CN108525894A - A kind of flow ejection control device and method - Google Patents
A kind of flow ejection control device and method Download PDFInfo
- Publication number
- CN108525894A CN108525894A CN201711117065.4A CN201711117065A CN108525894A CN 108525894 A CN108525894 A CN 108525894A CN 201711117065 A CN201711117065 A CN 201711117065A CN 108525894 A CN108525894 A CN 108525894A
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- CN
- China
- Prior art keywords
- control
- flow
- solenoid valve
- time
- injection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
- B05B12/081—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to the weight of a reservoir or container for liquid or other fluent material; responsive to level or volume of liquid or other fluent material in a reservoir or container
Abstract
The present invention provides a kind of flow ejection control device and method, realizes that the high-precision of injection flow and automation are adjusted, and consider influence of the environment temperature to injection dosage, can realize the high-precision flow injection control under different scenes.Control of the device of the invention based on chip microcontroller to solenoid valve, empirical data in control panel, according to the time used in the case of varying environment temperature computation this dosage difference nozzle, it is opened and closed to control solenoid valve to control dosage by the time, the accuracy and the degree of automation for improving flow injection, can realize the high-precision flow injection control under different scenes.According to the time used in the case of varying environment temperature computation this dosage difference nozzle, it is opened and closed to control high-pressure solenoid valve to control dosage by the time, influence of the environment temperature to injection dosage is considered, realizes the high-precision flow injection control under different temperatures scene.
Description
Technical field
The present invention relates to flow control technique fields, and in particular to a kind of flow ejection control device and method.
Background technology
Existing flow injection apparatus mostly uses greatly electromagnet and generates thrust to control solenoid valve, when thrust changes
When, the variation of flow can not be followed rapidly, not high enough to the control accuracy of flow emitted dose, and the utilization rate of the energy
It is low.Existing electric-controlling injection system can be adjusted in real time, and realization is precisely controlled.But the accuracy of current electric-controlling injection system and from
Dynamicization degree is not high, and different injection demands needs to carry out electric-controlling injection system cumbersome adjustment, it is difficult to realize different scenes
Flow injection quickly control.
In addition, existing flow injection apparatus does not account for the influence of environment temperature, when the volume of temperature convection body influences
When bigger, the precision of flow control substantially reduces.
Invention content
In view of this, the present invention provides a kind of flow ejection control device and method, the high-precision of injection flow is realized
And automation is adjusted, and influence of the environment temperature to injection dosage is considered, it can realize the high-precision stream under different scenes
Measure injection control.
A kind of flow ejection control device of the present invention, which is characterized in that including input module, solenoid valve and microcontroller
Control panel；Peripheral equipment is flow box and nozzle；
Wherein, flow box is separately mounted to the both ends of solenoid valve with nozzle, and singlechip control panel is connected with solenoid valve, controls
The break-make of solenoid valve；
The preset flow value that the input module is used to input to singlechip control panel；
Singlechip control panel includes data acquisition module, data memory module, time calculating unit and control switching molding
Block；
Wherein, data acquisition module is for acquiring environment temperature；
It is bent that data memory module is stored with varying environment temperature, flow value and the corresponding control time data of nozzle information
Line；
The time calculating unit is based on control time data and curves, according to the environment temperature of acquisition, the default stream of input
Magnitude and nozzle information obtain corresponding control time；
The control switch module controls the break-make of solenoid valve, completion pair according to the control time that time calculating unit obtains
The control of injection flow.
Wherein, the solenoid valve connects flow box and nozzle by quick-release connector.
Preferably, described device further includes display screen, display screen is connect with singlechip control panel, the spray of display screen real-time display
Amount of jet and preset flow.
Using the flow ejection control method of inventive flow ejection control device, include the following steps：
Step 1, bleed type is selected, flow box is connect with nozzle by solenoid valve；
Step 2, pass through input module input nozzle type and preset injection dosage；
Step 3, it calculates and obtains the corresponding solenoid valve control time；
Step 4, control switch module control solenoid valve is opened, and after reaching control time, control solenoid valve is closed, and injection stops
Only.
Advantageous effect：
Control of the device of the invention based on chip microcontroller to solenoid valve, the empirical data in control panel, according to not
Calculate the time used in the case of this dosage difference nozzle with environment temperature, by the time come control solenoid valve open and close to
Dosage is controlled, the accuracy and the degree of automation of flow injection are improved, can realize the high-precision flow spray under different scenes
Penetrate control.
According to the time used in the case of varying environment temperature computation this dosage difference nozzle, high-voltage electricity is controlled by the time
Magnet valve opens and closes to control dosage, it is contemplated that influence of the environment temperature to injection dosage is realized under different temperatures scene
High-precision flow injection control.
A kind of control method of flow ejection control device is opened and closed to control solenoid valve to control by the time
Dosage can be adjusted in real time, realize being precisely controlled for injection flow.
Description of the drawings
Fig. 1 is inventive flow ejection control device overall schematic；
Fig. 2 is inventive flow ejection control device control flow chart.
Specific implementation mode
The present invention will now be described in detail with reference to the accompanying drawings and examples.
