CN102157939A - Intelligent power-saving controller - Google Patents
Intelligent power-saving controller Download PDFInfo
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- CN102157939A CN102157939A CN2011100527567A CN201110052756A CN102157939A CN 102157939 A CN102157939 A CN 102157939A CN 2011100527567 A CN2011100527567 A CN 2011100527567A CN 201110052756 A CN201110052756 A CN 201110052756A CN 102157939 A CN102157939 A CN 102157939A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/40—Arrangements for reducing harmonics
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Abstract
The invention discloses an intelligent power-saving controller, comprising a power supply, a microcomputer controller chip, a control loop which is connected with the microcomputer controller chip and a major power-saving loop which is controlled by the control loop, wherein the major power-saving loop is internally provided with a transformer for eliminating higher harmonics and reducing a voltage; and the control loop is internally provided with a voltage detection chip. The intelligent power-saving controller does not generate the higher harmonics, can eliminate parts of higher harmonic contents in a power grid, reduces light pollution, decreases heat productivity of electric equipment, improves the service life of the electric equipment, and is simple in installation operations and low in cost. The intelligent power-saving controller can effectively save 23.58% of the power by actual detection. By using the intelligent power-saving controller, the service life of lamps can be prolonged, the overheads caused by burning the lamps can be reduced, the power consumption cost is greatly reduced, and the saved electric charges can bring about considerable economic benefits for users.
Description
Technical field
The present invention relates to a kind of electricity-saving control device, specifically is a kind of being connected in the supply line, controls the intelligent energy-saving controller that various power consumption equipments are in electricity-saving state.
Background technology
Along with fast development of Chinese economy, the supply of the energy has become very big bottleneck.Especially the anxiety of electric power and poor efficiency utilization makes power cuts to limit consumption everywhere in recent years, and enterprise can not ordinary production, people's life also is subjected to very big influence.Crisis also is a kind of opportunity simultaneously, energy-conservation being subjected to government, down to enterprise, and resident's unprecedented attention, energy-conservation economize on electricity industrial prospect is very good.Huge market potential, rich profit makes the economize on electricity industry grow up fast, a few years time, domestic economize on electricity industry begins to take shape scale.
High-power electricity consumption product majority in the market all adopts variable-frequency governor to economize on electricity, its reason is the product of high-power frequency conversion speed regulator as a kind of maturation, the cheap degree that can accept to nearly all power consumption equipment of its price, and power savings is fairly obvious.But, variable-frequency governor just simply is adjusted to rotating speed of motor the rotating speed of setting, and do not consider relation between motor, load and the frequency converter three, make motor often be operated in the lower state of efficient, controlled motor causes the life-span of unnecessary waste and minimizing motor owing to inefficient operation is generated heat; And inharmonic work meeting makes the operation of variable-frequency governor and motor cause a large amount of harmonic waves between the three, the change frequency of variable-frequency governor phase step type also can produce a large amount of harmonic waves simultaneously, these harmonic waves are very serious to the interference of power-supply system, its harmonic content can reach 30%-70%, serious interference like this is very unfavorable to power supply grid, and can cause the power factor of system lower, power-efficient descends, and waste of energy is serious.And in the specific electrical equipment that this variable-frequency governor can only be used, and each variable-frequency governor can only control an electrical appliance, can not regulate all power consumption equipment electrical energy saving of control on the whole.
Chinese patent CN2553586Y discloses a kind of light fixture electricity-saving controller, comprise housing and internal circuit, internal circuit comprises an AC relay and autotransformer, the normally opened contact of AC relay is serially connected with power supply directly in the loop of light fixture power supply, it is secondary in the loop of light fixture power supply that the normally-closed contact of AC relay is serially connected with autotransformer, and internal circuit also comprises by rectification circuit.Contain the delay control circuit of the AC relay that direct current relay that the delay circuit of 555 clock chips is connected with the delay circuit output constitutes, the normally-closed contact of direct current relay is serially connected with the conducting loop of the solenoid of AC relay.This light fixture electricity-saving controller has overcome can effectively realize the economize on electricity of light fixture, and can prolong light fixture useful life.But this electricity-saving controller also can only be controlled the light fixture economize on electricity, still can not all power consumption equipment electrical energy saving of integrally-regulated on a large scale control.
When power supply administration utilizes cable for residential block or shopping centre power supply, terminal voltage can reach 220V in order to guarantee to power, the voltage that service cable provides all is higher than 220V usually, power consumption equipment is worked under the voltage that is higher than its rated voltage 220V, not only waste electric energy, and can influence its useful life.
