CN104092290B - A kind of intelligent power distribution and supply control system - Google Patents
A kind of intelligent power distribution and supply control system Download PDFInfo
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- CN104092290B CN104092290B CN201410315773.9A CN201410315773A CN104092290B CN 104092290 B CN104092290 B CN 104092290B CN 201410315773 A CN201410315773 A CN 201410315773A CN 104092290 B CN104092290 B CN 104092290B
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Abstract
The invention discloses a kind of system can carrying out supplying according to user's request distribution control to multichannel AC input and output, be mainly used in the power supply-distribution system of vehicle-carried mobile system, described system cloud gray model is by the civil power input of Single-chip Controlling one road and the input of two road generators, and the output of two-way air-conditioning, four road stand-by ACs and road interchange export; And carry out magnitude of voltage, current value samples, and provides sound and light alarm.The present invention can have prioritizing selection function according to initial conditions to interchange output.The present invention also has miscellaneous functions such as exchanging input overvoltage/undervoltage is protected, the protection of interchange output overloading.The invention solves existing comprehensive power function singleness in various onboard power system, cannot meet the problem of user demand completely, various power supply region is simplified, practical function variation, has vast potential for future development.
Description
Technical field
The present invention relates to a kind of power supply-distribution system of vehicle-carried mobile system, particularly a kind of intelligent power distribution and supply control system that can carry out the control of confession distribution according to user's request to multichannel AC input and output.
Background technology
At present, a lot of audio frequency and video technology, multimedia technology, mechanics of communication, network technology etc. are widely used in vehicle-carried mobile field, and namely what build these onboard system overriding concerns is electric power system.Each onboard system is according to the difference of application scenarios, and required power-supply service scheme is also different.Traditional power-supply service scheme is the confession distribution being solved onboard system by comprehensive power, but comprehensive power function singleness, expandability is not enough, apply extensive not, in order to adapt to different systems, industry associated companies can design different power supply products targetedly, increases the workload of developer, and cause this type of product variety of comprehensive power various, do not form unified standard.
Summary of the invention
Goal of the invention: technical problem to be solved by this invention is for the deficiencies in the prior art, provides a kind of intelligent power distribution and supply control system.
In order to solve the problems of the technologies described above, the invention discloses a kind of intelligent power distribution and supply control system, described system cloud gray model is by the civil power input of Single-chip Controlling one road and the input of two road generators, and the output of two-way air-conditioning, four road stand-by ACs and road interchange export; Described system has the preferred locking control function of power supply to civil power input, two road generator inputs, specifically performs following steps:
When only there being civil power to input power supply, civil power inputs a road and accesses through solid-state relay K1, and the line voltage of access exports for air-conditioning 1 respectively through air switch S3 and air switch S4 and air-conditioning 2 exports; Civil power inputs another road and accesses through solid-state relay K2, the line voltage of access directly exports for exchanging, after AC relay K6, supply the 4th stand-by AC simultaneously, supply first, second stand-by AC through air switch S5 simultaneously, through air switch S6 for the 3rd stand-by AC;
When without civil power input or civil power input fault, started respectively by the controller of the first generator and the controller of the second generator, after two generators startups are worked well, the air switch S2 of the air switch S1 and the second generator that open the first generator connects generator powered, the second generator voltage connected accesses through solid-state relay K4, exports respectively and the output of the second air-conditioning through air switch S3 and air switch S4 for the first air-conditioning; The first generator voltage connected accesses through solid-state relay K3, directly export for exchanging, after AC relay K6, supply the 4th stand-by AC simultaneously, supply first, second stand-by AC through air switch S5 simultaneously, through air switch S6 for the 3rd stand-by AC, during power supply, if when the gross power of the first generator powered is greater than about 5kW, cuts off first to fourth stand-by AC by AC relay K6 and export;
When only there being the first generator powered, the first generator is started by the controller of the first generator, Deng first generator start work well after, the air switch S1 opening the first generator connects the first generator powered, the first generator voltage connected accesses through solid-state relay K3, directly export for exchanging, after AC relay K6, supply the 4th stand-by AC simultaneously, supply first through air switch S5 simultaneously, second stand-by AC, through air switch S6 for the 3rd stand-by AC, if when the gross power of the first generator powered is greater than about 5kW, cut off first to fourth stand-by AC by AC relay K6 to export,
When only there being the second generator powered, the second generator is started by the controller of the second generator, Deng second generator start work well after, the air switch S2 opening the second generator connects the second generator powered, the second generator voltage connected accesses through solid-state relay K5, directly export for exchanging, after AC relay K6, supply the 4th stand-by AC simultaneously, supply first through air switch S5 simultaneously, second stand-by AC, through air switch S6 for the 3rd stand-by AC, if when the gross power of the first generator powered is greater than about 5kW, cut off first to fourth stand-by AC by AC relay K6 to export.
