CN201984368U - Controller for automotive ignition lock electromagnetic valve - Google Patents
Controller for automotive ignition lock electromagnetic valve Download PDFInfo
- Publication number
- CN201984368U CN201984368U CN201120048274XU CN201120048274U CN201984368U CN 201984368 U CN201984368 U CN 201984368U CN 201120048274X U CN201120048274X U CN 201120048274XU CN 201120048274 U CN201120048274 U CN 201120048274U CN 201984368 U CN201984368 U CN 201984368U
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- China
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- circuit
- electromagnetic valve
- voltage
- solenoid valve
- triode
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- Expired - Fee Related
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- Magnetically Actuated Valves (AREA)
Abstract
The utility model relates to a controller for an automotive ignition lock electromagnetic valve, which consists of a voltage-stabilizing circuit and a delay drive circuit. The input end of the voltage-stabilizing circuit is connected with a vehicle power supply through a P gear switch; the delay drive circuit consists of a first resistor, a first capacitor and two triodes; the first resistor and the first capacitor are connected in series to form an integrating circuit to be connected with the output end of the voltage-stabilizing circuit; collecting electrodes of the two triodes are both connected with the output end of the voltage-stabilizing circuit; a base electrode of the first triode is connected with an output signal of the integrating circuit and an emitting electrode is connected with a base electrode of the second triode; and an emitting electrode of the second triode controls the ignition lock electromagnetic valve. In the controller, the ignition lock electromagnetic valve is controlled by the delay drive circuit so that drive current flowing to the electromagnetic valve is slowly increased so as to effectively reduce impact noise of an ignition lock electromagnetic valve rod and improve riding comfort. Meanwhile, the voltage-stabilizing circuit eliminates wave motion of automotive power supply voltage so as to improve reliability of the electromagnetic valve.
Description
Technical field
The utility model relates to a kind of circuit that is used to control CVT automotive ignition latching solenoid valve, belongs to automobile technical field.
Background technology
CVT(Continuously Variable Transmission, continuous variable transmission) automobile is provided with the ignition lock solenoid valve, and existing ignition lock solenoid valve generally all is directly actuated by the P gear switch of gear level, and control principle as shown in Figure 1.The driving voltage that this control circuit provides for the ignition lock solenoid valve is surge voltage (amplitude often is 13.5V), so the electromagnetic force moment change that solenoid valve produced is big, causes the valve rod of solenoid valve to produce bigger impact noise, has influenced the comfortableness of riding.In addition, because the output voltage of automobile power source can fluctuate between 9～16V, the operating voltage of ignition lock solenoid valve also is unsettled, and this has just reduced the reliability of solenoid valve work.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of automotive ignition latching solenoid valve controller is provided, with effective reduction valve rod impact noise and improve the reliability of solenoid valve work.
Problem described in the utility model realizes with following technical proposals:
A kind of automotive ignition latching solenoid valve controller, it is made up of mu balanced circuit and delay driving circuit, the input end of described mu balanced circuit connects the car load power supply through the P gear switch, described delay driving circuit is made up of first resistance, first electric capacity and two triodes, first resistance becomes integrating circuit to be connected on the output terminal of mu balanced circuit with first capacitances in series, the collector of two triodes all connects the output terminal of mu balanced circuit, the base stage of first triode connects the output signal of integrating circuit, emitter connects the base stage of second triode, the emitter control ignition latching solenoid valve of second triode.
Above-mentioned automotive ignition latching solenoid valve controller, described mu balanced circuit is made up of voltage stabilizing chip, second resistance, two electric capacity and diode, the Vin end of described voltage stabilizing chip connects the car load positive source through the P gear switch, the collector of two triodes of Vout termination, the GND end connects the car load power cathode through second resistance, first diode and second diode successively, and second electric capacity and the 3rd electric capacity are respectively the decoupling capacitors of voltage stabilizing chip Vin end and Vout end.
Above-mentioned automotive ignition latching solenoid valve controller also is provided with anti-reverse the 3rd diode between voltage stabilizing chip and P gear switch.
The utility model utilizes delay driving circuit that the ignition lock solenoid valve is controlled, the drive current of the solenoid valve of flowing through is slowly increased, reach the purpose of " electronic damping ", thereby effectively reduce the impact noise of ignition lock solenoid valve valve rod, improved ride comfort.Simultaneously, mu balanced circuit has been eliminated the fluctuation of vehicle power supply voltage, has improved the reliability of solenoid valve.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is the electrical schematic diagram of traditional solenoid valve control circuit;
Fig. 2 is an electrical schematic diagram of the present utility model.
Each label is among the figure: U1, voltage stabilizing chip; Q1, first triode; Q2, second triode; D1, first diode; D2, second diode; D3, the 3rd diode; V, solenoid valve; K, P gear switch; C1, first electric capacity; C2, second electric capacity; C3, the 3rd electric capacity; R1, first resistance; R2, second resistance.
Embodiment
The utility model has increased mu balanced circuit and delay driving circuit between power supply and solenoid valve V, effectively avoided the cataclysm impact phenomenon of electric current and voltage.
By electromagnetic force
Computing formula:
(wherein,
Be permeability of vacuum,
Be the magnetic circuit sectional area,
Be coil turn,
Be the working current of solenoid valve,
Be magnetic leakage factor,
Be gas length) as can be known, working current
Unexpected increase, will certainly cause electromagnetic force
Sudden change, and the power value alters a great deal, and so just can cause the impact of solenoid valve valve rod, thereby collision, vibration occur, produces the noise abnormal sound.
Referring to Fig. 2, the left side of circuit diagram is the power input of accumulator and generator: the operating voltage of car is generally: 9～16V.At the input end of power supply anti-reverse the 3rd diode D3 that connects, prevent electric power polarity connect anti-after, burn circuit board.Voltage stabilizing chip U1 can be adjusted into supply voltage about 8V.First resistance R 1 and first capacitor C 1 constitute integrator delay-time circuit, realization powers on, and (time length can be set according to t=R1*C1 in time-delay, duration of charging is 2～3s), in the C1 charging process, its anodal current potential slowly rises, and the base potential of the first triode Q1 constantly raises thereupon, until being stabilized in 8V, thereby realize the slow increase of drive current, effectively eliminated the impact noise of solenoid valve.
Q1 and Q2 constitute complex pipe, to improve current amplification factor, obtain enough big drive current.The forward voltage of each triode emitter junction is 0.7V, and after first capacitor C, 1 both end voltage rose to 1.4V, two triodes just began conducting.The first diode D1, the second diode D2 are used to improve voltage stabilizing chip U1 ground reference, guarantee that the U1 output voltage is a little more than 8V.
Claims (3)
1. automotive ignition latching solenoid valve controller, it is characterized in that, it is made up of mu balanced circuit and delay driving circuit, the input end of described mu balanced circuit connects the car load power supply through P gear switch (K), described delay driving circuit is by first resistance (R1), first electric capacity (C1) and two triodes are formed, first resistance (R1) and first electric capacity (C1) are connected into the output terminal that integrating circuit is connected on mu balanced circuit, the collector of two triodes all connects the output terminal of mu balanced circuit, the base stage of first triode (Q1) connects the output signal of integrating circuit, emitter connects the base stage of second triode (Q2), the emitter control ignition latching solenoid valve (V) of second triode (Q2).
2. according to the described automotive ignition latching solenoid valve of claim 1 controller, it is characterized in that, described mu balanced circuit is by voltage stabilizing chip (U1), second resistance (R2), two electric capacity and diode are formed, the Vin end of described voltage stabilizing chip (U1) connects the car load positive source through P gear switch (K), the collector of two triodes of Vout termination, the GND end is successively through second resistance (R2), first diode (D1) and second diode (D2) connect the car load power cathode, and second electric capacity (C2) and the 3rd electric capacity (C3) are respectively the decoupling capacitors of voltage stabilizing chip (U1) Vin end and Vout end.
3. according to claim 1 or 2 described automotive ignition latching solenoid valve controllers, it is characterized in that, between voltage stabilizing chip (U1) and P gear switch (K), also be provided with anti-reverse the 3rd diode (D3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120048274XU CN201984368U (en) | 2011-02-25 | 2011-02-25 | Controller for automotive ignition lock electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120048274XU CN201984368U (en) | 2011-02-25 | 2011-02-25 | Controller for automotive ignition lock electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201984368U true CN201984368U (en) | 2011-09-21 |
Family
ID=44611824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120048274XU Expired - Fee Related CN201984368U (en) | 2011-02-25 | 2011-02-25 | Controller for automotive ignition lock electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201984368U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109686603A (en) * | 2018-12-29 | 2019-04-26 | 广东机电职业技术学院 | A kind of electronic arc eliminating automobile electromagnetic switch |
| CN111061327A (en) * | 2019-12-12 | 2020-04-24 | 联合汽车电子有限公司 | Closed-loop control system and closed-loop control method of driving circuit |
-
2011
- 2011-02-25 CN CN201120048274XU patent/CN201984368U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109686603A (en) * | 2018-12-29 | 2019-04-26 | 广东机电职业技术学院 | A kind of electronic arc eliminating automobile electromagnetic switch |
| CN111061327A (en) * | 2019-12-12 | 2020-04-24 | 联合汽车电子有限公司 | Closed-loop control system and closed-loop control method of driving circuit |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110921 Termination date: 20180225 |