CN206945722U - A kind of automatic liquid feeder - Google Patents
A kind of automatic liquid feeder Download PDFInfo
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- CN206945722U CN206945722U CN201720678005.9U CN201720678005U CN206945722U CN 206945722 U CN206945722 U CN 206945722U CN 201720678005 U CN201720678005 U CN 201720678005U CN 206945722 U CN206945722 U CN 206945722U
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Abstract
It the utility model is related to charging control technique field, there is provided a kind of automatic liquid feeder, including：Sample selecting unit and sampling article unit；The sample selecting unit has several outlets and an injection port, wherein each outlet connects a casing liquid outlet, the liquid outlet of injection port connection sampling article unit respectively, the inlet for article unit of sampling connects the drain pipe road of liquid container to be added.Further, described device also includes：Arrival end and the port of export connect the check valve of sampling article unit liquid outlet and sample selecting unit injection port respectively, and the control unit being electrically connected respectively with sample selecting unit and sampling article unit, for controlling the different output modes of different outlets output samples and different outlets according to setting.Automatic liquid feeder provided by the utility model, liquid feeding is convenient, can realize that multichannel flexibly selects, and liquid feeding pipeline is corrosion-resistant, and liquid volume added and liquid feeding mode can be set, and job stability is high, practical.
Description
Technical field
Charging control technique field is the utility model is related to, more particularly, to a kind of automatic liquid feeder.
Background technology
In career fields such as production, scientific research, teaching and environmental monitorings, it is often necessary to frequently added in processing procedure various
Quantitative reagent.
The method that currently used liquid feeding method is included manual liquid feeding method and liquid feeding is carried out using all kinds of liquid-adding devices.Hand
Work liquid feeding process operation is cumbersome, and operating efficiency is low, and need by the number of containers of liquid feeding it is more when, more waste time and energy, easily
Error.
And it is applied to the automatic liquid feeder in the fields such as scientific research at present, generally existing volume is big, pipeline is more, connection is inconvenient
And control the problems such as dumb.
Utility model content
The purpose of this utility model is, there is provided a kind of automatic liquid feeder, to solve to use prior art liquid feeding process
Present in the problems such as liquid feeding is inconvenient, efficiency is low and control is dumb.
In order to overcome above mentioned problem or solve the above problems at least in part, the utility model provides a kind of automatic liquid-feeding
Device, including：Sample selecting unit and sampling article unit.The sample selecting unit has several outlets and a sample introduction
Mouthful, each outlet of the sample selecting unit connects a casing liquid outlet, the sample introduction of the sample selecting unit respectively
The liquid outlet of the mouth connection sampling article unit, the inlet of the sampling article unit connect the drain pipe of liquid container to be added
Road.
Further, described device also includes electric between the sample selecting unit and the sampling article unit respectively
The control unit of connection, described control unit control the sample selecting unit difference outlet to export sample and institute according to setting
State the different output modes of sample selecting unit difference outlet.
Wherein, the sample selecting unit includes：Electrokinetic injection valve, some outlets match somebody with somebody circuits and an injection port
With circuits.Each outlet of the electrokinetic injection valve is connected described in one by an outlet with circuits respectively
Casing liquid outlet, the injection port of the electrokinetic injection valve connect going out for the sampling article unit by the injection port with circuits
Liquid mouth, the electrical connection port connection described control unit of the electrokinetic injection valve.
Wherein, the sampling article unit includes：Wriggling pump motor, Wriggling Pump Head and wriggling match somebody with somebody circuits.The wriggling is matched somebody with somebody
The outlet end of circuits connects the injection port of the sample selecting unit, the inlet end connection institute wriggled with circuits
State the drain pipe road of liquid container to be added.It is electrically connected between the wriggling pump motor and described control unit, the wriggling
Mechanically connected between pump motor and the Wriggling Pump Head, described control unit drives the peristaltic pump by the wriggling pump motor
Head is matched somebody with somebody in the wriggling wriggles in circuits.
Further, arranged between the injection port of the sample selecting unit and the liquid outlet of the sampling article unit single
To valve.The check valve arrival end connection it is described sampling article unit liquid outlet, the check valve the port of export connection described in
The injection port of sample selecting unit.
Wherein, the tactile liquid material of the electrokinetic injection valve and the check valve use inert material.
Further, described device also includes：Connect described wriggle with circuits outlet end and sample selection list
The connecting tube and jointing of first injection port.
Wherein, described control unit includes：Electrical control central part and control panel.The electrical control central part difference
It is electrically connected between the control panel, the sample selecting unit and the sampling article unit, passes through the control panel
Setting control information is input to the electrical control central part.
Further, described control unit also includes：Display panel.The display panel and the electrical control central part
Between be electrically connected, for show it is described sampling article unit running status and the setting control information.
Further, described control unit also includes driving power, the driving power and the electrical control central part
Electrical connection, the driving power electrically connect with the sampling article unit.
A kind of automatic liquid feeder provided by the utility model, by setting sample selecting unit, annex solution is treated in realization
The shunting action of body；By setting control unit, realize and effect is automatically controlled to liquid feeding process；Liquid feeding is convenient, can realize more
Road flexibly selects, and liquid feeding pipeline is corrosion-resistant, and liquid volume added and liquid feeding mode can be set, and job stability is high, service life length, tool
There is very strong practicality.
Brief description of the drawings
Fig. 1 is a kind of structural representation of automatic liquid feeder of the utility model embodiment；
Fig. 2 is that a kind of sample selecting unit gateway of the utility model embodiment is distributed front schematic view.
Embodiment
To make the purpose of this utility model, technical scheme and advantage clearer, implement below in conjunction with the utility model
Accompanying drawing in example, the technical scheme in the utility model is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present utility model, rather than whole embodiments.It is general based on the embodiment in the utility model, this area
The every other embodiment that logical technical staff is obtained on the premise of creative work is not made, belongs to the utility model
The scope of protection.
As one embodiment of the utility model embodiment, the present embodiment provides a kind of automatic liquid feeder, reference chart
1, it is a kind of structural representation of automatic liquid feeder of the utility model embodiment, including：Sample selecting unit 1 and sample drawing list
Member 2.
Wherein, entrance distribution reference Fig. 2 of sample selecting unit 1, it is a kind of sample of the utility model embodiment
Selecting unit gateway is distributed front schematic view, including several outlets 101 and an injection port 102, and sample selects in Fig. 1
Each outlet 101 of unit 1 connects a casing liquid outlet respectively, and the injection port 102 of sample selecting unit 1 connects sample drawing
The liquid outlet of unit 2, the inlet of sampling article unit 2 connect the drain pipe road of liquid container to be added.
In one embodiment, described device also includes：The connection sampling liquid outlet of article unit 2 enters with sample selecting unit 1
The connecting tube and jointing of sample mouth.
Specifically, sample selecting unit 1 and sampling article unit 2 are fixedly installed in automatic liquid feeder casing, automatically
Liquid-adding device casing is provided with several casing liquid outlets.The inlet of sampling article unit 2 passes through external jointing and connection
Pipeline is connected to the drain pipe road of liquid container to be added, and the liquid outlet of sampling article unit 2 passes through jointing and connecting pipe
Be connected to the injection port of sample selecting unit 1, each outlet of sample selecting unit 1 again respectively by corresponding jointing and
Connecting pipe connects a casing liquid outlet in internal side of shell.The outside of corresponding casing liquid outlet is again respectively by different external
Jointing and connecting pipe, which are connected to, each treats liquid feeding reaction vessel.
When needing to carry out liquid feeding, control driving sampling article unit 2 starts, and sampling article unit 2, will under driving force effect
Liquid in liquid container to be added is progressively transferred to the injection port of sample selecting unit 1.The sample selection of reselection control afterwards
Need passage corresponding to the outlet of liquid feeding to open in unit 1, realize the shunting that liquid is conveyed to sampling article unit 2.
The outlet that passage is opened in sample selecting unit 1 will have liquid outflow, and corresponding machine is flowed to through connecting pipe
Shell liquid outlet, then the external pipe by being connected with casing liquid outlet flow into it is each it is corresponding treat liquid feeding reaction vessel, realize and add automatically
Hydraulic control system.
Wherein as preferably, sample selecting unit 1 includes：Electrokinetic injection valve, some outlets match somebody with somebody circuits and one
Bar injection port matches somebody with somebody circuits.Each outlet of the electrokinetic injection valve is connected by an outlet with circuits respectively
One casing liquid outlet, the injection port of the electrokinetic injection valve connect the sample drawing by the injection port with circuits
The liquid outlet of unit, the electricity electrical system access port connection described control unit of the electrokinetic injection valve.
Sampling article unit 2 includes：Wriggling pump motor, Wriggling Pump Head and wriggling match somebody with somebody circuits.It is described to wriggle with circuits
Outlet end connects the injection port of the sample selecting unit, and the inlet end with circuits of wriggling connects described to be added
The drain pipe road of liquid container.Mechanically connected between the wriggling pump motor and the Wriggling Pump Head, control unit passes through described
The wriggling pump motor driving Wriggling Pump Head is matched somebody with somebody in the wriggling wriggles in circuits.
For example, electrokinetic injection valve of the selection outlet quantity for 6~12, corresponding sample selecting unit 1 have 6~12
Outlet matches somebody with somebody circuits with circuits and an injection port.The one end of these outlets with circuits is separately fixed at a casing
The inner side of liquid outlet, the other end connect on 6~12 outlets of sample selecting unit 1 respectively.Electrokinetic injection valve again with control
Electrical connection is established between unit 3.
Port diameter is arranged to the selection of the outlet multidigit of 1.5mm, pressure-resistant 80psi, 6 to 12, rotor and stator perfect matching,
Reach high service life and splendid sealing job stability is high, service life length, multichannel flexibly selects, predeterminable
Put.
A kind of automatic liquid feeder that the utility model embodiment provides, by setting article unit 2 of sampling, it is possible to achieve high
Precision liquid feeding, the shunting action on demand for treating adding liquid is realized by sample selecting unit afterwards；Liquid feeding is convenient, can realize multichannel
Flexibly selection, and job stability is high, service life length, has very strong practicality.
Further, on the basis of above-described embodiment, described device also include respectively with sample selecting unit 1 and sampling
The control unit 3 being electrically connected between article unit 2, control unit 3 control path selection and the sample drawing list of sample selecting unit 1
The running status of member 2.
Specifically, together integrated installation fills in automatic liquid-feeding for control unit 3 and sample selecting unit 1 and sampling article unit 2
Put in casing, electrical connection is established respectively between control unit 3 and sample selecting unit 1 and sampling article unit 2.
When needing to be controlled liquid feeding process, the control driving sampling article unit 2 of control unit 3 acts, sample drawing list
Liquid in liquid container to be added is progressively transferred to the injection port of sample selecting unit 1 by member 2 under driving force effect.It
Correspond to the liquid demand information of reaction vessel, selection control pair according to 1 each outlet of sample selecting unit by control unit 3 again afterwards
The outlet passage answered is opened, and realizes the shunting that liquid is conveyed to sampling article unit 2.
Meanwhile control unit 3 can also be controlled to the running status for article unit 2 of sampling, such as controlled sampling product list
Start and stop, rotating and velocity of rotation of member 2 etc..
In one embodiment, liquid volume added and liquid feeding mode of the control unit 3 also to sample selecting unit 1 are controlled.
Specifically, during liquid feeding control is carried out, the meeting basis of control unit 3 accordingly treats liquid in liquid feeding reaction vessel
Conditions of demand control liquid volume added and liquid feeding mode, and such as according to the liquid volume added of setting, continuously or discontinuously specified containers are added
Liquid.
In one embodiment, wriggling pump motor is arranged to stepper motor.By control unit 3 stepping can be controlled electric
Start-stop, rotating and the rotating speed of machine, so as to realize the regulation to liquid volume added and liquid feeding speed.
During liquid feeding, control unit 3 drives Wriggling Pump Head supporting in wriggling by being electrically connected control wriggling pump motor
Liquid is extruded on pipeline to electrokinetic injection valve flow, after liquid flows into electrokinetic injection valve by the injection port of electrokinetic injection valve, control
Unit 3 processed sends selection control instruction to electrokinetic injection valve, controls passage corresponding to corresponding outlet to open, liquid is again by beating
Casing liquid outlet corresponding to each passage flow direction opened, is finally flowed to by casing liquid outlet and specifies reaction vessel to carry out liquid feeding.
