CN213193242U - Automatic liquid preparation device - Google Patents
Automatic liquid preparation device Download PDFInfo
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- CN213193242U CN213193242U CN202021534967.5U CN202021534967U CN213193242U CN 213193242 U CN213193242 U CN 213193242U CN 202021534967 U CN202021534967 U CN 202021534967U CN 213193242 U CN213193242 U CN 213193242U
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Abstract
The utility model provides an automatic liquid preparation device, including the first storage portion of storing first liquid, the second storage portion of storing second liquid and the liquid preparation portion, automatic liquid preparation device still be provided with first liquid input in the first storage portion the first measuring pump of liquid preparation portion and general second liquid input in the second storage portion the second measuring pump of liquid preparation portion, so that first liquid, second liquid are in the misce bene in the liquid preparation portion. The utility model discloses the device is simple and easy, can be applicable to the scene of various liquid-liquid blending, through with the integration of second storage division and liquid distribution portion, make the structure compacter, improve liquid distribution efficiency, reduce the fault rate, simultaneously when solution transmission, need not to consider lift and pipeline resistance, can reduce extra pipeline and liquid distribution pump; the concentration of the mixed solution is monitored by the ultrasonic densimeter, and the solution is automatically prepared, so that the automation level of the production process is improved, the possibility of human error is reduced, and the cost can be reduced.
Description
Technical Field
The utility model relates to an automatic liquid preparation device belongs to the automatic liquid system field of joining in marriage.
Background
With the continuous improvement of modern automation degree, the traditional manual liquid preparation and liquid supplement is gradually replaced by automatic liquid supply. In this process, automatic dispensing devices are becoming more and more widely used. Particularly, the method has great advantages in the aspects of large-lift conveying, accurate proportioning and the like.
At present, after a control module of an existing liquid preparation device gives total amount and concentration of a required preparation solution, the amount of solute needed in the solution is calculated and analyzed through a control preparation system, and then a weighing module weighs and monitors the mass of the solute to control the concentration of the solution. The weighing module in the liquid distribution system occupies a large space in the device, so that the device is complicated and high in cost. And high-precision instruments in the medical field are not suitable for solution proportioning in other fields due to high price and high precision overflow. Therefore, a solution mixing device with high precision, low cost and strong adaptability is needed.
In view of the above, it is necessary to provide an automatic liquid dispensing device to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automatic join in marriage liquid device, through the concentration of ultrasonic densimeter monitoring mixed solution, carry out the automation and join in marriage liquid to improve the automation level of production process.
In order to achieve the above object, the utility model provides an automatic liquid distribution device, including the first storage portion of storing first liquid, the second storage portion of storing second liquid and the liquid distribution portion, automatic liquid distribution device still be provided with first liquid input in the first storage portion the first measuring pump of liquid distribution portion and general second liquid input in the second storage portion the second measuring pump of liquid distribution portion, so that first liquid, second liquid are in mix in the liquid distribution portion.
As a further improvement of the utility model, the liquid preparation part is provided with an ultrasonic densimeter for detecting the density of the mixed liquid; when the ultrasonic densitometer detects that the density value of the mixed liquid is out of a preset range, the first metering pump or the second metering pump injects liquid into the liquid preparation part.
As a further improvement of the present invention, the density of the first liquid is greater than the density of the second liquid; when the density value of the mixed liquid detected by the ultrasonic densitometer is greater than a first density threshold value, the second metering pump injects a second liquid into the liquid preparation part; when the density value of the mixed liquid detected by the ultrasonic densitometer is smaller than a second density threshold value, the first metering pump injects a first liquid into the liquid preparation part; and when the density value of the mixed liquid detected by the ultrasonic density is between a first density threshold value and a second density threshold value, stopping working of the first metering pump and the second metering pump.
As a further improvement of the utility model, be equipped with agitating unit in the liquid distribution portion to first liquid, the second liquid stirring in the liquid distribution portion will be joined in marriage.
