CN220084414U - PH value measurement sampling equipment - Google Patents
PH value measurement sampling equipment Download PDFInfo
- Publication number
- CN220084414U CN220084414U CN202320995227.9U CN202320995227U CN220084414U CN 220084414 U CN220084414 U CN 220084414U CN 202320995227 U CN202320995227 U CN 202320995227U CN 220084414 U CN220084414 U CN 220084414U
- Authority
- CN
- China
- Prior art keywords
- cleaning
- switch
- measuring
- measurement
- meter probe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005259 measurement Methods 0.000 title claims abstract description 63
- 238000005070 sampling Methods 0.000 title claims abstract description 45
- 238000004140 cleaning Methods 0.000 claims abstract description 188
- 239000007788 liquid Substances 0.000 claims abstract description 102
- 239000000523 sample Substances 0.000 claims abstract description 87
- 238000001139 pH measurement Methods 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims 2
- 238000000605 extraction Methods 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
Landscapes
- Automatic Analysis And Handling Materials Therefor (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model is suitable for the technical field of pH value measurement and provides pH value measurement sampling equipment. When the liquid level in the cleaning cylinder is measured to be reduced to the set value, the liquid discharge switch and the air discharge switch are closed, the vacuum pump assembly is started, the cleaning cylinder is measured to be sucked into the solution in the reaction kettle, and the pH value is measured; when the pH meter probe is cleaned, the vacuum pump assembly is closed, the cleaning assembly, the liquid discharge switch and the exhaust switch are opened, the pH meter probe is cleaned, the liquid discharge switch, the exhaust switch and the cleaning assembly are closed after a set time is reached, the pH meter probe is soaked in residual liquid, and the pH meter probe is prevented from being damaged due to exposure to air.
Description
Technical Field
The utility model belongs to the technical field of pH value measurement, and particularly relates to pH value measurement sampling equipment.
Background
At present, when the pH values of strong acid, strong alkali and high-temperature solution in a reaction kettle are measured, a pH meter probe cannot be cleaned in time due to severe environment, and the measurement is inaccurate and is easy to damage; and because the reaction kettle is not produced continuously, the pH meter probe is sometimes exposed to the air for a long time, and the pH meter probe is damaged.
Disclosure of Invention
The embodiment of the utility model provides a pH value measuring and sampling device, which can automatically clean a pH meter probe when measuring strong acid, strong alkali and high-temperature solution, so that the measurement is accurate, the service life of the pH meter probe is prolonged, and the problem that the pH meter probe is damaged due to long-time exposure to the air in discontinuous production is solved.
The embodiment of the utility model provides a pH value measuring and sampling device, which comprises:
the inlet of the measuring and cleaning cylinder is communicated with the reaction kettle, the outlet of the measuring and cleaning cylinder is communicated with the reaction kettle through a liquid discharge switch, and the inlet is positioned above the outlet;
the pH meter probe is arranged at the inner bottom of the measuring and cleaning cylinder;
the air inlet of the air exhaust switch is communicated with the air outlet of the measuring and cleaning cylinder, and the air outlet of the air exhaust switch is communicated with the outside;
the air inlet of the vacuum pump assembly is communicated with the air extracting opening of the measurement cleaning cylinder, and the air outlet of the vacuum pump assembly is communicated with the reaction kettle;
the pH meter probe cleaning assembly penetrates through the side wall of the measuring cleaning barrel, and the cleaning output end of the pH meter probe cleaning assembly is positioned in the measuring cleaning barrel.
Optionally, the pH value measurement sampling device further comprises a controller, one end of the pH meter probe, which is far away from the measurement cleaning barrel, is electrically connected with a pH meter signal line, and the output end of the controller is electrically connected with the control end of the vacuum pump assembly, the pH meter signal line, the control end of the pH meter probe cleaning assembly, the control end of the liquid discharge switch and the control end of the exhaust switch respectively.
