CN220039597U - Calibrating device for liquid level meter - Google Patents
Calibrating device for liquid level meter Download PDFInfo
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- CN220039597U CN220039597U CN202321374513.XU CN202321374513U CN220039597U CN 220039597 U CN220039597 U CN 220039597U CN 202321374513 U CN202321374513 U CN 202321374513U CN 220039597 U CN220039597 U CN 220039597U
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- 239000007788 liquid Substances 0.000 title claims abstract description 148
- 230000007246 mechanism Effects 0.000 claims abstract description 46
- 238000001514 detection method Methods 0.000 claims description 34
- 239000000463 material Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- 238000010146 3D printing Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims 2
- 238000012795 verification Methods 0.000 description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 238000005259 measurement Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 4
- 238000007667 floating Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
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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 discloses a liquid level meter calibrating device, which comprises a liquid supply mechanism, a standard liquid level meter, a standard pipe, at least one liquid level meter to be detected and at least one pipe to be detected, wherein the pipe to be detected and the liquid level meter to be detected are correspondingly and matched, and the standard pipe is connected with the pipe to be detected through a communicating pipe; the standard liquid level meter comprises a laser interferometer, an interference lens group and a reflecting mirror, wherein the laser interferometer is arranged on one side above the standard pipe, the interference lens group is arranged above the standard pipe, a buoyancy member is arranged in the standard pipe, and the reflecting mirror is arranged on the buoyancy member. According to the liquid level meter calibrating device, the standard tube is connected with the detected tube through the communicating tube according to the principle that the liquid level heights in the communicating tube are equal, the liquid level heights in the standard tube are read by combining the laser interferometer, and the liquid level heights in the detected tube are read by combining the detected liquid level meter, so that the measuring precision and the calibrating range of the liquid level meter calibrating device are effectively improved.
Description
Technical Field
The utility model relates to the technical field of instrument verification, in particular to a liquid level meter verification device.
Background
The liquid level meter is widely applied to the measurement of internal liquid level or interface of tanks, kettles, towers, bottles, channels, furnaces, libraries and the like in industrial or agricultural processes. The accuracy and the rationality of carrying out magnitude tracing on the metering characteristics of the liquid level meter are very critical, so that the development of a high-precision calibrating device is urgent.
The existing calibrating device of the liquid level meter adopts the following modes: (1) The method comprises the steps that a scribing line of a measuring cylinder or a steel ruler arranged on a glass measuring cylinder is used as a standard device, the standard device directly reads the height of a liquid level at a detection point to be a standard value in detection, the actual reading of the liquid level at the detection point by a detected liquid level meter is an actual measurement value in detection, and finally metering parameters of the detected liquid level meter are calculated according to JJG 971-2019 'liquid level meter detection rules'; (2) The laser range finder is used as a standard device, the laser range finder is arranged on the liquid level to directly read the height of the liquid level at a detection point as a standard value in detection, the actual reading of the liquid level at the detection point by the detected liquid level meter is an actual measurement value in detection, and finally the metering parameters of the detected liquid level meter are calculated according to JJG 971-2019 'liquid level meter detection rules', but the detection precision of the liquid level meter cannot be ensured by the detection mode adopted by the liquid level meter device due to the fact that the maximum allowable error of a conventional straight line ruler such as a steel ruler is +/-0.35 mm, the deviation of the sight of an operator causes larger error, the maximum allowable error of the conventional laser range finder is +/-1.5 mm, the parallelism of the laser beam of the laser range finder and the liquid level lifting direction is difficult to ensure, the reflection state of the laser beam emitted by the laser range finder on the liquid surface is difficult to ensure, and the like.
Therefore, there is a need to provide a calibration device for a liquid level meter to solve the above-mentioned problems.
Disclosure of Invention
First, the technical problem to be solved
Based on the detection device, the utility model provides a liquid level meter detection device, and the detection precision of the liquid level meter is effectively improved.
(II) technical scheme
In order to solve the technical problems, the utility model provides a liquid level meter calibrating device, which comprises a liquid supply mechanism, a standard liquid level meter, a standard pipe, at least one liquid level meter to be detected and at least one liquid pipe to be detected, wherein the liquid pipe to be detected and the liquid level meter to be detected are correspondingly and matched, and the standard pipe is connected with the liquid pipe to be detected through a communicating pipe; the standard liquid level meter comprises a laser interferometer, an interference lens group and a reflecting mirror, wherein the laser interferometer is arranged on one side above the standard pipe, the interference lens group is arranged above the standard pipe, a buoyancy member is arranged in the standard pipe, and the reflecting mirror is arranged on the buoyancy member.
Further, still include the frame, be provided with mounting platform in the frame, standard pipe and at least one by the setting of detection pipe are on mounting platform, be provided with the support on the mounting platform, be provided with the mounting panel on the support, the detection mouth has been seted up at the mounting panel middle part, the mounting panel sets up in standard pipe top, the detection mouth sets up directly over the standard pipe opening, standard level gauge sets up on the mounting panel.
Furthermore, the bottom end parts of the standard pipe and the detected pipe are provided with base plates, and the base plates are fixed on the mounting platform through screw members.
Further, be provided with first fine setting mechanism on the mounting panel, be provided with first connecting plate on the first fine setting mechanism, be provided with the connecting rod on the first connecting plate, connecting rod one end is connected with first connecting plate, the connecting rod other end is connected with the interference mirror group, first fine setting mechanism is used for driving first connecting plate and moves along X axle and Y axle direction.
Furthermore, limiting guide rails are arranged in the standard tube in parallel, two sides of the buoyancy piece are clamped in the limiting guide rails, and the limiting guide rails are used for limiting the buoyancy piece.
Further, the buoyancy member is of a hollow structure with an opening at the upper end, the reflector is arranged at the bottom end of the inner side of the buoyancy member, the outer side of the buoyancy member is provided with a guide block, the guide block is provided with a guide hole, and the limit guide rail penetrates through the guide hole.
Further, the guide blocks are respectively arranged at the upper end part and the lower end part of the buoyancy member.
Further, the limiting guide rail is of a flexible material structure, the mounting plates are respectively provided with second fine adjustment mechanisms on two sides of the detection opening, the second fine adjustment mechanisms are provided with second connecting plates, tensioning mechanisms are arranged on the second connecting plates, the lower end parts of the limiting guide rail are fixed at the bottom ends of the standard tubes, the upper end parts of the limiting guide rail are clamped on the tensioning mechanisms, and the second fine adjustment mechanisms are used for driving the second connecting plates to move along the X axis and the Y axis.
Further, the buoyancy member is made of a siren material, and is made of an integral 3D printing technology.
Further, the at least one detected liquid level meter comprises at least one liquid level meter of a detected buoyancy type liquid level meter, a detected magnetostriction type liquid level meter, a detected pressure type liquid level meter and a detected reflection type liquid level meter.
(III) beneficial effects
Compared with the prior art, the liquid level meter calibrating device comprises a liquid supply mechanism, a standard liquid level meter, a standard pipe, at least one liquid level meter to be detected and at least one pipe to be detected, wherein the pipe to be detected and the liquid level meter to be detected are correspondingly and matched, and the standard pipe is connected with the pipe to be detected through a communicating pipe; the standard liquid level meter comprises a laser interferometer, an interference mirror group and a reflecting mirror, wherein the laser interferometer is arranged on one side above the standard tube, the interference mirror group is arranged above the standard tube, a buoyancy member is arranged in the standard tube, the reflecting mirror is arranged on the buoyancy member, the standard tube is connected with a detected tube through a communicating tube according to the principle that the liquid level and the liquid level in the communicating tube are equal, the liquid level in the standard tube is read by the laser interferometer in a matched mode, the liquid level in the detected tube is read by the liquid level meter, and the measuring precision and the detecting range of the liquid level meter detecting device are effectively improved.
Drawings
The features and advantages of the present utility model will be more clearly understood by reference to the accompanying drawings, which are illustrative and should not be construed as limiting the utility model in any way, in which:
FIG. 1 is a schematic view of a fluid level gauge verification apparatus according to a preferred embodiment of the present utility model;
FIG. 2 is a schematic view of the structure of a standard level gauge disclosed in a preferred embodiment of the present utility model;
FIG. 3 is a structural combination diagram of a standard level gauge and a standard tube as disclosed in the preferred embodiment of the present utility model;
FIG. 4 is a structural combination of a curb rail and buoyancy element as disclosed in the preferred embodiment of the present utility model.
The reference numerals in the drawings denote:
10. a liquid supply mechanism; 20. a standard level gauge; 30. a standard tube; 40. a liquid level gauge to be detected; 50. a tube to be inspected; 31. a valve; 21. a laser interferometer; 22. an interference lens group; 23. a reflective mirror; 60. a buoyancy member; 61. a guide block; 101. a frame; 102. a mounting platform; 103. a bracket; 104. a mounting plate; 1041. a detection port; 105. a substrate; 106. a screw; 1071. a first fine adjustment mechanism; 1072. a first connection plate; 1073. a connecting rod; 70. a spacing guide rail; 1081. a second fine adjustment mechanism; 1082. a second connecting plate; 1083. a tensioning mechanism; 41. a buoyancy type liquid level meter to be detected; 42. a magnetostriction type liquid level meter to be detected; 43. a pressure type liquid level meter to be detected; 44. a reflective liquid level gauge.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit or scope of the utility model, which is therefore not limited to the specific embodiments disclosed below.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; the connection may be mechanical connection, electrical connection, direct connection, indirect connection through an intermediate medium, communication between two elements, or "transmission connection", i.e. power connection by various suitable means such as belt transmission, gear transmission or sprocket transmission. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 to 4, the embodiment of the utility model discloses a liquid level meter calibrating device, which comprises a liquid supply mechanism 10, a standard liquid level meter 20, a standard pipe 30, at least one liquid level meter 40 to be detected and at least one liquid pipe 50 to be detected, wherein the liquid pipe 50 to be detected is correspondingly matched with the liquid level meter 40 to be detected; the standard tube 30 is connected with the detected tube 50 through a communicating tube, the liquid supply mechanism 10 sends the detection liquid into the standard tube 30 and the detected tube 50 through a pipeline by utilizing the principle that the liquid level and the liquid surface height in the communicating tube are equal, the standard liquid level meter 20 is used for detecting the liquid level in the standard tube 30 to obtain a standard value, and the detected liquid level meter 40 is used for detecting the liquid level in the detected tube 50 to obtain an actual measurement value.
Specifically, a plurality of calibration point marks are provided on the detected tube 50 at intervals, the liquid supply mechanism 10 sends the detection liquid into the standard tube 30 and the detected tube 50, when the liquid level reaches the preset calibration point position of the detected tube 50, the standard liquid level meter 20 reads the liquid level in the standard tube 30 to obtain a standard value, and the detected liquid level meter 40 is used for detecting the liquid level in the detected tube 50 to obtain an actual measurement value.
In this embodiment, the detection liquid is normal water, the liquid supply mechanism 10 includes a water storage tank and a hydraulic mechanism, the water in the water storage tank is pumped into the standard tube 30 and the detected tube 50 by the hydraulic action of the hydraulic mechanism, a valve is disposed at the bottom end of the standard tube 30, and the liquid levels in the standard tube 30 and the detected tube 50 are adjusted by opening or closing the valve 31.
Alternatively, the liquid supply mechanism 10 includes a water storage tank and a water supply pump, the water supply pump pumps water in the water storage tank into the standard pipe 30 and the detected pipe 50 through a pipeline, a valve 31 is provided at the bottom end of the standard pipe 30, and the liquid level in the standard pipe 30 and the detected pipe 50 is adjusted by opening or closing the valve 31.
The standard liquid level meter 20 comprises a laser interferometer 21, an interference mirror group 22 and a reflective mirror 23, wherein the laser interferometer 21 is arranged on one side above the standard tube 30, the interference mirror group 22 is arranged above the standard tube 30, a buoyancy member 60 is arranged in the standard tube 30, the reflective mirror 23 is arranged on the buoyancy member 60, when water is pumped into the standard tube 30 and the detected tube 50, the buoyancy member 60 drives the reflective mirror 23 to float upwards, after laser beams emitted by the laser interferometer 21 are reflected by the reflective mirror 23 through the interference mirror group 22, the purpose of measuring the liquid level height in the standard tube 30 in real time can be achieved, and then a standard value is obtained.
As shown in fig. 1, in one embodiment, the calibration device for a liquid level meter further includes a frame 101, a mounting platform 102 is provided on the frame 101, the standard tube 30 and at least one detected tube 50 are provided on the mounting platform 102, a bracket 103 is provided on the mounting platform 102, a mounting plate 104 is provided on the bracket 103, a detection port 1041 is provided in the middle of the mounting plate 104, the mounting plate 104 is provided above the standard tube 30, the detection port 1041 is provided directly above the opening of the standard tube 30, and the standard liquid level meter 20 is provided on the mounting plate 104.
As shown in fig. 1 and 3, in one embodiment, the bottom ends of the standard tube 30 and the tube 50 to be tested are provided with a base plate 105, the base plate 105 is fixed on the mounting platform 102 by a screw 106, and the levelness of the base plate 105 is adjusted by adjusting the screw 106, so that the verticality of the axes of the standard tube 30 and the tube 50 to be tested relative to the horizontal plane reaches an optimal state; specifically, the mounting platform 102 is provided with a clamping groove, the periphery of the base plate 105 is provided with a threaded hole, the threaded member 106 penetrates through the threaded hole and is clamped in the clamping groove, and the levelness of the base plate 105 is adjusted by adjusting the threaded member 106, so that the verticality of the axes of the standard tube 30 and the detected tube 50 relative to the horizontal plane reaches an optimal state.
As shown in fig. 1, 2 and 3, in one embodiment, the mounting board 104 is provided with a first fine adjustment mechanism 1071, the first fine adjustment mechanism 1071 is provided with a first connection board 1072, the first connection board 1072 is provided with a connecting rod 1073, one end of the connecting rod 1073 is connected with the first connection board 1072, the other end of the connecting rod 1073 is connected with the interference lens group 22, and the first fine adjustment mechanism 1071 is used for driving the first connection board 1072 to move along the X axis and the Y axis, and further driving the connecting rod 1073 and the interference lens group 22 to perform fine adjustment along the X axis and the Y axis, so as to adjust the position and the posture of the interference lens group 22, so as to better promote the measurement effect of the laser interferometer 21; in this embodiment, the first fine adjustment mechanism 1071 includes an X-axis driving assembly and a Y-axis driving assembly, the first connecting plate 1072 is disposed on the Y-axis driving assembly, and the X-axis driving assembly and the Y-axis driving assembly can be simply manufactured by adopting the prior art or purchased from the market, which is not described herein.
As shown in fig. 1 to 4, in one embodiment, limiting rails 70 are disposed in parallel inside the standard tube 30, and two sides of the buoyancy member 60 are clamped in the limiting rails 70, and the limiting rails 70 are used for limiting the buoyancy member 60, so as to avoid that the buoyancy member 60 deflects when floating up and down with the detected water in the standard tube 30, and thus the verification accuracy of the liquid level in the standard tube 30 by the laser interferometer 21 is affected.
As shown in fig. 4, in one embodiment, the buoyancy member 60 is made of a siren material, and the buoyancy member 60 is made of a monolithic 3D printing process, so as to reduce the number of parts of the buoyancy member 60 with geometric tolerance precision for liquid level measurement; the buoyancy member 60 has a hollow structure with an opening at the upper end, so as to effectively increase the floating effect of the buoyancy member 60; the reflector 23 is arranged at the bottom end part of the inner side of the buoyancy member 60, so as to conveniently receive the laser beam emitted from the laser interferometer 21, and in addition, the stability of the buoyancy member 60 floating in the standard tube 30 is increased; the outer side of the buoyancy member 60 is provided with a guide block 61, the guide block 61 is provided with a guide hole, and the limit guide rail 70 is arranged to penetrate through the guide hole, so as to limit and guide the buoyancy member 60; specifically, in order to ensure that the buoyancy member 60 can smoothly move up and down in the standard tube 30 in real time without radial deflection when the verification device is implemented, a certain gap is maintained between the guide hole and the flexible guide rail.
Further, the guide blocks 61 are provided at the upper and lower ends of the buoyancy member 60, respectively, so as to secure the stability of the buoyancy member 60 floating in the standard pipe 30.
As shown in fig. 2 and 3, in one embodiment, the limit rail 70 is constructed of a flexible material to ensure the installation accuracy and the free posture of the buoyancy member 60; the mounting plate 104 is provided with second fine adjustment mechanisms 1081 on two sides of the detection port 1041, the second fine adjustment mechanisms 1081 are provided with second connection plates 1082, the second connection plates 1082 are provided with tensioning mechanisms 1083, the lower end parts of the limiting guide rails 70 are fixed at the bottom ends of the standard tubes 30, the upper end parts of the limiting guide rails 70 are clamped on the tensioning mechanisms 1083, and the tensioning mechanisms 1083 are used for adjusting the tension and rigidity of the limiting guide rails 70; the second fine adjustment mechanism 1081 is configured to drive the second connection board 1082 to move along the X-axis and the Y-axis, and further drive the tensioning mechanism 1083 and the limit rail 70 to fine adjust along the X-axis and the Y-axis, so as to adjust the position and the posture of the limit rail 70, and adjust the parallelism of the two limit rails 70 and the perpendicularity of the limit rail 70 to a horizontal plane; in this embodiment, the tensioning mechanism 1083 is a tensioning rod, the tensioning rod is provided with a tensioning opening, and the limit guide rail is arranged to penetrate through the tensioning opening in a tight fit manner; the second fine adjustment mechanism 1081 includes an X-axis driving component and a Y-axis driving component, the second connection board 1082 is disposed on the Y-axis driving component, and the X-axis driving component and the Y-axis driving component can be simply manufactured or purchased from the market by using the prior art, which is not described herein.
As shown in fig. 1, in one embodiment, the at least one detected liquid level meter 40 includes at least one liquid level meter of a detected buoyancy type liquid level meter 41, a detected magnetostriction type liquid level meter 42, a detected pressure type liquid level meter 43, a detected reflection type liquid level meter 44, and the like, where the detected liquid level meter 40 is respectively disposed on the mounting platform 102, and the standard tube 30 can be connected with different liquid level meters through the communicating tube and verification can be implemented, so that the verification of the liquid level meter can be implemented on the customer site, and only one verification personnel is required to complete the whole verification process.
In the specific working process of the utility model, taking the detected liquid level meter 40 as the detected buoyancy liquid level meter 41 and 10 detection points of the detected pipe 50 as examples, the screw 106 is regulated, so that the perpendicularity of the axes of the standard pipe 30 and the detected pipe 50 relative to the horizontal plane is ensured to reach an optimal state; starting the laser interferometer 21 and the buoyancy liquid level meter 41 to be detected, and preheating for 15 minutes; adjusting a valve 31 arranged at the bottom end of the standard pipe 30 to enable the position of the buoyancy member 60 to be at the lowest position of the standard pipe 30, and clearing the reading of the laser interferometer 21 and the reading of the buoyancy liquid level meter 41 to be detected; the hydraulic mechanism is started to raise the liquid level in the standard tube 30 and the detected tube 50, and when the liquid level in the standard tube 30 reaches the first verification point (x FS 10) mm, the valve 31 is closed to stabilize the liquid level at the verification point, and the reading of the detected liquid level meter is x 1 mm, - (x) FS /10)-x 1 And mm is the absolute value error of the first detected point, where Xx S Is the nominal full scale of the level gauge being calibrated; continuingThe hydraulic mechanism is started to raise the liquid level in the standard tube 30 and the detected tube 50, when the liquid level in the standard tube 30 reaches the second verification point (2 x FS 10) mm, the valve 31 is closed to stabilize the liquid level at the verification point, and the reading of the detected liquid level meter is x 2 mm I (2 x FS /10)-x 2 One mm is the absolute value error of the first detection point; the verification of the rest 8 detection points is sequentially completed in the same way, and the absolute indication error of the ith detection point is I (ix FS /10)-x 2 I is more than 2 and less than or equal to 10; after the verification is finished, starting and adjusting a hydraulic system to reduce the pressure so as to enable the liquid levels in the standard pipe 30 and the detected pipe 50 to be reduced, sequentially finishing the reading of the verified liquid level meter when the liquid level is at each detection point in the liquid level reduction process, and finishing the verification operation of the verified liquid level meter; by arranging the standard liquid level meter 20 by the laser interferometer 21, the measuring precision and the verification range of the liquid level meter verification device are effectively improved, and on the premise that the verification range of the laser interferometer 21 reaches 80m, if the verification range of the device is required to be enlarged, the length of the standard tube 30 is required to be increased, so that the expandability of the device is further improved.
In summary, according to the liquid level meter calibrating device disclosed by the utility model, the standard tube 30 is connected with the detected tube 50 through the communicating tube by the principle that the liquid level heights in the communicating tube are equal, the liquid level heights in the standard tube 30 are read by the laser interferometer 21, and the liquid level heights in the detected tube 50 are read by the liquid level meter 40, so that the measuring precision and the calibrating range of the liquid level meter calibrating device disclosed by the utility model are effectively improved.
Although embodiments of the present utility model have been described in connection with the accompanying drawings, various modifications and variations may be made by those skilled in the art without departing from the spirit and scope of the utility model, and such modifications and variations fall within the scope of the utility model as defined by the appended claims.
Claims (10)
1. The calibrating device for the liquid level meter is characterized by comprising a liquid supply mechanism, a standard liquid level meter, a standard pipe, at least one liquid level meter to be detected and at least one pipe to be detected, wherein the pipe to be detected and the liquid level meter to be detected are correspondingly and matched, and the standard pipe is connected with the pipe to be detected through a communicating pipe; the standard liquid level meter comprises a laser interferometer, an interference lens group and a reflecting mirror, wherein the laser interferometer is arranged on one side above the standard pipe, the interference lens group is arranged above the standard pipe, a buoyancy member is arranged in the standard pipe, and the reflecting mirror is arranged on the buoyancy member.
2. The device for calibrating a liquid level meter according to claim 1, further comprising a frame, wherein a mounting platform is arranged on the frame, the standard tube and the at least one detected tube are arranged on the mounting platform, a bracket is arranged on the mounting platform, a mounting plate is arranged on the bracket, a detection opening is formed in the middle of the mounting plate, the mounting plate is arranged above the standard tube, the detection opening is arranged right above an opening of the standard tube, and the standard liquid level meter is arranged on the mounting plate.
3. The device for calibrating a liquid level meter according to claim 2, wherein the bottom ends of the standard tube and the detected tube are provided with base plates, and the base plates are fixed on the mounting platform through screw members.
4. The device for calibrating a liquid level meter according to claim 2, wherein a first fine adjustment mechanism is arranged on the mounting plate, a first connecting plate is arranged on the first fine adjustment mechanism, a connecting rod is arranged on the first connecting plate, one end of the connecting rod is connected with the first connecting plate, the other end of the connecting rod is connected with the interference lens group, and the first fine adjustment mechanism is used for driving the first connecting plate to move along the X-axis and the Y-axis directions.
5. The gauge calibrating apparatus according to claim 2, wherein the standard tube is provided with a limiting guide rail in parallel inside, wherein both sides of the buoyancy member are clamped in the limiting guide rail, and the limiting guide rail is used for limiting the buoyancy member.
6. The gauge calibrating apparatus according to claim 5, wherein the buoyancy member has a hollow structure with an opening at an upper end, the reflector is disposed at an inner bottom end of the buoyancy member, a guide block is disposed at an outer side of the buoyancy member, a guide hole is formed in the guide block, and the limit rail is disposed through the guide hole.
7. The gauge calibrating apparatus according to claim 6, wherein the guide blocks are provided at an upper end portion and a lower end portion of the buoyancy member, respectively.
8. The device for calibrating a liquid level meter according to claim 5, wherein the limiting guide rail is of a flexible material structure, the mounting plates are respectively provided with second fine adjustment mechanisms at two sides of the detection opening, the second fine adjustment mechanisms are provided with second connecting plates, the second connecting plates are provided with tensioning mechanisms, the lower end parts of the limiting guide rail are fixed at the bottom ends of the standard tubes, the upper end parts of the limiting guide rail are clamped on the tensioning mechanisms, and the second fine adjustment mechanisms are used for driving the second connecting plates to move along the directions of the X axis and the Y axis.
9. The gauge calibrating apparatus according to claim 1 or 2, wherein the buoyancy member is of a siren material construction and is of a construction manufactured using a monolithic 3D printing process.
10. The gauge calibrating apparatus according to claim 1 or 2, wherein the at least one detected gauge comprises at least one gauge of a detected buoyancy gauge, a detected magnetostrictive gauge, a detected pressure gauge, a detected reflective gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321374513.XU CN220039597U (en) | 2023-06-01 | 2023-06-01 | Calibrating device for liquid level meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321374513.XU CN220039597U (en) | 2023-06-01 | 2023-06-01 | Calibrating device for liquid level meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220039597U true CN220039597U (en) | 2023-11-17 |
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ID=88737779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321374513.XU Active CN220039597U (en) | 2023-06-01 | 2023-06-01 | Calibrating device for liquid level meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220039597U (en) |
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2023
- 2023-06-01 CN CN202321374513.XU patent/CN220039597U/en active Active
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