CN217384273U - High-precision automatic detection device for hydrostatic level - Google Patents
High-precision automatic detection device for hydrostatic level Download PDFInfo
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- CN217384273U CN217384273U CN202221022703.0U CN202221022703U CN217384273U CN 217384273 U CN217384273 U CN 217384273U CN 202221022703 U CN202221022703 U CN 202221022703U CN 217384273 U CN217384273 U CN 217384273U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The utility model provides a high accuracy hydrostatic level automatic checkout device, including operation platform, the last linear motion mechanism that is equipped with of operation platform, is rotated by servo motor drive ball screw, and ball screw drives linear guide and goes up and down, and linear guide is equipped with the grating chi, and the grating chi is connected with drive arrangement, and displacement platform goes up and down with linear guide synchronous; the first static level is positioned on the displacement platform and connected with the pressure control unit, the pressure control unit is connected with the water storage tank, the second static level is positioned on the operation platform and connected with the pressure control unit and the data acquisition unit, and the first static level is communicated with the second static level; the utility model compares the relative displacement with the standard value to obtain the detection result, controls the full closed loop and improves the precision of the whole set of detection device; through pressurizing the liquid in the pipeline, the liquid storage tank is arranged at a low position, the requirement on the liquid pressure in the detection process is met, and the size of the device is reduced.
Description
Technical Field
The utility model relates to a level measurement technical field especially relates to a high accuracy hydrostatic level automatic checkout device.
Background
The static level gauge is a high-precision liquid level measuring system for monitoring the settlement deformation of each measuring point of a building. Hydrostatic level's monitoring system, be formed by leading to liquid pipe connection by a plurality of levels, wherein 1 level is installed immovably on stable datum point, remaining level is installed on the measurement station that needs carry out deformation monitoring, the deflection of monitoring point can influence the altitude variation of the inside liquid level of level, carry out the difference with the standard liquid level of datum point and calculate, thereby obtain the settlement change volume of each measurement point, because it is high to have measurement accuracy, can be used for real-time supervision, simple to operate's characteristics, hydrostatic level is used by a large amount in the building monitoring trade.
The earthquake research institute of the earthquake Bureau of China uses a wide-range dial indicator as a main standard for a capacitive static level, the measured static level is lifted in the measuring process, and the indicating value of the level is compared with the reading value of the dial indicator to measure, so that the measuring range is limited to the indicating value range of the dial indicator, and only equipment with the measuring range smaller than 30mm can be measured.
The method needs to disassemble the detected equipment, is easy to damage the equipment, and has a relation between the measuring precision and the precision of the force value-displacement conversion coefficient.
At present, the static level does not have mature detection equipment, particularly, a large-range and high-precision static level produced based on a new measurement principle does not have a better metering method, so that a set of high-precision automatic detection device of the static level is urgently needed to be developed to meet the metering requirement of the static level and promote the better development of the static level industry.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high accuracy hydrostatic level appearance automatic checkout device.
In order to realize the purpose, the technical scheme of the utility model is that:
the automatic detection device for the high-precision static level comprises an operation platform and is characterized in that a linear motion mechanism, a displacement platform, a pressure control unit, a liquid storage tank, a data acquisition unit, a first static level and a second static level are arranged on the operation platform, the linear motion mechanism comprises a driving device, a ball screw and a linear guide rail, the driving device comprises a servo motor, the servo motor drives the ball screw to rotate, the ball screw rotates to drive the linear guide rail to lift, the linear guide rail is provided with a grating ruler, the grating ruler is connected with the driving device, the displacement platform is fixed with the linear guide rail, and the linear guide rail drives the displacement platform to lift;
the first static level is located displacement platform, the first static level passes through the pipeline and is connected with pressure control unit's one end, pressure control unit's the other end passes through the pipeline and is connected with the water storage tank, the second static level is located operation platform, the second static level passes through the pipeline and is connected with pressure control unit and data acquisition unit respectively, pass through the tube coupling between first static level and the second static level, the data acquisition unit is connected with the outside computer of automatic checkout device.
Further, the driving device further comprises a current sensor, one end of the current sensor is connected with the servo motor, the linear motion mechanism further comprises a position controller, and the other end of the current sensor is connected with the position controller.
Further, the pressure control unit comprises a pressure controller, a pressure detection module, a pressure display and a motion controller, wherein the pressure controller pressurizes liquid flowing out of the liquid storage tank into the pipeline, the pressure detection module measures the pressure in the pipeline, and the pipeline pressure measured by the pressure detection module is fed back to the pressure control device.
Further, the automatic detection device further comprises a liquid recovery device, and the liquid recovery device is connected with the liquid storage tank.
The utility model discloses install a hydrostatic level on basic platform, as measuring the benchmark, another hydrostatic level installs vertical movement on displacement platform, the indicating value of hydrostatic level is relative displacement volume, relative displacement volume and standard value carry out the comparison and obtain the testing result, control full closed loop, improve the precision of a whole set of detection device;
by means of pressurizing the liquid in the pipeline, the liquid storage tank is arranged at a low position, the requirement on the liquid pressure in the detection process can be met, and the size of the whole device is effectively reduced;
the utility model discloses can develop the liquid level simultaneously and measure the precision detection of type hydrostatic level appearance and differential hydrostatic level appearance.
Drawings
FIG. 1 is an overall structure diagram of the present invention;
fig. 2 is the closed-loop control schematic diagram of the linear motion mechanism of the present invention.
Reference numerals:
1 linear motion mechanism, 2 displacement platform, 3 pressure control unit, 4 liquid storage tank,
5 a data acquisition unit, 6 a first hydrostatic level, 7 a second hydrostatic level, 8 a driving device,
9 ball screw, 10 servo motor, 11 current sensor, 12 position controller,
13 operating the platform.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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 utility model discloses a high accuracy hydrostatic level appearance automatic checkout device, including operation platform 13, as shown in fig. 1, be equipped with linear motion mechanism 1 on operation platform 13, displacement platform 2, pressure control unit 3, the liquid storage pot 4, data acquisition unit 5, first hydrostatic level appearance 6 and second hydrostatic level appearance 7, first hydrostatic level appearance 6 passes through the pipeline and is connected with pressure control unit 3, second hydrostatic level appearance 7 passes through the pipeline and is connected with pressure control unit 3 and data acquisition unit 5 respectively, through the pipeline intercommunication between first hydrostatic level appearance 6 and the second hydrostatic level appearance 7, data acquisition unit 5 is connected with the outside computer of automatic checkout device.
The linear motion mechanism 1 comprises a driving device 8, a ball screw 9, a linear guide rail and a balancing weight, the driving device 8 comprises a servo motor 10, the servo motor 10 drives the ball screw 9 to rotate, the ball screw 9 rotates to drive the linear guide rail to lift, the displacement platform 2 is fixed with the linear guide rail, and the linear guide rail drives the displacement platform 2 to lift.
The driving device 8 further comprises a current sensor 11 and a position controller, one end of the current sensor 11 is connected with the servo motor 10, the linear motion mechanism 1 further comprises a position controller 12, and the other end of the current sensor 11 is connected with the position controller 12.
Because the driving device 8 only accurately controls the servo motor 10, after the servo motor 10 is installed on the moving mechanism, the whole system is controlled in an open loop mode, and an error exists, in order to improve the precision of the detection device, a grating ruler is installed on the linear guide rail, and a feedback signal of the grating ruler is connected to the position controller 12 of the driving device 8, so that the servo motor 10 accurately adjusts the position according to the feedback signal of the grating ruler, as shown in fig. 2, the control is fully closed loop, and the precision of the automatic detection device is improved.
During the use, second hydrostatic level 7 is installed on operation platform 13, and second hydrostatic level 7 is immovable as the measurement reference point, and first hydrostatic level 6 is installed on displacement platform 2, and first hydrostatic level 6 follows displacement platform 2 vertical migration, and the indicating value of two hydrostatic level is the relative displacement volume of two equipment promptly, compares this indicating value and standard value, obtains the testing result.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (4)
1. The automatic detection device for the high-precision static level comprises an operation platform and is characterized in that a linear motion mechanism, a displacement platform, a pressure control unit, a liquid storage tank, a data acquisition unit, a first static level and a second static level are arranged on the operation platform, the linear motion mechanism comprises a driving device, a ball screw and a linear guide rail, the driving device comprises a servo motor, the servo motor drives the ball screw to rotate, the ball screw rotates to drive the linear guide rail to lift, the linear guide rail is provided with a grating ruler, the grating ruler is connected with the driving device, the displacement platform is fixed with the linear guide rail, and the linear guide rail drives the displacement platform to lift;
the first static level is located displacement platform, the first static level passes through the pipeline and is connected with pressure control unit's one end, pressure control unit's the other end passes through the pipeline and is connected with the water storage tank, the second static level is located operation platform, the second static level passes through the pipeline and is connected with pressure control unit and data acquisition unit respectively, pass through the tube coupling between first static level and the second static level, the data acquisition unit is connected with the outside computer of automatic checkout device.
2. The automatic detection device for the high-precision static level gauge according to claim 1, wherein the driving device further comprises a current sensor, one end of the current sensor is connected with the servo motor, the linear motion mechanism further comprises a position controller, and the other end of the current sensor is connected with the position controller.
3. The automatic detection device of the high-precision static level gauge according to claim 1, wherein the pressure control unit comprises a pressure controller, a pressure detection module, a pressure display and a motion controller, the pressure controller pressurizes liquid flowing out of the liquid storage tank into the pipeline, the pressure detection module measures pressure in the pipeline, and the pipeline pressure measured by the pressure detection module is fed back to the pressure control device.
4. The automatic high precision hydrostatic level detection device of claim 1, wherein the automatic detection device further comprises a liquid recovery device, and the liquid recovery device is connected with the liquid storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221022703.0U CN217384273U (en) | 2022-04-29 | 2022-04-29 | High-precision automatic detection device for hydrostatic level |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221022703.0U CN217384273U (en) | 2022-04-29 | 2022-04-29 | High-precision automatic detection device for hydrostatic level |
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| Publication Number | Publication Date |
|---|---|
| CN217384273U true CN217384273U (en) | 2022-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221022703.0U Active CN217384273U (en) | 2022-04-29 | 2022-04-29 | High-precision automatic detection device for hydrostatic level |
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| CN (1) | CN217384273U (en) |
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2022
- 2022-04-29 CN CN202221022703.0U patent/CN217384273U/en active Active
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