CN201687546U - Remote control startup monitoring circuit for automobile - Google Patents
Remote control startup monitoring circuit for automobile Download PDFInfo
- Publication number
- CN201687546U CN201687546U CN2010202060220U CN201020206022U CN201687546U CN 201687546 U CN201687546 U CN 201687546U CN 2010202060220 U CN2010202060220 U CN 2010202060220U CN 201020206022 U CN201020206022 U CN 201020206022U CN 201687546 U CN201687546 U CN 201687546U
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- microprocessor
- control
- engine
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Abstract
The utility model discloses a remote control startup monitoring circuit for an automobile, comprising a microprocessor, an engine oil pressure sensor and a relay, wherein a pair of contacts of the relay are connected in a firing circuit of an engine remote control startup of the automobile in series; a signal output end of the engine oil pressure sensor is connected with a first control signal input end of the microprocessor; and a control signal output end of the microprocessor is connected with the relay. The monitoring circuit carries out monitoring on the engine of the automobile which is switched on in advance before people enter the automobile; and if the engine oil pressure of the engine is too low, the engine is switched off timely by the monitoring circuit, thus avoiding occurrence of accidents of the engine.
Description
[technical field]
The utility model relates to the automobile monitoring circuit, relates in particular to a kind of automobile remote-control and starts supervisory circuit.
[background technique]
Automobile parking is under the environment of outdoor high temperature or low temperature, the people who is not suitable for riding too high or too low for temperature in the car directly enters, usually wish automobile elder generation ato unit and open air-conditioning or heating installation after a period of time, the temperature in the car reaches suitable temperature people and just enters in the car.Remote control start can allow automobile people into the car before in advance the opening automobile motor, drive air-conditioning or heating installation, reach the effect of regulating vehicle interior temperature in advance.
The defective that exists in the automobile remote-control priming technique is at present; can't accomplish motor is carried out intelligent monitoring and safety protection; the engine oil pressure of motor is crossed to hang down and can be caused tile kilning or seize; COOLANT TEMPERATURE can cause scuffing of cylinder bore; generator for electricity generation overtension or lowly excessively cause electrical equipment short circuit or discharged or defective battery, engine speed is too high or too low also can to produce mechanical failure.
[summary of the invention]
The technical problems to be solved in the utility model provides a kind of automobile remote-control and starts supervisory circuit, in the engine operation process after automobile remote-control starts, the operation conditions of monitor engine is moved when undesired at motor, in time, prevent that accident from appearring in motor with engine misses.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is, a kind of automobile remote-control starts supervisory circuit, comprises microprocessor, engine motor oil pressure transducer, relay, and 1 pair of contact of described relay is connected in the firing circuit of motor car engine remote control startup; The signal output part of described engine motor oil pressure transducer connects the first control signal input end of microprocessor, and microprocessor control signal output is succeeded electrical equipment.
Above-described automobile remote-control starts supervisory circuit, and described engine motor oil pressure transducer is an Oil pressure switch.
Above-described automobile remote-control starts supervisory circuit, comprise engine coolant sensor and signal amplification circuit, the signal output part of described engine coolant sensor connects first signal input part of signal amplification circuit, and first signal output part of described signal amplification circuit connects the second control signal input end of microprocessor.
Above-described automobile remote-control starts supervisory circuit, comprises generator, and the current output terminal of described generator connects the 3rd control signal input end of microprocessor.
Above-described automobile remote-control starts supervisory circuit, comprise engine rotation speed sensor, the signal output part of described engine rotation speed sensor connects the secondary signal input end of signal amplification circuit, the 4th control signal input end of the secondary signal output termination microprocessor of described signal amplification circuit.
Above-described automobile remote-control starts supervisory circuit, and described engine rotation speed sensor is an engine crankshaft position sensor.
Above-described automobile remote-control starts supervisory circuit, described microprocessor comprises the first microprocessor and second microprocessor, the signal output part of described engine motor oil pressure transducer connects the first control signal input end of first microprocessor, first signal output part of described signal amplification circuit connects the first control signal input end of second microprocessor, the second control signal input end of secondary signal output termination second microprocessor of described signal amplification circuit, the current output terminal of described generator connects the 3rd control signal input end of second microprocessor; The signal output part of described second microprocessor connects the second control signal input end of first microprocessor, the control signal output relay termination of first microprocessor.
Above-described automobile remote-control starts supervisory circuit, comprises relay drive circuit, and described microprocessor control signal output is succeeded electrical equipment by relay drive circuit.
The utility model automobile remote-control starts supervisory circuit to be monitored the motor car engine that people opened into the car in advance, if the engine oil pressure of motor is low excessively, supervisory circuit prevents that in time with engine misses accident from appearring in motor.
[description of drawings]
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is the theory diagram that the utility model automobile remote-control starts supervisory circuit embodiment.
Fig. 2 is the circuit theory diagrams that the utility model automobile remote-control starts supervisory circuit embodiment.
[embodiment]
Start among the embodiment of supervisory circuit at Fig. 1, the utility model automobile remote-control shown in Figure 2, microprocessor comprises the first microprocessor U1 and the second microprocessor U3, the signal output part of engine motor oil pressure switch P connects the first control signal input end of first microprocessor U1 by resistance R 2, first signal output part of signal amplification circuit U2 connects the first control signal input end of the second microprocessor U3 by resistance R 5, and the secondary signal output terminal of signal amplification circuit U2 connects the second control signal input end of the second microprocessor U3 by resistance R 6.The signal output part of the second microprocessor U3 connects the second control signal input end of first microprocessor U1, the control signal output relay termination driving chip U4 of first microprocessor U1, relay driving chip U4 succeeds electrical equipment K, the a pair of normally opened contact of relay K is connected in the firing circuit of motor car engine remote control startup, the break-make of control ignition coil D.
Engine coolant sensor L and resistance R 1 are serially connected between power firestreak and the ground, and the contact between engine coolant sensor L and the resistance R 1 connects first signal input part of signal amplification circuit U2 by resistance R 3 as the signal output part of engine coolant sensor L; The signal output part of engine crankshaft position sensor F connects the secondary signal input end of signal amplification circuit U2 by capacitor C 1 and resistance R 4; The current output terminal of generator G connects the 3rd control signal input end of the second microprocessor U3 by resistance R 7.
When the utility model remote control starts supervisory circuit work, the car owner uses a teleswitch by radio remote control circuit to first microprocessor U1 input Engine Start Signal, the control signal control relay driving chip U4 of first microprocessor U1, make relay K be connected on a pair of normally opened contact closure in the firing circuit that the motor car engine remote control starts, the circuit of spark coil D is connected, the other circuit of first microprocessor U1 control is simultaneously connected the circuit of starter motor, and motor car engine is started.
If the motor car engine that remote control starts breaks down, as the engine motor oil underpressure, engine motor oil pressure switch P closure, the first control signal input end output low level signal to first microprocessor U1, the control signal control relay driving chip U4 of first microprocessor U1, the closed normally opened contact closure that relay K is connected in the firing circuit that the motor car engine remote control starts is opened, the circuit of cut-out point fire coil D, the motor car engine dead electricity is flame-out, can avoid the accident of tile kilning or seize to take place.
The voltage signal of engine coolant sensor L output is imported the second microprocessor U3 after amplification circuit U2 amplifies.Temperature as engine coolant is too high, the second microprocessor U3 is to the second control signal input end output high level signal of first microprocessor U1, the control signal control relay driving chip U4 of first microprocessor U1, the closed normally opened contact closure that relay K is connected in the firing circuit that the motor car engine remote control starts is opened, the circuit of cut-out point fire coil D, the motor car engine dead electricity is flame-out, can prevent that scuffing of cylinder bore from embracing the accident of piston and taking place.
Equally; the rotating speed of motor car engine is too high or too low; the overtension that automobile current generator sends or low excessively; the second microprocessor U3 can be to the second control signal input end output high level signal of first microprocessor U1; motor car engine is flame-out; motor car engine is protected, prevented that accident from appearring in motor.
Claims (8)
1. an automobile remote-control starts supervisory circuit, it is characterized in that, comprises microprocessor, engine motor oil pressure transducer, relay, and 1 pair of contact of described relay is connected in the firing circuit of motor car engine remote control startup; The signal output part of described engine motor oil pressure transducer connects the first control signal input end of microprocessor, and microprocessor control signal output is succeeded electrical equipment.
2. automobile remote-control according to claim 1 starts supervisory circuit, it is characterized in that described engine motor oil pressure transducer is an Oil pressure switch.
3. automobile remote-control according to claim 1 starts supervisory circuit, it is characterized in that, comprise engine coolant sensor and signal amplification circuit, the signal output part of described engine coolant sensor connects first signal input part of signal amplification circuit, and first signal output part of described signal amplification circuit connects the second control signal input end of microprocessor.
4. automobile remote-control according to claim 3 starts supervisory circuit, it is characterized in that comprise generator, the current output terminal of described generator connects the 3rd control signal input end of microprocessor.
5. automobile remote-control according to claim 4 starts supervisory circuit, it is characterized in that, comprise engine rotation speed sensor, the signal output part of described engine rotation speed sensor connects the secondary signal input end of signal amplification circuit, the 4th control signal input end of the secondary signal output termination microprocessor of described signal amplification circuit.
6. automobile remote-control according to claim 5 starts supervisory circuit, it is characterized in that described engine rotation speed sensor is an engine crankshaft position sensor.
7. automobile remote-control according to claim 5 starts supervisory circuit, it is characterized in that, described microprocessor comprises the first microprocessor and second microprocessor, the signal output part of described engine motor oil pressure transducer connects the first control signal input end of first microprocessor, first signal output part of described signal amplification circuit connects the first control signal input end of second microprocessor, the second control signal input end of secondary signal output termination second microprocessor of described signal amplification circuit, the current output terminal of described generator connects the 3rd control signal input end of second microprocessor; The signal output part of described second microprocessor connects the second control signal input end of first microprocessor, the control signal output relay termination of first microprocessor.
8. start supervisory circuit according to the described automobile remote-control of arbitrary claim in the claim 1 to 6, it is characterized in that comprise relay drive circuit, described microprocessor control signal output is succeeded electrical equipment by relay drive circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202060220U CN201687546U (en) | 2010-05-26 | 2010-05-26 | Remote control startup monitoring circuit for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202060220U CN201687546U (en) | 2010-05-26 | 2010-05-26 | Remote control startup monitoring circuit for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201687546U true CN201687546U (en) | 2010-12-29 |
Family
ID=43375831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202060220U Expired - Fee Related CN201687546U (en) | 2010-05-26 | 2010-05-26 | Remote control startup monitoring circuit for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201687546U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105041410A (en) * | 2015-07-10 | 2015-11-11 | 隆鑫通用动力股份有限公司 | Engine oil pressure monitoring and protecting system of single-cylinder engine |
-
2010
- 2010-05-26 CN CN2010202060220U patent/CN201687546U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105041410A (en) * | 2015-07-10 | 2015-11-11 | 隆鑫通用动力股份有限公司 | Engine oil pressure monitoring and protecting system of single-cylinder engine |
| CN105041410B (en) * | 2015-07-10 | 2018-07-13 | 隆鑫通用动力股份有限公司 | Single-cylinder engine machine oil hydraulic monitoring and protecting system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101229 Termination date: 20130526 |