CN107797576A - A kind of decoction constant volume added automatically system - Google Patents
A kind of decoction constant volume added automatically system Download PDFInfo
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- CN107797576A CN107797576A CN201711129410.6A CN201711129410A CN107797576A CN 107797576 A CN107797576 A CN 107797576A CN 201711129410 A CN201711129410 A CN 201711129410A CN 107797576 A CN107797576 A CN 107797576A
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- 239000007788 liquid Substances 0.000 claims abstract description 230
- 238000001514 detection method Methods 0.000 claims abstract description 26
- 230000000694 effects Effects 0.000 claims description 7
- 230000006641 stabilisation Effects 0.000 abstract 1
- 238000011105 stabilization Methods 0.000 abstract 1
- 238000007792 addition Methods 0.000 description 12
- 229940079593 drug Drugs 0.000 description 9
- 239000003814 drug Substances 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 238000012937 correction Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
- G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means
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Abstract
The present invention provides a kind of decoction constant volume added automatically system,To reach the purpose of automation liquid feeding and decoction addition stabilization,The decoction constant volume added automatically system includes decoction source,Bottom is provided with the container in drain pipe road,Input duct,Siphon piping and control device,The drain pipe road is provided with the first control valve,The input duct is provided with liquid pump,The control device includes liquid level detection device and controller,The controller controls liquid pump liquid feeding to decoction into the container to reach the first default liquid level according to the detected value of the liquid level detection device,After the decoction in the container reaches the described first default liquid level,The siphon pipeline can be by outside the decoction siphon in the container to the container,To cause the decoction in the container to be settled to the second default liquid level,When the decoction that the liquid level detection device is detected in the container is settled to the described second default liquid level,The controller controls the first control valve release decoction.
Description
Technical field
The present invention relates to circuit board production techniques field, specifically, being related to a kind of decoction constant volume added automatically system.
Background technology
Printed circuit board (PCB) (Printed Circuit Board, PCB), is to enter line on base material in a manner of printing
The product of design and the making of road figure.It is almost the basis of any electronic product, with the rapid development of electronic industry, makees
Printed circuit board applications for electronic product basic building block are more and more extensive.
It is dense to the decoction that cleans or/and etch, it is necessary to which decoction is cleaned or/and etched to it during board production
There is degree certain requirement to increase product yield and maintain quality.But during cleaning or/and etching, with production
Continuous progress, liquor strength can be reduced gradually, when liquor strength value reaches lower limit, it is necessary to carry out decoction addition, otherwise can
There is quality problem.Existing addition manner typically has several plate additions and area to add two kinds, typically using manual type or horse
Decoction is added to meet the stability of processing procedure drug slot herb liquid concentration up to quantitative addition manner.But pass through the side of artificial liquid feeding
Formula is not only added frequently, and labor intensity is big, so as to add cost of labor, and easily causes human error, or even easily cause
Leakage adds caused by human factor；Although automation is realized by the quantitative addition manner of motor, but because of liquid pump usage time mistake
Relatively large deviation occurs in liquid pump flow when long, and is not easy to be found during deviation generation.
Therefore, it is necessary to existing liquid feeding mode is further improved, to avoid drawbacks described above.
The content of the invention
In order to solve the above-mentioned technical problem, the present invention provides a kind of decoction constant volume added automatically system, and the decoction constant volume is certainly
Dynamic add-on system can not only realize automation liquid feeding, and decoction addition is stable.
