CN103135464B - 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
CN103135464B
CN103135464B CN201310025432.3A CN201310025432A CN103135464B CN 103135464 B CN103135464 B CN 103135464B CN 201310025432 A CN201310025432 A CN 201310025432A CN 103135464 B CN103135464 B CN 103135464B
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power
loop
contactor
state
relay
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CN103135464A (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 the economize on electricity control measure of the standby consumer in a kind of indoor, 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 all progressively in urban and rural households.The household electrical appliance of substantial amounts 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 also objectively adds energy consumption while providing convenience for user.The electric current of electrical equipment when standby is less, and therefore people are subjective does not consume electric energy when thinking standby, this phenomenon also made people form the not bad use habit of powered-down.But it is estimated that one family is equipped with a televisor, a desktop computer, air conditioner, a water dispenser etc., these household electrical appliance calculated according to standby 20 hours of every day, and the amount of electrical power that these standby household electrical appliance consumed month more is also very large.This just treats machine electric appliance to calculate for the part of one family, well imagines, if calculate city, one national treat that machine electric appliance power consumption will be an astronomical figure.Power consumption when household electrical appliance normally use is that life is necessary, but the electric energy consumed on electric appliance standby or bad use habit is then huge waste.
Indoor energy-saving the technology mostly more single or easy appearance erroneous judgement situation of current existence.As the standby test socket existed on the market now, machine electric appliance can only be treated by setting current threshold whether to be in holding state and to judge, not only can not there is situation in conjunction with indoor personnel and provide comprehensive hommization process in this mode, and the circuit of this standby test socket itself also will consume electric energy; Also have one to be that comprehensive human-body infrared sensing technology and infrared counting these two aspects information exist situation to indoor occupant and makes analysis, thus realize the switch control rule to indoor electric equipment, this control method occurs that the possibility of erroneous judgement is very large.One may be personnel seeing TV or reading of turning on light, be in a kind of substantially static state, can be judged as there is no personnel activity according to this control strategy, close consumer, affect the normal life of user.Another may be have personnel to exist in infrared counting display room, but personnel have been in the resting states such as sleep, treat that the power supply state of machine electric appliance certainly will cause unnecessary waste of energy if now still keep, how this part being treated that electric energy saves also is that energy conservation must not irrespective aspect.
Another aspect that need consider is for avoiding standby power consumption, and user may be needed to go frequently to plug attaching plug, and user can be made like this to feel more trouble, and stand-by energy-saving work is also difficult to persevere.
For current Problems existing, 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 domestic power system being divided into can power-off loop and can not power-off loop, be divided into by job specification by household electrical appliance can de-energized portion (such as televisor) and can not de-energized portion (such as refrigerator) simultaneously, then according to job specification, household electrical appliance is accessed corresponding loop.By the control method using the present invention to propose, on the basis without the need to user's manual intervention, can control on the one hand can the reasonable break-make of standby consumer on power-off loop; It also avoid the situation that erroneous judgement very easily appears in traditional control method on the other hand, 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 used for answers the power supply of all families of three provinces in the northeast of China " be familiar with to us the most intuitively.
Summary of the invention
Object of the present invention is exactly the standby power consumption problem in order to solve indoor standby consumer, domestic power system is being divided into and on the basis in power-off loop and continued power loop, the comprehensive descision control method that a kind of current detecting merges mutually with human body pyroelectricity heat transfer agent can be being proposed.If judge all to be in off working state and to judge that indoor do not have personnel's action message through human body pyroelectricity sensing by all consumers on power-off loop by current detecting, then in disconnection chamber can power-off loop; The all current supply circuits of lower connection, 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 all supply lines are divided into according to connected consumer can power-off loop and continued power loop, and whole supply line is all connected with panel box; All can access power lead by the main contacts KM of A.C. contactor in power-off loop; Described AC current transformer collection can the current information in power-off loop, and sent into central control module, A.C. contactor is then controlled by central control module, can can cut off to reduce power consumption in power-off loop under powering-off state, can not then maintenance can power-off loop normal power supply under powering-off state; Central control module is also 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 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 often leave main contacts, the normally closed main contacts of relay J 2 is serially connected in continued power loop; Relay J 1 is often opened main contacts and is controlled by the dead electricity that obtains of relay J 1 line bag, the normally closed main contacts of relay J 2 is controlled by the dead electricity that obtains of relay J 2 line bag, it is also in parallel with the main contacts KM of A.C. contactor that relay J 1 often opens main contacts, composition self-locking circuit, in order to keep the on-state of circuit;
Can not under powering-off state, central control module pilot relay J1 obtains electric, the main contacts of often opening of A.C. contactor is closed, completes self-locking and can obtain electric in power-off loop simultaneously; Now relay J 2 must not be electric;
Can under powering-off state, central control module pilot relay J1 power-off, makes A.C. contactor power-off, and the main contacts of often opening of A.C. contactor recovers normally open, can the power-off of power-off loop.
