CN212030815U - Pressure sensor calibrating device - Google Patents
Pressure sensor calibrating device Download PDFInfo
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- CN212030815U CN212030815U CN202020737482.XU CN202020737482U CN212030815U CN 212030815 U CN212030815 U CN 212030815U CN 202020737482 U CN202020737482 U CN 202020737482U CN 212030815 U CN212030815 U CN 212030815U
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- pressure sensor
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Abstract
The utility model discloses a pressure sensor calibrating device, the on-line screen storage device comprises a base, the upper end fixed mounting of base has standard pressure sensor and the pressure sensor that awaits measuring, standard pressure sensor and the pressure sensor that awaits measuring are all through two spinal branch daggers and base fixed connection, standard pressure sensor and the upper end of the pressure sensor that awaits measuring all communicate there is the input tube, be equipped with detection component on the input tube on the pressure sensor that awaits measuring, it has the output tube all to communicate on standard pressure sensor and the pressure sensor that awaits measuring. The utility model discloses a setting up of determine module, warning subassembly and chucking mechanism has realized detecting single, a plurality of or whole sense tubes, has avoided can only single sense tube measuring condition, and the setting up of warning subassembly can warn the warning to the deviation of data, can also obtain three data of group, has reduced the production of error, has improved the precision that detects.
Description
Technical Field
The utility model relates to a pressure sensor calibration technical field especially relates to a pressure sensor calibrating device.
Background
The pressure sensor is a device or a device which can sense pressure signals and can convert the pressure signals into usable output electric signals according to a certain rule, and the pressure sensor is generally composed of a pressure sensitive element and a signal processing unit, is widely applied to various industrial automatic control environments and relates to various industries such as water conservancy and hydropower, railway traffic, intelligent buildings, production automatic control, aerospace, war industry, petrifaction, oil wells, electric power, ships, machine tools, pipelines and the like.
The existing product test is one step that whether the production of the inspection product is qualified and can not meet the design requirement, and is regarded as the measurement standard, whether self is qualified, and is especially important, and the existing calibrating device can only carry out error measurement to a single detecting tube, and the sealing effect of the measuring junction is difficult to guarantee to be sealed, and the accuracy of data is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that can only single detecting tube of existence among the prior art and measuring, sealed effect is difficult to guarantee to make data have an error, and the pressure sensor calibrating device who proposes not only can measure and compare by multiunit data, can also measure a plurality of detecting tubes, and sealed effect is not good can warn, detect again.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a pressure sensor calibrating device, includes the base, the upper end fixed mounting of base has standard pressure sensor and the pressure sensor that awaits measuring, standard pressure sensor and the pressure sensor that awaits measuring all through two spinal branch daggers and base fixed connection, standard pressure sensor and the upper end of the pressure sensor that awaits measuring all communicate there is the input tube, be equipped with the determine module on the input tube on the pressure sensor that awaits measuring, it has the output tube all to communicate on standard pressure sensor and the pressure sensor that awaits measuring, is equipped with same chucking mechanism on two output tubes, be equipped with the warning subassembly in the chucking mechanism, all communicate on standard pressure sensor and the pressure sensor's that awaits measuring the lateral wall has a plurality of detecting tubes, has realized the detection to a plurality of detecting tubes, and multiunit data has reduced the production of error.
Preferably, a plurality of the detection tubes are provided with threaded holes, and the threaded holes are in threaded connection with threaded sealing plugs, so that the plurality of detection tubes can be sealed, and detection of a single detection tube, a plurality of detection tubes or all the detection tubes is realized.
Preferably, the detection component comprises a gas pressure gauge communicated with an input pipe on the pressure sensor to be detected, a sealing sheet is fixedly arranged at the connecting part of the gas inlet end of the gas pressure gauge and the input pipe, the data of the pressure sensor to be detected is increased by the arrangement of the detection component, the data of the standard pressure sensor and the data of the pressure sensor to be detected are matched, and the detection errors are reduced by the aid of multiple groups of data.
Preferably, chucking mechanism is including locating the draw-in groove on standard pressure sensor's the output tube, be equipped with on the output tube on the pressure sensor that awaits measuring with draw-in groove assorted fixture block, all the cover is equipped with the annular magnet piece on standard pressure sensor's the output tube and the output tube on the pressure sensor that awaits measuring, the annular magnet piece on the output tube on the pressure sensor that awaits measuring and the one end fixed connection of warning subassembly, chucking mechanism's setting utilizes joint and magnetic adsorption to make the test gas in the standard pressure sensor can carry out data detection in the pressure sensor that awaits measuring.
Preferably, the warning subassembly includes the piston barrel of fixed mounting on the annular magnet piece of pressure sensor that awaits measuring, sliding seal connects with the piston in the piston barrel, piston barrel intercommunication has warning pipe, two the coupling part laminating of annular magnet piece has annular sucking disc, annular sucking disc passes through bellows intercommunication setting with the piston barrel, and the setting of warning subassembly has realized making the warning to the revealing of detecting gas, reminds operating personnel to detect this time and has the error, needs to detect again.
Preferably, a pressure one-way valve is fixedly installed in the air outlet end of the warning pipe.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a cooperation between warning subassembly, piston cylinder, warning pipe, annular sucking disc, annular magnet piece and the output tube has realized the detection to the interior gas tightness of two output tubes, can make the warning to the revealing of testing gas, reminds operating personnel to detect this time and has the error, need detect the calibration again, has guaranteed the accuracy of data.
2. The utility model discloses a chucking mechanism, draw-in groove, fixture block and annular magnet piece's setting utilizes the joint of fixture block and draw-in groove to make two output tube intercommunications settings for look sideways at in the standard pressure sensor gaseous can enter into the pressure sensor that awaits measuring and detect, thereby obtain numerical value in the standard pressure sensor and the numerical value of the pressure sensor that awaits measuring, conveniently carry out data comparison, thereby carry out calibration processing.
3. The utility model discloses a setting of determine module, test tube, sealing plug, gas pressure table and gasket utilizes the sealing plug to the sealed processing of test tube, can detect single, a plurality of or whole test tubes, has still addd new data through gas pressure table to three data of group can be compared each other, thereby have reduced the production of error, have improved the precision.
Drawings
Fig. 1 is a schematic structural diagram of a pressure sensor calibration device provided by the present invention;
FIG. 2 is an enlarged schematic view at A in FIG. 1;
fig. 3 is a schematic perspective view of an output tube on a standard pressure sensor in a pressure sensor calibration apparatus according to the present invention;
fig. 4 is the utility model provides a spatial structure schematic diagram of the output tube of the pressure sensor that awaits measuring among the pressure sensor calibrating device.
In the figure: the device comprises a base 1, a standard pressure sensor 2, a pressure sensor to be measured 3, an input tube 4, an output tube 5, a detection tube 6, a sealing plug 7, a gas pressure gauge 8, a sealing sheet 9, a clamping groove 10, a clamping block 11, a piston cylinder 12, a warning tube 13, an annular sucking disc 14 and an annular magnet sheet 15.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-4, a pressure sensor calibration device comprises a base 1, a standard pressure sensor 2 and a pressure sensor 3 to be measured are fixedly installed at the upper end of the base 1, the standard pressure sensor 2 and the pressure sensor 3 to be measured are both fixedly connected with the base 1 through two support columns, the upper ends of the standard pressure sensor 2 and the pressure sensor 3 to be measured are both communicated with an input pipe 4, a detection assembly is arranged on the input pipe 4 on the pressure sensor 3 to be measured, output pipes 5 are both communicated with the standard pressure sensor 2 and the pressure sensor 3 to be measured, the same clamping mechanism is arranged on the two output pipes 5, a warning assembly is arranged in the clamping mechanism, a plurality of detection pipes 6 are both communicated with the side walls of the standard pressure sensor 2 and the pressure sensor 3 to be measured, threaded holes are arranged on the plurality of detection pipes 6, and threaded holes 7, set up sealing plug 7 like this and can treat a plurality of stand pipes 6 on waiting to measure pressure sensor 3, made things convenient for the later stage to carry out single stand pipe 6, a plurality of stand pipes 6 or a plurality of stand pipes 6 to the pressure sensor 3 that awaits measuring and detect the processing.
Wherein, the determine module includes the gas pressure table 8 with the input tube 4 intercommunication on the pressure sensor 3 that awaits measuring, wherein gas pressure table 8 is prior art, do not excessively give unnecessary details here, gas pressure table 8's inlet end and input tube 4's coupling part fixed mounting has gasket 9, gasket 9 set up the inlet end of aim at gas pressure table 8 and the coupling part of input tube 4 do not have gas leakage, the accuracy of data detection has been guaranteed, set up gas pressure table 8 purpose like this, except the numerical value on more standard pressure sensor 2 and the pressure sensor 3 that awaits measuring, can also compare the numerical value on the gas pressure table 8, the production of error has been reduced to multiunit data.
Wherein, chucking mechanism is including locating draw-in groove 10 on standard pressure sensor 2's the output tube 5, be equipped with on the output tube 5 on the pressure sensor 3 that awaits measuring with draw-in groove 10 assorted fixture block 11, it needs to notice, draw-in groove 10 and fixture block 11's height, width and length are identical, make the two inseparable seamless when connecting like this, all overlap on standard pressure sensor 2's the output tube 5 and the output tube 5 on the pressure sensor 3 that awaits measuring and be equipped with annular magnet piece 15, two annular magnet piece 15 magnetic poles are opposite, the magnetic adsorption that sets up the purpose like this and lead to two annular magnet piece 15 makes the draw-in groove 10 inseparabler with the being connected of fixture block 11, annular magnet piece 15 on the output tube 5 on the pressure sensor 3 that.
More specifically, the warning assembly includes a piston cylinder 12 fixedly installed on an annular magnet piece 15 of the pressure sensor 3 to be measured, a piston is slidably and hermetically connected in the piston cylinder 12, it should be noted that warning gas is arranged on the piston and between the top surface of the piston cylinder 12, the warning gas is the prior art, redundant description is omitted here, the piston cylinder 12 is communicated with a warning pipe 13, an annular suction cup 14 is attached to the connecting part of the two annular magnet pieces 15, the annular suction cup 14 is communicated with the piston cylinder 12 through a corrugated pipe, a pressure one-way valve is fixedly installed in the gas outlet end of the warning pipe 13, the arrangement is such that once the two output pipes 5 are connected with a gap, so that side-looking gas is leaked, the leaked gas enters the piston cylinder 12 through the corrugated pipe, thereby pushing the piston to move upwards, and further enabling the warning gas above the piston to be discharged through the one-way pressure valve in the warning pipe 13, therefore, an operator is reminded that test gas leaks, namely the connection of the two output pipes 5 is not tight, and the data measurement has errors and needs to be measured again.
The utility model discloses in, be connected output tube 5 of standard pressure sensor 2 and output tube 5 of pressure sensor 3 that awaits measuring, draw-in groove 10 on output tube 5 of standard pressure sensor 2 and fixture block 11 on output tube 5 of pressure sensor 3 that awaits measuring carry out the joint, because draw-in groove 10 and fixture block 11's width, height and length are all the same, make the connection of draw-in groove 10 and fixture block 11 seamless, and then make output tube 5 of standard pressure sensor 2 and the output tube 5 intercommunication setting of pressure sensor 3 that awaits measuring, and annular magnet piece 15 on output tube 5 of standard pressure sensor 2 and the annular magnet piece 15 on output tube 5 of pressure sensor 3 that awaits measuring carry out magnetic adsorption, further output tube 5 of standard pressure sensor 2 and the output tube 5 intercommunication of pressure sensor 3 that awaits measuring provide the guarantee, and annular sucking disc 14 laminates annular magnet piece 15 on output tube 5 of standard pressure sensor 2 and the output tube 5 of pressure sensor 3 that awaits 5, once gas leaks out, the gas enters the piston cylinder 12 through the corrugated pipe through the annular sucker 14 and pushes the piston to move upwards, the space above the piston of the piston cylinder 12 is filled with warning gas, and then the warning gas is discharged through the one-way pressure valve in the warning pipe 13, so that the gas leakage is informed to the calibration, the data is inaccurate, the test gas is introduced into the standard pressure sensor 2 through the input pipe 4, the torsion sealing plug 7 carries out sealing treatment on a plurality of detection pipes in the standard pressure sensor 2, so that the test gas enters the output pipe 5 of the pressure sensor 3 to be tested through the output pipe 5 of the standard pressure sensor 2, and it needs to be noted that a single detection pipe 6, a plurality of detection pipes 6 or all detection pipes 6 can be selected according to actual needs, and the detection can be carried out only by twisting the sealing plug 7, and the input tube 4 of the pressure sensor 3 to be measured is internally communicated with a gas pressure gauge 8, so that the numerical value displayed on the gas pressure gauge 8 can be compared with the numerical value displayed on the pressure sensor 3 to be measured and the numerical value of the standard pressure sensor 2, and the pressure sensor 3 to be measured is adjusted until the numerical values are the same, thereby completing the calibration.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A pressure sensor calibration device comprises a base (1) and is characterized in that a standard pressure sensor (2) and a pressure sensor (3) to be measured are fixedly arranged at the upper end of the base (1), the standard pressure sensor (2) and the pressure sensor (3) to be measured are both fixedly connected with the base (1) through two support columns, the upper ends of the standard pressure sensor (2) and the pressure sensor (3) to be measured are communicated with an input pipe (4), a detection component is arranged on an input pipe (4) on the pressure sensor (3) to be detected, the standard pressure sensor (2) and the pressure sensor (3) to be measured are both communicated with an output pipe (5), the two output pipes (5) are provided with the same clamping mechanism, be equipped with in the chucking mechanism and warn the subassembly, all communicate on the lateral wall of standard pressure sensor (2) and pressure sensor (3) that awaits measuring has a plurality of detecting tube (6).
2. A pressure sensor calibrating device according to claim 1, wherein a plurality of said test tubes (6) are provided with threaded holes, and a sealing plug (7) with threads is screwed into said threaded holes.
3. The pressure sensor calibration device according to claim 1, wherein the detection component comprises a gas pressure gauge (8) communicated with the input pipe (4) of the pressure sensor (3) to be tested, and a sealing sheet (9) is fixedly arranged at the connection part of the gas inlet end of the gas pressure gauge (8) and the input pipe (4).
4. The pressure sensor calibration device according to claim 1, wherein the clamping mechanism comprises a clamping groove (10) formed in an output tube (5) of the standard pressure sensor (2), a clamping block (11) matched with the clamping groove (10) is arranged on the output tube (5) of the pressure sensor (3) to be measured, annular magnet pieces (15) are sleeved on the output tube (5) of the standard pressure sensor (2) and the output tube (5) of the pressure sensor (3) to be measured, and the annular magnet pieces (15) on the output tube (5) of the pressure sensor (3) to be measured are fixedly connected with one end of the warning component.
5. The pressure sensor calibration device according to claim 4, wherein the warning assembly comprises a piston cylinder (12) fixedly mounted on an annular magnet piece (15) of the pressure sensor (3) to be measured, a piston is slidably and hermetically connected in the piston cylinder (12), the piston cylinder (12) is communicated with a warning pipe (13), an annular suction cup (14) is attached to a connecting portion of the two annular magnet pieces (15), and the annular suction cup (14) and the piston cylinder (12) are arranged in a communicating manner through a corrugated pipe.
6. A pressure sensor calibration device according to claim 5, characterized in that a pressure check valve is fixedly installed in the air outlet end of the warning tube (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020737482.XU CN212030815U (en) | 2020-05-07 | 2020-05-07 | Pressure sensor calibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020737482.XU CN212030815U (en) | 2020-05-07 | 2020-05-07 | Pressure sensor calibrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212030815U true CN212030815U (en) | 2020-11-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020737482.XU Expired - Fee Related CN212030815U (en) | 2020-05-07 | 2020-05-07 | Pressure sensor calibrating device |
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| Country | Link |
|---|---|
| CN (1) | CN212030815U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113358290A (en) * | 2021-06-16 | 2021-09-07 | 马鞍山市奈特仪表科技有限公司 | Stainless steel sealing detection method based on helium mass spectrometer leak detector |
| CN116481709A (en) * | 2023-05-09 | 2023-07-25 | 苏州优简供电子有限公司 | Pressure sensor accuracy detection device |
-
2020
- 2020-05-07 CN CN202020737482.XU patent/CN212030815U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113358290A (en) * | 2021-06-16 | 2021-09-07 | 马鞍山市奈特仪表科技有限公司 | Stainless steel sealing detection method based on helium mass spectrometer leak detector |
| CN113358290B (en) * | 2021-06-16 | 2022-05-31 | 马鞍山市奈特仪表科技有限公司 | Stainless steel sealing detection method based on helium mass spectrometer leak detector |
| CN116481709A (en) * | 2023-05-09 | 2023-07-25 | 苏州优简供电子有限公司 | Pressure sensor accuracy detection device |
| CN116481709B (en) * | 2023-05-09 | 2023-11-17 | 苏州优简供电子有限公司 | Pressure sensor accuracy detection device |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201127 |
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| CF01 | Termination of patent right due to non-payment of annual fee |