CN108745734A - A kind of wind balance-conditioning system of paint spray booth - Google Patents
A kind of wind balance-conditioning system of paint spray booth Download PDFInfo
- Publication number
- CN108745734A CN108745734A CN201810565515.4A CN201810565515A CN108745734A CN 108745734 A CN108745734 A CN 108745734A CN 201810565515 A CN201810565515 A CN 201810565515A CN 108745734 A CN108745734 A CN 108745734A
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- differential pressure
- wind
- filter
- pressure pickup
- spray booth
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
- B05B14/40—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths
- B05B14/43—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths by filtering the air charged with excess material
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- Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
Abstract
The invention discloses a kind of wind balance-conditioning systems of paint spray booth, including：Air-conditioner set, frequency conversion fan, paint spray booth, differential pressure pickup and controller；Air-conditioner set includes：Wind outlet section, fillter section and wind inlet section；Paint spray booth includes successively from top to bottom：Pressure stabilizing chamber, operating room and filter chamber are equipped with filter cotton between pressure stabilizing chamber and operating room；Differential pressure pickup includes：Differential pressure pickup includes：First differential pressure pickup and the second differential pressure pickup, the both sides pressure difference of the first differential pressure pickup acquisition filter cotton, the pressure difference in the second differential pressure pickup acquisition filter section.Controller obtains pressure difference in real time by using the first differential pressure pickup and the second differential pressure pickup, by calculating total pressure head, the working frequency of corresponding adjustment frequency conversion fan, is realized with this and balances adjust automatically to the wind of paint spray booth, it is ensured that paint spray booth is constantly in wind balanced steady state.
Description
Technical field
The present invention relates to automobile correlation other technologies field, the wind balance-conditioning systems of especially a kind of paint spray booth.
Background technology
The wind balance of automobile painting room is most important to application qualitative effects, the powder of the quality to influencing vehicle body spraying
The factors such as dirt, colour contamination, coating cloud have a great impact.The wind balance of application paint spray booth is adjusted, paint spray booth is made to be formed from upper
Air stream, improvement operating environment under, the extra coating cloud of removal, this is through entire workshop from the equipment debugging of early period to the later stage
An element that can not be lacked in part debugging when production.
Currently, wind balance adjustment paints indoor wind speed generally by man-hour manually hand-held anemobiagraph fixed point monitoring, while
The profiling header of paint spray booth's entrance and exit pastes tape strip, and to judge to paint, indoor wind floats toward which direction, then passes through
The motor inverter frequency for adjusting circulated air air-conditioning draught fan achievees the purpose that adjust wind balance in paint spray booth.Existing wind balance
Regulative mode is only finding that it is uneven that wind occurs, and when influencing normally to spray, can just balance and be adjusted to wind, there is lag
Property, it can not adjust.
Invention content
The purpose of the present invention is to provide a kind of wind balance-conditioning systems of paint spray booth, solve existing in the prior art ask
Topic is realized and balances adjust automatically to the wind of paint spray booth, it is ensured that paint spray booth is constantly in wind balanced steady state.
The present invention provides a kind of wind balance-conditioning systems of paint spray booth, wherein including：Air-conditioner set, frequency conversion fan, spray
Paint room, differential pressure pickup and controller；The air-conditioner set includes：Wind outlet section, fillter section and wind inlet section, the wind outlet section and institute
The air inlet for stating frequency conversion fan is connected；The paint spray booth includes successively from top to bottom：For the pressure stabilizing chamber of voltage stabilizing, for spray painting
Operating room and the filter chamber detached for coating cloud, are equipped with filter cotton between the pressure stabilizing chamber and the operating room；The frequency conversion wind
The air outlet of machine is connected by intake stack with the pressure stabilizing chamber, and the filter chamber passes through wind pipe and the wind inlet section phase
Connection；The differential pressure pickup includes：First differential pressure pickup and the second differential pressure pickup, the two of first differential pressure pickup
A collection terminal is fixed on the both sides of the filter cotton, and the output end of first differential pressure pickup is electrically connected with the controller；
Second differential pressure pickup is fixed in the fillter section, for the pressure difference in acquisition filter section, second pressure difference sensing
Device is electrically connected with the controller；The controller changes according to the collected pressure difference signal of the differential pressure pickup of reception
The electric machine frequency of the frequency conversion fan.