Setting can power-off loop be threshold electric current I a at the standby current sum of all standby consumers, and this parameter can be selected the difference of standby consumer according to user and arrange different values.What described AC current transformer collected can power-off loop current and Ia compare, if loop current is greater than Ia, thinks that to have electrical appliance in running order; If loop current is less than Ia, think that all electrical appliances are all in holding state or power-off condition, A.C. contactor cuts off can power-off loop.
Because this threshold current value Ia may be larger than the working current of some small area analysis working equipments, for avoiding occurring erroneous judgement, affect the normal work of this kind equipment, can be solved by this mode of being carried out powering in small area analysis working equipment access continued power loop.
A kind of power-saving control method of standby consumer electricity-saving control system, whether it can cut off in power-off loop by analyzing judgement, can can cut off to reduce power consumption in power-off loop under powering-off state, then can not keep under powering-off state can power-off loop normal power supply, meet daily life staying idle at home needs, its detailed process is:
1) central control module obtains and the current information of power-off loop AC current transformer transmission and the personnel of human body sensor transmission can there is information;
2) information uploaded is carried out analyzing and processing by central control module, and there is situation to now indoor occupant and comprehensive descision can be made at the working condition of standby consumer in power-off loop, provide circuit on-off control command, concrete situation can be divided into following four classes:
A current detecting judges have consumer in running order, and human body pyroelectricity sensing judges there is personnel activity, is now can not powering-off state;
B current detecting judges have consumer in running order, and human body pyroelectricity sensing judges without personnel activity, is now can not powering-off state;
C current detecting judges that consumer is all not in running order, and human body pyroelectricity sensing judges there is personnel activity, is now can not powering-off state;
D current detecting judges that consumer is all not in running order, and human body pyroelectricity sensing judges without personnel activity, is now can powering-off state;
3) according to estimate of situation, the break-make steering order sent by central control module, can not under powering-off state, A.C. contactor obtains electric, can connect in power-off loop; Can under powering-off state, A.C. contactor dead electricity, can cut off in power-off loop.
The present invention mainly utilizes following technology:
1, single chip application technology
Single-chip microcomputer has the advantages such as volume is little, low in energy consumption, controlling functions strong, expansion is flexible, microminiaturized and easy to use, and its application has penetrated into the every field of our life, is almost difficult to find which field not have 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 the control of corresponding topworks realization to target device simultaneously.
2, sensor technology
Sensor is a kind of pick-up unit, measured information can be experienced, and can the information experienced be detected, the information being for conversion into electric signal or other desired forms according to certain rules exports, to meet the requirements such as the transmission of information, process, storage, display, record and control.It is the primary link realizing automatically detecting and automatically controlling.The present invention utilizes human body sensor to measure personal information in family, and measured information provides data basis for data fusion.
3, architecture electric technology
The present invention transforms the indoor distribution box in original house on the basis of " design of civil buildings specification ", being divided in loop in original panel box can power-off loop and can not power-off loop two parts, the main line in power-off loop can add AC current transformer and A.C. contactor to gather the current information in this loop, the break-make of control loop simultaneously.
4, current detection technology
Current detection technology is application mutual inductance principle, circuit passes through from 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, the electrode be built in magnetic core air gap can produce the size that is directly proportional with the magnetic line of force only voltage of several millivolts, and electronic circuit can be transformed into secondary current this small signal and export.The output of the present invention's application AC current sensor is as the whether in running order criterion of household electrical appliance, threshold current value Ia is set, with can the current value I in power-off loop compare, according to the relation of Ia and I, deduction can whether power-off loop have consumer to be in duty.
The invention has the beneficial effects as follows: the power-saving control method of standby consumer solves the waste of energy that household electrical appliance are located in the standby state for a long time under the prerequisite not affecting user's normal life.Particularly under the kind and the increasing reality of quantity of household electrical appliance, the power-saving control method applying standby consumer is that the integrated management of household electrical appliance provides new method, facilitates user, avoids unnecessary energy dissipation.