Technical scheme is as follows：
A kind of decoction constant volume added automatically system, including：
Decoction source, for providing decoction；
Container, its bottom are provided with drain pipe road, and the drain pipe road is provided with the first control valve；
Input duct, for the decoction in the decoction source to be delivered in the container, the input duct is provided with liquid pump；
Siphon piping, its one end is in the container, and the other end is outside the container；
Control device, including for detecting the liquid level detection device of the liquid level in the container and being controlled respectively with described first
The controller of valve, the liquid pump and liquid level detection device connection, wherein,
The controller is used to controlling the liquid pump according to the detected value of the liquid level detection device that liquid feeding to be extremely into the container
Decoction in the container reaches the first default liquid level；
After the decoction in the container reaches the described first default liquid level, the siphon pipeline can be by the decoction in the container
Outside siphon to the container, to cause the decoction in the container to be settled to the second default liquid level, wherein, described first is default
Liquid level is more than the described second default liquid level；
When the decoction that the liquid level detection device is detected in the container is settled to the described second default liquid level, the control
Device is additionally operable to control the first control valve release decoction.
In a preferred embodiment of the decoction constant volume added automatically system provided by the invention, the level sensing dress
The first liquid level sensor and the second liquid level sensor including being connected respectively with the controller are put, the controller is according to
The detected value of first liquid level sensor controls the liquid pump and according to second liquid level sensor control, first control
Valve.
In a preferred embodiment of the decoction constant volume added automatically system provided by the invention, first liquid level passes
Sensor and second liquid level sensor are on the inwall of the container.
In a preferred embodiment of the decoction constant volume added automatically system provided by the invention, the controller is can
Editorial logic controller or single-chip microcomputer.
In a preferred embodiment of the decoction constant volume added automatically system provided by the invention, the input duct
Outlet end is inserted into the bottom of the container and forms a gap with the bottom of the container.
In a preferred embodiment of the decoction constant volume added automatically system provided by the invention, the container is transparent
Container, and the scale of the described first default liquid level and the second default liquid level is carved with the container.
In a preferred embodiment of the decoction constant volume added automatically system provided by the invention, the siphon pipeline bag
Include the siphon port in the container, the liquid outlet outside the container and located at the siphon port and the liquid outlet
Between siphon top, the siphon top is no more than the height of the described first default liquid level.
In a preferred embodiment of the decoction constant volume added automatically system provided by the invention, the liquid outlet and institute
State the connection of decoction source.
In a preferred embodiment of the decoction constant volume added automatically system provided by the invention, the inwall of the container
An overflow launder is provided with, the opening of the overflow launder is concordant with the described second default liquid level, and the siphon port is located at the overflow
In groove.
In a preferred embodiment of the decoction constant volume added automatically system provided by the invention, the height of the siphon port
Degree is no more than the height of the described second default liquid level, and the siphon top is provided with an air inlet pipe, the air inlet pipe be provided with one and
Second control valve of the controller connection, it is described when the decoction in the container is by siphon to the described second default liquid level
Controller controls second control valve to destroy siphonic effect, make it that it is default that the decoction in the container is settled to described second
Liquid level.
Decoction constant volume added automatically system provided in an embodiment of the present invention, there is following technique effect：
First, the decoction constant volume added automatically system includes decoction source, bottom container, input duct, rainbow provided with drain pipe road
Suction pipe road and control device, the drain pipe road are provided with the first control valve, and the input duct is provided with liquid pump, the control
Device includes liquid level detection device and controller, and the controller controls the liquid according to the detected value of the liquid level detection device
Pump liquid feeding to decoction into the container reaches the first default liquid level, when the decoction in the container reaches the first default liquid level
Afterwards, the siphon pipeline is by outside the decoction siphon in the container to the container, to cause the decoction in the container to determine
Hold to the described second default liquid level, when the decoction that the liquid level detection device is detected in the container, to be settled to described second pre-
If during liquid level, the controller controls the first control valve release decoction, so as to realize automation liquid feeding, and decoction
Addition is stable.
2nd, connected by the liquid outlet with the decoction source, the described second default liquid level will be exceeded in the container
Decoction be recycled to the decoction source, so as to reduce the waste of decoction, saved production cost.