A kind of flow ejection control device of the present invention is as shown in Figure 1, including quick-release connector (public affairs) 1, display screen 2, operation
Interface 3, control button 4, power switch 5, quick-release connector (mother) 6, control device body 7, singlechip control panel 8 and battery 9.
Quick-release connector (male) 1 is used cooperatively with quick-release connector (mother) 6, is separately connected flow box and nozzle, realizes flow box
With the quick-replaceable of nozzle；Quick-release connector (male) 1 is located at 7 both ends of control device body with quick-release connector (mother) 6；
2 real-time display injection flow of display screen and preset flow.
Operate interface 3 is the operate interface of manually opened solenoid valve；
Control button 4 is used to input the concrete numerical value of emitted dose；
Power switch 5 is used to control the break-make of entire flow ejection control device power supply；
Control device body 7 is for encapsulating solenoid valve, singlechip control panel 8 and battery 9；
Singlechip control panel 8 includes power circuit block, control switch module and data acquisition and memory module.
Wherein, power circuit block is for realizing outer to control switch module, data acquisition and memory module and output
If the function with input peripheral power supply, decompression and voltage stabilizing.The difference needed for singlechip control panel 8 is adjusted out in power circuit block
Voltage helps through 8 function of singlechip control panel；Power circuit block mainly controls the voltage stability of control box entirety
System improves the reliability and stability of singlechip control panel 8.Power circuit block includes transformation component and interlock circuit, is led to
Transformation of the transformation component realization to supply voltage is crossed, to be powered to singlechip control panel 8 and display screen 2.Transformation
Component mainly uses TS7809 type elements, and 24VDC, which is converted into 5VDC, completes first step decompression and filtering voltage regulation, and uses
AMS types element and interlock circuit complete the conversion of 9VDC to 3.3VDC.
Battery 9 provides DC power supply for the power circuit block into singlechip control panel 8, battery 9 in the present embodiment
For 24VDC DC power supplies.Furthermore it is possible to charge to battery 9 using battery charger, JDM-VD168A types are selected in the present embodiment
100~240V of input voltage, maximum power 60W, maximum current 2.0A, delivery efficiency >=85%, product size 100 × 76 × 47
Lithium battery charger to battery 9 charge.JDM-VD168A type lithium battery chargers use HF switch and CPU control technologies,
The charging current and output voltage that charger can be accurately controlled, to ensure that charging degree is high, anti-interference is good, and ripple noise is small,
Charge efficiency is high, and safety is good, has electricity, crossing current charging and constant-voltage charge.And there is automated intelligent protection facility, there is output
Short circuit, battery polar reverse connecting protection and automatic shutoff protective functions.
It includes control module and switch module to control switch module.Control module is mainly by 51 microcontrollers and interlock circuit group
At for storing control program, processing input and output and sending out instruction.Switch module uses optocoupler-field-effect tube circuit, root
The break-make that related circuit is controlled according to the control instruction of microcontroller, completes the switch motion of solenoid valve.In addition, the control of the present invention is opened
Close module circuit take up space it is small, reflect speed faster, and performance influenced by environmental factor it is smaller.
51 microcontrollers of control module are 310 type microcontrollers, the mixing that 310 type microcontrollers are completely integrated in the present embodiment
Some key properties of system type MCU chip in signal patch, 310 type microcontrollers include:There are precision R/C clocks, ± 2% temperature in inside
It floats (- 45 DEG C~80 DEG C), clock is optional from 3MHz~25MHz, eliminates external crystal clock；4 16 can reload timing
Device, compatible common 8051 timer T0/T1, and can realize clock output and PWM functions；5 road PWM are exported；Upper point is multiple in piece
Position, VDD monitors and temperature sensor；29 universaling I/O ports, can be set to four kinds of patterns, (quasi-bidirectional interface/weak pull-up, pushes away by force
/ strong pull-up is drawn, only import and export/high resistant, open-drain).
Data acquire and memory module includes temperature sensor and data memory module and interlock circuit, for acquiring environment
The storage of temperature and data.Temperature sensor uses DS18B20 type digital temperature sensors, DS18B20 in the present embodiment
Type sensor has many advantages, such as high sensitivity, good reliability.
Solenoid valve is fixed among control device body 7, and solenoid valve both ends are separately connected spray gun and stream by quick-release connector
Box is measured, control device is enable to realize the quick-replaceable requirement of nozzle.Solenoid valve is connect with quick-release connector using welding manner, by
Then the reliability of welding structure, sealing and connection can be guaranteed；Quick-release connector is threadedly coupled spray gun by NTP1/8
Sealing and connection that screw threads for fastening anaerobic adhesive ensures structure can be smeared on screw thread since solenoid valve is seldom dismantled with flow box
Reliability.
Display screen 2 and control button 4 are connect with singlechip control panel 8, are the output peripheral hardware of singlechip control panel 8 respectively
And input peripheral.
