CN104092290A - Intelligent power supply and distribution control system - Google Patents
Intelligent power supply and distribution control system Download PDFInfo
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- CN104092290A CN104092290A CN201410315773.9A CN201410315773A CN104092290A CN 104092290 A CN104092290 A CN 104092290A CN 201410315773 A CN201410315773 A CN 201410315773A CN 104092290 A CN104092290 A CN 104092290A
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Abstract
The invention discloses a system which can conduct power supply and distribution control over multi-way alternating current input and output according to user needs, and particularly relates to a power supply and distribution control system mainly applied to a mobile vehicle-mounted system. According to power supply and distribution control system running, a single chip microcomputer controls one way of electric supply input, two ways of generator input, two ways of air-conditioner output, four ways of alternating-current standbys and one way of alternating current output, voltage values and current values are sampled, and a sound-light alarm is given. The power supply and distribution control system has the function of priority selection of the alternating-current output. The power supply and distribution control system further has the auxiliary functions of alternating-current input over-voltage and under-voltage protection, alternating-current output overload protection and the like. According to the power supply and distribution control system, the problems that existing comprehensive power sources of various vehicle-mounted power supply systems are single in function, and the using requirement cannot be completely met are solved, the design of the various power supply systems is simplified, function diversification is achieved, and the power supply and distribution control system has the wide development prospect.
Description
Technical field
The present invention relates to a kind of power supply-distribution system of vehicle-carried mobile system, particularly a kind of can be according to the user's request intelligent power distribution and supply control system that input and output supply distribution to control to multichannel AC.
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 what build these onboard system overriding concerns is electric power system.Each onboard system is according to the difference of application scenarios, and desired power supply design is also different.Traditional power supply design is by comprehensive power, to solve the distribution that supplies of onboard system, 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 developer's workload, 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 operation is inputted by a Single-chip Controlling one road civil power input and two road generators, and the output of two-way air-conditioning, four road stand-by ACs and a road exchange output; Described system has the preferred locking control function of power supply to civil power input, two road generator inputs, specifically carries out following steps:
When only having civil power input power supply, civil power is inputted a road through solid-state relay K1 access, and the line voltage of access is exported for air-conditioning 1 respectively and air-conditioning 2 outputs through air switch S3 and air switch S4; Civil power is inputted another road and is accessed through solid-state relay K2, the line voltage of access is directly for exchanging output, after AC relay K6, supply the 4th stand-by AC simultaneously, through air switch S5, supply first, second stand-by AC simultaneously, through air switch S6, supply the 3rd stand-by AC;
When without civil power input or civil power input fault, by the controller of the first generator and the controller of the second generator, start respectively, after two generators startups are worked well, open the air switch S1 of the first generator and the air switch S2 of the second generator and connect generator powered, the second generator voltage of connecting, through solid-state relay K4 access, is exported for the first air-conditioning output and the second air-conditioning respectively through air switch S3 and air switch S4; The first generator voltage of connecting accesses through solid-state relay K3, directly for exchanging output, after AC relay K6, supply the 4th stand-by AC simultaneously, through air switch S5, supply first, second stand-by AC simultaneously, through air switch S6, supply the 3rd stand-by AC, during power supply, if when the gross power of the first generator powered is greater than about 5kW, by AC relay K6, cuts off first to fourth stand-by AC and export;
When only having the first generator powered, controller by the first generator starts the first generator, after the first generator starts and to work well, the air switch S1 that opens the first generator connects the first generator powered, the first generator voltage of connecting accesses through solid-state relay K3, directly for exchanging output, after AC relay K6, supply the 4th stand-by AC simultaneously, after AC relay K6, supply the 4th stand-by AC simultaneously, through air switch S5, supply first simultaneously, the second stand-by AC, through air switch S6, supply the 3rd stand-by AC, when if the gross power of the first generator powered is greater than about 5kW, by AC relay K6, cutting off first to fourth stand-by AC exports,
When only having the second generator powered, controller by the second generator starts the second generator, after the second generator starts and to work well, the air switch S2 that opens the second generator connects the second generator powered, the second generator voltage of connecting accesses through solid-state relay K5, directly for exchanging output, after AC relay K6, supply the 4th stand-by AC simultaneously, after AC relay K6, supply the 4th stand-by AC simultaneously, through air switch S5, supply first simultaneously, the second stand-by AC, through air switch S6, supply the 3rd stand-by AC, when if the gross power of the first generator powered is greater than about 5kW, by AC relay K6, cutting off first to fourth stand-by AC exports.
