CN204714511U - A kind of weighing type fluid dispensing system and weighing container system - Google Patents
A kind of weighing type fluid dispensing system and weighing container system Download PDFInfo
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- CN204714511U CN204714511U CN201520467360.2U CN201520467360U CN204714511U CN 204714511 U CN204714511 U CN 204714511U CN 201520467360 U CN201520467360 U CN 201520467360U CN 204714511 U CN204714511 U CN 204714511U
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Abstract
The utility model discloses a kind of weighing type fluid dispensing system and weighing container system, comprise weighing container, it connects at least one liquid supply electromagnetic valve, and liquid supply electromagnetic valve is connected with liquid barrel; LOAD CELLS, it is arranged on the bottom of weighing container; Weight transmitter, the electric signal of LOAD CELLS can be converted to digital data transmission to main frame by it; Vacuum pump, it is connected with weighing container; Membrane pump is connected with weighing container by the first electromagnetic valve, and membrane pump is connected with Liquid transfer terminal or membrane pump is connected with at least one liquid outlet electromagnetic valve, and liquid outlet electromagnetic valve is connected with Liquid transfer terminal.First choker relief valve is connected with weighing container; Main frame can receive the digital signal of weight transmitter transmission, opening of control liquid supply electromagnetic valve, liquid outlet electromagnetic valve, vacuum pump, membrane pump, the first choker relief valve.The utility model structure is simple, intellectualized operation, and it is high to take precision, and the self-reacting devices such as chemical industry, the liquid detergent distribution of commercial laundry room have application value widely.
Description
Technical field
The utility model relates to the automatic distribution technique field of liquid, specifically refers to a kind of weighing type fluid dispensing system and weighing container system.
Background technology
Liquid distributor in the market all adopts peristaltic pump technology, and principle is by motor driving rolls, by the rotation of roller extruding elastic hose, thus reaches the object of extracting liquid, and by the extraction amount of the time metering liquid that controls electric machine rotation.
Wherein peristaltic pump is core component, and require higher to the elastic hose of peristaltic pump, long-time use elastic hose, elastic hose can follow the string, and cause cannot extracting liquid, therefore in use lubricated must be made, otherwise flexible pipe follows the string cannot extracting liquid, extract precision degradation, must elastic hose be regularly replaced; Control the amount of extracting liquid additionally by the control electric machine rotation time, due to external motor spread of voltage, the factors such as elastic hose is aging, can cause extracting liquid precision degradation, must regularly replace calibration pump.
Utility model content
The purpose of this utility model is: provide a kind of weighing type fluid dispensing system, adopts the mode of weighing to carry out the dosage of metering liquid, effectively can improve the precision of extracting liquid; By the mode extracting liquid of vacuum pump evacuation, can corrosive liquid be extracted, and corrosive liquid does not directly contact with vacuum pump, avoid the operating cycles affecting vacuum pump.
Another object of the present utility model is: provide a kind of weighing container system, is flexible pipe by arranging the pipeline entering weighing container, and reduction pipeline and weighing container junction are on the impact of LOAD CELLS resolution; And to arrange weighing container be funnel-form, can effectively avoid membrane pump to take away the process of liquid from weighing container, extraction location produces whirlpool, affects the speed of extracting liquid.
The utility model is achieved through the following technical solutions:
A kind of weighing type fluid dispensing system, comprise weighing container, it connects at least one liquid supply electromagnetic valve, and liquid supply electromagnetic valve is connected with liquid barrel;
LOAD CELLS, it is arranged on weighing container;
Weight transmitter, the electric signal of LOAD CELLS can be converted to digital data transmission to main frame by it;
Vacuum pump, it is connected with weighing container;
Membrane pump, it is connected with weighing container by the first electromagnetic valve, and membrane pump is connected with Liquid transfer terminal or membrane pump is connected with at least one liquid outlet electromagnetic valve, and liquid outlet electromagnetic valve is connected with Liquid transfer terminal;
First choker relief valve, it is connected with weighing container;
Main frame, it can receive the digital signal of weight transmitter transmission, controls liquid supply electromagnetic valve and opens, weighing container is connected with liquid barrel, control liquid outlet electromagnetic valve is opened, make it be connected with Liquid transfer terminal, control vacuum pump and open, vacuum pump is connected with weighing container, control opening of membrane pump, membrane pump is connected with liquid outlet electromagnetic valve, controls the first choker relief valve and open, weighing container is communicated with air.
