CN107608438A - Rental house safety utilization of electric power control system and control method based on Current Control Technology - Google Patents
Rental house safety utilization of electric power control system and control method based on Current Control Technology Download PDFInfo
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- CN107608438A CN107608438A CN201710961809.4A CN201710961809A CN107608438A CN 107608438 A CN107608438 A CN 107608438A CN 201710961809 A CN201710961809 A CN 201710961809A CN 107608438 A CN107608438 A CN 107608438A
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Abstract
The invention discloses a kind of rental house safety utilization of electric power control system based on Current Control Technology, and it includes register one's residence current detecting unit, master controller, multiple rental house power units；Multiple rental house power units are connected by multichannel air switch with current detecting unit of registering one's residence；Each rental house power unit includes current detecting and control module, and current detecting gathers the real-time working electric current of each high-power electric appliance and radio to master controller by controller in real time with control module；Master controller determines the actual upper limit of total current of registering one's residence according to the total current of registering one's residence for current detecting unit detection of registering one's residence, and the real-time working electric current for combining the high-power electric appliance of each rental house power unit distributes the operating current of each rental house high-power electric appliance, to control the working condition of high-power electric appliance in each rental house.The present invention also provides a kind of rental house safety utilization of electric power control method.The present invention can ensure that rental house Electrical Safety.
Description
Technical field
The invention belongs to Electrical Safety management domain, and in particular to a kind of rental house based on Current Control Technology is used safely
Electric control system and control method.
Background technology
Rental house is the product of economic development, and the surging product of current room rate, rental house area are small, inexpensive.Hire out
Though room is small, the living facilities such as electrical equipment are available in all varieties, such as air-conditioning, electric heater, cause rental house electricity consumption easily overload,
Cause the accident of fire to emerge in an endless stream, bring serious social concern and economic loss.
Used as family, the usual current limliting 63A of total air switch of registering one's residence, can meet the common electric equipment of one family makes
With such as electric heater, air-conditioning, micro-wave oven high-power electric appliance.But in rental house, high-power electric appliance is multiplied, when simultaneously
Easily exceed total load during use.By taking 8 cubicle rental houses as an example, if 8 water heaters (specified 10A) and 8 air-conditionings are (specified
5A) use simultaneously, at least up to 120A considerably beyond current limliting 63A, is caused tripping operation or electric wire heating by total current.Therefore, having must
Use that will be to rental house high-power electric appliance is effectively controlled.
The content of the invention
It is an object of the invention to provide a kind of rental house safety utilization of electric power control system based on Current Control Technology and control
Method processed, the control system and control method can be controlled rental house high-power electric appliance in real time, according to the work of electric heater
Make state and total current of registering one's residence, the operating current of reasonable distribution high-power electric appliance, general power is controlled into the scope in security clearance
It is interior, solve the problems, such as rental house electrical equipment overload, improve rental house Electrical Safety.
The technical solution adopted in the present invention is：
A kind of rental house safety utilization of electric power control system based on Current Control Technology, its current detecting unit that includes registering one's residence,
Master controller and multiple rental house power units；Multiple rental house power units pass through multichannel air switch and current detecting of registering one's residence
Unit connects；
Each rental house power unit include current detecting and control module, earth leakage circuit-breaker, controller, without line number
According to transmission unit, earth leakage circuit-breaker is connected with current detecting with control module, controller, high-power electric appliance respectively；Electric current is examined
Survey and control module gather the operating current of each high-power electric appliance to controller in real time, and controller is by radioing to master control
Device processed；
Master controller determines the actual upper limit of total current of registering one's residence according to the total current of registering one's residence for current detecting unit detection of registering one's residence,
And the real-time working electric current for combining the high-power electric appliance of each rental house power unit distributes the work of each rental house high-power electric appliance
Make electric current, to control the working condition of high-power electric appliance in each rental house.
By such scheme, current detecting includes controllable silicon summation current transformer, current detecting and control mould with control module
The control electric current size that master controller distributes is scaled the angle of flow of controllable silicon by block, is led by controller timer internal
Logical pulse control signal, then controllable silicon is controlled, so as to by controlling the size of thyristor operating angle to control the electricity of high-power electric appliance
Flow size.
By such scheme, when the high-power electric appliance is electric heater, rental house power unit also includes water temperature and detected
Module, the water temperature of water temperature detection module detection electric heater simultaneously radio to master controller by controller；Master controller
The working condition of each electric heater is obtained according to the water temperature of the real-time working electric current of the electric heater of each rental house and electric heater,
And corresponding current control instruction is returned, control the operating current of electric heater.
By such scheme, the working condition of the electric heater include off-mode, keeping warm mode, powered-down use state,
Energization use state, heated condition and leakage condition；
Off-mode is that water temperature is constant, operating current zero in the range of certain time；
Keeping warm mode is in the range of the regular hour, and water temperature change is not more than certain value, and operating current is less than certain value；
Powered-down use state be in the range of certain time, water temperature drop, operating current zero；
Energization use state is in the range of certain time, and water temperature change is not more than certain value, and operating current is more than certain
Value；
Heated condition is in the range of the regular hour, and water temperature rises, and operating current is more than certain value；
Leakage condition, which is operating current higher than the rated current of electric heater or the angle of flow, still has electric current when being zero
Situation.
By such scheme, master controller is calculated according to the working condition of electric heater and reasonable distribution electric current, electric heater
Preferential power cutoff in leakage condition is switched and alarmed；Electric heater is under use state, has power priority；Electricity
Water heater is under heated condition, has second priority power.I.e.：Ensure that the electric heater in energization use state is working properly,
Allow the electric heater in heated condition suitably to reduce operating current, extend the heat time；For leakage condition, then controlling switch
Power-off, and alarm.
It is described to be wirelessly transferred using ZigBee wireless sensor networks by such scheme, low-power consumption and can automatic network-building, appoint
Meaning increase and decrease node does not influence data transfer.
The present invention also provides a kind of rental house safety utilization of electric power control method based on above-mentioned control system, and it includes following step
Suddenly：
The current detecting of each rental house power unit gathers the real-time working electricity of high-power electric appliance with control module in real time
Flow and the real-time working electric current is passed into controller；Real-time working electric current is radioed to master controller by controller；
Master controller is according to the actual upper limit of the total current of registering one's residence of calculating and the high-power electricity of each rental house power unit
The real-time working electric current of device distributes the operating current of each rental house high-power electric appliance, to control the work shape of each high-power electric appliance
State.
By such scheme, when high power device is electric heater, the water temperature of water temperature detection module detection electric heater is simultaneously
Master controller is radioed to by controller；Master controller is according to the real-time working electric current and electricity of the electric heater of each rental house
The water temperature of water heater obtains the working condition of electric heater, and returns to corresponding current control instruction, controls the work of electric heater
Make electric current；
The working condition of the electric heater uses shape including off-mode, keeping warm mode, powered-down use state, energization
State, heated condition and leakage condition；
Off-mode is that water temperature is constant, operating current zero in the range of certain time；
Keeping warm mode is in the range of the regular hour, and water temperature change is not more than certain value, and operating current is less than certain value；
Powered-down use state be in the range of certain time, water temperature drop, operating current zero；
Energization use state is in the range of certain time, and water temperature change is not more than certain value, and operating current is more than certain
Value；
Heated condition is in the range of the regular hour, and water temperature rises, and operating current is more than certain value；
Leakage condition, which is operating current higher than the rated current of electric heater or the angle of flow, still has electric current when being zero
Situation.
By such scheme, master controller is calculated according to the working condition of electric heater and reasonable distribution electric current, electric heater
Under energization use state, there is power priority；Electric heater is under heated condition, has second priority power；For leakage
The water heater of electricity condition then controls power cutoff and alarmed.