In the present invention, the AD sampling module that single-chip microcomputer utilization carries is sampled to exchanging magnitude of voltage, the output current value of input, all samplings are averaged, and the mean value obtaining, described system has overvoltage/undervoltage and detects defencive function, specifically carries out following steps:
When single-chip microcomputer is to the judgement of sampling of the input voltage value of sampling unit, while being not more than 154V, permissible error-8V, be judged as under-voltage, now the light of corresponding input and auditory tone cues are reported to the police, and cut off corresponding input, if while now having other normal inputs, control this road relay and power, otherwise cut off all interchange output;
When AC-input voltage returns to while being greater than 172V, permissible error ± 4V, again access;
When sampled voltage is not less than 264V, permissible error+8V, is judged as overvoltage, now the light of corresponding input and auditory tone cues are reported to the police, and cut off corresponding input, if while now having other normal inputs, control this road relay and power, otherwise cut off all interchange output;
When AC-input voltage returns to while being less than 257V, permissible error ± 4V, again access.
In the present invention, described system overcurrent protection function, specifically carry out following steps:
When single-chip microcomputer is to the judgement of sampling of the ac output current value of sampling unit, when judgement exchanges output valve and is greater than 6KW, control this road and exchange output relay and disconnect.
The existing various dissimilar comprehensive powers of the present embodiment cooperation solve the confession distribution problem of various onboard systems, without designing new portable power source for specific user.According to general year car applied environment, the input of this enforcement design two-way generator powered, a road mains-supplied input, guarantee to provide 1 tunnel interchange output to offer comprehensive power and exchange and export to air-conditioning equipment with 2 tunnels, and 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 preferential selection function to exchanging output according to initial conditions.These facilities and equipments also have the protection of the input of interchange overvoltage/undervoltage, exchange the miscellaneous functions such as output overloading protection.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is done further and illustrated, above-mentioned and/or otherwise advantage of the present invention will become apparent.
Fig. 1 is that this intelligence is for the main control process flow figure of power distribution control equipment.
Fig. 2 is that this intelligence is for the interface microcontroller analogous diagram of power distribution control equipment.
Fig. 3 is that this intelligence is for the distribution control principle drawing of power distribution control equipment.
Embodiment
Embodiment
This enforcement has the preferred locking control function of power supply of civil power input, generator 1 input and generator 2 inputs; The overvoltage/undervoltage of mains input voltage detects, acousto-optic is indicated and defencive function; Overvoltage/undervoltage detection, acousto-optic indication and the defencive function of control, input voltage manually connected in the control function of generator 1 and generator 2 (controller is arranged on panel, the switching of control signal), power supply.
This enforcement has the indication of power supply state light-emitting diode and the overcurrent protection function of air-conditioning 1 output and air-conditioning 2 outputs, and can show electric current and voltage in EL screen display; The indication of power supply state light-emitting diode and the overcurrent protection function of 4 road stand-by AC outputs, and can show electric current and voltage in EL screen display.
Intelligence mainly realizes above-mentioned functions by Single-chip Controlling and hardware circuit design for power distribution control equipment, after start, single-chip microcomputer is sampled to corresponding civil power, generator 1, the magnitude of voltage of generator 2, current value, real-time monitors, and has sound and light alarm and the relay of each input/output terminal is controlled to function.
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 carry out.The all software units that form 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, configure each pin function; To general register initialization, each unit initial condition is set.
Sampling unit: the 10 bit AD sample modules that single-chip microcomputer utilization carries are sampled to exchanging magnitude of voltage, the output current value of input, software carries out 10 samplings to these inputs, these 10 values are averaged, and the mean value obtaining just deposits memory in as the basis for estimation of other software module as last result.