Optionally, the pH measurement sampling device further includes a first liquid level switch and a second liquid level switch disposed on a side wall of the measurement cleaning barrel, the first liquid level switch is located above the second liquid level switch, and an output end of the first liquid level switch and an output end of the second liquid level switch are electrically connected with an input end of the controller.
Optionally, the pH meter probe cleaning assembly comprises a cleaning nozzle, a cleaning pipeline and a cleaning switch, wherein the cleaning nozzle is arranged in the measuring cleaning cylinder and positioned on the opposite side of the pH meter probe, one end of the cleaning pipeline penetrates through the side wall of the measuring cleaning cylinder and then is communicated with the cleaning nozzle, the other end of the cleaning pipeline is communicated with a discharge hole of the cleaning switch, and a feed hole of the cleaning switch is communicated with a cleaning source.
Optionally, the control end of the cleaning switch is electrically connected with the output end of the controller.
Optionally, the pH meter probe cleaning assembly comprises an ultrasonic cleaner penetrating through the side wall of the measuring cleaning barrel, and an ultrasonic transducer of the ultrasonic cleaner is arranged in the measuring cleaning barrel.
Optionally, the control end of the ultrasonic cleaner is electrically connected with the output end of the controller.
Optionally, the pH measuring and sampling device further comprises a manual sampling valve, and a feed inlet of the manual sampling valve is communicated with an outlet of the measuring and cleaning barrel.
The scheme of the utility model has the following beneficial effects:
in the embodiment of the utility model, during measurement, a vacuum pump assembly is started, a measuring and cleaning cylinder sucks the solution in the reaction kettle, a pH meter probe performs pH value measurement on the solution, when the liquid level in the measuring and cleaning cylinder rises to a set value, the vacuum pump assembly is closed, an exhaust switch and a liquid discharge switch are opened, the solution returns to the reaction kettle, when the liquid level in the measuring and cleaning cylinder falls to the set value, the liquid discharge switch and the exhaust switch are closed, the vacuum pump assembly is opened, the measuring and cleaning cylinder sucks the solution in the reaction kettle again, and the pH meter probe performs pH value measurement on the solution, so that the circulation is performed, and the measurement of the pH value is conveniently, quickly and safely completed; when cleaning, the vacuum pump assembly is closed, the pH meter probe cleaning assembly, the liquid discharging switch and the exhaust switch are opened, the pH meter probe is cleaned, the liquid discharging switch, the exhaust switch and the pH meter probe cleaning assembly are closed after the set time is reached, the pH meter probe is soaked in residual liquid, cleaning of the pH meter probe is automatically completed, the measurement is accurate, the service life of the pH meter probe is prolonged, and the damage of the pH meter probe in the air due to long-time exposure is effectively avoided.
Other advantageous effects of the present utility model will be described in detail in the detailed description section which follows.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a pH measuring and sampling apparatus according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a pH measuring and sampling apparatus according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram of a pH measuring and sampling apparatus according to an embodiment of the present utility model;
fig. 4 is a schematic diagram of a pH measurement sampling apparatus according to an embodiment of the present utility model.
[ reference numerals description ]
1. Measuring a cleaning cylinder; 2. a reaction kettle; 3. an ultrasonic cleaner; 4. a pH meter probe; 5. a liquid discharge switch; 6. a vacuum pump assembly; 7. a pH meter probe cleaning assembly; 8. a controller; 9. a cleaning source; 10. an exhaust switch; 11. a first liquid level switch; 12. a second liquid level switch; 13. a manual sampling valve; 14. the switch is cleaned.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth such as the particular system architecture, techniques, etc., in order to provide a thorough understanding of the embodiments of the present utility model. It will be apparent, however, to one skilled in the art that the present utility model may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present utility model with unnecessary detail.
It should be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It should also be understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
As used in the present description and the appended claims, the term "if" may be interpreted as "when..once" or "in response to a determination" or "in response to detection" depending on the context. Similarly, the phrase "if a determination" or "if a [ described condition or event ] is detected" may be interpreted in the context of meaning "upon determination" or "in response to determination" or "upon detection of a [ described condition or event ]" or "in response to detection of a [ described condition or event ]".