In the utility model, weighing container is mainly used in the liquid to be allocated that splendid attire transports from liquid barrel, and weighing container is sealed container; Weighing container can connect at least one liquid barrel by liquid-transport pipe-line, the number wherein connecting liquid barrel is relevant according to class of liquids to be allocated, if adopt weighing type fluid dispensing system by three kinds of different Liquid transfer to three different Liquid transfer terminal, therefore need three kinds of different liquids to be contained in three different liquid barrels, three liquid barrels are all connected with weighing container respectively by corresponding liquid supply electromagnetic valve, i.e. the connecting line of each liquid barrel and weighing container is all controlled by a liquid supply electromagnetic valve; In like manner, the pipeline between membrane pump and Liquid transfer terminal is also controlled by liquid outlet electromagnetic valve.When only having a Liquid transfer terminal, the pipeline between membrane pump and Liquid transfer terminal does not then need liquid outlet electromagnetic valve to control, and membrane pump is directly connected with Liquid transfer terminal.
Wherein, the Main Function of vacuum pump is vacuumized by weighing container under the control of main frame, and making in weighing container is negative pressure state, is convenient to the liquid in liquid barrel to be pressed into smoothly in weighing container.
Wherein, LOAD CELLS according to circumstances can be arranged on bottom or the side of weighing container, can be converted into electric signal by sensing the change of weighing container and through weight transmitter, be transferred to main frame, reach the object of accurate measurement.
Further, in order to better realize the utility model, described weighing type fluid dispensing system also comprises triple valve, and membrane pump is connected with liquid outlet electromagnetic valve by triple valve, triple valve is also connected with check valve, the second choker relief valve, air pump in turn.Wherein triple valve is two enter a removing from mould, and connection membrane pump in two imports, another connects check valve, exports as being directly connected with Liquid transfer terminal pipeline; The setting of triple valve, its effect is identical with an adaptor union effect, respectively air pump, membrane pump are communicated with liquid outlet electromagnetic valve, therefore identical with adaptor union effect, joint as identical with triple valve effect in transition type adaptor union, flare fitting etc., be the equivalence techniques feature of triple valve, all within protection domain of the present utility model; The setting of air pump, under the state opening the second choker relief valve, can accelerate the speed of Liquid transfer to Liquid transfer terminal.
Further, in order to better realize the utility model, described weighing type fluid dispensing system also comprises clear water memory device, and clear water memory device is connected with weighing container by the second electromagnetic valve.When needing to dilute for the strength of fluid in liquid barrel is higher, extraction to the liquid in weighing container reaches prescribed volume, now open the second electromagnetic valve, clear water is extracted in weighing container from clear water memory device, until reach prescribed dose, close the second electromagnetic valve and vacuum pump, stop extracting clear water; Clear water is extracted except the liquid higher to concentration dilutes from clear water memory device, liquid is directed to corrosive liquid, after dilution, at the follow-up membrane pump will used in rear for dilution Liquid transfer to the process of destination, electromagnetic valve is as the second electromagnetic valve, liquid outlet electromagnetic valve, joint, as triple valve etc., can adopt the product that decay resistance is more weak, and effectively can reduce production, the use cost of weighing type fluid dispensing system; The setting of the second electromagnetic valve, clear water memory device simultaneously also can be used for Liquid distribution having been carried the rear cleaning to weighing container, delivery duct.
Further, in order to better realize the utility model, also comprise the 3rd electromagnetic valve in described weighing type fluid dispensing system, clear water memory device is connected with membrane pump by the 3rd electromagnetic valve.The setting of the 3rd electromagnetic valve, is mainly used in the cleaning to pipeline between membrane pump to Liquid transfer terminal.
Further, in order to better realize the utility model, described vacuum pump is brushless motor vacuum pump.
Further, in order to better realize the utility model, described liquid outlet electromagnetic valve, liquid supply electromagnetic valve, the first electromagnetic valve, the second electromagnetic valve, the 3rd electromagnetic valve are same structure.Wherein liquid outlet electromagnetic valve, liquid supply electromagnetic valve, the first electromagnetic valve, the second electromagnetic valve, the 3rd electromagnetic valve are opened by host computer control or close.In addition with liquid outlet electromagnetic valve, liquid supply electromagnetic valve, the first electromagnetic valve, the identical structure that can realize automatically controlling of the second electromagnetic valve, the 3rd electromagnetic valve action function as pneumatic valve, mechanical arm ball valve etc.; be the equivalence techniques feature of liquid outlet electromagnetic valve in the utility model, liquid supply electromagnetic valve, the first electromagnetic valve, the second electromagnetic valve, the 3rd electromagnetic valve, all within protection domain of the present utility model.
Further, in order to better realize the utility model, described weighing container is leakproof tank.
Further, in order to better realize the utility model, described LOAD CELLS is arranged on the bottom of weighing container.
The utility model also provides a kind of weighing container system, comprise weighing container, feed liquor flexible pipe, cabinet stand, go tension support, LOAD CELLS, described weighing container is funnel-form, and described feed liquor flexible pipe is through cabinet stand, and the end of feed liquor flexible pipe is connected with weighing container; Described one end of tension support of going is fixed on weighing container, goes the other end of tension support to be fixedly connected with feed liquor flexible pipe; One end of described LOAD CELLS is connected with weighing container, and the other end of LOAD CELLS is connected with cabinet stand.
Weighing container is one of core component in weighing type fluid dispensing system, weighing container system, and weighing container is airtight container, liquid enters weighing container by pipeline, pipeline and weighing container junction can produce a bearing force, affect the resolution of LOAD CELLS, being feed liquor flexible pipe by arranging water influent pipeline, the impact of pipeline on weighing container can be reduced, improve the resolution of LOAD CELLS.
Weighing container is set to funnel-form, membrane pump can be avoided from the process of weighing container extracting liquid to produce whirlpool, and then affect the flow velocity of extracting liquid.
Go the setting of tension support, its shape does not do concrete restriction, and shape can be L shape support, go to tension support one end and be fixed on weighing container, be generally arranged on the side of weighing container, the other end of tension support is gone to be fixedly connected with feed liquor flexible pipe, can be the internal force of weighing container by the bending tension conversion of feed liquor flexible pipe, and feed liquor flexible pipe need not bend, reduce feed liquor flexible pipe to the impact of weighing container, in the present invention, weighing container with go tension support to be structure as a whole.
One end of LOAD CELLS is connected with weighing container, the other end of LOAD CELLS is connected with cabinet stand, wherein the position relationship of LOAD CELLS and weighing container does not do concrete restriction, LOAD CELLS can be positioned at side or the bottom of weighing container, all accurately can sense the change of weight in weighing container.
Further, in order to better realize the utility model, the top of described weighing container also has liquidometer, and described liquidometer is mainly used in the liquid level monitoring liquid in weighing container in real time.
The utility model compared with prior art, has the following advantages and beneficial effect:
(1) the utility model is by arranging LOAD CELLS, weight transmitter, adopt LOAD CELLS as metering unit, measuring accuracy reaches 10g, can avoid the amount controlling extracting liquid in conventional art by controlling the electric machine rotation time, the problems such as extracting liquid precision is inaccurate;
(2) the utility model is by arranging vacuum pump, and made in negative pressure state in weighing container by vacuum pump, be convenient to extracting liquid, vacuum pump does not directly contact with liquid simultaneously, effectively can extend the operating cycles of vacuum pump;
(3) the utility model weighing type fluid dispensing system structure is simple, be convenient to intellectualized operation, and it is high to take precision, the self-reacting devices such as chemical industry, the liquid detergent distribution of commercial laundry room have application value widely.
(4) in the utility model, weighing type fluid dispensing system method of operation is simple, intelligentized control method, while realizing smart allocation, also the requirement of carrying again after the low liquid of concentration is become to concentration height liquid diluting can be met, and can clean weighing instruments, delivery duct in time, extend the service life of weighing type fluid dispensing system.
(5) the utility model is by arranging weighing container system, effectively can reduce bearing force that water influent pipeline and weighing container junction produce to the impact of LOAD CELLS resolution, also can effectively avoid in extracting liquid process simultaneously, form whirlpool in weighing container, cause the problem that flow rate of liquid is slack-off.
Accompanying drawing explanation
Fig. 1 is structural schematic block diagram of the present utility model;
Fig. 2 is the structural schematic block diagram of embodiment 2 in the utility model;
Fig. 3 is the structural schematic block diagram of embodiment 3 in the utility model;
Fig. 4 is the structural schematic block diagram of embodiment 3 and 4 in the utility model;
Fig. 5 is the structural representation of embodiment 5 in the utility model
Fig. 6 is the structural schematic block diagram of embodiment 7 in the utility model;
Wherein: 1-weighing container, 2-remove tension support, 3-cabinet stand, 4-feed liquor flexible pipe, 5-liquidometer, 6-LOAD CELLS.
Detailed description of the invention
Below in conjunction with embodiment, the utility model is described in further detail, but embodiment of the present utility model is not limited thereto.
Embodiment 1:
As Fig. 1, a kind of weighing type fluid dispensing system, comprising:
A kind of weighing type fluid dispensing system, comprise weighing container 1, it connects at least one liquid supply electromagnetic valve, and liquid supply electromagnetic valve is connected with liquid barrel;
LOAD CELLS 6, it is arranged on weighing container 1, is preferably arranged on the bottom of LOAD CELLS 6;
Weight transmitter, the electric signal of LOAD CELLS 6 can be converted to digital data transmission to main frame by it;
Vacuum pump, it is connected with weighing container 1;
Membrane pump, it is connected with weighing container 1 by the first electromagnetic valve, and membrane pump is connected with Liquid transfer terminal or membrane pump is connected with at least one liquid outlet electromagnetic valve, and liquid outlet electromagnetic valve is connected with Liquid transfer terminal;
First choker relief valve, it is connected with weighing container 1;
Main frame, it can receive the digital signal of weight transmitter transmission, controls liquid supply electromagnetic valve and opens, weighing container 1 is connected with liquid barrel, control liquid outlet electromagnetic valve is opened, make it be connected with Liquid transfer terminal, control vacuum pump and open, vacuum pump is connected with weighing container 1, control opening of membrane pump, membrane pump is connected with liquid outlet electromagnetic valve, controls the first choker relief valve and open, weighing container 1 is communicated with air.
The utility model septation pump is directly connected with Liquid transfer terminal, during mainly at least one Liquid transfer to Liquid transfer terminal, pipeline between membrane pump and Liquid transfer terminal, without the need to being controlled by liquid outlet electromagnetic valve, directly can be delivered to Liquid transfer terminal after membrane pump process.
In the present embodiment, main frame comprises the structures such as host circuit board, LCDs, keyboard and act as the common practise of this area, operating personal wants the kind of extracting liquid, the volume of extracting liquid by equipment inputs such as keyboards, and extracts the volume etc. of clear water.
The present embodiment intermediate pump is brushless motor vacuum pump, reach 10000 hours service life, and vacuum pump is the air extracted under the control action of main frame in weighing container 1, make in weighing container 1 in negative pressure state, under outside atmospheric pressure effect, be convenient to the Liquid extracting in liquid barrel in weighing container 1.
Principle of work: operating personal inputs the kind wanting extracting liquid in main frame by input medias such as operation keyboards, the amount of extracting liquid, wherein the kind of extracting liquid, the volume of extraction are shown by the LCD Panel of main frame; Main frame opens vacuum pump after receiving the control command of above-mentioned extracting liquid, extracts the gas in weighing container 1, makes it inner in negative pressure state; Open the liquid supply electromagnetic valve wanting extracting liquid bucket correspondence, liquid enters weighing container 1; After liquid enters weighing container 1, LOAD CELLS 6 senses the change of weighing container 1, and this change is converted to electric signal transmission to weight transmitter; Electric signal amplifies by weight transmitter further, and feeds back to main frame after treatment; When after the extraction volume reaching regulation, host computer control closes vacuum pump and liquid supply electromagnetic valve, and control to open the first electromagnetic valve, membrane pump, liquid outlet electromagnetic valve that Liquid transfer terminal is corresponding, by weighted Liquid transfer to Liquid transfer terminal, namely complete liquid dispensing process.
Embodiment 2:
The present embodiment is on the basis of embodiment 1, in order to better realize the utility model, as shown in Figure 2, also comprise triple valve, membrane pump is connected with liquid outlet electromagnetic valve by triple valve, triple valve is also connected with check valve in turn, second choker relief valve, air pump, if conveying strength of fluid higher or too thickness time, the speed of conveying can be caused slower, for this situation, membrane pump is connected with air pump by triple valve, by the setting of air pump, at the second choker relief valve, under the state of one-way valve opens, the air pressure that air pump is delivered to pipeline can strengthen the delivery speed of liquid at delivery duct.Other parts of the present embodiment are identical with embodiment 1, repeat no more.
Embodiment 3:
The present embodiment is on the basis of above-described embodiment, and in order to better realize the utility model, as shown in Figure 3, also comprise clear water memory device, clear water memory device is connected with weighing container 1 by the second electromagnetic valve.For the situation needing to dilute the liquid of conveying, by arranging the second electromagnetic valve and clear water memory device, when needs dilute, host computer control opens the second electromagnetic valve, clear water in clear water memory device enters in weighing container 1, until after reaching prescribed volume, host computer control closes the second electromagnetic valve, stops carrying clear water in weighing container 1.Meanwhile, the place pipeline of clear water memory device, the second electromagnetic valve, also may be used for the cleaning to weighing container 1.Clear water memory device can be also the storage device of other diluent liquid or the liquid storaging device diluted weighing container 1 in the present embodiment, and therefore in clear water memory device, splendid attire is other liquid, is also interpreted as the equivalence techniques feature of clear water memory device.Other parts of the present embodiment are same as the previously described embodiments, repeat no more.
Embodiment 4:
The present embodiment, on the basis of above-described embodiment, in order to better realize the utility model, as shown in Figure 3, Figure 4, also comprises the 3rd electromagnetic valve, and clear water memory device is connected with membrane pump by the 3rd electromagnetic valve.After completing the supplying step to liquid, by arranging the 3rd electromagnetic valve and clear water memory device, transfer line being cleaned, avoiding the liquid carried to cause damage to transfer line.Wherein, liquid outlet electromagnetic valve, liquid supply electromagnetic valve, the first electromagnetic valve, the second electromagnetic valve, the 3rd electromagnetic valve are same structure.And open by host computer control or close; Structure identical with liquid outlet electromagnetic valve, liquid supply electromagnetic valve, the first electromagnetic valve, the second electromagnetic valve, the 3rd electromagnetic valve action function is in addition as pneumatic valve etc.; be the equivalence techniques feature of liquid outlet electromagnetic valve in the utility model, liquid supply electromagnetic valve, the first electromagnetic valve, the second electromagnetic valve, the 3rd electromagnetic valve, all within protection domain of the present utility model.Other parts of the present embodiment are same as the previously described embodiments, repeat no more.
Embodiment 5:
As shown in Figure 5, a kind of weighing container system, comprises weighing container 1, feed liquor flexible pipe 4, cabinet stand 3, goes tension support 2, LOAD CELLS 6, and described weighing container 1 is in funnel-form, described feed liquor flexible pipe 4 is through cabinet stand 3, and the end of feed liquor flexible pipe 4 is connected with weighing container 1; Described one end of tension support 2 of going is fixed on weighing container 1, goes the other end of tension support 2 to be fixedly connected with feed liquor flexible pipe 4; One end of described LOAD CELLS 6 is connected with weighing container 1, and the other end of LOAD CELLS 6 is connected with cabinet stand 3.
Weighing container 1 is one of core component in weighing type fluid dispensing system, weighing type fluid dispensation method, weighing container system, and weighing container 1 is airtight container, liquid enters weighing container 1 by pipeline, pipeline and weighing container 1 junction can produce a bearing force, affect the resolution of LOAD CELLS 6, being feed liquor flexible pipe 4 by arranging water influent pipeline, the impact of pipeline on weighing container 1 can be reduced, improve the resolution of LOAD CELLS 6.
Weighing container 1 is set to funnel-form, membrane pump can be avoided from the process of weighing container 1 extracting liquid to produce whirlpool, affect the flow velocity of extracting liquid.
Go the setting of tension support 2, its shape does not do concrete restriction, and shape can be L shape support, go to tension support 2 one end and be fixed on weighing container 1, the side of weighing container 1 can be arranged on, the other end of tension support 2 is gone to be fixedly connected with feed liquor flexible pipe 4, can be the internal force of weighing container 1 by the bending tension conversion of feed liquor flexible pipe 4, and feed liquor flexible pipe 4 need not bend, reduce the impact of feed liquor flexible pipe 4 on weighing container 1, in the utility model, weighing container 1 with go tension support 2 to be structure as a whole.
One end of LOAD CELLS 6 is connected with weighing container 1, the other end of LOAD CELLS 6 is connected with cabinet stand 3, wherein LOAD CELLS 6 does not do concrete restriction with the position relationship of weighing container 1, LOAD CELLS 6 can be positioned at side or the bottom of weighing container 1, all accurately can sense the change of weight in weighing container.
Embodiment 6:
The present embodiment, on the basis of embodiment 5, in order to better realize the utility model, limits further, and the top of described weighing container 1 also has liquidometer 5, and described liquidometer 5 is mainly used in the liquid level monitoring liquid in weighing container 1 in real time.And point out when the liquid level in weighing container 1 exceedes predetermined fluid level or be less than regulation liquid level.Other parts in the present embodiment are identical with embodiment 5, repeat no more.
Embodiment 7:
As shown in Figure 6, five kinds of Liquid distribution are example to six Liquid transfer terminals, and a kind of method of operation of weighing type fluid dispensing system, mainly comprises the following steps:
Step one, user by main frame infusion fluid bucket I amount of liquid 500g to be extracted, and transmit it to first liquid conveying terminal;
After step 2, main frame receive the order of extracting liquid bucket I extracting liquid amount 500g, host computer control opens vacuum pump, extracts the air in weighing container 1, makes in it in negative pressure state;
Step 3, open the first liquid supply electromagnetic valve, the liquid in liquid barrel I enters in weighing container 1, and along with liquid enters in weighing container 1, LOAD CELLS 6 senses the change of weight, and the signal of induction is passed to main frame through weight transmitter;
The digital signal of acquisition compares with the value of setting by step 4, main frame after treatment, until when comparative result is identical, when being 500g, sends the control command of closing vacuum pump and the first liquid supply electromagnetic valve;
Step 5, host computer control open the first choker relief valve, the first electromagnetic valve, membrane pump, the first liquid outlet electromagnetic valve simultaneously, and the liquid measured is delivered to first liquid conveying terminal by the first liquid outlet electromagnetic valve.
In above-mentioned course of conveying, if require that the concentration of the liquid I being delivered to first liquid conveying terminal is a half of original concentration, namely the liquid I of extraction to be diluted, and diluent adopts water, control step is: after completing steps four, again open vacuum pump and the second electromagnetic valve, water in clear water memory device is delivered in weighing container 1, in like manner LOAD CELLS 6 will obtain changes in weight signal transmission main frame, until when being 1000g after the signal transacting of main frame acquisition, the concentration of liquid I just in time dilutes half, dilution can be terminated, close the second electromagnetic valve and vacuum pump.
In liquid I assigning process, if liquid I concentration is high, in delivery duct, slowly, can open the second choker relief valve, check valve, air pump is connected with triple valve, under the bar pressure effect of air pump, can accelerate the delivery speed of liquid I in conveying.
If only need to extract a kind of liquid of conveying, extract the cleaning step namely entering weighing container 1, pipeline after having carried; If need to extract plurality of liquid, and when can produce pollution each other, so need to clean weighing container 1 and pipeline after the extraction completing a kind of liquid and course of conveying, and the extraction supplying step of each liquid is identical, weighing container 1, pipeline cleaning step are also identical.
Wherein the cleaning step of weighing container 1 is: after completing the conveying to liquid I, host computer control opens vacuum pump and the second electromagnetic valve, the clear water extracted in clear water memory device cleans weighing container 1, extract after reaching the clear water of prescribed volume, close vacuum pump and the second electromagnetic valve, open the first electromagnetic valve, vacuum pump, extract the clear water in weighing container 1, namely complete the cleaning to weighing container 1.
The cleaning step of delivery duct is: open the 3rd electromagnetic valve, close the second electromagnetic valve, starts to extract the clear water in clear water memory device, cleans delivery duct, clean to specified time, closes membrane pump and the 3rd electromagnetic valve.
Below only for five kinds of Liquid distribution to six Liquid transfer terminals; weighing type fluid dispensation method makes clear, complete explanation; kind and the Liquid transfer terminal number of not treating dispense liquid limit; relate to and adopt LOAD CELLS 6 to carry out liquid meter, adopt vacuum pump to carry out the method for the method of extracting liquid etc. and equivalence thereof all within the protection domain of the technical program.
The above; it is only preferred embodiment of the present utility model; not do any pro forma restriction to the utility model, every any simple modification, equivalent variations done above embodiment according to technical spirit of the present utility model, all falls within protection domain of the present utility model.
Claims (10)
1. a weighing type fluid dispensing system, is characterized in that, comprising:
Weighing container, it connects at least one liquid supply electromagnetic valve, and liquid supply electromagnetic valve is connected with liquid barrel;
LOAD CELLS, it is arranged on weighing container;
Weight transmitter, the electric signal of LOAD CELLS can be converted to digital data transmission to main frame by it;
Vacuum pump, it is connected with weighing container;
Membrane pump, it is connected with weighing container by the first electromagnetic valve, and membrane pump is connected with Liquid transfer terminal or membrane pump is connected with at least one liquid outlet electromagnetic valve, and liquid outlet electromagnetic valve is connected with Liquid transfer terminal;
First choker relief valve, it is connected with weighing container;
Main frame, it can receive the digital signal of weight transmitter transmission, controls liquid supply electromagnetic valve and opens, weighing container is connected with liquid barrel, control liquid outlet electromagnetic valve is opened, liquid outlet electromagnetic valve is connected with Liquid transfer terminal, controls vacuum pump and open, vacuum pump is connected with weighing container, control membrane pump is opened, membrane pump is connected with liquid outlet electromagnetic valve, controls the first choker relief valve and open, weighing container is communicated with air.
2. a kind of weighing type fluid dispensing system according to claim 1, it is characterized in that: also comprise triple valve, membrane pump is connected with liquid outlet electromagnetic valve by triple valve, triple valve is also connected with check valve, the second choker relief valve, air pump in turn.
3. a kind of weighing type fluid dispensing system according to claim 1 and 2, is characterized in that: also comprise clear water memory device, and clear water memory device is connected with weighing container by the second electromagnetic valve.
4. a kind of weighing type fluid dispensing system according to claim 3, is characterized in that: also comprise the 3rd electromagnetic valve, and clear water memory device is connected with membrane pump by the 3rd electromagnetic valve.
5. a kind of weighing type fluid dispensing system according to claim 4, is characterized in that: described vacuum pump is brushless motor vacuum pump.
6. a kind of weighing type fluid dispensing system according to claim 4, is characterized in that: described liquid outlet electromagnetic valve, liquid supply electromagnetic valve, the first electromagnetic valve, the second electromagnetic valve, the 3rd electromagnetic valve are same structure.
7. a kind of weighing type fluid dispensing system according to claim 4, is characterized in that: described weighing container is leakproof tank.
8. a kind of weighing type fluid dispensing system according to claim 1, is characterized in that: described LOAD CELLS is arranged on the bottom of weighing container.
9. a weighing container system, it is characterized in that: comprise weighing container (1), feed liquor flexible pipe (4), cabinet stand (3), go tension support (2), LOAD CELLS (6), described weighing container (1) is in funnel-form, described feed liquor flexible pipe (4) is through cabinet stand (3), and the end of feed liquor flexible pipe (4) is connected with weighing container (1); Described one end of tension support (2) of going is fixed on weighing container (1), goes the other end of tension support (2) to be fixedly connected with feed liquor flexible pipe (4); One end of described LOAD CELLS (6) is connected with weighing container (1), and the other end of LOAD CELLS (6) is connected with cabinet stand (3).
10. a kind of weighing container system according to claim 9, is characterized in that: the top of described weighing container (1) is provided with liquidometer (5).
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| CN201520467360.2U CN204714511U (en) | 2015-07-02 | 2015-07-02 | A kind of weighing type fluid dispensing system and weighing container system |
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| CN201520467360.2U CN204714511U (en) | 2015-07-02 | 2015-07-02 | A kind of weighing type fluid dispensing system and weighing container system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104961091A (en) * | 2015-07-02 | 2015-10-07 | 成都朗默科技有限责任公司 | Weighing container system, weighing type liquid distribution system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104961091A (en) * | 2015-07-02 | 2015-10-07 | 成都朗默科技有限责任公司 | Weighing container system, weighing type liquid distribution system and method |
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