CN202720530U - Device capable of realizing low-temperature and high-moisture requirement of incubator - Google Patents
Device capable of realizing low-temperature and high-moisture requirement of incubator Download PDFInfo
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- CN202720530U CN202720530U CN 201220332900 CN201220332900U CN202720530U CN 202720530 U CN202720530 U CN 202720530U CN 201220332900 CN201220332900 CN 201220332900 CN 201220332900 U CN201220332900 U CN 201220332900U CN 202720530 U CN202720530 U CN 202720530U
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- exchanging chamber
- recreation room
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Abstract
The utility model discloses a device capable of realizing the low-temperature and high-moisture requirement of an incubator, which comprises an incubator (12), wherein the inside of the incubator (12) is provided with a sealed cuboid stainless-steel built-in activity room (1); the front side of the built-in activity room (1) is provided with a visible active window (20) made of organic glass for fetching and putting experiment samples; the bottoms of the built-in activity room (1) and a casing pipe heat exchanger (5) are provided with drain pipes (16); the built-in activity room (1) is connected with an air inlet pipe (6) and an air outlet pipe (4); and the air inlet pipe (6) and the air outlet pipe (4) carry out heat exchange via the casing pipe heat exchanger (5). The device disclosed by the utility model has the advantages of simple structure, easiness in manufacturing and assembling and convenience in operation.
Description
Technical field
The utility model relates to the ambient temperature and humidity control field, specifically, is a kind of method and apparatus that can realize the requirement of constant temperature oven low temperature and high relative humidity.
Background technology
In the prior art, most of climatic chambers can comparatively fast and preferably be controlled at the humidity in the climatic chamber under the Arbitrary Relative humidity in 40 ℃ of-98 ℃ of scopes.When the temperature setting in the climatic chamber being set near 0 ℃; most of climatic chambers will stop humidification automatically; this is because evaporator temperature is lower at this moment; water vapor frosting on evaporator coil is constantly arranged; if continuous humidification again; evaporator coil very soon can be too thick and can't temperature control owing to frosting; long time running will cause compressor damage; needing often to shut down defrosting interrupts experiment; therefore near 0 ℃ the time, be to be adjusted to very high humidity, the experiment that just can't meet the demands and under the experiment condition of low temperature and high relative humidity, carry out.
The utility model content
The utility model purpose is to provide a kind of method and apparatus that can realize the requirement of constant temperature oven low temperature and high relative humidity, is used for reaching the purpose that makes existing climatic chamber can control higher levels of humidity when low temperature.
The utility model is achieved through the following technical solutions:
A kind of device that can realize the requirement of constant temperature oven low temperature and high relative humidity, comprise constant temperature oven (12), place the built-in recreation room of airtight rectangular parallelepiped stainless steel (1) in the constant temperature oven (12), built-in recreation room (1) front is provided with the visual activity window (20) of making be used to the organic glass that picks and places laboratory sample, built-in recreation room (1) bottom is provided with drainpipe (16), built-in recreation room (1) is connected with draft tube (6), gas outlet (4), draft tube (6) is connected with double-tube heat exchanger (5) respectively with gas outlet (4), air-exchanging chamber (2) top is connected with water inlet pipe (9) and blowdown pipe (7), air-exchanging chamber (2) bottom is equipped with well heater (8), air-exchanging chamber (2) bottom is provided with rising pipe (10), rising pipe (10) links to each other with water tank (3), micro pump (11) is feedwater in the air-exchanging chamber (2), and water droplet is fallen in the air-exchanging chamber (2) after by humidification grid (25).
Further, the bottom of described built-in recreation room (1) arranges a dividing plate (13), and it is built on stilts that laboratory sample is positioned over the upper bottom interior surface with built-in recreation room (1) of dividing plate (13).
Further, enter in the built-in recreation room (1) after described draft tube (6) process double-tube heat exchanger (5) and gas outlet (4) heat exchange.
Further, liquid level controller (26) is housed in the described air-exchanging chamber (2), the control liquid level is no more than limiting altitude.
Further, the bottom of described air-exchanging chamber (2) is equipped with well heater (8), be provided with the second electronic moisture meter probe (22) in the air-exchanging chamber (2), the second electronic moisture meter probe (22) shows the humidity data that air-exchanging chamber (2) is interior in real time by the second electronic moisture meter (21).