In the present invention, the magnitude of voltage that single-chip microcomputer utilizes the AD sampling module carried to input interchange, output current value are sampled, and are averaged to all samplings, the mean value obtained, and described system has overvoltage/undervoltage and detects defencive function, specifically performs following steps:
Judge when single-chip microcomputer carries out sampling to the input voltage value of sampling unit, when being not more than 154V, permissible error-8V, namely be judged as under-voltage, light and the auditory tone cues of now corresponding input are reported to the police, and cut off corresponding input, if when now having other to input normally, then control this road relay to power, otherwise cut off all interchanges output;
When AC-input voltage return to be greater than 172V time, permissible error ± 4V, accesses again;
When sampled voltage is not less than 264V, permissible error+8V, is namely judged as overvoltage, light and the auditory tone cues of now corresponding input are reported to the police, and cut off corresponding input, if when now having other to input normally, then control this road relay to power, otherwise cut off all interchanges output;
When AC-input voltage return to be less than 257V time, permissible error ± 4V, accesses again.
In the present invention, described system overcurrent protection function, specifically performs following steps:
Carry out sampling when the ac output current value of single-chip microcomputer to sampling unit to judge, when judging that exchanging output valve is greater than 6KW, controlling this road and exchanging output relay disconnection.
The present embodiment coordinates existing various dissimilar comprehensive power to solve the confession distribution problem of various onboard system, without the need to designing new portable power source for specific user.Carry car applied environment according to general, the input of this enforcements design two-way generator powered, a road mains-supplied input, ensure to provide 1 tunnel to exchange output and be supplied to comprehensive power and exchange with 2 tunnels and export to air-conditioning equipment, 4 road stand-by ACs outputs are also provided simultaneously.Consider the various factors that actual capabilities run into, these facilities and equipments can have prioritizing selection function according to initial conditions to interchange output.These facilities and equipments also have miscellaneous functions such as exchanging input overvoltage/undervoltage is protected, the protection of interchange output overloading.
Accompanying drawing explanation
To do the present invention below in conjunction with the drawings and specific embodiments and further illustrate, above-mentioned and/or otherwise advantage of the present invention will become apparent.
Fig. 1 is the main control process flow figure of this intelligence for power distribution control equipment.
Fig. 2 is the interface microcontroller analogous diagram of this intelligence for power distribution control equipment.
Fig. 3 is the distribution control principle drawing of this intelligence for power distribution control equipment.
Embodiment
Embodiment
This enforcement has civil power input, generator 1 inputs and the preferred locking control function of power supply of generator 2 input; The overvoltage/undervoltage of mains input voltage detects, acousto-optic indicates and defencive function; Controlling functions (controller is arranged on panel, the switching of control signal), the power supply manual ON of generator 1 and generator 2 control, the overvoltage/undervoltage of input voltage detects, acousto-optic indicates and defencive function.
This enforcement has the instruction of power supply state light-emitting diode and overcurrent protection function that air-conditioning 1 exports and air-conditioning 2 exports, and can show electric current and voltage in EL screen display; The power supply state light-emitting diode instruction that 4 road stand-by ACs export and overcurrent protection function, and electric current and voltage can be shown in EL screen display.
Intelligence realizes above-mentioned functions for power distribution control equipment mainly through Single-chip Controlling and hardware circuit design, after start, single-chip microcomputer is sampled to corresponding civil power, generator 1, the magnitude of voltage of generator 2, current value, real-time carrying out is monitored, and has sound and light alarm and carries out controlling functions to the relay of each input/output terminal.
Modular mode is followed in the design of software, and the principle of Module Division is: functions of modules is relatively independent, and inside modules is in close relations, and module coupling each other reduces as far as possible, adopts sequencing sequential loop to perform.The all software units forming this computer software configuration item (CSCI) comprise: initialization unit, sampling unit, Alternating Current Unit, interchange input and output protected location.
Initialization unit: to special register initialization, configures each pin function; To general register initialization, each unit initial condition is set.
