CN106525334A - Automatic calibrating device for aneroid barometers - Google Patents
Automatic calibrating device for aneroid barometers Download PDFInfo
- Publication number
- CN106525334A CN106525334A CN201610992322.8A CN201610992322A CN106525334A CN 106525334 A CN106525334 A CN 106525334A CN 201610992322 A CN201610992322 A CN 201610992322A CN 106525334 A CN106525334 A CN 106525334A
- Authority
- CN
- China
- Prior art keywords
- calibrating
- case
- motor
- camera head
- temperature coefficient
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L27/00—Testing or calibrating of apparatus for measuring fluid pressure
- G01L27/002—Calibrating, i.e. establishing true relation between transducer output value and value to be measured, zeroing, linearising or span error determination
- G01L27/005—Apparatus for calibrating pressure sensors
Abstract
The invention relates to an automatic calibrating device for aneroid barometers. The automatic calibrating device comprises a calibrating box including a temperature coefficient calibrating box and an indication calibrating box. Upper cover plates of the temperature coefficient calibrating box and the indication calibrating box are transparent cover plates. Door-shaped frames are arranged above the calibrating box. A sliding rack sliding along horizontal frames of the door-shaped frames are arranged between the two door-shaped frames; and the sliding rack is driven by motors I arranged on the door-shaped frames. A camera device I and a camera device II that are used for shooting reading numbers of aneroid barometers arranged inside the temperature coefficient calibrating box and the indication calibrating box through the transparent cover plates are arranged at the bottom of the sliding rack and can slide along the sliding rack. The camera device I, the camera device II, the motor I, a motor II, a motor III, the temperature coefficient calibrating box and the indication calibrating box are in control connection with a data processing terminal. Using the automatic calibrating device, automatic calibration of aneroid barometers is realized. Compared with the traditional calibration way, the provided automatic calibrating device enables the labor intensity of the calibration staff to be reduced substantially.
Description
Technical field
The present invention relates to air gauge Calibration Technology field, and in particular to a kind of aneroid barometer automatic calibrator.
Background technology
Aneroid barometer is, by the elastic deformation produced by atmospheric pressure effect, to be converted to by transmission mechanism using bellows
Corresponding indicators turn amount is measuring atmospheric pressure.
The calibrating project of aneroid barometer has temperature coefficient calibrating and value testing.
Wherein, the calibrating of temperature coefficient is that aneroid barometer is put in temperature coefficient calibrating case, and temperature coefficient calibrating exists
（0-5）°C and（25-35）Any point in °C two temperature ranges is carried out（That is low and high temperature point）, the priority of two temperatures point is suitable
Sequence can be arbitrarily selected, but the temperature difference have to be larger than 20 °C；Aneroid barometer air pressure is read and recorded under the conditions of low and high temperature degree point to show
Value.
The aneroid barometer of Jing temperatures coefficient calibrating can carry out value testing, before value testing, the temperature of aneroid barometer
Balance must be reached with room temperature, aneroid barometer is put in value testing case, by high pressure to low pressure, then by low pressure to high pressure
（It is sequentially reversible）Change pressure, centre can not continuously must be paused, keep trend constant, the stabilization time that wherein each calibrating is put is not
Less than 5min, the air pressure indicating value of aneroid barometer after stablizing, is read and records.
Under traditional calibrating mode, testing person must not be left in whole qualification process, need to read indicating value at any time
And record, which greatly increases the labour intensity of testing person.
The content of the invention
The present invention is directed to the problems referred to above, special to provide a kind of aneroid barometer automatic calibrator.
The present invention is achieved through the following technical solutions：
A kind of aneroid barometer automatic calibrator, which has calibrating case, in place of feature is：Calibrating case includes the temperature inside the box
The adjustable value testing case of air pressure in adjustable temperature coefficient calibrating case and case, temperature coefficient calibrating case is with value testing case side by side
Arrange, in temperature coefficient calibrating case and value testing case, be equipped with aneroid barometer, temperature coefficient calibrating case and value testing case
Top cover plate be transparent cover plate, examine and determine the door type frame that has positioned at both sides and be correspondingly arranged above case, between two door type frames, be provided with edge
The travelling carriage that the crossbearer of door type frame slides, travelling carriage are driven by the motor I on door type frame, and the bottom of travelling carriage is provided with can edge
Travelling carriage slides and examines and determine upper box part transparent cover plate to taking the photograph that the reading of internal aneroid barometer is taken pictures through temperature coefficient
As device I, can slide along travelling carriage and the reading of internal aneroid barometer be carried out through value testing upper box part transparent cover plate
The camera head II taken pictures, camera head I, camera head II are by the motor II on travelling carriage, III driving of motor respectively
Realize what is slided along travelling carriage；Camera head I, camera head II, motor I, motor II, motor III, temperature coefficient calibrating case and
Value testing case is connected with the control of data processing end respectively；Automatically control according to the temperature control parameter for pre-entering at data processing end
Temperature coefficient processed examine and determine the temperature inside the box change, and under low and high temperature degree point according to the trajectory parameters controlled motor I for pre-entering,
II action of motor makes camera head I be in temperature coefficient calibrating case successively directly over each aneroid barometer and be taken pictures；At data
Reason end automatically controls air pressure value changes in value testing case according to the air pressure control parameter for pre-entering, and presses under each calibrating point
Make camera head II successively in temperature coefficient calibrating case according to the trajectory parameters controlled motor I, III action of motor for pre-entering
Directly over each aneroid barometer and take pictures；Data processing end receive camera head I, camera head II take pictures pictorial information and divide
It is not stored in memory cell I and memory cell II, this makes verification worker without the need for reading indicating value at any time and recording, and alleviates verification worker
Labour intensity.
Used as more excellent scheme, data processing end also has for recognizing the pointer captured by camera head I, camera head II
The automatic recognition system of the meter reading in formula Instrument image；Automatic recognition system obtains memory cell I and storage respectively successively
Picture in unit II simultaneously extracts corresponding dial plate image, the scale area in automatic recognition system identification dial plate image, knows automatically
Other system is rejected the middle section in dial plate image and carries out binary conversion treatment to the part between middle section and scale area, from
Dynamic identifying system determines pointer direction in binary image, and automatic recognition system determines meter reading according to pointer direction, from
Dynamic identifying system is stored in the meter reading for being recognized in memory cell III and memory cell IV respectively successively；Data processing end
The meter reading data transferred in memory cell III and memory cell IV carry out statistical management.
The beneficial effects of the present invention is：Which can be recorded to aneroid barometer reading under each calibrating point automatically, and
Statistical management can be carried out to the data for recording, this realizes the automatic Verification of aneroid barometer, dramatically reduces testing person
Labour intensity.
Description of the drawings
The present invention is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the driving structure schematic diagram of travelling carriage or camera head.
Fig. 3 is the theory diagram of the present invention.
In figure, 1 calibrating case, 2 temperatures coefficient calibrating case, 3 value testing casees, 4 aneroid barometers, 5 cover plates, 6 door type frames, 6-
1 crossbearer, 7 travelling carriages, 8 motors I, 9-1 camera heads I, 9-2 camera heads II, 10-1 motors II, 10-2 motors III, 11 data
Process end.
Specific embodiment
Embodiment 1：
As shown in figure 1, the embodiment has calibrating case 1, calibrating case includes the adjustable temperature coefficient of the temperature inside the box and examines and determine 2 He of case
The adjustable value testing case 3 of air pressure in case, temperature coefficient calibrating case be arranged side by side with value testing case, temperature coefficient calibrating case and
Aneroid barometer 4 is equipped with value testing case, temperature coefficient calibrating case is transparency cover with the top cover plate 5 of value testing case
Plate, examines and determine the door type frame 6 for having positioned at both sides and being correspondingly arranged above case, is provided with and slides along the crossbearer 6-1 of door type frame between two door type frames
Dynamic travelling carriage 7, travelling carriage are driven by the motor I 8 on door type frame, and the bottom of travelling carriage is provided with can slide simultaneously along travelling carriage
Through temperature coefficient examine and determine upper box part transparent cover plate the reading of internal aneroid barometer is taken pictures I 9-1 of camera head, can
The shooting slided along travelling carriage and the reading of internal aneroid barometer is taken pictures through value testing upper box part transparent cover plate
II 9-2 of device, camera head I, camera head II are to drive realization along sliding by the motor II on travelling carriage, motor III respectively
What moving frame was slided；Camera head I, camera head II, motor I, motor II, motor III, temperature coefficient calibrating case and value testing
Case is connected with the control of data processing end 11 respectively；Data processing end is according to the temperature control parameter A.T.C for pre-entering
Coefficient examines and determine the temperature inside the box change, and according to the trajectory parameters controlled motor I, motor II for pre-entering under low and high temperature degree point
Action makes camera head I be in temperature coefficient calibrating case successively directly over each aneroid barometer and be taken pictures；Press at data processing end
Air pressure value changes in value testing case are automatically controlled according to the air pressure control parameter for pre-entering, and according to advance under each calibrating point
The trajectory parameters controlled motor I of input, III action of motor make camera head II successively in each sylphon in temperature coefficient calibrating case
Directly over air gauge and take pictures；Data processing end receives camera head I, taking pictures for camera head II and pictorial information stores respectively
In memory cell I and memory cell II.
Data processing end also has for recognizing in the image of gauge with pointer captured by camera head I, camera head II
Meter reading automatic recognition system；The automatic recognition system is obtained in memory cell I and memory cell II respectively successively
Picture simultaneously extracts corresponding dial plate image, and the scale area in automatic recognition system identification dial plate image, automatic recognition system are rejected
Middle section in dial plate image simultaneously carries out binary conversion treatment, automatic recognition system to the part between middle section and scale area
Pointer direction is determined in binary image, automatic recognition system determines meter reading according to pointer direction, by memory cell I
The meter reading that identified of picture of taking pictures be stored in memory cell III, by memory cell II in picture of taking pictures recognized
The meter reading for going out is stored in memory cell IV, and the instrument that data processing end is transferred in memory cell III and memory cell IV is read
Number data carry out statistical management.
The driving structure of travelling carriage and camera head as shown in Fig. 2 travelling carriage and the transmission belt fixation driven by motor I with
Realize that slide rail slides along crossbearer；Camera head I and camera head II are solid with the transmission belt driven by motor II, motor III respectively
It is fixed to be slided along travelling carriage bottom slide rail with realization.
Embodiment 2：
Embodiment 2（It is not shown）It is, on the basis of embodiment 1, also to examine and determine case 2 located at temperature coefficient and value testing case 3 connects
The three door type frame at place is connect, the crossbearer slip along door type frame between the door type frame of the three door type frame and calibrating case both sides, is respectively equipped with
Travelling carriage, be additionally provided with two motors I with drive respectively two travelling carriages move, realize camera head I and camera head II in longitudinal direction
（The crossbearer direction of door type frame）On independently control, accomplish non-interference.
Claims (4)
1. a kind of aneroid barometer automatic calibrator, which has calibrating case（1）, it is characterised by：The calibrating case includes case
The adjustable temperature coefficient of interior temperature examines and determine case（2）With the adjustable value testing case of air pressure in case（3）, the temperature coefficient calibrating case
It is arranged side by side with value testing case, in the temperature coefficient calibrating case and value testing case, is equipped with aneroid barometer（4）, it is described
Temperature coefficient examines and determine the top cover plate of case and value testing case（5）For transparent cover plate, have above the calibrating case positioned at both sides and
The door type frame being correspondingly arranged（6）, between two door type frames, it is provided with the crossbearer along door type frame（6-1）The travelling carriage of slip（7）, the slip
Frame is by the motor I on door type frame（8）Drive, the bottom of the travelling carriage is provided with can slide and pass through temperature system along travelling carriage
The camera head I taken pictures to the reading of internal aneroid barometer by number calibrating upper box part transparent cover plate（9-1）, can be along travelling carriage
The camera head II for sliding and the reading of internal aneroid barometer being taken pictures through value testing upper box part transparent cover plate（9-
2）, the camera head I, camera head II are to drive realization along slip by the motor II on travelling carriage, motor III respectively
What frame slided；The camera head I, camera head II, motor I, motor II, motor III, temperature coefficient calibrating case and indicating value inspection
Determine case respectively with data processing end（11）Control connection；The data processing end is automatic according to the temperature control parameter for pre-entering
Control temperature coefficient examines and determine the temperature inside the box change, and according to the trajectory parameters controlled motor for pre-entering under low and high temperature degree point
Ith, II action of motor makes camera head I be in temperature coefficient calibrating case successively directly over each aneroid barometer and be taken pictures；It is described
Data processing end automatically controls air pressure value changes in value testing case according to the air pressure control parameter for pre-entering, and in each calibrating
Camera head II is made to examine in temperature coefficient successively according to the trajectory parameters controlled motor I, III action of motor that pre-enter under point
Determine in case directly over each aneroid barometer and take pictures；The data processing end receives camera head I, the figure of taking pictures of camera head II
Piece information is simultaneously separately stored in memory cell I and memory cell II.
2. aneroid barometer automatic calibrator according to claim 1, it is characterised in that：The data processing end has to be used
The automatic recognition system of the meter reading in the image of gauge with pointer captured by identification camera head I, camera head II；Institute
State automatic recognition system to obtain memory cell I and the picture in memory cell II respectively successively and extract corresponding dial plate image,
The central area in dial plate image is rejected in scale area in the automatic recognition system identification dial plate image, the automatic recognition system
Domain simultaneously carries out binary conversion treatment to the part between middle section and scale area, and the automatic recognition system is in binary image
Determine pointer direction, the automatic recognition system determines meter reading according to pointer direction, and the automatic recognition system will be known
Other meter reading is stored in memory cell III and memory cell IV successively, and III He of memory cell is transferred at the data processing end
Meter reading data in memory cell IV carry out statistical management.
3. aneroid barometer automatic calibrator according to claim 1, it is characterised in that：The travelling carriage with by motor I
The transmission belt fixation of driving is slided with realizing along crossbearer slide rail.
4. aneroid barometer automatic calibrator according to claim 1, it is characterised in that：The camera head I and shooting
Device II respectively with the transmission belt fixation driven by motor II, motor III with realize along travelling carriage bottom slide rail slide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610992322.8A CN106525334A (en) | 2016-11-11 | 2016-11-11 | Automatic calibrating device for aneroid barometers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610992322.8A CN106525334A (en) | 2016-11-11 | 2016-11-11 | Automatic calibrating device for aneroid barometers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106525334A true CN106525334A (en) | 2017-03-22 |
Family
ID=58351066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610992322.8A Pending CN106525334A (en) | 2016-11-11 | 2016-11-11 | Automatic calibrating device for aneroid barometers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106525334A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110763398A (en) * | 2019-10-14 | 2020-02-07 | 湖南省计量检测研究院 | Correction method of empty box barometer |
| CN113063545A (en) * | 2021-04-26 | 2021-07-02 | 广州计量检测技术研究院 | Full-automatic calibrating installation of air-pressure gauge of empty box |
| CN117686140A (en) * | 2024-02-02 | 2024-03-12 | 江西省气象探测中心 | Method and system for evaluating measurement uncertainty of empty box barometer |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1789923A (en) * | 2004-12-16 | 2006-06-21 | 赵建洋 | Automatic reading method for analog meter |
| CN2800239Y (en) * | 2004-12-29 | 2006-07-26 | 上海电气自动化设计研究所有限公司 | Full-automatic bell type gas flow series connection detector employing image recognition technology |
| CN101241018A (en) * | 2008-03-05 | 2008-08-13 | 曾浩文 | Indicating instrument full-automatic test method based on computer visual sense technology |
| CN101324452A (en) * | 2008-07-22 | 2008-12-17 | 中国计量学院 | Method for automatically detecting pointer instrument |
| CN101828906A (en) * | 2010-05-05 | 2010-09-15 | 中国计量学院 | Automatic verifying system of multigroove electronic thermometer |
| CN201993202U (en) * | 2011-03-10 | 2011-09-28 | 陕西创威科技有限公司 | Calibrating device for pressure sensor or transmitter |
| CN202693157U (en) * | 2012-07-20 | 2013-01-23 | 云南电力试验研究院（集团）有限公司电力研究院 | Full-automatic detecting system for pressure type thermometer |
| CN102998026A (en) * | 2012-12-11 | 2013-03-27 | 湖南省计量检测研究院 | Automatic detection device for liquid glass thermometers |
| CN103278263A (en) * | 2013-05-03 | 2013-09-04 | 国家电网公司 | Intelligent verification system of pressure type thermometers |
| CN105160969A (en) * | 2015-08-28 | 2015-12-16 | 国网山东胶州市供电公司 | Multifunctional intelligent metrological verification actual operation simulation system |
| CN105809168A (en) * | 2015-12-23 | 2016-07-27 | 佛山市质量计量监督检测中心 | Image fuzzy identification method of standard constant temperature bath glass thermometer |
-
2016
- 2016-11-11 CN CN201610992322.8A patent/CN106525334A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1789923A (en) * | 2004-12-16 | 2006-06-21 | 赵建洋 | Automatic reading method for analog meter |
| CN2800239Y (en) * | 2004-12-29 | 2006-07-26 | 上海电气自动化设计研究所有限公司 | Full-automatic bell type gas flow series connection detector employing image recognition technology |
| CN101241018A (en) * | 2008-03-05 | 2008-08-13 | 曾浩文 | Indicating instrument full-automatic test method based on computer visual sense technology |
| CN101324452A (en) * | 2008-07-22 | 2008-12-17 | 中国计量学院 | Method for automatically detecting pointer instrument |
| CN101828906A (en) * | 2010-05-05 | 2010-09-15 | 中国计量学院 | Automatic verifying system of multigroove electronic thermometer |
| CN201993202U (en) * | 2011-03-10 | 2011-09-28 | 陕西创威科技有限公司 | Calibrating device for pressure sensor or transmitter |
| CN202693157U (en) * | 2012-07-20 | 2013-01-23 | 云南电力试验研究院（集团）有限公司电力研究院 | Full-automatic detecting system for pressure type thermometer |
| CN102998026A (en) * | 2012-12-11 | 2013-03-27 | 湖南省计量检测研究院 | Automatic detection device for liquid glass thermometers |
| CN103278263A (en) * | 2013-05-03 | 2013-09-04 | 国家电网公司 | Intelligent verification system of pressure type thermometers |
| CN105160969A (en) * | 2015-08-28 | 2015-12-16 | 国网山东胶州市供电公司 | Multifunctional intelligent metrological verification actual operation simulation system |
| CN105809168A (en) * | 2015-12-23 | 2016-07-27 | 佛山市质量计量监督检测中心 | Image fuzzy identification method of standard constant temperature bath glass thermometer |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110763398A (en) * | 2019-10-14 | 2020-02-07 | 湖南省计量检测研究院 | Correction method of empty box barometer |
| CN113063545A (en) * | 2021-04-26 | 2021-07-02 | 广州计量检测技术研究院 | Full-automatic calibrating installation of air-pressure gauge of empty box |
| CN117686140A (en) * | 2024-02-02 | 2024-03-12 | 江西省气象探测中心 | Method and system for evaluating measurement uncertainty of empty box barometer |
| CN117686140B (en) * | 2024-02-02 | 2024-04-05 | 江西省气象探测中心 | Method and system for evaluating measurement uncertainty of empty box barometer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106525334A (en) | Automatic calibrating device for aneroid barometers | |
| CN105865723B (en) | Leakage inspection non-uniform correction method and gas leak detection apparatus | |
| US3970074A (en) | Method of and apparatus for making medical thermographs | |
| CN101210995A (en) | Photographing apparatus and method | |
| US20060274960A1 (en) | Face image recording apparatus, image sensing apparatus and methods of controlling same | |
| US20130170614A1 (en) | Bone mineral density analysis method, bone mineral density analysis apparatus, and recording medium | |
| CN103391398A (en) | Image reading out control apparatus, image reading out control method thereof | |
| JP6261430B2 (en) | Imaging apparatus and image processing system | |
| JPH09159529A (en) | Color sorting device | |
| EP2325656B1 (en) | Device and method for measuring vertical acceleration of pantograph by image processing | |
| CN106659370A (en) | Capsule endoscope, endoscope system, and capsule endoscope operation method | |
| CN104620075A (en) | Device and method for measuring distances of multiple subjects | |
| US20180031425A1 (en) | Heat source detection device and heat source detection method | |
| US11019318B2 (en) | Methods to compensate manufacturing variations and design imperfections in a display device | |
| JP2020003801A (en) | Method of compensating variation in manufacturing display device and defect in designing | |
| CN108375420B (en) | Correction method based on segmented data and blocking piece data | |
| CN116630327B (en) | Boiler state abnormity monitoring system based on thermodynamic diagram | |
| CN106384086A (en) | Dual-camera face identification method and system | |
| CN105157847A (en) | Online accurate temperature measurement method and online accurate temperature measurement system for electric power equipment | |
| CN108344511B (en) | Emissivity control device and emissivity control method | |
| CN102928437A (en) | Surface quality recording system for metal coiled straps | |
| CN113029347A (en) | Alarm configuration device and alarm configuration method | |
| CN208291369U (en) | A kind of novel detection trolley | |
| CN210810998U (en) | Intelligent physical examination instrument | |
| CN102368946A (en) | Pupil covering state detection device, and in-vehicle camera provided therewith |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170322 |
|
| RJ01 | Rejection of invention patent application after publication |