Preferably, the fillter section includes：Primary filter and paint-fog filter, the paint-fog filter close to it is described into
Wind section, the primary filter is close to the wind outlet section；Two collection terminals of second differential pressure pickup are individually fixed in institute
State the both sides of primary filter.
Preferably, the fillter section further includes medium effeciency filter, and the medium effeciency filter is located at the primary filter court
To the side of the wind outlet section；The differential pressure pickup further includes third differential pressure pickup, and the two of the third differential pressure pickup
A collection terminal is fixed on the both sides of the medium effeciency filter, and output end and the controller of the third differential pressure pickup are electrically connected
It connects.
Preferably, described including air-conditioner set further includes dehumidifying section and warming-up section, the warming-up section close to the wind outlet section,
The dehumidifying section is close to the medium effeciency filter.
Preferably, the pressure stabilizing chamber is from top to bottom divided into dynamic pressure room and plenum chamber, the dynamic pressure room and the static pressure
Dynamic pressure filter is equipped between room；The differential pressure pickup further includes the 4th differential pressure pickup, the 4th differential pressure pickup
Two collection terminals are fixed on the both sides of the dynamic pressure filter, output end and the controller electricity of the 4th differential pressure pickup
Connection.
Preferably, the filter chamber includes：The water is fixed in sink, pond and air duct, the pond and the air duct
The lower section of slot；The sink and the pond pass through pipeline circulating water flow；The sink is fixed on the operating room and the mistake
Between filter chamber, the middle part of the sink is equipped with venturi type coating cloud and captures mold segment, is mixed with water for coating cloud.
Preferably, the wind pipe is connected by the air draft air hose arranged between multiple wait with the air duct.
Preferably, the spacing of the two neighboring air draft air hose is 5m~6m.
Preferably, the first air-valve is equipped in each air draft air hose, in the intake stack and the wind pipe
It is equipped with the second air-valve.
Preferably, computing module is equipped in the controller, the computing module according to formula Y=0.075X+32, wherein
X is total pressure head, and Y is the electric machine frequency of the frequency conversion fan, corresponding to adjust according to the pressure difference signal that the differential pressure pickup acquires
The electric machine frequency of the frequency conversion fan.
The beneficial effects of the present invention are：
The present invention provides a kind of wind balance-conditioning system of paint spray booth, controller by using the first differential pressure pickup and
Second differential pressure pickup obtains the pressure difference in paint spray booth and air-conditioner set in real time respectively, and by calculating total pressure head, corresponding adjustment becomes
The working frequency of frequency wind turbine is realized with this and balances adjust automatically to the wind of paint spray booth, it is ensured that it is steady that paint spray booth is constantly in wind balance
Determine state.
Description of the drawings
Fig. 1 is the schematic diagram of the wind balance-conditioning system of paint spray booth provided in an embodiment of the present invention；
Fig. 2 is the schematic diagram of paint spray booth.
Reference numeral is as follows：
It is imitated in 1- air-conditioner sets, 11- wind outlet sections, 12- fillter sections, 121- paint-fog filters, 122- primary filters, 123-
Filter, 13- wind inlet sections, 14- dehumidifying section, 15- warming-up sections, 2- frequency conversion fans, the paint spray booths 3-, 31- pressure stabilizing chambers, 311- dynamic pressures
Room, 312- plenum chambers, the operating rooms 32-, the filter chambers 33-, 331- sinks, the ponds 332-, the air ducts 333-, 334- venturi type coating clouds
Mold segment, 34- filter cottons, 35- dynamic pressures filter, 36- air drafts air hose, 4- intake stacks, 5- wind pipes, 61- first is captured to press
Gap sensor, the second differential pressure pickups of 62-, 63- thirds differential pressure pickup, the 4th differential pressure pickups of 64-, the first air-valves of 71-,
The second air-valves of 72-, 8- controllers.