Sampling unit: the magnitude of voltage that single-chip microcomputer utilizes the 10 bit AD sample modules carried to input interchange, output current value are sampled, software carries out 10 samplings to these inputs, these 10 values are averaged, the mean value obtained just as last result stored in the basis for estimation of memory as other software module.
Alternating Current Unit: access the order of civil power, generator 1, generator 2, realizes distribution and controls.
Exchange input and output defencive function unit (overvoltage/undervoltage protection): judge when single-chip microcomputer carries out sampling to the input voltage value of sampling unit, when being not more than 154V (permissible error-8V), namely be judged as under-voltage, now corresponding input green indicating lamp dodges, buzzer 5s points out warning, power supply unit cuts off corresponding input, if when now having other normal voltages (172 ± 4V ~ 257V ± 4V) to input, power supply unit controls then to control this road relay and powers, otherwise power supply unit power supply automatically cuts off all interchanges and exports, now buzzer warning and EL shield display alarm, when AC-input voltage return to be greater than 172V (permissible error ± 4V) time, will automatically again access, when sampled voltage is not less than 264V (permissible error+8V), namely overvoltage is judged as, now corresponding input green indicating lamp dodges, buzzer 5s points out warning, power supply unit cuts off corresponding input, if when now having other to input normally, power supply unit controls then to control this road relay and powers, otherwise power supply unit power supply automatically cut off all interchanges export, now buzzer warning and EL shield display alarm, when AC-input voltage return to be less than 257V (permissible error ± 4V) time, will automatically again access.
Exchange input and output defencive function unit (overcurrent protection): carry out sampling when the 3 road ac output current values of single-chip microcomputer to sampling unit and judge; when judging that exchanging output valve is greater than 6KW; power supply unit controls this road and exchanges output relay disconnection, and buzzer warning also shields display alarm at EL.The overcurrent protection that this equipment exports 1/2 to stand-by AC is realized by suitable overcurrent breaker protector, exports 4 realized (facilitating user to export power consumption to this two-way as required to set) by sampling unit, Single Chip Microcomputer (SCM) program and power supply unit stand-by AC output 3 and stand-by AC.
The present embodiment intelligence power distribution and supply control system main control process flow figure is shown in Fig. 1, comprises the following steps:
Line voltage is sampled;
Generator 1 voltage sample;
Generator 2 voltage sample;
Mains current is sampled;
Generator 1 current sample;
Generator 2 current sample;
Stand-by AC electric current 3 is sampled;
Stand-by AC electric current 4 is sampled;
City's electric treatment;
Generator 1 processes;
Generator 2 processes;
City's electric generator conversion;
Detect all lamp states;
Alarming processing;
Overcurrent process;
Data send.
The present embodiment equipment single-chip microcomputer interface simulation figure is shown in Fig. 2, is described as follows:
Line voltage sampling pin AN0, generator 1 voltage sample pin AN1, generator 2 voltage sample pin AN2, mains current sampling pin AN7, generator 1 current sample pin AN8, generator 2 current sample pin AN9, stand-by AC 4 current sample pin AN10, stand-by AC 3 current sample pin AN11, interchange output detections control pin RE2, stand-by AC 4 detection control pin RE3, stand-by AC 3 detection control pin RE4, stand-by AC export 1/2 detection control pin RE5, air-conditioning 2 detection control pin RE6, air-conditioning 1 detection control pin RE7.
Distribution control principle is shown in Fig. 3, is described as follows:
When only there being civil power to input power supply, civil power inputs a road and accesses power supply through solid-state relay K1, and the line voltage of access exports for air-conditioning 1 respectively through panel air switch S3 ~ 4 and air-conditioning 2 exports; Civil power inputs another road through solid-state relay K2 access power supply, and the line voltage of access directly exports for exchanging, and supplies stand-by AC 1/2, stand-by AC 3, stand-by AC 4 after AC relay K6 through panel air switch S5 ~ 7 simultaneously.
When without civil power input or civil power input fault, by generator 1 controller on panel and generator 2 controller starter-generator 1 and generator 2 respectively, after generator startup is worked well, open panel generators 1 air switch S1 and generator 2 air switch S2 and connect generator powered, generator 2 voltage connected accesses power supply through solid-state relay K4, and generator 2 voltage of access exports for air-conditioning 1 respectively through panel air switch S3 ~ 4 and air-conditioning 2 exports; Generator 1 voltage connected accesses power supply through solid-state relay K3, generator 1 voltage of access directly exports for exchanging, simultaneously through AC relay K6 (during power supply, if when the gross power that generator 1 is powered is greater than about 5kW, export 1 ~ 4 by AC relay K6 cut-out stand-by AC, thus ensure to exchange the power demand exported) supply stand-by AC 1/2, stand-by AC 3, stand-by AC 4 by panel air switch S5 ~ 7.