Further, the blowdown pipe (7) of described air-exchanging chamber (2) is connected on the air inlet damping device (23), and surrounding air enters air-exchanging chamber (2) after by damping device (23) humidification.
Further, be provided with platinum resistance temperature-sensing probe (14) in the described built-in recreation room (1), described platinum resistance temperature-sensing probe (14) links to each other with Fluke data collecting instrument (18), and in real time in the upper feedback temperature data of computer (19).
Further, be provided with the first electronic moisture meter probe (15) in the described built-in recreation room (1), the first electronic moisture meter probe (15) shows the humidity data that built-in recreation room (1) is interior in real time by the first electronic moisture meter (17).
Further, described double-tube heat exchanger (5), draft tube (6), rising pipe (10), drainpipe (16), blowdown pipe are all installed solenoid valve on (7).
Further, described solenoid valve, micro pump (11), well heater (8) are connected 26 with level control instrument) be connected with controller (24), sent again the switching of each solenoid valve of signal controlling, micro pump (11), well heater (8) and level control instrument (26) to controller (24) according to the humidity temperature variation by computer.
A kind of concrete measuring process of the device that can realize the requirement of constant temperature oven low temperature and high relative humidity is as follows:
(a) at first laboratory sample is placed on the interior dividing plate (13) of built-in recreation room (1), closes the solenoid valve on visual activity window (20), the drainpipe (16), the solenoid valve on draft tube this moment (6) is in closed condition;
(b) close solenoid valve on the rising pipe (10) of air-exchanging chamber (2), close blowdown pipe (7), the micro pump (11) of opening in the water tank (3) supplies water for air-exchanging chamber (2), when environment temperature is lower than the temperature of recreation room (1), the solenoid valve of opening well heater (8), draft tube (6) is that built-in recreation room (1) carries out humidification, observes humidity by the first electronic moisture meter (17) and the second electronic moisture meter (21) and changes;
(c) when relative humidity reaches requirement, open constant temperature oven (12) and lower the temperature, change by the humiture in platinum resistance temperature-sensing probe (14) and the first electronic moisture meter probe built-in recreation room of (15) real-time monitored (1);
(d) along with the drop in temperature in the built-in recreation room (1), water vapor in the built-in recreation room (1) can be at surface sweating along with under the wall flow, the humidity of constantly observing in the built-in recreation room (1) changes, when the condensate water in built-in recreation room (1) and the double-tube heat exchanger (5) is too much, carry out draining by the solenoid valve on the drainpipe (16).
(e) when air-exchanging chamber (2) liquid level reaches capacity height, liquid level controller (26) will send electric signal, open the solenoid valve of rising pipe (10) solenoid valve and blowdown pipe (7) by controller (24), stop the work of micro pump (11), fresh air enters in the air-exchanging chamber (2) after by damping device (23) humidification;
(f) when water level drops to minimum liquid level, liquid level controller (26) sends electric signal, close rising pipe (10) solenoid valve and blowdown pipe (7) solenoid valve by controller (24), open micro pump (11), will send in the built-in recreation room (1) behind the further humidification of fresh air in the air-exchanging chamber (2).
The utlity model has following advantage:
1, simple in structure, make assembling easily, easy to operate;
In the situation about 2, can unpack in test, reduce constant temperature the temperature inside the box, moisture fluctuation;
3, remedied common climatic chamber can't be controlled higher levels of humidity when low temperature requirement;
4, can change by visual activity window observing samples;
But temperature, moisture fluctuation in the built-in recreation room of 5 real-time monitored.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the structural representation of measurement mechanism in the utility model.
Fig. 2 is an embodiment of the hot procedure for wet processing of the utility model air.
