CN207216434U - One kind spraying flow closed-loop control system - Google Patents
One kind spraying flow closed-loop control system Download PDFInfo
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- CN207216434U CN207216434U CN201721025065.7U CN201721025065U CN207216434U CN 207216434 U CN207216434 U CN 207216434U CN 201721025065 U CN201721025065 U CN 201721025065U CN 207216434 U CN207216434 U CN 207216434U
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- flow
- valve
- control system
- loop control
- fluid
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Abstract
The utility model provides a kind of spraying flow closed-loop control system, including pump, flowmeter, check valve, flow regulating unit, flow controlling unit, fluid pressure transmitter and shower nozzle；The pump is sequentially connected flowmeter, check valve, flow regulating unit, fluid pressure transmitter and shower nozzle by pipeline, the signal input part of the fluid pressure transmitter signal output part connection traffic control unit, the flow meter signal output end connect the signal input part of flow controlling unit.A kind of spraying flow closed-loop control system described in the utility model, improves the efficiency of spraying operation, makes whole spraying operation more efficient.
Description
Technical field
The utility model belongs to field of fluid control, and flow closed-loop control system is sprayed more particularly, to one kind.
Background technology
It is very common using automatic spraying in spraying industrial production, it is the most difficult in automatic spraying
It is exactly accurate flow control, otherwise will result in the uneven phenomenon of lacquer painting, it is difficult to reach external coating requirement.Present market institute
The flow control used mainly has two ways, and one kind is to carry out coating pressure regulation using long-range coating pressure regulator valve, so as to change
Become the flow velocity of nozzle fluid, reach the control of fluid flow, this mode does not have reponse system, and flow shakiness will be directed at coating not
Uniformly, it is impossible to meet external coating requirement；Second is fed back using flowmeter, but all must be compact close inside flowmeter
Envelope, this will cause quick abrasion, and maintenance cost is high, scavenging period length, waste more cleaning solvents；After flowmeter abrasion, it will lead
Cause conveying and metering inaccurate, cause flow control not accurate enough.
The content of the invention
In view of this, the utility model is directed to a kind of spraying flow closed-loop control system, makes flow control accurate, and
And it is simple in construction, cost is cheap.
To reach above-mentioned purpose, what the technical solution of the utility model was realized in：
One kind spraying flow closed-loop control system, including the control of pump, flowmeter, check valve, flow regulating unit, flow are single
Member, fluid pressure transmitter and shower nozzle；
The pump is sequentially connected flowmeter, check valve, flow regulating unit, fluid pressure transmitter and spray by pipeline
Head, the signal input part of the fluid pressure transmitter signal output part connection traffic control unit, the flow meter signal are defeated
Go out to hold the signal input part of connection traffic control unit；
The flow regulating unit includes valve body, pressure regulating controller and pressure sensor, and valve is provided with the valve body
Chamber, the valve body are provided with the fluid intake and fluid issuing communicated with valve pocket, and valve element is provided with valve body, and the valve element connects ratio
Example valve, is provided with diaphragm, is externally provided with pressure regulating controller in valve body, the pressure sensor is set between the valve element and proportioning valve
Put in fluid inlet end, the signal output part of the pressure sensor and the input of pressure regulating controller connect, the pressure
The output end of power adjustment control device is connected with proportioning valve input.
Further, the check valve includes shell, O-ring, inner core, spring, vavle shelf, and the shell is connected with vavle shelf,
The inner core is connected with vavle shelf, and the spring is arranged between vavle shelf and inner core, and described shell one end is provided with seal, the O
Type circle is arranged on inner core, the O-ring and seal fitted seal.
Further, the inner core is provided with current stabilization hole.
Further, the seal is internal tapered hole.
Relative to prior art, a kind of spraying flow closed-loop control system described in the utility model has the advantage that：
A kind of spraying flow closed-loop control system described in the utility model is simple in construction, and cost is cheap, is closed using flow
Ring and pressure closed loop two ways, flow closed loop ensure that accurate flow control, and pressure closed loop provides the quick of flow control
Shadow is rung, and the abrasion of former metering cylinder and gear pump is overcome using Coriolis profit mass flowmenter, cleans not thorough, corrective maintenance
The shortcomings that workload is big, the efficiency of spraying operation is improved, make whole spraying operation more accurate.
Brief description of the drawings
Form a part of accompanying drawing of the present utility model to be used for providing further understanding to of the present utility model, this practicality is new
The schematic description and description of type is used to explain the utility model, does not form to improper restriction of the present utility model.
In accompanying drawing：
Fig. 1 is the structural representation described in the utility model embodiment；
Fig. 2 is the one-way valve structures schematic diagram described in the utility model embodiment.
Description of reference numerals：
1- pumps；2- flowmeters；3- check valves；301- vavle shelves；302- springs；303- shells；304- inner cores；305- current stabilizations
Hole；306- seals；307-O type circles；4- diaphragms；5- valve elements；6- fluid pressure transmitters；7- shower nozzles；8- flow controlling units；
9- pressure regulating controllers；10- pressure sensors；11- proportioning valves；12- valve bodies.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the utility model can
To be mutually combined.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than instruction
Or imply that signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that
For to limitation of the present utility model.In addition, term " first ", " second " etc. are only used for describing purpose, and it is not intended that instruction
Or imply relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", " second " etc. are defined
Feature can express or implicitly include one or more this feature.In description of the present utility model, unless separately
It is described, " multiple " are meant that two or more.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, on being understood by concrete condition
State concrete meaning of the term in the utility model.
Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
One kind spraying flow closed-loop control system, including pump 1, flowmeter 2, check valve 3, flow regulating unit, flow control
Unit 8, fluid pressure transmitter 6 and shower nozzle 7 processed；The pump 1 is sequentially connected flowmeter 2, check valve 3, flow by pipeline and adjusted
Save unit, fluid pressure transmitter 6 and shower nozzle 7, the signal output part connection traffic control unit 8 of fluid pressure transmitter 6
Signal input part, the signal output part of flowmeter 2 connects the signal input part of flow controlling unit 8；The flow is adjusted
Section unit includes valve body 12, pressure regulating controller 9 and pressure sensor 10, and valve pocket, the valve body are provided with the valve body 12
12 are provided with the fluid intake and fluid issuing communicated with valve pocket, and valve element 5 is provided with valve body 12, and the valve element 5 connects proportioning valve
11, diaphragm 4 is provided between the valve element 5 and proportioning valve 11, is externally provided with pressure regulating controller 9 in valve body 12, the pressure passes
Sensor 10 is arranged on fluid inlet end, the signal output part of the pressure sensor 10 and the input of pressure regulating controller 9
Connection, the output end of the pressure regulating controller 9 are connected with the input of proportioning valve 11.The check valve 3 include shell 303,
Inner core 304, spring 302, O-ring 307 and vavle shelf 301, the shell 303 are connected with vavle shelf, the inner core 304 and vavle shelf 301
Connection, the inner core 304 are provided with current stabilization hole 305, and the spring 302 is arranged between vavle shelf 301 and inner core 304, described outer
The one end of shell 303 is provided with seal 306, and the O-ring 307 is arranged on inner core 304, and the O-ring 307 is matched somebody with somebody with seal 306
Sealing is closed, the seal 306 is internal tapered hole.
A kind of spraying flow closed-loop control system described in the utility model uses pressure and flow duplex feedback regulation stream
Amount, flowmeter 2 provide data on flows, and fluid pressure transmitter 6 provides pressure data, and duplex feedback data ensure fluid flow
Accurate control and fast-response control；Fluid is delivered to flowmeter 2 by pump 1, is conveyed by flowmeter 2 by check valve 3
To flow regulating unit, shower nozzle 7 is finally delivered to, flowmeter 2 detects the flow of fluid, and actually detected data on flows is passed
Flow controlling unit 8, the detection flows adjustment unit of fluid pressure transmitter 6 to the Fluid pressure between shower nozzle 7 are transported to, and is incited somebody to action real
The fluid pressure data of border detection is transmitted to flow controlling unit 8, flow controlling unit 8 to be examined according to flow detection data and pressure
Data to be surveyed, and ratio calculating is carried out with the flow value of default, output control analog signalses control electric Proportion valve, and then
Fluid pressure adjusting pressuring valve 3 is controlled, control fluid flow is equal with default flow or within allowed band, so as to meet to spray
Apply the accurate control requirement of flow.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in
Protection domain within.
Claims (4)
1. one kind spraying flow closed-loop control system, it is characterised in that：Including pump（1）, flowmeter（2）, check valve（3）, flow
Adjustment unit, flow controlling unit（8）, fluid pressure transmitter（6）And shower nozzle（7）；
The pump（1）Flowmeter is sequentially connected by pipeline（2）, check valve（3）, flow regulating unit, fluid pressure transmitter
（6）And shower nozzle（7）, the fluid pressure transmitter（6）Signal output part connection traffic control unit（8）Signal input part,
The flowmeter（2）Signal output part connection traffic control unit（8）Signal input part；
The flow regulating unit includes valve body（12）, pressure regulating controller（9）And pressure sensor（10）, the valve body
（12）It is interior to be provided with valve pocket, the valve body（12）It is provided with the fluid intake and fluid issuing communicated with valve pocket, valve body（12）Inside set
There is valve element（5）, the valve element（5）Connect proportioning valve（11）, the valve element（5）With proportioning valve（11）Between be provided with diaphragm（4）,
Valve body（12）It is externally provided with pressure regulating controller（9）, the pressure sensor（10）Fluid inlet end is arranged on, the pressure passes
Sensor（10）Signal output part and pressure regulating controller（9）Input connection, the pressure regulating controller（9）It is defeated
Go out end and proportioning valve（11）Input connects.
A kind of 2. spraying flow closed-loop control system according to claim 1, it is characterised in that：The check valve（3）Bag
Include shell（303）, inner core（304）, spring（302）, O-ring（307）And vavle shelf（301）, the shell（303）With vavle shelf
（301）Connection, the inner core（304）With vavle shelf（301）Connection, the spring（302）It is arranged on vavle shelf（301）With inner core
（304）Between, the shell（303）One end is provided with seal（306）, the O-ring（307）It is arranged on inner core（304）On, institute
State O-ring（307）With seal（306）Fitted seal.
A kind of 3. spraying flow closed-loop control system according to claim 2, it is characterised in that：The inner core（304）On
Provided with current stabilization hole（305）.
A kind of 4. spraying flow closed-loop control system according to claim 2, it is characterised in that：The seal（306）
For internal tapered hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721025065.7U CN207216434U (en) | 2017-08-16 | 2017-08-16 | One kind spraying flow closed-loop control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721025065.7U CN207216434U (en) | 2017-08-16 | 2017-08-16 | One kind spraying flow closed-loop control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207216434U true CN207216434U (en) | 2018-04-10 |
Family
ID=61815257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721025065.7U Active CN207216434U (en) | 2017-08-16 | 2017-08-16 | One kind spraying flow closed-loop control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207216434U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111045458A (en) * | 2019-12-25 | 2020-04-21 | 华南理工大学 | Novel non-Newtonian fluid micro-coating system and control method |
-
2017
- 2017-08-16 CN CN201721025065.7U patent/CN207216434U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111045458A (en) * | 2019-12-25 | 2020-04-21 | 华南理工大学 | Novel non-Newtonian fluid micro-coating system and control method |
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