Specific implementation mode
The embodiment of the present invention is described below in detail, the example of embodiment is shown in the accompanying drawings, wherein identical from beginning to end
Or similar label indicates same or similar element or element with the same or similar functions.It is retouched below with reference to attached drawing
The embodiment stated is exemplary, and is only used for explaining the present invention, and is not construed as limiting the claims.
As depicted in figs. 1 and 2, an embodiment of the present invention provides a kind of wind balance-conditioning systems of paint spray booth, wherein packet
It includes：Air-conditioner set 1, frequency conversion fan 2, paint spray booth 3, differential pressure pickup and controller 8.The air-conditioner set 1 includes：Wind outlet section
11, fillter section 12 and wind inlet section 13, the wind outlet section 11 are connected with the air inlet of the frequency conversion fan 2.The paint spray booth 3 is by upper
Include successively under：Pressure stabilizing chamber 31 for voltage stabilizing, the operating room 32 for spray painting and the filter chamber 33 for coating cloud separation, institute
It states and is equipped with filter cotton 34 between pressure stabilizing chamber 31 and the operating room 32.The air outlet of the frequency conversion fan 2 by intake stack 4 with
The pressure stabilizing chamber 31 is connected, and the filter chamber 33 is connected by wind pipe 5 with the wind inlet section 13.The pressure difference sensing
Device includes：Two collection terminals of the first differential pressure pickup 61 and the second differential pressure pickup 62, first differential pressure pickup 61 are solid
Output end due to the both sides of the filter cotton 34, first differential pressure pickup 61 is electrically connected with the controller 8；Described
Two differential pressure pickups 62 are fixed in the fillter section 12, for the pressure difference in acquisition filter section 12, second pressure difference sensing
Device 62 is electrically connected with the controller 8.The controller 8 changes according to the collected pressure difference signal of differential pressure pickup is received
Become the electric machine frequency of the frequency conversion fan 2.Since there are a large amount of coating clouds in paint spray booth 3, coating cloud is caused to block fillter section 12 and mistake
Filter pulp 34 can obtain pressure difference in real time by using the first differential pressure pickup 61 and the second differential pressure pickup 62, by believing pressure difference
Number it is sent to controller 8, changes the working frequency of frequency conversion fan 2 by controller 8, the wind balance to paint spray booth 3 is realized with this
Adjust automatically, it is ensured that paint spray booth 3 is constantly in wind balanced steady state.
Further, the fillter section 12 includes：Primary filter 122 and paint-fog filter 121, the paint-fog filter
121 close to the wind inlet section 13, and the primary filter 122 is close to the wind outlet section 11；Second differential pressure pickup 62
Two collection terminals are individually fixed in the both sides of the primary filter 122.When it is implemented, the gas being discharged from filter chamber 33 is logical
After crossing the entrance wind inlet section 13 of wind pipe 5, paint-fog filter 121 can be filtered the large granular impurities such as coating cloud, primarily efficient filter
Device 122 can be filtered little particle impurity, and the filter effect of air-conditioner set 1 can be improved.
Further, the fillter section 12 further includes medium effeciency filter 123, and the medium effeciency filter 123 is located at described first
Filter 122 is imitated towards the side of the wind outlet section 11；The differential pressure pickup further includes third differential pressure pickup 63, and described
Two collection terminals of three differential pressure pickups 63 are fixed on the both sides of the medium effeciency filter 123, the third differential pressure pickup 63
Output end be electrically connected with the controller 8.By be arranged medium effeciency filter 123 can further filter small particles impurity, together
When the pressure difference of medium effeciency filter 123 is acquired by third differential pressure pickup 63, system can be made to obtain more accurate total pressure head, carried
Control accuracy of the height to frequency conversion fan 2.
Further, described including air-conditioner set 1 further includes dehumidifying section 14 and warming-up section 15, and the warming-up section 15 is close to institute
Wind outlet section 11 is stated, the dehumidifying section 14 is close to the medium effeciency filter 123.It can be made from air inlet by dehumidifying section 14 and warming-up section 15
The gas that pipeline 4 enters paint spray booth 3 meets duty requirements, helps to ensure that painting environment, improves the quality of spray painting.
