CN203572617U - Testing device for inspecting sensor for measuring liquid pressure - Google Patents
Testing device for inspecting sensor for measuring liquid pressure Download PDFInfo
- Publication number
- CN203572617U CN203572617U CN201320688996.0U CN201320688996U CN203572617U CN 203572617 U CN203572617 U CN 203572617U CN 201320688996 U CN201320688996 U CN 201320688996U CN 203572617 U CN203572617 U CN 203572617U
- Authority
- CN
- China
- Prior art keywords
- sensor
- pressure
- proving installation
- measured
- testing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 72
- 239000007788 liquid Substances 0.000 title abstract 2
- 239000012530 fluid Substances 0.000 claims abstract description 19
- 238000009434 installation Methods 0.000 claims description 27
- 230000001681 protective effect Effects 0.000 claims description 7
- 239000003921 oil Substances 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 239000010720 hydraulic oil Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Images
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
The utility model discloses a testing device for inspecting a sensor for measuring liquid pressure. The testing device includes a sensor testing seat for arranging a sensor to be tested and a pressure generator communicated with the sensor testing seat via an input pipe, The testing device further includes a controller for displaying the detected result of the sensor to tested, the controller is provided with a signal input end communicated with the signal output end of the sensor to be tested, the input pipe is serially connected with an electromagnetic switch valve, and the signal input end of the electromagnetic switch valve is connected with the signal output end of the controller. When the pressure detected by the sensor meets the pressure requirements for testing, the controller sends signals to the electromagnetic switch valve, the electromagnetic switch valve controls the closing of the input pipe to access to the pressure maintaining testing state, the pressure applied to the sensor to be tested is stable, and the fluid pressure in the input pipe and the sensor testing seat don't change, the fluid pressure cannot generate impact on the sensor to be tested, so that the testing accuracy can be effectively improved.
Description
Technical field
The utility model relates to a kind of proving installation for the sensor of measuring fluid pressure is tested.
Background technology
Along with control system developing rapidly in every profession and trade, more and more higher for fluid pressure being detected to the accuracy requirement of the sensors such as the pressure transducer, Pressure Switch Sensor measured in control system, need to test to guarantee the functional reliability of sensor in advance to it.
The durable detection testing table of a kind of pressure transducer is disclosed in the Chinese utility model patent that is CN203037408U at application publication number, comprise as the oil path block of sensor test seat with for the oil cylinder of the piston-rodless as pressure generator of pressure oil is provided to oil path block, oil path block has the cavity for splendid attire hydraulic oil, on oil path block, be provided with the detection hole for sensor to be measured is installed, oil cylinder is communicated with oil path block by pipeline, and on pipeline, be serially connected with electro-hydraulic proportional valve for adjusting oil pressure size and the pressure monitoring sensor for detection of oil pressure size, pressure monitoring sensor is connected to form closed-loop control with electro-hydraulic proportional valve.During use, by pressure generator, in sensor test seat, provide hydraulic oil, meanwhile, by electro-hydraulic proportional valve, adjust oil pressure size in pipeline and, to reach test pressure, then start to observe the monitoring result of testing pressure sensor.
But above-mentioned detection testing table is when carrying out sensor test, pressure generator is ceaselessly exported hydraulic oil in pipeline, and then make oil pressure in pipeline not stop to raise, although can adjust rapidly by passing ratio variable valve, but impact to pressure transducer to be measured, and then affect test result.
Utility model content
The purpose of this utility model is to provide a kind of proving installation for the sensor of measuring fluid pressure is tested, to solve the testing table of the prior art technical matters that hydrodynamic pressure easily impacts to sensor to be measured when testing.
For achieving the above object, provided by the utility model for to the technical scheme of measuring the proving installation that the sensor of fluid pressure tests being: for the proving installation that the sensor of measuring fluid pressure is tested, comprise the sensor test seat for sensor to be measured is installed and the pressure generator being communicated with sensor test seat by intake line, described proving installation also comprises the controller of the testing result for showing sensor to be measured, controling appliance is useful on the signal input part being communicated with the signal output part of sensor to be measured, described intake line is serially connected with electromagnetic switch valve, the signal output part control linkage of the signal input part of electromagnetic switch valve and controller.
On described intake line, be also serially connected with pressure regulator valve, described electromagnetic switch valve is arranged between described pressure generator and pressure regulator valve.
Between described electromagnetic valve switch valve and pressure regulator valve, be also provided with tensimeter.
Described sensor test seat have be communicated with described intake line for holding the inner chamber of high-pressure fluid, on sensor test seat, offer more than onely for the mounting hole of sensor to be measured is installed, mounting hole is communicated with described inner chamber.
On described sensor test seat, be connected with pressure relief pipe, on pressure relief pipe, be serially connected with stop valve.
Described proving installation also comprises the electronics indicating circuit for being connected with the signal output part of sensor to be measured, is serially connected with the pilot lamp that is used to indicate the pressure size being applied on sensor to be measured on electronics indicating circuit.
Described test unit comprises worktable, and described sensor test seat supports is arranged on described worktable, is covered with protective cover on worktable.
On described worktable, be also provided with the warning lamp for lighting when testing.
Usefulness of the present utility model is: in proving installation provided by the utility model, be provided with the controller for showing sensor testing result, and on intake line, be serially connected with electromagnetic switch valve, when testing, pressure generator has the fluid of certain pressure to the input of sensor test seat by intake line, fluid after entering in sensor test seat to sensor to be tested, sensor flows to controller by measured result, by controller, shown, when the pressure of sensor detection reaches the required pressure of test, controller sends signal to electromagnetic switch valve, electromagnetic switch valve action control intake line is closed, enter pressurize test mode, now act on the pressure stability on sensor to be measured, and the hydrodynamic pressure in intake line and sensor test seat also can not change, hydrodynamic pressure impacts can to sensor to be measured, and then can effectively improve measuring accuracy.
Further, pressure regulator valve is set can fluid pressure carry out quick adjustment, and electromagnetic switch valve is arranged between pressure generator and pressure regulator valve, can eliminate the impact of pressure generator on pressure regulator valve in pressurize experimental stage.
Further, between electromagnetic valve switch and pressure regulator valve, be provided with sensor testing result that tensimeter can be shown with controller and form and contrast, to improve measuring accuracy.
Further, sensor test seat is provided with more than one for the mounting hole of sensor to be measured is installed, and like this can be disposable one be tested with upper sensor simultaneously, and test effect is high.
Further, at pressure relief pipe serial connection stop valve, can move to control by controlling stop valve like this switch of pressure relief pipe, and then supercharging, pressure release in control inputs pipeline and sensor test seat.
Further, electronics indicating circuit is when the pressure bearing until the sensor of pressure measurement reaches setup pressure value, the conducting of electronics indicating circuit, pilot lamp lights, and open to carry out after pressure release when stop valve, when setup pressure value is arrived in pressure release, pilot lamp extinguishes, operating personnel, by the lighting and extinguish of viewing lamp, can judge the force value that pressure transducer to be measured bears like this.
Further, on worktable, being provided with protective cover can play a protective role.And warning lamp is set on worktable, can play warning function, avoid unrelated person near or open unintentionally protective cover.
Accompanying drawing explanation
Fig. 1 is provided by the utility model for to the structural representation (figure does not show pressure generator) of measuring the proving installation that the sensor of fluid pressure tests;
Fig. 2 is the structural representation of the pressure generator of proving installation in Fig. 1;
Fig. 3 is the principle schematic of proving installation in Fig. 1.
Embodiment
As shown in Figure 1 to Figure 3, a kind of for to the embodiment that measures the proving installation that the sensor of fluid pressure tests, proving installation in this embodiment comprises worktable 100, on worktable 100, be installed with the sensor test seat 5 for sensor 6 to be measured is installed, sensor test seat 5, for holding the inner chamber of high-pressure fluid, offers multiple for the mounting hole of sensor 6 to be measured is installed on sensor test seat 5.Proving installation also comprises the pressure generator being communicated with sensor test seat 5 by intake line 2, this pressure generator comprises supercharge pump 3 and water tank 1, supercharge pump 3, by pumping in intake line 2 after the water pressurization in water tank 1, is serially connected with successively electromagnetic switch valve 20, tensimeter 24 and pressure regulator valve 21 along water (flow) direction on intake line 2 between supercharge pump 3 and sensor test seat 5.On sensor test seat 5, be also connected with pressure relief pipe, on pressure relief pipe, be serially connected with stop valve 23.Proving installation also comprises the controller 22 for showing sensor test result, controller 22 has the signal input part for being communicated with the signal output part of sensor 6 to be measured, the signal input part control linkage of the signal output part of controller 22 and supercharge pump 3, electromagnetic switch valve 20.
Proving installation in the present embodiment also comprises the electronics indicating circuit for being connected with the signal output part of sensor 6 to be measured, on electronics indicating circuit, be serially connected with the pilot lamp 9 that is used to indicate the pressure size being applied on sensor to be measured, pilot lamp 9 is arranged on worktable 100.
In addition, on worktable 100, be covered with the protective cover 7 for playing protective action.On worktable 100, be also provided with the warning lamp 6 for lighting when testing.
During concrete test, sensor 6 to be tested directly plug-in mounting is fixed in the mounting hole of sensor test seat 5, by supercharge pump 3, in intake line, pump into water under high pressure, water under high pressure is through electromagnetic switch valve 20, after tensimeter 24 and variable valve 21, enter in sensor test seat 5, now, by adjusting variable valve 21, can adjust the pressure in intake line, when pressure reaches setting value, controller 22 sends control signal according to the feedback of sensor 6 to be measured, controlling supercharge pump 3 stops, controlling electromagnetic switch valve 20 closes, enter pressurize test mode, by controller 22, shown test results.After off-test, open stop valve 23 and carry out pressure release by pressure relief pipe.
In above-described embodiment, electromagnetic switch valve is arranged between pressure generator and pressure regulator valve, in other embodiments, also can be arranged between pressure regulator valve and sensor test seat.
In above-described embodiment, on sensor test seat, there is more than one mounting hole, like this can the disposable test of carrying out multiple sensors.
The proving installation that above-described embodiment provides can be used to the general pressure transducer for fluid pressure is measured to test, and also can be used for other sensors that can measure fluid pressure such as Pressure Switch Sensor to test.
Claims (8)
1. the proving installation for the sensor of measuring fluid pressure is tested, comprise the sensor test seat for sensor to be measured is installed and the pressure generator being communicated with sensor test seat by intake line, it is characterized in that: described proving installation also comprises the controller of the testing result for showing sensor to be measured, controling appliance is useful on the signal input part being communicated with the signal output part of sensor to be measured, described intake line is serially connected with electromagnetic switch valve, the signal output part control linkage of the signal input part of electromagnetic switch valve and controller.
2. proving installation according to claim 1, is characterized in that: on described intake line, be also serially connected with pressure regulator valve, described electromagnetic switch valve is arranged between described pressure generator and pressure regulator valve.
3. proving installation according to claim 2, is characterized in that: between described electromagnetic valve switch valve and pressure regulator valve, be also provided with tensimeter.
4. according to the proving installation described in claim 1 or 2 or 3, it is characterized in that: described sensor test seat have be communicated with described intake line for holding the inner chamber of high-pressure fluid, on sensor test seat, offer more than onely for the mounting hole of sensor to be measured is installed, mounting hole is communicated with described inner chamber.
5. proving installation according to claim 4, is characterized in that: on described sensor test seat, be connected with pressure relief pipe, be serially connected with stop valve on pressure relief pipe.
6. proving installation according to claim 5, it is characterized in that: described proving installation also comprises the electronics indicating circuit for being connected with the signal output part of sensor to be measured, on electronics indicating circuit, be serially connected with the pilot lamp that is used to indicate the pressure size being applied on sensor to be measured.
7. according to the proving installation described in claim 1 or 2 or 3, it is characterized in that: described test unit comprises worktable, described sensor test seat supports is arranged on described worktable, is covered with protective cover on worktable.
8. proving installation according to claim 7, is characterized in that: on described worktable, be also provided with the warning lamp for lighting when testing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320688996.0U CN203572617U (en) | 2013-11-04 | 2013-11-04 | Testing device for inspecting sensor for measuring liquid pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320688996.0U CN203572617U (en) | 2013-11-04 | 2013-11-04 | Testing device for inspecting sensor for measuring liquid pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203572617U true CN203572617U (en) | 2014-04-30 |
Family
ID=50540344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320688996.0U Expired - Lifetime CN203572617U (en) | 2013-11-04 | 2013-11-04 | Testing device for inspecting sensor for measuring liquid pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203572617U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644266A (en) * | 2016-12-23 | 2017-05-10 | 中国南方航空工业(集团)有限公司 | Pressure sensor detection equipment |
| CN110849538A (en) * | 2019-11-27 | 2020-02-28 | 中国航空工业集团公司北京长城计量测试技术研究所 | Multi-channel parallel output automatic standard pressure generator based on different pressure ranges |
| CN111442876A (en) * | 2020-01-03 | 2020-07-24 | 武汉钢铁有限公司 | Intelligent transmitter checking system |
-
2013
- 2013-11-04 CN CN201320688996.0U patent/CN203572617U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644266A (en) * | 2016-12-23 | 2017-05-10 | 中国南方航空工业(集团)有限公司 | Pressure sensor detection equipment |
| CN110849538A (en) * | 2019-11-27 | 2020-02-28 | 中国航空工业集团公司北京长城计量测试技术研究所 | Multi-channel parallel output automatic standard pressure generator based on different pressure ranges |
| CN111442876A (en) * | 2020-01-03 | 2020-07-24 | 武汉钢铁有限公司 | Intelligent transmitter checking system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201732147U (en) | General checking device for gas relay | |
| WO2018041257A1 (en) | Hydraulic system of device for testing comprehensive performance of high-pressure gear flowmeter and testing method | |
| MX2008009276A (en) | Versatile emergency shutdown device controller. | |
| US9429493B2 (en) | Manifold assembly for a portable leak tester | |
| CN203572617U (en) | Testing device for inspecting sensor for measuring liquid pressure | |
| CN201707178U (en) | Sealing test device for instruments and valves | |
| CN104481971A (en) | Torque-type hydraulic pump and hydraulic motor power recovery test platform | |
| CN209069746U (en) | A kind of high precision low pressure hydraulic pressure test platform | |
| CN104533883A (en) | Hydraulic diagnostic device simulating fault of hydraulic system | |
| CN110044557A (en) | A kind of airtight detection hydraulic press of monolithic bipolar plate | |
| CN105509978A (en) | Testing device and testing method for embedded-mounted check valve | |
| CN104482995A (en) | Fuel consumption instrument calibration detecting device | |
| CN204403051U (en) | A kind of torsion type oil hydraulic pump and oil hydraulic motor Power Recovery test platform | |
| CN204373845U (en) | Tensimeter dynamic pressure fatigue test device | |
| CN111693210B (en) | Siphon type negative pressure alternating test method | |
| CN205003039U (en) | Test for non -transmission of internal explosion system | |
| CN203786104U (en) | Automatic calibrating device for catalytic combustion type methane sensor | |
| CN104329246A (en) | Test table used for detecting working performance of oil pump of intelligent drilling tool | |
| CN203688180U (en) | Automatic blowby and leakage measuring apparatus for valve | |
| CN104535260A (en) | Dynamic pressure fatigue testing device for pressure gage | |
| CN203688173U (en) | Seepage tester of liquid filter | |
| CN207197739U (en) | A kind of equipment of micro- leak detection | |
| CN101487770B (en) | Functional tester for safety interlock device of fast opening type pressure container | |
| CN111237291A (en) | Performance test stand for phosphate oil hydraulic oil tank | |
| CN201935712U (en) | Device for simply measuring gas-oil ratio |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 450001 Henan city of Zhengzhou province high tech Industrial Development Zone Long Chun Road No. 10 Patentee after: GLTECH Co.,Ltd. Address before: 450001 Henan city of Zhengzhou province high tech Industrial Development Zone Long Chun Road No. 10 Patentee before: ZHEJIANG GUANGLI TECH DEVELOPMENT Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140430 |
|
| CX01 | Expiry of patent term |