CN202549725U - Energy-saving driver for relay - Google Patents
Energy-saving driver for relay Download PDFInfo
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- CN202549725U CN202549725U CN2012200824385U CN201220082438U CN202549725U CN 202549725 U CN202549725 U CN 202549725U CN 2012200824385 U CN2012200824385 U CN 2012200824385U CN 201220082438 U CN201220082438 U CN 201220082438U CN 202549725 U CN202549725 U CN 202549725U
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Abstract
The utility model provides an energy-saving driver for a relay, which comprises the relay, a fly-wheel diode, an energy storage unit, a current-limiting resistor and a driving unit for driving the relay; the relay is connected with power through the current-limiting resistor, and is earthed via the driving unit; the fly-wheel diode is connected in parallel with the relay; the energy storage unit adopts a capacitor to be connected in parallel with the relay, one end of the capacitor is connected between the current-limiting resistor and the relay, and the other end of the capacitor is earthed. The energy-saving driver can utilize the energy storage unit connected in parallel with the relay to close the relay, the energy storage unit adopts the capacitor for charge and discharge, and provides low relay-closing voltage to maintain the closed state of the relay after the relay is driven to be closed, consequently, the relay can be driven by lower current, and thereby energy is saved.
Description
Technical field
The utility model relates to a kind of relay controller, relates in particular to a kind of energy-saving driving device of relay.
Background technology
Relay has obtained extensive use in every field as a kind of electronics commonly used unit device, and the electric control industry of especially being in is more general, like refrigerator, and the relevant control of motor such as washing machine and other loads; And household electrical appliances are in use, low energy consumption, the energy-conservation people's attention that more and more receives, and in the existing relay control circuit, direct mostly rated voltage and the constant high-low level with relay drives and keeps, and aspect energy consumption, wastes to some extent; Especially for many relays uses and power supply the electric current condition of limited is provided, its energy-conservation demand is more urgent.
Summary of the invention
The utility model technical problem to be solved is to provide a kind of with littler current drives relay, reaches the relay energy-saving driving device of energy-conservation purpose.
To this, the utility model provides a kind of energy-saving driving device of relay, comprising: relay, fly-wheel diode, energy-storage units, current-limiting resistance and be used to drive the driver element of relay; Said relay connects power supply through current-limiting resistance, through driver element ground connection; Said fly-wheel diode is parallelly connected with relay; Said energy-storage units adopts electric capacity parallelly connected with relay, and an end of said electric capacity is connected between current-limiting resistance and the relay, other end ground connection.
Relay is big at the required electric current of action of adhesive moment; But it is little to keep the required electric current of adhesive, particularly, the minimum pick-up voltage of relay be relay coil rating voltage 75%; Release voltage is 10% of a rated voltage; Therefore, the adhesive that prior art directly drove and kept relay with the rated voltage and the constant high-low level of relay so just can be wasted much energy consumption.
Before the utility model drive unit drives relay, the electric capacity of energy-storage units is through the current-limiting resistance charging, and charging voltage and supply voltage are almost equal; After moving cell drove relay, the electric capacity of energy-storage units discharged to relay coil, and relay is with the full voltage adhesive; Voltage reduces behind the capacitor discharge, and relay is supplied power through current-limiting resistance, keeps attracting state, and the required electric current of this attracting state is less than attract current, and therefore, unnecessary energy just stores in energy-storage units.
The needed voltage of coil when wherein, rated voltage is meant relay work; Attract current is meant that relay can produce the minimum current of adhesive action; The pairing voltage of attract current is pick-up voltage; D.C. resistance is meant the D.C. resistance of coil in the relay; Release current is meant that relay produces the maximum current of releasing action; The voltage that release current is corresponding is release voltage.
The utility model can be realized the adhesive of relay through the energy-storage units that is in parallel with relay; Said energy-storage units adopts electric capacity to realize discharging and recharging; Driven after the relay adhesive; Through providing lower relay pick-up voltage to keep its attracting state, thereby, reached purpose of energy saving with littler current drives relay; When using several relay simultaneously, the energy-saving effect of the utility model is more obvious.
Preferably, said electric capacity adopts electrochemical capacitor.
Wherein, The capacity of electrochemical capacitor is bigger; Be applicable to the effect of low frequency signal, said relay can adopt electromagnetic relay, and the utility model can carry out the adhesive driving and the stored energy of relay through the energy-storage units that is in parallel with relay; And then, cut down the consumption of energy to keep the adhesive of relay less than the electric current of relay attract current.
Preferably, said driver element comprises I/O mouth and the triode that adopts the conducting of I/O mouth, the collector connection relay of said triode, and base stage connects I/O mouth, emitting stage ground connection.
