CN103135464A - Electricity saving control system and method of standby electric equipment - Google Patents

Electricity saving control system and method of standby electric equipment Download PDF

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Publication number
CN103135464A
CN103135464A CN2013100254323A CN201310025432A CN103135464A CN 103135464 A CN103135464 A CN 103135464A CN 2013100254323 A CN2013100254323 A CN 2013100254323A CN 201310025432 A CN201310025432 A CN 201310025432A CN 103135464 A CN103135464 A CN 103135464A
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loop
power supply
cut
contactor
relay
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CN103135464B (en
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张桂青
张钊
阎俏
陶亮
纪祥和
吴晓龙
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Shandong Jianzhu University
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Shandong Jianzhu University
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Abstract

The invention relates to an electricity saving control system and a method of standby electric equipment. The electricity saving control system comprises an indoor distribution box, a center control module, a plurality of human body inductive sensors, an AC current transformer and an AC contactor. The indoor distribution box controls all power supply circuit in a room in a centralization mode, and all the power supply circuits are divided into circuits where power can be cut down and continuous power supply circuits. The center control module comprises a microprocessor which is connected with control loops of the human body inductive sensors, a control loop of the AC current transformer and a control loop of the AC contactor. The microprocessor can cut down the circuits where power can be cut down in an outrage condition by synthesizing current detection information of dead lines and human body heat releasing induction information, and therefore power consumption is reduced. Under the condition that power can not be cut down, normal power supply of the circuits where power can be cut down is maintained, and living needs of daily home life is met. With the control manner and based on the fact that a user does not interfere manually, the problem of reasonable on-off of standby electric equipment on the circuit where power can be cut down is solved, and the condition that misjudging of a traditional control method is extremely prone to occur is avoided.

Description

A kind of standby consumer electricity-saving control system and method
Technical field
The present invention relates to a kind of economize on electricity control measure of indoor standby consumer, especially design standby consumer electricity-saving control system and method that a kind of current detecting and human body pyroelectricity heat transfer agent merge mutually.
Background technology
Along with further developing of the level of urbanization and improving constantly of people's living standard, the value volume and range of product of household electrical appliance increasing progressively all in urban and rural households.The huge household electrical appliance of quantity also make the consumption of family's electric energy greatly increase.Along with the progress of technology, present household electrical appliance great majority have idle function, and this function has also objectively increased energy consumption when providing convenience for the user.The electric current of electrical equipment when standby is less, thus people subjective think do not consume electric energy during standby, this phenomenon also makes people form the not bad use habit of powered-down.But, it is estimated that one family is equipped with a televisor, desktop computer, air conditioner, water dispenser etc., these household electrical appliance calculated according to standby every day in 20 hours, and the amount of electrical power that these standby household electrical appliance consumed month more is also very large.This just treats that for the part of one family machine electric appliance calculates, well imagines, and will be an astronomical figure if calculate the machine electric appliance power consumption for the treatment of of a city, a country.Power consumption when household electrical appliance normally use is that life is necessary, but the electric energy that consumes on electric appliance standby or bad use habit is huge waste.
The mostly more single or easy appearance erroneous judgement of the indoor energy-saving technology that exists at present situation.As the standby test socket that exists on the market now, can only treat machine electric appliance and whether be in holding state and judge by setting current threshold, this mode not only can not exist in conjunction with indoor personnel situation to provide comprehensive hommization and process, and the circuit of this standby test socket itself also will consume electric energy; Also having a kind of is that comprehensive human-body infrared sensing technology and this two aspects information of infrared counting exist situation to make analysis to indoor occupant, thereby realizes the switch of indoor consumer is controlled, and the possibility that erroneous judgement appears in this control method is very large.A kind of may be personnel seeing TV or the reading of turning on light, be in a kind of substantially static state, can be judged as according to this control strategy does not have the personnel activity, closes consumer, affects user's normal life.Another may be to have personnel to exist in the infrared counting display room, but personnel have been in the resting states such as sleep, if still keep this moment treating that the power supply state of machine electric appliance certainly will cause unnecessary waste of energy, how this part treated that it is also that energy conservation must not irrespective aspect that electric energy saves.
Another aspect that need consider is for avoiding standby power consumption, may need the user to remove frequently to plug attaching plug, can make like this user feel more trouble, and stand-by energy-saving work also is difficult to persevere.
For the problem of present existence, the present invention proposes the analysis determination methods of a kind of comprehensive electricity consumption line current detection technique and human-body infrared sensing technology.Original family electric power system is divided into can cut off the power supply loop and the loop that can not cut off the power supply, simultaneously household electrical appliance are divided into by job specification can cut off the power supply part (for example televisor) and the part (for example refrigerator) of can not cutting off the power supply, then according to job specification, household electrical appliance are accessed corresponding loop.By the control method of using the present invention to propose, on the basis that need not user's manual intervention, can control on the one hand the reasonable break-make of standby consumer on the loop that can cut off the power supply; Also avoided on the other hand traditional control method disconnected situation very easily to occur judging by accident, can not have a negative impact to user's life.Using CCTV public service ads " according to statistics, if the power supply of everyone timely turning off standby electrical equipment, the electric energy of saving can be supplied the power supply of all families of three provinces in the northeast of China " be familiar with for us the most intuitively.
Summary of the invention
Purpose of the present invention is exactly in order to solve the standby power consumption problem of indoor standby consumer, on the basis that family's electric power system is divided into to cut off the power supply loop and continued power loop, the comprehensive judgement control method that a kind of current detecting and human body pyroelectricity heat transfer agent merge has mutually been proposed.If judge that by current detecting all consumers on the loop that can cut off the power supply all are in off working state and judge the indoor personnel's of not having action message, cut off the power supply for the loop in disconnection chamber through the human body pyroelectricity sensing; Lower all current supply circuits of connecting, realize the Energy Saving Control to household electrical appliance in other cases.
For achieving the above object, the present invention adopts following technical scheme:
A kind of standby consumer electricity-saving control system, it comprises cubicle switch, central control module, several human body sensors, at least one AC current transformer and at least one A.C. contactor; Indoor whole supply line is divided into according to connected consumer can cut off the power supply loop and continued power loop, and all supply lines all are connected with panel box; The all access of the main contacts KM by A.C. contactor power leads of loop can cut off the power supply; Can the cut off the power supply current information in loop of described AC current transformer collection, and it is sent into central control module, A.C. contactor is controlled by central control module, but the loop that can cut off the power supply under powering-off state cuts off to reduce power consumption, at the loop normal power supply that can not the next maintenance of powering-off state can cut off the power supply; Central control module also is connected with human body sensor, AC current transformer and A.C. contactor control loop respectively; Central control module is controlled A.C. contactor main contacts KM by the A.C. contactor control loop according to the signal of described AC current transformer and described human body sensor.
The control loop of described A.C. contactor comprises: a relay J 1 and a relay J 2, and they are controlled by two output terminals of central control module respectively; A.C. contactor, relay J 1 are often left main contacts, the normally closed main contacts of relay J 2 and are serially connected in the continued power loop; Relay J 1 is often opened main contacts and is controlled by the dead electricity that gets of relay J 1 line bag, the normally closed main contacts of relay J 2 is controlled by the dead electricity that gets of relay J 2 line bags, it is also in parallel with the main contacts KM of A.C. contactor that relay J 1 is often opened main contacts, form self-locking circuit, in order to keep the on-state of circuit;
Under can not powering-off state, central control module pilot relay J1 gets electric, and what make A.C. contactor often opens the main contacts closure, completes the self-locking loop that can cut off the power supply simultaneously and gets electric; This moment, relay J 2 must not be electric;
But under powering-off state, central control module pilot relay J1 outage makes the A.C. contactor outage, and the main contacts of often opening of A.C. contactor recovers normally open, the loop outage of can cutting off the power supply.
