CN212180359U - Automatic calibration structure of peristaltic pump - Google Patents
Automatic calibration structure of peristaltic pump Download PDFInfo
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- CN212180359U CN212180359U CN202020823303.4U CN202020823303U CN212180359U CN 212180359 U CN212180359 U CN 212180359U CN 202020823303 U CN202020823303 U CN 202020823303U CN 212180359 U CN212180359 U CN 212180359U
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- peristaltic pump
- liquid level
- level sensor
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- water cup
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Abstract
The utility model discloses an automatic calibration structure of a peristaltic pump, which comprises a control system, a starting control device connected with the control system, the peristaltic pump connected with the starting control device, a medicine adding bottle connected with the peristaltic pump, a sample water cup connected with the peristaltic pump, a first liquid level sensor arranged on the sample water cup and a second liquid level sensor arranged on the sample water cup, wherein the first liquid level sensor is arranged above the second liquid level sensor; the liquid level sensor is used for detecting the liquid level in the sample water cup; the control system controls the starting of the peristaltic pump through the starting control device, and the peristaltic pump extracts the reagent or the standard solution from the dosing bottle and injects the reagent or the standard solution into the sample water cup. The utility model adopts the above structure, realize the automatic calibration peristaltic pump, improve the degree of accuracy of the confession sample of peristaltic pump, avoid because the error that the long-time operation of peristaltic pump leads to, and then improve the degree of accuracy of on-line monitoring equipment.
Description
Technical Field
The utility model relates to a quality of water on-line monitoring system technical field, concretely relates to peristaltic pump automatic calibration structure.
Background
The peristaltic pump is a fitting commonly used in water quality on-line monitoring equipment. After the peristaltic pump runs for a long time, the sample feeding accuracy of the peristaltic pump is reduced due to the abrasion of the stepping motor and the loss of the peristaltic pump pipe. The stepping motor and the peristaltic pump tube need to be replaced regularly, and the maintenance cost is too high. Meanwhile, the installation position of the water quality on-line monitoring equipment is remote, the on-site removal is troublesome, and manpower and material resources are consumed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to disclose a peristaltic pump automatic calibration structure, solved the problem that prior art control peristaltic pump consumes manpower and materials under the central line.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an automatic calibration structure of a peristaltic pump comprises a control system, a starting control device connected with the control system, the peristaltic pump connected with the starting control device, a dosing bottle connected with the peristaltic pump, a sample water cup connected with the peristaltic pump, a first liquid level sensor arranged on the sample water cup and a second liquid level sensor arranged on the sample water cup, wherein the first liquid level sensor is arranged above the second liquid level sensor; the liquid level sensor is used for detecting the liquid level in the sample water cup; the control system controls the starting of the peristaltic pump through the starting control device, and the peristaltic pump extracts the reagent or the standard solution from the dosing bottle and injects the reagent or the standard solution into the sample water cup.
Further, still include first reagent pipe, first end of first reagent pipe with the peristaltic pump is connected, the second end of first reagent pipe with add the medicine bottle and be connected.
And the first end of the second reagent tube is connected with the peristaltic pump, and the second end of the second reagent tube extends into the sample water cup.
Further, the first liquid level sensor and the second liquid level sensor are respectively connected with the control device.
Further, the starting control device is a programmable automatic controller or a singlechip.
Further, the device also comprises a switch, and the switch is arranged between the control system and the starting control device.
Furthermore, the control system comprises a control circuit board, and a power supply circuit is arranged on the control circuit board.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a can reduce the labour cost and go the on-the-spot time that consumes, reduce the fortune dimension cost of equipment, prolong artifical on-the-spot maintenance cycle's peristaltic pump automatic calibration technique greatly.
The utility model discloses realize the automatic calibration peristaltic pump, improve the degree of accuracy of the confession sample of peristaltic pump, avoid because the error that the long-time operation of peristaltic pump leads to, and then improve the degree of accuracy of on-line monitoring equipment. The embodiment reduces the labor cost and the time consumed by going to the field, reduces the operation and maintenance cost of equipment, greatly prolongs the manual field maintenance period, does not need manual participation in the whole process, and greatly improves the sample supply accuracy of the peristaltic pump, thereby improving the measurement accuracy of the on-line instrument.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural view of an embodiment of an automatic calibration structure of a peristaltic pump according to the present invention;
in the figure, a control system 1; starting the control device 2; a peristaltic pump 3; a first reagent tube 4; a second reagent tube 5; a medicine adding bottle 6; a sample cup 7; a first level sensor 8; a second liquid level sensor 9.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
According to the embodiment of fig. 1, the automatic calibration structure of the peristaltic pump comprises a control system 1, a starting control device 2 connected with the control system 1, a peristaltic pump 3 connected with the starting control device 2, a first reagent tube 4, a second reagent tube 5, a dosing bottle 6, a sample cup 7, a first liquid level sensor 8 arranged on the sample cup 7 and a second liquid level sensor 9 arranged on the sample cup 7, wherein the first liquid level sensor 8 is arranged above the second liquid level sensor 9. The medicine adding bottle 6 is used for containing reagent or standard solution, and the first liquid level sensor 8 and the second liquid level sensor 9 are pressure sensors used for detecting the liquid level in the sample water cup 7.
