CN216342457U - NT211 type diesel engine digit measurement and control display system - Google Patents
NT211 type diesel engine digit measurement and control display system Download PDFInfo
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- CN216342457U CN216342457U CN202123329311.7U CN202123329311U CN216342457U CN 216342457 U CN216342457 U CN 216342457U CN 202123329311 U CN202123329311 U CN 202123329311U CN 216342457 U CN216342457 U CN 216342457U
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Abstract
The utility model provides a digital measurement and control display system for an NT211 diesel engine, which comprises: the organism, the outside of organism is fixed with the mounting panel, and the upper end of mounting panel is fixed with measurement and control device, measurement and control device's upper end is provided with audible-visual annunciator, and measurement and control device's rear side is provided with the electron throttle interface, measurement and control device's lower extreme is provided with the guide arm, and the outside of guide arm is provided with the slider, the mounting groove has been seted up to the upper end of mounting panel, and the inside of mounting groove is provided with the blotter, measurement and control device's inside is provided with main control chip and driver chip. The utility model solves the problems that the existing NT211 type diesel engine cannot accurately acquire all parameters of the diesel engine through a digital measurement and control display system, and cannot realize the operations of alarming, stopping and controlling an accelerator, thereby achieving the effects of energy conservation and emission reduction.
Description
Technical Field
The utility model relates to the technical field of diesel engine supporting instruments, in particular to a digital measurement and control display system for an NT211 type diesel engine.
Background
Diesel engines are internal combustion engines fueled by diesel fuel. Diesel engines belong to the compression ignition type of engines, which are often also referred to as diesel engines under the name diesel, the main inventor. When the diesel engine works, air sucked into a cylinder of the diesel engine is compressed to a high degree due to the movement of a piston, and the high temperature of 500-700 ℃ is achieved. Then the fuel oil is sprayed into the high-temperature air in the form of fog, and mixed with the high-temperature air to form combustible mixed gas, and then the combustible mixed gas can be automatically ignited and combusted. The energy released during combustion acts on the top surface of the piston, pushing it and being converted into a rotary mechanical function by the connecting rod and crankshaft.
However, as the emission standard of the diesel engine is continuously improved, an electronic measurement and control system which can monitor the detailed working condition of the diesel engine, execute alarm and emergency brake, control the throttle of the diesel engine and adjust the rotating speed and the power output of the diesel engine becomes an urgent need.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, a digital measurement and control display system for the NT211 type diesel engine is provided so as to solve the problems that the conventional NT211 type diesel engine cannot accurately acquire parameters of the diesel engine through the digital measurement and control display system, cannot realize the operations of alarming, stopping and controlling an accelerator, and achieves the effects of energy conservation and emission reduction.
In order to achieve the above object, there is provided an NT211 type diesel engine digital measurement and control display system, comprising:
the organism, the outside of organism is fixed with the mounting panel, and the upper end of mounting panel is fixed with measurement and control device, measurement and control device's upper end is provided with audible-visual annunciator, and measurement and control device's rear side is provided with the electron throttle interface, measurement and control device's lower extreme is provided with the guide arm, and the outside of guide arm is provided with the slider, the mounting groove has been seted up to the upper end of mounting panel, and the inside of mounting groove is provided with the blotter, measurement and control device's inside is provided with main control chip and driver chip.
Furthermore, the lower end of the mounting groove is provided with a damping groove, the guide rod and the sliding block penetrate through the cushion pad and are inserted into the damping groove, and the bottom of the damping groove is provided with a spring.
Further, the lower extreme of mounting groove is provided with the spread groove, and spread groove and shock attenuation groove intercommunication to the internal diameter and the guide arm of spread groove match and are less than the shock attenuation groove.
Furthermore, the outer side of the measurement and control device is also provided with a display and a regulation and control knob, and the display is electrically connected with a common anode nixie tube arranged in the measurement and control device.
Furthermore, the main control chip is in communication connection with the driving chip, and the driving chip is electrically connected with the common anode nixie tube.
Furthermore, the inside digital-to-analog converter, the counter, the timer and the voltmeter that still are equipped with of measurement and control device, and measurement and control device still sets up including thermal resistance formula sensor, voltage output formula pressure sensor and magnetic resistance formula rotational speed sensor.
The NT211 diesel engine digital measurement and control display system has the advantages that the installation groove and the damping groove in the installation plate, the cushion pad in the installation groove and the spring in the damping groove are utilized, the guide rod and the slide block at the bottom of the measurement and control device are used, so that the measurement and control device has a certain damping function after being installed, and the influence of the running vibration of a machine body on electrical elements in the measurement and control device is reduced; the main control chip, the driving chip, the common anode nixie tube and the plurality of sensor elements in the measurement and control device are utilized, so that the measurement and control device obtains the operating state parameters of the diesel engine, the alarming and the stopping actions are accurate and reliable, the accelerator is controlled to act smoothly, and the effects of energy conservation and emission reduction are achieved.
Drawings
Fig. 1 is a schematic front view of the structure according to the embodiment of the present invention.