Alternating Current Unit: the order access to civil power, generator 1, generator 2, realizes distribution and controls.
Exchange input and output defencive function unit (overvoltage/undervoltage protection): when single-chip microcomputer is to the judgement of sampling of the input voltage value of sampling unit, while being not more than 154V (permissible error-8V), 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 while now having other normal voltages (172 ± 4V～257V ± 4V) input, power supply unit control is controlled this road relay and is powered, otherwise power supply unit power supply automatically cuts off all interchanges output, buzzer warning in the display alarm of EL screen now; When AC-input voltage returns to while being greater than 172V (permissible error ± 4V), access again automatically; When sampled voltage is not less than 264V (permissible error+8V), be judged as overvoltage, now corresponding input green indicating lamp dodges, buzzer 5s points out warning, the corresponding input of power supply unit cut-out, if while now having other normal inputs, power supply unit control is controlled this road relay and is powered, otherwise power supply unit power supply automatically cuts off all interchanges output, buzzer warning in the display alarm of EL screen now; When AC-input voltage returns to while being less than 257V (permissible error ± 4V), access again automatically.
Exchange input and output defencive function unit (overcurrent protection): when single-chip microcomputer is to the judgement of sampling of 3 road ac output current values of sampling unit; when judgement interchange output valve is greater than 6KW; power supply unit is controlled this road and is exchanged output relay disconnection, and buzzer warning is also in the display alarm of EL screen.This equipment is to realize by suitable overcurrent breaker protector to the overcurrent protection of stand-by AC output 1/2, and stand-by AC output 3 and stand-by AC output 4 are realized to (facilitating user as required this two-way output power consumption to be set) by sampling unit, Single Chip Microcomputer (SCM) program and power supply unit.
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 sampling;
Generator 1 voltage sample;
Generator 2 voltage samples;
Mains current sampling;
Generator 1 current sample;
Generator 2 current samples;
3 samplings of stand-by AC electric current;
4 samplings of stand-by AC electric current;
City's electric treatment;
Generator 1 is processed;
Generator 2 is processed;
City's electric generator conversion;
Detect all lamp states;
Alarming processing;
Overcurrent is processed;
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, exchange output detections control pin RE2, stand-by AC 4 detect control pin RE3, stand-by AC 3 detect control pin RE4, stand-by AC output 1/2 detect control pin RE5, air-conditioning 2 detect control pin RE6, air-conditioning 1 detects and controls pin RE7.
Distribution control principle is shown in Fig. 3, is described as follows:
When only having civil power input power supply, civil power is inputted a road through solid-state relay K1 access power supply, and the line voltage of access is exported for air-conditioning 1 respectively and air-conditioning 2 outputs through panel air switch S3～4; Civil power is inputted another road and is accessed power supply through solid-state relay K2, and the line voltage of access directly, for exchanging output, supplies stand-by AC 1/2, stand-by AC 3, stand-by AC 4 through AC relay K6 by panel air switch S5～7 simultaneously.
When without civil power input or civil power input fault, can be by generator 1 controller on panel and generator 2 controllers difference starter-generator 1 and generators 2, after generator startup is worked well, open panel generator 1 air switch S1 and generator 2 air switch S2 connection generator powered, generator 2 voltages of connecting are through solid-state relay K4 access power supply, and generator 2 voltages of access are exported for air-conditioning 1 output and air-conditioning 2 respectively through panel air switch S3～4; Generator 1 voltage of connecting is through solid-state relay K3 access power supply, generator 1 voltage of access is directly for exchanging output, simultaneously through AC relay K6 (during power supply, when if the gross power of generator 1 power supply is greater than about 5kW, by AC relay K6 cut-out stand-by AC output 1～4, thereby guarantee to exchange the power demand of exporting) by panel air switch S5～7, supply stand-by AC 1/2, stand-by AC 3, stand-by AC 4.