Summary of the invention
The present invention provides a kind of in order to solve above-mentioned problems of the prior art to be connected in the supply line, controls the intelligent energy-saving controller that various power consumption equipments are in electricity-saving state by reducing voltage.
The technical scheme that the present invention takes for the technical problem that exists in the solution known technology is:
Intelligent energy-saving controller of the present invention comprises power supply, microcomputer controller chip, control loop that is connected with the microcomputer controller chip and the main economize on electricity loop of being controlled by control loop; Main economize on electricity is provided with the transformer of eliminating high order harmonic component and reducing voltage in the loop; Be provided with voltage checking chip in the control loop; The output pin of microcomputer controller chip connects contactor KA0, KA1, KA2, KA3, KA4 respectively; Contactor KA0 is connected with relay K M0, and control KM0 is switched on or switched off; Contactor KA4 is connected with relay K M4, and control KM4 is switched on or switched off; Contactor KA1 ~ KA3 forms interlocking structure, the KA1 closure, and when KA2 and KA3 were not closed, KM1 connected, the KA2 closure, when KA1 and KA3 were not closed, KM2 connected, the KA3 closure, when KA1 and KA2 were not closed, KM3 connected; Relay K M1, KM2, KM3 are connected to the diverse location of same inductance coil in the transformer, form a closed-loop path with KM0, produce one grade of economize on electricity, economize on electricity second gear, three kinds of different operating states of economize on electricity third gear.
Described voltage checking chip is connected between transformer and the microcomputer controller chip, detects the primary voltage value of transformer, draws the economize on electricity gear that this magnitude of voltage is suitable for through computing, and this signal is sent to the microcomputer controller chip, thus control transformer.
Be connected with current sensing means between transformer in the described main economize on electricity loop and the microcomputer controller chip, when current sensing means detected electric current above rated current, control KM0 disconnected, and the KM4 closure does not influence system's normal power supply.
Be provided with three groups of inductance coils in the described transformer, be provided with three group relay switches in relay K M0 ~ KM4 respectively accordingly.
Described microcomputer controller chip adopts programmable control chip.
Advantage and good effect that the present invention has are:
Intelligent energy-saving controller of the present invention does not produce high order harmonic component, and can eliminate electrical network part high order subharmonic content, reduces light pollution, reduces the power consumption equipment caloric value, improves power consumption equipment useful life, and the product fitting operation is simple, and cost is low; Saves energy through actual detected, can saves energy reach 23.58% effectively, and can prolong the useful life of light fixture, reduce the expenses that the light fixture scaling loss causes, reduce electric cost significantly, the electricity charge of being saved can be the user and bring considerable economic.
Description of drawings
Fig. 1 is the circuit diagram of the microcomputer controller part of intelligent energy-saving controller of the present invention;
Fig. 2 is the circuit diagram of the control loop part of intelligent energy-saving controller of the present invention;
Fig. 3 is the circuit diagram of the main economize on electricity loop feature of intelligent energy-saving controller of the present invention.
Critical piece symbol description in the accompanying drawing:
1: voltage checking chip 2: transformer
3: current sensing means 4: control chip.
Embodiment
It is following that the present invention will be described in detail with reference to drawings and Examples.Parts same as the prior art have used identical symbol among the present invention.
Fig. 1 is the circuit diagram of the microcomputer controller part of intelligent energy-saving controller of the present invention; Fig. 2 is the circuit diagram of the control loop part of intelligent energy-saving controller of the present invention; Fig. 3 is the circuit diagram of the main economize on electricity loop feature of intelligent energy-saving controller of the present invention.As Fig. 1, Fig. 2 and shown in Figure 3, intelligent energy-saving controller of the present invention comprises power supply, microcomputer controller chip, the control loop that is connected with the microcomputer controller chip and the main economize on electricity loop of being controlled by control loop.
Main economize on electricity is provided with the transformer 2 of eliminating high order harmonic component and reducing voltage in the loop.Be provided with voltage checking chip 1 in the control loop.
