CN109012780A - A kind of thermostat and its application method based on gas medium - Google Patents
A kind of thermostat and its application method based on gas medium Download PDFInfo
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- CN109012780A CN109012780A CN201810846450.0A CN201810846450A CN109012780A CN 109012780 A CN109012780 A CN 109012780A CN 201810846450 A CN201810846450 A CN 201810846450A CN 109012780 A CN109012780 A CN 109012780A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L7/00—Heating or cooling apparatus; Heat insulating devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L1/00—Enclosures; Chambers
- B01L1/02—Air-pressure chambers; Air-locks therefor
- B01L1/025—Environmental chambers
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Abstract
The object of the present invention is to provide a kind of thermostat and its application method based on gas medium, thermostat include: sealing heat conduction shell and thermometric heated constant temperature layer；Thermometric heated constant temperature layer is stated set on the sealing heat conduction shell side wall；Flabellum is equipped in the sealing heat conduction shell.Thermostat and its application method provided by the invention based on gas medium, the medium of thermostat uses gas, it is other than having action same as liquid thermostatic bath, it can also be used in all kinds of highly integrated integrated instrument instrument and all be not easy to the component and various equipment in liquid vivo detection.
Description
Technical field
This application involves Technology of Precision Measurement field more particularly to a kind of thermostats and its use based on gas medium
Method.
Background technique
Temperature is one of seven fundamental physical quantities in the International System of Units (SI), almost all of research and production process all and
Temperature is related.In order to which temperature is correctly measured and controlled, people have invented all kinds of temperature sensors.Generally pass through thermostat pair
All kinds of temperature sensors carry out the calibration and calibration of temperature.Medium of the liquid as thermostat, example are generallyd use in the prior art
Use alcohol type when such as 5 DEG C or less, 5 DEG C~95 DEG C use water, using various silicone oils at 95 DEG C or more.However for all kinds of height
Temperature sensor and other sensors conversion circuit, collector and communications mould in integrated integrated instrument instrument
Block cannot contact the liquid mediums such as water, alcohol, liquid medium thermostat cannot be used to carry out all-round property testing to it.
Summary of the invention
It is an object of the present invention to provide a kind of thermostat and its application method based on gas medium, it is existing to solve
There is using the thermostat of liquid medium the problem of using limitation.
The present invention provides a kind of thermostat based on gas medium, comprising: sealing heat conduction shell and thermometric heated constant temperature
Layer；
The thermometric heated constant temperature layer is set to the sealing heat conduction shell side wall；
Flabellum is equipped in the sealing heat conduction shell.
Further, thermostat of the present invention, the sealing heat conduction shell includes: first chamber and second chamber；
The thermometric heated constant temperature layer, the sealing heat conduction shell, the second chamber and the first chamber are according to certainly
Outer and interior sequence is successively arranged；
The first chamber is mutually separated with the second chamber by gage work area shell, gage work area shell
Equipped with the first ventilation opening and the second ventilation opening for being connected to the first chamber Yu the second chamber；
The flabellum is specifically set to one end of the first chamber.
Further, the other end of thermostat of the present invention, the first chamber is equipped with measurement standard mechanism and survey
Measure operating mechanism；
The measurement standard mechanism and the measurement operating mechanism extend to exterior space out of described first chamber.
Further, thermostat of the present invention, the first chamber is interior to be equipped with gas temperature Yun He mechanism.
Further, thermostat of the present invention, gas temperature Yun He mechanism include: the first oppositely oriented wind
Vehicle blade group and the second air vane group；
The first air vane group is oppositely arranged with the second air vane group.
Further, thermostat of the present invention, the flabellum, the first air vane group and second windmill
Blade group is arranged along the extending direction sequence of the first chamber；
The first air vane group is identical as the rotation direction of the flabellum.
Further, thermostat of the present invention, further includes: the first lid and the second lid；
First lid and second lid seal the both ends for being set to the sealing heat conduction shell respectively.
Further, thermostat of the present invention, further includes: outer housing and insulating layer；
The insulating layer is set to inside the outer housing；
The insulating layer wraps up the thermometric heated constant temperature layer, first lid and second lid.
Further, thermostat of the present invention, the thermometric heated constant temperature layer include: thermometric heating mechanism, heating
Circuit, thermometric circuit and switching mechanism；
The thermometric heating mechanism and the switching mechanism are set to the heating circuit；
Also, the thermometric heating mechanism and the switching mechanism are set to the thermometric circuit.
Further, thermostat of the present invention, the switching mechanism are used for: in the heating circuit and the thermometric
It is switched between circuit.
Further, thermostat of the present invention, the thermometric heating mechanism are had single using temperature and resistance value
The wire of corresponding characteristic.
Further, thermostat of the present invention, the wire are set around the sealing heat conduction shell periphery.
The application method of thermostat provided by the invention, the application method are filled applied to constant temperature of the present invention
It sets, the application method includes:
Control switching mechanism switches between heating circuit and thermometric circuit；
When the heating of thermometric heated constant temperature layer, switch the heating circuit conducting；
When measuring the temperature of the thermometric heated constant temperature layer, switch the thermometric circuit conducting.
Further, application method of the present invention, the control switching mechanism is between heating circuit and thermometric circuit
The step of switching over specifically includes:
Switching mechanism is controlled according to predetermined period to switch between heating circuit and thermometric circuit；
The application method further include:
The thermometric heated constant temperature layer heating is controlled according to the predetermined period；
The temperature of the thermometric heated constant temperature layer is measured according to the predetermined period；
When the temperature for measuring the thermometric heated constant temperature layer reaches heating temperature threshold value, it is permanent to control the thermometric heating
Warm layer reduces heating amount；
When the temperature in the first chamber reaches preset temperature value, controls the thermometric heated constant temperature layer heating amount and protect
It holds constant.
Thermostat and its application method provided by the invention based on gas medium, medium use gas, can both replace
For liquid thermostat, it can also be used to be not suitable for measuring all kinds of highly integrated integrated instrument instrument in liquid, and be not easy to
The component detected in liquid and various equipment.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the application's is other
Feature, objects and advantages will become more apparent upon:
Fig. 1 is the structural schematic diagram of the thermostat based on gas medium of the embodiment of the present invention；
Fig. 2 is the operation principle schematic diagram of the sealing heat conduction shell and thermometric heated constant temperature layer of the embodiment of the present invention；
Fig. 3 is the circuit diagram of the thermometric heated constant temperature layer of the embodiment of the present invention.
The same or similar appended drawing reference represents the same or similar component in attached drawing.
Specific embodiment
The application is described in further detail with reference to the accompanying drawing.
Fig. 1 is the structural schematic diagram of the thermostat based on gas medium of the embodiment of the present invention, and Fig. 2 is that the present invention is implemented
The operation principle schematic diagram of the sealing heat conduction shell and thermometric heated constant temperature layer of example, as depicted in figs. 1 and 2, the power supply system packet
It includes:
The embodiment of the present invention provides a kind of thermostat based on gas medium, comprising: sealing heat conduction shell 1 and thermometric add
Hot thermostat layer 2.
Wherein, the thermometric heated constant temperature layer 2 is set to 1 side wall of sealing heat conduction shell.In the sealing heat conduction shell 1
Equipped with flabellum 3.
Specifically, the sealing heat conduction shell 1 includes: first chamber 11 and second chamber 12.
The thermometric heated constant temperature layer 2, the sealing heat conduction shell 1, the second chamber 12 and the first chamber 11
It successively arranges according to sequence from outer to inner.I.e. second chamber 12 is set to except first chamber 11, and sealing heat conduction shell 1 is set to the
Except two chambers 12, thermometric heated constant temperature layer 2 is set to the outer wall of sealing heat conduction shell 1.First chamber 11 is gage work area, institute
It states first chamber 11 and is mutually separated with the second chamber 12 by gage work area shell 13, gage work area shell 13 is set
There are the first ventilation opening 131 and the second ventilation opening 132 for being connected to the first chamber 11 and the second chamber 12.Flabellum 3
Specifically it is set to the first chamber 11.