The flow ejection control device workflow of the present invention includes the following steps：
Step 1, bleed type is selected, flow box is connect with nozzle by solenoid valve；
Step 2, pass through input module input nozzle type and preset injection dosage；
Step 3, it calculates and obtains the corresponding solenoid valve control time；
Step 4, control switch module control solenoid valve is opened, and after reaching control time, control solenoid valve is closed, and injection stops
Only.
In conclusion the above is merely preferred embodiments of the present invention, being not intended to limit the scope of the present invention.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's
Within protection domain.
Claims (4)
1. a kind of flow ejection control device, which is characterized in that including input module, solenoid valve and singlechip control panel (8)；
Peripheral equipment is flow box and nozzle；
Wherein, flow box is separately mounted to the both ends of solenoid valve with nozzle, and singlechip control panel (8) is connected with solenoid valve, controls
The break-make of solenoid valve；
The preset flow value that the input module is used to input to singlechip control panel (8)；
Singlechip control panel (8) includes data acquisition module, data memory module, time calculating unit and control switching molding
Block；
Wherein, data acquisition module is for acquiring environment temperature；
Data memory module is stored with varying environment temperature, flow value and the corresponding control time data and curves of nozzle information；
The time calculating unit is based on control time data and curves, according to the environment temperature of acquisition, the preset flow value of input
And nozzle information obtains corresponding control time；
The control switch module controls the break-make of solenoid valve according to the control time that time calculating unit obtains, and completes to injection
The control of flow.
2. a kind of flow ejection control device as described in claim 1, which is characterized in that
The solenoid valve connects flow box and nozzle by quick-release connector.
3. a kind of flow ejection control device as claimed in claim 1 or 2, which is characterized in that described device further includes display
Shield (2), display screen (2) is connect with singlechip control panel (8), display screen (2) real-time display injection flow and preset flow.
4. using a kind of flow ejection control method of flow ejection control device as claimed in claim 1 or 2, feature exists
In including the following steps：
Step 1, bleed type is selected, flow box is connect with nozzle by solenoid valve；
Step 2, pass through input module input nozzle type and preset injection dosage；
Step 3, it calculates and obtains the corresponding solenoid valve control time；
Step 4, control switch module control solenoid valve is opened, and after reaching control time, control solenoid valve is closed, and injection stops.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711117065.4A CN108525894A (en) | 2017-11-13 | 2017-11-13 | A kind of flow ejection control device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711117065.4A CN108525894A (en) | 2017-11-13 | 2017-11-13 | A kind of flow ejection control device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108525894A true CN108525894A (en) | 2018-09-14 |
Family
ID=63488752
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711117065.4A Pending CN108525894A (en) | 2017-11-13 | 2017-11-13 | A kind of flow ejection control device and method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69723817T2 (en) * | 1996-02-23 | 2004-06-03 | Scanrex Automation Ab | METHOD AND SYSTEM FOR DELIVERING A VISCOSE SOLUTION |
| CN101109470A (en) * | 2002-07-19 | 2008-01-23 | 诚实公司 | Liquid flow controller and precision dispense apparatus and system |
| CN102748101B (en) * | 2012-07-10 | 2014-03-26 | 天津亿利汽车环保科技有限公司 | Urea injection system for reducing NOx discharge of engine and control method thereof |
| CN206011095U (en) * | 2016-08-31 | 2017-03-15 | 滕晓波 | A kind of Study of Intelligent Robot Control system |
| CN206188375U (en) * | 2016-08-31 | 2017-05-24 | 北京北机机电工业有限责任公司 | Split type flow control system |
-
2017
- 2017-11-13 CN CN201711117065.4A patent/CN108525894A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69723817T2 (en) * | 1996-02-23 | 2004-06-03 | Scanrex Automation Ab | METHOD AND SYSTEM FOR DELIVERING A VISCOSE SOLUTION |
| CN101109470A (en) * | 2002-07-19 | 2008-01-23 | 诚实公司 | Liquid flow controller and precision dispense apparatus and system |
| CN102748101B (en) * | 2012-07-10 | 2014-03-26 | 天津亿利汽车环保科技有限公司 | Urea injection system for reducing NOx discharge of engine and control method thereof |
| CN206011095U (en) * | 2016-08-31 | 2017-03-15 | 滕晓波 | A kind of Study of Intelligent Robot Control system |
| CN206188375U (en) * | 2016-08-31 | 2017-05-24 | 北京北机机电工业有限责任公司 | Split type flow control system |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wu Yu Inventor after: Guo Chao Inventor after: An Wenshu Inventor after: Li Zhe Inventor after: Li Zihao Inventor after: Bi Xuan Inventor before: Guo Chao Inventor before: Li Zhe Inventor before: Li Zihao Inventor before: Bi Xuan |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190730 Address after: 102205 Beijing city center Changping District Yangfang Town Street No. 37 Applicant after: Institute of Chemical Defense, Academy of Military Sciences, Chinese People's Liberation Army Applicant after: Beijing Beiji Mechanical and Electrical Industry Co., Ltd. Address before: 101109 Beijing city Tongzhou District town Huoxian Kuo Xing three Street No. 18 Applicant before: Beijing Beiji Mechanical and Electrical Industry Co., Ltd. |
|
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180914 |