CN112710342A - Universal calibration device for fluid multi-parameter detection instrument - Google Patents
Universal calibration device for fluid multi-parameter detection instrument Download PDFInfo
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- CN112710342A CN112710342A CN202011471790.3A CN202011471790A CN112710342A CN 112710342 A CN112710342 A CN 112710342A CN 202011471790 A CN202011471790 A CN 202011471790A CN 112710342 A CN112710342 A CN 112710342A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D18/00—Testing or calibrating apparatus or arrangements provided for in groups G01D1/00 - G01D15/00
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Abstract
The invention discloses a universal calibration device of a fluid multi-parameter detection instrument, which comprises a calibration rack and a power table, wherein a liquid storage tank, a standard flowmeter, a first installation space for installing a flowmeter to be calibrated and a second installation space for installing a thermometer to be calibrated and a concentration meter to be calibrated are arranged on the calibration rack; the device also comprises a data line and a data processing PC end, wherein the data line is used for connecting the standard flowmeter, the flowmeter to be calibrated, the standard thermometer, the thermometer to be calibrated, the standard concentration meter and the concentration meter to be calibrated, and the data processing PC end is connected with the data line. The invention can calibrate any two or three of the flow meter, the thermometer and the concentration meter simultaneously or only one of the flow meter, the thermometer and the concentration meter, thereby improving the calibration work efficiency of the fluid metering instrument and reducing the probability of human error.
Description
Technical Field
The invention relates to the field of fluid metering device calibration, in particular to a device capable of calibrating a flow meter, a thermometer and a concentration meter of fluid at the same time.
Background
At present, when domestic enterprises calibrate a flowmeter, materials metered by the flowmeter are generally weighed after being discharged, and errors and a flowmeter correction coefficient are calculated for calibration by comparing the cumulant of the flowmeter with the weighing value of the discharged materials. The calibration process is complex to operate, the weighing process and the calculating process are all manual, the automation degree is low, errors are prone to occurring, in addition, the calibration needs to be stopped for verification, the stop verification is carried out at a specific time, and the production quality and speed are seriously influenced.
The flow, temperature and concentration of liquid are always important pointer parameters of liquid, so the calibration of a flowmeter, a thermometer and a concentration meter is very important calibration content, but the existing equipment can only calibrate the flowmeter, the thermometer and the concentration meter independently or can only calibrate the flowmeter and the thermometer simultaneously, and the calibration method of the flowmeter is mostly a mass weighing and volume measurement method. The methods can not meet the requirements of calibrating the flowmeter, the thermometer and the concentration meter at the same time, have small calibration range, can not calibrate the large-flow flowmeter, have large vibration influence on a calibration platform, and are inaccurate in calibration.
Disclosure of Invention
In view of this, the present invention provides a universal calibration device for a fluid multi-parameter detection instrument, so as to solve the technical problems that the standard device of the existing fluid parameter detection instrument cannot calibrate a flowmeter, a thermometer and a concentration meter at the same time, and the calibration of the flowmeter by adopting a manual weighing calculation method has low efficiency and is easy to make mistakes.
The invention relates to a universal calibration device of a fluid multi-parameter detection instrument, which comprises a calibration rack, wherein a liquid storage tank, a standard flowmeter, a first pipe section connected with an inlet of the standard flowmeter, a second pipe section connected with an outlet of the standard flowmeter, a first pipe seat provided with the standard thermometer and a standard concentration meter, a third pipe section connected with an inlet end of the first pipe seat, a fourth pipe section connected with an outlet end of the first pipe seat, and a middle pipe section arranged between the second pipe section and the third pipe section are arranged on the calibration rack, a first installation space for installing the flowmeter to be calibrated is reserved between the second pipe section and the middle pipe section, a second installation space for installing the thermometer to be calibrated and the concentration meter to be calibrated is reserved between the middle pipe section and the third pipe section, the calibration rack is also provided with a support for supporting the first pipe section, the second pipe section, the third pipe section, the fourth pipe section and the middle pipe section; a liquid inlet and a liquid outlet are arranged on the liquid storage tank;
the universal calibration device of the fluid multi-parameter detection instrument further comprises a power table, wherein a hydraulic pump, a variable frequency motor for driving the hydraulic pump and a frequency converter for controlling the variable frequency motor are arranged on the power table;
the outlet end of the hydraulic pump is connected with a first hose, the inlet end of the hydraulic pump is provided with a second hose, the first hose is connected with a first pipe section on the calibration rack, the second hose is connected with the liquid outlet of the liquid storage tank, and the liquid inlet of the liquid storage tank is connected with a fourth pipe section;
the universal calibration device of the fluid multi-parameter detection instrument further comprises a data line and a data processing PC end, wherein the data line is used for connecting the standard flowmeter, the flowmeter to be calibrated, the standard thermometer, the thermometer to be calibrated, the standard concentration meter and the concentration meter to be calibrated, and the data processing PC end is connected with the data line.
Furthermore, the second installation space is provided with a second tube seat, two ends of the second tube seat are detachably connected with the middle tube section and the third tube section respectively, and the second tube seat is provided with a connector used for connecting a thermometer to be calibrated and a concentration meter to be calibrated.
Further, flanges are arranged at the end parts of the first pipe section, the second pipe section, the third pipe section, the fourth pipe section, the middle pipe section, the first pipe seat and the second pipe seat.
Furthermore, the universal calibration device of the fluid multi-parameter detection instrument further comprises an adapter flange pipe for connecting the flowmeter to be calibrated with the second pipe section and the flowmeter to be calibrated with the middle pipe section.
Further, a plugboard used for reducing the speed of fluid in the liquid storage box is arranged in the liquid storage box.
Furthermore, the inlet end and the outlet end of the liquid storage tank are respectively provided with a shutoff valve, and the lower part of the liquid storage tank is also provided with a liquid discharge valve.
Furthermore, the bottom of the calibration rack and the bottom of the power station are respectively provided with a caster wheel with an adjusting block.
The invention has the beneficial effects that:
1. the universal calibration device for the fluid multi-parameter detection instrument can simultaneously calibrate any two or three of a flowmeter, a thermometer and a concentration meter according to needs, and can also calibrate only one of the flowmeter, the thermometer and the concentration meter, so that the calibration working efficiency of the fluid measurement instrument is improved. And the PC end is adopted to compare and process the detection data of the standard measuring instrument and the measuring instrument to be calibrated, so that the detection error of the measuring instrument to be calibrated can be quickly and accurately obtained, the efficiency is greatly improved compared with the mode of manually processing the data, and the probability of human error can be reduced.
2. The universal calibration device of the fluid multi-parameter detection instrument separates the power table from the calibration rack, and the inlet and the outlet of the hydraulic pump are connected with the hose, so that the vibration transmitted to the calibration rack by the power table is greatly reduced, and the calibration precision can be better ensured.
Drawings
FIG. 1 is a schematic structural diagram of a universal calibration device of a fluid multi-parameter detection instrument according to the present invention;
FIG. 2 is a schematic diagram of the flowmeter to be calibrated, the thermometer to be calibrated and the concentration meter to be calibrated arranged on the calibration rack;
fig. 3 is a schematic view of the internal structure of the reservoir.
Detailed Description
The invention is further described below with reference to the figures and examples.
As shown in the figure, the universal calibration device of the multi-parameter fluid detecting instrument in the embodiment comprises a calibration rack 1, wherein a liquid storage tank 2, a standard flow meter 3, a first pipe section 4 connected with an inlet of the standard flow meter, a second pipe section 5 connected with an outlet of the standard flow meter, a first pipe seat 8 provided with a standard thermometer 6 and a standard concentration meter 7, a third pipe section 9 connected with an inlet end of the first pipe seat, a fourth pipe section 10 connected with an outlet end of the first pipe seat, and a middle pipe section 11 arranged between the second pipe section and the third pipe section are arranged on the calibration rack, a first installation space 12 used for installing the flow meter to be calibrated is reserved between the second pipe section and the middle pipe section, a second installation space 13 used for installing the thermometer to be calibrated and the concentration meter to be calibrated is reserved between the middle pipe section and the third pipe section, and a second installation space 13 used for supporting the first pipe section, a second installation space for installing, A support 14 for the second, third, fourth and intermediate pipe sections; the liquid storage tank is provided with a liquid inlet and a liquid outlet.
The universal calibration device of the fluid multi-parameter detection instrument further comprises a power table 15, and a hydraulic pump 16, a variable frequency motor 17 for driving the hydraulic pump and a frequency converter 18 for controlling the variable frequency motor are arranged on the power table.
The exit end of hydraulic pump is connected with first hose 19, and the entrance point of hydraulic pump is provided with second hose 20, and first hose is connected with the first pipeline section on the demarcation rack, and the second hose is connected with the liquid outlet of liquid reserve tank, and the inlet and the fourth pipeline section of liquid reserve tank are connected.
The universal calibration device of the fluid multi-parameter detection instrument further comprises a data line 21 for connecting the standard flowmeter, the flowmeter to be calibrated, the standard thermometer, the thermometer to be calibrated, the standard concentration meter and the concentration meter to be calibrated, and a data processing PC end 22 connected with the data line.
In this embodiment, the second installation space is provided with a second tube seat 23, two ends of which are detachably connected with the middle tube section and the third tube section respectively, and the second tube seat is provided with a connector for connecting a thermometer 24 to be calibrated and a concentration meter 25 to be calibrated. In specific implementation, the second pipe seats can be designed into different specifications, and the interfaces of the second pipe seats with different specifications, which are used for connecting the thermometer to be calibrated and the concentration meter to be calibrated, are different, so that the calibration of different thermometers and concentration meters is adapted.
In this embodiment, the end portions of the first pipe section, the second pipe section, the third pipe section, the fourth pipe section, the middle pipe section, the first pipe seat and the second pipe seat are provided with flanges, and the flange connection mode has the advantage of convenience in disassembly and assembly.
In this embodiment, the universal calibration device for the multi-parameter fluid detection instrument further includes an adapter flange pipe 28 for connecting the flowmeter 27 to be calibrated with the second pipe section and the flowmeter to be calibrated with the middle pipe section. Of course, in the specific implementation, the mode of disposing the flowmeter to be calibrated in the first installation space 12 can also be adaptively adjusted according to the structure of the specific flowmeter, for example, when the interface of the flowmeter to be calibrated is a threaded interface, one end of the adapter flange pipe can be made into a flange, and the other end can be made into a thread.
In the universal calibration device of the fluid multi-parameter detection instrument in the embodiment, any two or three of the flow meter, the thermometer and the concentration meter can be calibrated simultaneously or only one of the flow meter, the universal property is good, various flow meters can be calibrated simultaneously, and the calibration work efficiency of the fluid measurement instrument is improved. And the PC end is adopted to compare and process the detection data of the standard measuring instrument and the measuring instrument to be calibrated, so that the detection error of the measuring instrument to be calibrated can be quickly and accurately obtained, the efficiency is greatly improved compared with the mode of manually processing the data, and the probability of human error can be reduced.
As the improvement to the above-mentioned embodiment, be provided with the picture peg 29 that is used for slowing down the fluid speed in the liquid reserve tank, this improvement can weaken the vortex, and the velocity of flow that gets into the flowmeter is more stable, is favorable to improving the mark precision.
As a modification of the above embodiment, the inlet and outlet ends of the reservoir are respectively provided with a shut-off valve 30, and the lower portion of the reservoir is further provided with a drain valve 31. When the pipeline equipment needs to be replaced and maintained, the shutoff valve can be closed, so that the maintenance operation is convenient. The liquid discharging valve is arranged to discharge the liquid in the liquid storage tank, so that the liquid in the liquid storage tank can be conveniently replaced.
As an improvement to the above embodiment, the calibration rack and the power stage are respectively provided with casters with adjustment blocks 32 at the bottom, the casters with adjustment blocks 32 can be selected as appropriate according to the needs, for example, the casters with adjustment blocks of MISUMI brand can be selected, when the adjustment blocks are adjusted high to make the rollers contact the ground, the calibration rack and the power stage can be conveniently moved, and when the adjustment blocks are adjusted low to make the rollers lift off the ground, the calibration rack and the power stage can be stably placed on the ground.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (7)
1. The utility model provides a general calibration device of multiple parameter measurement instrument of fluid, includes the calibration rack, its characterized in that: the calibration rack is provided with a liquid storage tank, a standard flowmeter, a first pipe section connected with an inlet of the standard flowmeter, a second pipe section connected with an outlet of the standard flowmeter, a first pipe seat provided with the standard thermometer and the standard concentration meter, a third pipe section connected with an inlet end of the first pipe seat, a fourth pipe section connected with an outlet end of the first pipe seat, and a middle pipe section arranged between the second pipe section and the third pipe section, wherein a first installation space for installing the flowmeter to be calibrated is reserved between the second pipe section and the middle pipe section, a second installation space for installing the thermometer to be calibrated and the concentration meter to be calibrated is reserved between the middle pipe section and the third pipe section, and the calibration rack is also provided with a support for supporting the first pipe section, the second pipe section, the third pipe section, the fourth pipe section and the middle pipe section; a liquid inlet and a liquid outlet are arranged on the liquid storage tank;
the universal calibration device of the fluid multi-parameter detection instrument further comprises a power table, wherein a hydraulic pump, a variable frequency motor for driving the hydraulic pump and a frequency converter for controlling the variable frequency motor are arranged on the power table;
the outlet end of the hydraulic pump is connected with a first hose, the inlet end of the hydraulic pump is provided with a second hose, the first hose is connected with a first pipe section on the calibration rack, the second hose is connected with the liquid outlet of the liquid storage tank, and the liquid inlet of the liquid storage tank is connected with a fourth pipe section;
the universal calibration device of the fluid multi-parameter detection instrument further comprises a data line and a data processing PC end, wherein the data line is used for connecting the standard flowmeter, the flowmeter to be calibrated, the standard thermometer, the thermometer to be calibrated, the standard concentration meter and the concentration meter to be calibrated, and the data processing PC end is connected with the data line.
2. The universal calibration device for the instrument for detecting multiple parameters of fluids according to claim 1, wherein: the second mounting space is provided with a second tube seat, two ends of the second tube seat are detachably connected with the middle tube section and the third tube section respectively, and the second tube seat is provided with a connector used for connecting a thermometer to be calibrated and a concentration meter to be calibrated.
3. The universal calibration device for the fluid multi-parameter detection instrument according to claim 1 or 2, wherein: flanges are arranged at the end parts of the first pipe section, the second pipe section, the third pipe section, the fourth pipe section, the middle pipe section, the first pipe seat and the second pipe seat.
4. The universal calibration device for the instrument for detecting multiple parameters of fluids according to claim 3, wherein: the pipeline calibration device further comprises a switching flange pipe used for connecting the flowmeter to be calibrated with the second pipe section and the flowmeter to be calibrated with the middle pipe section.
5. The universal calibration device for the instrument for detecting multiple parameters of fluids according to claim 1, wherein: and a plugboard used for slowing down the speed of fluid in the liquid storage tank is arranged in the liquid storage tank.
6. The universal calibration device for the instrument for detecting multiple parameters of fluids according to claim 1, wherein: the inlet end and the outlet end of the liquid storage tank are respectively provided with a shutoff valve, and the lower part of the liquid storage tank is also provided with a liquid discharge valve.
7. The universal calibration device for the instrument for detecting multiple parameters of fluids according to claim 1, wherein: and the bottom parts of the calibration rack and the power table are respectively provided with a caster wheel with an adjusting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011471790.3A CN112710342A (en) | 2020-12-14 | 2020-12-14 | Universal calibration device for fluid multi-parameter detection instrument |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011471790.3A CN112710342A (en) | 2020-12-14 | 2020-12-14 | Universal calibration device for fluid multi-parameter detection instrument |
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| CN112710342A true CN112710342A (en) | 2021-04-27 |
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| CN202011471790.3A Pending CN112710342A (en) | 2020-12-14 | 2020-12-14 | Universal calibration device for fluid multi-parameter detection instrument |
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Application publication date: 20210427 |