CN201508806U - Action accelerating circuit of electrical relay - Google Patents
Action accelerating circuit of electrical relay Download PDFInfo
- Publication number
- CN201508806U CN201508806U CN2009200588183U CN200920058818U CN201508806U CN 201508806 U CN201508806 U CN 201508806U CN 2009200588183 U CN2009200588183 U CN 2009200588183U CN 200920058818 U CN200920058818 U CN 200920058818U CN 201508806 U CN201508806 U CN 201508806U
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- CN
- China
- Prior art keywords
- boost pressure
- pressure circuit
- circuit unit
- triode
- relay
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Abstract
The utility model relates to the field of an electrical relay, in particular to an action accelerating circuit of an electrical relay, and the action accelerating circuit mainly comprises an input switch control circuit which controls the circuit-on and the circuit-off through inputting the high-low level and an electrical relay coil, wherein, one end of the electrical relay coil is connected with a power supply, and the other end of the electrical relay coil is connected with the input switch control circuit, and a voltage-increasing circuit for providing instantaneous high-voltage is arranged between the switch control circuit and the electrical relay coil. And the instantaneous high-voltage can be provided for the electrical relay coil, which leads the mechanical action to be faster.
Description
Technical field
The utility model relates to the relay field, relates in particular to a kind of actuating of relay accelerating circuit.
Background technology
Existing actuating of relay accelerating circuit such as Fig. 1.Circuit input end BP_RELAY is one of them I/O pin of cpu controller among the figure; CPU can send high level Hi (5V) or whether low level Low (0V) signal comes control relay coil RY1:A to switch on, and whether the contact that Jin Er Decision decides relay moves.Field effect transistor pipe Q3 ends when BP-RELAY is low level, and relay coil RY1:A does not form the loop, and the contact of relay coil RY1:A does not have action.When field effect pipe triode Q3 conducting, there is voltage in the formation loop of relay coil RY1:A, the contact action of relay.This technical scheme circuit is simple, but that shortcoming is the relay road is general operate time.
The utility model content
The technical problems to be solved in the utility model is to overcome the deficiencies in the prior art, provides a kind of and can moment provide the actuating of relay accelerating circuit of high voltage to relay coil.
For achieving the above object, the utility model provides a kind of actuating of relay accelerating circuit, mainly comprise input switch control circuit and relay coil by input high-low level control circuit break-make, one end of relay coil is connected with power supply, an other end of relay coil is connected with the input switch control circuit, and the boost pressure circuit of the transient high voltage of providing is arranged between ON-OFF control circuit and the relay coil.Can provide instant high-voltage to add to relay coil, the mechanical action of relay is accelerated.
Boost pressure circuit mainly comprises the boost pressure circuit unit that is used for increasing voltage when input switch control circuit path in parallel more than, the boost pressure circuit unit mainly comprises electric capacity, triode and diode, power supply is by diode and capacitances in series ground connection, power supply is connected with the E end of triode, the C end ground connection of triode, the tie point of diode and electric capacity is connected with an end of relay coil, and the B end of triode is connected with an other end of input switch control circuit and relay coil.
Another technical scheme is, boost pressure circuit comprises the auxiliary capacitor of at least one boost pressure circuit unit and at least one and the parallel connection of boost pressure circuit unit.
As a kind of preferred version, boost pressure circuit mainly comprises two boost pressure circuit unit and an auxiliary capacitor, and its connected mode is as follows:
One end of auxiliary capacitor is connected with power supply, an other end ground connection;
The positive pole of the diode of the first boost pressure circuit unit is connected with power supply, the negative electrode of the diode of the first boost pressure circuit unit is connected with electric capacity one end of the first boost pressure circuit unit, an other end of the electric capacity of the first boost pressure circuit unit passes through grounding through resistance, the E end of the triode of the first boost pressure circuit unit is connected with power supply, and the C end of the triode of the first boost pressure circuit unit passes through grounding through resistance;
The positive pole of the diode of the second boost pressure circuit unit is connected with power supply, the negative electrode of the diode of the second boost pressure circuit unit is connected with an end of the electric capacity of the second boost pressure circuit unit, an other end of the electric capacity of the second boost pressure circuit unit passes through grounding through resistance, the E end of the triode of the second boost pressure circuit unit is connected with the diode of first boost pressure circuit and the tie point of the electric capacity of the first boost pressure circuit unit, and the C end of the triode of the second boost pressure circuit unit passes through grounding through resistance;
The tie point of the diode of the second boost pressure circuit unit and the electric capacity of the second boost pressure circuit unit is connected with an end of described relay coil, and the B end of the B end of the triode of the first boost pressure circuit unit and the triode of the second boost pressure circuit unit is connected with an other end of described input switch control circuit and relay coil.Adopt this scheme, can provide moment 3 times of supply voltages to add to relay coil.
As a kind of preferred version, the electric capacity in the boost pressure circuit is polar capacitor, and the positive pole of electric capacity is connected with power supply, and triode is the PNP triode in the boost pressure circuit.The input switch control circuit mainly comprises field effect transistor.
The utility model can provide instant high-voltage to relay coil, and the mechanical action of relay coil is accelerated, and satisfies those and requires shorter circuit requirements switching time.
Description of drawings
Fig. 1 is an existing relay action accelerating circuit circuit diagram.
Fig. 2 is a circuit diagram of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 2, the utility model provides a kind of actuating of relay accelerating circuit, mainly comprise input switch control circuit 1 and relay coil RY1:A by input high-low level control circuit break-make, the end of relay coil RY1:A is connected with power supply, the other end of relay coil RY1:A is connected with input switch control circuit 1, and the boost pressure circuit 2 of the transient high voltage of providing is arranged between ON-OFF control circuit 1 and the relay coil RY1:A.
Boost pressure circuit mainly comprises two boost pressure circuit unit and an auxiliary capacitor, and its connected mode is as follows:
The end of auxiliary capacitor C13 is connected with power supply, an other end ground connection;
The positive pole of the diode D3 of the first boost pressure circuit unit is connected with power supply, the negative electrode of the diode D3 of the first boost pressure circuit unit is connected with capacitor C 12 1 ends of the first boost pressure circuit unit, an other end of the capacitor C 12 of the first boost pressure circuit unit passes through grounding through resistance, the E end of the PNP triode Q2 of the first boost pressure circuit unit is connected with power supply, and the C end of the PNP triode Q2 of the first boost pressure circuit unit passes through grounding through resistance;
The positive pole of the diode D2 of the second boost pressure circuit unit is connected with power supply, the negative electrode of the diode D2 of the second boost pressure circuit unit is connected with an end of the capacitor C 11 of the second boost pressure circuit unit, an other end of the capacitor C 11 of the second boost pressure circuit unit passes through grounding through resistance, the E end of the PNP triode Q1 of the second boost pressure circuit unit is connected with the tie point of the capacitor C 12 of the diode D3 of first boost pressure circuit and the first boost pressure circuit unit, and the C end of the PNP triode Q1 of the second boost pressure circuit unit passes through grounding through resistance;
The tie point of the diode D2 of the second boost pressure circuit unit and the capacitor C 11 of the second boost pressure circuit unit is connected with the end of described relay coil RY1:A, and the B end of the B end of the PNP triode Q2 of the first boost pressure circuit unit and the PNP triode Q1 of the second boost pressure circuit unit is connected with the D end of the field effect transistor pipe Q3 of described input switch control circuit 1 and the other end of relay coil RY1:A.
The input switch control circuit mainly comprises field effect transistor pipe Q3 and circuit input end BP_RELAY, and circuit input end BP_RELAY is one of them I/O pin of cpu controller; CPU can send high level (5V) or whether low level (0V) signal comes control relay coil RY1:A to switch on, and whether the contact that Jin Er Decision decides relay moves.When circuit input end BP_RELAY was low level, the circuit action was as follows:
Field effect transistor pipe Q3 ends, therefore PNP triode Q1, the PNP triode Q2 of the first boost pressure circuit unit of the second boost pressure circuit unit end, then the capacitor C 11 of the second boost pressure circuit unit, the capacitor C 12 of the first boost pressure circuit unit, auxiliary capacitor C13 charge to the 12V current potential respectively, but relay coil RY1:A does not form the loop, and relay tip does not have action.
When circuit input end BP_RELAY was high level, the circuit action was as follows:
Field effect transistor pipe Q3 conducting, therefore the PNP triode Q1 of the second boost pressure circuit unit, the PNP triode Q2 conducting of the first boost pressure circuit unit, therefore the capacitor C 12 of the capacitor C 11 of the second boost pressure circuit unit, the first boost pressure circuit unit, auxiliary capacitor C13 form the terminal voltage that is connected on relay coil RY1:A and reach moment 36V current potential, relay coil RY1:A forms loop, action of relay contact.
Claims (8)
1. actuating of relay accelerating circuit, mainly comprise input switch control circuit and relay coil by input high-low level control circuit break-make, one end of relay coil is connected with power supply, an other end of relay coil is connected with the input switch control circuit, it is characterized in that the boost pressure circuit of the transient high voltage of providing is arranged between ON-OFF control circuit and the relay coil.
2. actuating of relay accelerating circuit according to claim 1, it is characterized in that, described boost pressure circuit mainly comprises the boost pressure circuit unit that is used for increasing voltage when input switch control circuit path in parallel more than, described boost pressure circuit unit mainly comprises electric capacity, triode and diode, described power supply is by described diode and described capacitances in series ground connection, power supply is connected with the E end of described triode, the C end ground connection of described triode, the tie point of described diode and described electric capacity is connected with an end of described relay coil, and the B end of described triode is connected with an other end of described input switch control circuit and relay coil.
3. actuating of relay accelerating circuit according to claim 1, it is characterized in that, described boost pressure circuit comprises the auxiliary capacitor of at least one boost pressure circuit unit and at least one and the parallel connection of boost pressure circuit unit, described boost pressure circuit unit mainly comprises electric capacity, triode and diode, described power supply is by described diode and described capacitances in series ground connection, power supply is connected with the E end of described triode, the C end ground connection of described triode, the tie point of described diode and described electric capacity is connected with an end of described relay coil, the B end of described triode is connected with an other end of described input switch control circuit and relay coil, described auxiliary capacitor one end is connected with power supply, an other end ground connection.
4. according to claim 1 or 2 or 3 described actuating of relay accelerating circuits, it is characterized in that described boost pressure circuit mainly comprises two boost pressure circuit unit and an auxiliary capacitor, its connected mode is as follows:
One end of auxiliary capacitor is connected with power supply, an other end ground connection;
The positive pole of the diode of the first boost pressure circuit unit is connected with power supply, the negative electrode of the diode of the first boost pressure circuit unit is connected with electric capacity one end of the first boost pressure circuit unit, an other end of the electric capacity of the first boost pressure circuit unit passes through grounding through resistance, the E end of the triode of the first boost pressure circuit unit is connected with power supply, and the C end of the triode of the first boost pressure circuit unit passes through grounding through resistance;
The positive pole of the diode of the second boost pressure circuit unit is connected with power supply, the negative electrode of the diode of the second boost pressure circuit unit is connected with an end of the electric capacity of the second boost pressure circuit unit, an other end of the electric capacity of the second boost pressure circuit unit passes through grounding through resistance, the E end of the triode of the second boost pressure circuit unit is connected with the diode of first boost pressure circuit and the tie point of the electric capacity of the first boost pressure circuit unit, and the C end of the triode of the second boost pressure circuit unit passes through grounding through resistance;
The tie point of the diode of the second boost pressure circuit unit and the electric capacity of the second boost pressure circuit unit is connected with an end of described relay coil, and the B end of the B end of the triode of the first boost pressure circuit unit and the triode of the second boost pressure circuit unit is connected with an other end of described input switch control circuit and relay coil.
5. according to claim 2 or 3 described actuating of relay accelerating circuits, it is characterized in that described electric capacity is polar capacitor, the positive pole of electric capacity is connected with power supply.
6. actuating of relay accelerating circuit according to claim 3 is characterized in that described auxiliary capacitor is a polar capacitor, and the positive pole of auxiliary capacitor is connected with power supply.
7. according to claim 2 or 3 described actuating of relay accelerating circuits, it is characterized in that the triode of described boost pressure circuit unit is the PNP triode.
8. according to claim 1 or 2 or 3 described actuating of relay accelerating circuits, it is characterized in that described input switch control circuit mainly comprises field effect transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200588183U CN201508806U (en) | 2009-06-19 | 2009-06-19 | Action accelerating circuit of electrical relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200588183U CN201508806U (en) | 2009-06-19 | 2009-06-19 | Action accelerating circuit of electrical relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201508806U true CN201508806U (en) | 2010-06-16 |
Family
ID=42469930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200588183U Expired - Fee Related CN201508806U (en) | 2009-06-19 | 2009-06-19 | Action accelerating circuit of electrical relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201508806U (en) |
-
2009
- 2009-06-19 CN CN2009200588183U patent/CN201508806U/en not_active Expired - Fee Related
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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: 20100616 Termination date: 20170619 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |