CN217542077U

CN217542077U - Automatic calibrating device for volumetric measurement

Info

Publication number: CN217542077U
Application number: CN202221124493.6U
Authority: CN
Inventors: 王铜; 曲效建
Original assignee: Longkou Inspection And Certification Co ltd
Current assignee: Longkou Inspection And Certification Co ltd
Priority date: 2022-05-10
Filing date: 2022-05-10
Publication date: 2022-10-04
Anticipated expiration: 2032-05-10

Abstract

The utility model provides a volumetric metering automatic calibration device relates to automatic check out test set technical field, go out the pipeline machine, capacity household utensils including base, ration constant temperature, be equipped with the calibration case on the base, the calibration case is in ration constant temperature and goes out pipeline machine one side, be equipped with control box and chamber door on the calibration case, be equipped with the handle on the chamber door, be equipped with the display screen on the control box, be equipped with pressure sensor and temperature sensor in the calibration case, pressure sensor and temperature sensor all with control box electric connection, pressure sensor is equipped with on calibration incasement portion bottom and the pressure sensor and places the platform, place the bench and placed the capacity household utensils, ration constant temperature goes out the pipeline machine and includes the outlet pipe with control box electric connection and ration constant temperature and goes out the pipeline machine, outlet pipe one end passes the tank wall that the calibration case extends to placing the platform directly over, and this device has solved the problem to the automatic calibration of capacity household utensils, easy operation, and calibration is efficient.

Description

Automatic calibrating device for volumetric measurement

Technical Field

The utility model relates to an automatic check out test set technical field particularly, relates to a volumetric measurement automatic calibration device.

Background

The measuring vessel is the main measuring device for the titrimetric method, but the measuring vessel does not completely correspond to the marked volume, so that the measuring vessel must be calibrated in the work with higher accuracy requirements.

However, the existing capacity vessel calibration process is complicated, after the device is used for a period of time, because the temperature and the accuracy of the capacity vessel can be influenced by manual operation, manual multiple operation calibration is needed, the workload of personnel is increased, and the device is inconvenient to use, so that the problem is solved by an automatic calibration device for the capacity vessel in urgent need.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem of proposing in the above-mentioned background art, then proposed a capacity measurement automatic calibration device.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a volumetric measurement automatic calibration device, includes base, ration outlet pipe line machine, capacity household utensils of deciding the temperature, be equipped with the calibration case on the base, the calibration case is in ration outlet pipe line machine one side of deciding the temperature, be equipped with control box and chamber door on the calibration case, be equipped with the handle on the chamber door, be equipped with the display screen on the control box, be equipped with pressure sensor and temperature sensor in the calibration case, pressure sensor and temperature sensor all with control box electric connection, pressure sensor is equipped with on calibration incasement portion bottom and the pressure sensor and places the platform, place the bench and placed the capacity household utensils, ration outlet pipe line machine of deciding the temperature includes the outlet pipe with control box electric connection and ration outlet pipe line machine of deciding the temperature, outlet pipe one end passes the tank wall of calibration case and extends to and places the platform directly over.

Further, the box door is a transparent door so that a worker can observe the calibration process conveniently.

Furthermore, the volume vessel is in a clean and dry state, and has no water and stain inside so as to improve the calibration precision.

Further, the accuracy of the pressure sensor is one ten thousandth.

Further, the temperature in the calibration box is between 15 and 25 ℃.

Further, the quantitative constant-temperature water outlet pipeline machine is filled with distilled water, and the difference between the temperature of the distilled water and the temperature in the calibration box is within 2 ℃.

Furthermore, a quick connector is mounted on the water outlet pipe and connected with an extension pipe, and the design meets the calibration requirements of vessels with different specifications and capacities.

Furthermore, the lengths of the extension pipes are different, and the adaptive extension pipes can be selected according to the specification of a specific capacity vessel.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a manual work to the problem of many times calibration and the operational error of capacity household utensils, through calibration case, ration constant temperature outlet pipeline machine, pressure sensor, place platform, capacity household utensils, temperature sensor, control box and display screen cooperate and provide a simple structure, easy to operate, the capacity metering device of automatic calibration measurement.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the installation of the extension tube;

wherein: the automatic calibration device comprises a base 1, a calibration box 2, a box door 21, a handle 22, a quantitative fixed-temperature water outlet pipeline discharging machine 3, a water outlet pipe 31, a pressure sensor 4, a placing table 41, a volume vessel 5, a temperature sensor 6, a control box 7, a display screen 71, a quick connector 8 and an extension pipe 81.

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 work belong to the protection scope of the present invention. The invention will be further explained with reference to the accompanying drawings and examples:

as shown in fig. 1, a capacity measurement automatic calibration device, including base 1, ration constant temperature outlet pipe line machine 3, capacity household utensils 5, be equipped with calibration case 2 on the base, the calibration case is in ration constant temperature outlet pipe line machine one side, be equipped with the control box 7 of controlling the orderly operation of whole device on the calibration case and be used for the chamber door 21 that the calibration case is sealed at the calibration in-process, the chamber door is transparent door so that the staff is to the observation of calibration process, be equipped with handle 22 on the chamber door, be equipped with the display screen 71 of being convenient for the staff observation data result on the control box, be equipped with pressure sensor 4 and temperature sensor 6 in the calibration case, pressure sensor and temperature sensor all with control box electric connection, pressure sensor is equipped with on calibration incasement portion bottom and the pressure sensor and places platform 41, the capacity household utensils have been placed to the place the platform, ration constant temperature outlet pipe line machine includes outlet pipe 3 with control box electric connection and ration constant temperature outlet pipe line machine, outlet pipe one end passes the tank wall of calibration case and extends to and places the platform directly over.

It is worth noting that the container is in a clean and dry state, and no water or stain is hung in the container; the accuracy of the pressure sensor is one ten thousandth; the temperature in the calibration box is 15-25 ℃, distilled water is contained in the quantitative constant-temperature water outlet pipeline, and the difference between the temperature of the distilled water and the temperature in the calibration box is within 2 ℃.

In the specific implementation process of the device, the temperature sensor feeds the temperature value in the calibration box back to the control box and displays the current temperature on the display screen, then a worker adjusts the temperature in the calibration box and the distilled water temperature in the quantitative constant-temperature water outlet pipeline machine, so that the temperature values of the temperature and the distilled water temperature are kept in a specified range, then a container is placed on the placing table, the box door is closed, and the device is started; firstly, weighing an empty capacity vessel by a pressure sensor and feeding back weighed data to a control box, then adding water to the capacity vessel to a scale by a quantitative constant-temperature water outlet pipeline machine, weighing the capacity vessel filled with distilled water by the pressure sensor after the water is added, feeding back the data to the control box by the pressure sensor after the weighing is finished, analyzing the data of a measured value by the control box and displaying the obtained notes on a display screen; the calibration of the control box requires the following analysis:

1. empty capacity vessel weight;

2. a volume vessel weight containing distilled water;

3. the density of water at the temperature is calibrated (the density value of water at different temperatures, and the data is preset).

4. The control box analyzes and processes the known data and obtains the real volume of the volume vessel.

In at least one embodiment, the vessels have different heights, and in order to adapt to the calibration of vessels with different sizes, as shown in fig. 2, a quick coupling 8 is mounted on the water outlet pipe, and the quick coupling is connected with an extension pipe 81, wherein the extension pipes have different lengths, and the extension pipes can be selected according to the sizes of the vessels with different sizes.

The foregoing illustrates and describes the general principles, features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the description in the above embodiments and the specification is only for illustrating the principles of the present invention, and that there may be various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a capacity measurement automatic calibration device, includes base, ration outlet pipe line machine, capacity household utensils of deciding the temperature, its characterized in that, be equipped with the calibration case on the base, the calibration case is in ration outlet pipe line machine one side of deciding the temperature, be equipped with control box and chamber door on the calibration case, be equipped with the handle on the chamber door, be equipped with the display screen on the control box, be equipped with pressure sensor and temperature sensor in the calibration case, pressure sensor and temperature sensor all with control box electric connection, pressure sensor is equipped with on calibration incasement portion bottom and the pressure sensor and places the platform, place the bench and placed the capacity household utensils, ration outlet pipe line machine of deciding the temperature includes the outlet pipe with control box electric connection and ration outlet pipe line machine of deciding the temperature, outlet pipe one end passes the tank wall of calibration case and extends to and places the platform directly over.

2. A volumetric measurement autocalibration device according to claim 1, wherein the door is a transparent door.

3. A volumetric measurement autocalibration device according to claim 1, wherein the accuracy of the pressure sensor is one ten thousandth.

4. The automatic calibrating device for the volumetric metering of claim 1, wherein the quantitative constant-temperature water outlet pipeline contains distilled water, and the temperature in the calibrating box is between 15 and 25 ℃.

5. A volumetric measurement autocalibration device according to claim 4, characterized in that the difference between the temperature of the distilled water and the temperature inside the calibration chamber is within 2 ℃.

6. The automatic calibrating device for volumetric metering of claim 1, wherein the outlet pipe is provided with a quick coupling, and the quick coupling is connected with an extension pipe.