3rd, by the outlet end of the input duct is inserted into the container bottom and with the bottom shape of the container
Into a gap, so as to reduce what is formed after the decoction in the decoction source is delivered in the container by the input duct
Surge, and then the decoction for being advantageous to improve in the container is settled to the precision of the described second default liquid level.
4th, by the way that the container is arranged into transparent vessel, and the described first default liquid level and institute are carved with the container
The scale of the second default liquid level is stated, so as to be easy to observe the decoction constant volume added automatically system in use, in the liquid
Medicine when decoction of the pump into the container in liquid feeding to the container reaches the described first default liquid level and in the container
Whether liquid occurs deviation when being settled to the described second default liquid level, and then can be in order to the decoction constant volume added automatically system
Correction and maintenance.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings other
Accompanying drawing, wherein：
Fig. 1 is the structural representation of the decoction constant volume added automatically system embodiment one of the present invention；
Fig. 2 is the structural representation of the decoction constant volume added automatically system embodiment two of the present invention.
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 describes, it is clear that described embodiment is only the part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
It is to be appreciated that the directional instruction of institute in the embodiment of the present invention（Such as up, down, left, right, before and after ...）Only use
In explanation in a certain particular pose（As shown in drawings）Under relative position relation between each part, motion conditions etc., if should
When particular pose changes, then directionality instruction also correspondingly changes therewith.
In addition, in the present invention such as relating to the description of " first ", " second " etc. be only used for describe purpose, and it is not intended that
Indicate or imply its relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ",
At least one this feature can be expressed or be implicitly included to the feature of " second ".In the description of the invention, " multiple " contain
Justice is at least two, such as two, three etc., unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " connection ", " fixation " etc. should be interpreted broadly,
For example, " fixation " can be fixedly connected or be detachably connected, or integrally；Can be mechanically connect or
Electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, can be the connection or two of two element internals
The interaction relationship of individual element, limited unless otherwise clear and definite.For the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In addition, the technical scheme between each embodiment of the present invention can be combined with each other, but must be general with this area
Logical technical staff can be implemented as basis, will be understood that when the combination appearance of technical scheme is conflicting or can not realize this
The combination of technical scheme is not present, also not within the protection domain of application claims.
Embodiment one
Referring to Fig. 1, it is the structural representation of the decoction constant volume added automatically system embodiment one of the present invention.The decoction constant volume
Added automatically system 100 is used for into drug slot A the decoction of addition constant volume automatically, and it includes decoction source 100, container 13, entered
Liquid pipe road 15, siphon piping 17 and control device 19, the decoction source 10 are used to provide decoction, and the bottom of container 13 is provided with out
Liquid pipe road 131, the drain pipe road 131 are provided with the first control valve 133, and the input duct 15 is used for the decoction source 10
Interior decoction is delivered in the container 13, and the input duct 15 is provided with liquid pump 151, and one end of the siphon piping 17 is set
In in the container 13, outside the container 13, the control device 19 includes being used to detect in the container 13 other end
Liquid level liquid level detection device 191 and respectively with first control valve 133, the liquid pump 151 and the level sensing fill
The controller 193 of 191 connections is put, wherein,
The controller 193 is used to control the liquid pump 151 to the container according to the detected value of the liquid level detection device 191
Decoction in 13 in liquid feeding to the container 13 reaches the first default liquid level；
After the decoction in the container 13 reaches the described first default liquid level, the siphon pipeline 17 can be by the container 13
Decoction siphon to the container 13 outside, to cause the decoction in the container 13 to be settled to the described second default liquid level, its
In, the described first default liquid level is more than the described second default liquid level（That is, the liquid pump 151 adds into the container 13
Liquid speed degree is more than the siphon speed of the siphon pipeline 17, so that the decoction in the container 13 reaches described first
Default liquid level）；
When the decoction that the liquid level detection device 191 is detected in the container 13 is settled to the described second default liquid level, institute
Controller 193 is stated to be additionally operable to control the first control valve release decoction.
The siphon pipeline 17 includes siphon port 171 in the container 13, goes out liquid outside the container 13
Mouth 173 and the siphon top 175 between the siphon port 171 and the liquid outlet 173, the siphon top 175 is not
More than the height of the described first default liquid level.
The decoction source 10 is generally temporary tank or medicinal liquor barrel etc., and the decoction that the decoction source 10 provides is generally mark
The decoction of quasi- concentration, its normal concentration can be needed according to processing or processing technology is modulated, but embodiments of the invention are to described
The concentration for the normal concentration decoction that the type in decoction source 10 and the decoction source 10 provide simultaneously is not specifically limited.
Described second default liquid level can be according to output（Such as by 100 pieces of plate additions once）, but embodiments of the invention
Concrete numerical value to output is simultaneously not specifically limited.
In the present embodiment, the liquid outlet 173 connects with the decoction source 10, described by exceeding in the container 13
The decoction of second default liquid level is recycled to the decoction source 10, so as to reduce the waste of decoction, has saved production cost.
In the present embodiment, the inwall of the container 13 is provided with an overflow launder 135, the opening of the overflow launder 135 with
Described second default liquid level is concordant, and the siphon port 171 is located in the overflow launder 135.
In the present embodiment, the liquid level detection device 191 includes the first liquid level being connected respectively with the controller 193
The liquid level sensor 195 of sensor 194 and second, the controller 193 is according to the detected value control of first liquid level sensor 194
Make the liquid pump 151 and first control valve 133 is controlled according to second liquid level sensor 195.
In the present embodiment, first liquid level sensor 194 and second liquid level sensor 195 can be located at described
On the inwall of container 13.
In the present embodiment, the controller 193 is programmable logic controller or single-chip microcomputer.
In the present embodiment, the outlet end of the input duct 15 be inserted into the container 13 bottom and with the container
One gap is formed on 13 bottom, is delivered to so as to reducing the input duct 15 by the decoction in the decoction source 10 described
The surge formed after in container 13, and then the decoction for being advantageous to improve in the container 13 is settled to the described second default liquid level
Precision.
In the present embodiment, the container 13 is transparent vessel, and the described first default liquid level is carved with the container 13
With the scale of the described second default liquid level, so as to be easy to observe the decoction constant volume added automatically system 100 in use,
When decoction of the liquid pump 151 into the container 13 in liquid feeding to the container 13 reaches the described first default liquid level and institute
State when the decoction in container 13 is settled to the described second default liquid level and deviation whether occurs, and then can determine in order to the decoction
Hold added automatically system 100 to correct and safeguard.
The specific work process of the decoction constant volume added automatically system 100 is：
When needing the liquid feeding into the drug slot A, the controller 193 controls the liquid pump 151 liquid feeding into the container 13,
When the decoction that first liquid level sensor 194 is detected in the container 13 reaches the first default liquid level, the controller
The 193 control liquid pumps 151 are stopped, under the siphonage of the siphon pipeline 17, the decoction quilt in the container 13
Outside siphon to the container 13, because the presence of the overflow launder 135 can cause the decoction in the container 13 to be settled to
Described second default liquid level, when the decoction that second liquid level sensor 195 is detected in the container 13 is settled to described the
During two default liquid levels, the controller 193 controls first control valve 133 to discharge decoction, to cause in the container 13
Decoction is flowed into the drug slot A.