Furthermore, the terms "first," "second," "third," and the like in the description of the present specification and in the appended claims, are used for distinguishing between descriptions and not necessarily for indicating or implying a relative importance.
Reference in the specification to "one embodiment" or "some embodiments" or the like means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the utility model. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," and the like in the specification are not necessarily all referring to the same embodiment, but mean "one or more but not all embodiments" unless expressly specified otherwise. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless expressly specified otherwise.
At present, when the pH values of strong acid, strong alkali and high-temperature solution in a reaction kettle are measured, a pH meter probe cannot be cleaned in time due to severe environment, and the measurement is inaccurate and is easy to damage; and because the reaction kettle is not produced continuously, the pH meter probe is sometimes exposed to the air for a long time, and the pH meter probe is damaged.
The pH measurement sampling apparatus provided by the present utility model will be exemplarily described with reference to specific examples.
As shown in fig. 1, the pH measuring and sampling apparatus includes: the device comprises a measuring and cleaning cylinder 1, wherein an inlet of the measuring and cleaning cylinder 1 is communicated with a reaction kettle 2, an outlet of the measuring and cleaning cylinder 1 is communicated with the reaction kettle 2 through a liquid discharge switch 5, and the inlet is positioned above the outlet; a pH meter probe 4 arranged at the inner bottom of the measuring and cleaning barrel 1; the air inlet of the air exhaust switch 10 is communicated with the air exhaust port of the measuring and cleaning cylinder 1, and the air outlet of the air exhaust switch 10 is communicated with the outside; the air inlet of the vacuum pump assembly 6 is communicated with the air extracting opening of the measurement cleaning cylinder 1, and the air outlet of the vacuum pump assembly 6 is communicated with the reaction kettle 2; the pH meter probe cleaning component 7 penetrates through the side wall of the measuring cleaning barrel 1, and the cleaning output end of the pH meter probe cleaning component 7 is positioned in the measuring cleaning barrel 1.
When the pH value measurement sampling equipment is used for measurement, the pH meter probe cleaning assembly 7, the liquid discharge switch 5 and the exhaust switch 10 are closed, the vacuum pump assembly 6 is started, so that the measurement cleaning cylinder 1 generates vacuum, the solution in the reaction kettle 2 is sucked, the pH meter probe 4 arranged in the measurement cleaning cylinder 1 is used for measuring the pH value of the solution, the liquid level in the measurement cleaning cylinder 1 rises along with the continuous suction of the solution, when the liquid level in the measurement cleaning cylinder 1 rises to a set value, the vacuum pump assembly 6 is closed, the exhaust switch 10 and the liquid discharge switch 5 are opened, the solution returns to the reaction kettle 2 from the measurement cleaning cylinder 1, when the liquid level in the measurement cleaning cylinder 1 falls to the set value, the liquid discharge switch 5 and the exhaust switch 10 are closed, the vacuum pump assembly 6 is started, the solution in the reaction kettle 2 is sucked again by the measurement cleaning cylinder 1, and the pH meter probe 4 is used for measuring the pH value of the solution, and the circulation is performed, so that the measurement of the pH value is conveniently, quickly and safely completed; when cleaning, the vacuum pump assembly 6 is closed, the pH meter probe cleaning assembly 7, the liquid discharge switch 5 and the exhaust switch 10 are opened, the pH meter probe 4 is cleaned, the liquid discharge switch 5, the exhaust switch 10 and the pH meter probe cleaning assembly 7 are closed after the cleaning is completed, the pH meter probe 4 is soaked in the residual liquid in the measurement cleaning cylinder 1, the cleaning of the pH meter probe 4 is automatically completed, the measurement is accurate, the service life of the pH meter probe 4 is prolonged, and the damage of the pH meter probe 4 due to long-time exposure in the air is effectively avoided.