Wherein, before the I/O mouth drove the transistor collector conducting, electric capacity was through the current-limiting resistance charging, and charging voltage and supply voltage are almost equal; After the transistor collector conducting, electric capacity discharges to relay coil, and relay is with the full voltage adhesive; After the relay adhesive, on the electric capacity voltage drop low, relay coil is supplied power through current-limiting resistance, keeps attracting state, just can carry out the adhesive driving and the stored energy of relay through the electric capacity that is in parallel with relay, saves energy.
Preferably, the resistance of said current-limiting resistance is 1 to 1.5 times of D.C. resistance resistance of said relay.
Wherein, the choosing of said current-limiting resistance resistance when equaling 1 to 1.5 times of the D.C. resistance of coil of relay, controlled suitable power, just can reach good energy-saving effect.
Preferably, the resistance of said current-limiting resistance is controlled by the dividing potential drop of current-limiting resistance and relay D.C. resistance, and the voltage of said relay D.C. resistance is 40% to 60% of rated voltage.
The resistance of the utility model current-limiting resistance, the dividing potential drop result who is preferably the D.C. resistance that makes itself and relay coil is complementary, and is specially to make the rated voltage that forms 40%-60% on the coil; Can keep stable attracting state; Because square being directly proportional of the power consumption of coil and its voltage, when the rated voltage of formation 40%-60% on the coil, the coil power dissipation of relay can be practiced thrift more than 60%; The voltage that is said D.C. resistance is 40% to 60% of rated voltage; Just can save the coil power dissipation more than 60%, use several even more relays as passing through in the fruit product, its power savings will be more obvious.
The appearance value of the said electric capacity of the utility model is controlled by the rated current of said relay, the needed electric current of coil when said rated current is meant relay work, and the every 10mA of said coil rating electric current chooses the electric capacity of 100 μ F.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of the utility model;
Fig. 2 is the circuit connecting relation sketch map of the another kind of embodiment of the utility model.
Embodiment
Below in conjunction with accompanying drawing, the more excellent embodiment of the utility model is done further detailed description:
Embodiment 1:
As shown in Figure 1, this example provides a kind of energy-saving driving device of relay, comprising: relay, fly-wheel diode, energy-storage units, current-limiting resistance and be used to drive the driver element of relay; Said relay connects power supply through current-limiting resistance, through driver element ground connection; Said fly-wheel diode is parallelly connected with relay; Said energy-storage units adopts electric capacity parallelly connected with relay, and an end of said electric capacity is connected between current-limiting resistance and the relay, other end ground connection.
Relay is big at the required electric current of action of adhesive moment; But it is little to keep the required electric current of adhesive, particularly, the minimum pick-up voltage of relay be relay coil rating voltage 75%; Release voltage is 10% of a rated voltage; Therefore, the adhesive that prior art directly drove and kept relay with the rated voltage and the constant high-low level of relay so just can be wasted much energy consumption.
Before this routine drive unit drives relay, the electric capacity of energy-storage units is through the current-limiting resistance charging, and charging voltage and supply voltage are almost equal; After moving cell drove relay, the electric capacity of energy-storage units discharged to relay coil, and relay is with the full voltage adhesive; Voltage reduces behind the capacitor discharge, and relay is supplied power through current-limiting resistance, keeps attracting state, and the required electric current of this attracting state is less than attract current, and therefore, unnecessary energy just stores in energy-storage units.
The needed voltage of coil when wherein, rated voltage is meant relay work; Attract current is meant that relay can produce the minimum current of adhesive action; The pairing voltage of attract current is pick-up voltage; D.C. resistance is meant the D.C. resistance of coil in the relay; Release current is meant that relay produces the maximum current of releasing action; The voltage that release current is corresponding is release voltage.
This example can realize the adhesive of relay through the energy-storage units that is in parallel with relay; Said energy-storage units adopts electric capacity to realize discharging and recharging; Driven after the relay adhesive; Through providing lower relay pick-up voltage to keep its attracting state, thereby, reached purpose of energy saving with littler current drives relay; When using several relay simultaneously, this routine energy-saving effect is more obvious.
Embodiment 2:
Different with embodiment 1 is that this routine said electric capacity adopts electrochemical capacitor.
Wherein, The capacity of electrochemical capacitor is bigger; Be applicable to the effect of low frequency signal, said relay can adopt electromagnetic relay, and this example can be carried out the adhesive driving and the stored energy of relay through the energy-storage units that is in parallel with relay; And then, cut down the consumption of energy to keep the adhesive of relay less than the electric current of relay attract current.
Embodiment 3:
As shown in Figure 2, different with embodiment 2 is, this routine said driver element comprises I/O mouth and the triode that adopts the conducting of I/O mouth, the collector connection relay of said triode, and base stage connects I/O mouth, emitting stage ground connection.