When only having generator 1 to power, can be by the generator 1 controller starter-generator 1 on panel, after generator 1 starts and works well, open panel generator 1 air switch S1 and connect generator 1 power supply, generator 1 voltage of connecting is through solid-state relay K3 access power supply, generator 1 voltage of access is directly for exchanging output, simultaneously through AC relay K6 (during power supply, when if the gross power of generator 1 power supply is greater than about 5kW, by AC relay K6, cut off stand-by AC output 1～4, thereby guarantee to exchange the power demand of output) by panel air switch S5～7, supply stand-by AC 1/2, stand-by AC 3, stand-by AC 4.
When only having generator 2 to power, can be by the generator 2 controller starter-generators 2 on panel, after generator 2 starts and works well, open panel generator 2 air switch S2 and connect generator 2 power supplies, generator 2 voltages of connecting are through solid-state relay K5 access power supply, generator 2 voltages of access are directly for exchanging output, simultaneously through AC relay K6 (during power supply, when if the gross power of generator 2 power supplies is greater than about 5kW, by AC relay K6, cut off stand-by AC output 1～4, thereby guarantee to exchange the power demand of output) by panel air switch S5～7, supply stand-by AC 1/2, 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 Table described in 1.
Table 1
Front panel arranges 8 green LEDs altogether, and corresponding title, state and implication are in Table described in 2.
Table 2
The performance index that this enforcement has are as follows:
1, input characteristics
Civil power input: voltage range is that 220V+20%-30% frequency range is that 50Hz ± 2.5Hz power is 12kW;
Generator 1 and generator 2 inputs: voltage range is that 220V+20%-30% frequency range is that 50Hz ± 2.5Hz power is 6kW.
2, output characteristic
A) air-conditioning 1 output and air-conditioning 2 outputs
Output voltage: follow in civil power and generator 2 normal the and the highest AC-input voltage of priority of voltage;
Power output capacity: air-conditioning 1 output and air-conditioning 2 outputs are 3kW respectively.
B) stand-by AC 1～4 with exchange output
Output voltage: follow in civil power, generator 1 and generator 2 normal the and the highest AC-input voltage of priority of voltage;
Power output capacity: stand-by AC output 1,2,3,4 is 1.5kW (wherein 3,4 can establish) respectively, exchanges and is output as 6kW.
3, power supply priority
A) air-conditioning 1 output and air-conditioning 2 outputs
Civil power input → generator 2.
B) stand-by AC 1～4 with exchange output
Civil power input → generator 1 → generator 2.
4, protection
A) exchange the protection of input overvoltage/undervoltage
3 tunnels are exchanged to (civil power, generator 1 or generator 2) input voltage and judge, the open circuit protection restore funcitons of overvoltage (264V), under-voltage (154V) is provided.
B) exchange output overloading protection
Stand-by AC output 1,2,3,4 overload protections are: 1.8kW ± 0.3kW;
Exchanging output overloading protection is: 6kW.
The invention provides a kind of intelligent power distribution and supply control system; method and the approach of this technical scheme of specific implementation are 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.In the present embodiment not clear and definite each part all available prior art realized.