Among the figure: 1. built-in recreation room; 2. air-exchanging chamber; 3. water tank; 4. gas outlet; 5. double-tube heat exchanger; 6. draft tube; 7. blowdown pipe; 8. well heater; 9. water inlet pipe; 10. rising pipe; 11. micro pump; 12. constant temperature oven; 13. dividing plate; 14. platinum resistance temperature-sensing probe; 15. the first electronic moisture meter probe; 16. drainpipe; 17. the first electronic moisture meter; 18.Fluke data collecting instrument; 19. computer; 20. visual activity window; 21. the second electronic moisture meter; 22. the second electronic moisture meter probe; 23. damping device; 24. controller; 25. humidification grid; 26. liquid level controller.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated: the present embodiment is implemented under take technical solutions of the utility model as prerequisite; provided detailed embodiment and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
As shown in Figure 1, comprise constant temperature oven 12 among the figure, the built-in recreation room 1 of the airtight rectangular parallelepiped stainless steel of constant temperature oven 12 interior placements, built-in recreation room 1 front is provided with the visual activity window 20 of making be used to the organic glass that picks and places laboratory sample and is used for picking and placeing laboratory sample.The bottom of built-in recreation room 1 arranges a dividing plate 13, and laboratory sample is positioned on the dividing plate 13 built on stilts with the bottom interior surface of built-in recreation room 1, prevents that laboratory sample from contacting with the water that gets off that condenses.Gas outlet 4 is the open to atmosphere pipelines of connection that are connected on the muffler 5, and the above has valve, closes muffler 5 near the valve at air-exchanging chamber 2 places, draft tube 6 air inlets, and the valve of opening on the gas outlet 4 just can be with the gas in the recreation room 1 discharged to atmospheric environment.
Built-in recreation room 1 bottom and double-tube heat exchanger 5 bottoms are provided with drainpipe 16, are used for getting rid of the water that condenses in recreation room 1 and in the double-tube heat exchanger 5.Built-in recreation room 1 is connected with draft tube 6, gas outlet 4, and draft tube 6 and gas outlet 4 carry out heat interchange by double-tube heat exchanger 5.Be provided with platinum resistance temperature-sensing probe 14 in the built-in recreation room 1, described platinum resistance temperature-sensing probe 14 links to each other with Fluke data collecting instrument 18, and real-time feedback temperature data on computer 19.Be provided with the first electronic moisture meter probe 15, the first electronic moisture meters probe 15 in the built-in recreation room 1 by the humidity data in the built-in recreation room 1 of the first in real time demonstration of electronic moisture meter 17.
Air-exchanging chamber 2 tops are connected with water inlet pipe 9, and the side is connected with blowdown pipe 7.Air-exchanging chamber 2 bottoms are provided with rising pipe 10, rising pipe 10 links to each other with water tank 3, liquid level controller 26 is installed in the air-exchanging chamber 2, when liquid level reaches capacity height, send electric signal to controller 24, solenoid valve on the controller 24 control rising pipes 10 is opened, close micro pump 11, to water tank 3 drainings, the solenoid valve fresh air of opening on the blowdown pipe 7 with Time Controller 24 enters air-exchanging chamber 2 by air humidifying device 23, and when the water level in the air-exchanging chamber 2 reached lowest limit, liquid level controller 26 sent electric signal to controller 24, close the solenoid valve on rising pipe 11 and the blowdown pipe 7, start simultaneously water pump 11.
The bottom of described air-exchanging chamber 2 is equipped with well heater 8, when ambient temperature is lower than calorstat temperature, is used for the water of warming and aeration chamber 2, increases the air humidity in the air-exchanging chamber 2, carries out the gas exchange with built-in recreation room 1 again.Be provided with the second electronic moisture meter probe 22, the second electronic moisture meters probe 22 in the air-exchanging chamber 2 by the second electronic moisture meter 21 real-time humidity datas that show in the air-exchanging chamber 2.
As shown in Figure 2, under the Air-conditioning Engineering ultimate principle instructed, Fig. 2 was the hot procedure for wet processing of typical air:
A, etc. wet intensification B, intensification humidification C, isothermal humidification D, isothermal humidification
E, etc. wet cooling F, equal-enthalpy humidifying G, cooling and dehumidification H, constant enthalpy dehumidification
When the temperature setting in the climatic chamber being set near 0 ℃; most of climatic chambers will stop humidification automatically; this is because evaporator temperature is lower at this moment; water vapor frosting on evaporator coil is constantly arranged; this process is exactly the process of arrow F among Fig. 2, if continuous humidification again, evaporator coil very soon can be too thick and can't temperature control owing to frosting; long time running will cause compressor damage, so will often shut down defrosting experiment be interrupted.The effect of built-in recreation room 1 is exactly the evaporator isolation with the environment of high humidity and constant temperature oven, makes the environment that reaches low temperature and high relative humidity in the built-in recreation room 1, does not affect the normal operation of constant temperature oven.
