device of supply vehicle electric supply installation is simple, and sensitivity is low, for some excessively streams, overvoltage
Protection is not in place, while the alternating current exported in supply vehicle power supply process or galvanic relevant parameter are often by multiple voltmeters
Or electric current meter reading, make operator be difficult to accurately check, and easily count read error.
The content of the invention
Regarding to the issue above, the purpose of this utility model is to provide a kind of protection reliability, monitors convenient Ground electricity
The circuit system protection device of source car.
To achieve the above object, the technical scheme that the utility model is used is：A kind of circuit of aircraft power vehicle
System protection device, described circuit system protection device is arranged in the electric supply installation of supply vehicle, described electric supply installation bag
Diesel engine is included, the output shaft of diesel engine is connected with the rotor of threephase alternator, three phase lines of generator output are by straight
Input of the stream selecting switch respectively with the rectifier of IGBT formulas first, the rectifier of IGBT formulas second is connected, the first described rectification
Device, the output end of the second rectifier are connected with D. C. output plug respectively；
Three described phase lines each connect first adjustable transformer, and the output end of the first adjustable transformer is by the
One on-off switch is connected with the input of three-phase alternating current plug；In three phase lines any one phase line also with the second adjustable transformer
Connection, the output end of the second adjustable transformer is connected through the second on-off switch with the input of single phase ac plug；
Described circuit system protection device includes alternating voltage protection location, described the first adjustable transformer, second
The respective alternating voltage protection location in parallel of the output end of adjustable transformer, described alternating voltage protection location includes the 3rd
Rectifier, the output end of a 3rd rectifier input, the one of under-voltage protection comparator respectively with overvoltage protection comparator
The connection of individual input, another input, another input of under-voltage protection comparator of described overvoltage protection comparator
It is connected with the power interface of controller, the output end of described overvoltage protection comparator, the output end of under-voltage protection comparator point
Input not with an A/D modular converter is connected, and the output end of A/D modular converters is connected with the signal input part of controller；
Described the first rectifier, the output end of the second rectifier is supervised with DC current monitoring unit, DC voltage respectively
Survey unit connection；The signal input part of described controller connects with DC current monitoring unit, DC voltage monitoring unit respectively
Connect；The output end of the first described rectifier sets the 3rd on-off switch, and the output end of the second described rectifier sets the 4th
On-off switch；
Acousto-optic warning unit, wireless communication unit be set in described controller, wireless communication unit with carry channel radio
The main frame connection of letter equipment.
Preferably, the signal output part of described controller respectively with the first adjustable transformer, second adjustable transformer
Servo motor control unit is connected；The signal output part of the controller also respectively with the first rectifier, second rectifier
IGBT drive control units are connected.
Preferably, the signal output part of described controller respectively with the drive circuit of the first on-off switch switch K1, the
The drive circuit switch K2 of two on-off switches, the drive circuit switch K3 of the 3rd on-off switch, the driving electricity of the 4th on-off switch
Way switch K4 is connected.
The utility model has the advantages that：Alternating voltage protection location can be carried out to the three-phase alternating current for exporting
Over-pressed, under-voltage, open-phase protection, it is also possible to which the single-phase alternating current to exporting carries out overvoltage, under-voltage protection；DC current monitoring is single
Unit, DC voltage monitoring unit can be monitored to the direct current for exporting, it is ensured that generator and electricity consumption set under various working
Standby security.Controller can be with real-time monitoring three-phase/single-phase alternating current, galvanic relevant parameter, when relevant parameter exceedes
Predetermined value, controller can in time cut off interlock circuit, it is ensured that safety；Operating personnel can join by the way that main frame real time inspection is related
Number and fault information, monitoring are convenient.
Brief description of the drawings
Fig. 1 is the circuit theory diagrams of circuit system protection device；
Fig. 2 is the circuit theory diagrams of alternating voltage protection location；
Fig. 3 is controller circuitry schematic diagram.
Specific embodiment
A kind of circuit system protection device of aircraft power vehicle as shown in Figure 1-Figure 3, described circuit system is protected
Protection unit is arranged in the electric supply installation of supply vehicle, and described electric supply installation includes diesel engine 1, the output shaft of diesel engine 1 and three
The rotor connection of cross streams generator 2, three phase lines of the output of generator 2 by direct-flow selection switch 3 respectively with IGBT formulas the
The input connection of one rectifier 4, the second rectifier of IGBT formulas 5, described the first rectifier 4, the output end of the second rectifier 5
It is connected with D. C. output plug 6 respectively；
Three described phase lines each connect first adjustable transformer 7, and the output end of the first adjustable transformer 7 passes through
First on-off switch 8 is connected with the input of three-phase alternating current plug 9；Any one phase line also becomes with the second pressure regulation in three phase lines
Depressor 10 is connected, and the output end of the second adjustable transformer 10 connects through the second on-off switch 11 with the input of single phase ac plug 12
Connect；
Described circuit system protection device includes alternating voltage protection location 20, described the first adjustable transformer 7, the
The output end of two adjustable transformers 10 each an alternating voltage protection location 20 in parallel, described alternating voltage protection location 20
Including the 3rd rectifier 21, the 3rd rectifier 21 can be bridge diode rectifier, or bridge-type thyristor type rectification
Device, the output end of the 3rd described rectifier 21 compares with input, a under-voltage protection of overvoltage protection comparator 22 respectively
One input connection of device 23, another input of described overvoltage protection comparator 22, under-voltage protection comparator 23
Power interface of another input respectively with controller 24 is connected, the output end of described overvoltage protection comparator 22, under-voltage
Input of the output end of comparator 23 respectively with an A/D modular converter 25 is protected to be connected, the output end of A/D modular converters 25
Signal input part with controller 24 is connected；Described controller 24 is internally provided with primary processor, flash memory, timer, control
Power supply, signal input/output port, controller 24 can be the complete single-chip microcomputer of One function, or microcomputer master
Machine.
