CN110017914A - Flow-guiding radiation stem body temperature checker - Google Patents
Flow-guiding radiation stem body temperature checker Download PDFInfo
- Publication number
- CN110017914A CN110017914A CN201810018505.9A CN201810018505A CN110017914A CN 110017914 A CN110017914 A CN 110017914A CN 201810018505 A CN201810018505 A CN 201810018505A CN 110017914 A CN110017914 A CN 110017914A
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- flow
- furnace body
- air
- body temperature
- fan
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- 230000036760 body temperature Effects 0.000 title claims abstract description 38
- 230000005855 radiation Effects 0.000 title claims abstract description 27
- 238000001816 cooling Methods 0.000 claims abstract description 28
- 239000007789 gas Substances 0.000 claims 14
- 238000009434 installation Methods 0.000 claims 1
- 230000017525 heat dissipation Effects 0.000 abstract description 9
- 238000009413 insulation Methods 0.000 description 7
- 238000005259 measurement Methods 0.000 description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000005439 thermosphere Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- 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
- G01K15/005—Calibration
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20145—Means for directing air flow, e.g. ducts, deflectors, plenum or guides
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Testing Of Individual Semiconductor Devices (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
A kind of flow-guiding radiation stem body temperature checker of the present invention, belongs to temperature correction field.It includes shell (6), the furnace body (1) being located in shell (6) and the cooling fan (16) being located at below furnace body (1), tested device (9) is inserted into furnace body, shell (6) is internally provided at least one air flow-producing device, the air flow-producing device is located at the periphery of the furnace body (1), the air-flow of generation blows to the handle (91) of tested device, and the air flow-producing device is the combination of one or more of gas passage C2, diversion fan (21), air pump and air blower.The air-flow that air flow-producing device of the present invention generates can be directed to the handle of tested device and handle is made to be cooled down, so as to avoid handle inner sensor because failing caused by high temperature, also it is conducive to the heat dissipation of instrument internal electronic device itself simultaneously, extends the service life of temperature checker.
Description
Technical field
The invention belongs to temperature correction field more particularly to stem body temperature checkers, and in particular to a kind of to dissipate with water conservancy diversion
The stem body temperature checker of heat function.
Background technique
Stem body temperature checker is widely used in the work of all trades and professions for calibrating to thermometer or thermal switch etc.
Industry scene, metering place and laboratory, have than broader market.
The shell that existing Portable dry temperature tester is typically provided with furnace body and is convenient for carrying, furnace body includes: soaking
Block (furnace core), isothermal block, thermal insulation layer and cooling fan with heating or/and refrigerating plant.Equal heat block central cavity is to accommodate
The tested tested devices such as thermometer or thermal switch；Certain distance is separated between isothermal block and thermal insulation layer to form heat dissipation channel C1,
The air-flow of cooling fan generation of furnace body bottom end is placed in from the flows of heat dissipation channel to top, to realize to furnace interior
Cooling heat dissipation.However, the temperature due to furnace interior is higher, the gas temperature flowed out from heat dissipation channel C1 is also higher,
And then cause the tested device handle temperature near fire door excessively high, further result in the sensor damage of tested device handle inner
It is bad.
Summary of the invention
It is an object of the invention to provide a kind of stem body temperature with flow-guiding radiation function for above-mentioned defect
Spend tester.
The technical solution of the present invention is as follows:
A kind of flow-guiding radiation stem body temperature checker comprising shell (6), be located at shell (6) in furnace body (1) and be located at
Cooling fan (16) below furnace body (1), tested device (9) are inserted into furnace body, and shell (6) is internally provided at least one air-flow
Generation device, the air flow-producing device are located at the periphery of the furnace body (1), the air-flow that the air flow-producing device generates blow to by
Survey the handle (91) of device.
The air flow-producing device is one or more of gas passage C2, diversion fan (21), air pump and air blower
Combination.
The air flow-producing device be it is single, the side of the furnace body is set；Alternatively, the air flow-producing device is more
A, the periphery of the furnace body is arranged in distribution.
Flow-guiding radiation stem body temperature checker, the air flow-producing device include the water conservancy diversion wind positioned at furnace body one side or the multi-lateral
Fan (21), air pump or air blower.
The air flow-producing device is mounted on the mounting rack or mounting plate of furnace body side, the mounting rack or mounting plate
It is fixed on the housing base (5) of stem body temperature checker.
The flow-guiding radiation stem body temperature checker further includes the control board mount (22) for installing control panel (2), described
Air flow-producing device is installed on a mounting board, which is mechanically anchored in the top of control board mount (22), the control panel branch
The bottom end of frame (22) is fixed on the housing base (5).
The flow-guiding radiation stem body temperature checker, the air flow-producing device include setting in furnace body (1) periphery
The one or more gas passage C2 and gas passage C2 that are connected to cooling fan (16) or other gas sources and setting are at this
The combination of diversion fan (21), air pump or air blower inside gas passage C2.
The gas passage C2 is cuboid cylinder, cylinder or the guide duct positioned at furnace body side.Alternatively,
The gas passage C2 is the cuboid cylinder for controlling board mount (22) and control panel (2) and surrounding, wherein control panel branch
Frame (22) is rectangular recess structure, the side opening of control panel (2) part covering rectangular recess structure, the gas outlet of cuboid cylinder
Place is provided with fan mounting plate, and diversion fan (21) is mechanically anchored in the lower section of fan mounting plate, and fan mounting plate has and leads
The corresponding opening in flow fan (21) position.
The flow-guiding radiation stem body temperature checker is provided with base of furnace body (11) below the furnace body (1), cooling
Fan (16) is arranged in the lower cavity of base of furnace body (11), is formed on base of furnace body (11) side wall adjacent with gas passage
There is at least one venthole to form the air-flow that gas passage C3 generates cooling fan (13) and flow under gas passage C2
The air inlet of side.
The flow-guiding radiation stem body temperature checker, the air flow-producing device be only be arranged furnace body side and with it is cold
But fan or the gas passage C2 of extraneous gas source connection.
The flow-guiding radiation stem body temperature checker, the air-flow that the diversion fan (21), air pump or air blower generate
Direction tilts vertically upward or to furnace body side.
Using above scheme, the present invention passes through one or more of gas passage C2, diversion fan, air pump and air blower
Collectively form air flow-producing device, the air flow-producing device generate air-flow can be directed to and act on tested device
Handle and so that handle is cooled down, so as to avoid handle inner sensor because failing caused by high temperature, at the same also be conducive to instrument sheet
The heat dissipation of body internal electronic device extends the service life of temperature checker.
Detailed description of the invention
Figure 1A is flow-guiding radiation stem body temperature checker (low temperature oven) exploded view of the present invention；
Figure 1B is flow-guiding radiation stem body temperature checker (high temperature furnace) exploded view of the present invention；
Fig. 2 is the structural schematic diagram of furnace body in the present invention；
Fig. 3 is the schematic diagram that air flow-producing device is gas passage and combination fan in the present invention；
Fig. 4 is flow-guiding radiation stem body temperature checker diagrammatic cross-section of the present invention；
Fig. 5 is the perspective view that air flow-producing device is diversion fan is assemblied on control board mount in the present invention.
Wherein, appended drawing reference are as follows:
Furnace body 1, system plate module 3 measure plate module 4, housing base 5；
Cooling fan 16, base of furnace body 11, isothermal block 13, thermal insulation layer 14, fire door 15；
Control panel 2, diversion fan 21 control board mount 22, mounting plate 23；
Shell 6, jack 61；Tested device 9, tested device handle 91.
Specific embodiment
The present invention provides a kind of stem body temperature checker with flow-guiding radiation function, referring now to Figure 1A and Figure 1B, packet
The shell 6 of instrument and the furnace body 1 being placed in the shell 6 are included, can also include being assemblied in control parallel with furnace body 1 in shell 6
Making sheet 2；Shell 6 is equipped with jack 61 and the fire door 15 of furnace body 1 is opposite, allows tested device 9 to protrude into jack 61.
In conjunction with shown in Fig. 2 and Fig. 3, furnace body 1 includes equal heat block, isothermal block 13, the thermal insulation layer 14 for being placed in 13 periphery of isothermal block.
The lower section of furnace body 1 is provided with base of furnace body 11, and isothermal block 13 and thermal insulation layer 14 are placed on pedestal 11.In in 11 lower cavity of pedestal
It is equipped with cooling fan 16.Isothermal block 13 surrounds equal heat block (furnace core), and the upper end of equal heat block has the opening for accommodating tested device 9
That is fire door 15 further includes the heat source thermally contacted with equal heat block in isothermal block 13；Thermal insulation layer 14 is arranged around the isothermal block 13, every
Heat dissipation channel C1 spaced apart to form furnace interior between thermosphere 14 and isothermal block 13, when needing to cool down to furnace body 1,
The cooling fan 16 of 1 bottom of furnace body, which works, makes the hot gas of furnace core generation pass through heat dissipation channel C1 from row of exhausting-gas hole above furnace body 1
(furnace interior air-flow is referring to shown in the thin arrow of Fig. 3) out.
In the present invention, it is provided between the peripheral heat insulation cylinder 14 and shell 6 of the furnace body 1 for carrying out water conservancy diversion to instrument
Heat dissipation and the air flow-producing device that windstream can be generated.The air flow-producing device is located in shell 6 and is located at the outer of furnace body 1
Portion.
The number of air flow-producing device is unlimited, can arrange according to actual needs, and the position of setting should make air-flow
The air-flow that generation device generates can act on the handle 91 of tested device 9 and handle 91 made to be cooled down.It is to be appreciated that single
Air flow-producing device, which can be set, is arranged in the outer of the furnace body 1 in the side of the furnace body 1 or multiple air flow-producing devices
It encloses, further, multiple air flow-producing devices can be with spaced set；When furnace body 1 is cuboid, air flow-producing device can be with
One or more sides of neighbouring furnace body 1 are arranged.
First, a kind of embodiment of air flow-producing device is the gas passage C2 being connected to gas source.As shown in figure 3, institute
Gas passage is stated as one or more, setting is in 1 periphery of furnace body.As long as the form of gas passage C2 is unlimited can be played gas source
Air-flow guide to tested device handle.It is to be appreciated that the gas source can be the cooling fan 16 of bottom of furnace body, also
It can be the natural airflow or other gas sources outside furnace body.
Further, the bottom end gas passage C2 has air inlet, is connected to gas source so that air-flow enters airflow channel
C2.The handle 91 that there is gas outlet to make air flow direction tested device 9 on the top of gas passage C2.Specifically, gas passage
C2 can be the cuboid cylinder that four pieces of rectangular slabs surround, and be also possible to cylinder or long duct.When gas passage C2 is multiple,
It can be interconnected, and the outlet side of all gas channel C 2 each towards the handle 91 of tested device 9, can also be complete
Portion's gas passage only sets an outlet side and towards the handle of tested device 9 91.
In one embodiment, shown in Figure 3, gas passage C2 is surrounded by control panel 2 and control board mount 22
Vertical cuboid channel, the control board mount 22 are the rectangular recess structure that three pieces of long plates of rectangular shape surround, side opening quilt
Control panel 2 is partially enclosed, and upper/lower terminal opening is unclosed.Gas passage C2 produces the cooling fan 16 being located at below furnace body
Raw air-flow is below furnace body from guidance to the handle 91 of tested device 9, it is possible to understand that ground, cooling fan 13 are located at base of furnace body
Have multiple openings to allow cooling fan 16 to produce in 11 cavity, on the side wall neighbouring with gas passage C2 of base of furnace body 11
Raw air-flow flows to gas passage C2, for example, as shown in figure 3, being equipped with connection cooling fan between 1 bottom of furnace body and pedestal
16 and 1 side of furnace body gas passage C3, in this way, 16 place pedestal cavity of cooling fan passes through with furnace body outer side gas channel C 2
Tool housing 6 is discharged simultaneously by gas passage C3 and gas channel C 2 in gas passage C3 connection, the air-flow that cooling fan 16 generates
It can be directed at the handle 91 of tested device 9.
Second, the another embodiment of air flow-producing device is diversion fan 21, the gas positioned at furnace body one side or the multi-lateral
The combination of pump and one or more of air blower.
In one embodiment, air flow-producing device is diversion fan 21, air pump or the air blower that furnace body side is arranged in.
It is to be appreciated that the multiple sides that can have multiple diversion fans 21 to be separately positioned on furnace body, the common air-flow that generates to be tested
The handle 91 of device 9 cools down.The air flow-producing device is arranged on the mounting rack or mounting plate of furnace body side.Pass through
Change the height of the mounting rack or the position of mounting plate, to adjust the height of the air flow-producing device.Specifically, it ties
It closes shown in Fig. 5 and Figure 1A, mounting plate 23 is located at the top of control board mount 22, and the height of the control board mount 22 will be lower than furnace
Body height so that the diversion fan 21 being mounted on mounting plate 23 be located at the side of furnace body and the height of slightly below furnace body and
In shell 6 formed be conducive to diversion fan 21 work space, therefore air-flow caused by diversion fan 21 can act on by
It surveys the handle 91 of device 9 and plays the role of cooling.
Third, another embodiment of air flow-producing device is the diversion fan 21 positioned at furnace body side, air pump and drum
The combination of one or more of blower and airflow channel C2.It can be arranged at the top, centre or lower part of airflow channel C2
There is mounting plate to install diversion fan 21, air pump and air blower.In the present embodiment, in conjunction with shown in Fig. 3 and Fig. 4, gas passage
C2 is the vertical cuboid air duct surrounded by control panel 2 and control board mount 22, and the control board mount 22 is three pieces of rectangular slabs
Rectangular recess structure is surrounded, side is open by the partially enclosed formation gas passage C2 of control panel 2, and the top of gas passage C2 is opened
It is closed at mouthful by fan mounting plate, diversion fan 21 is mounted on the lower section of fan mounting plate, fan mounting plate and diversion fan 21
Corresponding position is had opening and is passed through with the air-flow for allowing diversion fan 21 and gas channel C 2 to generate.The bottom of gas passage C2
End opening and 16 airflow connection of cooling fan.Cooling fan 16 is located in the cavity of base of furnace body 11, base of furnace body 11 with gas
Have multiple openings to form gas passage C3 on the neighbouring side wall of body channel C 2, thus the air-flow for allowing cooling fan 16 to generate
Flow to gas passage C2.
When the air flow-producing device is diversion fan 21, the diversion fan 21 can lie in 1 side of furnace body,
It can be tilted a certain angle, so that the air-flow that diversion fan 21 generates more easily flows to furnace body 1.Preferably, the water conservancy diversion wind
Fan 21 to the tilt angle of 1 side of furnace body be 0 degree to 90 degree between so that the covering of the fan of diversion fan 21 more faces institute
State furnace body 1.
It is appreciated that the above air flow-producing device can replace diversion fan 21 with air pump and air blower；It can also basis
The operating power of the revolving speed for adjusting the diversion fan 21, air pump and air blower is actually needed to generate different tolerance realizations pair
The different cooling effect of 9 handle of tested device.
It is to be appreciated that the lower section of shell 6 is additionally provided with housing base 5, housing base 5 and about 6 shell are cooperatively formed
Dismountable shell mechanism, consequently facilitating the maintenance of stem body temperature checker internal element, the lower section of housing base 5 has ventilation
Mouthful, to allow extraneous gas or gas source to enter inside stem body temperature checker.Stem body temperature checker of the invention further includes
Measurement plate module 4 and system plate module 3 inside shell 6 are set.The measurement plate module 4 is for connecting measurement line to realize
The electrical measurement function of stem body temperature checker.System plate module 3 is used for parameter setting, and data are shown to realize human-computer interaction.
The working principle of flow-guiding radiation stem body temperature checker provided by the invention are as follows: the air-flow that air flow-producing device generates
Its surrounding can be flowed to, therefore has fraction and is flowed to tested device handle orientations, the temperature of the fraction is room temperature, is made
Obtaining high temperature of the tested device handle close to furnace core (equal heat block) mouth end reduces, and also makes the thermal current quilt near tested device handle
The air-flow that air flow-producing device generates blows off furnace body, to reduce the temperature at tested device handle.
Implementation result:
It is gentle by diversion fan 21 as shown in Figure 1B when air flow-producing device is applied to high temperature stem body temperature checker
Circulation road collective effect, when the revolving speed of diversion fan is 6000 revs/min, the handle temperature of tested device is reduced to by 133 degree
61 degree, when rotation speed of the fan is 8000 revs/min, handle temperature is further reduced to 48 degree.
In the specific implementation, air flow-producing device proposed by the present invention is suitable for any existing or following newly developed
Various temperature checkers, furnace body etc., those skilled in the art combine the shape of specific furnace body or temperature checker according to the present invention
Formula can do a variety of variations, these variations also belong to present disclosure.
Claims (11)
1. a kind of flow-guiding radiation stem body temperature checker comprising shell (6), be located at shell (6) in furnace body (1) and be located at furnace
Cooling fan (16) below body (1), tested device (9) be inserted into furnace body, which is characterized in that shell (6) be internally provided with to
A few air flow-producing device, the air flow-producing device are located at the periphery of the furnace body (1), what the air flow-producing device generated
Air-flow blows to the handle (91) of tested device.
2. flow-guiding radiation stem body temperature checker according to claim 1, which is characterized in that air flow-producing device be it is single,
The side of the furnace body is set, alternatively, air flow-producing device be it is multiple, the periphery of the furnace body is arranged in distribution.
3. flow-guiding radiation stem body temperature checker according to claim 1 or 2, which is characterized in that the gas stream generation apparatus
Set diversion fan (21), air pump or air blower including being located at furnace body one side or the multi-lateral.
4. flow-guiding radiation stem body temperature checker according to claim 1 or 2 or 3, which is characterized in that the air-flow generates
Device is mounted on the mounting rack or mounting plate of furnace body side, and the mounting rack or mounting plate are fixed to stem body temperature checker
Housing base (5) on.
5. flow-guiding radiation stem body temperature checker according to claim 4, which is characterized in that the stem body temperature checker
It further include the control board mount (22) for installing control panel (2), the air flow-producing device is installed on a mounting board, the installation trigger
Tool is fixed on the top of control board mount (22), and the bottom end of the control board mount (22) is fixed on the housing base (5).
6. flow-guiding radiation stem body temperature checker according to any one of claims 1 to 5, which is characterized in that the air-flow
Generation device includes the one or more gases that with cooling fan (16) or other gas source are connected to of the setting in furnace body (1) periphery
Channel C 2 and gas passage C2 and the diversion fan (21) being arranged in inside gas passage C2, the group of air pump or air blower
It closes.
7. flow-guiding radiation stem body temperature checker according to claim 6, which is characterized in that the gas passage C2 is position
Cuboid cylinder, cylinder or guide duct in furnace body side.
8. flow-guiding radiation stem body temperature checker according to claim 6, which is characterized in that the gas passage C2 is control
The cuboid cylinder that making sheet bracket (22) and control panel (2) surround, wherein control board mount (22) is rectangular recess structure, control panel
(2) side of part covering rectangular recess structure is open, and is provided with fan mounting plate, diversion fan at the gas outlet of cuboid cylinder
(21) it is mechanically anchored in the lower section of fan mounting plate, fan mounting plate has opening corresponding with diversion fan (21) position.
9. flow-guiding radiation stem body temperature checker according to claim 8, which is characterized in that the lower section of the furnace body (1)
Be provided with base of furnace body (11), cooling fan (16) be arranged in the lower cavity of base of furnace body (11), base of furnace body (11) with
At least one venthole is formed on the adjacent side wall of gas passage to form gas passage C3 and generate cooling fan (13)
Air-flow flow to the air inlet below gas passage C2.
10. flow-guiding radiation stem body temperature checker according to claim 1 or 2, which is characterized in that the gas stream generation apparatus
Set the gas passage C2 that furnace body side is only set and is connected to cooling fan or extraneous gas source.
11. according to the described in any item flow-guiding radiation stem body temperature checkers of claim 3 to 10, which is characterized in that described to lead
The airflow direction that flow fan (21), air pump or air blower generate tilts vertically upward or to furnace body side.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810018505.9A CN110017914B (en) | 2018-01-09 | 2018-01-09 | Flow-guiding heat-dissipating dry body temperature calibrator |
| PCT/CN2019/070623 WO2019137331A1 (en) | 2018-01-09 | 2019-01-07 | High temperature dry block temperature calibrator |
| EP19737990.2A EP3739312B1 (en) | 2018-01-09 | 2019-01-07 | High temperature dry block temperature calibrator |
| US16/960,990 US11959814B2 (en) | 2018-01-09 | 2019-01-07 | High-temperature dry block temperature calibrator |
| EP19738531.3A EP3739314A4 (en) | 2018-01-09 | 2019-01-08 | Flow guiding and heat dissipating type dry block temperature calibrator |
| US16/961,014 US11740139B2 (en) | 2018-01-09 | 2019-01-08 | Flow guiding and heat dissipating type dry block temperature calibrator |
| PCT/CN2019/070730 WO2019137343A1 (en) | 2018-01-09 | 2019-01-08 | Flow guiding and heat dissipating type dry block temperature calibrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810018505.9A CN110017914B (en) | 2018-01-09 | 2018-01-09 | Flow-guiding heat-dissipating dry body temperature calibrator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110017914A true CN110017914A (en) | 2019-07-16 |
| CN110017914B CN110017914B (en) | 2024-05-14 |
Family
ID=67187572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810018505.9A Active CN110017914B (en) | 2018-01-09 | 2018-01-09 | Flow-guiding heat-dissipating dry body temperature calibrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110017914B (en) |
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| CN111307337A (en) * | 2020-02-13 | 2020-06-19 | 中国科学院理化技术研究所 | Forced air circulation temperature calibration device |
| WO2021175291A1 (en) * | 2020-03-06 | 2021-09-10 | 北京康斯特仪表科技股份有限公司 | Temperature calibrator and method for cooling furnace core thereof |
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| CN111307337A (en) * | 2020-02-13 | 2020-06-19 | 中国科学院理化技术研究所 | Forced air circulation temperature calibration device |
| CN111307337B (en) * | 2020-02-13 | 2021-04-13 | 中国科学院理化技术研究所 | Forced air circulation temperature calibration device |
| WO2021175291A1 (en) * | 2020-03-06 | 2021-09-10 | 北京康斯特仪表科技股份有限公司 | Temperature calibrator and method for cooling furnace core thereof |
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