CN101169070A - Engine automatic monitoring system - Google Patents

Engine automatic monitoring system Download PDF

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Publication number
CN101169070A
CN101169070A CNA2007101130801A CN200710113080A CN101169070A CN 101169070 A CN101169070 A CN 101169070A CN A2007101130801 A CNA2007101130801 A CN A2007101130801A CN 200710113080 A CN200710113080 A CN 200710113080A CN 101169070 A CN101169070 A CN 101169070A
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China
Prior art keywords
relay
circuit
control circuit
engine
triode
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Granted
Application number
CNA2007101130801A
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Chinese (zh)
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CN100585146C (en
Inventor
高子泉
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Shandong Land Technology Co.,Ltd.
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高子泉
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Publication of CN101169070A publication Critical patent/CN101169070A/en
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Publication of CN100585146C publication Critical patent/CN100585146C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention relates to an automatic engine monitoring system. The invention has the technical proposal that the automatic engine monitoring system consists of an engine rotate speed monitoring circuit, a water temperature measuring and controlling circuit, an oil temperature measuring and controlling circuit, an engine oil pressure measuring and controlling circuit, a lamplight caution circuit, an engine flameout delay controlling circuit, and a main controlling circuit. The engine rotate speed monitoring circuit consists of a tachometer sensor L, a capacitor C8, an adjustable resistance W1, an integrated circuit IC1, and resistors R1, R2, and R3. The water temperature measuring and controlling circuit consists of a capacitor C1, a triode T2, a resistor R5, and a relay J2. The oil temperature measuring and controlling circuit consists of a capacitor C2, a triode T3, a resistor R6, and a relay J3. The engine oil pressure measuring and controlling circuit consists of capacitor C3, a triode T4, a resistor R7, and a relay J4. The invention which can be added conveniently can avoid the damage of the engine caused by the overlow oil pressure and overhigh water temperature and oil temperature, and can lower the working intensity.

Description

Engine automatic monitoring system
Technical field
A kind of engine automatic monitoring system that the present invention relates to use in the mechanical field.
Background technique
The use of the intermediate fuel oil of enterprise's production at present motor is very extensive, during engine operation, noise is big, vibrations are big and running time is long, the staff can not keep by machine always, but need often travel to and fro between between the instrument panel of night shift room and motor, therefore may be low excessively, water temperature, the oil temperature is too high or factor such as driving and motor is damaged because of the oil pressure of machine.
Summary of the invention
Purpose of the present invention is exactly the defective that exists at prior art, and a kind of install additional simple and engine automatic monitoring system easy to use are provided.
Its technological scheme is: comprise that engine speed observation circuit, water temperature detect control circuit, the oil temperature detects control circuit, engine oil pressure detection control circuit, light warning circuit, engine misses delay control circuit and main control circuit and connects to form, it is characterized in that: the engine speed observation circuit is made up of tachogenerator L, capacitor C 8, adjustable resistance W1, IC 1, resistance R 1, R2, R3, IC 1 is by resistance R 4 trigger triode T1 conductings, relay J 1 adhesive; Relay J 1 parallel diode D1; Water temperature detects control circuit and is made up of capacitor C 1, triode T2, resistance R 5 and relay J 2; The oil temperature detects control circuit and is made up of capacitor C 2, triode T3, resistance R 6 and relay J 3; Engine oil pressure detects control circuit and is made up of capacitor C 3, triode T4, resistance R 7 and relay J 4; Each one group of contact J1-1-J4-1 that detects the relay J 1-J4 in the control circuit is connected on the light warning circuit of being made up of IC 2, resistance R 8, R9, R10, R11, triode T5 and light emitting diode D5, D6, D7, D8; Each is connected on the engine misses delay control circuit of being made up of IC 3, resistance R 12, R13, triode T6, capacitor C 7, C10 relay J 5, diode D9 after detecting another group contact J1-2-J4-2 parallel connection of relay J 1-J4 in the control circuit; Be parallel with diode D1, D2, D3, D4 on the relay J 1-J4 respectively, main control circuit is made up of the contact J5-1 of flame-out relay DL, relay J 5.
End at main control circuit is provided with mu balanced circuit and polarity protection diode, and mu balanced circuit is made up of IC 4, capacitor C 4, C5.
That effect of the present invention has is simple in structure, install additional conveniently, be installed in the engine control circuit in enterprise's production, can play detection facility because the oil pressure of machine is crossed low or water temperature, the oil temperature is too high and driving etc. and motor is damaged, and alleviates staff's labor intensity greatly.
Description of drawings
The circuit theory diagrams of accompanying drawing present embodiment;
IN+, GND are the DC electrical source inputs among the figure; H1 is electric contact type water-thermometer contact; H2 is electric contact type oil temperature gauge contact; H3 is electric contact type fuel level indicator contact.
Specific embodiment
Be further described with regard to its working principle below in conjunction with accompanying drawing: the present invention is mainly by the engine speed observation circuit, water temperature detects control circuit, the oil temperature detects control circuit, engine oil pressure detects control circuit, the light warning circuit, engine misses delay control circuit and main control circuit connect to form, IC 1 connects tachogenerator L, capacitor C 8, adjustable resistance W1, resistance R 1, R2, R3 forms the engine speed observation circuit, when the engine speed overrun, IC 1 output high level is through resistance R 4 trigger triode T1 conductings, relay J 1 adhesive; Simultaneously, the contact J1-1 of relay J 1, J1-2 closure are connected light warning circuit and engine misses delay control circuit respectively and are made engine misses and send the light caution.
Triode T2 connects electric contact type water-thermometer contact H1, capacitor C 1, resistance R 5 and relay J 2 and forms water temperature detection control circuit; When motor water temperature occurs when too high for a certain reason, water-thermometer contact H1 closure, power supply begins to capacitor C 1 charging and through resistance R 5 trigger triode T2 conductings, relay J 2 adhesives; Simultaneously, the contact J2-1 of relay J 2, J2-2 closure are connected light warning circuit and engine misses delay control circuit respectively and are made engine misses and send the light caution.
Triode T3 connects electric contact type oil temperature gauge contact H2, capacitor C 2, resistance R 6 and relay J 3 and forms oil temperature detection control circuit; When motor oil temperature occurs when too high for a certain reason, oil temperature gauge contact H2 closure, power supply begins to capacitor C 2 chargings and through resistance R 6 trigger triode T3 conductings, relay J 3 adhesives; Simultaneously, the contact J3-1 of relay J 3, J3-2 closure are connected light warning circuit and engine misses delay control circuit respectively and are made engine misses and send the light caution.
Triode T4 connects electric contact type fuel level indicator contact H3, capacitor C 3, resistance R 7 and relay J 4 and forms water temperature detection control circuit; When motor water temperature occurs when too high for a certain reason, water-thermometer contact H3 closure, power supply begins to capacitor C 3 chargings and through resistance R 7 trigger triode T4 conductings, relay J 4 adhesives; Simultaneously, the contact J4-1 of relay J 4, J4-2 closure are connected light warning circuit and engine misses delay control circuit respectively and are made engine misses and send the light caution.
Water temperature in the foregoing description detects control circuit, the oil temperature detects control circuit and engine oil pressure detection control circuit can be installed and used separately in an embodiment, also can select wherein two to install and use.

Claims (2)

1. engine automatic monitoring system, comprise that engine speed observation circuit, water temperature detect control circuit, oily temperature detects control circuit, engine oil pressure detection control circuit, light warning circuit, engine misses delay control circuit and main control circuit and connects composition, it is characterized in that: the engine speed observation circuit is made up of tachogenerator (L), electric capacity (C8), adjustable resistance (W1), intergrated circuit (IC1), resistance (R1, R2, R3), intergrated circuit (IC1) is by resistance (R4) trigger triode (T1) conducting, relay (J1) adhesive; Relay (J1) parallel diode (D1); Water temperature detects control circuit and is made up of electric capacity (C1), triode (T2), resistance (R5) and relay (J2); The oil temperature detects control circuit and is made up of electric capacity (C2), triode (T3), resistance (R6) and relay (J3); Engine oil pressure detects control circuit and is made up of electric capacity (C3), triode (T4), resistance (R7) and relay (J4); Each one group of contact (J1-1-J4-1) of detecting the relay (J1-J4) in the control circuit is connected on the light warning circuit of being made up of intergrated circuit (IC2), resistance (R8, R9, R10, R11), triode (T5) and light emitting diode (D5, D6, D7, D8); Each is connected on the engine misses delay control circuit of being made up of intergrated circuit (IC3), resistance (R12, R13), triode (T6), electric capacity (C7, C10) relay (J5), diode (D9) after detecting another group contact (J1-2-J4-2) parallel connection of relay (J1-J4) in the control circuit; Relay (J1-J4) is parallel with diode (D1-D4) respectively, and main control circuit is made up of the contact (J5-1) of flame-out relay (DL), relay (J5).
2. engine automatic monitoring system according to claim 1 is characterized in that: the end at main control circuit is provided with mu balanced circuit and polarity protection diode, and mu balanced circuit is made up of intergrated circuit (IC4), electric capacity (C4, C5).
CN200710113080A 2007-10-31 2007-10-31 Engine automatic monitoring system Expired - Fee Related CN100585146C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200710113080A CN100585146C (en) 2007-10-31 2007-10-31 Engine automatic monitoring system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200710113080A CN100585146C (en) 2007-10-31 2007-10-31 Engine automatic monitoring system

Publications (2)

Publication Number Publication Date
CN101169070A true CN101169070A (en) 2008-04-30
CN100585146C CN100585146C (en) 2010-01-27

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CN200710113080A Expired - Fee Related CN100585146C (en) 2007-10-31 2007-10-31 Engine automatic monitoring system

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102735258A (en) * 2012-06-15 2012-10-17 宁波吉江汽车制造有限责任公司 Automobile instrument detection device
CN106678926A (en) * 2017-01-23 2017-05-17 惠安县昌瑞五金制品有限公司 Community heating system based on BIM technology

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105587407B (en) * 2016-02-29 2018-06-19 潍柴动力股份有限公司 A kind of method for preventing engine scuffing

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102735258A (en) * 2012-06-15 2012-10-17 宁波吉江汽车制造有限责任公司 Automobile instrument detection device
CN106678926A (en) * 2017-01-23 2017-05-17 惠安县昌瑞五金制品有限公司 Community heating system based on BIM technology
CN106678926B (en) * 2017-01-23 2019-02-26 南京兰林智慧建筑科技有限公司 A kind of cell heating system based on BIM technology

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