Setting can be cut off the power supply, and the standby current sum of all standby consumers is threshold electric current I a on the loop, and this parameter can select the difference of standby consumer that different values is set according to the user.Cut off the power supply for the loop current that described AC current transformer collects and Ia compare, if loop current thinks that greater than Ia that electrical appliance is arranged is in running order; If loop current thinks that less than Ia all electrical appliances all are in holding state or power-off condition, A.C. contactor cuts off the loop that can cut off the power supply.
Because this threshold current value I a may be larger than the working current of some little current work equipment, for avoiding occurring erroneous judgement, affect the normal operation of this kind equipment, can solve by this mode that little current work equipment access continued power loop is powered.
A kind of power-saving control method of standby consumer electricity-saving control system, it judges by analysis whether the loop that can cut off the power supply can cut off, but the loop that can cut off the power supply under powering-off state cuts off to reduce power consumption, at the loop normal power supply that can not the next maintenance of powering-off state can cut off the power supply, satisfy daily life staying idle at home needs, its detailed process is:
1) central control module obtains the current information of the loop AC current transformer transmission of can cutting off the power supply and there is information in the personnel of human body sensor transmission;
2) central control module carries out analyzing and processing with the information of uploading, to this moment indoor occupant have situation and the working condition of standby consumer of can cutting off the power supply on the loop is made comprehensive judgement, provide the circuit on-off control command, concrete situation can be divided into following four classes:
A current detecting judgement has consumer in running order, and the judgement of human body pyroelectricity sensing has the personnel activity, and be can not powering-off state this moment;
B current detecting judgement has consumer in running order, and the judgement of human body pyroelectricity sensing is movable without personnel, and be can not powering-off state this moment;
C current detecting judgement consumer is all not in running order, and the judgement of human body pyroelectricity sensing has the personnel activity, and be can not powering-off state this moment;
D current detecting judgement consumer is all not in running order, and the judgement of human body pyroelectricity sensing is movable without personnel, but be powering-off state this moment;
3) according to estimate of situation, the break-make steering order of sending by central control module, under can not powering-off state, A.C. contactor gets electric, and the loop that can cut off the power supply is connected; But under powering-off state, the A.C. contactor dead electricity, the loop that can cut off the power supply cuts off.
The present invention mainly utilizes following technology:
1, single-chip microcomputer application technology
Single-chip microcomputer has the advantages such as volume is little, low in energy consumption, the control function is strong, expansion is flexible, microminiaturized and easy to use, and its application has been penetrated into the every field of our life, almost is difficult to find which field there is no the trace of single-chip microcomputer.The present invention adopts single-chip microcomputer as main control chip, realizes the collection of data in conjunction with different sensors, utilizes simultaneously the realization of corresponding topworks to the control of target device.
2, sensor technology
Sensor is a kind of pick-up unit, can experience measured information, and the information that detection can be experienced, be for conversion into according to certain rules the information output of electric signal or other desired forms, with the requirements such as transmission, processing, storage, demonstration, record and control of satisfying information.It is to realize automatically detecting and the automatic primary link of controlling.The present invention utilizes human body sensor to measure personal information in family, and measured information provides data basic for data fusion.
3, architectural electricity technology
The present invention transforms the indoor distribution box in original dwelling house on the basis of " design of civil buildings standard ", loop in original panel box is divided into can cut off the power supply loop and the loop two parts that can not cut off the power supply, has increased AC current transformer and A.C. contactor simultaneously in order to gather the current information in this loop, the break-make of control loop on the main line in loop that can cut off the power supply.
4, current detection technology
Current detection technology is to use the mutual inductance principle, circuit passes through from the current sensor punching, line current produces the magnetic line of force, the magnetic line of force concentrates on around the magnetic core of current sensor, be built in electrode in magnetic core air gap and can produce the only voltage of several millivolts of the size that is directly proportional with the magnetic line of force, electronic circuit can be transformed into secondary current output to this small signal.The output that the present invention uses AC current sensor is as household electrical appliance in running order criterion whether, threshold current value I a is set, compare with the current value I in the loop that can cut off the power supply, according to the relation of Ia and I, whether deduction can be cut off the power supply has consumer to be in duty on the loop.
The invention has the beneficial effects as follows: the power-saving control method of standby consumer is in waste of energy under holding state for a long time having solved household electrical appliance under the prerequisite that does not affect user's normal life.Particularly under the kind and the increasing reality of quantity of household electrical appliance, the power-saving control method of application standby consumer has facilitated the user for the integrated management of household electrical appliance provides new method, has avoided unnecessary energy dissipation.
Description of drawings
Fig. 1 is that the central control unit structural representation is controlled in the economize on electricity of standby consumer;
Fig. 2 is the cubicle switch system diagram in existing dwelling house;
Fig. 3 is the interior distribution system diagram through transforming in the present invention;
Fig. 4 is relay output control circuit figure;
Fig. 5 A.C. contactor control mode figure;
Fig. 6 power-saving control method principle flow chart of the present invention;
Wherein, 1. human body sensor, 2. central control module, 3. A.C. contactor, 4. power light, 5. cubicle switch, 6. A.C. contactor control loop, 7. AC current transformer.
Embodiment
The present invention will be further described below in conjunction with accompanying drawing and example
As shown in Figure 1, a kind of electricity-saving control device of indoor standby consumer, it comprises cubicle switch 5, central control module 2, several human body sensors 1, AC current transformer 7 and A.C. contactor 3; Wherein,
Cubicle switch 5 is used for the whole supply lines in the centralized control room, all supply lines are divided into can cut off the power supply loop and continued power loop, be provided with AC current transformer 7 and A.C. contactor 3 on the loop that can cut off the power supply, 3 of A.C. contactors are controlled by central control module 2, but the loop that can cut off the power supply under powering-off state cuts off to reduce power consumption, at the loop normal power supply that can not the next maintenance of powering-off state can cut off the power supply, the loop that can cut off the power supply is all by A.C. contactor 3 main contacts KM access power leads.
As shown in Figure 2, the cubicle switch system diagram in existing dwelling house, from subscriber's drop to the end consumer, isolating switch is realized decentralised control and the centralized control to the consumer loop.If cut off the cubicle switch primary power, indoor whole consumer all is cut off power supply.
Central control module 2 comprises microprocessor, and described microprocessor can be single-chip microcomputer, and it is respectively with human body sensor 1, AC current transformer 7 and be connected with A.C. contactor control loop 6; Microprocessor is controlled by 6 pairs of A.C. contactors 3 of A.C. contactor control loop according to the signal of described AC current transformer 7 and described human body sensor 1;
Described human body sensor 1 gathers indoor occupant and has information, and it is sent into microprocessor.
Described AC current transformer 7 is arranged on the loop that can cut off the power supply; The collection current information in loop that can cut off the power supply, and it is sent into microprocessor.
Described central control module 2 which is provided with power light 4 by the continued power loop power supply.
As shown in Figure 4, relay output control circuit, utilize relay to output to first order topworks between out drive stage as system, export the transition that can complete from the low-voltage direct to the high-voltage alternating by relay, relay can realize ac contactor coil is got the control of dead electricity by optocoupler.
In Fig. 3, Fig. 4, the main contacts KM of described A.C. contactor 3 is arranged on the loop that can cut off the power supply; A.C. contactor 3, relay J 1 are often left main contacts, the normally closed main contacts of relay J 2 and are serially connected in the continued power loop; Relay J 1 is often opened main contacts and is controlled by the dead electricity that gets of relay J 1 line bag, the normally closed main contacts of relay J 2 is controlled by the dead electricity that gets of relay J 2 line bags, it is also in parallel with the main contacts KM of A.C. contactor that relay J 1 is often opened main contacts, form self-locking circuit, in order to keep the on-state of circuit;
Under can not powering-off state, microprocessor pilot relay J1 line Bao Dedian, what make A.C. contactor often opens the main contacts closure, completes the self-locking loop that can cut off the power supply simultaneously and gets electric; This moment, relay J 2 line bags must not be electric;
But under powering-off state, the outage of microprocessor pilot relay J1 line bag makes the A.C. contactor outage, and the main contacts of often opening of A.C. contactor recovers normally open, the loop outage of can cutting off the power supply.
As shown in Figure 5, the control loop of described A.C. contactor comprises: a relay J 1 and a relay J 2, and they are controlled by two output terminals of central control module respectively; A.C. contactor, relay J 1 are often left main contacts, the normally closed main contacts of relay J 2 and are serially connected in the continued power loop; Relay J 1 is often opened main contacts and is controlled by the dead electricity that gets of relay J 1 line bag, the normally closed main contacts of relay J 2 is controlled by the dead electricity that gets of relay J 2 line bags, relay J 1 often open main contacts also with this main contacts of main contacts KM(KM of A.C. contactor in Fig. 5 in order to have illustrated to facilitate picture two, be actually one) parallel connection, form self-locking circuit, in order to keep the on-state of circuit.
As shown in Figure 6, a kind of power-saving control method for the standby consumer, it detects information and human body pyroelectricity induction information by the loop current of comprehensively can cutting off the power supply, but the loop that can cut off the power supply under powering-off state cuts off to reduce power consumption, at the loop normal power supply that can not the next maintenance of powering-off state can cut off the power supply, satisfy daily life staying idle at home needs.
As shown in Figure 6, step of the present invention is:
Step (1): beginning, initialization;
Step (2): AC current transformer 7 reading currents detect information;
Step (3): but whether the consumer of judgement standby is in work, if just enter step (4); Just enter if not step (5);
Step (4): the pilot relay maintenance can be cut off the power supply, and the loop is lasting to be connected; Return to step (2);
Step (5): the information that reads human body sensor;
Step (6): judged whether that the people is movable, just entered step (4) if having; If not then enter step (7);
Step (7): the cut-out loop that can cut off the power supply; Return to step (2).
Its detailed process is:
1) central control module 2 obtains the personnel that current information that AC current transformer 7 transmits and human body sensor 1 transmit and has information;
2) microprocessor carries out analyzing and processing with the information of uploading, to this moment indoor occupant have situation and the working condition of standby consumer of can cutting off the power supply on the loop is made comprehensive judgement, send the circuit on-off control command.Concrete situation can be divided into following four classes:
A current detecting judgement has consumer in running order, and the judgement of human body pyroelectricity sensing has the personnel activity, and be can not powering-off state this moment;
B current detecting judgement has consumer in running order, and the judgement of human body pyroelectricity sensing is movable without personnel, for can not powering-off state;
C current detecting judgement consumer is all not in running order, and the judgement of human body pyroelectricity sensing has the personnel activity, for can not powering-off state;
D current detecting judgement consumer is all not in running order, and the judgement of human body pyroelectricity sensing is movable without personnel, but is powering-off state.
3) the break-make steering order of sending by microprocessor, under can not powering-off state, A.C. contactor 3 electric, the loop that can cut off the power supply is connected; But under powering-off state, A.C. contactor 3 dead electricity, the loop that can cut off the power supply cuts off.

Claims (4)

1. a standby consumer electricity-saving control system, is characterized in that, it comprises cubicle switch, central control module, several human body sensors, at least one AC current transformer and at least one A.C. contactor; Indoor whole supply line is divided into according to connected consumer can cut off the power supply loop and continued power loop, and all supply lines all are connected with panel box; Can cut off the power supply the loop all through the main contacts KM of A.C. contactor access power lead; Can the cut off the power supply current information in loop of described AC current transformer collection, and it is sent into central control module, A.C. contactor is controlled by central control module, but the loop that can cut off the power supply under powering-off state cuts off to reduce power consumption, at the loop normal power supply that can not the next maintenance of powering-off state can cut off the power supply; Central control module also is connected with human body sensor, AC current transformer and A.C. contactor control loop respectively; Central control module is controlled by the main contacts KM of A.C. contactor control loop to A.C. contactor according to the signal of described AC current transformer and described human body sensor.
2. standby consumer electricity-saving control system as claimed in claim 1, is characterized in that, the control loop of described A.C. contactor comprises: a relay J 1 and a relay J 2, and they are controlled by two output terminals of central control module respectively; A.C. contactor, relay J 1 are often left main contacts, the normally closed main contacts of relay J 2 and are serially connected in the continued power loop; Relay J 1 is often opened main contacts and is controlled by the dead electricity that gets of relay J 1 line bag, the normally closed main contacts of relay J 2 is controlled by the dead electricity that gets of relay J 2 line bags, it is also in parallel with the main contacts KM of A.C. contactor that relay J 1 is often opened main contacts, form self-locking circuit, in order to keep the on-state of circuit;
Under can not powering-off state, central control module pilot relay J1 line Bao Dedian, what make A.C. contactor often opens the main contacts closure, completes the self-locking loop that can cut off the power supply simultaneously and gets electric; This moment, relay J 2 line bags must not be electric;
But under powering-off state, the outage of central control module pilot relay J1 line bag makes the A.C. contactor outage, and the main contacts of often opening of A.C. contactor recovers normally open, the loop outage of can cutting off the power supply.
3. standby consumer electricity-saving control system as claimed in claim 1, it is characterized in that, setting can be cut off the power supply, and the standby current sum of all standby consumers is threshold electric current I a on the loop, and this parameter selects the difference of standby consumer that different values is set according to the user; Cut off the power supply for the loop current that described AC current transformer collects and Ia compare, if loop current thinks that greater than Ia that electrical appliance is arranged is in running order; If loop current thinks that less than Ia all electrical appliances all are in holding state or power-off condition, A.C. contactor cuts off the loop that can cut off the power supply.
4. power-saving control method that adopts standby consumer electricity-saving control system claimed in claim 1, it is characterized in that, it judges by analysis whether the loop that can cut off the power supply can cut off, but the loop that can cut off the power supply under powering-off state cuts off, at the loop normal power supply that can not the next maintenance of powering-off state can cut off the power supply, its detailed process is:
1) central control module obtains the current information of the loop AC current transformer transmission of can cutting off the power supply and there is information in the personnel of human body sensor transmission;
2) central control module carries out analyzing and processing with the information of uploading, to this moment indoor occupant have situation and the working condition of standby consumer of can cutting off the power supply on the loop is made comprehensive judgement, provide the circuit on-off control command, concrete situation is divided into following four classes:
A current detecting judgement has consumer in running order, and the judgement of human body pyroelectricity sensing has the personnel activity, and be can not powering-off state this moment;
B current detecting judgement has consumer in running order, and the judgement of human body pyroelectricity sensing is movable without personnel, for can not powering-off state;
C current detecting judgement consumer is all not in running order, and the judgement of human body pyroelectricity sensing has the personnel activity, for can not powering-off state;
D current detecting judgement consumer is all not in running order, and the judgement of human body pyroelectricity sensing is movable without personnel, but is powering-off state;
3) according to estimate of situation, the break-make steering order of sending by central control module, under can not powering-off state, A.C. contactor gets electric, and the loop that can cut off the power supply is connected; But under powering-off state, the A.C. contactor dead electricity, the loop that can cut off the power supply cuts off.
CN201310025432.3A 2013-01-23 2013-01-23 Electricity saving control system and method of standby electric equipment Active CN103135464B (en)

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CN107643692A (en) * 2017-09-13 2018-01-30 河南省三禾电气有限公司 Energy efficiency management system and method
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CN105204490A (en) * 2015-08-06 2015-12-30 重庆大学 Intelligent diagnosis system and method for standby power consumption based on integration characteristic selection and classification
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CN110086404A (en) * 2019-06-06 2019-08-02 国家电网有限公司 Power consumption control system and method

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