Further, the pressure stabilizing chamber 31 is from top to bottom divided into dynamic pressure room 311 and plenum chamber 312, the dynamic pressure room
Dynamic pressure filter 35 is equipped between 311 and the plenum chamber 312；The differential pressure pickup further includes the 4th differential pressure pickup 64,
Two collection terminals of the 4th differential pressure pickup 64 are fixed on the both sides of the dynamic pressure filter 35, the 4th pressure difference sensing
The output end of device 64 is electrically connected with the controller 8.After frequency conversion fan 2 pressurizes to air, enter voltage stabilizing from intake stack 4
Room 31 can make high pressure draught first pass through dynamic pressure room 311, be filtered through dynamic pressure by the way that dynamic pressure room 311 and plenum chamber 312 is separately provided
After device 35 filters, the air-flow into plenum chamber 312 can be made to stablize relatively, while dynamic pressure is acquired by the 4th differential pressure pickup 64
The pressure difference of filter 35 can make system obtain more accurate total pressure head, improve the control accuracy to frequency conversion fan 2.
As shown in Fig. 2, further, the filter chamber 33 includes：Sink 331, pond 332 and air duct 333, the pond
332 and the air duct 333 be fixed on the lower section of the sink 331；The sink 331 and the pond 332 are recycled by pipeline
Flow；The sink 331 is fixed between the operating room 32 and the filter chamber 33, and the middle part of the sink 331 is equipped with text
Formula coating cloud captures mold segment 334 in mound, is mixed with water for coating cloud.It includes being connected that the venturi type coating cloud, which captures mold segment 334,
Level-one venturi tube structure and two level venturi tube structure, when gas from the venturi type coating cloud capture mold segment 334 air inlet
Drain from the exhaust outlet of the other end after going through secondary scaling after, venturi type coating cloud mold segment can be captured after gas boosting
The circulating water flow flowed on 334 is splash, and mixed, is helped to improve the mixing velocity of gas and flow, is improved water droplet
To the capturing efficiency of the suspended particulate in air, the purification efficiency to gas is improved.The liquid flow return water flowed out from exhaust outlet
Behind pond 332, cycle can be continued to participate in, is mixed again with coating cloud into sink 331.Preferably, coating cloud cohesion is added in pond 332
Coating cloud can be agglomerated lacquering slag, then Slag Scraping Device be utilized to collect post-processing, improved work efficiency by agent.
Further, the wind pipe 5 is connected by the air draft air hose 36 arranged between multiple wait with the air duct 333
It is logical, the efficiency of gas discharge can be improved.Preferably, the spacing of the two neighboring air draft air hose 36 is 5m~6m, can specifically be incited somebody to action
Spacing is set as 5m, to improve exhaust efficiency.
Due to multiple air draft air hoses 36 respectively at a distance from the gas outlet that the venturi type coating cloud captures mold segment 334 it is different,
Cause the exhaust efficiency of each air draft air hose 36 different.Further, it is equipped with the first air-valve 71 in each air draft air hose 36,
It is equipped with the second air-valve 72 in the intake stack 4 and the wind pipe 5, can make by adjusting each first air-valve, 71 aperture
Each air draft air hose 36 has equivalent exhaust efficiency, improves the stationarity of exhaust.Meanwhile coordinating adjustment 72 aperture of the second air-valve,
Contribute to accurately debug early period, ensures the wind balance in paint spray booth 3.Further, it is additionally provided with water fender in filter chamber 33, be used for
It realizes that the gentle separation of water, structure type are U-shaped board make-up, forms baffle plate form.Aqueous gas passes through baffle plate many places
After bending processing, flow is dropped down onto the dropping plate of lower section, and circulating water pool is then flowed into, and gas enters air duct, further improves
Filter effect.
For the system newly installed, the pressure difference of each filtering material is smaller, about 40Pa, the motor frequency of frequency conversion fan 2
Rate is 35HZ, can ensure the wind balance in paint spray booth 3 by adjusting 72 aperture of the first air-valve 71 and the second air-valve.When all mistakes
After a period of use, each layer filtering material pressure difference increases filter material material, when total pressure head reaches 240Pa, the electricity of frequency conversion fan 2
Unit frequency need to be adjusted to 50HZ, could be met paint spray booth's 3 wind balance and be required, filtering material needs to change new at this time.Further,
Computing module is equipped in the controller 8, the computing module is total pressure head according to formula Y=0.075X+32, wherein X, and Y is
The electric machine frequency of the frequency conversion fan 2, it is corresponding to adjust the frequency conversion fan according to the pressure difference signal that the differential pressure pickup acquires
2 electric machine frequency.The electric machine frequency of the frequency conversion fan 2 calculates simply, and can accurately adjust indoor wind pressure.
Be described in detail based on the embodiments shown in the drawings the present invention structure, feature and effect, it is above only
For presently preferred embodiments of the present invention, but the present invention is not to limit practical range, every conception institute according to the present invention shown in drawing
The change of work, or it is revised as the equivalent embodiment of equivalent variations, it, should all when not going beyond the spirit of the description and the drawings
Within the scope of the present invention.
Claims (10)
1. a kind of wind balance-conditioning system of paint spray booth, which is characterized in that including：
Air-conditioner set and frequency conversion fan, the air-conditioner set include：Wind outlet section, fillter section and wind inlet section, the wind outlet section and institute
The air inlet for stating frequency conversion fan is connected；
Paint spray booth, the paint spray booth include successively from top to bottom：It pressure stabilizing chamber for voltage stabilizing, the operating room for spray painting and is used for
The filter chamber of coating cloud separation, is equipped with filter cotton between the pressure stabilizing chamber and the operating room；The air outlet of the frequency conversion fan is logical
It crosses intake stack with the pressure stabilizing chamber to be connected, the filter chamber is connected by wind pipe with the wind inlet section；
Differential pressure pickup and controller, the differential pressure pickup include：First differential pressure pickup and the second differential pressure pickup, it is described
Two collection terminals of the first differential pressure pickup are fixed on the both sides of the filter cotton, the output end of first differential pressure pickup with
The controller electrical connection；Second differential pressure pickup is fixed in the fillter section, the pressure difference being used in acquisition filter section,
Second differential pressure pickup is electrically connected with the controller；
The controller changes the motor of the frequency conversion fan according to the collected pressure difference signal of the differential pressure pickup of reception
Frequency.
2. the wind balance-conditioning system of paint spray booth according to claim 1, which is characterized in that the fillter section includes：Just
Filter and paint-fog filter are imitated, the paint-fog filter is close to the wind inlet section, and the primary filter is close to the outlet air
Section；Two collection terminals of second differential pressure pickup are individually fixed in the both sides of the primary filter.
3. the wind balance-conditioning system of paint spray booth according to claim 2, which is characterized in that during the fillter section further includes
Filter is imitated, the medium effeciency filter is located at the primary filter towards the side of the wind outlet section；
The differential pressure pickup further includes third differential pressure pickup, and two collection terminals of the third differential pressure pickup are fixed on institute
The both sides of medium effeciency filter are stated, the output end of the third differential pressure pickup is electrically connected with the controller.
4. the wind balance-conditioning system of paint spray booth according to claim 3, which is characterized in that it is described include air-conditioner set also
Including dehumidifying section and warming-up section, the warming-up section is close to the wind outlet section, and the dehumidifying section is close to the medium effeciency filter.
5. the wind balance-conditioning system of paint spray booth according to claim 1, which is characterized in that the pressure stabilizing chamber is from top to bottom
It is divided into dynamic pressure room and plenum chamber, dynamic pressure filter is equipped between the dynamic pressure room and the plenum chamber；
The differential pressure pickup further includes the 4th differential pressure pickup, and two collection terminals of the 4th differential pressure pickup are fixed on institute
The both sides of dynamic pressure filter are stated, the output end of the 4th differential pressure pickup is electrically connected with the controller.
6. the wind balance-conditioning system of paint spray booth according to claim 1, which is characterized in that the filter chamber includes：Water
The lower section of the sink is fixed in slot, pond and air duct, the pond and the air duct；The sink and the pond pass through pipe
Road circulating water flow；The sink is fixed between the operating room and the filter chamber, and the middle part of the sink is equipped with venturi
Formula coating cloud captures mold segment, is mixed with water for coating cloud.
7. the wind balance-conditioning system of paint spray booth according to claim 6, which is characterized in that the wind pipe passes through more
The air draft air hose arranged between a etc. is connected with the air duct.
8. the wind balance-conditioning system of paint spray booth according to claim 7, which is characterized in that the two neighboring air draft wind
The spacing of pipe is 5m~6m.
9. the wind balance-conditioning system of paint spray booth according to claim 7, which is characterized in that in each air draft air hose
It is equipped with the first air-valve, the second air-valve is equipped in the intake stack and the wind pipe.
10. the wind balance-conditioning system of paint spray booth according to claim 1, which is characterized in that be equipped in the controller
Computing module, the computing module are total pressure head according to formula Y=0.075X+32, wherein X, and Y is the motor of the frequency conversion fan
Frequency, according to the pressure difference signal that the differential pressure pickup acquires, the corresponding electric machine frequency for adjusting the frequency conversion fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810565515.4A CN108745734B (en) | 2018-06-04 | 2018-06-04 | A kind of wind balance-conditioning system of paint spray booth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810565515.4A CN108745734B (en) | 2018-06-04 | 2018-06-04 | A kind of wind balance-conditioning system of paint spray booth |
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| Publication Number | Publication Date |
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| CN108745734A true CN108745734A (en) | 2018-11-06 |
| CN108745734B CN108745734B (en) | 2019-08-06 |
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| CN201810565515.4A Active CN108745734B (en) | 2018-06-04 | 2018-06-04 | A kind of wind balance-conditioning system of paint spray booth |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110793115A (en) * | 2019-10-17 | 2020-02-14 | 华润三九（雅安）药业有限公司 | Automatic air quantity measuring and controlling system of clean air conditioning system of pharmaceutical factory |
| CN111617921A (en) * | 2020-05-12 | 2020-09-04 | 中国汽车工业工程有限公司 | Dynamic wind balance control method for dry-type spray room |
| CN113083591A (en) * | 2021-03-18 | 2021-07-09 | 浙江日鼎涂装科技有限公司 | Automatic detection and regulation system for wind speed and wind pressure of dry-type spray room |
| CN113245124A (en) * | 2021-03-29 | 2021-08-13 | 中国电器科学研究院股份有限公司 | Intelligent air quantity balance adjusting system and method for spray room |
| CN114992722A (en) * | 2022-04-27 | 2022-09-02 | 东风柳州汽车有限公司 | Air supply system and method |
| CN115634797A (en) * | 2022-11-02 | 2023-01-24 | 中国电器科学研究院股份有限公司 | Man-machine mixed type paint spraying system and using method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110793115A (en) * | 2019-10-17 | 2020-02-14 | 华润三九（雅安）药业有限公司 | Automatic air quantity measuring and controlling system of clean air conditioning system of pharmaceutical factory |
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| CN111617921B (en) * | 2020-05-12 | 2023-10-17 | 中国汽车工业工程有限公司 | Dynamic wind balance control method for dry spray room |
| CN113083591A (en) * | 2021-03-18 | 2021-07-09 | 浙江日鼎涂装科技有限公司 | Automatic detection and regulation system for wind speed and wind pressure of dry-type spray room |
| CN113245124A (en) * | 2021-03-29 | 2021-08-13 | 中国电器科学研究院股份有限公司 | Intelligent air quantity balance adjusting system and method for spray room |
| CN114992722A (en) * | 2022-04-27 | 2022-09-02 | 东风柳州汽车有限公司 | Air supply system and method |
| CN115634797A (en) * | 2022-11-02 | 2023-01-24 | 中国电器科学研究院股份有限公司 | Man-machine mixed type paint spraying system and using method thereof |
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| CN108745734B (en) | 2019-08-06 |
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