The first end of first reagent pipe 4 is connected with peristaltic pump 3, and the second end of first reagent pipe 4 is connected with medicine bottle 6. The first end of the second reagent tube 5 is connected with the peristaltic pump 3, and the second end of the second reagent tube 5 extends into the sample cup 7. The control system 1 controls the starting control device 2 to start the peristaltic pump 3, and the peristaltic pump 3 extracts the reagent or the standard solution from the dosing bottle 6 and injects the reagent or the standard solution into the sample water cup 7. The time is recorded when the level of the sample cup 7 reaches the first level sensor and again when the level reaches the second level sensor, the peristaltic pump being calibrated with the time required for the level to go from the first to the second level sensor. The first liquid level sensor 8 and the second liquid level sensor 9 are respectively connected with the control device.
The starting control device 2 can be a programmable automatic controller or a singlechip and the like. The present embodiment further comprises a switch (not shown) arranged between the control system 1 and the start-up control means 2. The control system 1 comprises a control circuit board, and a power supply circuit is arranged on the control circuit board.
In this embodiment, the amount of reagent or standard solution added is controlled by the height difference between the first level sensor 8 and the second level sensor 9, and the peristaltic pump is calibrated by calculating the time or the number of steps for the peristaltic pump to run the reagent or standard solution from the first level sensor 8 to the second level sensor 9. The whole process does not need manual participation.
The embodiment realizes automatic calibration of the peristaltic pump, improves the accuracy of a sample supplied by the peristaltic pump, avoids errors caused by long-time operation of the peristaltic pump, and further improves the accuracy of on-line monitoring equipment. The embodiment reduces the labor cost and the time consumed by going to the field, reduces the operation and maintenance cost of equipment, greatly prolongs the manual field maintenance period, does not need manual participation in the whole process, and greatly improves the sample supply accuracy of the peristaltic pump, thereby improving the measurement accuracy of the on-line instrument.
Other structures of this embodiment are seen in the prior art.
The present invention is not limited to the above embodiment, and various modifications and variations of the present invention are also intended to be included within the scope of the claims and the equivalent technical scope of the present invention if they do not depart from the spirit and scope of the present invention.
Claims (7)
1. The utility model provides a peristaltic pump self-calibration structure which characterized by: the system comprises a control system, a starting control device connected with the control system, a peristaltic pump connected with the starting control device, a dosing bottle connected with the peristaltic pump, a sample water cup connected with the peristaltic pump, a first liquid level sensor arranged on the sample water cup and a second liquid level sensor arranged on the sample water cup, wherein the first liquid level sensor is arranged above the second liquid level sensor; the liquid level sensor is used for detecting the liquid level in the sample water cup; the control system controls the starting of the peristaltic pump through the starting control device, and the peristaltic pump extracts the reagent or the standard solution from the dosing bottle and injects the reagent or the standard solution into the sample water cup.
2. An automatic calibration structure for a peristaltic pump as claimed in claim 1, wherein: the first end of the first reagent tube is connected with the peristaltic pump, and the second end of the first reagent tube is connected with the medicine adding bottle.
3. An automatic calibration structure for a peristaltic pump as claimed in claim 2, wherein: the first end of the second reagent tube is connected with the peristaltic pump, and the second end of the second reagent tube extends into the sample water cup.
4. An automatic calibration structure for a peristaltic pump as claimed in any one of claims 1 to 3, wherein: the first liquid level sensor and the second liquid level sensor are respectively connected with the control device.
5. An automatic calibration structure for a peristaltic pump as claimed in any one of claims 1 to 3, wherein: the starting control device is a programmable automatic controller or a singlechip.
6. An automatic calibration structure for a peristaltic pump as claimed in any one of claims 1 to 3, wherein: the starting control device is characterized by further comprising a switch, wherein the switch is arranged between the control system and the starting control device.
7. An automatic calibration structure for a peristaltic pump as claimed in any one of claims 1 to 3, wherein: the control system comprises a control circuit board, and a power supply circuit is arranged on the control circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020823303.4U CN212180359U (en) | 2020-05-16 | 2020-05-16 | Automatic calibration structure of peristaltic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020823303.4U CN212180359U (en) | 2020-05-16 | 2020-05-16 | Automatic calibration structure of peristaltic pump |
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| CN212180359U true CN212180359U (en) | 2020-12-18 |
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| CN202020823303.4U Active CN212180359U (en) | 2020-05-16 | 2020-05-16 | Automatic calibration structure of peristaltic pump |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111521440A (en) * | 2020-05-16 | 2020-08-11 | 广州尚广环保科技有限公司 | Automatic calibration structure of peristaltic pump |
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2020
- 2020-05-16 CN CN202020823303.4U patent/CN212180359U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111521440A (en) * | 2020-05-16 | 2020-08-11 | 广州尚广环保科技有限公司 | Automatic calibration structure of peristaltic pump |
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