It should be noted that the above liquid level rises to a set value, and this set value may be adjusted as needed, and illustratively, when the liquid level of the measuring and cleaning drum 1 rises to 4/5 of the measuring and cleaning drum 1, the vacuum pump assembly 6 is turned off, the drain switch 10 and the drain switch 5 are turned on, and when the liquid level of the measuring and cleaning drum 1 falls to 1/5 of the measuring and cleaning drum 1, the drain switch 5 and the drain switch 10 are turned off, and the vacuum pump assembly 6 is turned on.
It can be understood that the set value can be judged manually or with the aid of the graduated measuring and cleaning cylinder 1.
In some embodiments of the present utility model, as shown in fig. 1 to 4, the drain switch 5 and the exhaust switch 10 may be a manual switch or an electric switch (such as a solenoid valve).
In some embodiments of the present utility model, as shown in fig. 2 to 4, the pH measurement sampling apparatus further includes a controller 8, and one end of the pH meter probe 4 away from the measurement cleaning cylinder 1 is electrically connected to a pH meter signal line, and an output end of the controller 8 is electrically connected to a control end of the vacuum pump assembly 6, the pH meter signal line, a control end of the pH meter probe cleaning assembly 7, a control end of the drain switch 5, and a control end of the exhaust switch 10, respectively.
In some embodiments of the present utility model, when the drain switch 5 and the drain switch 10 are electric switches, the open and closed states of the drain switch 5 and the drain switch 10 are automatically controlled by the controller 8.
In some embodiments of the present utility model, as shown in fig. 1 to 4, the pH measuring and sampling apparatus further includes a first liquid level switch 11 and a second liquid level switch 12 disposed on a sidewall of the measuring and cleaning barrel 1, the first liquid level switch 11 is located above the second liquid level switch 12, and an output end of the first liquid level switch 11 and an output end of the second liquid level switch 12 are electrically connected to an input end of the controller 8.
The first liquid level switch 11 and the second liquid level switch 12 are used for generating a trigger signal when the solution in the cleaning barrel 1 reaches a preset height, transmitting the trigger signal to the controller 8, and the controller 8 controls the opening and closing states of the liquid discharge switch 5, the air discharge switch 10, the vacuum pump assembly 6 and the pH meter probe cleaning assembly 7 according to the trigger signals transmitted by the first liquid level switch 11 and the second liquid level switch 12.
In some embodiments of the present utility model, as shown in fig. 2 and 4, the pH meter probe cleaning assembly 7 includes a cleaning nozzle, a cleaning pipe and a cleaning switch 14, the cleaning nozzle is disposed in the measuring cleaning cylinder 1 and located opposite to the pH meter probe 4, one end of the cleaning pipe passes through the sidewall of the measuring cleaning cylinder 1 and is communicated with the cleaning nozzle, the other end is communicated with a discharge port of the cleaning switch 14, and a feed port of the cleaning switch 14 is communicated with the cleaning source 9.
In some embodiments of the present utility model, the control terminal of the purge switch 14 is electrically connected to the output terminal of the controller 8.
When the pH value measurement sampling device is used for measurement, the controller 8 controls the cleaning switch 14, the liquid discharge switch 5 and the exhaust switch 10 to be closed, the vacuum pump assembly 6 is opened, the measurement cleaning cylinder 1 generates vacuum, the solution in the reaction kettle 2 is sucked in, the controller 8 controls the pH meter probe 4 arranged in the measurement cleaning cylinder 1 to measure the pH value of the solution, the liquid level in the measurement cleaning cylinder 1 rises along with the continuous suction of the solution, when the liquid level rises to a high position (namely, the position of the first liquid level switch 11), the first liquid level switch 11 generates a trigger signal and transmits the trigger signal to the controller 8, the controller 8 controls the vacuum pump assembly 6 to be closed based on the trigger signal, the exhaust switch 10 and the liquid discharge switch 5 to be opened, the solution returns to the reaction kettle 2 from the measurement cleaning cylinder 1, when the liquid level drops to a low position (namely, the position of the second liquid level switch 12) is reached, the controller 8 controls the liquid discharge switch 5 and the exhaust switch 10 to be closed based on the trigger signal, and the pH meter probe 8 is sucked in the measurement cleaning cylinder 1, so that the pH value of the solution is measured quickly and conveniently and safely; during cleaning, the controller 8 can control the vacuum pump assembly 6 to be closed, the cleaning switch 14, the liquid discharging switch 5 and the exhaust switch 10 to be opened, the cleaning source 9 is utilized to clean the pH meter probe 4, after the cleaning is completed, the liquid discharging switch 5, the exhaust switch 10 and the cleaning switch 14 are closed, so that the pH meter probe 4 is soaked in the residual cleaning source 9 liquid in the measuring cleaning cylinder 1, the cleaning of the pH meter probe 4 is automatically completed, the measuring is accurate, the service life of the pH meter probe 4 is prolonged, and the damage of the pH meter probe 4 caused by long-time exposure in the air is effectively avoided.