Claims (3)
1. an intelligent power distribution and supply control system, is characterized in that, described system operation is inputted by a Single-chip Controlling one road civil power input and two road generators, and the output of two-way air-conditioning, four road stand-by ACs and a road exchange output; Described system has the preferred locking control function of power supply to civil power input, two road generator inputs, specifically carries out following steps:
When only having civil power input power supply, civil power is inputted a road through solid-state relay K1 access, and the line voltage of access is exported for air-conditioning 1 respectively and air-conditioning 2 outputs through air switch S3 and air switch S4; Civil power is inputted another road and is accessed through solid-state relay K2, the line voltage of access is directly for exchanging output, after AC relay K6, supply the 4th stand-by AC simultaneously, through air switch S5, supply first, second stand-by AC simultaneously, through air switch S6, supply the 3rd stand-by AC;
When without civil power input or civil power input fault, by the controller of the first generator and the controller of the second generator, start respectively, after two generators startups are worked well, open the air switch S1 of the first generator and the air switch S2 of the second generator and connect generator powered, the second generator voltage of connecting, through solid-state relay K4 access, is exported for the first air-conditioning output and the second air-conditioning respectively through air switch S3 and air switch S4; The first generator voltage of connecting accesses through solid-state relay K3, directly for exchanging output, after AC relay K6, supply the 4th stand-by AC simultaneously, through air switch S5, supply first, second stand-by AC simultaneously, through air switch S6, supply the 3rd stand-by AC, during power supply, if when the gross power of the first generator powered is greater than about 5kW, by AC relay K6, cuts off first to fourth stand-by AC and export;
When only having the first generator powered, controller by the first generator starts the first generator, after the first generator starts and to work well, the air switch S1 that opens the first generator connects the first generator powered, the first generator voltage of connecting accesses through solid-state relay K3, directly for exchanging output, after AC relay K6, supply the 4th stand-by AC simultaneously, after AC relay K6, supply the 4th stand-by AC simultaneously, through air switch S5, supply first simultaneously, the second stand-by AC, through air switch S6, supply the 3rd stand-by AC, when if the gross power of the first generator powered is greater than about 5kW, by AC relay K6, cutting off first to fourth stand-by AC exports,
When only having the second generator powered, controller by the second generator starts the second generator, after the second generator starts and to work well, the air switch S2 that opens the second generator connects the second generator powered, the second generator voltage of connecting accesses through solid-state relay K5, directly for exchanging output, after AC relay K6, supply the 4th stand-by AC simultaneously, after AC relay K6, supply the 4th stand-by AC simultaneously, through air switch S5, supply first simultaneously, the second stand-by AC, through air switch S6, supply the 3rd stand-by AC, when if the gross power of the first generator powered is greater than about 5kW, by AC relay K6, cutting off first to fourth stand-by AC exports.
2. a kind of intelligent power distribution and supply control system according to claim 1; it is characterized in that; the AD sampling module that single-chip microcomputer utilization carries is sampled to exchanging magnitude of voltage, the output current value of input; all samplings are averaged; the mean value obtaining; described system has overvoltage/undervoltage and detects defencive function, specifically carries out following steps:
When single-chip microcomputer is to the judgement of sampling of the input voltage value of sampling unit, while being not more than 154V, permissible error-8V, be judged as under-voltage, now the light of corresponding input and auditory tone cues are reported to the police, and cut off corresponding input, if while now having other normal inputs, control this road relay and power, otherwise cut off all interchange output;
When AC-input voltage returns to while being greater than 172V, permissible error ± 4V, again access;
When sampled voltage is not less than 264V, permissible error+8V, is judged as overvoltage, now the light of corresponding input and auditory tone cues are reported to the police, and cut off corresponding input, if while now having other normal inputs, control this road relay and power, otherwise cut off all interchange output;
When AC-input voltage returns to while being less than 257V, permissible error ± 4V, again access.
3. a kind of intelligent power distribution and supply control system according to claim 1, is characterized in that, described system overcurrent protection function is specifically carried out following steps:
When single-chip microcomputer is to the judgement of sampling of the ac output current value of sampling unit, when judgement exchanges output valve and is greater than 6KW, control this road and exchange output relay and disconnect.
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| CN201410315773.9A CN104092290B (en) | 2014-07-03 | 2014-07-03 | A kind of intelligent power distribution and supply control system |
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| CN201410315773.9A CN104092290B (en) | 2014-07-03 | 2014-07-03 | A kind of intelligent power distribution and supply control system |
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| CN104092290B CN104092290B (en) | 2016-02-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109002042A (en) * | 2018-08-09 | 2018-12-14 | 北京智行者科技有限公司 | Electric-control system |
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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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| JP2005519575A (en) * | 2001-12-20 | 2005-06-30 | マイクロゲン エナジー リミテッド | Household heat and power supply unit |
| US20110187197A1 (en) * | 2008-10-03 | 2011-08-04 | Leaneco Aps | Emergency power supply apparatus |
| 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 |
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