When only there being generator 1 to power, by the generator 1 controller starter-generator 1 on panel, Deng generator 1 start work well after, open panel generators 1 air switch S1 connection generator 1 to power, generator 1 voltage connected accesses power supply through solid-state relay K3, generator 1 voltage of access directly exports for exchanging, simultaneously through AC relay K6 (during power supply, if when the gross power that generator 1 is powered is greater than about 5kW, cut off stand-by AC by AC relay K6 and export 1 ~ 4, thus ensure to exchange the power demand exported) supply stand-by AC 1/2 by panel air switch S5 ~ 7, stand-by AC 3, stand-by AC 4.
When only there being generator 2 to power, by the generator 2 controller starter-generator 2 on panel, Deng generator 2 start work well after, open panel generators 2 air switch S2 connection generator 2 to power, generator 2 voltage connected accesses power supply through solid-state relay K5, generator 2 voltage of access directly exports for exchanging, simultaneously through AC relay K6 (during power supply, if when the gross power that generator 2 is powered is greater than about 5kW, cut off stand-by AC by AC relay K6 and export 1 ~ 4, thus ensure to exchange the power demand exported) supply stand-by AC 1/2 by panel air switch S5 ~ 7, stand-by AC 3, stand-by AC 4.
The present embodiment apparatus front panel arranges 7 switches altogether, and the device of corresponding title, function and use is in described in table 1.
Table 1
Front panel arranges 8 green LEDs altogether, and corresponding title, state and implication are in described in table 2.
Table 2
The performance index that this enforcement has are as follows:
1, input characteristics
Civil power inputs: voltage range is 220V+20%-30% frequency range be 50Hz ± 2.5Hz power is 12kW;
Generator 1 and generator 2 input: voltage range is 220V+20%-30% frequency range be 50Hz ± 2.5Hz power is 6kW.
2, output characteristic
A) air-conditioning 1 output and air-conditioning 2 export
Output voltage: follow the normal and AC-input voltage that priority is the highest of voltage in civil power and generator 2;
Power output capacity: it is 3kW respectively that air-conditioning 1 output and air-conditioning 2 export.
B) stand-by AC 1 ~ 4 with exchange output
Output voltage: follow the normal and AC-input voltage that priority is the highest of voltage in civil power, generator 1 and generator 2;
Power output capacity: it is 1.5kW (wherein 3,4 can establish) respectively that stand-by AC exports 1,2,3,4, exchanges and exports as 6kW.
3, power supply priority
A) air-conditioning 1 output and air-conditioning 2 export
Civil power input → generator 2.
B) stand-by AC 1 ~ 4 with exchange output
Civil power input → generator 1 → generator 2.
4, protect
A) protection of input overvoltage/undervoltage is exchanged
Exchange (civil power, generator 1 or generator 2) input voltage to 3 tunnels to judge, the open circuit protection restore funcitons of overvoltage (264V), under-voltage (154V) is provided.
B) output overloading protection is exchanged
Stand-by AC exports 1,2,3,4 overload protections: 1.8kW ± 0.3kW;
Exchanging output overloading protection is: 6kW.
The invention provides a kind of intelligent power distribution and supply control system; the method and access of this technical scheme of specific implementation is a lot; the above is only the preferred embodiment of the present invention; should be understood that; for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be judged as protection scope of the present invention.The all available prior art of each part not clear and definite in the present embodiment is realized.