In some embodiments of the present utility model, the cleaning switch 14 may be a manual switch or an electric switch (e.g. a solenoid valve), and when the cleaning switch 14 is a manual switch, the cleaning switch 14 may be manually controlled to be turned on or off.
In some embodiments of the present utility model, as shown in fig. 3 and 4, the pH meter probe cleaning assembly 7 includes an ultrasonic cleaner 3 penetrating the sidewall of the measurement cleaning cylinder 1, and an ultrasonic transducer of the ultrasonic cleaner 3 is disposed inside the measurement cleaning cylinder 1.
In some embodiments of the present utility model, the control terminal of the ultrasonic cleaner 3 is electrically connected to the output terminal of the controller 8.
The ultrasonic cleaner 3 may be manually controlled to be opened and closed, or may be automatically controlled to be opened and closed by the controller 8.
It should be noted that, the above-mentioned ultrasonic cleaner 3 has various arrangements, and as shown in fig. 3, the pH meter probe cleaning assembly 7 may include only the ultrasonic cleaner 3, and as shown in fig. 4, the pH meter probe cleaning assembly 7 may also include the above-mentioned cleaning nozzle, cleaning pipe, cleaning switch 14 and ultrasonic cleaner 3.
When the pH meter probe cleaning assembly 7 only comprises the ultrasonic cleaner 3, the controller 8 controls the ultrasonic cleaner 3, the liquid discharge switch 5 and the exhaust switch 10 to be closed during measurement, the vacuum pump assembly 6 is opened, the measurement cleaning barrel 1 generates vacuum, the solution in the reaction kettle 2 is sucked in, the controller 8 controls the pH meter probe 4 arranged in the measurement cleaning barrel 1 to perform pH value measurement on the solution, the liquid level in the measurement cleaning barrel 1 is increased along with the continuous suction of the solution, when the liquid level is increased to a high position, the first liquid level switch 11 generates a trigger signal and transmits the trigger signal to the controller 8, the controller 8 controls the vacuum pump assembly 6 to be closed based on the trigger signal, the exhaust switch 10 and the liquid discharge switch 5 to be opened, the solution is returned from the measurement cleaning barrel 1 to the reaction kettle 2, when the liquid level is reduced to a low position, the controller 8 controls the liquid discharge switch 5 and the exhaust switch 10 to be closed, the vacuum pump assembly 6 is opened, the measurement probe 1 is sucked in the reaction kettle 2, the pH value of the solution is controlled by the controller 8 based on the trigger signal, and the pH value of the solution is measured conveniently and rapidly, and safely; during cleaning, the controller 8 controls the vacuum pump assembly 6, the liquid discharge switch 5 and the exhaust switch 10 to be closed, the ultrasonic cleaner 3 is started, the ultrasonic cleaner 3 is used for cleaning the pH meter probe 4 by using the residual solution in the measuring cleaning cylinder 1, after the cleaning is completed, the controller 8 controls the liquid discharge switch 5 and the exhaust switch 10 to be opened, the ultrasonic cleaner 3 is closed, the residual solution is discharged from the measuring cleaning cylinder 1, then the controller 8 controls the liquid discharge switch 5 and the exhaust switch 10 to be closed, the vacuum pump assembly 6 is opened, the solution in the reaction kettle 2 is pumped out, when the liquid level in the measuring cleaning cylinder 1 reaches a low level, the second liquid level switch 12 generates a trigger signal and transmits the trigger signal to the controller 8, and the controller 8 controls the liquid discharge switch 5 and the exhaust switch 10 to be closed based on the trigger signal, so that the pH meter probe 4 is soaked in the solution in the measuring cleaning cylinder 1, the cleaning of the pH meter probe 4 is automatically completed, the measurement is accurate, the service life of the pH meter probe 4 is prolonged, and the pH meter probe 4 is effectively prevented from being damaged due to long-time exposure to the air.
When the pH meter probe cleaning assembly 7 simultaneously comprises a cleaning source 9, a cleaning switch 14 and an ultrasonic cleaner 3, the controller 8 controls the ultrasonic cleaner 3, the cleaning switch 14, the liquid discharge switch 5 and the air discharge switch 10 to be closed during measurement, the vacuum pump assembly 6 is opened to enable the measurement cleaning cylinder 1 to generate vacuum, the pH meter probe 4 arranged in the measurement cleaning cylinder 1 is used for measuring the pH value of the solution, the liquid level in the measurement cleaning cylinder 1 is increased along with the continuous suction of the solution, when the liquid level is increased to a high position, the first liquid level switch 11 generates a trigger signal and transmits the trigger signal to the controller 8, the controller 8 controls the vacuum pump assembly 6 to be closed based on the trigger signal, the air discharge switch 10 and the liquid discharge switch 5 are opened to enable the solution to return to the reaction kettle 2 from the measurement cleaning cylinder 1, when the liquid level is reduced to a low position, the second liquid level switch 12 generates the trigger signal and transmits the trigger signal to the controller 8, the controller 8 controls the liquid discharge switch 5 and the air discharge switch 10 to be closed based on the trigger signal, and the vacuum pump assembly 6 is used for controlling the liquid discharge pump assembly 1 to suck the pH value into the reaction kettle 2, and the pH meter 1 is conveniently and safely circulated, and the pH meter is conveniently and safely controlled, and the pH meter is completely and safely measured; during cleaning, the controller 8 controls the vacuum pump assembly 6, the ultrasonic cleaner 3, the liquid discharge switch 5 and the exhaust switch 10 to be closed, the cleaning switch 14 is opened, the cleaning source 9 is used for cleaning the pH meter probe 4, when the cleaning source 9 rises to a high position, the first liquid level switch 11 generates a trigger signal and transmits the trigger signal to the controller 8, the controller 8 controls the cleaning switch 14 to be closed, the ultrasonic cleaner 3 is controlled to be opened, the ultrasonic cleaner 3 is used for cleaning the pH meter probe 4, the controller 8 controls the liquid discharge switch 5 and the exhaust switch 10 to be opened after the cleaning time is up, the liquid in the measuring cleaning cylinder 1 is discharged, the controller 8 controls the liquid discharge switch 5 and the exhaust switch 10 to be opened after the set time is up, the cleaning switch 14 is started, when the cleaning source 9 rises to a preset low position, the second liquid level switch 12 generates a trigger signal and transmits the trigger signal to the controller 8, the controller 8 controls the cleaning switch 14 to be closed, so that the pH meter probe 4 is soaked in residual cleaning source 9 liquid in the measuring cleaning cylinder 1, the cleaning source 4 is automatically cleaned, the liquid in the measuring cylinder 4 is accurately, the pH meter probe 4 is prevented from being damaged due to long service life of the measuring cylinder 4, and the measuring meter probe 4 is prevented from being exposed to the air.
In some embodiments of the utility model, as shown in fig. 1 to 4, the pH measuring and sampling device further comprises a manual sampling valve 13, wherein the feed inlet of the manual sampling valve 13 is communicated with the outlet of the measuring and cleaning barrel 1.
The manual sampling valve 13 is used for manual sampling, and when necessary, manual sampling can be performed through the manual sampling valve 13. The manual sampling process may be, for example, to prepare a container, which may be a measuring cup, place the container at the discharge port of the manual sampling valve 13, and in the pH measurement process, open the manual sampling valve 13 to conveniently and rapidly obtain the solution in the reaction kettle 2 without manually scooping.
In some embodiments of the present utility model, the controller 8 may be a Programmable Logic Controller (PLC).
The liquid level switches are configured to receive signals from the liquid level switches, and output corresponding control signals to the switches, the pump, the pH meter probe 4, the valve, the ultrasonic cleaner 3, and the like, and when a set time is reached, control the liquid discharge switch 5, the air discharge switch 10, the cleaning switch 14, and the like to be turned on or off, respectively, as functions of the controller 8 itself.
In some embodiments of the present utility model, the pH measuring and sampling device further includes a pH meter (not shown in the drawing), and the pH meter signal line is electrically connected to a receiving end of the pH meter. The pH meter is used for acquiring measurement data of the pH meter probe 4, and can display the numerical value on a screen of the pH meter.
It will be appreciated that the functions of the pH meter described above may be integrated on the controller 8.
In some embodiments of the present utility model, the pH measuring and sampling device may further be externally connected with a power supply (not shown in the drawings), and the power supply may be electrically connected with the ultrasonic cleaner 3, the pH meter probe 4, the drain switch 5, the vacuum pump assembly 6, the pH meter probe cleaning assembly 7, the controller 8, the exhaust switch 10, the first liquid level switch 11, the second liquid level switch 12, the cleaning switch 14, and the like, respectively. The power supply can enable the pH value measurement sampling device to continuously and stably operate.
The functions of the controller 8 itself are to receive a signal output from the liquid level switch, control the on/off of the vacuum pump unit 6, the solenoid valves and the switches, and control the on/off of the switches when a set time is reached.
In some embodiments of the present utility model, the above-mentioned respective portions to be communicated may be communicated by a pipe. It should be noted that the above-mentioned pipe is selected on the basis of being not corroded by the solution in the reaction vessel 2 and not reacting with the solution in the reaction vessel 2.
While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the present utility model.
Claims (8)
1. A pH measurement sampling device, comprising:
the device comprises a measuring and cleaning cylinder (1), wherein an inlet of the measuring and cleaning cylinder (1) is communicated with a reaction kettle (2), an outlet of the measuring and cleaning cylinder (1) is communicated with the reaction kettle (2) through a liquid discharge switch (5), and the inlet is positioned above the outlet;
a pH meter probe (4) arranged at the inner bottom of the measuring and cleaning barrel (1);
the air inlet of the air exhaust switch (10) is communicated with the air outlet of the measuring and cleaning cylinder (1), and the air outlet of the air exhaust switch (10) is communicated with the outside;
the air inlet of the vacuum pump assembly (6) is communicated with the air extraction opening of the measurement cleaning cylinder (1), and the air outlet of the vacuum pump assembly (6) is communicated with the reaction kettle (2);
the pH meter probe cleaning assembly (7) is arranged on the side wall of the measuring cleaning barrel (1) in a penetrating mode, and the cleaning output end of the pH meter probe cleaning assembly (7) is located in the measuring cleaning barrel (1).
2. The pH measurement sampling device according to claim 1, further comprising a controller (8), wherein one end of the pH meter probe (4) away from the measurement cleaning cylinder (1) is electrically connected with a pH meter signal line, and an output end of the controller (8) is electrically connected with a control end of the vacuum pump assembly (6), the pH meter signal line, a control end of the pH meter probe cleaning assembly (7), a control end of the drain switch (5) and a control end of the exhaust switch (10), respectively.
3. The pH measurement sampling device according to claim 2, further comprising a first liquid level switch (11) and a second liquid level switch (12) arranged on a side wall of the measurement cleaning barrel (1), wherein the first liquid level switch (11) is located above the second liquid level switch (12), and an output end of the first liquid level switch (11) and an output end of the second liquid level switch (12) are electrically connected with an input end of the controller (8).