By such scheme, master controller is entered by the fuzzy control strategy based on electric heater operating current to electric heater
Row control, the step of calculating the operating current size of each electric heater in the fuzzy control strategy be：
If total current is I0, common N number of room, the basic electric appliance in n-th of room is Ibn, electrical water heater electric Ihn,
Then have
Total current I0Upper limit IU=IH-IF, I in formulaHFor upper current limit of registering one's residence, IFOperated at full capacity for separate unit electric heater
Electric current；
Therefore, the available total current I of electric heater workhFor
Electric heater quantity in energization use state is p, is q just in the electric heater quantity of heated condition,
There is equation group：
In formula, IpFor the electric heater operating current for the use state that is powered, IqFor just in the electric heater of heated condition
Operating current, IFOperated at full capacity electric current for separate unit electric heater；
Consider the electrical water heater electric preference of energization use state, its electricity consumption electric current is assigned as
Ip=Ih/p≤IF
Consideration is just assigned as in the less preferred power of electrical water heater electric of heated condition, its electricity consumption electric current
Iq=(Ih-pIp)/q≤IF。
By such scheme, master controller is controlled by electrical work Current Control Strategy to electric heater, is specially：
The control electric current size that master controller distributes is scaled the angle of flow of controllable silicon with control module by current detecting, fixed by inside
When device obtain conduction pulses signal, then controllable silicon is controlled, so as to by controlling the size of thyristor operating angle to control electric heater
Size of current.
In the present invention, rental house electrical equipment, some is primary demand, it is necessary to assure normal use, such as illumination, socket are used
Electric (such as computer electricity consumption), air-conditioning；Some is non-primary demand, for example high power electrothermal hydrophone, the application can make greatly
Power electric water heater uses according to specifically used situation timesharing use or current limliting, avoids overload operation.
The beneficial effects of the present invention are：
Detect the real-time working electric current of each room high-power electric appliance, master controller in real time by current detecting and control module
The operating current size of each room high-power electric appliance is rationally controlled according to real-time working electric current, it is ensured that total current is in nominal load
Under, so as to eliminate rental house electrical equipment overload operation, resulting fire incident is reduced or eliminated, at the same it is pre- to electric leakage electrical equipment
It is first turned off power supply and alarms, it is ensured that Electrical Safety；
This control system and control method are simple, and exploitativeness is strong, prevent the overweight hidden danger of power load, and application prospect is wide
It is wealthy, there are higher economic results in society；
The present invention is just for specific high-power electric appliance, without influenceing the normal of illumination, the electricity consumption of socket small-power and air-conditioning
Use.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is the structured flowchart of the rental house safety utilization of electric power control system based on Current Control Technology.
Fig. 2 is the circuit theory diagrams of current detecting and control module；
Shown in figure：U01 is controller；U02 is the first optocoupler；U03 is the second optocoupler；U04 is rectification silicon bridge；U05 is
Controllable silicon；U06 is current transformer.
Fig. 3 is the graph of a relation that zero-crossing of alternating current impulse waveform controls waveform with thyristor operating angle；
Shown in figure：The rising edge of zero-crossing pulse and the time interval of second trailing edge and second rising edge, respectively
It is designated as TaAnd T, here T be AC signal cycle, TcFor apart from the time interval of zero crossing；TbFor alternating current zero passage detection arteries and veins
The rising edge of waveform is rushed to the delay time width of controlled silicon conducting rising edge of a pulse.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.
Embodiment 1, referring to Fig. 1 and Fig. 2, a kind of rental house safety utilization of electric power control system based on Current Control Technology, its
Including current detecting unit of registering one's residence, master controller, wireless data transmission unit, multichannel air switch, multiple rental house electricity consumption lists
Member；Current detecting unit of registering one's residence is connected with drop cable, master controller respectively, and master controller connects with wireless data transmission unit
Connect, the total current of the drop cable of collection is passed to master controller by current detecting unit of registering one's residence；Drop cable is empty by multichannel
Air cock is connected with each rental house power unit.Rental house power unit may include illuminating lamp, socket, air-conditioning, electric heater
With electric heater control unit, electric heater control unit includes current detecting and control module, controller, water temperature detection mould
Block, earth leakage circuit-breaker, wireless data transmission unit；Illuminating lamp, socket, air-conditioning, current detecting and control module respectively with it is more
Road air switch connection；Electric heater is connected with current detecting with control module, water temperature detection module respectively；Earth leakage circuit-breaker
It is connected respectively with current detecting with control module, controller, electric heater；Current detecting and control module, water temperature detection module
It is connected with controller, controller is connected with wireless data transmission unit.
Current detecting gathers the real-time working electric current of electric heater with control module and passes to the real-time working electric current
Controller；Water temperature detection module gathers the real-time water temperature information of electric heater and by the real-time water temperature information transmission to controller；
Operating current and water temperature information are passed to master controller by controller by wireless data transmission unit；Master controller is according to registering one's residence
The total current of registering one's residence of current detecting unit detection determines the actual upper limit of total current of registering one's residence, and combines each rental house power unit
Electric heater real-time working electric current and water temperature distribute the operating current of each rental house electric heater, to control each rental house
The working condition of middle high-power electric appliance.
In the present embodiment, current detecting unit of registering one's residence is in and registered one's residence in distribution box.Master controller passes through current detecting of registering one's residence
Unit obtains total electricity consumption size of current, and each gentle real-time working of electric heater Real-time Water is obtained by wireless data transmission network
Electric current, the operating current size of each room electric heater is rationally controlled, normally made not influenceing each other electrical equipment in rental house room
In the case of, the total current that makes to register one's residence is operated in safe range.
In the present embodiment, master controller is controlled by electrical work Current Control Strategy to electric heater, is specially：
The control electric current size that master controller distributes is scaled the angle of flow of controllable silicon with control module by current detecting, passes through controller
Timer internal obtains conduction pulses control signal, then controls controllable silicon, so as to the size control by controlling thyristor operating angle
The size of current of electric heater processed.Current detecting and control module include current-limiting resistance R6, current-limiting resistance R8, rectification silicon bridge U04,
First optocoupler U03, the second optocoupler U02, controllable silicon U05, current transformer；Current-limiting resistance R6 one end and civil power 220V alternating currents
Live wire connection, current-limiting resistance R8 one end be connected with the zero line of civil power 220V alternating currents, the current-limiting resistance R6 other end, current limliting
The resistance R8 other end is connected with rectification silicon bridge U04, and rectification silicon bridge U04 is connected with the first optocoupler U03 input, the first optocoupler
U03 output end is connected with controller U01 INT pins；First optocoupler U03 output end passes through resistance R3 and the second optocoupler
U02 the first pin connection, the second optocoupler U02 the first pin are connected by resistance R1 with controller U01 P1.0 pins, the
Two optocoupler U02 second pin is connected by resistance R2 with controller U01 P1.0 pins, the second optocoupler U02 the 3rd pin
It is connected with controllable silicon U05 control pole, the second optocoupler U02 the 3rd pin is also connected by resistance R4 and controllable silicon U05 negative electrode
Connect, the second optocoupler U02 the 4th pin is connected by resistance R5 with controllable silicon U05 anode；Controllable silicon U05 anode and civil power
The zero line connection of 220V alternating currents；Controllable silicon U05 negative electrode is connected by one end of current transformer U06 and electric heater (load)
Connect, the other end of electric heater (load) is connected with the live wire of civil power 220V alternating currents；Current transformer U06 and resistance R10's
One end is connected, and the resistance R10 other end is connected with controller U01 ADC pins, and the resistance R10 other end is connect by electric capacity C1
Ground, the resistance R10 other end are also connected with diode D1, diode D2 respectively.220V civil power, by current-limiting resistance R6, R8
With bridge rectifier module U04, connect with the first optocoupler U03；Sent out in the positive half cycle of civil power 220V alternating currents in the first optocoupler U03
Optical diode conducting is luminous, exports low level；In the negative half period of civil power 220V alternating currents, light-emitting diodes in the first optocoupler U03
Pipe does not light, and exports high level signal, and at the time of obtaining 220V AC voltage zero crossing, the signal connects with controller U01, makees
For controller exterior terminal signal source；Further calculated by zero signal and obtain accurate crossover point signal, and by master control
The control electric current size of device distribution is scaled the angle of flow of controllable silicon, obtains conduction pulses signal by timer internal, passes through
Controller I/O port P1.0 is exported to the first optocoupler U02, controls controllable silicon U05, so as to by controlling the size of the angle of flow to control electricity
Size of current on water heater；Electric current on electric heater (load) is converted to voltage by current transformer U06 in resistance R9
Signal, filter to obtain DC voltage by R10, C1, D1, D2 amplitude limit, transmit to the analog-digital converter ADC inside controller U01,
Obtain electric heater (load) electric current.