The programmable control chip 4 of the employing of microcomputer controller chip, input pin connect the input of civil power input, one grade of economize on electricity, economize on electricity second gear, economize on electricity third gear respectively, and output pin connects contactor KA0, KA1, KA2, KA3, KA4 respectively; Contactor KA0 is connected with relay K M0, and control KM0 is switched on or switched off; Contactor KA4 is connected with relay K M4, and control KM4 is switched on or switched off; Contactor KA1 ~ KA3 forms interlocking structure, the KA1 closure, and when KA2 and KA3 were not closed, KM1 connected, the KA2 closure, when KA1 and KA3 were not closed, KM2 connected, the KA3 closure, when KA1 and KA2 were not closed, KM3 connected; Relay K M1, KM2, KM3 are connected to the diverse location of same inductance coil in the transformer, form a closed-loop path with KM0, produce one grade of economize on electricity, economize on electricity second gear, three kinds of different operating states of economize on electricity third gear.When relay K M0 and relay K M1 connection, the one grade of work of economizing on electricity; When relay K M0 and relay K M2 connection, the work of economize on electricity second gear; When relay K M0 and relay K M3 connection, the work of economize on electricity third gear.
Voltage checking chip 1 is connected between transformer and the microcomputer controller chip, detects the primary voltage value of transformer, draws the economize on electricity gear that this magnitude of voltage is suitable for through computing, and this signal is sent to the microcomputer controller chip, thus control transformer.
Be connected with current sensing means 3 between transformer in the main economize on electricity loop and the load, detect by current transformer and can dwindle the current sensing means capacity.When detecting electric current above rated current, transmit signals to the microcomputer controller chip, control KM0 disconnects, and the KM4 closure does not influence system's normal power supply.When current sensing means 3 detected electric current above rated current, control KM0 disconnected, and the KM4 closure does not influence system's normal power supply.
Because the input in main economize on electricity loop is connected with the cable of three-phase four-wire system respectively with output, so is provided with three groups of inductance coils in the transformer, is provided with three group relay switches in relay K M0 ~ KM4 respectively accordingly.By the hypotensive effect of transformer, can adjust the voltage at power consumption equipment two ends effectively, it is controlled between 210V ~ 220V, guarantee that power consumption equipment operates in the range of nominal tension always.
Intelligent energy-saving controller equiment of the present invention is installed between the power supply total circuit breaker and duplexure circuit breaker, and its installation process is simple to operate, and concrete steps are as follows:
The first, the lower end bus of the total circuit breaker of power supply is removed, introduce the input of intelligent energy-saving controller.
The second, the output of intelligent energy-saving controller is guided to the input of duplexure circuit breaker.
The 3rd, the total breaker closing of illumination.
The 4th, the intelligent energy-saving controller switches is got to automated location, the intelligent energy-saving controller just can operate as normal.
The running of intelligent energy-saving controller of the present invention is as follows:
After the system start-up, voltage checking chip detects primary voltage, and drawing as calculated needs regulating system to export several grades of economize on electricity gears to.Engage relay KM1, engage relay KM0 again, electric power system enters one grade of economize on electricity.Disconnect relay K M0, engage relay KM2 disconnects relay K M1, engage relay KM0 again, and electric power system enters the economize on electricity second gear.Disconnect relay K M0, engage relay KM3 disconnects relay K M2, engage relay KM0 again, and electric power system enters the economize on electricity third gear.System works is when electricity-saving state, and the power saving operation indicator light is bright.After system enters electricity-saving state, electric current in the current sensing means testing circuit, when if electric current surpasses rated current, automatically switch to bypass work, promptly relay K M0 disconnects, and relay K M4 connects, relay K M1 ~ KM3 all disconnects, electric power system is worked under civil power, and the civil power relay indicating light is bright, does not influence the circuit normal power supply.Pending fault is got rid of a period of time and is not occurred again, and system automatically restores to power saving operation.
Intelligent energy-saving controller of the present invention is a kind of high-tech smart machine, based on modern control theory, adopt state-of-the-art computer control mode, the product main control unit adopts the microprocessor of seniority top digit, so which kind of situation no matter the various different conditions of high-speed real-time sampling utility grid in use, occur, what this device was exported is optimum voltage all the time, and whole process need not any artificial adjusting.
Its unique design organically combines microcomputerized control and efficient inductance commutation technique, by the electromagnetic interaction between the inductance, reclaim residual current and reactive power inverting each other, improve power supply quality, and utilize the gaseous discharge lamp specific physical, suppress to exceed standard energy consumption, improve the efficient of power consumption equipment, it is aging to delay light fixture, can reduce the power consumption of lighting system to greatest extent, thereby reaches the dual purpose that prolongs power consumption equipment useful life and saves energy.This machine adopts non-phase control techniques to regulate, and does not produce any high order harmonic component, does not pollute electrical network, belongs to environment-friendly economize on electricity product.
Claims (5)
1. intelligent energy-saving controller, it is characterized in that: this intelligent energy-saving controller comprises power supply, microcomputer controller chip, the control loop that is connected with the microcomputer controller chip and by the main economize on electricity loop of control loop control; Main economize on electricity is provided with the transformer of eliminating high order harmonic component and reducing voltage in the loop; Be provided with voltage checking chip in the control loop; The output pin of microcomputer controller chip connects contactor KA0, KA1, KA2, KA3, KA4 respectively; Contactor KA0 is connected with relay K M0, and control KM0 is switched on or switched off; Contactor KA4 is connected with relay K M4, and control KM4 is switched on or switched off; Contactor KA1 ~ KA3 forms interlocking structure, the KA1 closure, and when KA2 and KA3 were not closed, KM1 connected, the KA2 closure, when KA1 and KA3 were not closed, KM2 connected, the KA3 closure, when KA1 and KA2 were not closed, KM3 connected; Relay K M1, KM2, KM3 are connected to the diverse location of same inductance coil in the transformer, form a closed-loop path with KM0, produce one grade of economize on electricity, economize on electricity second gear, three kinds of different operating states of economize on electricity third gear.
2. intelligent energy-saving controller according to claim 1, it is characterized in that: voltage checking chip is connected between transformer and the microcomputer controller chip, detect the primary voltage value of transformer, draw the economize on electricity gear that this magnitude of voltage is suitable for through computing, this signal is sent to the microcomputer controller chip, thus control transformer.
3. intelligent energy-saving controller according to claim 1, it is characterized in that: be connected with current sensing means between transformer in the main economize on electricity loop and the microcomputer controller chip, when current sensing means detects electric current above rated current, control KM0 disconnects, the KM4 closure does not influence system's normal power supply.
4. intelligent energy-saving controller according to claim 1 is characterized in that: be provided with three groups of inductance coils in the transformer, be provided with three group relay switches in relay K M0 ~ KM4 respectively accordingly.
5. intelligent energy-saving controller according to claim 1 is characterized in that: the microcomputer controller chip adopts programmable control chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100527567A CN102157939A (en) | 2011-03-07 | 2011-03-07 | Intelligent power-saving controller |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011100527567A CN102157939A (en) | 2011-03-07 | 2011-03-07 | Intelligent power-saving controller |
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| CN102157939A true CN102157939A (en) | 2011-08-17 |
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| CN2011100527567A Pending CN102157939A (en) | 2011-03-07 | 2011-03-07 | Intelligent power-saving controller |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103904652A (en) * | 2014-04-21 | 2014-07-02 | 大连理工大学 | Power supply network harmonic suppression method and system capable of resisting impulse noise interference |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2762305Y (en) * | 2003-12-31 | 2006-03-01 | 胡宗 | Harmonic discharge transformer |
| CN2919677Y (en) * | 2006-06-28 | 2007-07-04 | 蔡勇 | Intelligent electricity saving device |
| CN201733109U (en) * | 2010-08-13 | 2011-02-02 | 刘培帅 | Intelligent interval stabilized voltage three-phase balance power-saving system |
| CN201741559U (en) * | 2010-06-18 | 2011-02-09 | 张战营 | Three-phase balancing autotransformer and intelligent power-saving system |
| CN201985618U (en) * | 2011-03-07 | 2011-09-21 | 天津沃德奥杰科技发展有限公司 | Intelligent power-saving controller |
-
2011
- 2011-03-07 CN CN2011100527567A patent/CN102157939A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2762305Y (en) * | 2003-12-31 | 2006-03-01 | 胡宗 | Harmonic discharge transformer |
| CN2919677Y (en) * | 2006-06-28 | 2007-07-04 | 蔡勇 | Intelligent electricity saving device |
| CN201741559U (en) * | 2010-06-18 | 2011-02-09 | 张战营 | Three-phase balancing autotransformer and intelligent power-saving system |
| CN201733109U (en) * | 2010-08-13 | 2011-02-02 | 刘培帅 | Intelligent interval stabilized voltage three-phase balance power-saving system |
| CN201985618U (en) * | 2011-03-07 | 2011-09-21 | 天津沃德奥杰科技发展有限公司 | Intelligent power-saving controller |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103904652A (en) * | 2014-04-21 | 2014-07-02 | 大连理工大学 | Power supply network harmonic suppression method and system capable of resisting impulse noise interference |
| CN103904652B (en) * | 2014-04-21 | 2017-01-18 | 大连理工大学 | Power supply network harmonic suppression method and system capable of resisting impulse noise interference |
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Application publication date: 20110817 |