A kind of automatic liquid feeder that the utility model embodiment provides, by setting control unit, can realize pair plus
The flexible automatic control action of liquid process；Make liquid volume added and liquid feeding mode etc. settable, at the same can control it is continuously or discontinuously right
Specified containers carry out liquid feeding.
Further, on the basis of above-described embodiment, injection port and article unit 2 of sampling in sample selecting unit 1
Check valve is arranged between liquid outlet.The liquid outlet of the arrival end connection sampling article unit 2 of the check valve, the check valve go out
The injection port of mouth end connection sample selecting unit 1.
As preferable, the tactile liquid material of the electrokinetic injection valve and the check valve use inert material.
The present embodiment after sample selecting unit 1 specifically, sometimes need to add gas material, gas pressure may make
Liquid backflows, i.e., gas, which can oppress liquid and be wriggled by electrokinetic injection valve flow direction, matches somebody with somebody circuits.In order to avoid such case is sent out
It is raw, in electrokinetic injection valve and between wriggling with circuits, check valve is set.
The arrival end connection of check valve, which is wriggled, match somebody with somebody circuits, the inlet of port of export connection electrokinetic injection valve, i.e., it is electronic enter
The injection port of sample valve.Liquid so in pipeline can only flow to electrokinetic injection valve by sampling article unit 2, and can not be by electrokinetic injection
Valve flow direction sampling article unit 2, realizes check function.Check valve can also be realized to the filtration by liquid simultaneously.
In addition, tactile the liquid material and check valve of electrokinetic injection valve use inert material, touching for electrokinetic injection valve is such as selected
Liquid material is four fluorine class materials, can be resistant to a variety of corrosive chemicals, and the tactile liquid material of valve inner is mutually matched, can had
Effect forms sealing, prevents from revealing.
Check valve elects full inert fluid material, no metal parts as, and membrane material selects Viton, valve body material selection PEEK,
Start pressure 0.8psi.It is pollution-free to liquid, it is reliable and stable.
A kind of automatic liquid feeder that the utility model embodiment provides, by sample selecting unit 1 and sample drawing
Check valve is set between unit 2, can play good non-return and filtration to liquid in system, while check valve and electronic
The tactile liquid material of sampling valve uses inert material, can be resistant to a variety of corrosive chemicals, and pollution-free to liquid, and stabilization can
Lean on.
Wherein, further comprised according to above-described embodiment, control unit 3：Electrical control central part and control panel.It is described
Electrical control central part electrically connects between the control panel, the sample selecting unit and the sampling article unit respectively
Connect, the electrical control central part is input to by control information is set by the control panel.
Specifically, the core that electrical control central part controls as automatic liquid-feeding, with control panel, sample selecting unit 1
All being established between sampling article unit 2 has electrical connection, for obtaining control setting and the system fortune by control panel input
Row status information.Electrical control central part needs to analyze and process the information of acquisition simultaneously, and export control policy.Example
Such as, when needing to carry out liquid feeding, start wriggling pump motor driving Wriggling Pump Head and convey liquid to be added；Being up in liquid volume added needs
During the amount of asking, control reduces peristaltic pump motor speed, to reduce liquid feeding flow.
, can be by liquid feeding process control simultaneously by the electrical connection between control panel and electrical control central part
Setting value is input to electrical control central part.For example the on off button on control panel can be pressed to select to start and stop
Automatic liquid feeder, can also be according to actual liquid feeding demand, the spirit between 0~36mL/min by sampling article unit liquid feeding flow
Setting living etc..
A kind of automatic liquid feeder that the utility model embodiment provides, by setting control panel in a control unit,
Control process parameter can flexibly be set, it is convenient and practical.
Further, on the basis of above-described embodiment, control unit 3 also includes：Display panel.The display panel with
It is electrically connected between the electrical control central part, for the running status for showing the sampling article unit and the setting control
Information.
Specifically, for running state parameter and setup parameter in control process, can be by electrical control central part
It is transported to by its electrical connection between display panel in display panel, display panel is shown to these parameters again,
Staff is facilitated to get information about the running status of current automatic liquid feeder.
A kind of automatic liquid feeder that the utility model embodiment provides, by setting display panel in a control unit,
Running state parameter in control process and setup parameter etc. can intuitively be shown, facilitate staff intuitively
Current operating conditions are solved, in favor of being made the appropriate adjustments according to current operating conditions.
Further, control unit 3 also includes driving power, and the driving power is electrically connected with the electrical control central part
Connect, the driving power electrically connects with the sampling article unit, to provide operation for electrical control central part and sampling article unit
Required electric energy.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should be understood：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part technical characteristic is equally replaced
Change；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the utility model technical scheme
Spirit and scope.
Claims (10)
- A kind of 1. automatic liquid feeder, it is characterised in that including：Sample selecting unit and sampling article unit；The sample selecting unit has several outlets and an injection port, each outlet of the sample selecting unit A casing liquid outlet, the liquid outlet of the injection port connection sampling article unit of the sample selecting unit, institute are connected respectively The inlet for stating sampling article unit connects the drain pipe road of liquid container to be added.
- 2. device according to claim 1, it is characterised in that also include：Respectively with the sample selecting unit and described The control unit being electrically connected between sampling article unit；Described control unit controls the sample selecting unit difference outlet to export sample and sample selection according to setting The different output modes of unit difference outlet.
- 3. device according to claim 2, it is characterised in that the sample selecting unit includes：It is electrokinetic injection valve, some Bar outlet matches somebody with somebody circuits with circuits and an injection port；Each outlet of the electrokinetic injection valve connects a casing by an outlet with circuits respectively Liquid outlet, the injection port of the electrokinetic injection valve go out liquid by the injection port with the circuits connection sampling article unit Mouthful, the electrical connection port connection described control unit of the electrokinetic injection valve.
- 4. device according to claim 2, it is characterised in that the sampling article unit includes：Wriggling pump motor, peristaltic pump Head and wriggling match somebody with somebody circuits；The outlet end with circuits of wriggling connects the injection port of the sample selecting unit, described to wriggle with circuits Inlet end connects the drain pipe road of the liquid container to be added；It is electrically connected between the wriggling pump motor and described control unit, between the wriggling pump motor and the Wriggling Pump Head Mechanically connect, described control unit drives the Wriggling Pump Head to be wriggled described with compacted in circuits by the wriggling pump motor It is dynamic.
- 5. device according to claim 3, it is characterised in that injection port and the sampling in the sample selecting unit Check valve is arranged between the liquid outlet of article unit；The liquid outlet of the arrival end connection sampling article unit of the check valve, the port of export of the check valve connect the sample The injection port of product selecting unit.
- 6. device according to claim 5, it is characterised in that the tactile liquid material of the electrokinetic injection valve and the check valve Use inert material.
- 7. device according to claim 4, it is characterised in that also include：Connect the wriggling and match somebody with somebody circuits outlet end With the connecting tube and jointing of the sample selecting unit injection port.
- 8. device according to claim 2, it is characterised in that described control unit includes：Electrical control central part and control Panel processed；The electrical control central part is respectively between the control panel, the sample selecting unit and the sampling article unit Electrical connection, the electrical control central part is input to by control information is set by the control panel.
- 9. device according to claim 8, it is characterised in that described control unit also includes：Display panel；It is electrically connected between the display panel and the electrical control central part, for showing the operation of the sampling article unit State and the setting control information.
- 10. device according to claim 8, it is characterised in that described control unit also includes driving power, the driving Power supply electrically connects with the electrical control central part, and the driving power electrically connects with the sampling article unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720678005.9U CN206945722U (en) | 2017-06-12 | 2017-06-12 | A kind of automatic liquid feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720678005.9U CN206945722U (en) | 2017-06-12 | 2017-06-12 | A kind of automatic liquid feeder |
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| Publication Number | Publication Date |
|---|---|
| CN206945722U true CN206945722U (en) | 2018-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720678005.9U Active CN206945722U (en) | 2017-06-12 | 2017-06-12 | A kind of automatic liquid feeder |
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| CN (1) | CN206945722U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112729958A (en) * | 2021-01-11 | 2021-04-30 | 吉林大学 | Pipetting device and pipetting control method |
-
2017
- 2017-06-12 CN CN201720678005.9U patent/CN206945722U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112729958A (en) * | 2021-01-11 | 2021-04-30 | 吉林大学 | Pipetting device and pipetting control method |
| CN112729958B (en) * | 2021-01-11 | 2023-09-26 | 吉林大学 | Pipetting device and pipetting control method |
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