Acousto-optic warning unit 26, wireless communication unit 27, wireless communication unit 27 and band are set in described controller 24
The main frame 28 for having Wireless Telecom Equipment is connected.Corresponding control software can be installed in main frame 28, operating personnel can pass through
Control software checks three-phase/single-phase alternating current, the galvanic voltage of the electric supply installation output of supply vehicle, it is possible to freely adjust
The over-and under-voltage protection domain of three-phase/single-phase alternating current.
Described the first rectifier 4, the output end of the second rectifier 5 respectively with DC current monitoring unit 31, direct current
Pressure monitoring unit 32 is connected；The signal input part of the controller 24 is supervised with DC current monitoring unit 31, DC voltage respectively
Unit 32 is surveyed to connect；The output end of the first described rectifier 4 sets the 3rd on-off switch 34, described the second rectifier 5
Output end sets the 4th on-off switch 35.
The signal output part of described controller 24 is watched with the first adjustable transformer 7, second adjustable transformer 10 respectively
Take motor control unit 29, the drive circuit switch K1 of the first on-off switch 8, the drive circuit switch of the second on-off switch 11
K2, the drive circuit switch K3 of the 3rd on-off switch 34, the drive circuit switch K4 connections of the 4th on-off switch 35.
IGBT of the signal output part of described controller 24 also respectively with the first rectifier 4, the second rectifier 5 drives control
Unit processed 30 is connected.Controller 24 can change the first adjustable transformer 7, second by controlling servo motor control unit 29
The output voltage of adjustable transformer 10, and adjust the setting ginseng of corresponding overvoltage protection comparator 22, under-voltage protection comparator 23
Number, can also change the first rectifier 4, the direct current of the output of the second rectifier 5 by controlling IGBT drive control units 30
Pressure parameter.
When electric supply installation exports 115V or 200V three-phase alternating currents, the alternating voltage in parallel with the first adjustable transformer 7
Protection location 20 is powered, and every single-phase voltage of three-phase alternating current is direct current by the rectification of the 3rd rectifier 21, then by overvoltage
Protection comparator 22, under-voltage protection comparator 23 are measured to single-phase voltage and compared, when single-phase voltage is too high or too low, control
Device processed 24 can cut off the first on-off switch 8, because every line of three phase lines has corresponding alternating voltage protection location 20,
Therefore the parameter of three alternating voltage protection locations 20 can also be compared so as to realize open-phase protection.
When electric supply installation exports 115V single-phase alternating currents, the alternating voltage protection in parallel with the second adjustable transformer 10 is single
Unit 20 is powered, and single-phase alternating current is direct current by the rectification of the 3rd rectifier 21, then by overvoltage protection comparator 22, under-voltage guarantor
Shield comparator 23 is measured to single-phase voltage and compared, and when single-phase AC voltage is too high or too low, controller 24 can cut off
Second on-off switch 11.
When electric supply installation exports 28V DC voltages by the first rectifier 4, it is straight that the output end of the first rectifier 4 is set
Stream current monitoring unit 31, the DC voltage monitoring unit 32 monitoring galvanic voltage and current parameter of output, when the first rectification
During the voltage and current abnormal parameters of the output of device 4, controller 24 can cut off the 3rd on-off switch 34.
When electric supply installation exports 0~70V DC voltages by the second rectifier 5, what the output end of the second rectifier 5 was set
DC current monitoring unit 31, the monitoring galvanic voltage and current parameter of output of DC voltage monitoring unit 32, when second whole
During the voltage and current abnormal parameters of the stream output of device 5, controller 24 can cut off the 4th on-off switch 35.
Controller 24 cut off related circuit after, operating personnel can by the data in the Read Controller 24 of main frame 28,
So as to easily find the position of fault, maintenance efficiency is improved.