4. The pH measurement sampling device according to claim 2, wherein the pH meter probe cleaning assembly (7) comprises a cleaning nozzle, a cleaning pipe and a cleaning switch (14), the cleaning nozzle is disposed in the measurement cleaning cylinder (1) and located opposite to the pH meter probe (4), one end of the cleaning pipe penetrates through the side wall of the measurement cleaning cylinder (1) and is communicated with the cleaning nozzle, the other end of the cleaning pipe is communicated with a discharge port of the cleaning switch (14), and a feed port of the cleaning switch (14) is communicated with the cleaning source (9).
5. The pH measuring sampling device according to claim 4, wherein the control terminal of the washing switch (14) is electrically connected to the output terminal of the controller (8).
6. The pH measurement sampling device according to claim 2, wherein the pH meter probe cleaning assembly (7) comprises an ultrasonic cleaner (3) penetrating the side wall of the measurement cleaning barrel (1), and an ultrasonic transducer of the ultrasonic cleaner (3) is arranged in the measurement cleaning barrel (1).
7. The pH measuring and sampling device according to claim 6, wherein the control end of the ultrasonic cleaner (3) is electrically connected to the output end of the controller (8).
8. The pH measuring and sampling device according to claim 1, further comprising a manual sampling valve (13), the feed inlet of the manual sampling valve (13) being in communication with the outlet of the measuring and washing cartridge (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320995227.9U CN220084414U (en) | 2023-04-27 | 2023-04-27 | PH value measurement sampling equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320995227.9U CN220084414U (en) | 2023-04-27 | 2023-04-27 | PH value measurement sampling equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220084414U true CN220084414U (en) | 2023-11-24 |
Family
ID=88816111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320995227.9U Active CN220084414U (en) | 2023-04-27 | 2023-04-27 | PH value measurement sampling equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220084414U (en) |
-
2023
- 2023-04-27 CN CN202320995227.9U patent/CN220084414U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5511408A (en) | Automatic calibrating apparatus for laboratory ion concentration meter | |
| CN107271707B (en) | Sample introduction device and detection system | |
| CN102369054B (en) | Fluid mixing device, medical fluid testing device, and endoscope processing device | |
| JP2004271266A (en) | Dispensing device and autoanalyzer using the same | |
| CN112971660A (en) | Water level detection method and dish washing machine | |
| CN104807753B (en) | A kind of two-chamber flow cell turbidimetry system and its control method | |
| JP5975772B2 (en) | Automatic analyzer | |
| CN220084414U (en) | PH value measurement sampling equipment | |
| CN215005359U (en) | Early warning device of water quality testing instrument | |
| US11079402B2 (en) | Automatic analyzing apparatus, and method for detecting flow path clogging of the automatic analyzing apparatus | |
| CN112946203B (en) | System for use aqueous ammonia analysis appearance on-line analysis canning aqueous ammonia | |
| JP5651369B2 (en) | Automatic titration analyzer, automatic titration analysis method, processing liquid automatic analysis management system, and processing liquid automatic titration analysis method | |
| JP2010217147A (en) | System for control of pressure in flow system for use in biochemical autoanalyzer | |
| CN217593484U (en) | Gastric lavage machine and gastric lavage machine parameter detection device | |
| CN219675949U (en) | PH value measurement sampling equipment | |
| CN211927847U (en) | Container capable of measuring PH value on line | |
| CN211488910U (en) | Cleaning system and sample analyzer | |
| CN216260047U (en) | Conductivity detection device of electrically-driven membrane CIP equipment | |
| CN114324941A (en) | Gynecological secretion detection device and sample reaction mechanism and method thereof | |
| CN218459430U (en) | Liquid preparation device and centralized liquid supply system | |
| CN110672869B (en) | Device and method for detecting blocking of sample needle | |
| CN209549111U (en) | A kind of dry end point determination device of haloflex and scrubbing tower | |
| CN218902955U (en) | Vacuum diaphragm pump belt cleaning device | |
| CN221099798U (en) | Drainage flow measuring and detecting equipment for flushing cistern | |
| CN213714658U (en) | Blowdown interface valve test fixture |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |