CN208399543U - A kind of many types of hydrate observation device of atomic force microscope - Google Patents
A kind of many types of hydrate observation device of atomic force microscope Download PDFInfo
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- CN208399543U CN208399543U CN201820565169.5U CN201820565169U CN208399543U CN 208399543 U CN208399543 U CN 208399543U CN 201820565169 U CN201820565169 U CN 201820565169U CN 208399543 U CN208399543 U CN 208399543U
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Abstract
The utility model provides a kind of many types of hydrate observation device of atomic force microscope, including glove box, dry channel, cool down channel, gas pipeline and liquid nitrogen container, synthesis chamber is equipped in glove box, it synthesizes intracavitary equipped with atomic force microscope, cold and hot is fixed on the objective table of atomic force microscope, cooling chamber is equipped in liquid nitrogen container, dry channel includes air inlet pipe and an air outlet pipe, air inlet pipe is equipped with liquid nitrogen pump, in the two interfaces access glove box of dry channel one end, two interfaces of the other end access cooling chamber, cooling channel is identical as dry channel structure, two interfaces of cooling one end of the channel access cold and hot, two interfaces of the other end access liquid nitrogen container, gas pipeline one end access synthesis chamber, the other end connects gas cylinder.The utility model has the beneficial effects that controlling temperature by cooling channel, by adjusting gas pipeline flow control air pressure, meets different type lanthanum chloride hydrate condition, realize and sample micro/nano level configuration of surface and physicochemical properties are precisely observed under normal pressure.
Description
Technical field
The utility model relates to atomic force microscope more particularly to a kind of many types of hydrate observation dresses of atomic force microscope
It sets.
Background technique
Atomic force microscope is a kind of analyzer that can be used to study the solid material surface structure including insulator
Device, it by detection sample to be tested surface and a miniature force sensitive element between extremely weak interatomic interaction force come
Study the surface texture and property of substance.Existing atomic force microscope can only work under room temperature or higher temperature, lack
For many types of hydrate atomic force microscope observation system existing for low temperature, high pressure ability, cannot achieve in low temperature, condition of high voltage
It is lower to synthesize many types of hydrate and the purpose to the observation of hydrate sample surface morphology, nanoscale mechanical test, restrict hydrate
It is commercialized exploration and development.
Utility model content
In view of this, the embodiments of the present invention provide a kind of many types of hydrate observation device of atomic force microscope.
The embodiments of the present invention provide a kind of many types of hydrate observation device of atomic force microscope, including glove box,
Dry channel, cool down channel, gas pipeline and liquid nitrogen container, and synthesis chamber is equipped in the glove box, and the synthesis is intracavitary equipped with original
Sub- force microscope is fixed on the objective table of the atomic force microscope and is equipped with cavity, the liquid nitrogen in cold and hot, described cold and hot
Closed cooling chamber is equipped in tank, the dry channel includes air inlet pipe and an air outlet pipe, and the air inlet pipe is equipped with liquid nitrogen pump, institute
Two interfaces for stating dry channel one end are respectively connected in the glove box, and two interfaces of the other end are respectively connected to the cooling chamber,
The cooling channel is identical as the dry channel structure, and two interfaces of the cooling one end of the channel access the cavity, another
Two interfaces at end access the liquid nitrogen container, and the synthesis chamber is accessed in described gas pipeline one end, and the other end connects gas cylinder, described dry
The liquid nitrogen pump aspirates the air in the glove box and forms circulation on dry channel, makes the moisture in air in the cooling chamber
Crystallisation by cooling, described to synthesize intracavitary addition deionized water and sealed with described cold and hot, the gas cylinder is intracavitary defeated to the synthesis
Enter gas, the liquid nitrogen pump aspirates the nitrogen in the liquid nitrogen container and forms circulation on the cooling channel, makes the cold and hot drop
Temperature, gas hydrate at the objective table.
Further, the temperature sensor for being equipped with heater in described cold and hot and being connect with the heater, the temperature
It spends sensor and connects temperature controller, the temperature controller controls the heating temperature of the heater.
Further, the temperature controller connects the liquid nitrogen pump on the cooling channel and controls the liquid nitrogen pump pumping
Flow.
Further, be equipped with vertical partition in the cooling chamber, the partition separate the dry channel with it is described cold
But two interfaces of chamber.
Further, the gas pipeline is equipped with sequentially connected shut-off valve, threeway and pressure reducing valve, and the threeway also connects
Then digital display type pressure gauge, the shut-off valve connect the synthesis chamber, and the pressure reducing valve connects the gas cylinder.
Further, the digital display type pressure gauge and the pressure reducing valve are also connected with computer, and the computer is by described
Digital display type pressure gauge obtains the intracavitary air pressure of the synthesis and controls the pressure reducing valve being adjusted.
Further, vibration-damped table is equipped in the glove box, the atomic force microscope is placed in the vibration-damped table.
Further, the atomic force microscope is connected to microscope controller, and the microscope controller is located at described
Outside glove box.
The technical solution that the embodiments of the present invention provide has the benefit that the atomic force of the utility model is aobvious
The many types of hydrate observation device of micro mirror passes through by cooling channel control synthesis cavity temperature and adjusts gas pipeline flow control
Intracavitary air pressure is synthesized, the condition of different type lanthanum chloride hydrate is able to satisfy, while glove box gas can be dried, avoids
Sample surfaces frosting when low temperature, to realize under normal pressure state, atomic force microscope to sample micro/nano level configuration of surface and
The purpose that physicochemical properties are precisely observed, described device controllable temperature is minimum to can achieve -190 DEG C, can not destroy life
Under the premise of object and Polymer Materials ' Structure, the physical property and morphology observations of nano-area are carried out.
Detailed description of the invention
Fig. 1 is the schematic diagram of many types of hydrate observation device of the utility model atomic force microscope.
In figure: the first liquid nitrogen pump of 1-, the second liquid nitrogen pump of 2-, 3- liquid nitrogen container, 4- cooling chamber, 5- glove box, the control of 6- temperature
Device, 7- temperature sensor, 8- vibration-damped table, cold and hot of 9-, 10- synthesize chamber, 11- atomic force microscope, 12- shut-off valve, 13- tri-
Logical, 14- digital display type pressure gauge, 15 pressure reducing valves, 16- gas cylinder, 17- computer, 18- microscope controller, 19- dry channel, 20-
Cool down channel, 21- gas pipeline.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type embodiment is further described.
Referring to FIG. 1, the embodiments of the present invention provide a kind of many types of hydrate observation device of atomic force microscope,
Including glove box 5, liquid nitrogen container 3, dry channel 19, cooling channel 20 and gas pipeline 21；
It is equipped with vibration-damped table 8 in the glove box 5, places atomic force microscope 11, the glove box 5 in the vibration-damped table 8
Interior to be equipped with synthesis chamber 10, the atomic force microscope 11 is set in the synthesis chamber 10, and the atomic force microscope 11 connects
Microscope controller 18, the microscope controller 18 be located at outside the glove box 5, the load of the atomic force microscope 11
Fix cold and hot 9 on object platform, cavity be equipped in described cold and hot 9, be additionally provided in described cold and hot 9 heater and with the heating
The temperature sensor 7 of device connection；
Closed cooling chamber 4 is equipped in the liquid nitrogen container 3,4 top of cooling chamber is equipped with two interfaces, the cooling chamber 4
Interior to be equipped with vertical partition, the length of the partition is less than the length of the cooling chamber 4；
The dry channel 19 includes air inlet pipe and an air outlet pipe, and the air inlet pipe is equipped with the first liquid nitrogen pump 1, the drying
Two interfaces of 19 one end of channel are respectively connected in the glove box 5, and two interfaces of the other end connect with the two of the cooling chamber 4 respectively
Mouth is connected；
The cooling channel 20 is identical as 19 structure of dry channel, and the air inlet pipe is equipped with the second liquid nitrogen pump 2, institute
Two interfaces for stating cooling 20 one end of channel access the cavity, and two interfaces of the other end access the liquid nitrogen container 3, second liquid
2 connection temperature controller 6 of nitrogen pump, the temperature controller 6 control 2 pump discharge of the second liquid nitrogen pump, the temperature control
Device 6 connects the temperature sensor 7 and the heater, and the temperature controller 6 controls the heating temperature of the heater；
The gas pipeline 21 is equipped with sequentially connected shut-off valve 12, threeway 13 and pressure reducing valve 15, and the threeway 13 is also
It is connected to digital display type pressure gauge 14, the shut-off valve 12 connects the synthesis chamber 10, and the pressure reducing valve 15 connects gas cylinder 16, selection
Different gas cylinders 16 can synthesize different types of gas hydrate, and the digital display type pressure gauge 14 and the pressure reducing valve 15 are also connected with
Computer, the computer 17 obtain subtracting described in the air pressure synthesized in chamber 10 and control by the digital display type pressure gauge 14
Pressure valve 15 is adjusted.
The concrete operations mode of above-mentioned apparatus are as follows:
(1) the first liquid nitrogen pump 1 is opened, the air in the glove box 5 is aspirated and forms circulation in dry channel 19, make sky
Moisture in gas closes the when the dew point of gas in crystallisation by cooling in cooling chamber 4, glove box 5 is lower than the temperature value of experimental test
One liquid nitrogen pump 1；
(2) after deionized water being added in synthesis chamber 10, cold and hot 9 sealing synthesizes chamber 10, opens gas cylinder 18 to the conjunction
Gas is inputted in coelosis 10；
(3) the second liquid nitrogen pump 2 is opened, the nitrogen in liquid nitrogen container 3 is aspirated, cooling forms circulation in channel 20, makes cold and hot 9
Cooling pumps low temperature nitrogen by the power and the second liquid nitrogen pump 2 for adjusting the adding thermal resistance of heater by temperature controller 6
Flow may be implemented to be precisely controlled synthesis 10 temperature of chamber, set when cold and hot 9 temperature drop to set temperature, then through computer 17
It controls pressure reducing valve 15 and adjusts pressure in synthesis chamber 10, so that temperature, pressure is met the condition of growth of aerial hydrate, hydrate is in institute
It states and is slowly grown on objective table, judge that hydrate generates situation by temperature and pressure variation tendency, until generating completely；
(4) it is further decreased by the flow that temperature controller 6 controls to adjust the second liquid nitrogen pump 2 pumping low temperature nitrogen cold and hot
9 temperature of platform is then shut off pressure reducing valve 15, opens the high pressure gas in the discharge synthesis chamber 10 of shut-off valve 12 on gas pipeline 21,
Make to synthesize and be reduced to normal pressure in chamber 10, open synthesis chamber 10, by completing under 11 normal pressure of atomic force microscope to sample surface morphology
With the test of micro/nano level physicochemical properties.
Herein, the nouns of locality such as related front, rear, top, and bottom are to be located in figure with components in attached drawing and zero
Part mutual position defines, only for the purpose of expressing the technical solution clearly and conveniently.It should be appreciated that the noun of locality
Use should not limit the claimed range of the application.
In the absence of conflict, the feature in embodiment and embodiment herein-above set forth can be combined with each other.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (8)
1. a kind of many types of hydrate observation device of atomic force microscope, it is characterised in that: including glove box, dry channel, cooling
Channel, gas pipeline and liquid nitrogen container, the glove box is interior to be equipped with synthesis chamber, and the synthesis is intracavitary to be equipped with atomic force microscope, institute
It states to fix on the objective table of atomic force microscope and is equipped with cavity in cold and hot, described cold and hot, be equipped in the liquid nitrogen container closed
Cooling chamber, the dry channel includes air inlet pipe and an air outlet pipe, the air inlet pipe be equipped with liquid nitrogen pump, the dry channel one
Two interfaces at end are respectively connected in the glove box, and two interfaces of the other end are respectively connected to the cooling chamber, the cooling channel
Identical as the dry channel structure, two interfaces of the cooling one end of the channel access the cavity, and two interfaces of the other end connect
Enter the liquid nitrogen container, the synthesis chamber is accessed in described gas pipeline one end, and the other end connects gas cylinder, described on the dry channel
Liquid nitrogen pump aspirates the air in the glove box and forms circulation, makes the moisture in air in crystallisation by cooling in the cooling chamber, institute
It states the intracavitary addition deionized water of synthesis and is sealed with described cold and hot, the gas cylinder is described to the intracavitary input gas of synthesis
The liquid nitrogen pump aspirates the nitrogen in the liquid nitrogen container and forms circulation on cooling channel, makes the cold and hot cooling, the loading
Gas hydrate at platform.
2. a kind of many types of hydrate observation device of atomic force microscope as described in claim 1, it is characterised in that: described cold and hot
Equipped with heater and the temperature sensor connecting with the heater in platform, the temperature sensor connects temperature controller, institute
State the heating temperature that temperature controller controls the heater.
3. a kind of many types of hydrate observation device of atomic force microscope as claimed in claim 2, it is characterised in that: the temperature
Controller connects the liquid nitrogen pump on the cooling channel and controls the liquid nitrogen pump pump discharge.
4. a kind of many types of hydrate observation device of atomic force microscope as described in claim 1, it is characterised in that: the cooling
Intracavitary to be equipped with vertical partition, the partition separates two interfaces of the dry channel Yu the cooling chamber.
5. a kind of many types of hydrate observation device of atomic force microscope as described in claim 1, it is characterised in that: the gas transmission
Pipeline is equipped with sequentially connected shut-off valve, threeway and pressure reducing valve, and the threeway is also connected with digital display type pressure gauge, the cut-off
Valve connects the synthesis chamber, and the pressure reducing valve connects the gas cylinder.
6. a kind of many types of hydrate observation device of atomic force microscope as claimed in claim 5, it is characterised in that: the digital display
Formula pressure gauge and the pressure reducing valve are also connected with computer, and the computer is obtained described synthesizing chamber by the digital display type pressure gauge
Interior air pressure simultaneously controls the pressure reducing valve and is adjusted.
7. a kind of many types of hydrate observation device of atomic force microscope as described in claim 1, it is characterised in that: the gloves
Vibration-damped table is equipped in case, the atomic force microscope is placed in the vibration-damped table.
8. a kind of many types of hydrate observation device of atomic force microscope as described in claim 1, it is characterised in that: the atom
Force microscope is connected to microscope controller, and the microscope controller is located at outside the glove box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820565169.5U CN208399543U (en) | 2018-04-19 | 2018-04-19 | A kind of many types of hydrate observation device of atomic force microscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820565169.5U CN208399543U (en) | 2018-04-19 | 2018-04-19 | A kind of many types of hydrate observation device of atomic force microscope |
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| CN208399543U true CN208399543U (en) | 2019-01-18 |
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| CN201820565169.5U Active CN208399543U (en) | 2018-04-19 | 2018-04-19 | A kind of many types of hydrate observation device of atomic force microscope |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113433160A (en) * | 2021-06-25 | 2021-09-24 | 中国科学院青海盐湖研究所 | Method for confirming eutectic point of eutectic hydrated salt system and application thereof |
-
2018
- 2018-04-19 CN CN201820565169.5U patent/CN208399543U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113433160A (en) * | 2021-06-25 | 2021-09-24 | 中国科学院青海盐湖研究所 | Method for confirming eutectic point of eutectic hydrated salt system and application thereof |
| CN113433160B (en) * | 2021-06-25 | 2022-09-20 | 中国科学院青海盐湖研究所 | Method for confirming eutectic point of eutectic hydrated salt system and application thereof |
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