Claims (3)
1. a kind of circuit system protection device of aircraft power vehicle, described circuit system protection device is arranged on supply vehicle
Electric supply installation in, described electric supply installation includes diesel engine (1), output shaft and the threephase alternator (2) of diesel engine (1)
Rotor connection, generator (2) output three phase lines by direct-flow selection switch (3) respectively with the rectifier of IGBT formulas first
(4), the input connection of the rectifier of IGBT formulas second (5), described the first rectifier (4), the output end of the second rectifier (5)
It is connected with D. C. output plug (6) respectively；
Three described phase lines each connect first adjustable transformer (7), and the output end of the first adjustable transformer (7) passes through
First on-off switch (8) is connected with the input of three-phase alternating current plug (9)；Any one phase line is also adjusted with second in three phase lines
Pressure transformer (10) is connected, and the output end of the second adjustable transformer (10) is through the second on-off switch (11) and single phase ac plug
(12) input connection；
It is characterized in that：Described circuit system protection device includes alternating voltage protection location (20), the first described pressure regulation
Output end each an alternating voltage protection location (20) in parallel, described friendship of transformer (7), the second adjustable transformer (10)
Stream voltage protection unit (20) includes the 3rd rectifier (21), and the output end of the 3rd rectifier (21) compares with overvoltage protection respectively
One input connection of one input, under-voltage protection comparator (23) of device (22), described overvoltage protection comparator
(22) another input, another input of under-voltage protection comparator (23) respectively with the power interface of controller (24)
Connection, output end, the output end of under-voltage protection comparator (23) of described overvoltage protection comparator (22) respectively with an A/D
The input connection of modular converter (25), the output end of A/D modular converters (25) is connected with the signal input part of controller (24)；
Described the first rectifier (4), the output end of the second rectifier (5) respectively with DC current monitoring unit (31), direct current
Voltage monitoring unit (32) is connected；The signal input part of described controller (24) respectively with DC current monitoring unit (31),
DC voltage monitoring unit (32) is connected；The output end of described the first rectifier (4) sets the 3rd on-off switch (34), described
The second rectifier (5) output end set the 4th on-off switch (35)；
Acousto-optic warning unit (26), wireless communication unit (27), wireless communication unit (27) are set in described controller (24)
It is connected with the main frame (28) with Wireless Telecom Equipment.
2. the circuit system protection device of aircraft power vehicle according to claim 1, it is characterised in that：Described control
The signal output part of device (24) processed respectively with the first adjustable transformer (7), the Serve Motor Control of the second adjustable transformer (10)
Unit (29) is connected；The signal output part of the controller (24) also respectively with the first rectifier (4), the second rectifier (5)
IGBT drive control units (30) are connected.
3. the circuit system protection device of aircraft power vehicle according to claim 2, it is characterised in that：Described control
The signal output part of device (24) processed respectively with the drive circuit of the first on-off switch (8) switch K1, the second on-off switch (11)
Drive circuit switch K2, the drive circuit switch K3 of the 3rd on-off switch (34), the drive circuit of the 4th on-off switch (35) are opened
Close K4 connections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621077100.5U CN206211498U (en) | 2016-09-23 | 2016-09-23 | A kind of circuit system protection device of aircraft power vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621077100.5U CN206211498U (en) | 2016-09-23 | 2016-09-23 | A kind of circuit system protection device of aircraft power vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206211498U true CN206211498U (en) | 2017-05-31 |
Family
ID=58761387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621077100.5U Expired - Fee Related CN206211498U (en) | 2016-09-23 | 2016-09-23 | A kind of circuit system protection device of aircraft power vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206211498U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107302247A (en) * | 2017-07-04 | 2017-10-27 | 江苏兴云新能源有限公司 | Have voltage monitoring and the exchange stake circuit of protection |
| CN107370154A (en) * | 2017-08-16 | 2017-11-21 | 威海广泰空港设备股份有限公司 | The aircraft power truck of one key power supply |
| CN108075673A (en) * | 2017-09-19 | 2018-05-25 | 珠海格力电器股份有限公司 | Multi-path common-ground rectification circuit and switching power supply |
| CN108121329A (en) * | 2018-02-14 | 2018-06-05 | 中国人民解放军第四三二八工厂 | Supply vehicle measurement and control system, method, supply vehicle, computer system and medium |
-
2016
- 2016-09-23 CN CN201621077100.5U patent/CN206211498U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107302247A (en) * | 2017-07-04 | 2017-10-27 | 江苏兴云新能源有限公司 | Have voltage monitoring and the exchange stake circuit of protection |
| CN107370154A (en) * | 2017-08-16 | 2017-11-21 | 威海广泰空港设备股份有限公司 | The aircraft power truck of one key power supply |
| CN107370154B (en) * | 2017-08-16 | 2024-01-30 | 威海广泰空港设备股份有限公司 | Aviation power supply vehicle powered by one key |
| CN108075673A (en) * | 2017-09-19 | 2018-05-25 | 珠海格力电器股份有限公司 | Multi-path common-ground rectification circuit and switching power supply |
| CN108075673B (en) * | 2017-09-19 | 2020-02-28 | 珠海格力电器股份有限公司 | Multi-path common-ground rectification circuit and switching power supply |
| CN108121329A (en) * | 2018-02-14 | 2018-06-05 | 中国人民解放军第四三二八工厂 | Supply vehicle measurement and control system, method, supply vehicle, computer system and medium |
| CN108121329B (en) * | 2018-02-14 | 2024-04-12 | 中国人民解放军第四三二八工厂 | Power supply vehicle data measurement and control system and method, power supply vehicle, computer system and medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170531 Termination date: 20170923 |