Embodiment two
Referring to Fig. 2, it is the structural representation of the decoction constant volume added automatically system embodiment two of the present invention.The decoction constant volume
Added automatically system 200 is used for into drug slot B the decoction of addition constant volume automatically, and it includes decoction source 20, container 23, feed liquor
Pipeline 25, siphon piping 27 and control device 29, the decoction source 20 are used to provide decoction, and the bottom of container 23 is provided with out liquid
Pipeline 231, the drain pipe road 231 are provided with the first control valve 233, and the input duct 25 is used in the decoction source 20
Decoction be delivered in the container 23, the input duct 25 is provided with liquid pump 251, and one end of the siphon piping 27 is located at
In the container 23, outside the container 23, the control device 29 includes being used to detect in the container 23 other end
The liquid level detection device 291 of liquid level and respectively with first control valve 233, the liquid pump 251 and the liquid level detection device
The controller 293 of 291 connections, wherein,
The controller 293 is used to control the liquid pump 251 to the container according to the detected value of the liquid level detection device 291
Decoction in 23 in liquid feeding to the container 23 reaches the first default liquid level；
After the decoction in the container 23 reaches the described first default liquid level, the siphon pipeline 27 can be by the container 23
Decoction siphon to the container 23 outside, to cause the decoction in the container 23 to be settled to the described second default liquid level, its
In, the described first default liquid level is more than the described second default liquid level（That is, the liquid pump 251 adds into the container 23
Liquid speed degree is more than the siphon speed of the siphon pipeline 27, so that the decoction in the container 23 reaches described first
Default liquid level）；
When the decoction that the liquid level detection device 291 is detected in the container 23 is settled to the described second default liquid level, institute
Controller 293 is stated to be additionally operable to control the first control valve release decoction.
The siphon pipeline 27 includes siphon port 271 in the container 23, goes out liquid outside the container 23
Mouth 273 and the siphon top 275 between the siphon port 271 and the liquid outlet 273, the siphon top 275 is not
More than the height of the described first default liquid level.
The decoction source 20 is generally temporary tank or medicinal liquor barrel etc., and the decoction that the decoction source 20 provides is generally mark
The decoction of quasi- concentration, its normal concentration can be needed according to processing or processing technology is modulated, but embodiments of the invention are to described
The concentration for the normal concentration decoction that the type in decoction source 20 and the decoction source 20 provide simultaneously is not specifically limited.
Described second default liquid level can be according to output（Such as by 100 pieces of plate additions once）, but embodiments of the invention
Concrete numerical value to output is simultaneously not specifically limited.
In the present embodiment, the height of the siphon port 271 is no more than the height of the described second default liquid level, the siphon
Top 275 is provided with an air inlet pipe 276, and the air inlet pipe 276 is provided with second control valve being connected with the controller 293
277, when the decoction in the container 23 is by siphon to the described second default liquid level, the controller 293 controls described second
Control valve 277 destroys siphonic effect, to cause the decoction in the container 23 to be settled to the described second default liquid level.
In the present embodiment, when the decoction in the container 23 is by siphon to the described second default liquid level, the control
Second control valve 277 described in the delay start of device 293 opens the air inlet pipe 276, and time delay is according to the air inlet pipe 276 and institute
The volume for stating the siphon piping 27 between siphon port 271 determines, that is to say, that after being destroyed according to siphonic effect, from institute
Siphon piping 27 is stated to fall after rise to the liquid measure control time delay in the container 23, so as to further improve the container
23 constant volume precision.
In the present embodiment, the liquid outlet 273 connects with the decoction source 20, described by exceeding in the container 23
The decoction of second default liquid level is recycled to the decoction source 20, so as to reduce the waste of decoction, has saved production cost.
In the present embodiment, the liquid level detection device 291 includes the first liquid level being connected respectively with the controller 293
The liquid level sensor 295 of sensor 294 and second, the controller 293 is according to the detected value control of first liquid level sensor 294
Make the liquid pump 251 and first control valve 233 is controlled according to second liquid level sensor 295.
In the present embodiment, first liquid level sensor 294 and second liquid level sensor 295 can be located at described
On the inwall of container 23.
In the present embodiment, the controller 293 is programmable logic controller or single-chip microcomputer.
In the present embodiment, the outlet end of the input duct 25 be inserted into the container 23 bottom and with the container
One gap is formed on 23 bottom, is delivered to so as to reducing the input duct 25 by the decoction in the decoction source 20 described
The surge formed after in container 23, and then the decoction for being advantageous to improve in the container 23 is settled to the described second default liquid level
Precision.
In the present embodiment, the container 23 is transparent vessel, and the described first default liquid level is carved with the container 23
With the scale of the described second default liquid level, so as to be easy to observe the decoction constant volume added automatically system 200 in use,
When decoction of the liquid pump 251 into the container 23 in liquid feeding to the container 23 reaches the described first default liquid level and institute
State when the decoction in container 23 is settled to the described second default liquid level and deviation whether occurs, and then can determine in order to the decoction
Hold added automatically system 200 to correct and safeguard.
The specific work process of the decoction constant volume added automatically system 200 is：
When needing the liquid feeding into the drug slot B, the controller 293 controls the liquid pump 251 liquid feeding into the container 23,
When the decoction that first liquid level sensor 294 is detected in the container 23 reaches the first default liquid level, the controller
The 293 control liquid pumps 251 are stopped, under the siphonage of the siphon pipeline 27, the decoction quilt in the container 23
Outside siphon to the container 23, when the decoction that second liquid level sensor 295 is detected in the container 23 be settled to it is described
During the second default liquid level, when the decoction in the container 23 is by siphon to the described second default liquid level, the controller 293 is controlled
Make second control valve 277 and destroy siphonic effect, to cause the decoction in the container 23 to be settled to the described second default liquid
Position, and then the controller 293 controls first control valve 233 to discharge decoction, to cause the decoction stream in the container 23
Enter in the drug slot B.
It should be noted that in embodiment one and embodiment two, the control of the decoction constant volume added automatically system
Device processed can be connected to a central control system, and sending liquid feeding to the controller by the central control system instructs.
The decoction constant volume added automatically system that above-described embodiment provides, at least with following technique effect：First, the decoction
Constant volume added automatically system includes the container of decoction source, bottom provided with drain pipe road, input duct, siphon piping and control dress
Put, the drain pipe road is provided with the first control valve, and the input duct is provided with liquid pump, and the control device is examined including liquid level
Device and controller are surveyed, the controller controls the liquid pump into the container according to the detected value of the liquid level detection device
Liquid feeding to decoction reaches the first default liquid level, after the decoction in the container reaches the described first default liquid level, the siphon
Pipeline is by outside the decoction siphon in the container to the container, to cause the decoction in the container to be settled to described second
Default liquid level, when the decoction that the liquid level detection device is detected in the container is settled to the described second default liquid level, institute
State controller and control the first control valve release decoction, so as to realize automation liquid feeding, and decoction addition is stable.
2nd, connected by the liquid outlet with the decoction source, the described second default liquid level will be exceeded in the container
Decoction be recycled to the decoction source, so as to reduce the waste of decoction, saved production cost.
3rd, by the outlet end of the input duct is inserted into the container bottom and with the bottom shape of the container
Into a gap, so as to reduce what is formed after the decoction in the decoction source is delivered in the container by the input duct
Surge, and then the decoction for being advantageous to improve in the container is settled to the precision of the described second default liquid level.
4th, by the way that the container is arranged into transparent vessel, and the described first default liquid level and institute are carved with the container
The scale of the second default liquid level is stated, so as to be easy to observe the decoction constant volume added automatically system in use, in the liquid
Medicine when decoction of the pump into the container in liquid feeding to the container reaches the described first default liquid level and in the container
Whether liquid occurs deviation when being settled to the described second default liquid level, and then can be in order to the decoction constant volume added automatically system
Correction and maintenance.
More than, only it is presently preferred embodiments of the present invention, any formal limitation not is made to the present invention, although this
Invention is disclosed above with preferred embodiment, but is not limited to the present invention, any person skilled in the art,
Do not depart from the range of technical solution of the present invention, when the technology contents using the disclosure above make a little change or are modified to equivalent
The equivalent embodiment of change, as long as being without departing from technical solution of the present invention content, the technical spirit according to the present invention is real to more than
Any simple modification, equivalent change and modification that example is made is applied, in the range of still falling within technical solution of the present invention.
Claims (10)
1. a kind of decoction constant volume added automatically system, it is characterised in that decoction constant volume added automatically system includes：
Decoction source, for providing decoction；
Container, its bottom are provided with drain pipe road, and the drain pipe road is provided with the first control valve；
Input duct, for the decoction in the decoction source to be delivered in the container, the input duct is provided with liquid pump；
Siphon piping, its one end is in the container, and the other end is outside the container；
Control device, including for detecting the liquid level detection device of the liquid level in the container and being controlled respectively with described first
The controller of valve, the liquid pump and liquid level detection device connection, wherein,
The controller is used to controlling the liquid pump according to the detected value of the liquid level detection device that liquid feeding to be extremely into the container
Decoction in the container reaches the first default liquid level；
After the decoction in the container reaches the described first default liquid level, the siphon pipeline can be by the decoction in the container
Outside siphon to the container, to cause the decoction in the container to be settled to the second default liquid level, wherein, described first is default
Liquid level is more than the described second default liquid level；
When the decoction that the liquid level detection device is detected in the container is settled to the described second default liquid level, the control
Device is additionally operable to control the first control valve release decoction.
2. decoction constant volume added automatically system according to claim 1, it is characterised in that the liquid level detection device includes
The first liquid level sensor and the second liquid level sensor being connected respectively with the controller, the controller is according to first liquid
The detected value of level sensor controls the liquid pump and controls first control valve according to second liquid level sensor.
3. decoction constant volume added automatically system according to claim 2, it is characterised in that first liquid level sensor and
Second liquid level sensor is on the inwall of the container.
4. decoction constant volume added automatically system according to claim 1, it is characterised in that the controller is patrolled for editable
Collect controller or single-chip microcomputer.
5. decoction constant volume added automatically system according to claim 1, it is characterised in that the outlet end of the input duct
It is inserted into the bottom of the container and forms a gap with the bottom of the container.
6. decoction constant volume added automatically system according to claim 1, it is characterised in that the container is transparent vessel,
And the scale of the described first default liquid level and the second default liquid level is carved with the container.
7. decoction constant volume added automatically system according to claim 1, it is characterised in that the siphon pipeline includes being located at
Siphon port in the container, the liquid outlet outside the container and between the siphon port and the liquid outlet
Siphon top, the siphon top are no more than the height of the described first default liquid level.
8. decoction constant volume added automatically system according to claim 7, it is characterised in that the liquid outlet and the decoction
Source connects.
9. the decoction constant volume added automatically system according to claim 7 or 8, it is characterised in that on the inwall of the container
Provided with an overflow launder, the opening of the overflow launder is concordant with the described second default liquid level, and the siphon port is located at the overflow launder
It is interior.
10. the decoction constant volume added automatically system according to claim 7 or 8, it is characterised in that the height of the siphon port
No more than the height of the described second default liquid level, the siphon top is provided with an air inlet pipe, and the air inlet pipe is provided with one and institute
The second control valve of controller connection is stated, when the decoction in the container is by siphon to the described second default liquid level, the control
Device processed controls second control valve to destroy siphonic effect, to cause the decoction in the container to be settled to the described second default liquid
Position.
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| CN201711129410.6A CN107797576B (en) | 2017-11-15 | 2017-11-15 | Automatic adding system for constant volume of liquid medicine |
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| CN107797576B CN107797576B (en) | 2024-01-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109172963A (en) * | 2018-10-19 | 2019-01-11 | 杭州光启医疗科技发展有限公司 | Atomization physical therapy equipment with successive administration function |
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| CN107797576B (en) | 2024-01-02 |
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