Claims (2)
1. an intelligent power distribution and supply control system, is characterized in that, described intelligent power distribution and supply control system runs through the civil power input of Single-chip Controlling one road and the input of two road generators, and the output of two-way air-conditioning, four road stand-by ACs and a road exchange output; Described intelligent power distribution and supply control system has the preferred locking control function of power supply to civil power input, two road generator inputs, specifically performs following steps:
When only there being civil power to input power supply, civil power inputs a road and accesses through solid-state relay K1, and the line voltage of access exports for air-conditioning 1 respectively through air switch S3 and air switch S4 and air-conditioning 2 exports; Civil power inputs another road and accesses through solid-state relay K2, the line voltage of access directly exports for exchanging, after AC relay K6, supply the 4th stand-by AC simultaneously, supply first, second stand-by AC through air switch S5 simultaneously, through air switch S6 for the 3rd stand-by AC;
When without civil power input or civil power input fault, started respectively by the controller of the first generator and the controller of the second generator, after two generators startups are worked well, the air switch S2 of the air switch S1 and the second generator that open the first generator connects generator powered, the second generator voltage connected accesses through solid-state relay K4, exports respectively and the output of the second air-conditioning through air switch S3 and air switch S4 for the first air-conditioning; The first generator voltage connected accesses through solid-state relay K3, directly export for exchanging, after AC relay K6, supply the 4th stand-by AC simultaneously, supply first, second stand-by AC through air switch S5 simultaneously, through air switch S6 for the 3rd stand-by AC, during power supply, if when the gross power of the first generator powered is greater than 5kW, cuts off first to fourth stand-by AC by AC relay K6 and export;
When only there being the first generator powered, the first generator is started by the controller of the first generator, Deng first generator start work well after, the air switch S1 opening the first generator connects the first generator powered, the first generator voltage connected accesses through solid-state relay K3, directly export for exchanging, after AC relay K6, supply the 4th stand-by AC simultaneously, supply first through air switch S5 simultaneously, second stand-by AC, through air switch S6 for the 3rd stand-by AC, if when the gross power of the first generator powered is greater than 5kW, cut off first to fourth stand-by AC by AC relay K6 to export,
When only there being the second generator powered, the second generator is started by the controller of the second generator, Deng second generator start work well after, the air switch S2 opening the second generator connects the second generator powered, the second generator voltage connected accesses through solid-state relay K5, directly export for exchanging, after AC relay K6, supply the 4th stand-by AC simultaneously, supply first through air switch S5 simultaneously, second stand-by AC, through air switch S6 for the 3rd stand-by AC, if when the gross power of the first generator powered is greater than 5kW, cut off first to fourth stand-by AC by AC relay K6 to export,
The magnitude of voltage that single-chip microcomputer utilizes the AD sampling module carried to input interchange, output current value are sampled; all samplings are averaged; the mean value obtained, described intelligent power distribution and supply control system has overvoltage/undervoltage and detects defencive function, specifically performs following steps:
Judge when single-chip microcomputer carries out sampling to the input voltage value of sampling unit, when being not more than 154V, permissible error-8V, namely be judged as under-voltage, light and the auditory tone cues of now corresponding input are reported to the police, and cut off corresponding input, if when now having other to input normally, then control this road relay to power, otherwise cut off all interchanges output;
When AC-input voltage return to be greater than 172V time, permissible error ± 4V, accesses again;
When sampled voltage is not less than 264V, permissible error+8V, is namely judged as overvoltage, light and the auditory tone cues of now corresponding input are reported to the police, and cut off corresponding input, if when now having other to input normally, then control this road relay to power, otherwise cut off all interchanges output;
When AC-input voltage return to be less than 257V time, permissible error ± 4V, accesses again.
2. the intelligent power distribution and supply control system of one according to claim 1, is characterized in that, described intelligent power distribution and supply control system overcurrent protection function, specifically performs following steps:
Carry out sampling when the ac output current value of single-chip microcomputer to sampling unit to judge, when judging that exchanging output valve is greater than 6KW, controlling this road and exchanging output relay disconnection.
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| CN202050284U (en) * | 2011-04-26 | 2011-11-23 | 广东康菱动力科技有限公司 | Spare power system for precision manufacturing industry |
| CN203251136U (en) * | 2013-04-16 | 2013-10-23 | 重庆南方迪马专用车股份有限公司 | Vehicle-mounted integrated power supply |
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| GB0130530D0 (en) * | 2001-12-20 | 2002-02-06 | Bg Intellectual Pty Ltd | A domestic combined heat and power unit |
| GB0818174D0 (en) * | 2008-10-03 | 2008-11-12 | Leaneco Aps | Emergency power supply apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202050284U (en) * | 2011-04-26 | 2011-11-23 | 广东康菱动力科技有限公司 | Spare power system for precision manufacturing industry |
| CN203251136U (en) * | 2013-04-16 | 2013-10-23 | 重庆南方迪马专用车股份有限公司 | Vehicle-mounted integrated power supply |
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