Fig. 2 is a schematic perspective view of a measurement and control device according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a location a in fig. 1 according to an embodiment of the present invention.
Fig. 4 is a schematic view of a working principle of the measurement and control device according to the embodiment of the present invention.
1. A body; 2. a measurement and control device; 3. mounting a plate; 4. an audible and visual alarm; 5. a display; 6. a guide bar; 7. a cushion pad; 8. a slider; 9. a spring; 10. a damping groove; 11. mounting grooves; 12. a common anode nixie tube; 13. a main control chip; 14. an electronic throttle interface; 15. and a driving chip.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The utility model is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.
Fig. 1 is a front view structural schematic diagram of an embodiment of the present invention, fig. 2 is a three-dimensional structural schematic diagram of a measurement and control device of an embodiment of the present invention, fig. 3 is a structural schematic diagram at a position a in fig. 1 of an embodiment of the present invention, and fig. 4 is a schematic diagram of an operating principle of the measurement and control device of an embodiment of the present invention.
Referring to fig. 1 to 4, the utility model provides a digital measurement and control display system for an NT211 type diesel engine, comprising: the device comprises a machine body 1 and a measurement and control device 2.
Specifically, the outside of organism 1 is fixed with mounting panel 3, and the upper end of mounting panel 3 is fixed with measurement and control device 2, measurement and control device 2's upper end is provided with audible-visual annunciator 4, and measurement and control device 2's rear side is provided with electronic throttle interface 14, measurement and control device 2's lower extreme is provided with guide arm 6, and guide arm 6's the outside is provided with slider 8, mounting groove 11 has been seted up to mounting panel 3's upper end, and mounting groove 11's inside is provided with blotter 7, measurement and control device 2's inside is provided with main control chip 13 and driver chip 15.
In this embodiment, the mounting plate 3 is fixed on the outer side of the machine body 1 through bolts, the mounting seat is arranged on the outer side of the mounting plate 3, and the measurement and control device 2 is fixed on the mounting seat in a damping manner.
In this embodiment, the main control chip 13 is provided with a general processor chip STM32F103C8T6 using an ideographic semiconductor, and the maximum operating frequency of the STM32F103C8T6 chip can reach 72MHz, and can support up to 16-channel signal acquisition, 2 IIC interfaces, up to 7 general timers, and the remaining 26 general input/output interfaces.
As a better implementation mode, the system of the measurement and control device 2 can judge the current load size according to the collected rotating speed value, rapidly adjust the voltage output to the electronic throttle, receive the voltage value output by the system through the electronic throttle interface 14, and adjust the throttle stroke according to the voltage value, so that the effects of a large-load large throttle and a small-load small throttle are achieved, the energy consumption is reduced, and the exhaust emission is improved.
The lower end of the mounting groove 11 is provided with a damping groove 10, the guide rod 6 and the slide block 8 are inserted into the damping groove 10 through the cushion pad 7, and the bottom of the damping groove 10 is provided with a spring 9; the lower extreme of mounting groove 11 is provided with the spread groove, and spread groove and damping groove 10 intercommunication to the internal diameter of spread groove matches with guide arm 6 and is less than damping groove 10.
As a preferred embodiment, the installation groove 11 and the damping groove 10, the cushion pad 7 in the installation groove 11 and the spring 9 in the damping groove 10 are utilized, and the guide rod 6 and the slide block 8 at the bottom of the measurement and control device 2 are utilized, so that the measurement and control device 2 has a certain damping function after being installed, and the influence of the running vibration of the machine body 1 on electrical elements in the measurement and control device 2 is reduced.
The outer side of the measurement and control device 2 is further provided with a display 5 and a regulation and control knob, and the display 5 is electrically connected with a common anode nixie tube 12 arranged inside the measurement and control device 2.
As a preferred embodiment, the measurement and control device 2 is provided with 6 sets of 0.56 inch red 4-bit common anode nixie tubes 12 for displaying the rotation speed (rpm ), the engine oil pressure, the engine oil temperature, the coolant temperature or water temperature, the accumulated usage time, and the power voltage of the diesel engine, respectively, wherein the 6 sets of nixie tubes are driven by TM1680 produced by 1 day microelectronics, and the TM680 is a driving chip 15 for memory exchange LED display control.
The main control chip 13 is in communication connection with the driving chip 15, and the driving chip 15 is electrically connected with the common anode nixie tube 12.
As a preferred embodiment, TM1680 communicates with the main control chip 13 through the IIC interface, and displays the corresponding number to the corresponding nixie tube according to the instruction request of the main control chip 13.
The inside of the measurement and control device 2 is also provided with a digital-to-analog converter, a counter, a timer and a voltmeter, and the measurement and control device 2 is also provided with a thermal resistance type sensor, a voltage output type pressure sensor and a magnetic resistance type rotating speed sensor.
Specifically, a thermal resistance sensor is adopted to measure the temperature of engine oil and the temperature of cooling liquid, the resistance value of the sensor changes linearly along with the temperature, a digital-to-analog converter of the system collects the change and sends the collected numerical value to a main control chip 13, the main control chip 13 processes the collected numerical value, then the actual temperature value is calculated, and the actual temperature value is sent to a TM1680 through an IIC bus to be displayed correspondingly;
a voltage output type pressure sensor is adopted to output 5V voltage to the sensor, the output voltage of the sensor and the measured pressure are in a direct proportion relation, and the output voltage of the sensor is collected by a digital-to-analog converter and is sent to a main control chip 13 for processing and displaying;
a magnetic resistance type rotating speed sensor is adopted, sine signals are output by the magnetic resistance type rotating speed sensor, the system firstly converts received sine signals into square wave pulse signals, the number of the square wave pulse signals is consistent with that of original sine signals, the square wave signals are abutted to a main control chip 13 and trigger a counter, the counter accumulates the total amount of pulses received within 1 second, and the current rotating speed value is calculated and displayed by combining the number of flywheel teeth of a diesel engine;
secondly, the measurement and control device 2 monitors the change of each parameter of the diesel engine during working in real time through the thermal resistance type sensor, and when the temperature exceeds an early warning value, audible and visual alarm information is sent out to warn an operator. When the rotating speed exceeds a set stop value, the audible and visual alarm 4 gives out audible and visual alarm and outputs a stop signal to the stop electromagnetic valve, and the stop electromagnetic valve can immediately cut off an oil way. When the engine oil pressure is lower than the set stop value, the system can give out sound and light alarm and stop to protect the diesel engine, the function is set in the system, and the parameter alarm or stop value can be adjusted by the user.
The digital measurement and control display system for the NT211 type diesel engine can effectively solve the problems that the existing NT211 type diesel engine cannot accurately acquire all parameters of the diesel engine through the digital measurement and control display system and cannot realize the operations of alarming, stopping and controlling an accelerator so as to achieve the effects of energy conservation and emission reduction; the main control chip, the driving chip, the common anode nixie tube and the plurality of sensor elements in the measurement and control device are utilized, so that the measurement and control device obtains the operating state parameters of the diesel engine, the alarming and the stopping actions are accurate and reliable, the accelerator is controlled to act smoothly, and the effects of energy conservation and emission reduction are achieved.
Claims (6)
1. The utility model provides a NT211 type diesel engine digit observes and controls display system which characterized in that includes: organism (1), the outside of organism (1) is fixed with mounting panel (3), and the upper end of mounting panel (3) is fixed with measurement and control device (2), the upper end of measurement and control device (2) is provided with audible-visual annunciator (4), and the rear side of measurement and control device (2) is provided with electronic throttle interface (14), the lower extreme of measurement and control device (2) is provided with guide arm (6), and the outside of guide arm (6) is provided with slider (8), mounting groove (11) have been seted up to the upper end of mounting panel (3), and the inside of mounting groove (11) is provided with blotter (7), the inside of measurement and control device (2) is provided with main control chip (13) and driver chip (15).
2. The NT211 diesel digital measurement and control display system according to claim 1, characterized in that the lower end of the mounting groove (11) is provided with a damping groove (10), the guide rod (6) and the slide block (8) are inserted into the damping groove (10) through the cushion pad (7), and a spring (9) is arranged at the bottom of the damping groove (10).
3. The NT211 diesel engine digital measurement and control display system according to claim 1, wherein the lower end of the mounting groove (11) is provided with a connecting groove which is communicated with the damping groove (10), and the inner diameter of the connecting groove is matched with the guide rod (6) and is smaller than the damping groove (10).
4. The NT211 diesel engine digital measurement and control display system according to claim 1, wherein a display (5) and a control knob are further arranged on the outer side of the measurement and control device (2), and the display (5) is electrically connected with a common anode nixie tube (12) arranged inside the measurement and control device (2).
5. The NT211 diesel digital measurement and control display system according to claim 1, wherein the main control chip (13) is communicatively connected with the driving chip (15), and the driving chip (15) is electrically connected with the common anode nixie tube (12).
6. The NT211 diesel engine digital measurement and control display system according to claim 1, wherein a digital-to-analog converter, a counter, a timer and a voltmeter are further arranged inside the measurement and control device (2), and the measurement and control device (2) is further provided with a thermal resistance type sensor, a voltage output type pressure sensor and a magnetic resistance type rotating speed sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123329311.7U CN216342457U (en) | 2021-12-28 | 2021-12-28 | NT211 type diesel engine digit measurement and control display system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123329311.7U CN216342457U (en) | 2021-12-28 | 2021-12-28 | NT211 type diesel engine digit measurement and control display system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216342457U true CN216342457U (en) | 2022-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123329311.7U Active CN216342457U (en) | 2021-12-28 | 2021-12-28 | NT211 type diesel engine digit measurement and control display system |
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| CN (1) | CN216342457U (en) |
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2021
- 2021-12-28 CN CN202123329311.7U patent/CN216342457U/en active Active
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