CN105233751A - Multi-medicine liquid quantitative matching device - Google Patents
Multi-medicine liquid quantitative matching device Download PDFInfo
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- CN105233751A CN105233751A CN201510689972.0A CN201510689972A CN105233751A CN 105233751 A CN105233751 A CN 105233751A CN 201510689972 A CN201510689972 A CN 201510689972A CN 105233751 A CN105233751 A CN 105233751A
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Abstract
The invention provides a multi-medicine liquid quantitative matching device which comprises a tank to undergo liquid adding and a plurality of liquid adding devices located above the tank to undergo liquid adding. Medicine liquids corresponding to the liquid adding devices are added quantitatively into the tank to undergo liquid according to predetermined matching. Each liquid adding device comprises a liquid inlet mechanism, a quantitative tank, a liquid discharging mechanism and a controller, the liquid inlet mechanism comprises a liquid inlet pipe and a liquid inlet valve, the liquid inlet valve is installed on the liquid inlet pipe, and the liquid inlet pipe is communicated with the quantitative tank. The liquid discharging mechanism comprises a liquid discharging pipe and a liquid discharging adjusting component, the liquid discharging adjusting component is arranged on the liquid discharging pipe, one end of the liquid discharging pipe is communicated with the quantitative tank, the other end of the liquid discharging pipe is communicated with the tank to undergo liquid adding, and the quantitative tank is provided with a liquid level switch and a liquid level observation tube. According to the multi-medicine liquid quantitative matching device, accurate control of multi-medicine liquid matching proportions and total can be achieved, and the product quality is improved greatly.
Description
Technical field
The present invention relates to chemical-treating facility field, particularly relate to a kind of multiple medicines liquid quantitative proportioning device.
Background technology
In field of photovoltaic technology, usually need to carry out various wet processing to solar cell substrate, such as, wet etching trimming etc.Equally, in printed circuit board (PCB) (PCB) technical field, printed circuit board is important electronic unit, is the supporter of electronic devices and components, is the supplier of electronic devices and components electrical connection, also needs to carry out multistep wet processing.In wet processing process, multiple-medicinal-liquid is needed to be supplied to dipper, the ratio of each liquid proportion and the whether accurate of total amount directly can affect quality and the rework rate of product, therefore, the ratio of each liquid proportion and total amount need accurately to control, in process of production, need to supplement corresponding liquid in time according to output.
In dipper, supply liquid by multiple stage constant displacement pump at present, existing constant displacement pump generally all adopts the comparatively complicated structure such as change-speed gearing or screw rod to reach the object quantitatively exported, not only acquisition cost is high, accuracy is not high, and is not easy to measure and calibration.
In prior art, when multiple interpolation box quantitatively adds liquid in dipper, fix owing to adding box volume, the liquid of a whole box can only be added at every turn, not only can not realize multiple medicines liquid to add in preset blending ratio ratio, and the amount that each liquid adds can not be controlled.Moreover if when each liquid addition changes, all need to recalibrate every platform constant displacement pump, adding procedure is complicated.
Given this, be necessary to research and develop a kind of multiple medicines liquid quantitative proportioning device, thus realize the accurate control of multiple medicines liquid ratio and total amount.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of multiple medicines liquid quantitative proportioning device, it can realize the accurate control of multiple medicines liquid ratio and total amount.
In order to solve the problems of the technologies described above, the invention provides a kind of multiple medicines liquid quantitative proportioning device, comprise treat liquid feeding case and treat described in being positioned at above liquid feeding case multiple and add liquid device, described multiple add each liquid corresponding in liquid device quantitatively add by preset blending ratio described in treat in liquid feeding case
Each liquid device that adds comprises feed liquor mechanism, quantitatively case, drainage mechanism and controller,
Described feed liquor mechanism comprises feed tube and liquid feed valve, and described feed tube is provided with described liquid feed valve, and described feed tube is communicated with described quantitative case,
Described drainage mechanism comprises discharging tube and discharge opeing adjustment member, and described discharge opeing adjustment member is arranged on described discharging tube, and described discharging tube one end is communicated with described quantitative case, with described, the described discharging tube other end treats that liquid feeding case is communicated with,
Described quantitative case is provided with liquid-level switch and liquid level observation pipe, and described liquid-level switch can send signal when liquid level reaches liquid-level switch position to described controller, and described controller is for controlling the opening and closing of described liquid feed valve and described tapping valve.
