CN2929687Y - Intelligent engineering machinery electronic monitor - Google Patents

Abstract

electronic monitoring apparatus for engineering machinery comprises a personal computer, a large scale integrated circuit, a liquid crystal display screen, co-operated with a responding support circuit, and further co-operated with presetting alarm parameters. The electronic monitoring apparatus is a combined apparatus comprising a liquid crystal display screen, a timing module, a tachometer module and a feather-touch key, wherein the voltage of the apparatus power source is transformed into stable voltage for the current supply of the whole system after the voltage reduced by the power source module. The analog quantity can be input to an analog/digital transducer through an analog electronic switch and the analog quantity with variable resistance is transformed into digital quantity with variable frequency. The cooling water temperature and the real-time measured value of the fuel level can be time-sharingly displayed after calculated by the personal computer, and the transfinite audible-visible alarm can be realized through the presetting alarm value of the personal computer. The rotary speed signal and the autothrottle control signal can be automatically controlled after calculated by the personal computer. The utility model has a novel structure, a high integrated level and a high reliability, adopts injection moulding type plastic casing and multi-power source input, thereby has a wide-extent of operation temperature and can be widely applied in the engineering machinery such as digging machine, or the like.

Description

Intelligent engineering mechano-electronic monitor

Technical field:

The utility model relates to instrument, relates in particular to intelligent engineering mechano-electronic monitor.

Background technology:

Engineering mechanical device adopts electromagnetic type, step motor type machinery instrument in the prior art, temperature, pressure, the liquid level of indication engine and hydraulic system, its structure is divided into coil and stepper motor, rely on the variation of coil current and stepper motor, the drive pointer shows, the physical construction mode, shock resistance is poor, and is fragile.

The utility model content:

The purpose of the utility model intelligent engineering mechano-electronic monitor, be to overcome above-mentioned defective and the intelligent combination instrument of a kind of engineering mechanical device that designs, it is to utilize single-chip microcomputer and large scale integrated circuit, supporting with auxiliary circuit, driven for emitting lights diode and liquid crystal display, the real-time detected value of the parameters of indication engine and hydraulic system, and be equipped with and pre-set alarm parameters, transfinite and report to the police automatically, failure code shows and storage automatically.Be widely used in engineering mechanical devices such as excavator, dozer.

