CN110231109A - Chain-plate type efficent electronic clinical thermometer error of indication calibrating installation and method - Google Patents
Chain-plate type efficent electronic clinical thermometer error of indication calibrating installation and method Download PDFInfo
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- CN110231109A CN110231109A CN201910516119.7A CN201910516119A CN110231109A CN 110231109 A CN110231109 A CN 110231109A CN 201910516119 A CN201910516119 A CN 201910516119A CN 110231109 A CN110231109 A CN 110231109A
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- 238000009434 installation Methods 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 97
- 238000001514 detection method Methods 0.000 claims abstract description 38
- 230000000007 visual effect Effects 0.000 claims abstract description 19
- 210000002421 cell wall Anatomy 0.000 claims abstract description 12
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 60
- 238000012360 testing method Methods 0.000 claims description 56
- 230000033001 locomotion Effects 0.000 claims description 52
- 229910052697 platinum Inorganic materials 0.000 claims description 30
- 238000007689 inspection Methods 0.000 claims description 25
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 15
- 229910052782 aluminium Inorganic materials 0.000 claims description 15
- 239000004411 aluminium Substances 0.000 claims description 15
- 230000036760 body temperature Effects 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 230000011218 segmentation Effects 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- 230000005484 gravity Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 3
- 238000012797 qualification Methods 0.000 claims description 3
- 238000011897 real-time detection Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 238000012795 verification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
- G01K1/146—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations arrangements for moving thermometers to or from a measuring position
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K15/00—Testing or calibrating of thermometers
- G01K15/007—Testing
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- Testing Of Individual Semiconductor Devices (AREA)
Abstract
The invention discloses a kind of chain-plate type efficent electronic clinical thermometer error of indication calibrating installation and methods.Transporting bracket mechanism, two visual indication detection devices, thermostatic water bath, clinical thermometer, which are loaded, including two clinical thermometers loads bracket, lifting part, undercarriage component and commutation component；Two clinical thermometers load and are disposed with thermostatic water bath and visual indication detection device between transporting bracket mechanism；Clinical thermometer loads bracket and is mounted in clinical thermometer loading transporting bracket mechanism, and the lifting part for being equipped in transporting bracket mechanism and moving in and out thermostatic water bath for clinical thermometer loading bracket is loaded close to the clinical thermometer of thermostatic water bath cell wall；The side turning downside that clinical thermometer loads transporting bracket mechanism is equipped with the commutation component turned to for electronic thermometer；The other side that clinical thermometer loads transporting bracket mechanism is equipped with the undercarriage component turned to for electronic thermometer.The characteristics of present invention uses double-chain plate means of conveyance, has undercarriage, disengaging sink and circulation commutation on tested clinical thermometer simple and reliable for structure, chain plate conveyor belt operation, thermostatic water bath and visual indication detection precise control.
Description
Technical field
The present invention relates to a kind of chain-plate type efficent electronic clinical thermometer error of indication calibrating installation and methods, more particularly to one kind
Automatic calibrator and method applied to the docking of medical electronic thermometer production line.
Background technique
106644169 A of Chinese invention patent application notification number CN, authorized announcement date on May 10th, 2017, denomination of invention
" electronic thermometer automatic calibrator ", the method discloses a kind of electric body-temperatures matched with electronic thermometer production line
Automatic calibrator is counted, by design mechanical structure and applies conveyer belt, which can be improved electronic thermometer factory calibrating
The degree of automation.The device is disadvantageous in that clinical thermometer loading support Design is unreasonable, meeting when electronic thermometer enters
It is stuck on bottom plate, whole system only has a clinical thermometer and loads bracket, to the calibrating underspeed of electronic thermometer, and does not design
Undercarriage process on electronic thermometer can not be docked with electronic thermometer sound detection device, clinical thermometer sorting equipment.
Summary of the invention
In order to solve the problems, such as background technique, the invention proposes a kind of chain-plate type efficent electronic clinical thermometer indicating values
Error verification device and method can be docked with external installation device and sorting equipment, solve electronic thermometer automatically up and down
The problem of frame, and using the structure of the shared thermostatic water bath of two transport devices, improve calibrating efficiency.
The technical solution adopted by the invention is as follows:
One, a kind of chain-plate type efficent electronic clinical thermometer error of indication calibrating installation
It is delivered including the first chain-plate type electric thermometer test toter, the second chain-plate type electric thermometer test
Device, First look indicating value detection device, the second visual indication detection device, thermostatic water bath, clinical thermometer load bracket, lifting
Part, undercarriage component and commutation component；First chain-plate type electric thermometer test toter, the second chain-plate type electronic thermometer
Calibrating is with being disposed with thermostatic water bath, the first chain-plate type electric thermometer test toter, the second carrier bar between toter
Formula electric thermometer test is arranged symmetrically with toter in thermostatic water bath two sides, the first chain-plate type electric thermometer test fortune
Carry set, between the second chain-plate type electric thermometer test toter be equipped be respectively facing the first chain-plate type electronic thermometer
Calibrating toter, the First look indicating value detection device of the second chain-plate type electric thermometer test toter, second
Visual indication detection device；Clinical thermometer loads bracket and is mounted on the first chain-plate type electric thermometer test toter and second
On chain-plate type electric thermometer test toter, and transporting bracket mechanism is loaded by two clinical thermometers and drives transport, it is close
The clinical thermometer of thermostatic water bath cell wall, which loads to be equipped in transporting bracket mechanism, moves in and out thermostatted water for clinical thermometer loading bracket
The lifting part of slot；First chain-plate type electric thermometer test toter and the delivery of the second chain-plate type electric thermometer test
The commutation component turned to for electronic thermometer is installed on the downside of the side turning of device；The inspection of first chain-plate type electronic thermometer
Surely it is equipped with the other side of toter and the second chain-plate type electric thermometer test toter and is turned for electronic thermometer
To undercarriage component.
The first chain-plate type electric thermometer test toter and the second chain-plate type electric thermometer test are used
Carrier body is chain plate conveyor belt, and chain plate conveyor belt is mainly by conveyer belt and the chain board group continuously arranged along conveyer belt
At, be fixedly installed on every block of carrier bar of chain plate conveyor belt clinical thermometer load bracket.
It includes fixed link and motion bar that clinical thermometer, which loads bracket, and one end of fixed link opens up strip slot, the strip of fixed link
Slot is coupled by bolt and the threaded hole on carrier bar, and realization fixed link is fixedly connected with carrier bar；The other end of fixed link
Hinged with one end of motion bar, for the other end of motion bar towards thermostatic water bath, the other end of motion bar is fixed with installation frame, peace
The frame that frames up is provided with the mounting groove for inserting electronic thermometer and coincideing with electronic thermometer shape, mounting groove top slot ruler
Very little to be greater than mounting groove lower end notch, i.e. mounting groove top slot and electronic thermometer upper end size is coincide, mounting groove lower end notch
It coincide with electronic thermometer lower end size, mounting groove is up big and down small so that electronic thermometer is installed to support in mounting groove does not fall
Under, electronic thermometer lower part thermometric end is pierced by mounting groove；Installation frame opens up square hole in the side close to thermostatic water bath, side
Hollow out of the shape hole for electronic thermometer display screen is shown, exposes electron by square hole loaded on the electronic thermometer in through slot
The display screen of temperature meter, installation frame are equipped with guide rod in the two sides close to thermostatic water bath；First chain-plate type electric thermometer test
It is identical with toter, the second chain-plate type electric thermometer test toter structure.
Fixed link and motion bar are rod piece.Under normal condition, it is located at clinical thermometer and loads below transporting bracket mechanism, body temperature
Meter loads the fixed link of bracket and motion bar is arranged vertically；It is loaded above transporting bracket mechanism positioned at clinical thermometer, clinical thermometer loads
The fixed link and motion bar of bracket keep same straight line arrangement.The turning of transporting bracket mechanism, clinical thermometer are loaded in clinical thermometer
It loads and hingedly forms V-arrangement between the fixed link and motion bar of bracket.
The commutation component includes the reversing groove and guide pin of semicircular arc；Reversing groove is arranged in clinical thermometer and loads bracket
Close to the side semicircle turning of thermostatic water bath, the guide rod that clinical thermometer loads bracket can be inlaid in reversing groove for transport establishment,
The downside of reversing groove is arranged in guide pin, and the transition that there is the motion bar of guidance clinical thermometer loading bracket to lift on guide pin is oblique
The output end in face, intermediate incline is located at by the entrance of reversing groove.The guide pin, which is fixed on guide pin by connector, to be fixed
Part, guide pin fixing piece are fixed on clinical thermometer and load transporting bracket mechanism lower part.
Clinical thermometer loads bracket and moves at guide pin under the conveying of the downside of chain plate conveyor belt, and motion bar passes through guide pin
Enter guide rod in reversing groove entrance one end, so that motion bar is gradually transitions water by vertical placement status
Placing flat state, then along the upside of reversing groove guiding movement to chain plate conveyor belt, so that clinical thermometer loads the motion bar of bracket
It realizes and turns along reversing groove；To realize that it is sliding that clinical thermometer loads semicircular arc of the bracket under chain plate conveyor belt drive along reversing groove
Dynamic to realize turning, reversing groove is the guiding that clinical thermometer loads that bracket loads transporting bracket mechanism moved beneath to top from clinical thermometer
Mechanism and avoid clinical thermometer load bracket motion bar be flipped by gravity.
Equipped with the fixed device of standard platinum resistance on thermostatic water bath, the fixed device of standard platinum resistance includes cross bar, cross bar support
Frame, sliding block and platinum resistance, cross bar both ends are fixedly installed in the two sides side wall of thermostatic water bath by cross bar support frame support, and cross bar is flat
Row is in being movably installed with three sliding blocks moved along cross bar on the conveying direction of chain plate conveyor belt, cross bar, sliding block is along cross bar level
The installation site on cross bar is movably adjusted, each sliding block is fitted with a platinum resistance vertically, and sliding block side is equipped with and is used for
The clip of platinum resistance is blocked, thermostatic water bath is immersed for fluid temperature in detection slot in platinum resistance bottom.
Clinical thermometer loads transporting bracket mechanism and is provided with lifting part at the two sides cell wall close to thermostatic water bath, is lifted part
With the hillside shape fillet surface for guiding the motion bar of clinical thermometer loading bracket mobile, it is defeated in carrier bar that clinical thermometer loads bracket
It send in band transmission process, clinical thermometer loads bracket and makes motion bar cross constant temperature by the guidance movement of lifting part by lifting part
Sink cell wall, specially motion bar be lifted since outside thermostatic water bath slot part be lifted up by thermostatic water bath cell wall then
It drops in thermostatic water bath slot, or otherwise process.
The undercarriage component is mainly made of slideway and slideway bracket, and slideway is fixedly mounted by slideway bracket, slideway
Bracket is fixed on clinical thermometer by aluminium frame and loads below transporting bracket mechanism, and slideway is located on the downside of chain plate conveyor belt turning
Side, slideway along chain plate conveyor belt turning inclination arrangement radially downward, the entrance of slideway be located at place chain plate conveyor belt turn
Clinical thermometer at curved radial position loads at the installation frame upper port of bracket, i.e., matches along same radial direction, i.e., slideway tilts
The electronic thermometer at angle and the chain plate conveyor belt turning loads tilt angle guarantor when bracket installation frame is fallen from clinical thermometer
It holds unanimously, so that falling into slideway just from the electronic thermometer that clinical thermometer loading bracket installation frame is fallen and being slided again from slideway
It falls.
First look indicating value detection device and the second visual indication detection device are both secured to NI Vision Builder for Automated Inspection support frame
On, vision inspection apparatus includes camera, light source, the vertical height adjustment plate of camera and the vertical fixed plate of light source, NI Vision Builder for Automated Inspection
Support frame is mainly formed by aluminium column, positioned at the branch of aluminium column upper end and the bottom plate positioned at aluminium column lower end, and camera is high vertically
Degree adjustment plate is fixedly installed in the branch upper surface of NI Vision Builder for Automated Inspection support frame by right angle rack, and camera highly adjusts vertically
Camera is equipped with by camera fastening bolt on plate, the vertical fixed plate of light source is fixedly installed in the vertical height adjustment plate of camera,
The vertical fixed plate of light source is equipped with light source by light source fastening bolt.Specific implementation is tight by adjusting camera fastening bolt and light source
The elastic operating angle for adjusting camera and light source respectively of fixing bolt.
Clinical thermometer loads transporting bracket mechanism lateral surface and is equipped with one sensor of position by one sensor fixinig plate of position,
The sliding of one sensor fixinig plate of position loads in the strip groove that transporting bracket mechanism lateral surface is equipped with flush-mounted in clinical thermometer for adjusting
The position of whole one sensor of position, the electronic thermometer that the photosurface face of one sensor of position passes through lifting part lifting.
The reversing groove fixing piece is equipped in the middle position close to reversing groove by two sensor fixinig plate of position
Two sensor of position, two sensor photosensitive of position are horizontally situated in face of the quasi- installation frame by reversing groove and motion bar
Clinical thermometer loads bracket.
The camera and light source of vision inspection apparatus are arranged towards the electronic thermometer of one sensor face of position；First view
Feel the camera of indicating value detection device for shooting one sensor of position in the first chain-plate type electric thermometer test toter
The display screen of the electronic thermometer of face；The camera of second visual indication detection device is for shooting the second chain-plate type electric body-temperature
Count the display screen of the electronic thermometer of one sensor face of position in calibrating toter.
The bottom plate of the NI Vision Builder for Automated Inspection support frame circumferentially open there are three be used for mounted angle adjusting handle screw thread
Hole, by adjusting the height of tilt adjustment handwheel regulating base board and ground, so that device keeps horizontal on out-of-flatness ground；Camera
Adjusting bracket and right angle rack contact surface two sides are equipped with the strip groove being coupled with right angle rack threaded hole, camera adjustable support
It is adjusted with the height of light source adjusting bracket by strip groove and the installation site of right angle rack threaded hole.
Clinical thermometer loads transporting bracket mechanism and realizes that support is fixed by aluminium frame, is equipped with PLC, host computer on aluminium frame
And bridge for measuring temperature, bridge for measuring temperature are connect with three platinum resistance in the fixed device of standard platinum resistance, bridge for measuring temperature passes through host computer
It is connected with PLC.
The clinical thermometer loads bracket and loads transporting bracket mechanism in commutation component, thermostatic water bath, vision by clinical thermometer
Loopy moving between detection device, undercarriage component.
Two, using a kind of chain-plate type efficent electronic clinical thermometer error of indication calibration method of above-mentioned apparatus
The following steps are included:
Step 1: bridge for measuring temperature passes through the temperature of platinum resistance real-time detection thermostatic water bath, when upper computer detection to thermostatic water bath
Temperature and fluctuation and uniformity when meeting the vertification regulation requirement of electronic thermometer, host computer controls body temperature by PLC
Meter loads transporting bracket mechanism and brings into operation；
Step 2: clinical thermometer loads bracket by commutation component towards thermostatic water bath movement, and when position, two sensors detects body temperature
When meter loads bracket, PLC control chain plate conveyor belt is out of service, and electronic thermometer is pushed to clinical thermometer dress by external device (ED)
The installation frame for carrying bracket, completes the restocking of electronic thermometer, and PLC control chain plate conveyor belt continues to run；
Step 3: clinical thermometer loads bracket by thermostatic water bath towards vision inspection apparatus movement, starts electronic thermometer from constant temperature
It is lifted part outside sink slot to be lifted up the cell wall by thermostatic water bath and then drop in thermostatic water bath slot, clinical thermometer fills later
It carries bracket to slide in thermostatic water bath slot, be then moved to outside thermostatic water bath slot out of thermostatic water bath slot through lifting part guidance；
Step 4: clinical thermometer loads bracket and is moved to vision inspection apparatus, and one sensor of position detects electronic thermometer
When, camera takes pictures to electronic thermometer and passes image back host computer, and host computer is electric in image to obtaining after image procossing
Sub- clinical thermometer registration, and judge whether electronic thermometer is qualified with thermostatic water bath real time temperature according to electronic thermometer registration；
Step 5: loading bracket towards the movement of undercarriage component by the clinical thermometer of vision inspection apparatus, be loaded into clinical thermometer loading
Electronic thermometer in bracket is tilted down to load in bracket installation frame from clinical thermometer under the effect of gravity and be fallen, after falling
Electronic thermometer slides along slideway to the sorting collection device being connected with slideway.
The step 4 specifically includes the following steps:
Step 4.1: the screen position of the electronic thermometer before device operation according to one sensor face of position adjusts phase
The external trigger line of camera and transmission line are connected to host computer by the height and tilt angle of machine and light source；
Step 4.2: after one sensor of position detects electronic thermometer, host computer sends photographing signals, camera to camera
Image is uploaded to host computer after taking pictures；
Step 4.3: host computer carries out binary conversion treatment to image, converts gray images into black white image；
Step 4.4: host computer carries out region segmentation to the image after binary conversion treatment, retains electronic thermometer in image and shows
Region where being worth；
Step 4.5: host computer carries out OCR character recognition to the image after region segmentation, obtains the electric body-temperature in image
Count indicating value；
Step 4.6: the electronic thermometer indicating value obtained in step 4.5 and thermostatic water bath normal temperature numerical value are compared
Compared with obtaining the registration error of electronic thermometer and record, registration error is less than or equal to 0.1 DEG C of threshold value of electronic thermometer of calibrating
It is determined as qualification, it is on the contrary then be unqualified.
When position, two sensors detects that the installation frame of clinical thermometer loading bracket is in a horizontal position, PLC Quality Initiative
Sheet conveying belt is out of service, the wherein electric body-temperature that the photosurface face of one sensor of position passes through lifting part lifting at this time
Meter；When chain plate conveyor belt is out of service, camera completes the shooting of image, and the clinical thermometer that two sensor of position detects loads bracket
Complete electronic thermometer restocking.
Beneficial effects of the present invention:
The present invention uses double-chain plate means of conveyance, and the efficient automatic Verification for solving electronic thermometer mass production is asked
Topic.Simple and reliable for structure, chain plate conveyor belt operation, thermostatted water with undercarriage, disengaging sink and circulation commutation on tested clinical thermometer
The characteristics of slot and visual indication detection precise control.
Detailed description of the invention
Fig. 1 is general structure schematic diagram of the invention；
Fig. 2 is electronic thermometer restocking position view；
Fig. 3 is standard platinum resistance fixture structure schematic diagram；
Fig. 4 is lifting part working state schematic representation；
Fig. 5 is vision inspection apparatus structural schematic diagram；
Fig. 6 is electronic thermometer undercarriage schematic device；
Fig. 7 is overall structure top view of the invention；
Fig. 8 is the identification of electronic thermometer indicating value and error determination method flow chart.
In figure: 1: the first chain-plate type electric thermometer test toter；2: the second chain-plate type electric thermometer tests
Use toter；3: thermostatic water bath；4: First look indicating value detection device；5: the second visual indication detection devices；6: clinical thermometer
Load bracket；7: one sensor of position；9: the fixed device of standard platinum resistance；10: slideway bracket；11: slideway；12:PLC；13: surveying
Warm electric bridge；14: host computer；15: fixed link；16: motion bar；17: guide rod；18: electronic thermometer；19: guide pin；20: even
Fitting；21: guide pin fixing piece；22: carrier bar；23: two sensor of position；24: two sensor fixinig plate of position；25: commutation
Slot fixing piece；26: reversing groove；27: cross bar support frame；29: sliding block；30: platinum resistance；31: cross bar；32: clip；33: lifting
Part；34: bottom plate；35: tilt adjustment handwheel；36: branch；37: right angle rack；38: the vertical height adjustment plate of camera；39: light source
Vertical fixed plate；40: light source；41: camera；44: light source fastening bolt；47: camera fastening bolt；48: one sensor of position is solid
Stator；50: thermostatic water bath median plane.
Specific embodiment
Below in conjunction with drawings and examples, the invention will be further described.
As shown in Figure 1, the present invention includes the first chain-plate type electric thermometer test toter 1, the second chain-plate type electricity
Sub- thermometer test toter 2, First look indicating value detection device 4, the second visual indication detection device 5, thermostatic water bath
3, clinical thermometer loads bracket 6, lifting part 33, undercarriage component and commutation component；The delivery of first chain-plate type electric thermometer test
Device 1, the second chain-plate type electric thermometer test are with being disposed with thermostatic water bath 3, the first chain-plate type electron between toter 2
Temperature meter calibrating toter 1, the second chain-plate type electric thermometer test are with toter 2 in the symmetrical cloth in 3 two sides of thermostatic water bath
Set, the first chain-plate type electric thermometer test toter 1, the second chain-plate type electric thermometer test with toter 2 it
Between be equipped be respectively facing the first chain-plate type electric thermometer test toter 1, the second chain-plate type electric thermometer test use
First look indicating value detection device 4, the second visual indication detection device 5 of toter 2；Clinical thermometer loads bracket 6 and is mounted on
On first chain-plate type electric thermometer test toter 1 and the second chain-plate type electric thermometer test toter 2, and
Transporting bracket mechanism 1,2 is loaded by two clinical thermometers and drives transport, and the clinical thermometer close to 3 cell wall of thermostatic water bath loads transporting bracket
It is equipped in mechanism and loads the lifting part 33 that bracket 6 moves in and out thermostatic water bath 3 for clinical thermometer；First chain-plate type electron
Installation on the downside of the side turning of temperature meter calibrating toter 1 and the second chain-plate type electric thermometer test toter 2
There is the commutation component turned to for electronic thermometer；First chain-plate type electric thermometer test toter 1 and the second carrier bar
The other side of formula electric thermometer test toter 2 is equipped with the undercarriage component turned to for electronic thermometer.
As shown in Fig. 2, commutation component includes the reversing groove 26 and guide pin 19 of semicircular arc；Reversing groove 26 is arranged in body
Temperature meter loads transporting bracket mechanism close to the side semicircle turning of thermostatic water bath 3, and the guide rod 17 that clinical thermometer loads bracket 6 can
It is inlaid in reversing groove 26, the downside of reversing groove 26 is arranged in guide pin 19, and there is guidance clinical thermometer to load branch on guide pin 19
The output end of the intermediate incline that the motion bar 16 of frame 6 lifts, intermediate incline is located at by the entrance of reversing groove 26.
Clinical thermometer loads bracket 6 and moves at guide pin 19 under the conveying of the downside of chain plate conveyor belt, and motion bar 16 passes through
Guide pin 19 enters guide rod 17 in 26 entrance one end of reversing groove, so that motion bar 16 by placing shape vertically
State is gradually transitions horizontal positioned state, then along 26 guiding movement of reversing groove to the upside of chain plate conveyor belt, so that clinical thermometer
The motion bar 16 for loading bracket 6 is realized along reversing groove 26 turns；It is driven to realize that clinical thermometer loads bracket 6 in chain plate conveyor belt
Turning is realized in the lower semicircular arc sliding along reversing groove 26, and reversing groove 26 loads bracket 6 for clinical thermometer and loads bracket from clinical thermometer
Transport establishment's moved beneath to top guiding mechanism and avoid clinical thermometer load bracket 6 motion bar 16 occurred by gravity
Overturning.
As shown in figure 3, any two points temperature difference is no more than 0.01 DEG C in the calibration operation region of thermostatic water bath 3, temperature fluctuation
No more than ± 0.01 DEG C/10min, equipped with the fixed device 9 of standard platinum resistance on thermostatic water bath 3, the fixed device 9 of standard platinum resistance is wrapped
Cross bar 31, cross bar support frame 27, sliding block 29 and platinum resistance 30 are included, 31 both ends of cross bar pass through the fixed peace of the support of cross bar support frame 27
Two sides side wall loaded on thermostatic water bath 3, cross bar 31 are parallel to the conveying direction of chain plate conveyor belt, are movably installed with three on cross bar 31
A sliding block 29 moved along cross bar 31, sliding block 29 adjust the installation site on cross bar 31 along cross bar 31 with moving horizontally, each
Sliding block 29 is fitted with a platinum resistance 30 vertically, and 29 side of sliding block is equipped with the clip 32 for blocking platinum resistance 30, platinum resistance
Thermostatic water bath 3 is immersed for fluid temperature in detection slot in 30 bottoms.
As shown in figure 4, clinical thermometer, which loads transporting bracket mechanism, is provided with lift at the two sides cell wall close to thermostatic water bath 3
Part 33 is risen, lifting part 33 has the hillside shape fillet surface of the movement of motion bar 16 for guiding clinical thermometer to load bracket 6, body temperature
Meter loads bracket 6 in chain plate conveyor belt transmission process, and clinical thermometer loads bracket 6 and by lifting part 33 motion bar 16 passed through
3 cell wall of thermostatic water bath is crossed in the guidance movement of lifting part 33, is specially moved to right side lifting part when clinical thermometer loads bracket 6
33, the motion bar 16 that clinical thermometer loads bracket 6 lifts certain angle in the case where lifting part 33 acts on, and makes to be loaded in clinical thermometer loading branch
18 lower end of electronic thermometer in frame 6 is higher than 3 edge of thermostatic water bath, and electronic thermometer 18 enters thermostatic water bath 3, in thermostatic water bath
After sliding a period of time in 3, clinical thermometer loads bracket 6 and is moved to left side lifting part 33, and clinical thermometer loads the motion bar 16 of bracket 6
Certain angle is lifted in the case where lifting part 33 acts on, is higher than 18 lower end of electronic thermometer being loaded in clinical thermometer loading bracket 6
3 edge of thermostatic water bath, electronic thermometer 18 leave thermostatic water bath 3.
As shown in figure 5, it includes fixed link 15 and motion bar 16 that clinical thermometer, which loads bracket 6, one end of fixed link 15 opens up item
The strip slot of shape slot, fixed link 15 is coupled by bolt and the threaded hole on carrier bar 22, realizes fixed link 15 and carrier bar 22
Be fixedly connected；The other end of fixed link 15 and one end of motion bar 16 are hinged, and the other end of motion bar 16 is towards thermostatic water bath
3, the other end of motion bar 16 is fixed with installation frame, and installation frame is provided with for inserting electronic thermometer 18 and and electron
The identical mounting groove of temperature 18 shapes of meter, mounting groove top slot size are greater than mounting groove lower end notch, i.e. mounting groove top slot
It coincide with 18 upper end size of electronic thermometer, mounting groove lower end notch and 18 lower end size of electronic thermometer are coincide, on mounting groove
Small so that electronic thermometer 18 is installed to support in mounting groove does not fall under big, 18 lower part thermometric end of electronic thermometer is pierced by peace
Tankage；Installation frame opens up square hole in the side close to thermostatic water bath 3, and square hole is engraved for 18 display screen of electronic thermometer
Sky display, the display screen of electronic thermometer 18 is exposed loaded on the electronic thermometer 18 in through slot by square hole, and installation frame exists
Guide rod 17 is equipped with close to the two sides of thermostatic water bath 3；First chain-plate type electric thermometer test toter 1, the second carrier bar
Formula electric thermometer test is identical with 2 structure of toter.
As shown in figure 5, First look indicating value detection device 4 and the second visual indication detection device 5 are both secured to machine view
On feel system support frame, vision inspection apparatus includes that camera 41, light source 40, the vertical height adjustment plate 38 of camera and light source are vertical solid
Fixed board 39, NI Vision Builder for Automated Inspection support frame is mainly by aluminium column, positioned at the branch 36 of aluminium column upper end and positioned at aluminium column lower end
Bottom plate 34 form, the vertical height adjustment plate 38 of camera is fixedly installed in NI Vision Builder for Automated Inspection support frame by right angle rack 37
36 upper surface of branch is equipped with camera 41 by camera fastening bolt 47 in the vertical height adjustment plate 38 of camera, and light source is vertical solid
Fixed board 39 is fixedly installed in the vertical height adjustment plate 38 of camera, and the vertical fixed plate 39 of light source is installed by light source fastening bolt 44
There is light source 40.
As shown in fig. 6, undercarriage component is mainly made of slideway 11 and slideway bracket 10, slideway 11 is solid by slideway bracket 10
Dingan County's dress, slideway bracket 10 are fixed on clinical thermometer by aluminium frame and load below transporting bracket mechanism, and it is defeated that slideway 11 is located at carrier bar
Send other on the downside of band turning, along the inclination arrangement radially downward at chain plate conveyor belt turning, the entrance of slideway 11 is located at slideway 11
Clinical thermometer at the chain plate conveyor belt turning radial position at place loads at the installation frame upper port of bracket 6, i.e., along same diameter
To matching, i.e., the electronic thermometer 18 of 11 tilt angle of slideway and the chain plate conveyor belt turning loads bracket 6 from clinical thermometer
Tilt angle is consistent when installation frame is fallen, so that loading the electronic thermometer that 6 installation frame of bracket is fallen from clinical thermometer
18 fall into slideway 11 and slide again from slideway 11 just.
As shown in fig. 7, with thermostatic water bath median plane 50 for benchmark face, in addition to the fixed device 9 of standard platinum resistance, the second carrier bar
Formula electric thermometer test toter 2 and the first chain-plate type electric thermometer test toter 1 are in mirror symmetry, the
Two visual indication detection devices 5 are in mirror symmetry with First look indicating value detection device 4.
Specific embodiment:
Step 1: before device brings into operation and in operational process, bridge for measuring temperature 13 passes through 30 real-time detection thermostatted water of platinum resistance
The temperature and fluctuation and uniformity of slot 3；The detection data of every platinum resistance 30 is back to host computer 14 by bridge for measuring temperature 13,
Host computer 14 is according to the real time temperature of the data acquisition thermostatic water bath 3 of platinum resistance 30 and the fluctuation of thermostatic water bath 3 and uniformly
Property, and determine whether the temperature of thermostatic water bath 3 and fluctuation and uniformity meet the vertification regulation requirement of electronic thermometer 18,
If being unsatisfactory for vertification regulation requirement, host computer 14 sends stopping signal to PLC12, until after thermostatic water bath 3 is met the requirements, on
Position machine 14 continues to run signal to PLC12 transmission.
Step 2: it is mobile towards thermostatic water bath 3 by commutation component that clinical thermometer loads bracket 6: being located at clinical thermometer and loads transporting bracket
Clinical thermometer below device loads the motion bar 16 under the guiding role of reversing arrangement of bracket 6 and is put by placing the level of being transitioned into vertically
It sets after crossing into reversing groove 26, two sensor 23 of position detects in reversing groove 26 and installation frame is in a horizontal position
Clinical thermometer when loading bracket 6, PLC12 controls that chain plate conveyor belt is out of service, and the clinical thermometer that detects loads bracket 6 and is not charged with
Then electronic thermometer 18 is pushed to by external device (ED) and loads bracket 6 in horizontal clinical thermometer by electronic thermometer 18
Installation frame, complete electronic thermometer 18 restocking, PLC12 control chain plate conveyor belt continue to run.
Step 3: it is mobile towards vision inspection apparatus by thermostatic water bath that clinical thermometer loads bracket: by the body temperature of reversing groove 26
The equal restocking of installation frame that meter loads bracket 6 has electronic thermometer 18, and clinical thermometer loads the court under chain plate conveyor belt drive of bracket 6
Thermostatic water bath 3 moves, and is moved to right side lifting part 33 when clinical thermometer loads bracket 6, clinical thermometer loads the motion bar 16 of bracket 6
Support through being lifted part 33 is lifted up, and 18 bottom end of electronic thermometer being loaded in clinical thermometer loading bracket 6 is made to be higher than constant temperature
3 marginal position of sink, the clinical thermometer by being lifted part 33 load bracket 6 and enter thermostatic water bath 3, and clinical thermometer loads bracket 6 in perseverance
After sliding a period of time in warm water tank 3, clinical thermometer loads bracket 6 and is moved to left side lifting part 33, and clinical thermometer loads the work of bracket 6
Lever 16 is moved to outside thermostatic water bath 3 by the lifting guidance of part 33 out of thermostatic water bath 3.
Step 4: the identification of electronic thermometer indicating value and error determine as shown in Figure 8:
Step 4.1: the screen position of the electronic thermometer before device operation according to one sensor of position, 7 face adjusts phase
The external trigger line of camera 41 and transmission line are connected to host computer 14 by the height and tilt angle of machine 41 and light source 40；
Step 4.2: one sensor 7 of position, which is detected, is lifted the electronic thermometer 18 that part 33 is lifted, host computer by left side
14 send photographing signals to camera 41, and image is uploaded to host computer 14 after taking pictures by camera 41；
Step 4.3: host computer 14 carries out binary conversion treatment to image, converts gray images into black white image；
Step 4.4: host computer 14 carries out region segmentation to the image after binary conversion treatment, retains electronic thermometer in image
Region where indicating value；
Step 4.5: host computer 14 carries out OCR character recognition to the image after region segmentation, obtains the electron in image
Temperature meter indicating value；
Step 4.6: the electronic thermometer indicating value obtained in step 4.5 and thermostatic water bath normal temperature numerical value are compared
Compared with obtaining the registration error of electronic thermometer 18 and record, registration error is less than or equal to 0.1 DEG C of threshold value of electron of calibrating
Temperature meter 18 is determined as qualification, the electronic thermometer 18 that registration error is greater than 0.1 DEG C of threshold value of calibrating is determined as unqualified.
Step 5: clinical thermometer loads mobile, the body temperature towards rack device under electronic thermometer under chain plate conveyor belt drive of bracket 6
During meter loads bracket 6 by turning to lower section above clinical thermometer loading transporting bracket device, it is loaded into clinical thermometer and loads bracket 6
Interior electronic thermometer 18 is tilted down to load in 6 through slot of bracket from clinical thermometer under the effect of gravity and be fallen, the electronics after falling
Clinical thermometer slides along slideway 11 to the sorting collection device being connected with slideway 11.
Claims (10)
1. a kind of chain-plate type efficent electronic clinical thermometer error of indication calibrating installation, it is characterised in that: including the first chain-plate type electronics
Thermometer test toter (1), the second chain-plate type electric thermometer test toter (2), the inspection of First look indicating value
Survey device (4), the second visual indication detection device (5), thermostatic water bath (3), clinical thermometer load bracket (6), lifting part (33), under
Frame component and commutation component；First chain-plate type electric thermometer test toter (1), the inspection of the second chain-plate type electronic thermometer
Surely with being disposed with thermostatic water bath (3) between toter (2), the first chain-plate type electric thermometer test toter (1),
It is equipped between two chain-plate type electric thermometer test toters (2) and is respectively facing the first chain-plate type electric thermometer test use
Toter (1), the First look indicating value detection device (4) of the second chain-plate type electric thermometer test toter (2),
Two visual indication detection devices (5)；Clinical thermometer loads bracket (6) and is mounted on the first chain-plate type electric thermometer test delivery dress
It sets on (1) and the second chain-plate type electric thermometer test toter (2), and loads transporting bracket mechanism by two clinical thermometers
(1,2) transport is driven；It loads to be equipped in transporting bracket mechanism close to the clinical thermometer of thermostatic water bath (3) cell wall and be filled for clinical thermometer
Carry the lifting part (33) that bracket (6) move in and out thermostatic water bath (3)；First chain-plate type electric thermometer test toter
(1) and on the downside of the side turning of the second chain-plate type electric thermometer test toter (2) it is equipped with for electric body-temperature
Count the commutation component turned to；First chain-plate type electric thermometer test toter (1) and the second chain-plate type electronic thermometer
Calibrating is equipped with the undercarriage component turned to for electronic thermometer with the other side of toter (2).
2. a kind of chain-plate type efficent electronic clinical thermometer error of indication calibrating installation according to claim 1, which is characterized in that
First chain-plate type electric thermometer test toter (1) and the second chain-plate type electric thermometer test delivery dress
Setting (2) main body is chain plate conveyor belt, and chain plate conveyor belt is mainly formed by conveyer belt and along the carrier bar that conveyer belt is continuously arranged, chain
It is fixedly installed with clinical thermometer on every block of carrier bar (22) of sheet conveying belt and loads bracket (6)；The clinical thermometer loads bracket (6) packet
Fixed link (15) and motion bar (16) are included, one end of fixed link (15) opens up strip slot, and the strip slot of fixed link (15) passes through spiral shell
Bolt is coupled with the threaded hole on carrier bar (22), and realization fixed link (15) is fixedly connected with carrier bar (22)；Fixed link (15)
The other end and motion bar (16) one end it is hinged, the other end of motion bar (16) towards thermostatic water bath (3), motion bar (16)
The other end is fixed with installation frame, installation frame be provided with for insert electronic thermometer (18) and with electronic thermometer (18) shape
The identical mounting groove of shape, mounting groove top slot size are greater than mounting groove lower end notch, electronic thermometer (18) lower part thermometric end
Portion is pierced by mounting groove；Installation frame opens up square hole in the side close to thermostatic water bath (3), and square hole is used for electronic thermometer
(18) hollow out of display screen is shown, installation frame is equipped with guide rod (17) in the side close to thermostatic water bath (3)；First chain-plate type
Electric thermometer test toter (1), second chain-plate type electric thermometer test toter (2) structure are identical；
The commutation component includes the reversing groove (26) and guide pin (19) of semicircular arc；Reversing groove (26) is arranged in clinical thermometer
Transporting bracket mechanism is loaded close to the side semicircle turning of thermostatic water bath (3), clinical thermometer loads the guide rod (17) of bracket (6)
It can be inlaid in reversing groove (26), guide pin (19), which is arranged on the downside of reversing groove (26), guide pin (19), has guide body
Temperature meter loads the intermediate incline that the motion bar (16) of bracket (6) lifts, and the output end of intermediate incline is located at entering for reversing groove (26)
Mouth is other；Fixed device (9) equipped with standard platinum resistance on the thermostatic water bath (3), standard platinum resistance fixed device (9) includes cross bar
(31), cross bar support frame (27), sliding block (29) and platinum resistance (30), cross bar (31) both ends are solid by cross bar support frame (27) support
Dingan County is loaded on the two sides side wall of thermostatic water bath (3), and cross bar (31) is parallel to the conveying direction of chain plate conveyor belt, lives on cross bar (31)
There are three the sliding block (29) mobile along cross bar (31), sliding blocks (29) to adjust in cross bar with moving horizontally along cross bar (31) for dynamic installation
(31) installation site on, each sliding block (29) are fitted with a platinum resistance (30) vertically, and platinum resistance (30) bottom is immersed permanent
Warm water tank (3) is for fluid temperature in detection slot；Clinical thermometer loads transporting bracket mechanism in two side channels close to thermostatic water bath (3)
Lifting part (33) is provided at wall, the motion bar (16) that lifting part (33) has for guiding clinical thermometer to load bracket (6) moves
Dynamic hillside shape fillet surface, clinical thermometer load bracket (6) in chain plate conveyor belt transmission process, and clinical thermometer loads bracket (6)
Motion bar (16) are made to cross thermostatic water bath (3) cell wall by the guidance movement of lifting part (33) by being lifted part (33)；
The undercarriage component is mainly made of slideway (11) and slideway bracket (10), and slideway (11) is solid by slideway bracket (10)
Dingan County's dress, slideway (11) be located on the downside of chain plate conveyor belt turning it is other, slideway (11) along chain plate conveyor belt turning radially to
Lower inclination arrangement, the clinical thermometer that the entrance of slideway (11) is located at the chain plate conveyor belt turning radial position at place load bracket
(6) at installation frame upper port, i.e. the electronic thermometer (18) of slideway (11) tilt angle and the chain plate conveyor belt turning
Tilt angle when bracket (6) installation frame is fallen is loaded from clinical thermometer to be consistent, and is installed so that loading bracket (6) from clinical thermometer
The electronic thermometer (18) that frame is fallen falls into slideway (11) just and slides again from slideway (11)；First look indicating value detection dress
It sets (4) and the second visual indication detection device (5) is both secured on NI Vision Builder for Automated Inspection support frame, visual indication detection device packet
Include the vertical height adjustment plate (38) of camera (41), light source (40), camera and the vertical fixed plate of light source (39), NI Vision Builder for Automated Inspection branch
Support is mainly made of aluminium column, the branch (36) positioned at aluminium column upper end and the bottom plate (34) positioned at aluminium column lower end, camera
Vertical height adjustment plate (38) is fixedly installed in table in the branch (36) of NI Vision Builder for Automated Inspection support frame by right angle rack (37)
Face is equipped with camera (41) on the vertical height adjustment plate (38) of camera, and it is perpendicular that the vertical fixed plate of light source (39) is fixedly installed in camera
In straight height adjustment plate (38), the vertical fixed plate of light source (39) is equipped with light source (40)；Clinical thermometer loads outside transporting bracket mechanism
Side is equipped with one sensor of position (7), and the photosurface face of one sensor of position (7) is lifted wherein by lifting part (33)
One electronic thermometer (18).
3. a kind of chain-plate type efficent electronic clinical thermometer error of indication calibrating installation according to claim 2, which is characterized in that
The guide pin (19) is fixed on guide pin fixing piece (21) by connector (20), and guide pin fixing piece (21) is fixed on body
Temperature meter loads transporting bracket mechanism lower part.
4. a kind of chain-plate type efficent electronic clinical thermometer error of indication calibrating installation according to claim 2, which is characterized in that
Middle position close to reversing groove (26) is equipped with two sensor of position (23), position two sensors (23) photosurface alignment peace
The clinical thermometer that the frame that frames up is horizontally situated loads bracket (6).
5. a kind of chain-plate type efficent electronic clinical thermometer error of indication calibrating installation according to claim 2, which is characterized in that
The camera (41) and light source (40) of vision inspection apparatus (4) are arranged towards the electronic thermometer of position one sensor (7) face；
The camera (41) of First look indicating value detection device (4) and the second visual indication detection device (5) is respectively used to the first chain of shooting
Position in board-like electric thermometer test toter (1) and the second chain-plate type electric thermometer test toter (2)
The electronic thermometer of one sensor (7) face.
6. a kind of chain-plate type efficent electronic clinical thermometer error of indication calibrating installation according to claim 2, which is characterized in that
The bottom plate (34) of the NI Vision Builder for Automated Inspection support frame circumferentially open there are three be used for mounted angle adjusting handle (35) screw thread
Hole, by adjusting the height of tilt adjustment handwheel (35) regulating base board (34) and ground, so that device is kept on out-of-flatness ground
It is horizontal；The vertical height adjustment plate (38) of camera is equipped with right angle rack (37) contact surface two sides matches with right angle rack (37) threaded hole
The height of the strip groove of conjunction installation, the vertical height adjustment plate (38) of camera and the vertical fixed plate of light source (39) is by strip groove and directly
The installation site of angle support (37) threaded hole is adjusted.
7. a kind of chain-plate type efficent electronic clinical thermometer error of indication calibrating installation according to claim 1, which is characterized in that
Clinical thermometer loads transporting bracket mechanism and realizes that support is fixed by aluminium frame, is equipped with PLC (12), host computer (14) on aluminium frame
With bridge for measuring temperature (13), bridge for measuring temperature (13) is connect with three platinum resistance (30) in standard platinum resistance fixed device (9), thermometric
Electric bridge (13) is connected by host computer (14) with PLC (12), and PLC (12) is used to control the fortune that clinical thermometer loads transporting bracket mechanism
Row.
8. a kind of chain-plate type efficent electronic clinical thermometer error of indication calibrating installation according to claim 1, which is characterized in that
The clinical thermometer loads bracket (6) and loads transporting bracket mechanism in commutation component, thermostatic water bath (3), vision inspection by clinical thermometer
Survey loopy moving between device, undercarriage component.
9. a kind of chain-plate type efficent electronic clinical thermometer error of indication calibration method of any described device according to claim 1~8,
Characterized by comprising the following steps:
Step 1: bridge for measuring temperature (13) passes through the temperature of platinum resistance (30) real-time detection thermostatic water bath (3), when host computer (14) are examined
When the vertification regulation that the temperature and fluctuation and uniformity for measuring thermostatic water bath (3) meet electronic thermometer (18) requires, on
Position machine (14) controls clinical thermometer loading transporting bracket mechanism by PLC (12) and brings into operation；
Step 2: clinical thermometer loads bracket (6) by commutation component towards thermostatic water bath (3) movement, when two sensor of position (23) detects
When loading bracket (6) to clinical thermometer, it is out of service that PLC (12) controls chain plate conveyor belt, by external device (ED) by electronic thermometer
(18) installation frame that clinical thermometer loads bracket (6) is pushed to, the restocking of electronic thermometer (18), PLC (12) Quality Initiative are completed
Sheet conveying belt continues to run；
Step 3: clinical thermometer loads bracket (6) by thermostatic water bath (3) towards vision inspection apparatus movement, starts electronic thermometer (18)
Part (33) is lifted outside from thermostatic water bath (3) slot to be lifted up the cell wall by thermostatic water bath (3) and then drop to thermostatic water bath
(3) in slot, clinical thermometer loads bracket (6) and slides in thermostatic water bath (3) slot later, then guides through lifting part (33) from constant temperature
It is moved in sink (3) slot outside thermostatic water bath (3) slot；
Step 4: clinical thermometer loads bracket (6) and is moved to vision inspection apparatus, and one sensor of position (7) detects electronic thermometer
(18) when, camera (41) takes pictures to electronic thermometer (18) and is passed image host computer (14) back, and host computer (14) is to figure
As obtaining electronic thermometer in image (18) registration after processing, and it is real according to electronic thermometer (18) registration and thermostatic water bath (3)
Shi Wendu judges whether electronic thermometer (18) is qualified；
Step 5: the clinical thermometer by visual indication detection device loads bracket (6) towards the movement of undercarriage component, is loaded into clinical thermometer
The electronic thermometer (18) in bracket (6) is loaded to tilt down under the effect of gravity from clinical thermometer loading bracket (6) installation frame
It inside falls, the electronic thermometer after falling slides along slideway (11) to the sorting collection device being connected with slideway (11).
10. a kind of chain-plate type efficent electronic clinical thermometer error of indication calibration method according to claim 9, the step 4
Specifically includes the following steps:
Step 4.1: the screen position of the electronic thermometer (18) before device operation according to position one sensor (7) face adjusts
The external trigger line of camera (41) and transmission line are connected to host computer by the height and tilt angle of camera (41) and light source (40)
(14)；
Step 4.2: after one sensor of position (7) detects electronic thermometer (18), host computer (14) Xiang Xiangji (41), which is sent, to be clapped
According to signal, image is uploaded to host computer (14) after taking pictures by camera (41)；
Step 4.3: host computer (14) carries out binary conversion treatment to image, converts gray images into black white image；
Step 4.4: host computer (14) carries out region segmentation to the image after binary conversion treatment, retains electronic thermometer in image and shows
Region where being worth；
Step 4.5: host computer (14) carries out OCR character recognition to the image after region segmentation, obtains the electric body-temperature in image
Count indicating value；
Step 4.6: the electronic thermometer indicating value obtained in step 4.5 being compared with thermostatic water bath normal temperature numerical value, is obtained
To electronic thermometer (18) registration error and record, by registration error be less than or equal to calibrating threshold value electronic thermometer (18) sentence
It is set to qualification, it is on the contrary then be unqualified.
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| CN201910516119.7A CN110231109B (en) | 2019-06-14 | 2019-06-14 | Chain plate type efficient electronic thermometer indication value error calibrating device and method |
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| CN106644169A (en) * | 2016-11-11 | 2017-05-10 | 中国计量大学 | Automatic calibrating apparatus of electrothermometer |
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