The purposes of the well heater 8 in air-exchanging chamber 2 is exactly the intensification humidification of the arrow B among Fig. 2, water is sent in the air-exchanging chamber 2 by micro pump 11, give air-exchanging chamber interior air humidification through the humidification grid 25 in the air-exchanging chamber 2, water pump 11 is constantly to air-exchanging chamber 2 interior feedwater, and fresh soft air is undertaken being admitted in the built-in recreation room 1 after the heat interchange by double-tube heat exchanger 5 and gas outlet 4.
The water pump that adopts is miniature aqueous vapor dual-purpose pump-water and gas dual-purpose, small size, and low-noise water pump (WKA series):
Model: WKA600 inhales journey: 1 meter flow: 0.6L/Min lift: 3 meters
Principal feature has:
Can be high temperature resistant (100 degree); Volume extra small (also less than palm); Can dally for a long time, dried turning, have water to draw water, have gas to bleed;
Reliable self-priming (self-priming is up to 1 meter), flow little (0.6L/Min), noise is little;
Can 24 hours continuous operations; Long-term idle running belongs to normal operation, can not damage pump; Be particularly suitable for gas the occasion of water is arranged;
Without oil, do not pollute actuating medium, non-maintaining, any direction is installed.
Purposes: extract water, gas mixed type medium, also or can directly draw water.
The method of operating step of the utility model caliberating device is as follows:
(a) at first laboratory sample is placed on the interior dividing plate (13) of built-in recreation room (1), closes the solenoid valve on visual activity window (20), the drainpipe (16), the solenoid valve on draft tube this moment (6) is in closed condition;
(b) close solenoid valve on the rising pipe (10) of air-exchanging chamber (2), close draft tube (7), the micro pump (11) of opening in the water tank (3) supplies water for air-exchanging chamber (2), the solenoid valve of opening (opening well heater (8) when environment temperature is lower than the temperature of recreation room (1)) draft tube (6) is that built-in recreation room (1) carries out humidification, and the first electronic moisture meter (17) and the second electronic moisture meter (21) are observed humidity and changed;
(c) when relative humidity reaches requirement, open constant temperature oven (12) and lower the temperature, change by the humiture in platinum resistance temperature-sensing probe (14) and the first electronic moisture meter probe built-in recreation room of (15) real-time monitored (1);
(d) along with the drop in temperature in the built-in recreation room (1), the water vapor in the built-in recreation room (1) can be at surface sweating along with under the wall flow, and the humidity of constantly observing in the built-in recreation room (1) changes.When the condensate water in built-in recreation room (1) and the double-tube heat exchanger (5) is too much, carry out draining by the solenoid valve on the drainpipe (16);
(e) when air-exchanging chamber (2) liquid level reached capacity height, liquid level controller (26) will send electric signal, opens the solenoid valve of rising pipe (10) solenoid valve and draft tube (7) by controller (24), stopped water pump (11) work.Fresh air enters in the air-exchanging chamber (2) after by damping device (23) humidification;
(f) when water level drops to minimum liquid level, liquid level controller (26) sends electric signal, close rising pipe (10) solenoid valve and blowdown pipe (7) solenoid valve by controller (24), open water pump (11), with in the air-exchanging chamber (2) think the further humidification of air after send in the built-in recreation room (1).
Above demonstration and described ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the instructions just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (10)
1. the device that can realize the requirement of constant temperature oven low temperature and high relative humidity, it is characterized in that, comprise constant temperature oven (12), place the built-in recreation room of airtight rectangular parallelepiped stainless steel (1) in the constant temperature oven (12), built-in recreation room (1) front is provided with the visual activity window (20) of making be used to the organic glass that picks and places laboratory sample, built-in recreation room (1) bottom is provided with drainpipe (16), built-in recreation room (1) is connected with draft tube (6), gas outlet (4), draft tube (6) is connected with airtight organic glass container air-exchanging chamber (2) respectively with gas outlet (4), air-exchanging chamber (2) top is connected with water inlet pipe (9) and blowdown pipe (7), air-exchanging chamber (2) bottom is equipped with well heater (8), air-exchanging chamber (2) bottom is provided with rising pipe (10), rising pipe (10) links to each other with water tank (3), micro pump (11) is feedwater in the air-exchanging chamber (2), and water droplet is fallen in the air-exchanging chamber (2) after by humidification grid (25).
2. a kind of device that can realize the requirement of constant temperature oven low temperature and high relative humidity according to claim 1, it is characterized in that, the bottom of described built-in recreation room (1) arranges a dividing plate (13), and it is built on stilts that laboratory sample is positioned over the upper bottom interior surface with built-in recreation room (1) of dividing plate (13).
3. a kind of device that can realize the requirement of constant temperature oven low temperature and high relative humidity according to claim 1 is characterized in that, enters in the built-in recreation room (1) after described draft tube (6) process double-tube heat exchanger (5) and gas outlet (4) heat exchange.
4. a kind of device that can realize the requirement of constant temperature oven low temperature and high relative humidity according to claim 1 is characterized in that, liquid level controller (26) is housed in the described air-exchanging chamber (2), and the control liquid level is no more than limiting altitude.
5. a kind of device that can realize the requirement of constant temperature oven low temperature and high relative humidity according to claim 1, it is characterized in that, the bottom of described air-exchanging chamber (2) is equipped with well heater (8), be provided with the second electronic moisture meter probe (22) in the air-exchanging chamber (2), the second electronic moisture meter probe (22) shows the humidity data that air-exchanging chamber (2) is interior in real time by the second electronic moisture meter (21).
6. a kind of device that can realize the requirement of constant temperature oven low temperature and high relative humidity according to claim 1, it is characterized in that, the blowdown pipe (7) of described air-exchanging chamber (2) is connected on the air inlet damping device (23), and surrounding air enters air-exchanging chamber (2) after by damping device (23) humidification.
7. a kind of device that can realize the requirement of constant temperature oven low temperature and high relative humidity according to claim 1, it is characterized in that, be provided with platinum resistance temperature-sensing probe (14) in the described built-in recreation room (1), described platinum resistance temperature-sensing probe (14) links to each other with Fluke data collecting instrument (18), and in real time in the upper feedback temperature data of computer (19).
8. a kind of device that can realize the requirement of constant temperature oven low temperature and high relative humidity according to claim 1, it is characterized in that, be provided with the first electronic moisture meter probe (15) in the described built-in recreation room (1), the first electronic moisture meter probe (15) shows the humidity data that built-in recreation room (1) is interior in real time by the first electronic moisture meter (17).
9. a kind of device that can realize the requirement of constant temperature oven low temperature and high relative humidity according to claim 1 is characterized in that, described double-tube heat exchanger (5), draft tube (6), rising pipe (10), drainpipe (16), blowdown pipe are all installed solenoid valve on (7).
10. a kind of device that can realize the requirement of constant temperature oven low temperature and high relative humidity according to claim 9, it is characterized in that, described solenoid valve, micro pump (11), well heater (8) are connected 26 with level control instrument) be connected with controller (24), sent again the switching of each solenoid valve of signal controlling, micro pump (11), well heater (8) and level control instrument (26) to controller (24) according to the humidity temperature variation by computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220332900 CN202720530U (en) | 2012-07-10 | 2012-07-10 | Device capable of realizing low-temperature and high-moisture requirement of incubator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220332900 CN202720530U (en) | 2012-07-10 | 2012-07-10 | Device capable of realizing low-temperature and high-moisture requirement of incubator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202720530U true CN202720530U (en) | 2013-02-06 |
Family
ID=47622348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220332900 Withdrawn - After Issue CN202720530U (en) | 2012-07-10 | 2012-07-10 | Device capable of realizing low-temperature and high-moisture requirement of incubator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202720530U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102778909A (en) * | 2012-07-10 | 2012-11-14 | 上海海洋大学 | Method and device capable of realizing low-temperature and high-moisture requirement of incubator |
| CN105527219A (en) * | 2016-01-26 | 2016-04-27 | 广东美的暖通设备有限公司 | Moisture-proof testing device |
-
2012
- 2012-07-10 CN CN 201220332900 patent/CN202720530U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102778909A (en) * | 2012-07-10 | 2012-11-14 | 上海海洋大学 | Method and device capable of realizing low-temperature and high-moisture requirement of incubator |
| CN102778909B (en) * | 2012-07-10 | 2014-07-16 | 上海海洋大学 | Method and device capable of realizing low-temperature and high-moisture requirement of incubator |
| CN105527219A (en) * | 2016-01-26 | 2016-04-27 | 广东美的暖通设备有限公司 | Moisture-proof testing device |
| CN105527219B (en) * | 2016-01-26 | 2018-05-01 | 广东美的暖通设备有限公司 | A kind of moisture-proof test device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130206 Effective date of abandoning: 20140716 |
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| RGAV | Abandon patent right to avoid regrant |