CN107225057A - A kind of voltage stabilizing and filter for PWM variable rate spray - Google Patents
A kind of voltage stabilizing and filter for PWM variable rate spray Download PDFInfo
- Publication number
- CN107225057A CN107225057A CN201710357967.9A CN201710357967A CN107225057A CN 107225057 A CN107225057 A CN 107225057A CN 201710357967 A CN201710357967 A CN 201710357967A CN 107225057 A CN107225057 A CN 107225057A
- Authority
- CN
- China
- Prior art keywords
- filter
- mounting seat
- slide bar
- connector
- voltage stabilizing
- 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.)
- Granted
Links
- 239000007921 spray Substances 0.000 title claims abstract description 28
- 230000000087 stabilizing effect Effects 0.000 title claims abstract description 22
- 238000010276 construction Methods 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 22
- 238000001914 filtration Methods 0.000 abstract description 7
- 230000033228 biological regulation Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000003814 drug Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000009288 screen filtration Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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
- B05B12/085—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 flow or pressure of liquid or other fluent material to be discharged
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Nozzles (AREA)
Abstract
The invention discloses a kind of voltage stabilizing for PWM variable rate spray and filter, stable-pressure device and filter on connector are installed on including connector and removable seal, the external decoction of entrance of the filter, the outlet of filter and stable-pressure device are connected with the connector；The stable-pressure device includes mounting seat and slide bar, elastic component and seal in mounting seat, the mounting seat is tightly connected with the connector, the slide bar is slidably mounted in the mounting seat, and the two ends of the elastic component are connected and top pressure sliding bar with the slide bar and mounting seat respectively；The slide bar is tightly connected by seal with the mounting seat.Beneficial effect of the present invention with simple in construction, automatic voltage regulation and good filtration effect.
Description
Technical field
The present invention relates to a kind of voltage stabilizing and filter, a kind of voltage stabilizing and filtering for PWM variable rate spray is referred in particular to
Device.
Background technology
PWM variable rate spray is a kind of equipment for becoming spray time, passes through the regulation to pwm signal dutycycle and frequency, control
The conducting of high-speed electromagnetic valve processed and closure, and then realize the regulation for spraying flow and mist droplet deposition distribution.However, high-speed electromagnetic valve
Turning on and closing moment, decoction sprays loop and there is larger decoction pressure oscillation, so that cause fog drop size distribution to be deteriorated,
Droplet drift risk increase and decoction droplet blade face deposition distribution is uneven etc. the problem of be unfavorable for Spray stability.It is existing at present
PWM variable rate spray mainly sprays loop to medicine-chest to the decoction between magnetic valve by overflow device and accumulator and carries out voltage stabilizing, knot
Structure is complicated and voltage regulation result is poor.And the arrangement of liquid medicine filter concentrates on medicine-chest between magnetic valve, and agrosprayer by
Worked for a long time in its severe operating environment and each hydraulic component, decoction, which is sprayed, can easily be mixed with impurity in loop, lead
Cause the blocking of shower nozzle so that equipment can not be normally carried out spraying.
The content of the invention
It is an object of the invention to for disadvantages mentioned above, there is provided a kind of simple in construction, automatic voltage regulation and good filtration effect
Voltage stabilizing and filter for PWM variable rate spray.
The purpose of the present invention can be reached using following technical scheme：
A kind of voltage stabilizing and filter for PWM variable rate spray, including connector and removable seal are installed on connection
Stable-pressure device and filter on body, the external decoction of entrance of the filter, the outlet of filter and stable-pressure device
Connected with the connector；The stable-pressure device includes mounting seat and slide bar, elastic component and seal in mounting seat, institute
State mounting seat to be tightly connected with the connector, the slide bar is slidably mounted in the mounting seat, the two of the elastic component
End is connected and top pressure sliding bar with the slide bar and mounting seat respectively；The slide bar is sealed by seal and the mounting seat
Connection.
Further, it is hollow knot that the filter, which is included inside housing, filter and support block, the support block,
Structure, the housing is provided with entrance and exit, and inwall is provided with annular protrusion；The filter is that one end is provided with the hollow of through hole
Structure, one end of the support block is sheathed in the filter by through hole, and filter is upper described in the support block top pressure
End, the bottom surface top pressure of the filter is on the annular protrusion；The support block is installed on the exit of the housing, and branch
The bottom surface of bracer is not contacted with the inner bottom surface of filter.
As a kind of preferred scheme, the seal is diaphragm seal, and the diaphragm seal is fixedly connected with the bottom of slide bar,
The diaphragm seal is slidably sheathed in mounting seat, and diaphragm seal and the inner wall sealing of mounting seat are connected.
As a kind of preferred scheme, the seal is to be provided with annular groove on sealing ring, the outer surface of the slide bar, institute
State sealing ring to be sheathed in annular groove, the slide bar is connected by sealing ring with the inner wall sealing of the mounting seat.
As a kind of preferred scheme, the inner face of the mounting seat is provided with downwardly projecting annular sleeve, the slide bar
Upper end be slidably sheathed in the annular sleeve, the elastic component is placed on the outer surface of the annular sleeve.
As a kind of preferred scheme, the upper end of the slide bar is pressed from both sides provided with locking, and the locking folder is slidably sheathed on institute
State in annular sleeve.
As a kind of preferred scheme, the elastic component is spring.
Further, the mounting seat and housing are seal-installed on the connector by sealing gasket, and mounting seat and
Housing is removably mounted on the connector by screw thread.
Further, the connector is fixedly installed in the outlet of magnetic valve, is provided with the outlet of the connector
Nozzle.
Further, the magnetic valve can be installed on base by the way that stepper motor is swingable.
Implement the present invention, have the advantages that：
1st, flowed into after decoction of the invention is filtered by filter in connector, under medicine action of hydraulic force, work as pressure
More than elastic component elastic force when, pressure overcome elastic force promote sliding bar so that decoction circulation volume increase, and then cause medicine
Hydraulic coupling reduces and reaches new balance, so as to realize the purpose for the pressure that stable decoction is sprayed.If decoction pressure is less than elastic component
Elastic force when, then slide bar reverse slide under the active force of elastic force so that the circulation volume of decoction reduces, and then cause decoction pressure
Power increases and reaches new balance, so as to improve atomisation pressure, decoction pressure can be adjusted automatically, it is ensured that the stabilization of pressure
Property, prevent the situation of huge fluctuation and cause the normal table that decoction sprays to carry out, with it is simple in construction, automatically adjust and
The characteristics of stability is good.
2nd, after decoction of the invention is flowed into by the entrance of housing, the strainer filtering that a part of decoction passes through filter floor
Enter afterwards in filter and flowed to from support block in connector, and the strainer filtering on the outer wall that a part of decoction passes through filter
Enter afterwards in filter and finally flowed to from support block in connector.Decoction can keep the clear of decoction after filter screen filtration
Cleanliness, prevents nozzle to be blocked and can not work, and after support block is disassembled, you can screen pack is cleaned or
Change, it is ensured that filter has good filter effect.
3rd, because lockable clamps have certain elastic deformation amount, it is sheathed in the crimp of locking double-layered quilt in annular sleeve
When, the inwall of the excircle top pressure annular sleeve of locking folder so that slide bar will not produce situation about rocking during slip is protected
Having demonstrate,proved slide bar can only be for linear motion along the axis direction of annular sleeve.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the present invention for the voltage stabilizing of PWM variable rate spray and the structural representation of filter；
Fig. 2 is that the present invention is used for the sectional view of the voltage stabilizing of PWM variable rate spray and the stable-pressure device of filter；
Fig. 3 is that the present invention is used for the sectional view of the voltage stabilizing of PWM variable rate spray and the filter of filter.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Embodiment 1
Referring to Figures 1 and 2, the present embodiment is related to voltage stabilizing and filter, including connector 1 and removable seal are installed on
Stable-pressure device 2 and filter 3 on connector 1, the external decoction of entrance of the filter 3, the outlet of filter 3 and
Stable-pressure device 2 is connected with the connector 1；The stable-pressure device 2 include mounting seat 21 and slide bar 22 in mounting seat 21,
Elastic component 23 and seal 24, the mounting seat 21 are tightly connected with the connector 1, and the slide bar 22 is slidably mounted at institute
State in mounting seat 21, the two ends of the elastic component 23 are connected with the slide bar 22 and mounting seat 21 respectively and top pressure slide bar 22 is slided
It is dynamic；The slide bar 22 is tightly connected by seal 24 with the mounting seat 21.
Decoction is flowed into connector 1 after being filtered by filter 3, under medicine action of hydraulic force, when pressure is more than elasticity
During the elastic force of part 23, pressure overcomes elastic force and promotes slide bar 22 to slide so that the circulation volume increase of decoction, and then causes decoction
Pressure reduces and reaches new balance, so as to realize the purpose for the pressure that stable decoction is sprayed.If decoction pressure is less than elastic component 23
Elastic force when, then the reverse slide under the active force of elastic force of slide bar 22 so that the circulation volume of decoction reduces, and then cause decoction
Pressure increase and reach new balance, so as to improve atomisation pressure, decoction pressure can be adjusted automatically, it is ensured that pressure it is steady
It is qualitative, prevent the situation of huge fluctuation and cause the normal table that decoction sprays to carry out, with it is simple in construction, automatically adjust
With stability it is good the characteristics of.
As shown in figure 3, the filter 3 is included inside housing 31, filter 32 and support block 33, the support block 33
For hollow-core construction, the housing 31 is provided with entrance 311 and outlet 312, and inwall is provided with annular protrusion 34；The filter 32
The hollow-core construction of through hole is provided with for one end, one end of the support block 33 is sheathed in the filter 32 by through hole, described
The upper end of filter 32 described in the top pressure of support block 33, the bottom surface top pressure of the filter 32 is on the annular protrusion 34；It is described
Support block 33 is installed at the outlet 312 of the housing 31, and the bottom surface of support block 33 is not contacted with the inner bottom surface of filter 32.
After decoction is flowed into by the entrance 311 of housing 31, after strainer filtering of a part of decoction by the bottom surface of filter 32
In into filter 32 and flowed to from support block 33 in connector 1, and the filter on the outer wall that a part of decoction passes through filter 32
Enter after net filtration in filter 32 and finally flowed to from support block 33 in connector 1.Decoction is can after filter screen filtration
The cleannes of decoction are kept, prevent nozzle to be blocked and can not work, and after support block 33 is disassembled, you can to mistake
Filter screen is cleaned or changed, it is ensured that filter 3 has good filter effect.
The seal 24 is diaphragm seal, and the diaphragm seal is fixedly connected with the bottom of slide bar 22, and the diaphragm seal can be slided
It is dynamic to be sheathed in mounting seat 21, and diaphragm seal is connected with the inner wall sealing of mounting seat 21.The diaphragm seal is sealed with mounting seat 21 to be connected
Connect and so that the pressure of decoction is directly acted on diaphragm seal, pressure promotes slide bar 22 to slide by diaphragm seal.In diaphragm seal
Under sealing function, decoction can not be flowed on slide bar 22, so as to ensure that slide bar 22 will not be hindered by decoction and can swimmingly pacify
Enter line slip in dress seat 21, realize the function of automatically adjusting decoction pressure.
The inner face of the mounting seat 21 is provided with downwardly projecting annular sleeve 211, and the upper end of the slide bar 22 is slidably
It is sheathed in the annular sleeve 211, the elastic component 23 is placed on the outer surface of the annular sleeve 211.In leading for annular sleeve 211
To using, slide bar 22 can be slided along the axis direction of annular sleeve 211, and elastic component 23 is made in the positioning of annular sleeve 211
Under, it can rapidly be arranged and be installed on the outer surface of annular sleeve 211, install simply and conveniently.
The upper end of the slide bar 22 is slidably sheathed on the annular sleeve 211 provided with locking folder 221, the locking folder 221
It is interior.Because locking folder 221 has certain elastic deformation amount, it is deformed and is sheathed in annular sleeve 211 in locking folder 221
When, the inwall of the excircle top pressure annular sleeve 211 of locking folder 221 so that slide bar 22 will not be produced during slip and rocked
Situation, it is ensured that slide bar 22 can only be for linear motion along the axis direction of annular sleeve 211.
The elastic component 23 is spring.The spring uses stage clip, and slide bar 22 is respectively in the presence of stage clip and decoction pressure
Slided in mounting seat 21, when stage clip is identical to the pressure on top surface size of slide bar 22 with decoction pressure, the stop motion of slide bar 22.
The mounting seat 21 and housing 31 are seal-installed on the connector 1 by sealing gasket 4, and mounting seat 21 and shell
Body 31 is removably mounted on the connector 1 by screw thread.Under the sealing function of sealing gasket 4, prevent decoction in mounting seat
21 produce the situation of leakage with the junction of connector 1, and the junction of housing 31 and connector 1.
The connector 1 is fixedly installed in the outlet of magnetic valve 5, and nozzle 6 is provided with the outlet of the connector 1.
The magnetic valve 5 can be installed on base by the way that stepper motor is swingable.By controlling the rotational angle of stepper motor, it can adjust
The direction of nozzle 6 is saved, to carry out medicine liquid spray to relevant position, the function of auto-adjustment control and work is realized.
Embodiment 2
The present embodiment is that on the basis of embodiment 1, as the improvement to seal 24, the seal 24 is sealing
Annular groove is provided with circle, the outer surface of the slide bar 22, the sealing ring is sheathed in annular groove, the slide bar 22 passes through sealing
Circle is connected with the inner wall sealing of the mounting seat 21.Slide bar 22 realizes that sealing connects by seal 24 and the inwall of mounting seat 21
Connect, when slide bar 22 is slided, can prevent decoction from entering in the cavity formed between slide bar 22 and mounting seat 21, so as to ensure that cunning
Bar 22 will not be hindered by decoction and swimmingly can enter line slip in mounting seat 21.
Above disclosed is only a kind of preferred embodiment of the invention, can not limit the power of the present invention with this certainly
Sharp scope, therefore the equivalent variations made according to the claims in the present invention, still belong to the scope that the present invention is covered.
Claims (10)
1. a kind of voltage stabilizing and filter for PWM variable rate spray, it is characterised in that：Pacify including connector and removable seal
Loaded on the stable-pressure device and filter on connector, the external decoction of entrance of the filter, the outlet of filter and
Stable-pressure device is connected with the connector；The stable-pressure device include mounting seat and slide bar in mounting seat, elastic component and
Seal, the mounting seat is tightly connected with the connector, and the slide bar is slidably mounted in the mounting seat, the bullet
The two ends of property part are connected and top pressure sliding bar with the slide bar and mounting seat respectively；The slide bar passes through seal and the peace
Dress seat is tightly connected.
2. a kind of voltage stabilizing and filter for PWM variable rate spray according to claim 1, it is characterised in that：It is described
It is hollow-core construction that filter, which is included inside housing, filter and support block, the support block, and the housing is provided with entrance and goes out
Mouthful, and inwall is provided with annular protrusion；The filter is the hollow-core construction that one end is provided with through hole, and one end of the support block leads to
Cross through hole to be sheathed in the filter, the upper end of filter described in the support block top pressure, the bottom surface top pressure of the filter
In on the annular protrusion；The support block is installed on the exit of the housing, and support block bottom surface and filter it is interior
Bottom surface is not contacted.
3. a kind of voltage stabilizing and filter for PWM variable rate spray according to claim 1, it is characterised in that：It is described
Seal is diaphragm seal, and the diaphragm seal is fixedly connected with the bottom of slide bar, and the diaphragm seal is slidably sheathed in mounting seat,
And diaphragm seal and the inner wall sealing of mounting seat are connected.
4. a kind of voltage stabilizing and filter for PWM variable rate spray according to claim 1, it is characterised in that：It is described
Seal is sealing ring, and annular groove is provided with the outer surface of the slide bar, and the sealing ring is sheathed in annular groove, the slide bar
It is connected by sealing ring with the inner wall sealing of the mounting seat.
5. a kind of voltage stabilizing and filter for PWM variable rate spray according to claim 1, it is characterised in that：It is described
The inner face of mounting seat is provided with downwardly projecting annular sleeve, and the upper end of the slide bar is slidably sheathed in the annular sleeve,
The elastic component is placed on the outer surface of the annular sleeve.
6. a kind of voltage stabilizing and filter for PWM variable rate spray according to claim 5, it is characterised in that：It is described
The upper end of slide bar is pressed from both sides provided with locking, and the locking folder is slidably sheathed in the annular sleeve.
7. a kind of voltage stabilizing and filter for PWM variable rate spray according to claim 1, it is characterised in that：It is described
Elastic component is spring.
8. a kind of voltage stabilizing and filter for PWM variable rate spray according to claim 2, it is characterised in that：It is described
Mounting seat and housing are seal-installed on the connector by sealing gasket, and mounting seat and housing are detachably installed by screw thread
In on the connector.
9. a kind of voltage stabilizing and filter for PWM variable rate spray according to claim 1, it is characterised in that：It is described
Connector is fixedly installed in the outlet of magnetic valve, and nozzle is provided with the outlet of the connector.
10. a kind of voltage stabilizing and filter for PWM variable rate spray according to claim 9, it is characterised in that：It is described
Magnetic valve can be installed on base by the way that stepper motor is swingable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710357967.9A CN107225057B (en) | 2017-05-19 | 2017-05-19 | A kind of pressure stabilizing and filter device for PWM variable rate spray |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710357967.9A CN107225057B (en) | 2017-05-19 | 2017-05-19 | A kind of pressure stabilizing and filter device for PWM variable rate spray |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107225057A true CN107225057A (en) | 2017-10-03 |
| CN107225057B CN107225057B (en) | 2019-07-12 |
Family
ID=59933254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710357967.9A Active CN107225057B (en) | 2017-05-19 | 2017-05-19 | A kind of pressure stabilizing and filter device for PWM variable rate spray |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107225057B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2258922Y (en) * | 1995-11-10 | 1997-08-06 | 裴继钊 | Small motor-driven spray pump |
| CN102648706A (en) * | 2012-05-10 | 2012-08-29 | 市下控股有限公司 | Pressure adjusting and stabilizing device for sprayer spray gun |
| CN102748100A (en) * | 2011-04-19 | 2012-10-24 | 苏州派格力减排***有限公司 | Urea measuring jet pump in SCR (Selective Catalytic Reduction) system |
| JP2013013842A (en) * | 2011-07-01 | 2013-01-24 | Norio Ozaki | Filter for coating spray gun, and coating spray gun using the same |
| CN103488195A (en) * | 2013-09-06 | 2014-01-01 | 浙江大学 | Method and device for building PWM spraying flow model |
-
2017
- 2017-05-19 CN CN201710357967.9A patent/CN107225057B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2258922Y (en) * | 1995-11-10 | 1997-08-06 | 裴继钊 | Small motor-driven spray pump |
| CN102748100A (en) * | 2011-04-19 | 2012-10-24 | 苏州派格力减排***有限公司 | Urea measuring jet pump in SCR (Selective Catalytic Reduction) system |
| JP2013013842A (en) * | 2011-07-01 | 2013-01-24 | Norio Ozaki | Filter for coating spray gun, and coating spray gun using the same |
| CN102648706A (en) * | 2012-05-10 | 2012-08-29 | 市下控股有限公司 | Pressure adjusting and stabilizing device for sprayer spray gun |
| CN103488195A (en) * | 2013-09-06 | 2014-01-01 | 浙江大学 | Method and device for building PWM spraying flow model |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107225057B (en) | 2019-07-12 |
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