Wherein, before the I/O mouth drove the transistor collector conducting, electric capacity was through the current-limiting resistance charging, and charging voltage and supply voltage are almost equal; After the transistor collector conducting, electric capacity discharges to relay coil, and relay is with the full voltage adhesive; After the relay adhesive, on the electric capacity voltage drop low, relay coil is supplied power through current-limiting resistance, keeps attracting state, just can carry out the adhesive driving and the stored energy of relay through the electric capacity that is in parallel with relay, saves energy.
Embodiment 4:
Different with embodiment 1 is, the resistance of this routine said current-limiting resistance is 1 to 1.5 times of D.C. resistance resistance of said relay.
Wherein, the choosing of said current-limiting resistance resistance when equaling 1 to 1.5 times of the D.C. resistance of coil of relay, controlled suitable power, just can reach good energy-saving effect.
This example also is applicable to the energy-saving driving device of embodiment 2 and embodiment 3 described relays.
Embodiment 5:
Different with embodiment 1 is, the resistance of this routine said current-limiting resistance is controlled by the dividing potential drop of current-limiting resistance and said relay D.C. resistance, and the voltage of said D.C. resistance is 40% to 60% of rated voltage.
The resistance of this routine current-limiting resistance, the dividing potential drop result who is preferably the D.C. resistance that makes itself and relay coil is complementary, and is specially to make the rated voltage that forms 40%-60% on the coil; Can keep stable attracting state; Because square being directly proportional of the power consumption of coil and its voltage, when the rated voltage of formation 40%-60% on the coil, the coil power dissipation of relay can be practiced thrift more than 60%; The voltage that is said D.C. resistance is 40% to 60% of rated voltage; Just can save the coil power dissipation more than 60%, use several even more relays as passing through in the fruit product, its power savings will be more obvious.
The appearance value of this routine said electric capacity can be controlled by the rated current of said relay, and the needed electric current of coil when said rated current is meant relay work is chosen the electric capacity of 100 μ F such as the every 10mA of coil rating electric current.
This example also is applicable to the energy-saving driving device of embodiment 2 and embodiment 3 described relays.
The embodiment of the above is the preferred embodiments of the utility model; It is not the practical implementation scope that limits the utility model with this; The scope of the utility model comprises and is not limited to this embodiment that all shapes according to the utility model, the equivalence that structure is done change all in the protection range of the utility model.
Claims (5)
1. the energy-saving driving device of a relay is characterized in that, comprising: relay, fly-wheel diode, energy-storage units, current-limiting resistance and be used to drive the driver element of relay; Said relay connects power supply through current-limiting resistance, through driver element ground connection; Said fly-wheel diode is parallelly connected with relay; Said energy-storage units adopts electric capacity parallelly connected with relay, and an end of said electric capacity is connected between current-limiting resistance and the relay, other end ground connection.
2. the energy-saving driving device of relay according to claim 1 is characterized in that, said electric capacity adopts electrochemical capacitor.
3. the energy-saving driving device of relay according to claim 2 is characterized in that, said driver element comprises I/O mouth and the triode that adopts the conducting of I/O mouth, the collector connection relay of said triode, and base stage connects I/O mouth, emitting stage ground connection.
4. according to the energy-saving driving device of any described relay of claim 1 to 3, it is characterized in that the resistance of said current-limiting resistance is 1 to 1.5 times of D.C. resistance resistance of said relay.
5. according to the energy-saving driving device of any described relay of claim 1 to 3; It is characterized in that; The resistance of said current-limiting resistance is controlled by the dividing potential drop of current-limiting resistance and relay D.C. resistance, and the voltage of said relay D.C. resistance is 40% to 60% of rated voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200824385U CN202549725U (en) | 2012-03-07 | 2012-03-07 | Energy-saving driver for relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200824385U CN202549725U (en) | 2012-03-07 | 2012-03-07 | Energy-saving driver for relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202549725U true CN202549725U (en) | 2012-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200824385U Expired - Fee Related CN202549725U (en) | 2012-03-07 | 2012-03-07 | Energy-saving driver for relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202549725U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104658818A (en) * | 2013-11-26 | 2015-05-27 | 青岛鼎信通讯股份有限公司 | Relay drive circuit |
| CN116014691A (en) * | 2023-01-09 | 2023-04-25 | 中国铁塔股份有限公司 | Battery compartment door driving device for current-limiting energy storage and fire-fighting driving device |
-
2012
- 2012-03-07 CN CN2012200824385U patent/CN202549725U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104658818A (en) * | 2013-11-26 | 2015-05-27 | 青岛鼎信通讯股份有限公司 | Relay drive circuit |
| CN116014691A (en) * | 2023-01-09 | 2023-04-25 | 中国铁塔股份有限公司 | Battery compartment door driving device for current-limiting energy storage and fire-fighting driving device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121121 Termination date: 20210307 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |