CN208805456U - The atmospheric corrosion experimental provision of analog different humidity environment - Google Patents
The atmospheric corrosion experimental provision of analog different humidity environment Download PDFInfo
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- CN208805456U CN208805456U CN201821431236.0U CN201821431236U CN208805456U CN 208805456 U CN208805456 U CN 208805456U CN 201821431236 U CN201821431236 U CN 201821431236U CN 208805456 U CN208805456 U CN 208805456U
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- liquid phase
- phase cavity
- water bath
- cavity
- thermostat water
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Abstract
The utility model discloses a kind of atmospheric corrosion experimental provisions of analog different humidity environment, belong to laboratory services technical field.It includes test container, thermostat water bath, gas phase cavity, heating mechanism, temperature sensor and control mechanism, thermostat water bath is located in test container, rotary shaft is connected between thermostat water bath and the bottom surface of test container, rotary shaft is equipped with the motor for driving it to rotate, liquid phase cavity there are three being opened up respectively on the top surface of thermostat water bath, shape is bowl-shape, and different salting liquids is placed in three liquid phase cavity bodies.The utility model in three liquid phase cavity bodies by placing three kinds of different saturated salt solutions, it can produce three kinds of different humidity environments at a constant temperature, controlling motor by control mechanism drives thermostat water bath rotation that can realize the switching of the intracavitary relative humidity of gas phase, to provide convenience condition to carry out the atmospheric corrosion test under different humidity environment.
Description
Technical field
The utility model relates to corrosion experiment analog machine fields, and in particular to a kind of analog different humidity environment it is big
Gas corrosion experimental provision.
Background technique
Atmospheric corrosion is broken caused by synergy of the material by moisture, oxygen contained in air and corrosive media
It is bad, it will lead to equipment and facility premature failure, reliability and security reduces and service life is reduced.It often adopts in the lab
The atmospheric corrosion process of metal material under difficult environmental conditions is simulated with climatic chamber.
And current use for laboratory climatic chamber generally passes through refrigeration, dehumidification device, heating and humidifier and is controlled,
Its higher cost, and control system is complicated, it is difficult to it is promoted；Saturated salt solution method generates relative humidity has device excessively simple again
Disadvantage that is single, changing humidity environment difficulty.Therefore, it is necessary to design that a kind of structure is simple, humidity is adjustable and accurately and reliably atmosphere
Corrosion experimental device, to meet the experiment needs for atmospheric corrosion of metal materials.
Utility model content
The purpose of this utility model is to provide a kind of atmospheric corrosion experimental provision of analog different humidity environment, the realities
While experiment device provides constant humidity using saturated salt solution, and the switching of different humidity environment may be implemented, thus to open
Atmospheric corrosion test under exhibition different humidity environment is provided convenience condition.
To achieve the above object, the utility model uses following technical scheme:
A kind of atmospheric corrosion experimental provision of analog different humidity environment, including test container, thermostat water bath, gas phase
Cavity, heating mechanism, temperature sensor and control mechanism, the test container is the cylindrical structure of an inner hollow, described
Thermostat water bath is located in the test container, and rotation is connected between the thermostat water bath and the bottom surface of the test container
Axis, the rotary shaft are equipped with the motor for driving it to rotate, and the thermostat water bath shape is cylinder, in water bath with thermostatic control
The first liquid phase cavity, second liquid phase cavity and third liquid phase cavity are offered respectively on the top surface of pot, the first liquid phase cavity,
The shape of second liquid phase cavity and third liquid phase cavity is bowl-shape, and the first liquid phase cavity, second liquid phase cavity and
For placing different salting liquids in three liquid phase cavity bodies；
The gas phase cavity includes that a shape is cylindrical chamber, and the top of the chamber seals and bottom opening, institute
The middle and lower part for stating chamber is provided with sample holder, is used to place test button to be measured, the sample on the sample holder
The surface of holder offers several uniform stomatas；
The first liquid phase cavity, second liquid phase cavity and third liquid phase cavity match with the gas phase cavity geometry,
Gas phase cavity is fixed in the test container, when thermostat water bath rotation, the first liquid phase cavity or the second liquid
Phase cavity or third liquid phase cavity just with the gas phase cavity one confined space of close tangent formation；
The heating mechanism is located in the test container, and for heating to thermostat water bath, the temperature is passed
Sensor is arranged on the water bath with thermostatic control outer wall of wall, for monitoring the temperature in the thermostat water bath, the heating mechanism, temperature
Degree sensor passes through lead and connects the control mechanism.
As a preferred embodiment of the utility model, the gas phase cavity, which is fixed on the test by three brackets, to be held
On the inner wall of device.
As another preferred embodiment of the utility model, it is provided with air gauge at the top of the gas phase cavity, it is described
The top of first liquid phase cavity, second liquid phase cavity and third liquid phase cavity and the junction shape of gas phase cavity are cylinder.
Further, the bottom of the gas phase chamber is provided with rubber ring, and the control mechanism is located at outside the test container.
Advantageous effects brought by the utility model are as follows:
The utility model generates constant relative humidity using saturated salt solution method and can be intracavitary to gas phase by control mechanism
Humidity environment switch over, have the characteristics that it is simple easily obtain, humidity value is stable, destroy after easily repair and favorable reproducibility, this
Outside, it is additionally provided with insulating layer outside gas phase cavity, can effectively reduces the loss of heat, improves the control precision of temperature.Corrosion
Sample supporter is equipped with stomata, and evaporation and condensation between gas phase and water phase can be rapidly reached dynamic equilibrium.This is practical new
Type enhances the convenience and efficiency of atmospheric corrosion experiment, and apparatus structure is simple to operation, low in cost, can be used as atmosphere corruption
Erosion experimental provision is promoted.
Detailed description of the invention
The utility model is described further with reference to the accompanying drawing:
Fig. 1 is the structural schematic diagram of the utility model atmospheric corrosion experimental provision；
In figure, 1, test container, 2, bracket, 3, air gauge, 4, test button to be measured, 5, sample holder, 6, control machine
Structure, 7, temperature sensor, 8, heating mechanism, 9, motor, 10, rotary shaft, 11, thermostat water bath, 12, liquid phase cavity (the first liquid
Phase cavity or second liquid phase cavity or third liquid phase cavity), 13, saturated salt solution, 14, insulating layer, 15, gas phase cavity.
Specific embodiment
The utility model proposes a kind of atmospheric corrosion experimental provisions of analog different humidity environment, in order to keep this practical
Novel advantage, technical solution are clearer, clear, elaborate combined with specific embodiments below to the utility model.
As shown in Figure 1, a kind of atmospheric corrosion experimental provision of analog different humidity environment of the utility model, including test
Container 1, bracket 2, air gauge 3, sample holder 5, control mechanism 6, temperature sensor 7, heating mechanism 8, motor 9, rotary shaft
10, thermostat water bath 11, liquid phase cavity 12, gas phase cavity 15, test container 1 are the cylindrical structure of an inner hollow, constant temperature
Water-bath 11 is located in test container 1, and rotary shaft is connected between thermostat water bath and the bottom surface of test container, and rotary shaft is equipped
Motor for driving it to rotate, when motor drives rotary shaft rotation, so that thermostat water bath is rotated, it is preferably permanent
Warm water bath is a cylindrical structure, internal to fill water, carries out the temperature that heating keeps certain to it by heating mechanism 8,
The first liquid phase cavity, second liquid phase cavity and third liquid phase cavity, the first liquid phase are offered on the top surface of thermostat water bath respectively
The shape of cavity, second liquid phase cavity and third liquid phase cavity is that bowl-shape, preferably bowl-shape top is cylindrical structure, can be with
With gas phase cavity it is tangent when match, and for placing not in the first liquid phase cavity, second liquid phase cavity and third liquid phase cavity body
Same saturated salt solution 13；
It is cylindrical chamber that gas phase cavity, which includes a shape, the top sealing of chamber and bottom opening, in chamber under
Portion is provided with sample holder, is used to place test button 4 to be measured on sample holder, if the surface of sample holder offers
Do uniform stomata；When convenient for forming confined space with liquid phase cavity body, corrosion test is carried out to test button 4 to be measured.
First liquid phase cavity, second liquid phase cavity and third liquid phase cavity and gas phase cavity geometry match, gas phase cavity
It is fixed in test container, when thermostat water bath rotation, the first liquid phase cavity or second liquid phase cavity or third liquid phase cavity
Just it is preferably set in gas phase cavity bottom with close one confined space of tangent formation of gas phase cavity in order to keep airtightness good
Rubber ring is set, places different salting liquids in each liquid phase cavity body, when gas phase cavity and the first liquid phase cavity body form confined space
When, it is at this time a relative humidity, when gas phase cavity and second liquid phase cavity formation confined space, and will form another phase
To humidity, so as to be switched over to relative humidity.
Heating mechanism is located in test container, and for heating to thermostat water bath, temperature sensor is arranged in constant temperature
On water-bath outer wall of wall, for monitoring the temperature in thermostat water bath, heating mechanism, temperature sensor are connected by lead and are controlled
Mechanism.It is preferred that being enclosed with insulating layer in gas phase chamber outer wall, can effectively reduce the loss of heat, the control of temperature is improved
Precision.
At a constant temperature, the gas-phase space on saturated salt solution top can form the moisture field of stable and uniform.Gas phase chamber
The junction of body and liquid phase cavity is equipped with rubber ring to provide enough air-tightness.Pass through temperature heating mechanism and temperature sensor
The water intracavitary to water-bath carries out heating and temperature control, by controlling the temperature of water bath with thermostatic control turntable and the type of saturated salt solution, just
The atmospheric environment of different temperatures and humidity can be obtained in gas phase cavity.Rotary shaft 10 is driven to drive water bath with thermostatic control by motor 9
Pot rotation, realizes the switching to different liquid phase cavitys.
Saturated salt solution is formulated by analytically pure salt and deionized water, should maintain 30%~90% salt it is not molten
Yu Shuizhong, the weight of salt should be bigger than the amount being completely dissolved by 30% at a given temperature, and in order to obtain uniform saturated salt solution,
Salt crystal, which should be added in the water more much higher than measurement temperature, to be dissolved, then by greenhouse cooling to the temperature needed.As table 1 lists
The constant humidity (20~40 DEG C) that 7 kinds of saturated salt solutions generate, range of humidity variation is from 43%RH to 98%RH.In the present embodiment
In, total crimping of superjacent vapor and mixture is ensured when generating stable relative humidity using saturated salt solution method
Nearly standard atmospheric pressure (101325Pa).
Since relative humidity is closely related with temperature, constant humidity solution there are certain requirements temperature stability, the utility model
Equipped with insulating layer, influence of the external environment to experimental provision internal temperature can be significantly reduced, humid control is improved
Accuracy, manipulation is simple, and cost is relatively low.
The equilibrium humidity (20~40 DEG C) of several saturated salt solutions of table 1
It takes or uses for reference prior art and can be realized in the part that do not addressed in aforesaid way.
Certainly, the above description is not intended to limit the present invention, and the utility model is also not limited to the example above,
The variations, modifications, additions or substitutions that those skilled in the art are made in the essential scope of the utility model, are also answered
Belong to the protection scope of the utility model.
Claims (5)
1. a kind of atmospheric corrosion experimental provision of analog different humidity environment, including test container, thermostat water bath, gas phase chamber
Body, heating mechanism, temperature sensor and control mechanism, the test container are the cylindrical structure of an inner hollow, feature
Be: the thermostat water bath is located in the test container, between the thermostat water bath and the bottom surface of the test container
It is connected with rotary shaft, the rotary shaft is equipped with the motor for driving it to rotate, and the thermostat water bath shape is cylinder,
Offer the first liquid phase cavity, second liquid phase cavity and third liquid phase cavity respectively on the top surface of thermostat water bath, described
The shape of one liquid phase cavity, second liquid phase cavity and third liquid phase cavity is bowl-shape, and the first liquid phase cavity, the second liquid
For placing different salting liquids in phase cavity and third liquid phase cavity body；
The gas phase cavity includes that a shape is cylindrical chamber, and the top of the chamber seals and bottom opening, the chamber
The middle and lower part of room is provided with sample holder, is used to place test button to be measured on the sample holder, the sample is put
The surface of frame offers several uniform stomatas；
The first liquid phase cavity, second liquid phase cavity and third liquid phase cavity match with the gas phase cavity geometry, gas phase
Cavity is fixed in the test container, when thermostat water bath rotation, the first liquid phase cavity or second liquid phase chamber
Body or third liquid phase cavity just with the gas phase cavity one confined space of close tangent formation；
The heating mechanism is located in the test container, for being heated to thermostat water bath, the temperature sensor
It is arranged on the water bath with thermostatic control outer wall of wall, for monitoring the temperature in the thermostat water bath, the heating mechanism, temperature are passed
Sensor passes through lead and connects the control mechanism.
2. a kind of atmospheric corrosion experimental provision of analog different humidity environment according to claim 1, it is characterised in that:
The gas phase cavity is fixed on the inner wall of the test container by three brackets.
3. a kind of atmospheric corrosion experimental provision of analog different humidity environment according to claim 1, it is characterised in that:
Air gauge, the first liquid phase cavity, second liquid phase cavity and third liquid phase cavity are provided at the top of the gas phase cavity
Top and gas phase cavity junction shape be cylinder.
4. a kind of atmospheric corrosion experimental provision of analog different humidity environment according to claim 1, it is characterised in that:
The bottom of the gas phase chamber is provided with rubber ring, and the control mechanism is located at outside the test container.
5. a kind of atmospheric corrosion experimental provision of analog different humidity environment according to claim 1, it is characterised in that:
The gas phase chamber outer wall is enclosed with insulating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821431236.0U CN208805456U (en) | 2018-08-31 | 2018-08-31 | The atmospheric corrosion experimental provision of analog different humidity environment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821431236.0U CN208805456U (en) | 2018-08-31 | 2018-08-31 | The atmospheric corrosion experimental provision of analog different humidity environment |
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| Publication Number | Publication Date |
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| CN208805456U true CN208805456U (en) | 2019-04-30 |
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| CN201821431236.0U Expired - Fee Related CN208805456U (en) | 2018-08-31 | 2018-08-31 | The atmospheric corrosion experimental provision of analog different humidity environment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113341072A (en) * | 2021-06-04 | 2021-09-03 | 中国工程物理研究院总体工程研究所 | Relative humidity environment fast conversion device |
-
2018
- 2018-08-31 CN CN201821431236.0U patent/CN208805456U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113341072A (en) * | 2021-06-04 | 2021-09-03 | 中国工程物理研究院总体工程研究所 | Relative humidity environment fast conversion device |
| CN113341072B (en) * | 2021-06-04 | 2022-11-15 | 中国工程物理研究院总体工程研究所 | Relative humidity environment fast conversion device |
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Granted publication date: 20190430 Termination date: 20190831 |