In the present embodiment, the working condition of electric heater includes off-mode, keeping warm mode, powered-down use state, energization
Use state, heated condition and leakage condition；
Off-mode is that water temperature is constant, operating current zero in the range of certain time；
Keeping warm mode is in the range of the regular hour, and water temperature change is not more than certain value, and operating current is less than certain value；
Powered-down use state be in the range of certain time, water temperature drop, operating current zero；
Energization use state is in the range of certain time, and water temperature change is not more than certain value, and operating current is more than certain
Value；
Heated condition is in the range of the regular hour, and water temperature rises, and operating current is more than certain value；
Leakage condition, which is operating current higher than the rated current of electric heater or the angle of flow, still has electric current when being zero
Situation.
Off-mode, keeping warm mode, powered-down use state are low current or no current state, unpowered priority；It is logical
Electric use state is water heater use state, has power priority；Heated condition is water heater preparation use state, has and supplies
Electric second priority power；I.e.：It is preferential to ensure that the electric heater in use state is working properly；Allow the electric heater in heated condition
It is appropriate to reduce operating current, extend the heat time；The preferential power cutoff in leakage condition is allowed to switch and alarm.
In the present embodiment, be wirelessly transferred using ZigBee wireless sensor networks, low-power consumption and can automatic network-building, it is any to increase
Subtracting node does not influence data transfer.
It is a kind of that rental house use safely is carried out using the above-mentioned rental house safety utilization of electric power control system based on Current Control Technology
The method of electric control, it comprises the following steps：The current detecting of each rental house power unit gathers electricity in real time with control module
The real-time working electric current is simultaneously passed to controller by the real-time working electric current of water heater, water temperature detection module detection electric heater
The water temperature is simultaneously passed to controller by water temperature, and controller real-time working electric current and water temperature are passed to by wireless data transmission unit
Master controller；
Master controller is according to the actual upper limit of the total current of registering one's residence of calculating and the electric heater of each rental house power unit
Real-time working electric current and water temperature obtain the working condition of electric heater, distribute the operating current of each rental house electric heater, with
Control the working condition of each electric heater.
The working condition of electric heater include off-mode, keeping warm mode, powered-down use state, energization use state, plus
Warm status and leakage condition；
Off-mode is that water temperature is constant, operating current zero in the range of certain time；
Keeping warm mode is in the range of the regular hour, and water temperature change is not more than certain value, and operating current is less than certain value；
Powered-down use state be in the range of certain time, water temperature drop, operating current zero；
Energization use state is in the range of certain time, and water temperature change is not more than certain value, and operating current is more than certain
Value；
Heated condition is in the range of the regular hour, and water temperature rises, and operating current is more than certain value；
Electric heater has power priority when being under use state；Have when electric heater is under heated condition secondary
Priority；
Leakage condition, which is operating current higher than the rated current of electric heater or the angle of flow, still has electric current when being zero
Situation.
In the present embodiment, master controller is entered by the fuzzy control strategy based on electric heater operating current to electric heater
Row control, the step of calculating the operating current size of each electric heater in the fuzzy control strategy be：
If total current is I0, common N number of room, the basic electric appliance in n-th of room is Ibn, electrical water heater electric Ihn,
Then have
Total current I0Upper limit IU=IH-IF, I in formulaHFor upper current limit of registering one's residence, IFOperated at full capacity for separate unit electric heater
Electric current；
Therefore, the available total current I of electric heater workhFor
Electric heater quantity in energization use state is p, is q just in the electric heater quantity of heated condition,
There is equation group：
In formula, IpFor the electric heater operating current for the use state that is powered, IqFor just in the electric heater of heated condition
Operating current, IFOperated at full capacity electric current for separate unit electric heater；
Consider the electrical water heater electric preference of energization use state, its electricity consumption electric current is assigned as
Ip=Ih/p≤IF
Consideration is just assigned as in the less preferred power of electrical water heater electric of heated condition, its electricity consumption electric current
Iq=(Ih-pIp)/q≤IF。
Master controller is controlled by electrical work Current Control Strategy to electric heater, is specially：Current detecting with
The control electric current size that master controller distributes is scaled the angle of flow of controllable silicon by control module, passes through controller timer internal
Conduction pulses control signal is obtained, then controls controllable silicon, so as to by controlling the size of thyristor operating angle to control electric heater
Size of current.
In the present embodiment, the operating current of each electric heater is controlled to need to control the ON time of controllable silicon, it is necessary to first
The zero passage detection of alternating current is obtained, then the angle of flow size of controllable silicon is calculated according to preset size of current, the control angle of flow is just
The size of output voltage is controlled, that is, controls the size of operating current.That is, as shown in Fig. 2 due to electric main by
The influence of power network, load change and interference, simple electric circuit inspection civil power zero crossing are not accurate, it is necessary to further be located enough
Reason, obtain the civil power zero crossing of precision.As shown in figure 3, because reference voltage value is more than zero, on actual zero passage detection waveform
Rise along actual zero crossing is ahead of, using the rising edge of zero passage detection waveform as reference, trigger controller counts, under record second
The time interval of edge and second rising edge is dropped, is designated as T respectivelyaAnd T, T is the cycle of AC signal here, then apart from zero crossing
Time interval TcFor
The note angle of flow is θ, and corresponding time delay isThe time delay T that controller is setbFor
Fixed in view of the load resistance of electric heater, therefore, control conduction angle just controls the size of output voltage,
Namely control the size of operating current；Conduction angle and output voltage U0Relation be
In formula：Ui is supply voltage, and residential electricity consumption 220V, φ are the phase of voltage waveform.
This control system and control method can be used for the size of current control of other high-power electric appliances in addition to electric heater
System, need not simply set water temperature detection module to detect the water temperature of its high-power electric appliance.I.e.：A kind of going out based on Current Control Technology
Rent room safety utilization of electric power control system, its current detecting unit that includes registering one's residence, master controller, wireless data transmission unit and it is multiple go out
Rent room power unit；Multiple rental house power units are connected by multichannel air switch with current detecting unit of registering one's residence；It is each go out
Renting room power unit includes current detecting and control module, controller, earth leakage circuit-breaker and wireless data transmission unit, leakage
Electric protective circuit breaker is connected with current detecting with control module, controller, high-power electric appliance respectively；Current detecting is real with control module
When gather the real-time working electric current of each high-power electric appliance and be transferred to controller, controller is passed by wireless data transmission unit
It is defeated by master controller；Master controller determines the reality of total current of registering one's residence according to the total current of registering one's residence for current detecting unit detection of registering one's residence
The upper limit, and the real-time working electric current for combining the high-power electric appliance of each rental house power unit distributes each rental house high-power electric appliance
Operating current, to control the working condition of high-power electric appliance in each rental house.Master controller is according to total electricity of registering one's residence of calculating
It is high-power that the real-time working electric current of the actual upper limit of stream and the high-power electric appliance of each rental house power unit distributes each rental house
The operating current of electrical equipment, to control the working condition of each high-power electric appliance.
This method can not obtain accurate electric current apportioning cost, but because considering electricity consumption priority, can constantly adjust electric current distribution
Size, to obtain optimal control strategy.Because user has certain consumption habit, control system will rationally divide with reference to electricity consumption
With size of current, it is allowed to obtain suitable optimum current allocation strategy, also meets the consumption habit of different user.
The present invention has advantages below：
Adaptability is stronger
Current parameters (electric heater also includes temperature parameter) variation prediction high-power electric appliance of foundation high-power electric appliance
Working condition, electric current is more distributed according to working condition；
Low cost
Using wireless sensor network, the not data acquisition of chummery and electric current distribution is passed by wireless sensor network
It is defeated, it is not necessary to power line transmission or wire transmission；
Security
By gathering all electric appliance electric currents, and it is allocated, it is ensured that total current is not exceeded, and allows some leeway；When going out
Now during burst electricity consumption current surge, system timely responds to, redistribution current, it is ensured that total current is not exceeded；To leakage condition, carry
Early monitoring, alarming processing；
Hommization
By the way that the use of electric heater is classified as into 4 states, it is ensured that the user for being badly in need of using preferentially uses.
It should be appreciated that for those of ordinary skills, can according to the above description be improved or converted,
And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (10)
- A kind of 1. rental house safety utilization of electric power control system based on Current Control Technology, it is characterised in that：Including electric current inspection of registering one's residence Survey unit, master controller, multiple rental house power units；Multiple rental house power units pass through multichannel air switch and electricity of registering one's residence Flow detection unit connection；Each rental house power unit includes current detecting and passed with control module, earth leakage circuit-breaker, controller, wireless data Defeated unit, earth leakage circuit-breaker are connected with current detecting with control module, controller, high-power electric appliance respectively；Current detecting with Control module gathers the operating current of each high-power electric appliance to controller in real time, and controller is by radioing to master control Device；Master controller determines the actual upper limit of total current of registering one's residence according to the total current of registering one's residence for current detecting unit detection of registering one's residence, and ties The real-time working electric current for closing the high-power electric appliance of each rental house power unit distributes the work electricity of each rental house high-power electric appliance Stream, to control the working condition of high-power electric appliance in each rental house.
- 2. the rental house safety utilization of electric power control system according to claim 1 based on Current Control Technology, it is characterised in that： Current detecting includes controllable silicon summation current transformer, the control that current detecting distributes master controller with control module with control module Size of current processed is scaled the angle of flow of controllable silicon, and conduction pulses signal is obtained by timer internal, then controls controllable silicon, from And by controlling the size of thyristor operating angle to control the size of current of high-power electric appliance.
- 3. the rental house safety utilization of electric power control system according to claim 1 based on Current Control Technology, it is characterised in that： When the high-power electric appliance is electric heater, rental house power unit also includes water temperature detection module, the water temperature detection module Detect the water temperature of electric heater and master controller is radioed to by controller；Master controller is according to the electric hot water of each rental house The real-time working electric current of device and the water temperature of electric heater obtain the working condition of electric heater, and return to corresponding current control and refer to Order, control the operating current of each electric heater.
- 4. the rental house safety utilization of electric power control system according to claim 3 based on Current Control Technology, it is characterised in that： The working condition of the electric heater includes off-mode, keeping warm mode, powered-down use state, energization use state, heating shape State and leakage condition；Off-mode is that water temperature is constant, operating current zero in the range of certain time；Keeping warm mode is in the range of the regular hour, and water temperature change is not more than certain value, and operating current is less than certain value；Powered-down use state be in the range of certain time, water temperature drop, operating current zero；Energization use state is in the range of certain time, and water temperature change is not more than certain value, and operating current is more than certain value；Heated condition is in the range of the regular hour, and water temperature rises, and operating current is more than certain value；Leakage condition is that operating current is higher than the situation that electric current is still had when the rated current of electric heater or the angle of flow are zero.
- 5. the rental house safety utilization of electric power control system according to claim 4 based on Current Control Technology, it is characterised in that：Master controller is calculated according to the working condition of electric heater and reasonable distribution electric current, electric heater are in the excellent of leakage condition It is first turned off power switch and alarms；Electric heater is under energization use state, has power priority；Electric heater, which is in, to be added Under Warm status, there is second priority power.
- 6. a kind of rental house safety utilization of electric power control method based on claim 1, it is characterised in that comprise the following steps：The current detecting of each rental house power unit gathers the real-time working electric current of high-power electric appliance simultaneously in real time with control module The real-time working electric current is passed into controller；Real-time working electric current is radioed to master controller by controller；Master controller is according to the high-power electric appliance of the actual upper limit of the total current of registering one's residence of calculating and each rental house power unit Real-time working electric current distributes the operating current of each rental house high-power electric appliance, to control the working condition of each high-power electric appliance.
- 7. rental house safety utilization of electric power control method according to claim 6, it is characterised in that：When high power device is electric heater, the water temperature of water temperature detection module detection electric heater is simultaneously wirelessly passed by controller It is defeated by master controller；Master controller obtains according to the real-time working electric current of the electric heater of each rental house and the water temperature of electric heater The working condition of electric heater, and corresponding current control instruction is returned, control the operating current of electric heater；The working condition of the electric heater include off-mode, keeping warm mode, powered-down use state, energization use state, plus Warm status and leakage condition；Off-mode is that water temperature is constant, operating current zero in the range of certain time；Keeping warm mode is in the range of the regular hour, and water temperature change is not more than certain value, and operating current is less than certain value；Powered-down use state be in the range of certain time, water temperature drop, operating current zero；Energization use state is in the range of certain time, and water temperature change is not more than certain value, and operating current is more than certain value；Heated condition is in the range of the regular hour, and water temperature rises, and operating current is more than certain value；Leakage condition is that operating current is higher than the situation that electric current is still had when the rated current of electric heater or the angle of flow are zero.
- 8. rental house safety utilization of electric power control method according to claim 7, it is characterised in that：Master controller is according to electric hot water The working condition of device calculates and reasonable distribution electric current, the preferential power cutoff that electric heater is in leakage condition are switched and alarmed； Electric heater is under energization use state, has power priority；Electric heater is under heated condition, has second priority Power.
- 9. the rental house safety utilization of electric power control method according to claim 7 based on Current Control Technology, it is characterised in that： Master controller is controlled by the fuzzy control strategy based on electric heater operating current to electric heater, the fuzzy control plan Slightly it is middle calculate each electric heater operating current size the step of be：If total current is I0, common N number of room, the basic electric appliance in n-th of room is Ibn, electrical water heater electric Ihn, then have<mrow> <msub> <mi>I</mi> <mn>0</mn> </msub> <mo>=</mo> <munderover> <mo>&Sigma;</mo> <mrow> <mi>n</mi> <mo>=</mo> <mn>1</mn> </mrow> <mi>N</mi> </munderover> <mrow> <mo>(</mo> <msub> <mi>I</mi> <mrow> <mi>b</mi> <mi>n</mi> </mrow> </msub> <mo>+</mo> <msub> <mi>I</mi> <mrow> <mi>h</mi> <mi>n</mi> </mrow> </msub> <mo>)</mo> </mrow> </mrow>Total current I0Upper limit IU=IH-IF, I in formulaHFor upper current limit of registering one's residence, IFOperated at full capacity electricity for separate unit electric heater Stream；Therefore, the available total current I of electric heater workhFor<mrow> <msub> <mi>I</mi> <mi>h</mi> </msub> <mo>=</mo> <msub> <mi>I</mi> <mn>0</mn> </msub> <mo>-</mo> <munder> <mo>&Sigma;</mo> <mi>n</mi> </munder> <msub> <mi>I</mi> <mrow> <mi>b</mi> <mi>n</mi> </mrow> </msub> </mrow>Electric heater quantity in energization use state is p, is q just in the electric heater quantity of heated condition, the side of having Journey group：<mfenced open = "{" close = ""> <mtable> <mtr> <mtd> <mi>p</mi> <mo>+</mo> <mi>q</mi> <mo>&le;</mo> <mi>N</mi> </mtd> </mtr> <mtr> <mtd> <msub> <mi>I</mi> <mi>h</mi> </msub> <mo>&GreaterEqual;</mo> <mi>p</mi> <msub> <mi>I</mi> <mi>p</mi> </msub> <mo>+</mo> <mi>q</mi> <msub> <mi>I</mi> <mi>q</mi> </msub> </mtd> </mtr> <mtr> <mtd> <msub> <mi>I</mi> <mi>q</mi> </msub> <mo><</mo> <msub> <mi>I</mi> <mi>p</mi> </msub> <mo>&le;</mo> <msub> <mi>I</mi> <mi>F</mi> </msub> </mtd> </mtr> </mtable> </mfenced>In formula, IpFor the electric heater operating current for the use state that is powered, IqWorked for the electric heater just in heated condition Electric current, IFOperated at full capacity electric current for separate unit electric heater；Consider the electrical water heater electric preference of energization use state, its electricity consumption electric current is assigned asIp=Ih/p≤IFConsideration is just assigned as in the less preferred power of electrical water heater electric of heated condition, its electricity consumption electric currentIq=(Ih-pIp)/q≤IF。
- 10. the rental house safety utilization of electric power control method according to claim 6 based on Current Control Technology, its feature exist In：Master controller is controlled by electrical work Current Control Strategy to electric heater, is specially：Current detecting and control mould The control electric current size that master controller distributes is scaled the angle of flow of controllable silicon by block, and conduction pulses are obtained by timer internal Signal, then controllable silicon is controlled, so as to by controlling the size of thyristor operating angle to control the size of current of electric heater.
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