CN205689309U - A kind of snowplough electric spray control system - Google Patents
A kind of snowplough electric spray control system Download PDFInfo
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- CN205689309U CN205689309U CN201620616109.2U CN201620616109U CN205689309U CN 205689309 U CN205689309 U CN 205689309U CN 201620616109 U CN201620616109 U CN 201620616109U CN 205689309 U CN205689309 U CN 205689309U
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Abstract
The utility model discloses a kind of snowplough electric spray control system, comprise engine temperature sensing unit, atmosphere temperature transducer, barometric pressure sensor, spray bar pressure transducer, surface-mounted integrated circuit and ECU；Surface-mounted integrated circuit is electrically connected with the charge coil of electromotor, position ring, speed ring, engine temperature sensing unit, atmosphere temperature transducer, barometric pressure sensor, spray bar pressure transducer, ECU respectively.This utility model draws the pulse signal of the generation that bent axle rotates to ECU, ECU according to umber of pulse on charge coil, calculates speed of crankshaft, replaces special crankshaft position sensor；Utilize position ring and the speed ring of servomotor self simultaneously, measure throttle opening, replace traditional motor and TPS；Simple in construction, low cost, servo does not typically have losing step or crossing the phenomenon of punching of motor, and control performance is the most reliable.
Description
Technical field
This utility model relates to electronic fuel injection field, particularly relates to a kind of snowplough electric spray control system.
Background technology
At present, in electronic fuel injection technology is applied, crankshaft sensor and signal wheel for perception crank position and turn
Speed, air throttle is to control air to enter one controllable valve of electromotor, is believed by throttle sensor perception throttle opening
Number input ECU(electronic control unit), ECU according to engine workload situation, controls throttle opening, adjusts gaseous mixture
Amount.The snowplough electric spray control system installing crankshaft sensor and TPS is the most complicated, and cost is high.
Meanwhile, existing spray bar oil pressure cntrol is come by oil pump carry potential overflow valve or pressure transducer oil reflux line
Realizing, the oil pump structure of carry potential overflow valve is complicated, and the structure of band return line is the compactest, arranges pipeline difficulty, affects complete machine attractive in appearance.
Utility model content
Technical problem to be solved in the utility model is the deficiency existed for prior art, it is provided that a kind of non-air throttle
Position sensor, crankshaft position sensor, and without the snowplough electric spray control system of oil pump overflow valve and fuel circuit, zero
Part is few, and compact conformation, reliable working performance, control accuracy are high.
This utility model is for solving above-mentioned technical problem by the following technical solutions:
A kind of snowplough electric spray control system, the electromotor of described snowplough comprise charge coil, air throttle, fuel injector,
Fuel pump and accumulator, described air throttle is furnished with the servomotor of closed loop control, is provided with position ring and speed in described servomotor
Degree ring, electric spray control system comprises engine temperature sensing unit, atmosphere temperature transducer, barometric pressure sensor, spray bar pressure
Force transducer, surface-mounted integrated circuit and ECU；
Described surface-mounted integrated circuit is provided with the interface for receiving engine speed instruction；
Described surface-mounted integrated circuit respectively with the charge coil of electromotor, position ring, speed ring, engine temperature sensing unit,
Atmosphere temperature transducer, barometric pressure sensor, spray bar pressure transducer, ECU are electrically connected；
Described engine temperature sensing unit, atmosphere temperature transducer, barometric pressure sensor, spray bar pressure transducer divide
It is not used for obtaining engine temperature, atmospheric temperature, atmospheric pressure, spray bar pressure, and is passed to by surface-mounted integrated circuit described
ECU；
Described ECU comprises gasoline jet module, electronic speed regulation module, oil pump driving module, VRM Voltage Regulator Module and power supply
Management module, wherein:
Described gasoline jet module is used for calculating optimal distributive value, according to charge coil, position ring, speed ring, electromotor
Temperature sensor, atmosphere temperature transducer, barometric pressure sensor, the input signal of engine speed instruction, it is judged that self institute
The operating condition at place, calculates optimal distributive value, and sends it to fuel injector；
Described electronic speed regulation module is used for controlling constant engine speed；
Described oil pump drives module oil pressure in constant fuel injector oil circuit, defeated according to pressure sensor signal in oil circuit
Enter, calculate the fuel pump working time, and be sent to oil fuel feed pump；
Described VRM Voltage Regulator Module is for controlling the output voltage of charge coil；
Described power management module is for accumulator charging balance.
As this utility model one further prioritization scheme of snowplough electric spray control system, described surface-mounted integrated circuit is solid
Being connected in the bottom of engine's throttling valve body, blend compounds is packaged fixing seal.
As this utility model one further prioritization scheme of snowplough electric spray control system, inside described throttle valve body
Being provided with fuel path, described spray bar pressure transducer is connected on surface-mounted integrated circuit, and its end of probe stretches in fuel path.
As this utility model one further prioritization scheme of snowplough electric spray control system, described surface-mounted integrated circuit leads to
Cross CAN and be electrically connected.
This utility model uses above technical scheme compared with prior art, has following technical effect that
1. this utility model draws the pulse signal of the generation that bent axle rotates to ECU, ECU on existing charge coil
According to umber of pulse, calculate speed of crankshaft, replace special crankshaft position sensor, simple in construction, low cost；
2. this practicality is novel by setting air throttle servomotor initial position, the position of recycling servomotor self
Put ring and speed ring, measure throttle opening, replace traditional motor and TPS, simple in construction, become
This is low, and servo does not typically have losing step or crossing the phenomenon of punching of motor simultaneously, and control performance is the most reliable；
3. spray bar pressure transducer is integrated on surface-mounted integrated circuit, it is simple to installing, fuel injection pressure signal feeds back to ECU, ECU
Calculate working time or the dwell time of oil pump, be directly output to oil pump and perform, replace original oil pump overflow valve or oil return
Pipeline, simple in construction, low cost.
Accompanying drawing explanation
Fig. 1 is this utility model snowplough electric spray control system principle schematic；
Fig. 2 is this utility model surface-mounted integrated circuit and bundle assembly；
Fig. 3 becomes this utility model sensor IC plate scheme of installation.
1-charge coil, the pulse signal output end mouth that 2-charge coil is connected with ECU, 3-charge coil and accumulator
Connectivity port, 4-the first screw, 5-surface-mounted integrated circuit, 6-throttle valve body, 7-the second screw, 8-spray bar pressure transducer.
Detailed description of the invention
Below in conjunction with the accompanying drawings the technical solution of the utility model is described in further detail:
The utility model discloses a kind of snowplough electric spray control system, the electromotor of described snowplough comprises charging wire
Circle, air throttle, fuel injector, fuel pump and accumulator, described air throttle is furnished with the servomotor of closed loop control, described servomotor
Inside being provided with position ring and speed ring, electric spray control system comprises engine temperature sensing unit, atmosphere temperature transducer, atmospheric pressure
Sensor, spray bar pressure transducer, surface-mounted integrated circuit and ECU；
Described surface-mounted integrated circuit is provided with the interface for receiving engine speed instruction；
Described surface-mounted integrated circuit respectively with the charge coil of electromotor, position ring, speed ring, engine temperature sensing unit,
Atmosphere temperature transducer, barometric pressure sensor, spray bar pressure transducer, ECU are electrically connected；
Described engine temperature sensing unit, atmosphere temperature transducer, barometric pressure sensor, spray bar pressure transducer divide
It is not used for obtaining engine temperature, atmospheric temperature, atmospheric pressure, spray bar pressure, and is passed to by surface-mounted integrated circuit described
ECU；
Described ECU comprises gasoline jet module, electronic speed regulation module, oil pump driving module, VRM Voltage Regulator Module and power supply
Management module, wherein:
Described gasoline jet module is used for calculating optimal distributive value, according to charge coil, position ring, speed ring, electromotor
Temperature sensor, atmosphere temperature transducer, barometric pressure sensor, the input signal of engine speed instruction, it is judged that self institute
The operating condition at place, calculates optimal distributive value, and sends it to fuel injector；
Described electronic speed regulation module is used for controlling constant engine speed, such as, increase when snowplough load, speed of crankshaft
Declining, electronic speed regulation module accepts to receive speed of crankshaft dropping signal, and electronic speed regulation module sends increase throttle opening amount signal
To servomotor, extend fuel injector injection time, to improve engine crankshaft rotating speed；
Described oil pump drives module oil pressure in constant fuel injector oil circuit, defeated according to pressure sensor signal in oil circuit
Enter, calculate the fuel pump working time, and be sent to oil fuel feed pump；
Described VRM Voltage Regulator Module is for controlling the output voltage of charge coil, stable at about 8V；
Described power management module is for accumulator charging balance.
Have in power-supply management system two " enumerators ": a responsible accumulator charging；Another is responsible for accumulator and puts
Electricity.The charging and discharging state charge volume of accumulator represents with the difference of discharge capacity.Power management module is by importing accumulator
Sensor signal, calculates the charged state of current accumulator, and outputs signal to accumulator.
Snowplough work bent axle is rotated, is charged a battery by charge coil, and bent axle rotates a circle simultaneously, charge coil
The pulse signal producing fixed number calculates speed of crankshaft to ECU, ECU by pulse number.
Air throttle is furnished with the servomotor of closed loop control, and motor internal has position ring and speed ring, sets air throttle a certain
Position is as the initial position of servomotor, and the gasoline jet module in ECU arranges a corresponding signal, and air throttle revolves
Turn, by directly servo motor encoder feedback signal being sampled to servomotor ECU, calculate the aperture of air throttle, replace
For traditional TPS and motor.
Described surface-mounted integrated circuit is connected in the bottom of engine's throttling valve body by installing hole and screw, and blend compounds seals
Dress fixing seal, reduces sensor signal transmission connecting line length, in turn ensure that sensor signal is stable, not by greasy dirt, dust,
The impact of the poor environments such as vibration.
Owing to spray bar pressure transducer volume is little, it is difficult to install, spray bar pressure transducer is connected in integrated circuit
On plate, it is arranged on bottom throttle valve body, inside throttle valve body, is provided with fuel path, spray bar pressure sensor senses pressure signal
Inputing to ECU oil pump and drive module, oil pump drives module to calculate operation of oil pump or dwell time, exports oil-feed pump, it is ensured that spray
Fuel pressure substantially constant in oil pipe line.
Surface-mounted integrated circuit is connected with ECU by CAN.
As it is shown in figure 1, the core of snowplough electric injection system is the ECU of tape program memorizer, the built-in gasoline of ECU sprays
Module, electronic speed regulation module, oil pump drive module, VRM Voltage Regulator Module, power management module, according to the input signal of sensor
Calculate, then send the control signal of executor.
Air throttle servomotor servomotor, i.e. as throttle position perceptron, again as choke actuating unit, is watched
Take motor internal and have position ring and speed ring, when, under air throttle full closing state, arranging one initially to air throttle servomotor
Position, the home signal in corresponding ECU program, servomotor drives air throttle to rotate, and servo motor encoder is directly fed back by ECU
Signal is sampled, it is thus achieved that throttle opening amount signal, and the operating in conjunction with electromotor is dynamic, and ECU provides pwm signal, controls solar term
Door servomotor rotates, thus realizes the accurate control to throttle opening size.
Electromotor also comprises malfunction indicator lamp, and the modules in ECU, if it find that fault, equal output error code, makes
Obtain the malfunction indicator lamp work of electromotor.
As in figure 2 it is shown, be the charge coil of snowplough electromotor, charge coil be provided with the connectivity port with accumulator and
The pulse signal output end mouth being connected with ECU.Bent axle rotates, and charge coil manages module to accumulator by ECU built-in power
Charging, bent axle rotates a circle simultaneously, and charge coil sends 8 pulse signals to ECU, calculates bent axle according to number of pulses and turns
Speed.
As it is shown on figure 3, spray bar pressure transducer is connected on surface-mounted integrated circuit by the second screw, surface-mounted integrated circuit leads to
Crossing the first screw and be connected in bottom throttle valve body, blend compounds is packaged fixing seal.Spray bar pressure sensor senses throttles
Pressure signal in valve body injection tubing, and pass to the oil pump driving module of ECU, oil pump drives module to calculate fuel pump work
Making or dwell time, output pwm signal oil fuel feed pump performs.
It is understood that unless otherwise defined, all terms used herein (include skill to those skilled in the art of the present technique
Art term and scientific terminology) have with the those of ordinary skill in this utility model art be commonly understood by identical meaning
Justice.Should also be understood that those terms defined in such as general dictionary should be understood that have with prior art upper
The meaning that meaning hereinafter is consistent, and unless defined as here, will not come by idealization or the most formal implication
Explain.
Above-described detailed description of the invention, is entered the purpose of this utility model, technical scheme and beneficial effect
One step describes in detail, be it should be understood that and the foregoing is only detailed description of the invention of the present utility model, is not used to limit
This utility model processed, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. done, all
Within protection domain of the present utility model should be included in.
Claims (4)
1. a snowplough electric spray control system, the electromotor of described snowplough comprises charge coil, air throttle, fuel injector, combustion
Oil pump and accumulator, described air throttle is furnished with the servomotor of closed loop control, is provided with position ring and speed in described servomotor
Ring, it is characterised in that electric spray control system comprise engine temperature sensing unit, atmosphere temperature transducer, barometric pressure sensor,
Spray bar pressure transducer, surface-mounted integrated circuit and ECU；
Described surface-mounted integrated circuit is provided with the interface for receiving engine speed instruction；
Described surface-mounted integrated circuit respectively with the charge coil of electromotor, position ring, speed ring, engine temperature sensing unit, air
Temperature sensor, barometric pressure sensor, spray bar pressure transducer, ECU are electrically connected；
Described engine temperature sensing unit, atmosphere temperature transducer, barometric pressure sensor, spray bar pressure transducer are used respectively
In obtaining engine temperature, atmospheric temperature, atmospheric pressure, spray bar pressure, and pass to described ECU by surface-mounted integrated circuit；
Described ECU comprises gasoline jet module, electronic speed regulation module, oil pump driving module, VRM Voltage Regulator Module and power management
Module, wherein:
Described gasoline jet module is used for calculating optimal distributive value, according to charge coil, position ring, speed ring, engine temperature
The input signal of sensor, atmosphere temperature transducer, barometric pressure sensor, engine speed instruction, it is judged that self is residing
Operating condition, calculates optimal distributive value, and sends it to fuel injector；
Described electronic speed regulation module is used for controlling constant engine speed；
Described oil pump drives module oil pressure in constant fuel injector oil circuit, inputs according to pressure sensor signal in oil circuit,
Calculate the fuel pump working time, and be sent to oil fuel feed pump；
Described VRM Voltage Regulator Module is for controlling the output voltage of charge coil；
Described power management module is for accumulator charging balance.
Snowplough electric spray control system the most according to claim 1, it is characterised in that described surface-mounted integrated circuit is connected in be sent out
The bottom of motivation throttle valve body, blend compounds is packaged fixing seal.
Snowplough electric spray control system the most according to claim 2, it is characterised in that be provided with combustion inside described throttle valve body
Oil oil circuit, described spray bar pressure transducer is connected on surface-mounted integrated circuit, and its end of probe stretches in fuel path.
Snowplough electric spray control system the most according to claim 1, it is characterised in that described surface-mounted integrated circuit passes through CAN
Bus is connected with ECU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620616109.2U CN205689309U (en) | 2016-06-22 | 2016-06-22 | A kind of snowplough electric spray control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620616109.2U CN205689309U (en) | 2016-06-22 | 2016-06-22 | A kind of snowplough electric spray control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205689309U true CN205689309U (en) | 2016-11-16 |
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ID=57415530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620616109.2U Active CN205689309U (en) | 2016-06-22 | 2016-06-22 | A kind of snowplough electric spray control system |
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| CN (1) | CN205689309U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105888866A (en) * | 2016-06-22 | 2016-08-24 | 江苏里斯特通用机械制造有限公司 | Electronic injection control system for snow sweeper |
-
2016
- 2016-06-22 CN CN201620616109.2U patent/CN205689309U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105888866A (en) * | 2016-06-22 | 2016-08-24 | 江苏里斯特通用机械制造有限公司 | Electronic injection control system for snow sweeper |
| CN105888866B (en) * | 2016-06-22 | 2018-07-17 | 江苏里斯特通用机械制造有限公司 | A kind of snowplough electric spray control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201203 Address after: The new road 224003 in Jiangsu Province, Yancheng City Salt Lake Pavilion Xinyang Economic Zone 5 Patentee after: JIANGSU LISTER UTILITY ENGINE MANUFACTURING Co.,Ltd. Patentee after: YANCHENG POWERFUL MACHINERY & ELECTRONICS TECHNOLOGY DEVELOPING Co.,Ltd. Address before: The new road 224003 in Jiangsu Province, Yancheng City Salt Lake Pavilion Xinyang Economic Zone 5 Patentee before: JIANGSU LISTER UTILITY ENGINE MANUFACTURING Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210220 Address after: The new road 224003 in Jiangsu Province, Yancheng City Salt Lake Pavilion Xinyang Economic Zone 5 Patentee after: JIANGSU LISTER UTILITY ENGINE MANUFACTURING Co.,Ltd. Address before: The new road 224003 in Jiangsu Province, Yancheng City Salt Lake Pavilion Xinyang Economic Zone 5 Patentee before: JIANGSU LISTER UTILITY ENGINE MANUFACTURING Co.,Ltd. Patentee before: YANCHENG POWERFUL MACHINERY & ELECTRONICS TECHNOLOGY DEVELOPING Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210714 Address after: 224003 No.5, Xinyan Road, Xinyang Economic Zone, Yancheng City, Jiangsu Province Patentee after: JIANGSU LISTER UTILITY ENGINE MANUFACTURING Co.,Ltd. Patentee after: Liquid combustion technology Co.,Ltd. Address before: The new road 224003 in Jiangsu Province, Yancheng City Salt Lake Pavilion Xinyang Economic Zone 5 Patentee before: JIANGSU LISTER UTILITY ENGINE MANUFACTURING Co.,Ltd. |