The working principle of the thermostat of the embodiment of the present invention are as follows: sealing 1 outer wall of heat conduction shell and thermometric heated constant temperature layer 2
Inner wall fits.Such structure can homogenize and expand system to the heating surface (area) (HS of thermostat, and make temperature measuring point and heating
Area distance is most short, prevents from surveying the heat shock generated between mild heat due to mutually postponing, to reduce the temperature of system
Stability.If thermometric heated constant temperature layer 2 is set in sealing heat conduction shell 1, close to the regional temperature of thermometric heated constant temperature layer 2
Height, the regional temperature far from thermometric heated constant temperature layer 2 is low, and the temperature field that will cause in sealing heat conduction shell 1 is unstable and uneven
It is even.It seals first chamber 11 and second chamber 12 in heat conduction shell 1 and is full of the gas mediums such as air, sealing heat conduction shell 1 is
Internal sealed set, preventing internal gas and outside air circulation from carrying out heat exchange leads to temperature change.Seal heat conduction shell 1 by
The Heat Conduction Materials such as metal are made, and add thermogenetic heat transmission to second chamber 12 on thermometric heated constant temperature layer 2.Flabellum 3 revolves
Turn that air is made to circulate according to arrow direction shown in Fig. 2, i.e., the gas after second chamber heating passes through the second ventilation opening 132
Into first chamber 11, it is circulated to 11 top of first chamber from 11 bottom of first chamber, circulates back the by the first ventilation opening 131
Heat continuous uniform that second chamber 12 receives is transmitted to first chamber 11 by gas circulating flow by two chambers 12.
Thermometric heated constant temperature layer 2 can also measure the temperature of sealing heat conduction shell 1 other than heating to sealing heat conduction shell 1.Root
Feedback control is carried out to the heating amount of thermometric heated constant temperature layer 2 according to the measurement temperature of sealing heat conduction shell 1, while thermally conductive to sealing
Heat dissipation capacity in shell 1 carries out feedback control, controls heating amount and heat dissipation capacity by control unit, default when reaching control unit
When temperature, control heating amount is equal with heat dissipation capacity, makes to seal the temperature in heat conduction shell 1 and is in equilibrium state, sealing is kept to lead
The temperature of hot shell 1 is remained unchanged in preset temperature, and thermostat of the invention is made to be in temperature constant state.
The thermostat of the embodiment of the present invention, different from using the thermostat of liquid medium in the prior art, medium is adopted
With gas, it can both substitute liquid thermostat action, it can also be used to be not suitable for measuring in liquid all kinds of highly integrated
Change integrated instrument instrument, component and various equipment.In addition, the chemical industry of the prior art is tested, chemically react often adjoint
Heat release, endothermic thermal event, the fine metering for micro thermal change, it is desirable that aneroid that must be very constant in a temperature field
In body space, this is because the thermal capacity of liquid is big, it is insensitive to be converted to temperature change for the micro variation of heat.And air
Medium keeps the micro change transitions of heat more sensitive at temperature change since thermal capacity is small, that is, instrument can be improved
Measurement accuracy, therefore the thermostat of air dielectric is widely applied in fine chemistry industry metering.
In some embodiment of the invention, the flabellum 3 is specifically set to one end of the first chamber 11.First chamber
The other end of room 11 is equipped with measurement standard mechanism 141 and measurement operating mechanism 142.The measurement standard mechanism 141 and the survey
Amount operating mechanism 142 extends to exterior space out of described first chamber 11.
Wherein, first chamber is the gage work area of thermostat of the invention, measurement standard mechanism 141 and measurement work
Mechanism 142 extends to exterior space from gage work area, is used for thermometric.Measurement operating mechanism 142 is the measurement used when measurement
Mechanism, measured value, which is used as to compare with the measured value of standards body, reads data.The data also can be used as calibration or amendment is outer
Portion's equipment readings is used.The leveled constant temperature in offer gage work area of measurement standard mechanism 141.For example, using measurement working machine
Structure 142 carries out chemical industry test, since chemical reaction has heat release or endothermic thermal event, will lead to measurement 142 measurement end of operating mechanism
Slight temperature variation.The normal temperature of measurement standard mechanism 141 can be measured at this time, measurement standard mechanism 141 surveys
The measurement temperature gap that the normal temperature and measurement operating mechanism 142 obtained measures, as chemically reacts heat release itself or heat absorption is made
At temperature change, this comparison method can exclude groove body constant temperature error itself or common mode interference, further improving measurement accuracy.
Further, gas temperature Yun He mechanism 4 is equipped in the first chamber 11.
Gas temperature Yun He mechanism 4 includes: the first air vane group 41 and the second air vane group 42；
The first air vane group 41 is oppositely arranged with the second air vane group 42.First air vane group 41 with
Second air vane group 42 it is oppositely oriented.
Wherein the flabellum 3, the first air vane group 41 and the second air vane group 42 are along first chamber
The extending direction sequence of room 11 is arranged.The first air vane group is identical as the rotation direction of 41 flabellums 3.
Wherein, flabellum 3 passes through motor driven.In order to further enhance the uniformity of temperature in sealing heat conduction shell 1, such as scheme
Shown in 1, gas temperature Yun He mechanism 4 is equipped with above flabellum 3.Gas temperature Yun He mechanism 4 has no power mechanism, passes through flabellum
The 3 air flowings provided carry out rotary work.I.e. flabellum 3 is identical as 41 rotation direction of the first air vane group, the first air vane group
41 is oppositely oriented with the second air vane group 42, so that the gas medium in gage work area be made uniformly to mix.Gas temperature is even
Closing mechanism 4 can be set to inside first chamber by being located at the supporting mechanism of first chamber inner wall.
Further, thermostat of the present invention further include: the first lid 51 and the second lid 52.
Wherein, first lid 51 and second lid 52 seal respectively is set to the two of the sealing heat conduction shell 1
End.
Wherein, the first lid 51 and the second lid 52 are sealed sealing heat conduction shell 1 by sealing ring etc., keep close
Seal the air-tightness of heat conduction shell 1.It opens the first lid 51 and the second lid is 52 easy to repair, in replacement sealing heat conduction shell 1
Component.
Further, thermostat of the present invention further include: outer housing 6 and insulating layer 7.
The insulating layer 7 is set to inside the outer housing 6.The insulating layer 7 wraps up the thermometric heated constant temperature layer 2, institute
State the first lid 51 and second lid 52.
Wherein, outer housing 6 shields.Insulating layer 7 is by thermometric heated constant temperature layer 2, the first lid 51 and the second lid
52 be wrapped in, avoid heat loss.
Fig. 3 is the circuit diagram of the thermometric heated constant temperature layer of the embodiment of the present invention, as shown in figure 3, the thermometric heats
Thermostat layer 2 includes: thermometric heating mechanism 21, switching mechanism 22, heating circuit 23 and thermometric circuit 24.
The thermometric heating mechanism 21 and the switching mechanism 22 are set to the heating circuit 23, also, the thermometric adds
Heat engine structure 21 and the switching mechanism 22 are set to the thermometric circuit 24.
Wherein, the switching mechanism is used for: being switched between the heating circuit 23 and the thermometric circuit 24.
Specifically, the thermometric heating mechanism 21 has the wire of single corresponding characteristic, example using temperature and resistance value
It is such as made of copper, platinum metal material, one temperature value of the metalloid is only corresponding with a resistance value, is similar to temperature-sensitive electricity
Resistance, resistance value vary with temperature and change.
The wire is set around 1 periphery of sealing heat conduction shell, through uniform ring by way of, to the thermally conductive shell of sealing
Body 1 is evenly heated, then provides heat, wire and sealing heat conduction shell 1 by the second chamber of sealing heat conduction shell 1 internally
The heating source for collectively forming thermostat mixes gas medium uniformly by mechanisms such as flabellums, promotes the temperature of thermostat
Stability.
Wherein, switching switch can be used in switching mechanism.Switching mechanism is controlled in heating circuit 23 by control circuit and is surveyed
It is switched between temperature loops 24.When thermometric heated constant temperature layer 2 heats, switching heating circuit 23 is connected, control thermometric heating
Thermostat layer 2 is heated.When measuring the temperature of thermometric heated constant temperature layer 2, switching thermometric circuit 24 is connected, can be anti-with acquisition
Reflect the electric signal of the temperature of thermometric heated constant temperature layer 2.Temperature and resistance value have the wire of single corresponding characteristic can be with temperature
Change resistance value, and then current value is caused to change, by being connected to the temperature measurement module in thermometric circuit 24, reflection thermometric heating can be measured
The electric signal of 2 temperature of thermostat layer.Switching mechanism can be according to the control circuit preset period in heating circuit 23 and thermometric circuit 24
Between switch over, period frequency is higher, thus make thermometric heated constant temperature layer 2 achieve the purpose that and meanwhile for heat and thermometric,
The electric appliance that can avoid between temperature measurement signal and heating source adjusts delay.If for thermometric heated constant temperature layer 2, by calandria and survey
Temperature sensor is arranged apart, is installed in different location, will adjust delay surveying to generate between mild heat, heat vibration is caused to be accumulate.
In addition, control thermometric heated constant temperature layer 2 reduces heating amount when temperature is close to preset temperature in first chamber, overtemperature can avoid.It is super
Wen Houzai carries out temperature adjusting, and it is big to will lead to temperature fluctuation, can take a significant amount of time and just can reach equalized temperature, when starting up
Between it is long.The specific adjusting of heating can carry out according to the following formula:
A=B-C；
Wherein, B expression first chamber preset temperature value, C expression preset temperature difference, A expression heating temperature threshold value, A >=
0, B >=0 and C >=0.When the temperature for measuring thermometric heated constant temperature layer 2 reaches heating temperature threshold value A, control thermometric heating is permanent
Warm layer 2 gradually decreases heating amount, until temperature reaches preset temperature value B and forms heating temperature value A and is equal in first chamber
The value of thermostat heat dissipation at this time, makes system temperature reach balance.
The thermostat of the embodiment of the present invention can avoid the corrosion hazards of liquid medium using gas medium.And for
Required energy is far below liquid medium when gas heating, therefore the power consumption of the thermostat of the embodiment of the present invention is about same
The 1/30 of Liquid Medium Constant Temperature Oven, power savings are obvious.Not only use cost is high for Liquid Medium Constant Temperature Oven, but also the liquid such as silicone oil
Medium is easy to happen oxidation reaction or polymerization reaction under 200 DEG C or more of operating temperature, flue gas is generated, to operator
Health damages, and the above problem of the avoidable liquid medium of thermostat through the embodiment of the present invention, clean and environmental protection, no
Harmful substance can be generated.
The operating temperature of the thermostat of the embodiment of the present invention can be set as: maximum operating temperature is 250 DEG C, using special work
Skill can reach 350 DEG C, and minimum operating temperature has design refrigeration system to determine.
The embodiment of the present invention provides a kind of application method of thermostat, and the application method is applied to the embodiment of the present invention
Thermostat, application method includes:
Control switching mechanism switches between heating circuit and thermometric circuit；
When the heating of thermometric heated constant temperature layer, switch the heating circuit conducting；
When measuring the temperature of the thermometric heated constant temperature layer, switch the thermometric circuit conducting.
The embodiment of the present invention also provides a kind of application method of thermostat, and the application method is applied to the present invention and implements
The thermostat of example, application method include:
Switching mechanism is controlled according to predetermined period to switch between heating circuit and thermometric circuit；
When the heating of thermometric heated constant temperature layer, switch the heating circuit conducting, and institute is controlled according to the predetermined period
State the heating of thermometric heated constant temperature layer；
When measuring the temperature of the thermometric heated constant temperature layer, switch the thermometric circuit conducting, and according to described default
The temperature of thermometric heated constant temperature layer described in period measurement；
When the temperature for measuring the thermometric heated constant temperature layer reaches heating temperature threshold value, it is permanent to control the thermometric heating
Warm layer reduces heating amount；
When the temperature in the first chamber reaches preset temperature value, controls the thermometric heated constant temperature layer and keep heating
It measures constant.
Switching switch can be used in switching mechanism.As shown in figure 3, controlling switching mechanism 22 in heating circuit by control circuit
It is switched between 23 and thermometric circuit 24.When thermometric heated constant temperature layer 2 heats, switching heating circuit 23 is connected, and control is surveyed
Warm heated constant temperature layer 2 is heated.When measuring the temperature of thermometric heated constant temperature layer 2, switching thermometric circuit 24 is connected, to obtain
It is able to reflect the electric signal of the temperature of thermometric heated constant temperature layer 2.Temperature and resistance value have the wire of single corresponding characteristic, can
As thermistor, resistance value can be changed with temperature, and then current value is caused to change, by the thermometric mould for being connected to thermometric circuit 24
Block can measure the electric signal of reflection 2 temperature of thermometric heated constant temperature layer.Switching mechanism 22 can exist according to the control circuit preset period
It is switched between heating circuit 23 and thermometric circuit 24, period frequency is higher, so that thermometric heated constant temperature layer 2 be made to reach simultaneously
Delay is adjusted with the purpose of thermometric, the electric appliance that can avoid between temperature measurement signal and heating source for heating.If added for thermometric
Hot thermostat layer 2, calandria and temperature transducer is arranged apart, it is installed in different location, will be produced surveying between mild heat
It is raw to adjust delay, cause heat vibration to be accumulate.In addition, control thermometric heated constant temperature layer 2 subtracts when temperature is close to preset temperature in first chamber
Few heating amount, can avoid overtemperature.Temperature adjusting is carried out after overtemperature again, it is big to will lead to temperature fluctuation, can take a significant amount of time and just may be used
Reach equalized temperature, starting up's time is long.The specific adjusting of heating can carry out according to the following formula:
A=B-C；
Wherein, B indicates the preset temperature value of first chamber, and C indicates preset temperature difference, and A indicates heating temperature threshold value, A
>=0, B >=0 and C >=0.When the temperature for measuring thermometric heated constant temperature layer 2 reaches heating temperature threshold value A, control thermometric heating
Thermostat layer 2 gradually decreases heating amount, until temperature reaches preset temperature value B and forms heating temperature value A etc. in first chamber
In the value of thermostat heat dissipation at this time, system temperature is made to reach balance.
The thermostat of the embodiment of the present invention uses air as gas medium, and the experiment carried out 24 hours is tested to test
Its temperature degree of stability is demonstrate,proved, specific experiment data are as follows:
1 thermostat temperature stability test data of table
The test specification of thermostat temperature stability test data shown in table 1: the temperature of thermostat, which is read, uses L
Type mercurial thermometer, readings range are 41 DEG C~45 DEG C, and resolution ratio reading is 0.01 DEG C, then after being amplified with optical microscope system
Can readings to 0.001 DEG C.The centre temperature of thermostat is detected, after being such as displaced outwardly about 10cm, temperature will
0.01 DEG C or so of decline, here it is temperature gradient, temperature field is highly stable in thermostat.In testing without using flabellum system
System such as uses flabellum system, temperature can be made more stable.Although the explanation air of table 1 poor, thermal capacity with heat-conductive characteristic itself
It is small etc. to be unfavorable for the shortcomings that making thermostat, but control technology innovation and the improvement of thermostat structure process, mesh can be passed through
The long-term temperature stability of preceding actual test is much higher than very widely used today all kinds of liquid thermostatic baths.
Obviously, those skilled in the art can carry out various modification and variations without departing from the essence of the application to the application
Mind and range.In this way, if these modifications and variations of the application belong to the range of the claim of this application and its equivalent technologies
Within, then the application is also intended to include these modifications and variations.
It is obvious to a person skilled in the art that the application is not limited to the details of above-mentioned exemplary embodiment, Er Qie
In the case where without departing substantially from spirit herein or essential characteristic, the application can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and scope of the present application is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included in the application.Any reference signs in the claims should not be construed as limiting the involved claims.This
Outside, it is clear that one word of " comprising " does not exclude other units or steps, and odd number is not excluded for plural number.That states in device claim is multiple
Unit or device can also be implemented through software or hardware by a unit or device.The first, the second equal words are used to table
Show title, and does not indicate any particular order.
Claims (14)
1. a kind of thermostat based on gas medium characterized by comprising sealing heat conduction shell and thermometric heated constant temperature
Layer；
The thermometric heated constant temperature layer is set to the sealing heat conduction shell side wall；
Flabellum is equipped in the sealing heat conduction shell.
2. thermostat according to claim 1, which is characterized in that the sealing heat conduction shell include: first chamber and
Second chamber；
The thermometric heated constant temperature layer, the sealing heat conduction shell, the second chamber and the first chamber according to from outer and
Interior sequence is successively arranged；
The first chamber is mutually separated with the second chamber by gage work area shell, and gage work area shell is equipped with
For being connected to the first ventilation opening and the second ventilation opening of the first chamber Yu the second chamber；
The flabellum is specifically set to one end of the first chamber.
3. thermostat according to claim 2, which is characterized in that the other end of the first chamber is equipped with measurement standard
Mechanism and measurement operating mechanism；
The measurement standard mechanism and the measurement operating mechanism extend to exterior space out of described first chamber.
4. thermostat according to claim 2, which is characterized in that be equipped with the even conjunction machine of gas temperature in the first chamber
Structure.
5. thermostat according to claim 4, which is characterized in that gas temperature Yun He mechanism includes: rotation direction phase
Anti- the first air vane group and the second air vane group；
The first air vane group is oppositely arranged with the second air vane group.
6. thermostat according to claim 5, which is characterized in that the flabellum, the first air vane group and institute
The extending direction sequence that the second air vane group is stated along the first chamber is arranged；
The first air vane group is identical as the rotation direction of the flabellum.
7. thermostat according to claim 1, which is characterized in that further include: the first lid and the second lid；
First lid and second lid seal the both ends for being set to the sealing heat conduction shell respectively.
8. thermostat according to claim 7, which is characterized in that further include: outer housing and insulating layer；
The insulating layer is set to inside the outer housing；
The insulating layer wraps up the thermometric heated constant temperature layer, first lid and second lid.
9. thermostat according to any one of claim 1 to 8, which is characterized in that the thermometric heated constant temperature layer packet
It includes: thermometric heating mechanism, heating circuit, thermometric circuit and switching mechanism；
The thermometric heating mechanism and the switching mechanism are set to the heating circuit；
Also, the thermometric heating mechanism and the switching mechanism are set to the thermometric circuit.
10. thermostat according to claim 9, which is characterized in that the switching mechanism is used for: in the heating circuit
It is switched between the thermometric circuit.
11. thermostat according to claim 9, which is characterized in that the thermometric heating mechanism uses temperature and resistance
It is worth the wire with single corresponding characteristic.
12. thermostat according to claim 11, which is characterized in that the wire is set around the thermally conductive shell of sealing
External week.
13. a kind of application method of thermostat, which is characterized in that the application method is applied to appoint in claim 9 to 11
Thermostat described in one, the application method include:
Control switching mechanism switches between heating circuit and thermometric circuit；
When the heating of thermometric heated constant temperature layer, switch the heating circuit conducting；
When measuring the temperature of the thermometric heated constant temperature layer, switch the thermometric circuit conducting.
14. application method according to claim 13, which is characterized in that the control switching mechanism is in heating circuit and survey
The step of switching between temperature loops specifically includes:
Switching mechanism is controlled according to predetermined period to switch between heating circuit and thermometric circuit；
The application method further include:
The thermometric heated constant temperature layer heating is controlled according to the predetermined period；
The temperature of the thermometric heated constant temperature layer is measured according to the predetermined period；
When the temperature for measuring the thermometric heated constant temperature layer reaches heating temperature threshold value, the thermometric heated constant temperature layer is controlled
Reduce heating amount；
When the temperature in the first chamber reaches preset temperature value, controls the thermometric heated constant temperature layer heating amount and keep not
Become.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810846450.0A CN109012780A (en) | 2018-07-27 | 2018-07-27 | A kind of thermostat and its application method based on gas medium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115855749A (en) * | 2023-02-24 | 2023-03-28 | 深圳市艾润克润滑科技有限公司 | Viscosity tester for lubricating oil production |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201260968Y (en) * | 2008-09-08 | 2009-06-24 | 王长勋 | Cylindrical air medium high-temperature constant temperature bath |
| CN102614944A (en) * | 2012-02-27 | 2012-08-01 | 华中科技大学 | Multifunctional environmental test box and environmental test method and use thereof |
| CN105848317A (en) * | 2015-01-13 | 2016-08-10 | 深圳市新宜康科技有限公司 | Intelligent temperature control heating device and preparation method therefor |
| CN208959936U (en) * | 2018-07-27 | 2019-06-11 | 上海实极机器人自动化有限公司 | A kind of thermostat based on gas medium |
-
2018
- 2018-07-27 CN CN201810846450.0A patent/CN109012780A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201260968Y (en) * | 2008-09-08 | 2009-06-24 | 王长勋 | Cylindrical air medium high-temperature constant temperature bath |
| CN102614944A (en) * | 2012-02-27 | 2012-08-01 | 华中科技大学 | Multifunctional environmental test box and environmental test method and use thereof |
| CN105848317A (en) * | 2015-01-13 | 2016-08-10 | 深圳市新宜康科技有限公司 | Intelligent temperature control heating device and preparation method therefor |
| CN208959936U (en) * | 2018-07-27 | 2019-06-11 | 上海实极机器人自动化有限公司 | A kind of thermostat based on gas medium |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115855749A (en) * | 2023-02-24 | 2023-03-28 | 深圳市艾润克润滑科技有限公司 | Viscosity tester for lubricating oil production |
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