Accompanying drawing explanation
Fig. 1 is that the economize on electricity of standby consumer controls central control unit structural representation;
Fig. 2 is the cubicle switch system diagram in existing house;
Fig. 3 is the interior distribution system diagram through transformation 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
Below in conjunction with accompanying drawing and example, the present invention will be further described
As shown in Figure 1, the electricity-saving control device of the standby consumer in a kind of indoor, 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 centralized control room, whole supply line is divided into can power-off loop and continued power loop, power-off loop can be provided with AC current transformer 7 and A.C. contactor 3, A.C. contactor 3 is controlled by central control module 2, can can cut off to reduce power consumption in power-off loop under powering-off state, then can not keep under powering-off state can power-off loop normal power supply, can power-off loop all by A.C. contactor 3 main contacts KM access power lead.
As shown in Figure 2, the cubicle switch system diagram in existing house, from subscriber's drop to end consumer, isolating switch realization is to the decentralised control in consumer loop and centralized control.If cut off cubicle switch primary power, indoor whole consumer is all 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 then controlled by A.C. contactor control loop 6 pairs of A.C. contactors 3 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 there is information, and is sent into microprocessor.
Described AC current transformer 7 is arranged on can on power-off loop; Collection can the current information in power-off loop, and is sent into microprocessor.
Described central control module 2, by continued power loop power supply, which is provided with power light 4.
As shown in Figure 4, relay output control circuit, relay is utilized to output to the first order topworks between out drive stage as system, exported the transition that can complete from low-voltage direct to high-voltage alternating by relay, relay can realize by optocoupler control ac contactor coil being obtained to dead electricity.
In Fig. 3, Fig. 4, the main contacts KM of described A.C. contactor 3 is arranged on can on power-off loop; A.C. contactor 3, relay J 1 often leave main contacts, the normally closed main contacts of relay J 2 is serially connected in continued power loop; Relay J 1 is often opened main contacts and is controlled by the dead electricity that obtains of relay J 1 line bag, the normally closed main contacts of relay J 2 is controlled by the dead electricity that obtains of relay J 2 line bag, it is also in parallel with the main contacts KM of A.C. contactor that relay J 1 often opens main contacts, composition self-locking circuit, in order to keep the on-state of circuit;
Can not under powering-off state, Microprocessor S3C44B0X relay J 1 line Bao get electricity, makes the main contacts of often opening of A.C. contactor close, completes self-locking and can obtain electric in power-off loop simultaneously; Now relay J 2 line bag must not be electric;
Can under powering-off state, the power-off of Microprocessor S3C44B0X relay J 1 line bag, makes A.C. contactor power-off, and the main contacts of often opening of A.C. contactor recovers normally open, can the power-off of power-off loop.
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 often leave main contacts, the normally closed main contacts of relay J 2 is serially connected in continued power loop; Relay J 1 is often opened main contacts and is controlled by the dead electricity that obtains of relay J 1 line bag, the normally closed main contacts of relay J 2 is controlled by the dead electricity that obtains of relay J 2 line bag, relay J 1 is often opened main contacts and is also facilitated two, picture to illustrate in Figure 5 with this main contacts of main contacts KM(KM of A.C. contactor, be actually one) in parallel, composition 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 standby consumer, it is by comprehensively can power-off loop current Detection Information and human body pyroelectricity induction information, can can cut off to reduce power consumption in power-off loop under powering-off state, then can not keep under powering-off state can power-off loop normal power supply, meet daily life staying idle at home needs.
As shown in Figure 6, step of the present invention is:
Step (1): start, initialization;
Step (2): AC current transformer 7 reads current detecting information;
Step (3): judge can be standby consumer whether in work, if just enter step (4); Just enter step (5) if not;
Step (4): pilot relay keeps continuing to connect in power-off loop; Return step (2);
Step (5): the information reading human body sensor;
Step (6): judged whether that people is movable, just entered step (4) if had; If not then enter step (7);
Step (7): cutting off can power-off loop; Return step (2).
Its detailed process is:
1) central control module 2 obtain AC current transformer 7 transmit current information and human body sensor 1 transmit personnel there is information;
2) information uploaded is carried out analyzing and processing by microprocessor, there is situation and comprehensive descision can be made at the working condition of standby consumer in power-off loop, send circuit on-off control command to now indoor occupant.Concrete situation can be divided into following four classes:
A current detecting judges have consumer in running order, and human body pyroelectricity sensing judges there is personnel activity, is now can not powering-off state;
B current detecting judges have consumer in running order, and human body pyroelectricity sensing judges without personnel activity, for can not powering-off state;
C current detecting judges that consumer is all not in running order, and human body pyroelectricity sensing judges there is personnel activity, for can not powering-off state;
D current detecting judges that consumer is all not in running order, and human body pyroelectricity sensing judges without personnel activity, for can powering-off state.
3) by the break-make steering order that microprocessor sends, can not under powering-off state, A.C. contactor 3 electric, can connect in power-off loop; Can under powering-off state, A.C. contactor 3 dead electricity, can cut off in power-off loop.

Claims (1)

1. the power-saving control method of a standby consumer electricity-saving control system, it is characterized in that, whether described method can be cut off in power-off loop by analyzing judgement, can can cut off in power-off loop under powering-off state, then can not keep under powering-off state can power-off loop normal power supply, its detailed process is:
1) central control module obtains and the current information of power-off loop AC current transformer transmission and the personnel of human body sensor transmission can there is information;
2) information uploaded is carried out analyzing and processing by central control module, and there is situation to now indoor occupant and comprehensive descision can be made at the working condition of standby consumer in power-off loop, provide circuit on-off control command, concrete situation is divided into following four classes:
A current detecting judges have consumer in running order, and human body pyroelectricity sensing judges there is personnel activity, is now can not powering-off state;
B current detecting judges have consumer in running order, and human body pyroelectricity sensing judges without personnel activity, for can not powering-off state;
C current detecting judges that consumer is all not in running order, and human body pyroelectricity sensing judges there is personnel activity, for can not powering-off state;
D current detecting judges that consumer is all not in running order, and human body pyroelectricity sensing judges without personnel activity, for can powering-off state;
3) according to estimate of situation, the break-make steering order sent by central control module, can not under powering-off state, A.C. contactor obtains electric, can connect in power-off loop; Can under powering-off state, A.C. contactor dead electricity, can cut off in power-off loop;
Described system comprises cubicle switch, central control module, several human body sensors, at least one AC current transformer and at least one A.C. contactor; Indoor all supply lines are divided into according to connected consumer can power-off loop and continued power loop, and whole supply line is all connected with panel box; All can access power lead through the main contacts KM of A.C. contactor in power-off loop; Described AC current transformer collection can the current information in power-off loop, and sent into central control module, A.C. contactor is then controlled by central control module, can can cut off to reduce power consumption in power-off loop under powering-off state, can not then maintenance can power-off loop normal power supply under powering-off state; Central control module is also 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;
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 often leave main contacts, the normally closed main contacts of relay J 2 is serially connected in continued power loop; Relay J 1 is often opened main contacts and is controlled by the dead electricity that obtains of relay J 1 line bag, the normally closed main contacts of relay J 2 is controlled by the dead electricity that obtains of relay J 2 line bag, it is also in parallel with the main contacts KM of A.C. contactor that relay J 1 often opens main contacts, composition self-locking circuit, in order to keep the on-state of circuit;
Can not under powering-off state, central control module pilot relay J1 line Bao get electricity, makes the main contacts of often opening of A.C. contactor close, completes self-locking and can obtain electric in power-off loop simultaneously; Now relay J 2 line bag must not be electric;
Can under powering-off state, the power-off of central control module pilot relay J1 line bag, makes A.C. contactor power-off, and the main contacts of often opening of A.C. contactor recovers normally open, can the power-off of power-off loop;
Setting can power-off loop be threshold electric current I a at the standby current sum of all standby consumers, and this parameter is selected the difference of standby consumer according to user and arranges different values; What described AC current transformer collected can power-off loop current and Ia compare, if loop current is greater than Ia, thinks that to have electrical appliance in running order; If loop current is less than Ia, think that all electrical appliances are all in holding state or power-off condition, A.C. contactor cuts off can power-off loop.
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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CN105204490B (en) * 2015-08-06 2017-10-20 重庆大学 The diagnostic method for the stand-by power consumption intelligent diagnosis system classified based on Ensemble feature selection
CN107643692B (en) * 2017-09-13 2021-08-06 河南省三禾电气有限公司 Energy efficiency management system and method
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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