CN214583355U - Hydrogen peroxide concentration sensor calibrator - Google Patents
Hydrogen peroxide concentration sensor calibrator Download PDFInfo
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- CN214583355U CN214583355U CN202120505594.7U CN202120505594U CN214583355U CN 214583355 U CN214583355 U CN 214583355U CN 202120505594 U CN202120505594 U CN 202120505594U CN 214583355 U CN214583355 U CN 214583355U
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Abstract
The embodiment of the utility model discloses hydrogen peroxide concentration sensor calibrator, including the calibrator body, the calibrator body includes: the solution box comprises a solution containing groove and a plurality of sensor sockets, wherein the solution containing groove is used for containing the hydrogen peroxide solution to be detected, the sensor sockets are used for containing a plurality of sensors including the hydrogen peroxide concentration sensor to be calibrated, and the solution box is in a sealed state after the sensor sockets are all inserted with various sensors; a controller including an arithmetic unit and a calibration unit; the operation unit is used for performing operation on the received detection data of various sensors according to a preset operation program to obtain operation result data; the calibration unit is used for calibrating the hydrogen peroxide concentration sensor to be calibrated according to a preset calibration program and the operation result data. The utility model discloses the realization carries out effectual calibration to hydrogen peroxide concentration sensor.
Description
Technical Field
The utility model relates to a technical field of sensor calibrator especially relates to a hydrogen peroxide concentration sensor calibrator.
Background
The chemical formula of the hydrogen peroxide is H O, and the hydrogen peroxide is commonly called hydrogen peroxide because of two O. The appearance is colorless transparent liquid, and the water solution is a strong oxidant suitable for medical wound disinfection, environmental disinfection and food disinfection. Generally, water and oxygen are decomposed, but the decomposition rate is extremely slow, and the reaction speed is accelerated by adding a catalyst, manganese dioxide, or irradiating with short-wave rays. At present, a hydrogen peroxide concentration sensor has no national standard and effective direct calibration method at home, but the hydrogen peroxide concentration sensor is applied to medical and pharmaceutical equipment more and more. At present, the calibration method of the hydrogen peroxide concentration sensor known in China has obvious defects that firstly, sulfur dioxide is adopted as a standard gas for indirect calibration, and secondly, a hydrogen peroxide generator is adopted as a standard gas for direct calibration, but the sulfur dioxide as the standard gas cannot directly reflect the concentration of hydrogen peroxide, and the hydrogen peroxide generator as the standard gas is not traceable. Because the hydrogen peroxide sterilization technology is applied more and more at present, the hydrogen peroxide concentration sensor is used as a key control component for hydrogen peroxide process sterilization, the concentration value of hydrogen peroxide in the hydrogen peroxide process needs to be accurately measured, and because the chemical property of hydrogen peroxide is unstable, a stable and accurate gas environment cannot be provided for calibration of the hydrogen peroxide concentration sensor. Along with the progress and development of society, the production requirement of human beings on products is higher and higher, and the production requirement is more and more standard, and especially the fields of high quality, fine quality and sharp point are particularly obvious. The hydrogen peroxide concentration sensor is generated at the same time, and can transmit corresponding data of different positions for analysis by people. At present, due to various reasons, the data transmitted by the hydrogen peroxide concentration sensor often has a greater or lesser difference from the actual data, and particularly, the influence is great when the precision requirement is high. Therefore, a calibration instrument for a hydrogen peroxide concentration sensor is needed to effectively calibrate the hydrogen peroxide concentration sensor.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is necessary to provide a calibration instrument for a hydrogen peroxide concentration sensor to solve the following problems in the prior art: for various reasons, the data transmitted by the hydrogen peroxide concentration sensor often has a greater or lesser difference from the actual data, which can have a great effect in situations where the accuracy requirements are high.
The embodiment of the utility model provides a technical scheme does:
a hydrogen peroxide concentration sensor calibrator comprising a calibrator body, the calibrator body comprising: the solution box comprises a solution containing groove and a plurality of sensor sockets, wherein the solution containing groove is used for containing hydrogen peroxide solution to be detected, the sensor sockets are used for containing a plurality of sensors including hydrogen peroxide concentration sensors to be calibrated, and the solution box is in a sealed state after the sensor sockets are all inserted with the sensors; the controller comprises an operation unit and a calibration unit, is arranged in the calibrator body and is electrically connected with the plurality of sensors; the operation unit is used for performing operation on the received detection data of various sensors according to a preset operation program to obtain operation result data; the calibration unit is used for calibrating the hydrogen peroxide concentration sensor to be calibrated according to a preset calibration program and the operation result data.
Adopt the embodiment of the utility model provides a, following beneficial effect has:
the utility model discloses a hydrogen peroxide concentration sensor calibrator, hold the solution box of groove and a plurality of sensor socket including solution through the setting, and set up the controller including arithmetic unit and calibration unit, a plurality of sensors can detect the various data that wait to detect hydrogen peroxide solution, can wait to detect the data of hydrogen peroxide solution to calculate to various data that wait to detect through the arithmetic unit, obtain operation result data, rethread calibration unit is according to presetting calibration procedure and operation result data, it calibrates to treat calibration hydrogen peroxide concentration sensor, can be accurate convenient calibrate hydrogen peroxide concentration sensor, the accuracy of hydrogen peroxide concentration sensor transmission data has been guaranteed effectively.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 creative efforts.
Wherein:
fig. 1 is an exploded view of the structure of one embodiment of the hydrogen peroxide concentration sensor calibrator in one embodiment.
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.
Referring to fig. 1, as can be seen from fig. 1, a calibrator for a hydrogen peroxide concentration sensor according to an embodiment of the present invention includes a calibrator body, where the calibrator body includes:
the solution box 11 comprises a solution containing tank (not shown in the figure) and a plurality of sensor sockets (not shown in the figure), wherein the solution containing tank is used for containing the hydrogen peroxide solution to be detected, the plurality of sensor sockets are used for containing a plurality of sensors including the hydrogen peroxide concentration sensor 9 to be calibrated, and the solution box 11 is in a sealed state after all the plurality of sensor sockets are inserted with various sensors.
When the solution containing tank contains hydrogen peroxide solution to be detected, and after the sensors are all inserted into the sensor sockets, the sensors are not in contact with the hydrogen peroxide solution to be detected, and the sensors are only suspended in the vapor phase space of the hydrogen peroxide solution to be detected.
A controller (not shown) including an arithmetic unit and a calibration unit, which is disposed inside the calibrator body and electrically connected to the plurality of sensors; the operation unit is used for performing operation on the received detection data of various sensors according to a preset operation program to obtain operation result data; the calibration unit is used for calibrating the hydrogen peroxide concentration sensor 9 to be calibrated according to a preset calibration program and the operation result data.
When the solution containing tank contains hydrogen peroxide solution to be detected, and after the sensors are all inserted into the sensor sockets, the hydrogen peroxide solution to be detected forms a solution state with vapor-liquid balance after a certain period of time. At this time, various sensors start to detect various corresponding data of the hydrogen peroxide solution to be detected, such as liquid phase temperature and vapor phase temperature corresponding to the hydrogen peroxide solution to be detected.
In this embodiment, optionally, the calibrator body further includes a balance scale 3 for weighing the mass of the hydrogen peroxide solution to be detected, the balance scale 3 is placed in a balance placing groove (not shown) corresponding to the calibrator body, and the balance placing groove is disposed on an operation platform 7 corresponding to the calibrator body. Wherein, the operation platform 7 is further provided with a plurality of accommodating grooves (not shown) for accommodating articles such as electric wires and the like.
In this embodiment, optionally, the calibrator body further includes a measuring cylinder 1 for measuring the volume of the hydrogen peroxide solution to be detected, the measuring cylinder 1 is placed in a measuring cylinder placing groove corresponding to the calibrator body, and the measuring cylinder placing groove is disposed on an operation platform 7 corresponding to the calibrator body.
In this embodiment, optionally, the calibrator body further includes a touch screen 12 for an operator to perform a touch operation, and the touch screen 12 is disposed on a front surface of the calibrator body facing the operator and electrically connected to the controller.
In the present embodiment, a buzzer 4, a start switch 5 and a data transmission port 6 are optionally arranged beside the touch screen 12. Wherein, when the test result data is abnormal, the buzzer 4 will give an alarm. Wherein, the operator can operate on the touch screen 12 to transmit the related data to the designated address through the data transmission port 6 for the related personnel to view.
In this embodiment, optionally, a liquid hydrogen peroxide temperature display 13 and a vapor hydrogen peroxide temperature display 14, both of which are electrically connected to the solution box 11, are disposed at a distance beside the touch screen 12, and the liquid hydrogen peroxide temperature display 13 and the vapor hydrogen peroxide temperature display 14 are respectively used for detecting the liquid phase temperature and the vapor phase temperature of the hydrogen peroxide solution to be detected.
In this embodiment, optionally, the plurality of sensors further includes a liquid hydrogen peroxide temperature sensor 8 for displaying the temperature of the liquid phase of the hydrogen peroxide solution to be detected, and the liquid hydrogen peroxide temperature display 13 corresponds to the liquid hydrogen peroxide temperature sensor 8.
In the present embodiment, optionally, the plurality of sensors further includes a vaporous hydrogen peroxide temperature sensor 10 for displaying the vapor phase temperature of the hydrogen peroxide solution to be detected, and the vaporous hydrogen peroxide temperature display 14 corresponds to the vaporous hydrogen peroxide temperature sensor 10.
In the present embodiment, optionally, a wire passing box 2 for bundling wires is provided beside the solution box 11. Wherein, a plurality of sundries placing grooves (not marked in the figure) are also arranged on the operating platform 7.
In this embodiment, optionally, a power interface 15 is disposed on a side surface of the hydrogen peroxide concentration sensor calibrator, and a supporting leg (not shown) is disposed on a bottom surface of the hydrogen peroxide concentration sensor calibrator.
Wherein, the utility model discloses a hydrogen peroxide concentration sensor calibrator, its working process is as follows:
firstly, a clean measuring cylinder 1 is used for containing a certain amount of hydrogen peroxide solution to be detected (the volume of the hydrogen peroxide solution can be selected to be half of the volume of a solution box 11), and then the hydrogen peroxide solution is placed on a balance 3 to be weighed to obtain the mass Ag;
secondly, pouring the hydrogen peroxide solution to be detected into a solution box 11, respectively inserting a plurality of sensors including a hydrogen peroxide concentration sensor 9 to be calibrated, a liquid hydrogen peroxide temperature sensor 8 and a vapor hydrogen peroxide temperature sensor 10 into corresponding sensor sockets, simultaneously ensuring the sealing of the solution box 11, then placing the empty measuring cylinder 1 on a balance scale 3, and weighing to obtain a mass Bg; thus, the mass (A-B) g of the hydrogen peroxide solution to be detected contained in the solution cartridge 11 can be calculated, and the density ρ of the hydrogen peroxide solution to be detected can be calculated;
thirdly, after a certain time, the hydrogen peroxide solution to be detected in the solution box 11 can volatilize into the air, and a certain amount of vaporous hydrogen peroxide can be obtained in the air, so that gas-liquid phase balance is formed;
fourthly, measuring the temperature of the liquid hydrogen peroxide by a liquid hydrogen peroxide temperature sensor 8, and measuring the temperature of the vaporous hydrogen peroxide by a vaporous hydrogen peroxide temperature sensor 10;
fifthly, according to a gas-liquid phase balance principle, the operation unit operates the received detection data of various sensors according to a preset operation program to obtain operation result data, the calibration unit calculates a concentration value C of the vaporous hydrogen peroxide according to a preset calibration program and the operation result data, and the concentration value C is displayed on the touch screen 12 in real time;
sixthly, detecting the concentration value D of the vaporous hydrogen peroxide by the hydrogen peroxide concentration sensor 9 to be calibrated, setting an error range by taking C as a standard, and displaying on the touch screen 12 if the concentration value D is within a preset error range: "pass"; if D is beyond the error range, the buzzer 4 will give an alarm and automatically correct the relevant parameters of the hydrogen peroxide sensor to be calibrated until the parameters are qualified.
Seventhly, after the test is qualified, relevant data are exported through the data transmission port 6.
The method comprises the following steps that an operation unit operates received detection data of various sensors according to a preset operation program to obtain operation result data, and a calibration unit operates the detection data of various sensors according to a preset calibration program and the operation result data, and comprises the following steps:
1) calculating the mass concentration of the hydrogen peroxide solution corresponding to the density of the hydrogen peroxide solution to be detected at the current temperature;
2) calculating the liquid phase molar concentration corresponding to the hydrogen peroxide solution to be detected according to the mass concentration of the solution;
3) calculating the saturated vapor pressure of hydrogen peroxide corresponding to the hydrogen peroxide in the hydrogen peroxide solution to be detected according to the current temperature of the hydrogen peroxide solution to be detected;
4) calculating a first vapor-liquid correlation coefficient corresponding to water and a second vapor-liquid correlation coefficient corresponding to hydrogen peroxide in the hydrogen peroxide solution to be detected according to the corresponding gas phase temperature and the corresponding liquid phase molar concentration in the gas phase space;
5) calculating the total mixed steam pressure corresponding to the hydrogen peroxide solution to be detected according to the saturated vapor pressure of the hydrogen peroxide, the liquid phase molar concentration, the first vapor-liquid correlation coefficient and the second vapor-liquid correlation coefficient;
6) calculating the mole percentage of the hydrogen peroxide in the gas phase space according to the partial pressure of the hydrogen peroxide in the gas phase space and the total pressure of the mixed steam;
7) and calculating the concentration of the gas-phase hydrogen peroxide corresponding to the hydrogen peroxide solution to be detected according to the mole percentage of the hydrogen peroxide in the gas-phase space, the total pressure of the mixed steam and the corresponding gas-phase temperature in the gas-phase space at the current temperature.
The utility model discloses a hydrogen peroxide concentration sensor calibrator, hold the solution box 11 of groove and a plurality of sensor socket including solution through the setting, and set up the controller including arithmetic element and calibration unit, a plurality of sensors can detect the various data that wait to detect hydrogen peroxide solution, can calculate the various data that wait to detect hydrogen peroxide solution through the arithmetic element, obtain operation result data, rethread calibration unit is according to presetting calibration procedure and operation result data, treat calibration hydrogen peroxide concentration sensor 9 and calibrate, can be accurate convenient calibrate hydrogen peroxide concentration sensor, the accuracy of hydrogen peroxide concentration sensor transmission data has been guaranteed effectively.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The utility model provides a hydrogen peroxide concentration sensor calibrator which characterized in that, includes the calibrator body, the calibrator body includes:
the solution box comprises a solution containing groove and a plurality of sensor sockets, wherein the solution containing groove is used for containing hydrogen peroxide solution to be detected, the sensor sockets are used for containing a plurality of sensors including hydrogen peroxide concentration sensors to be calibrated, and the solution box is in a sealed state after the sensor sockets are all inserted with the sensors;
the controller comprises an operation unit and a calibration unit, is arranged in the calibrator body and is electrically connected with the plurality of sensors; the operation unit is used for performing operation on the received detection data of various sensors according to a preset operation program to obtain operation result data; the calibration unit is used for calibrating the hydrogen peroxide concentration sensor to be calibrated according to a preset calibration program and the operation result data.
2. The calibrator for the hydrogen peroxide concentration sensor according to claim 1, wherein the calibrator body further comprises a balance scale for weighing the mass of the hydrogen peroxide solution to be detected, the balance scale is placed in a balance placing groove corresponding to the calibrator body, and the balance placing groove is formed in an operation platform corresponding to the calibrator body.
3. The calibrator for the hydrogen peroxide concentration sensor according to claim 1, wherein the calibrator body further comprises a measuring cylinder for measuring the volume of the hydrogen peroxide solution to be measured, the measuring cylinder is placed in a measuring cylinder placing groove corresponding to the calibrator body, and the measuring cylinder placing groove is formed in an operating platform corresponding to the calibrator body.
4. The calibrator for the hydrogen peroxide concentration sensor according to claim 1, wherein the calibrator body further comprises a touch screen for touch operation by an operator, and the touch screen is disposed on a front surface of the calibrator body facing the operator and electrically connected to the controller.
5. The calibrator for a hydrogen peroxide concentration sensor according to claim 4, wherein a buzzer, a start switch and a data transmission port are provided beside the touch screen, wherein the buzzer is used for giving an alarm when the operation result data is abnormal.
6. The hydrogen peroxide concentration sensor calibrator according to claim 4, wherein a liquid hydrogen peroxide temperature display and a vapor hydrogen peroxide temperature display electrically connected to the solution tank are spaced apart from one side of the touch screen.
7. The hydrogen peroxide concentration sensor calibrator according to claim 6, wherein the plurality of sensors further comprises a liquid hydrogen peroxide temperature sensor, and the liquid hydrogen peroxide temperature display corresponds to the liquid hydrogen peroxide temperature sensor.
8. The hydrogen peroxide concentration sensor calibrator of claim 6, wherein the plurality of sensors further comprises a vaporous hydrogen peroxide temperature sensor, the vaporous hydrogen peroxide temperature display corresponding to the vaporous hydrogen peroxide temperature sensor.
9. The hydrogen peroxide concentration sensor calibrator according to claim 1, wherein a wire passing box for bundling wires is provided beside the solution box.
10. The hydrogen peroxide concentration sensor calibrator according to claim 1, wherein a power supply interface is provided on a side surface of the hydrogen peroxide concentration sensor calibrator, and a support leg is provided on a bottom surface of the hydrogen peroxide concentration sensor calibrator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120505594.7U CN214583355U (en) | 2021-03-09 | 2021-03-09 | Hydrogen peroxide concentration sensor calibrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120505594.7U CN214583355U (en) | 2021-03-09 | 2021-03-09 | Hydrogen peroxide concentration sensor calibrator |
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| Publication Number | Publication Date |
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| CN214583355U true CN214583355U (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120505594.7U Active CN214583355U (en) | 2021-03-09 | 2021-03-09 | Hydrogen peroxide concentration sensor calibrator |
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| CN (1) | CN214583355U (en) |
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- 2021-03-09 CN CN202120505594.7U patent/CN214583355U/en active Active
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