CN201096016Y - Engines monitoring instrument - Google Patents
Engines monitoring instrument Download PDFInfo
- Publication number
- CN201096016Y CN201096016Y CNU2007200761686U CN200720076168U CN201096016Y CN 201096016 Y CN201096016 Y CN 201096016Y CN U2007200761686 U CNU2007200761686 U CN U2007200761686U CN 200720076168 U CN200720076168 U CN 200720076168U CN 201096016 Y CN201096016 Y CN 201096016Y
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- monitoring instrument
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- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
The utility model provides an engine monitoring instrument to enhance operation safety and automation of an engine and an engine set. The engine monitoring instrument comprises a control box, a sensor set, a display device which is connected with the control box and a power module which is connected with the control box. The sensor set comprises a plurality of sensors which are used for detecting different parameters of the engine, and each sensor is connected with the control box by a transfer circuit. The engine monitoring instrument of the utility model has the functions of electronic governor, parameters field setting operation, 485 communication adoption, realization of data remote transmission, sensor automatic detection and intelligent judgment, sensor software automatic zero adjustment, marine working environment satisfaction, etc., thereby being an advanced integration electronic instrument system.
Description
Technical field
The utility model relates to monitoring instrument technical fields such as vehicle, boats and ships, specifically, relates to a kind of engine monitoring instrument.
Background technique
Common engine monitoring instrument generally only has fundamental functions such as automatic measurement, numeral demonstration and out-of-limit protection.Except above-mentioned fundamental function, on-the-spotly be provided with for the requirement that adapts to modern engine monitoring instrument has the electronic speed regulation, Operational Limits of motor, communication function, realize that data remote, sensor detect numerous functions such as intelligent decision, sensor software automatic zero adjustment, working environment accommodation are big automatically.And existing engine monitoring instrument does not all possess above-mentioned multinomial function, is difficult to reach motor is implemented monitoring effectively, carries out the purpose of protection automatically reliably.
Chinese patent ZL 200420024312.8 provides a kind of automatic monitoring device of engine operating condition, comprise power circuit unit, mu balanced circuit unit and automatic control unit, it is characterized in that: described automatic control unit comprises A heart analog-digital converter and microprocessor, and wherein seven input ends compress switch with engine oil respectively the AZD analog-digital converter, brake system pressure switch, engine oil temperature sensor, engine cooling liquid level alarm switch, engine water temperature sensor, fuel oil sensor be connected with the torque-converters oil temperature sensor; The A/D analog-digital converter wherein seven output terminals connect respectively behind the resistance with microprocessor wherein seven input ends be connected; be connected with another input end of microprocessor behind the output terminal of mu balanced circuit unit two electric capacity in parallel; wherein connecting respectively microprocessor to form the oil temperature too high for light emitting diode by 5 output terminals; the cooling liquid level is low excessively; COOLANT TEMPERATURE; fuel level is crossed low and the warm too high one-level zone of alarm of torque-converters oil; in addition two output terminals light emitting diode of connecting is respectively formed engine oil pressure and is crossed low and braking system fault secondary zone of alarm; another output terminal is connecting buzzer siren, and another output terminal is connecting the engine shutdown switch.
The model utility content
The purpose of this utility model provides a kind of engine monitoring instrument, with monitoring engine automatically, reaches automatic actuation engine; Electronic speed regulation; To the rotating speed of motor, oil pressure, oil temperature, water temperature, battery voltage, operation wait for a long time that parameter is measured automatically, numeral demonstration and out-of-limit protection; Concurrent bright dipping acoustic alarm signal; Control parking electromagnet cuts off fuel path, controls diesel engine automatically and stops; Purposes such as long-distance remote control.In a word, by using the utility model, improve the safety in operation and the automaticity of motor, generator set.
The technical problem that the utility model solved can realize by the following technical solutions:
A kind of engine monitoring instrument is characterized in that, comprising:
One control box;
Sensor groups, described sensor groups comprises the sensor of a plurality of detection of engine different parameters, and each sensor links to each other with control box by change-over circuit;
The display unit that links to each other with control box;
The power module that links to each other with control box.
In the utility model, be provided with electronic speed regulator in the described control box, it comprises:
Speed-regulating controller carries out engine governed speed control;
Speed probe is connected with speed-regulating controller, detection of engine flywheel rotating speed, and carry out rotating speed input to speed-regulating controller;
Electromagnetic actuator is installed on the injection pump of engine housing, is connected with speed-regulating controller, carries out the engine flywheel rotational speed regulation.
In the utility model, described speed-regulating controller comprises:
The rotational speed regulation circuit, it links to each other with electromagnetic actuator, drives the electromagnetic actuator action;
Be arranged on the speed feedback circuit between speed probe and the rotational speed regulation circuit;
Be connected to the power supply processing circuit of speed-regulating controller and electromagnetic actuator power supply with battery power.
Described rotational speed regulation circuit is provided with idling/rated speed switch, and the rotating speed inching switch that links to each other with speed switch further can be set, so that carry out rotational speed regulation more accurately.
Be provided with delay circuit between described speed switch and the rotational speed regulation circuit, under the response time of setting, to carry out rotational speed regulation.
Also be provided with disconnection protection circuit between described speed feedback circuit and the speed probe,, in time cut off the electricity supply with when the flywheel rotating speed exceeds standard.
Be provided with emergency stop button in the power supply processing circuit, so that in needs, carry out emergency shutdown.
Also be provided with the motor oil mass between described rotational speed regulation circuit and the electromagnetic actuator and adjust circuit and oil mass position feedback circuit, be beneficial to carry out the fuel-flow control of motor.
Also be provided with the sensor excitation power supply that links to each other with electromagnetic actuator in the described speed-regulating controller, think that electromagnetic actuator provides working power.
Also be provided with the state test button in the described speed-regulating controller, to carry out the state debugging.
Described speed probe adopts magnetoelectric tachometric transducer, and its internal structure is made up of magnetic conduction probe, coil, magnet steel.
In the utility model, described sensor groups also comprises:
Cooling-water temperature sensor, it is installed on the fresh water line between engine cylinder head water outlet and the heat control valve, and cooling-water temperature sensor is connected with control box with the A/D change-over circuit by preamplifying circuit;
Oil temperature sensor, it is installed on engine sump tank oil sump place, and oil temperature sensor is connected with control box with the A/D change-over circuit by preamplifying circuit;
Oil pressure transmitter, it is installed in the main oil gallery position behind the engine motor oil filter, and oil pressure transmitter is connected with control box with the A/D change-over circuit by the I/V change-over circuit.
All adopt the belted type cable of double layer screen to be connected between described cooling-water temperature sensor, oil temperature sensor and oil pressure transmitter and the control box.
Also be provided with acoustic-optic alarm on the described control box,, guarantee the normal operation of motor with output that the abnormal work situation of motor is reported to the police.
Described control box is provided with output interface, can realize the working condition of motor is exported.
Engine monitoring instrument of the present utility model has electronic speed regulation, the on-the-spot setting of Operational Limits, adopts 485 communications, realizing that data remote, sensor detect intelligent decision, sensor software automatic zero adjustment automatically, satisfy function such as working environment peculiar to vessel, is more advanced electromechanical integration Electronic Instrument System.
Description of drawings
Fig. 1 is the schematic diagram of the utility model engine monitoring instrument.
Fig. 2 is the structural representation of the utility model Motronic control maps speed regulator.
Fig. 3 is the utility model Motronic control maps speed regulator circuit theory diagrams.
Fig. 4 is the speed probe of model utility Motronic control maps speed regulator
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
As shown in Figure 1, a kind of engine monitoring instrument, comprise control box MCU, its sensor with a plurality of detection of engine different parameters is connected, these sensors constitute sensor groups, each sensor links to each other with control box MCU by change-over circuit, wherein cooling-water temperature sensor is installed on the fresh water line between engine cylinder head water outlet and the heat control valve, it is connected with control box with the A/D change-over circuit by preamplifying circuit, oil temperature sensor, it is installed on engine sump tank oil sump place, it is connected with control box with the A/D change-over circuit by preamplifying circuit, oil pressure transmitter is contained in the main oil gallery position behind the engine motor oil filter, and it is connected cooling-water temperature sensor by the I/V change-over circuit with the A/D change-over circuit with control box, all adopt the belted type cable of double layer screen to be connected between oil temperature sensor and oil pressure transmitter and the control box.
Also be provided with display unit on the control box MCU, can numeral show rotating speed, oil pressure, water temperature, oil temperature, battery voltage, operation Cumulative time etc., the power module that links to each other with control box adopts the DC/DC power supply, think that whole monitor provides working power, in addition, also be provided with output interface and acoustic-optic alarm on the control box MCU, so that the working condition to motor is exported, and, guarantee the normal operation of motor to the output of reporting to the police of the abnormal work situation of motor.
Referring to Fig. 2, be provided with electronic speed regulator in the control box, it comprises speed-regulating controller 1, speed probe 2 and electromagnetic actuator 3, speed-regulating controller 1 carry out engine governed speed control; Speed probe 2 is connected with speed-regulating controller 1, detection of engine flywheel rotating speed, and carry out rotating speed input to speed-regulating controller, electromagnetic actuator 3 is installed on the injection pump of engine housing, is connected with speed-regulating controller 1, carries out the engine flywheel rotational speed regulation.
Referring to Fig. 3, speed-regulating controller 1 comprises rotational speed regulation circuit PID1, rotational speed regulation circuit PID1 is provided with idling/rated speed switch 11, and the rotating speed inching switch 12 that links to each other with speed switch 11, can carry out accurately rotational speed regulation, rotational speed regulation circuit PID1 links to each other with electromagnetic actuator 3, drives the electromagnetic actuator action, be provided with delay circuit between speed switch and the rotational speed regulation circuit PID1, under the response time of setting, to carry out rotational speed regulation.Rotational speed regulation circuit PID1 connects the motor oil mass and adjusts circuit PID2, the motor oil mass is adjusted circuit PID2 and is connected electromagnetic actuator 3, electromagnetic actuator 3 is sent rotating speed control command and fuel-flow control instruction, in order to realize closed loop control, rotational speed regulation circuit PID1 and motor oil mass are adjusted circuit PID2 and are respectively equipped with speed feedback circuit and oil mass position feedback circuit.The speed feedback circuit is realized by the F/V change-over circuit; it links to each other with speed probe 2; after being converted to VDC; tach signal is sent to rotational speed regulation circuit PID1; also be provided with disconnection protection circuit between speed feedback circuit and the speed probe 2; with when the flywheel rotating speed exceeds standard, in time cut off the electricity supply.Oil mass position feedback circuit links to each other with electromagnetic actuator 3, adjusts circuit PID2 feedback oil mass signal to oil mass.Power supply processing circuit links to each other with battery power 4, thinks speed-regulating controller 1 and electromagnetic actuator 3 power supplies, which is provided with emergency stop button 41, so that carry out emergency shutdown in needs.Also be provided with the sensor excitation power supply that links to each other with electromagnetic actuator 3 in the speed-regulating controller 1, think that electromagnetic actuator provides working power, and the state test button 13 that carries out the state debugging.
Referring to Fig. 4, speed probe 2 adopts magnetoelectric tachometric transducer, its internal structure is made up of magnetic conduction probe 21, coil 22, magnet steel 23 and connector assembly 24, magnetoelectric tachometric transducer is a prior art, those skilled in the art knows its structure and working principle, is not repeated at this; In like manner, the structure of electromagnetic actuator and working principle have also no longer been narrated.
When work, speed-regulating controller 1 is realized " ratio adjusting ", " integration adjusting " and computings such as " differential adjustings " or complicated more intelligence by analog circut or computer software, by the fuel delivery of electromagnetic actuator 3 control motors.The actual outgoing position of electromagnetic actuator 3 can be given rotational speed governor 1 by the non-contacting position sensor feedback, realizes closed loop control.Speed probe 2 is experienced the actual speed of motor, and signal is transferred to speed-regulating controller 1.This signal is a VDC through the F/V circuit conversion, obtains the rotating speed departure with speed setting value after relatively; This deviation draws engine fuel supply amount positional value after rotational speed regulation circuit PID1 computing is amplified, it is executive component stable state output order position, this location of instruction and current electromagnetic actuator 3 actual outgoing positions relatively after, obtain the positional deviation amount, after this deviation is adjusted circuit PID2 computing amplification through oil mass again, change into the PWM current control mode, to electromagnetic actuator 3 output driving currents, to change the outgoing position of electromagnetic actuator 3, drive the injection pump of engine tooth bar, closure or fuel control valve are to the direction motion that reduces the rotating speed deviation, thus the stable operation under the rotating speed that sets of control motor.Therefore electronic speed regulator can be controlled the fuel delivery of motor more accurately, more in time according to actual needs, thereby reaches that speed of response is fast, adjusting speed accuracy is high, the requirement of good stability and energy-saving and emission-reduction.
More than show and described basic principle of the present utility model and major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (15)
1. an engine monitoring instrument is characterized in that, comprising:
One control box;
Sensor groups, described sensor groups comprises the sensor of a plurality of detection of engine different parameters, and each sensor links to each other with control box by change-over circuit;
The display unit that links to each other with control box;
The power module that links to each other with control box.
2. engine monitoring instrument as claimed in claim 1 is characterized in that: be provided with electronic speed regulator in the described control box, it comprises:
Speed-regulating controller carries out engine governed speed control;
Speed probe is connected with speed-regulating controller, detection of engine flywheel rotating speed, and carry out rotating speed input to speed-regulating controller;
Electromagnetic actuator is installed on the injection pump of engine housing, is connected with speed-regulating controller, carries out the engine flywheel rotational speed regulation.
3. engine monitoring instrument as claimed in claim 2 is characterized in that: described speed-regulating controller comprises:
The rotational speed regulation circuit, it links to each other with electromagnetic actuator, drives the electromagnetic actuator action;
Be arranged on the speed feedback circuit between speed probe and the rotational speed regulation circuit;
Be connected to the power supply processing circuit of speed-regulating controller and electromagnetic actuator power supply with battery power.
4. engine monitoring instrument as claimed in claim 3 is characterized in that: described rotational speed regulation circuit is provided with idling/rated speed switch, and the rotating speed inching switch that links to each other with speed switch further can be set.
5. engine monitoring instrument as claimed in claim 3 is characterized in that: be provided with delay circuit between described speed switch and the rotational speed regulation circuit.
6. engine monitoring instrument as claimed in claim 3 is characterized in that: also be provided with disconnection protection circuit between described speed feedback circuit and the speed probe.
7. engine monitoring instrument as claimed in claim 3 is characterized in that: be provided with emergency stop button in the power supply processing circuit.
8. engine monitoring instrument as claimed in claim 3 is characterized in that: be provided with the motor oil mass between described rotational speed regulation circuit and the electromagnetic actuator and adjust circuit and oil mass position feedback circuit.
9. engine monitoring instrument as claimed in claim 2 is characterized in that: be provided with the sensor excitation power supply that links to each other with electromagnetic actuator in the described speed-regulating controller.
10. engine monitoring instrument as claimed in claim 2 is characterized in that: be provided with the state test button in the described speed-regulating controller.
11. engine monitoring instrument as claimed in claim 2 is characterized in that: described speed probe is a magnetoelectric tachometric transducer.
12. engine monitoring instrument as claimed in claim 1 is characterized in that: described sensor groups also comprises:
Cooling-water temperature sensor, it is installed on the fresh water line between engine cylinder head water outlet and the heat control valve, and cooling-water temperature sensor is connected with control box with the A/D change-over circuit by preamplifying circuit;
Oil temperature sensor, it is installed on engine sump tank oil sump place, and oil temperature sensor is connected with control box with the A/D change-over circuit by preamplifying circuit;
Oil pressure transmitter, it is installed in the main oil gallery position behind the engine motor oil filter, and oil pressure transmitter is connected with control box with the A/D change-over circuit by the I/V change-over circuit.
13. engine monitoring instrument as claimed in claim 12 is characterized in that: all adopt the belted type cable of double layer screen to be connected between described cooling-water temperature sensor, oil temperature sensor and oil pressure transmitter and the control box
14. engine monitoring instrument as claimed in claim 1 is characterized in that: described control box is provided with acoustic-optic alarm.
15. engine monitoring instrument as claimed in claim 1 is characterized in that: described control box is provided with output interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200761686U CN201096016Y (en) | 2007-11-14 | 2007-11-14 | Engines monitoring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200761686U CN201096016Y (en) | 2007-11-14 | 2007-11-14 | Engines monitoring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201096016Y true CN201096016Y (en) | 2008-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200761686U Expired - Fee Related CN201096016Y (en) | 2007-11-14 | 2007-11-14 | Engines monitoring instrument |
Country Status (1)
| Country | Link |
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| CN (1) | CN201096016Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102211648A (en) * | 2010-04-06 | 2011-10-12 | 无锡晶磊电子有限公司 | Electronic speed regulator for yacht |
| CN103912395A (en) * | 2014-04-10 | 2014-07-09 | 武汉船用机械有限责任公司 | Marine diesel engine rotation speed fine adjusting system and adjusting method thereof |
| CN104165092A (en) * | 2014-08-05 | 2014-11-26 | 中国北车集团大连机车车辆有限公司 | Stop protection circuit of diesel engine of diesel locomotive |
| CN106401746A (en) * | 2016-11-03 | 2017-02-15 | 福建龙马环卫装备股份有限公司 | Environmental sanitation sweeping vehicle assistant engine control and state display device and method |
| CN110044634A (en) * | 2019-04-01 | 2019-07-23 | 绵阳小巨人动力设备有限公司 | A kind of micro turbojet engine state and performance monitor apparatus |
| CN110219745A (en) * | 2019-06-05 | 2019-09-10 | 浙江斯塔克装备制造有限公司 | A kind of mining machinery intelligent controlling device |
-
2007
- 2007-11-14 CN CNU2007200761686U patent/CN201096016Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102211648A (en) * | 2010-04-06 | 2011-10-12 | 无锡晶磊电子有限公司 | Electronic speed regulator for yacht |
| CN102211648B (en) * | 2010-04-06 | 2015-11-25 | 无锡晶磊电子有限公司 | A kind of electronic speed governor of yacht |
| CN103912395A (en) * | 2014-04-10 | 2014-07-09 | 武汉船用机械有限责任公司 | Marine diesel engine rotation speed fine adjusting system and adjusting method thereof |
| CN103912395B (en) * | 2014-04-10 | 2016-08-17 | 武汉船用机械有限责任公司 | A kind of marine diesel rotating speed micro-tensioning system and method for adjustment thereof |
| CN104165092A (en) * | 2014-08-05 | 2014-11-26 | 中国北车集团大连机车车辆有限公司 | Stop protection circuit of diesel engine of diesel locomotive |
| CN106401746A (en) * | 2016-11-03 | 2017-02-15 | 福建龙马环卫装备股份有限公司 | Environmental sanitation sweeping vehicle assistant engine control and state display device and method |
| CN106401746B (en) * | 2016-11-03 | 2018-11-23 | 福建龙马环卫装备股份有限公司 | A kind of device and method of Environmental sanitation cleaning vehicle assistant engine control and status display |
| CN110044634A (en) * | 2019-04-01 | 2019-07-23 | 绵阳小巨人动力设备有限公司 | A kind of micro turbojet engine state and performance monitor apparatus |
| CN110219745A (en) * | 2019-06-05 | 2019-09-10 | 浙江斯塔克装备制造有限公司 | A kind of mining machinery intelligent controlling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shanghai Fortrust Power Electric Co., Ltd. Assignor: Shi Yuanqiang Contract fulfillment period: 2009.10.10 to 2014.10.9 Contract record no.: 2009310000284 Denomination of utility model: Novel dual fuel engine monitoring instrument Granted publication date: 20080806 License type: Exclusive license Record date: 20091030 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.10.10 TO 2014.10.9; CHANGE OF CONTRACT Name of requester: SHANGHAI FORTRUST POWER ELECTRIC CO., LTD. Effective date: 20091030 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080806 Termination date: 20151114 |
|
| EXPY | Termination of patent right or utility model |