Intelligent engineering mechano-electronic monitor described in the utility model with single-chip microcomputer and large scale integrated circuit and LCDs, cooperates corresponding auxiliary circuit, and is equipped with and pre-sets alarm parameters and form.The utility model is specifically realized by the following technical solutions, it is by LCD, timer module, tachometer gage module and touches the combination instrument that button constitutes, instrument power becomes stable+5V voltage after power module IC201 (model 24S05) step-down, be the whole system power supply.2 tunnel analog quantitys inputs (coolant water temperature and fuel liquid level) are sent into A/D converter IC203 (model LM331) through simulant electronic switch IC202 (model 4066), the analog quantity of resistance variations are converted to the digital quantity of frequency change.After IC204 (model LM3914N) frequency compensation, send into single-chip microcomputer IC101 (model 89C52, IO mouth P2.0～P2.7 89C2051), after the single-chip microcomputer inside programming is calculated, export by serial port INT1/INT0, send into extensive 32 * 4 sections liquid crystal driver IC301 (model HT1621B), handle through liquid crystal driver IC301 (model HT1621B), send into liquid crystal display IC302 (LH-LCD), timesharing shows the real-time measurement values of coolant water temperature and fuel liquid level, by the default alarming value of single-chip microcomputer, adopt the mode of the addressing of tabling look-up, realize transfiniting sound and light alarm.Switching value adopts IC401 (model 4N25) photoelectric coupler isolation, through inverter ic 402 (model 74F04), send into eight bit serial and go into/walk abreast Output Shift Register IC403 (model 74LS164), be converted into serial signal by parallel signal, send into single-chip microcomputer IC101 (model 89C52, IO mouth P0.0～P0.2 89C2051), handle through the single-chip microcomputer inside programming, each way switch amount is detected in real time, to the detected value that transfinites, export by serial port INT1/INT0, send into extensive 32 * 4 sections liquid crystal driver IC301 (model HT1621B), handle, send into liquid crystal display IC302 (LH-LCD) through liquid crystal driver IC301 (model HT1621B), the real-time detected value of timesharing display switch amount, and realize overload alarm.Tach signal is by speed probe, and through photoelectrical coupler IC404, (model 89C52 89C2051), after the single-chip microcomputer inside programming is calculated, by the output of IO mouth, sends into rotating speed display module IC303 (model LCD0408D) and shows to send into single-chip microcomputer IC101.The auto-throttle control signal, after double D trigger IC501 (model 4013) handles, send into single-chip microcomputer IC101 (model 89C52, IO mouth 89C2051), after the single-chip microcomputer inside programming is calculated, the table look-up mode of addressing of employing outputs to the engine oil door controller, realizes the automatic control of engine throttle.Touch-switch (S1～S5), the duty of the required electrical appliance of control engineering machinery, when button (after S1～S5) presses, become low level and send into single-chip microcomputer IC101 (model 89C52, IO mouth 89C2051), single-chip microcomputer adopt scan mode, detect the button (state of S1～S5), according to corresponding button, control corresponding electrical appliance respectively.Timing signal is by single-chip microcomputer IC101 (model 89C52,89C2051) detect generator charging signal and engine oil pressure signal, trigger with multichannel, realize the anti-theft feature of timing signal, work as generator for electricity generation, or engine oil pressure promptly is considered as engine and starts working when setting up, at this moment, stopwatch module I C304 (model 17075112) timing of starting working.The demonstration of failure code and storage, when reporting to the police appears in any one road detection limit, handle through single-chip microcomputer IC101, with corresponding fault, in the mode of code, by the IO mouth, output to rotating speed display IC303 (model LCD0408D), show failure code, the operator is by the inquiry service manual, understand the implication of code, carry out relevant treatment.Failure code by the IO mouth, outputs to memory IC 501 (model X25045) after handling by single-chip microcomputer IC101 simultaneously, stores, and when equipment is safeguarded, calls inspection.LCD IC302 (LH-LCD) adopts and carries back lighting, and the special module that gray scale is adjustable provides polarization signal by IC502 (model 4054), realizes that gray scale is adjustable.With IC503 (model NE555), the square-wave signal that output duty cycle is identical is for LCD IC302 provides com signal.

Intelligent engineering mechano-electronic monitor described in the utility model, it is with single-chip microcomputer and large scale integrated circuit, cooperate corresponding auxiliary circuit, realize the real-time detected value of light emitting diode and liquid crystal indication engineering machinery engine and hydraulic control system parameters, and be equipped with and pre-set alarm parameters, transfinite and report to the police automatically, failure code shows and storage, the utility model novel structure automatically, highly integrated, the jumbotron liquid crystal display, indication is accurate, the reliability height, adopt the injection plastic shell, the input of multiple power supply, operating temperature range is wide, is widely used on the engineering mechanical device such as excavator.

Description of drawings:

Accompanying drawing 1 is an intelligent engineering mechano-electronic monitor panel layout described in the utility model; Accompanying drawing 2 is circuit diagrams of intelligent engineering mechano-electronic monitor described in the utility model.1-LCD 2-timer module 3-tachometer gage module 4-touches button

Embodiment:

Referring now to accompanying drawing 1 and accompanying drawing 2, in conjunction with the embodiments intelligent engineering mechano-electronic monitor described in the utility model is described in further detail.With reference to accompanying drawing 1 and accompanying drawing 2, said intelligent engineering mechano-electronic monitor is by LCD 1, timer module 2, tachometer gage module 3 and touches the combination instrument that button 4 constitutes that timer module 2 is connected with stopwatch, and is shown by stopwatch.Tachometer gage module 3 is connected with tachometer gage, also is to be shown by tachometer gage.LCD 1 is arranged on the above the fold of instrument face plate, is provided with timer module 2 below LCD 1, intuitively shows stopwatch.What be set up in parallel with the timer module is tachometer gage module 3, and directly perceived what show is tachometer gage.Be provided with in the bottom of instrument face plate and touch button 4.Instrument power becomes stable+5V voltage after power module IC201 (model 24S05) step-down, be the whole system power supply.2 tunnel analog quantitys inputs (coolant water temperature and fuel liquid level) are sent into A/D converter IC203 (model LM331) through simulant electronic switch IC202 (model 4066), the analog quantity of resistance friendshipization are converted to the digital quantity of frequency change.After IC204 (model LM3914N) frequency compensation, send into single-chip microcomputer IC101 (model 89C52, IO mouth P2.0～P2.7 89C2051), after the single-chip microcomputer inside programming is calculated, export by serial port INT1/INT0, send into extensive 32 * 4 sections liquid crystal driver IC301 (model HT1621B), handle through liquid crystal driver IC301 (model HT1621B), send into liquid crystal display IC302 (LH-LCD), timesharing shows the real-time measurement values of coolant water temperature and fuel liquid level, by the default alarming value of single-chip microcomputer, adopt the mode of the addressing of tabling look-up, realize transfiniting sound and light alarm.Switching value adopts IC401 (model 4N25) photoelectric coupler isolation, through inverter ic 402 (model 74F04), send into eight bit serial and go into/walk abreast Output Shift Register IC403 (model 74LS164), be converted into serial signal by parallel signal, send into single-chip microcomputer IC101 (model 89C52, IO mouth P0.0～P0.2 89C2051), handle through the single-chip microcomputer inside programming, each way switch amount is detected in real time, to the detected value that transfinites, export by serial port INT1/INT0, send into extensive 32 * 4 sections liquid crystal driver IC301 (model HT1621B), handle, send into liquid crystal display IC302 (LH-LCD) through liquid crystal driver IC301 (model HT1621B), the real-time detected value of timesharing display switch amount, and realize overload alarm.Tach signal is by speed probe, and through photoelectrical coupler IC404, (model 89C52 89C2051), after the single-chip microcomputer inside programming is calculated, by the output of IO mouth, sends into rotating speed display module IC303 (model LCD0408D) and shows to send into single-chip microcomputer IC101.The auto-throttle control signal, after double D trigger IC501 (model 4013) handles, send into single-chip microcomputer IC101 (model 89C52, IO mouth 89C2051), after the single-chip microcomputer inside programming is calculated, the table look-up mode of addressing of employing outputs to the engine oil door controller, realizes the automatic control of engine throttle.Touch-switch (S1～S5), the duty of the required electrical appliance of control engineering machinery, when button (after S1～S5) presses, become low level and send into single-chip microcomputer IC101 (model 89C52, IO mouth 89C2051), single-chip microcomputer adopt scan mode, detect the button (state of S1～S5), according to corresponding button, control corresponding electrical appliance respectively.Timing signal is by single-chip microcomputer IC101 (model 89C52,89C2051) detect generator charging signal and engine oil pressure signal, trigger with multichannel, realize the anti-theft feature of timing signal, work as generator for electricity generation, or engine oil pressure promptly is considered as engine and starts working when setting up, at this moment, stopwatch module I C304 (model 17075112) timing of starting working.The demonstration of failure code and storage, when reporting to the police appears in any one road detection limit, handle through single-chip microcomputer IC101, with corresponding fault, in the mode of code, by the IO mouth, output to rotating speed display IC303 (model LCD0408D), show failure code, the operator is by the inquiry service manual, understand the implication of code, carry out relevant treatment.Failure code by the IO mouth, outputs to memory IC 501 (model X25045) after handling by single-chip microcomputer IC101 simultaneously, stores, and when equipment is safeguarded, calls inspection.LCD IC302 (LH-LCD) adopts and carries back lighting, and the special module that gray scale is adjustable provides polarization signal by IC502 (model 4054), realizes that gray scale is adjustable.With IC503 (model NE555), the square-wave signal that output duty cycle is identical is for LCD IC302 provides com signal.Instrument is square or the palm-type combination instrument, the panel board structure, and the 1st, LCD, the 2nd, the timer module, the 3rd, the tachometer gage module, the 4th, touch button.

Intelligent engineering mechano-electronic monitor described in the utility model can also further specify as follows with reference to embodiment two.It is by LCD 1, timer module 2, tachometer gage module 3 and touches the combination instrument that button 4 constitutes that instrument power becomes stable+5V voltage after power module IC201 (model 24S05) step-down, be the whole system power supply.2 tunnel analog quantitys inputs (coolant water temperature and fuel liquid level) are sent into A/D converter IC203 (model LM331) through simulant electronic switch IC202 (model 4066), the analog quantity of resistance variations are converted to the digital quantity of frequency friendshipization.After IC204 (model LM3914N) frequency compensation, send into single-chip microcomputer IC101 (model 89C52, IO mouth P2.0～P2.7 89C2051), after the single-chip microcomputer inside programming is calculated, export by serial port INT1/INT0, send into extensive 32 * 4 sections liquid crystal driver IC301 (model HT1621B), handle through liquid crystal driver IC301 (model HT1621B), send into liquid crystal display IC302 (LH-LCD), timesharing shows the real-time measurement values of coolant water temperature and fuel liquid level, by the default alarming value of single-chip microcomputer, adopt the mode of the addressing of tabling look-up, realize transfiniting sound and light alarm.Switching value adopts IC401 (model 4N25) photoelectric coupler isolation, through inverter ic 402 (model 74F04), send into eight bit serial and go into/walk abreast Output Shift Register IC403 (model 74LS164), be converted into serial signal by parallel signal, send into single-chip microcomputer IC101 (model 89C52, IO mouth P0.0～P0.2 89C2051), handle through the single-chip microcomputer inside programming, each way switch amount is detected in real time, to the detected value that transfinites, export by serial port INT1/INT0, send into extensive 32 * 4 sections liquid crystal driver IC301 (model HT1621B), handle, send into liquid crystal display IC302 (LH-LCD) through liquid crystal driver IC301 (model HT1621B), the real-time detected value of timesharing display switch amount, and realize overload alarm.Tach signal is by speed probe, and through photoelectrical coupler IC404, (model 89C52 89C2051), after the single-chip microcomputer inside programming is calculated, by the output of IO mouth, sends into rotating speed display module IC303 (model LCD0408D) and shows to send into single-chip microcomputer IC101.The auto-throttle control signal, after double D trigger IC501 (model 4013) handles, send into single-chip microcomputer IC101 (model 89C52, IO mouth 89C2051), after the single-chip microcomputer inside programming is calculated, the table look-up mode of addressing of employing outputs to the engine oil door controller, realizes the automatic control of engine throttle.Touch-switch (S1～S5), the duty of the required electrical appliance of control engineering machinery, when button (after S1～S5) presses, become low level and send into single-chip microcomputer IC101 (model 89C52, IO mouth 89C2051), single-chip microcomputer adopt scan mode, detect the button (state of S1～S5), according to corresponding button, control corresponding electrical appliance respectively.Timing signal is by single-chip microcomputer IC101 (model 89C52,89C2051) detect generator charging signal and engine oil pressure signal, trigger with multichannel, realize the anti-theft feature of timing signal, work as generator for electricity generation, or engine oil pressure promptly is considered as engine and starts working when setting up, at this moment, stopwatch module I C304 (model 17075112) timing of starting working.The demonstration of failure code and storage, when reporting to the police appears in any one road detection limit, handle through single-chip microcomputer IC101, with corresponding fault, in the mode of code, by the IO mouth, output to rotating speed display IC303 (model LCD0408D), show failure code, the operator is by the inquiry service manual, understand the implication of code, carry out relevant treatment.Failure code by the IO mouth, outputs to memory IC 501 (model X25045) after handling by single-chip microcomputer IC101 simultaneously, stores, and when equipment is safeguarded, calls inspection.LCD IC302 (LH-LCD) adopts and carries back lighting, and the special module that gray scale is adjustable provides polarization signal by IC502 (model 4054), realizes that gray scale is adjustable.With IC503 (model NE555), the square-wave signal that output duty cycle is identical is for LCD IC302 provides com signal.Instrument is square or the palm-type combination instrument, the panel board structure, and the 1st, LCD, the 2nd, the timer module, the 3rd, the tachometer gage module, the 4th, touch button.

Claims (1)

1, a kind of intelligent engineering mechano-electronic monitor, it is characterized in that with single-chip microcomputer and large scale integrated circuit and LCDs, cooperate auxiliary circuit, and be equipped with and pre-set alarm parameters and form, LCD (1) is arranged on the instrument face plate, below LCD (1), be provided with timer module (2), intuitively show stopwatch, what be set up in parallel with the timer module is tachometer gage module (3), what intuitively show is tachometer gage, be provided with in the bottom of instrument face plate and touch button (4), tachometer gage module (3) is connected with tachometer gage, is shown by tachometer gage.

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