According to the present invention one preferred embodiment, described multiple to add in liquid device corresponding each liquid by preset blending ratio simultaneously or not simultaneous quantitative add described in treat in liquid feeding case.
According to the present invention one preferred embodiment, it also comprises the gripper shoe for supporting described quantitative case, and described gripper shoe is between described quantitative case and drainage mechanism.
According to the present invention one preferred embodiment, it is individual that the quantity of each discharging tube and discharge opeing adjustment member that add liquid device is N (N > 1),
Wherein 1 described discharge opeing adjustment member is tapping valve, and discharge opeing adjustment member described in all the other comprises tapping valve and is arranged on the current limliting joint of tapping valve water outlet, and described current limliting joint is for controlling the flow velocity of liquid.
According to the present invention one preferred embodiment, the quantity of each discharging tube and discharge opeing adjustment member that add liquid device is 1,
This discharge opeing adjustment member is tapping valve, or this discharge opeing adjustment member comprises tapping valve and current limliting joint, and described current limliting joint is arranged on tapping valve water outlet.
According to the present invention one preferred embodiment, described current limliting joint comprises by making sleeve, by making sealing ring, flow regulator pieces, flow regulator pieces sealing ring, by making nut and by making flange, described by making sleeve lower surface be provided with the first groove, described first groove is described by making sealing ring for placing, described flow regulator pieces upper end is inserted in described by making in sleeve, described flow regulator pieces lower surface is provided with the second groove, described second groove is for placing described flow regulator pieces sealing ring, described flow regulator pieces lower surface is close to described by making flange upper surface, described by making flange run through described by making nut, described by making the internal thread of nut and described by making the external screw thread of sleeve be connected.
According to the present invention one preferred embodiment, be provided with through hole in the middle of described flow regulator pieces, the epimere of described through hole is conical bore, and the hypomere of described through hole is cylindrical hole, and wherein, coning angle is 80 ° ~ 130 °, and the cylindrical hole degree of depth is 3 ~ 10 times of cylindrical hole aperture.
According to the present invention one preferred embodiment, described liquid-level switch is photoelectric liquid-level switch, float type level switch, capacitor hydraulic switch, ultrasonic liquid level switch or static pressure type liquid-level switch, the quantity of described liquid-level switch is 3, identify liquid level H1, liquid level H2, liquid level H3 successively from top to bottom, the spacing of described liquid level H2 ~ H3 is 10 ~ 50mm, the spacing of described liquid level H1 ~ H2 is 10 ~ 30mm
Described quantitative case is also provided with overflow pipe and ventilation mouth, and described overflow pipe is communicated with described quantitative case and describedly treats liquid feeding case, and described overflow pipe mouth of pipe height is greater than described liquid level H1 height.
According to the present invention one preferred embodiment, described discharging tube and describedly treat that liquid feeding case junction is provided with an observation tube, described observation tube adopts the transparent material of resistance corrosion to make, and described observation tube one end connects described discharging tube, treats in liquid feeding case described in the described observation tube other end passes into.
According to the present invention one preferred embodiment, each controller adding liquid device comprises timing module, computing module and control module, described timing module is connected with described control module respectively with described computing module, and described timing module is connected with described computing module.
A kind of multiple medicines liquid quantitative proportioning device of the present invention, has following beneficial effect:
(1) multiple medicines liquid quantitative proportioning device of the present invention, the ratio of its each liquid that can add as required accurately controls from each amount of adding the liquid flowed out liquid device.
(2) multiple medicines liquid quantitative proportioning device of the present invention, it can according to need of production, different liquid medicine quantitatives can be made to treat to react in time in liquid feeding case, improve and treat the efficacy of reaction product and the ageing for the treatment of product in liquid feeding case, and then substantially increase the quality of product.
(3) multiple medicines liquid quantitative proportioning device of the present invention, in order to ensure each purity of adding the liquid added in liquid device, one is added the corresponding a kind of liquid of liquid device, can add according to different types of liquid or reduce and add liquid device accordingly, avoid multiple liquid to use and samely add liquid device, improve the quality of product.
Accompanying drawing explanation
In order to be illustrated more clearly in technical scheme of the present invention, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of multiple medicines liquid quantitative proportioning device of the present invention;
Fig. 2 is the structural representation of current limliting joint in multiple medicines liquid quantitative proportioning device of the present invention.
In figure: 1-total valve, 2-liquid feed valve, the quantitative case of 3-, 4-liquid-level switch, 5-liquid level observation pipe, 6-overflow pipe, 7-tapping valve, 8-observation tube, 9-current limliting joint, 10-ventilation mouth, 11-liquid bath body to be added, 12-gripper shoe, 101,102,103-adds liquid device, 91-by making sleeve, 92-by making sealing ring, 93-flow regulator pieces, 94-flow regulator pieces sealing ring, 95-is by making nut, and 96-is by making flange.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite of not making creative work, all belongs to the scope of protection of the invention.
As shown in Figure 1 and Figure 2, the invention provides a kind of multiple medicines liquid quantitative proportioning device, it comprises treats liquid feeding case 11 and treats that three above liquid feeding case 11 are added liquid device 101,102,103 described in being positioned at.Described three liquids added in liquid device quantitatively add in liquid feeding case to described treating by preset blending ratio.In this embodiment, described three liquid kinds of adding liquid device are different, and in other embodiments, these three liquid kinds of adding in liquid device can also be identical.In this embodiment, described three to add in liquid device corresponding each liquid add by preset blending ratio simultaneous quantitative described in treat in liquid feeding case, in other embodiments, described three to add in liquid device corresponding each liquid by preset blending ratio not simultaneous quantitative add described in treat in liquid feeding case.Each liquid device that adds comprises feed liquor mechanism, quantitatively case 3, drainage mechanism, controller and the gripper shoe 12 for supporting described quantitative case 3.Described gripper shoe 12 is between described quantitative case 3 and drainage mechanism.Described feed liquor mechanism comprises feed tube and liquid feed valve 2, described feed tube is provided with described liquid feed valve 2, described feed tube is communicated with described quantitative case 3, described feed tube extends at the bottom of the case of described quantitative case 3, described drainage mechanism comprises discharging tube and discharge opeing adjustment member, described discharge opeing adjustment member is arranged on described discharging tube, described discharging tube one end is communicated with described quantitative case 3, with described, the described discharging tube other end treats that liquid feeding case 11 is communicated with, described quantitative case 3 is provided with liquid-level switch 4 and liquid level observation pipe 5, described liquid-level switch 4 can send signal when liquid level reaches liquid-level switch 4 position to described controller, described controller is for controlling the opening and closing of described liquid feed valve 2 and described tapping valve 7.In this embodiment, the quantity of described gripper shoe 12 is one, and it is for supporting multiple quantitative case 3 simultaneously.In other embodiments, described gripper shoe 12 can also be multiple, and each gripper shoe supports a quantitative case 3.
Equal 2 of the quantity of described discharging tube and described discharge opeing adjustment member, wherein 1 described discharge opeing adjustment member is tapping valve 7, discharge opeing adjustment member described in another comprises tapping valve 7 and is arranged on the current limliting joint 9 of tapping valve 7 water outlet, and described current limliting joint 9 is for controlling the flow velocity of liquid.The present invention adopts discharge opeing adjustment member to control liquid flow velocity, can not only meet an addition larger time Rapid Freon-feeding demand, and can meet addition less or needs interpolation speed is slower time the demand of quantitatively adding, realize the object that point magnitude designs according to addition is different.
Described current limliting joint 9 comprises by making sleeve 91, by making sealing ring 92, flow regulator pieces 93, flow regulator pieces sealing ring 94, by making nut 95 and by making flange 96, described by making sleeve 91 lower surface be provided with the first groove, described first groove is described by making sealing ring 92 for placing, described flow regulator pieces 93 upper end is inserted in described by making in sleeve 91, described flow regulator pieces 93 lower surface is provided with the second groove, described second groove is for placing described flow regulator pieces sealing ring 94, described flow regulator pieces 93 lower surface is close to described by making flange 96 upper surface, described by making flange 96 run through described by making nut 95, described by making the internal thread of nut 95 and described by making the external screw thread of sleeve 91 be connected.Be provided with through hole in the middle of described flow regulator pieces 93, the epimere of described through hole is conical bore, and the hypomere of described through hole is cylindrical hole, and wherein, coning angle is 80 ° ~ 130 °, and the cylindrical hole degree of depth is 3 ~ 10 times of cylindrical hole aperture.The present invention increases the structure of flow regulator pieces in by order, achieves the effect that liquid medicine flow is stable gently.
Described liquid-level switch 4 is photoelectric liquid-level switch, described photoelectric liquid-level switch adopts infra-red detection technology to make, the quantity of described liquid-level switch 4 is 3, identify liquid level H1, liquid level H2, liquid level H3 successively from top to bottom, during normal operating conditions, liquid liquid level requires to control between liquid level H2 ~ H3, and the spacing of described liquid level H2 ~ H3 is 30mm, when liquid level sends fault-signal lower than liquid-level switch 4 described during liquid level H3; In addition, the spacing of described liquid level H1 ~ H2 is 10mm, and when liquid level arrives liquid level H1, described liquid-level switch 4 also sends fault-signal, and the less control errors that abnormal conditions can be caused of spacing of therefore liquid level H1 ~ H2 is among a small circle.The present invention adopts liquid-level switch 4 to monitor liquid level, realizes high-precision automatic and controls.Further, operator without the need to contacting liquid, ensure that the personal safety of operator when operating.
Described quantitative case 3 is also provided with overflow pipe 6 and ventilation mouth 10, described overflow pipe 6 is communicated with described quantitative case 3 and describedly treats liquid feeding case 11, and described overflow pipe 6 mouth of pipe height is greater than described liquid level H1 height.
Described discharging tube and describedly treat that liquid feeding case 11 junction is provided with an observation tube 8, described observation tube 8 adopts the transparent material of resistance corrosion to make, be convenient to directly observe liquid level, described observation tube 8 one end connects described discharging tube, treats in liquid feeding case 11 described in described observation tube 8 other end passes into.
Described controller comprises timing module, computing module and control module, and described timing module is connected with described control module respectively with described computing module, and described timing module is connected with described computing module.In this embodiment, a controller controls one and adds liquid device.In other embodiments, multiple liquid device that adds can be controlled by a control device.
Described liquid feed valve 2 and described tapping valve 7 are normally-closed pneumatic valve, described feed tube is also provided with total valve 1, described total valve 1 is manually-operated gate, described total valve 1 controls the flowing velocity of liquid by the size changing flow area, ensures the speed that speed that liquid enters quantitative case 3 is greater than liquid and discharges from quantitative case 3.
In this embodiment, treat that on liquid feeding case, corresponding three are added liquid device for one.In other embodiments, treat that liquid feeding case being at least provided with two adds liquid device for one.Treat in liquid feeding case described in described multiple liquid added in liquid device quantitatively adds by preset blending ratio, described multiple liquid kind of adding liquid device can be identical or can be different, described multiple add each liquid corresponding in liquid device by preset blending ratio simultaneously or not simultaneous quantitative add described in treat in liquid feeding case.
When adopting multiple-medicinal-liquid to process cell piece, chemical reaction in various degree can be there is in multiple-medicinal-liquid mixing, at chemical field, the whether accurate quality tool to product of the amount of reactant has a great impact, through the quality that whether in time also drastically influence cell piece of reacted liquid to cell piece process, the present invention is by adding automatically accurately controlling of liquid device to multiple, make each amount of adding the liquid flowed out in liquid device accurate, thus can realize respectively adding the accurate of each liquid proportion ratio in liquid device, improve the quality of product.In one embodiment of the invention, multiple-medicinal-liquid is that simultaneous quantitative adds to and treats in liquid feeding case 11, and multiple-medicinal-liquid is processing cell piece in time after hybrid reaction in liquid feeding case, improves the efficacy for the treatment of of battery and the ageing of process.In other embodiments, can also according to need of production, multiple-medicinal-liquid can not also add to and treat in liquid feeding case 11 by simultaneous quantitative.
Multiple medicines liquid quantitative proportioning device of the present invention, by multiple add liquid device simultaneously or different time to treating to add different liquid in liquid feeding case, on the one hand can according to need of production, different liquid medicine quantitatives can be made to treat to react in time in liquid feeding case, ensure that and treat the efficacy of reaction product and the ageing for the treatment of product in liquid feeding case, and then ensure that the quality of product of liquid process.On the other hand, the amount of each liquid that can add as required accurately controls from each amount of adding the liquid flowed out liquid device.Moreover in order to ensure each purity of adding the liquid added in liquid device, one being added the corresponding a kind of liquid of liquid device, can add according to different types of liquid or reduce and add liquid device accordingly, avoid multiple liquid to use and samely add liquid device.
Correspondingly, present invention also offers a kind of adding method of multiple medicines liquid quantitative proportioning device, utilize multiple medicines liquid quantitative proportioning device to carry out liquid interpolation, the liquid adding liquid device correspondence two kinds different for two is below described the step that liquid medicine quantitative adds, and it specifically comprises the following steps:
S1, measure volume V corresponding when one of them adds that in the quantitative case 3 of liquid device, liquid level changes between liquid level H2 ~ H3, because volume V does not change with the kind of liquid, this mensuration can adopt safe flowing fluid ratio as water, and the convenient and mensuration of safety out.Of the present invention multiple to add liquid device identical, and therefore, this step S1 measures volume only to be needed to measure one of them and add liquid device.
S2, open liquid feed valve 2, added by two kinds of liquids in two quantitative casees 3 respectively, when liquid level rises to liquid level H2, controller controls liquid feed valve 2 and cuts out;
The tapping valve 7 that S3, controller control the described discharge opeing adjustment member of each of adding in liquid device is respectively opened, and starts timing simultaneously, measures liquid level respectively and drops to liquid level H3 required time t1 and t2 from liquid level H2;
S4, repetition step S1-S3, measure two respectively to add liquid level H2 in the quantitative case of liquid device and drop to multiple time t1 and t2 needed for liquid level H3, ask for mean value T1 and T2 of multiple time t1 and t2 respectively, in this mensuration process, liquid flows out by normal process of adding, and operator is without contact measured liquid; In this step, the time that the difference due to liquid kind can cause the liquid of same volume to flow out is different, therefore, needs to measure the different delivery times for different liquids.
S5, respectively calculating two add flow coefficient k a and Kb of the discharge opeing adjustment member corresponding to tapping valve 7 in liquid device, wherein Ka=V/T1, K2=V/T2;
S6, add the volume V of liquid according to actual needs
a, V
bwith flow coefficient k a and Kb of discharge opeing adjustment member, calculate two respectively and add the time T of liquid device interpolation needed for liquid
aand T
b, wherein T
a=V
a/ Ka, T
b=V
b/ Kb, controller is by controlling the tapping valve 7 opening time T of described discharge opeing adjustment member
a, T
brealize that multiple medicines is liquid-solid determines ratio and quantitative accurate interpolation.
In other embodiments, the liquid device that adds adding liquid method of the present invention is two or more, thus can realize two or more liquid proportion ratio and quantitative accurate interpolation.In the present invention, one is added the corresponding a kind of liquid of liquid device, and different liquids, due to concentration or viscosity difference, causes discharge coefficient also different, therefore repeats step S3 to S5, measure the discharge coefficient of different liquid respectively.
A kind of multiple medicines liquid quantitative proportioning device of the present invention, has following beneficial effect:
(1) multiple medicines liquid quantitative proportioning device of the present invention, the amount of its each liquid that can add as required accurately controls from each amount of adding the liquid flowed out liquid device.
(2) multiple medicines liquid quantitative proportioning device of the present invention, it can according to need of production, different liquid medicine quantitatives can be made to treat to react in time in liquid feeding case, improve and treat the efficacy of reaction product and the ageing for the treatment of product in liquid feeding case, and then substantially increase the quality of product.
(3) multiple medicines liquid quantitative proportioning device of the present invention, in order to ensure each purity of adding the liquid added in liquid device, one is added the corresponding a kind of liquid of liquid device, can add according to different types of liquid or reduce and add liquid device accordingly, avoid multiple liquid to use and samely add liquid device, improve the quality of product.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a multiple medicines liquid quantitative proportioning device, it is characterized in that: it comprises treats liquid feeding case (11) and treat that the multiple of liquid feeding case (11) top add liquid device described in being positioned at, treat in liquid feeding case (11) described in described multiple each liquid adding correspondence in liquid device quantitatively adds by preset blending ratio
Each liquid device that adds comprises feed liquor mechanism, quantitatively case (3), drainage mechanism and controller,
Described feed liquor mechanism comprises feed tube and liquid feed valve (2), described feed tube is provided with described liquid feed valve (2), and described feed tube is communicated with described quantitative case (3),
Described drainage mechanism comprises discharging tube and discharge opeing adjustment member, described discharge opeing adjustment member is arranged on described discharging tube, described discharging tube one end is communicated with described quantitative case (3), with described, the described discharging tube other end treats that liquid feeding case (11) is communicated with
Described quantitative case (3) is provided with liquid-level switch (4) and liquid level observation pipe (5), described liquid-level switch (4) can send signal when liquid level reaches liquid-level switch (4) position to described controller, and described controller is for controlling the opening and closing of described liquid feed valve (2) and described tapping valve (7).
2. multiple medicines liquid quantitative proportioning device according to claim 1, is characterized in that: described multiple to add in liquid device corresponding each liquid by preset blending ratio simultaneously or not simultaneous quantitative add described in treat in liquid feeding case (11).
3. multiple medicines liquid quantitative proportioning device according to claim 1 and 2, it is characterized in that: it also comprises the gripper shoe (12) for supporting described quantitative case (3), and described gripper shoe (12) is positioned between described quantitative case (3) and drainage mechanism.
4. multiple medicines liquid quantitative proportioning device according to claim 1, is characterized in that, it is individual that the quantity of each discharging tube and discharge opeing adjustment member that add liquid device is N (N > 1),
Wherein 1 described discharge opeing adjustment member is tapping valve (7), discharge opeing adjustment member described in all the other comprises tapping valve (7) and is arranged on the current limliting joint (9) of tapping valve (7) water outlet, and described current limliting joint (9) is for controlling the flow velocity of liquid.
5. multiple medicines liquid quantitative proportioning device according to claim 1, is characterized in that, the quantity of each discharging tube and discharge opeing adjustment member that add liquid device is 1,
This discharge opeing adjustment member is tapping valve (7), or this discharge opeing adjustment member comprises tapping valve (7) and current limliting joint (9), and described current limliting joint (9) is arranged on tapping valve (7) water outlet.
6. the multiple medicines liquid quantitative proportioning device according to claim 4 or 5, it is characterized in that, described current limliting joint (9) comprises by making sleeve (91), by making sealing ring (92), flow regulator pieces (93), flow regulator pieces sealing ring (94), by making nut (95) and by making flange (96), described by making sleeve (91) lower surface be provided with the first groove, described first groove is described by making sealing ring (92) for placing, described flow regulator pieces (93) upper end is inserted in described by making in sleeve (91), described flow regulator pieces (93) lower surface is provided with the second groove, described second groove is for placing described flow regulator pieces sealing ring (94), described flow regulator pieces (93) lower surface is close to described by making flange (96) upper surface, described by making flange (96) run through described by making nut (95), described by making the internal thread of nut (95) and described by making the external screw thread of sleeve (91) be connected.
7. multiple medicines liquid quantitative proportioning device according to claim 6, it is characterized in that, through hole is provided with in the middle of described flow regulator pieces (93), the epimere of described through hole is conical bore, the hypomere of described through hole is cylindrical hole, wherein, coning angle is 80 ° ~ 130 °, and the cylindrical hole degree of depth is 3 ~ 10 times of cylindrical hole aperture.
8. the multiple medicines liquid quantitative proportioning device according to claim 1 or 7, it is characterized in that, described liquid-level switch (4) is photoelectric liquid-level switch, float type level switch, capacitor hydraulic switch, ultrasonic liquid level switch or static pressure type liquid-level switch, the quantity of described liquid-level switch (4) is 3, identify liquid level H1, liquid level H2, liquid level H3 successively from top to bottom, the spacing of described liquid level H2 ~ H3 is 10 ~ 50mm, and the spacing of described liquid level H1 ~ H2 is 10 ~ 30mm
Described quantitative case (3) is also provided with overflow pipe (6) and ventilation mouth (10), described overflow pipe (6) is communicated with described quantitative case (3) and describedly treats liquid feeding case (11), and described overflow pipe (6) mouth of pipe height is greater than described liquid level H1 height.
9. multiple medicines liquid quantitative proportioning device according to claim 1, it is characterized in that, described discharging tube and describedly treat that liquid feeding case (11) junction is provided with an observation tube (8), described observation tube (8) adopts the transparent material of resistance corrosion to make, described observation tube (8) one end connects described discharging tube, treats in liquid feeding case (11) described in described observation tube (8) other end passes into.
10. multiple medicines liquid quantitative proportioning device according to claim 1, it is characterized in that: each controller adding liquid device comprises timing module, computing module and control module, described timing module is connected with described control module respectively with described computing module, and described timing module is connected with described computing module.
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| CN201510689972.0A CN105233751A (en) | 2015-10-21 | 2015-10-21 | Multi-medicine liquid quantitative matching device |
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| CN201510689972.0A CN105233751A (en) | 2015-10-21 | 2015-10-21 | Multi-medicine liquid quantitative matching device |
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Cited By (1)
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| CN110146207A (en) * | 2019-05-16 | 2019-08-20 | 广东镭奔激光科技有限公司 | The depth of measurement residual stress is electrolysed etching system and method automatically |
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Application publication date: 20160113 |