As a further improvement of the utility model, the automatic liquid preparation device further comprises a control module; at least one of the first storage part and the second storage part is provided with a liquid level meter to monitor the liquid level of the liquid; when the liquid level value detected by the liquid level meter is lower than a first liquid level threshold value, the control module gives an alarm.
As a further improvement of the utility model, the automatic liquid preparation device further comprises a control module; the liquid preparation part is provided with a liquid level meter; when the liquid level meter detects that the liquid level in the liquid distribution part is higher than a second liquid level threshold value, the control module gives an alarm or controls the first metering pump and the second metering pump to work.
As a further improvement of the present invention, at least one of the first storage portion, the second storage portion and the liquid preparation portion is provided with a TDS sensor for monitoring the impurity concentration of the liquid in the first storage portion or the second storage portion or the liquid preparation portion.
As a further improvement of the present invention, at least one of the first storage portion, the second storage portion and the liquid distribution portion is provided with a temperature sensor to monitor the temperature of the liquid in the first storage portion or the second storage portion or the liquid distribution portion.
As a further improvement of the present invention, the second storage portion and the liquid distribution portion are disposed in the same tank, and the second storage portion and the liquid distribution portion are separated by a partition plate.
As a further improvement of the utility model, the automatic liquid preparation device further comprises a control module; the liquid preparation part is provided with an ultrasonic densimeter for detecting the density of the mixed liquid; when the density of the mixed liquid detected by the ultrasonic densitometer is out of a preset range, the control module controls the first metering pump and the second metering pump to adjust the flow ratio between the first metering pump and the second metering pump.
The utility model has the advantages that: compared with the prior art, the device of the utility model is simple and easy, can be suitable for various liquid-liquid mixing scenes, and can make the structure more compact by integrating the second storage part and the liquid distribution part, improve the liquid distribution efficiency, reduce the failure rate, and simultaneously can reduce the additional pipeline and the liquid distribution pump without considering the lift and the pipeline resistance when the solution is transmitted; the concentration of the mixed solution is monitored by the ultrasonic densimeter, and the solution is automatically prepared, so that the automation level of the production process is improved, the possibility of human error is reduced, and the cost can be reduced.
Drawings
Fig. 1 is a structural diagram of the automatic liquid preparation device of the present invention.
Fig. 2 is a flow chart of the control module of the automatic liquid preparation device of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the present invention discloses an automatic liquid dispensing device 100, which comprises a first storage part 1 for storing a first liquid, a second storage part 2 for storing a second liquid, and a liquid dispensing part 3, wherein the second storage part 2 and the liquid dispensing part 3 are disposed in the same tank, and the second storage part 2 and the liquid dispensing part 3 are separated by a partition plate 4. A power area 5 is arranged below the liquid distribution part 3 of the same tank body. In the present embodiment, the first liquid is water, and the second liquid is methanol, but it is understood that the first liquid and the second liquid may be other types of liquids, which is not limited in the present invention.
The power area 5 is provided with a first metering pump 10 for inputting the first liquid in the first storage part 1 into the liquid distribution part 3 and a second metering pump 11 for inputting the second liquid in the second storage part 2 into the liquid distribution part 3, so that the first liquid and the second liquid are uniformly mixed in the liquid distribution part 3. The first liquid and the second liquid are supplied to the liquid preparation portion 3 through a mixing pipe 6 provided in the liquid preparation portion 3.
The liquid distribution part 3 is provided with an ultrasonic densitometer 7 for detecting the density of the mixed liquid, and when the ultrasonic densitometer 7 detects that the density of the mixed liquid is out of a preset range, the first metering pump 10 or the second metering pump 11 injects liquid into the liquid distribution part 3. In this embodiment, the density of the first liquid is greater than the density of the second liquid; when the density value of the mixed liquid detected by the ultrasonic densitometer 7 is greater than a first density threshold value, the second metering pump 11 injects a second liquid into the liquid distribution part 3; when the density value of the mixed liquid detected by the ultrasonic densitometer 7 is smaller than a second density threshold value, the first metering pump 10 injects the first liquid into the liquid distribution part 3; and when the density value of the mixed liquid detected by the ultrasonic density is between the first density threshold value and the second density threshold value, stopping the work of the first metering pump 10 and the second metering pump 11.
The liquid preparation part 3 is also provided with a stirring device 8 to uniformly stir the first liquid and the second liquid in the liquid preparation part 3. Stirring device 8 can set up to regularly stir, also can be by user's manual stirring, when mixed liquid is in to place for a long time so that take place the layering phenomenon, makes mixed liquid even, the accurate density measurement of ultrasonic densimeter 7 of being convenient for.
As shown in fig. 2, the automatic liquid dispensing device 100 of the present invention further includes a control module, at least one of the first storage portion 1 and the second storage portion 2 is provided with a liquid level meter 9 to monitor the liquid level of the liquid; when the liquid level value detected by the liquid level meter 9 is lower than a first liquid level threshold value, the control module gives an alarm to prompt an operator to add raw materials. Preferably, both the first reservoir 1 and the second reservoir 2 are provided with the level gauge 9. The liquid distribution part 3 is provided with a liquid level meter 9; when the liquid level meter 9 detects that the liquid level in the liquid distribution part 3 is higher than a second liquid level threshold value, the control module gives an alarm or controls the first metering pump 10 and the second metering pump 11 to work, and the liquid distribution action is stopped. The liquid preparation part 3 is provided with an ultrasonic densimeter 7 for detecting the density of the mixed liquid; when the density of the mixed liquid detected by the ultrasonic densitometer 7 is out of the preset range, the control module controls the first metering pump 10 and the second metering pump 11 to adjust the flow ratio between the first metering pump 10 and the second metering pump 11.
At least one of the first storage part 1, the second storage part 2 and the liquid distribution part 3 is provided with a TDS sensor which is used for monitoring the impurity concentration of liquid in the first storage part 1 or the second storage part 2 or the liquid distribution part 3 and giving out an early warning when the impurity concentration is high; at least one of the first storage part 1, the second storage part 2 and the liquid distribution part 3 is provided with a temperature sensor to monitor the temperature of the liquid in the first storage part or the second storage part or the liquid distribution part 3, so as to prevent the liquid from freezing in a low temperature state and enable the liquid to be in a proper temperature range.
The working flow of the automatic liquid preparation device 100 of the present invention will be described in detail below:
the control module starts liquid preparation, the control module controls the first metering pump 10 and the second metering pump 11 to start, water in the first storage part 1 and methanol in the second storage part 2 are respectively pumped, the methanol and the water are mixed in the mixing pipe 6 to form a solution, the solution flows into the liquid preparation part 3, and meanwhile, the stirring device 8 is started to stir; the ultrasonic densimeter 7 arranged in the liquid preparation part 3 monitors the concentration of the mixed liquid and sends information to the control module, and when the density value does not reach the preset density, the control module calculates, analyzes and controls the first metering pump 10 and the second metering pump 11 to adjust the flow so that the flow ratio of the first metering pump 10 to the second metering pump 11 meets the liquid preparation requirement; liquid level meter 9 in liquid distribution portion 3 monitors the liquid level of mixed liquid in real time, and when the liquid level of mixed liquid reached preset liquid level, liquid level meter 9 sent feedback information to control module, and control module controls first measuring pump 10 and second measuring pump 11 stall, and liquid distribution is accomplished.
To sum up, the utility model discloses the device is simple and easy, can be applicable to the scene of various liquid-liquid blending, through integrating second storage unit 2 and liquid distribution unit 3, makes the structure compacter, improves liquid distribution efficiency, reduces the fault rate, simultaneously when solution transmission, need not to consider lift and pipeline resistance, can reduce extra pipeline and liquid distribution pump; the concentration of the mixed solution is monitored by the ultrasonic densimeter 7, and automatic liquid preparation is carried out, so that the automation level of the production process is improved, the possibility of human error is reduced, and the cost can be reduced. And simultaneously, the utility model discloses an accurate solution is prepared to first measuring pump 10, second measuring pump 11 realization, thereby has reduced automatic join in marriage liquid device 100's volume has avoided current liquid device of joining in marriage to realize through weighing module that the liquid is joined in marriage to the accuracy and cause the great drawback of volume.
The above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. The utility model provides an automatic liquid preparation device, includes the first storage portion of storing first liquid, stores the second storage portion and the liquid preparation portion of second liquid, its characterized in that: the automatic liquid preparation device is also provided with a first metering pump for inputting the first liquid in the first storage part into the liquid preparation part and a second metering pump for inputting the second liquid in the second storage part into the liquid preparation part, so that the first liquid and the second liquid are uniformly mixed in the liquid preparation part.
2. The automatic liquid dispensing device of claim 1, wherein: the liquid preparation part is provided with an ultrasonic densimeter for detecting the density of the mixed liquid; when the ultrasonic densitometer detects that the density value of the mixed liquid is out of a preset range, the first metering pump or the second metering pump injects liquid into the liquid preparation part.
3. The automatic liquid dispensing device of claim 2, wherein: the density of the first liquid is greater than the density of the second liquid; when the density value of the mixed liquid detected by the ultrasonic densitometer is greater than a first density threshold value, the second metering pump injects a second liquid into the liquid preparation part; when the density value of the mixed liquid detected by the ultrasonic densitometer is smaller than a second density threshold value, the first metering pump injects a first liquid into the liquid preparation part; and when the density value of the mixed liquid detected by the ultrasonic density is between a first density threshold value and a second density threshold value, stopping working of the first metering pump and the second metering pump.
4. The automatic liquid dispensing device of claim 2, wherein: the liquid preparation part is provided with a stirring device so as to uniformly stir the first liquid and the second liquid in the liquid preparation part.
5. The automatic liquid dispensing device of claim 1, wherein: the automatic liquid preparation device also comprises a control module; at least one of the first storage part and the second storage part is provided with a liquid level meter to monitor the liquid level of the liquid; when the liquid level value detected by the liquid level meter is lower than a first liquid level threshold value, the control module gives an alarm.
6. The automatic dispensing device of claim 1, wherein: the automatic liquid preparation device also comprises a control module; the liquid preparation part is provided with a liquid level meter; when the liquid level meter detects that the liquid level in the liquid distribution part is higher than a second liquid level threshold value, the control module gives an alarm or controls the first metering pump and the second metering pump to work.
7. The automatic liquid dispensing device of claim 1, wherein: at least one of the first storage part, the second storage part and the liquid preparation part is provided with a TDS sensor for monitoring the impurity concentration of liquid in the first storage part or the second storage part or the liquid preparation part.
8. The automatic liquid dispensing device of claim 1, wherein: at least one of the first storage part, the second storage part and the liquid distribution part is provided with a temperature sensor so as to monitor the temperature of the liquid in the first storage part, the second storage part or the liquid distribution part.
9. The automatic liquid dispensing device of claim 1, wherein: the second storage part and the liquid preparation part are arranged in the same tank body, and the second storage part and the liquid preparation part are separated by a partition plate.
10. The automatic liquid dispensing device of claim 1, wherein: the automatic liquid preparation device also comprises a control module; the liquid preparation part is provided with an ultrasonic densimeter for detecting the density of the mixed liquid; when the density of the mixed liquid detected by the ultrasonic densitometer is out of a preset range, the control module controls the first metering pump and the second metering pump to adjust the flow ratio between the first metering pump and the second metering pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021534967.5U CN213193242U (en) | 2020-07-29 | 2020-07-29 | Automatic liquid preparation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021534967.5U CN213193242U (en) | 2020-07-29 | 2020-07-29 | Automatic liquid preparation device |
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| Publication Number | Publication Date |
|---|---|
| CN213193242U true CN213193242U (en) | 2021-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021534967.5U Active CN213193242U (en) | 2020-07-29 | 2020-07-29 | Automatic liquid preparation device |
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| CN (1) | CN213193242U (en) |
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- 2020-07-29 CN CN202021534967.5U patent/CN213193242U/en active Active
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