CN204509356U - Negative pressure constant temperature culture device - Google Patents
Negative pressure constant temperature culture device Download PDFInfo
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- CN204509356U CN204509356U CN201520183762.XU CN201520183762U CN204509356U CN 204509356 U CN204509356 U CN 204509356U CN 201520183762 U CN201520183762 U CN 201520183762U CN 204509356 U CN204509356 U CN 204509356U
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- cabin
- constant temperature
- negative pressure
- culture device
- temperature
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Abstract
The utility model discloses a kind of negative pressure constant temperature culture device, comprise and cultivate cabin and the vacuum pumping pump for vacuumizing formation negative air pressure culture condition to cultivation cabin, also comprise the thermostatic control system for keeping constant temperature in cabin, thermostatic control system comprises temperature sensing assembly and heat supply assembly, heat supply assembly comprises heating duct and provides the calorifier of hot blast for heating duct, cultivate and cabin is provided with two ends and is communicated with in cabin and for the circulation tube of gas circulation in cabin, circulation tube described in heating duct overcoat radius clearance cooperation; Temperature sensing assembly is connected with described calorifier signal, and in cabin, temperature heats blower fan work lower than the temperature required time control of work; At guarantee negative air pressure culture experiment condition, can't produce on the basis of potential safety hazard, reach thermostatic control under negative air pressure culture environment, to solve the problem that existing negative air pressure culture environment can not ensure experiment sample constant temperature growth conditions.
Description
Technical field
The utility model relates to experiment cultivation field, particularly a kind of negative pressure constant temperature culture device.
Background technology
In medical research, be the experimental data under test Different growing environment, need to change experiment condition with the growing state of observation experiment sample, wherein, temperature and pressure are the experiment conditions of outbalance in cell cultures or animal specimen culturing process.Existing experiment incubator is generally used for the sample growing environment provided under normal pressure, experiment sample growing state is under negative pressure needed to use negative air pressure culture case, and existing negative air pressure culture case is owing to being subject to the impact of outside atmosphere, temperature easily produces fluctuation, uncontrolled, easily affect experimental result.
Therefore, need to improve existing negative air pressure culture environment, at guarantee negative air pressure culture experiment condition, can't produce on the basis of potential safety hazard, reach thermostatic control under negative air pressure culture environment, to solve the problem that existing negative air pressure culture environment can not ensure experiment sample constant temperature growth conditions.
Utility model content
In view of this, the utility model provides a kind of negative pressure constant temperature culture device, can negative air pressure culture experiment condition ensured, can't produce on the basis of potential safety hazard, reach thermostatic control under negative air pressure culture environment, to solve the problem that existing negative air pressure culture environment can not ensure experiment sample constant temperature growth conditions.
Negative pressure constant temperature culture device of the present utility model, comprise and cultivate cabin and the vacuum pumping pump for vacuumizing formation negative air pressure culture condition to cultivation cabin, also comprise the thermostatic control system for keeping constant temperature in cabin, thermostatic control system comprises temperature sensing assembly and heat supply assembly, heat supply assembly comprises heating duct and provides the calorifier of hot blast for heating duct, cultivate and cabin is provided with two ends and is communicated with in cabin and for the circulation tube of gas circulation in cabin, circulation tube described in heating duct overcoat radius clearance cooperation;
Temperature sensing assembly is connected with described calorifier signal, and in cabin, temperature heats blower fan work lower than the temperature required time control of work.
Further, cultivate cabin comprise internal layer body, outer layer body and to be arranged between outer layer body and internal layer body and to be close to the thermal insulation layer of setting.
Further, temperature sensing assembly comprises temperature sensor and central controller, temperature sensor is arranged on for detected temperatures in negative air pressure culture cabin, and temperature sensor signal output terminal is connected with central controller input terminus, central controller output terminal and calorifier control linkage.
Further, in heating duct, in hot blast and circulation tube, gas is formed and moves towards countercurrent flow.
Further, temperature sensing assembly also comprises outernal display unit, and outernal display unit is connected with central controller, for showing detected temperatures value.
Further, negative pressure constant temperature culture device also comprises outer means of illumination, and cultivate on cabin and be provided with illumination mouth, outer means of illumination is arranged at described illumination mouth place.
Further, cultivate on cabin and be also provided with porthole.
The beneficial effects of the utility model: negative pressure constant temperature culture device of the present utility model, by vacuum pump, the condition of negative pressure reached needed for experiment is vacuumized to cultivation cabin, owing to arranging the circulation tube being used for gas circulation in cabin and the heating duct circulated for hot blast, when in cabin, gas temperature is lower than experiment temperature required value, control calorifier and produce hot blast, and gas circulates in circulation tube in control cabinet, by the heat exchange of circulation tube and heating duct, gas temperature in cabin is controlled, the utility model is highly sensitive, level of automation is high, there is quite high experimental applications be worth.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described.
Fig. 1 is the utility model structural representation;
Fig. 2 is that the A-A in High pressure culture cabin of the present utility model is to sectional view.
Embodiment
As shown in the figure: the negative pressure constant temperature culture device of the present embodiment, comprise and cultivate cabin 1 and the vacuum pumping pump 2 for vacuumizing formation negative air pressure culture condition to cultivation cabin 1, also comprise the thermostatic control system for keeping constant temperature in cabin, thermostatic control system comprises temperature sensing assembly and heat supply assembly, heat supply assembly comprises heating duct 3 and provides the calorifier 4 of hot blast for heating duct 3, cultivate and cabin 1 is provided with two ends and is communicated with and for the circulation tube 5 of gas circulation in cabin in the cabin in, the also radius clearance cooperation of circulation tube 5 described in heating duct 3 overcoat, temperature sensing assembly is connected with calorifier 4 signal, and in cabin, temperature heats blower fan 4 work lower than the temperature required time control of work, wherein, when testing beginning, vacuumize to cultivating cabin 1 condition of negative pressure formed needed for experiment by vacuum pumping pump 2, the utility model is provided with central control station 8, central control station is provided with negative pressure pressure detection table 13, vacuum pumping pump 2 arranges two, two vacuum pumping pumps 2 can work simultaneously, also single work can be selected, in addition, circulation tube 5 two ends all seal with cultivation cabin 1 and are communicated with, blower fan is provided with in circulation tube 5, blower fan and calorifier 4 temperature in cabin carries out work lower than during experiment set(ting)value, to make in cabin gas circulation by circulation tube 5, and hot blast is passed through in heating duct 3, because circulation tube 5 self-heating airduct 3 inside is passed through and keeps radius clearance with heating duct 3, hot blast flow through circulation tube 5 surface time by the gas of heat supply flow in circulation tube 5, thus reach the object of heating, in addition, calorifier 4 is currently available products, with temperature sensing assembly control linkage, temperature sensing assembly is arranged on central control station, supervisory control desk is also provided with oxygen manometer, power switch, vacuum pumping pump push button and cabin intraoral illumination instruction etc., is prior art, does not repeat them here.
In the present embodiment, cultivate cabin 1 and comprise internal layer body 101, outer layer body 102 and to be arranged between outer layer body 102 and internal layer body 101 and to be close to the thermal insulation layer 103 of setting, under existing constant temperature culture condition, thermostatic control has the mode arranging heat supply water jacket in the body of cabin, by with the flash heat transfer of water jacket wall for body inside, cabin provides working temperature, owing to not arranging lagging material, water jacket wall also can produce with the external wall in cabin necessarily conducts heat, thus cause heat energy loss, by arranging the thermal insulation layer 103 be made up of lagging material between the internal layer body 101 and outer layer body 102 of cabin body in the present embodiment, the heat exchange in the body of cabin and between outside atmosphere can be reduced preferably, reduce heat energy loss, and ensure working temperature in cabin, to reduce energy consumption, wherein thermal insulation layer 103 is made up of lagging material, lagging material can be polystyrene foamed plastics and urethane foam, certainly also can be other existing lagging material, as long as the effect of insulation can be reached.
In the present embodiment, temperature sensing assembly comprises temperature sensor 6 and central controller 7, temperature sensor 6 is arranged on for detected temperatures in negative air pressure culture cabin 1, and temperature sensor 6 signal output part is connected with central controller 7 input terminus, central controller 7 output terminal and calorifier 4 control linkage; Wherein, temperature sensor 6 refers to can experience temperature and the sensor converting usable output signal to, central controller 7 is by existing chip microcontroller, for prior art, do not repeat them here, the probe of temperature sensor 6 is arranged on body inside, cabin for detected temperatures, certainly, also be provided with signal conversion unit, the temperature voltage signal that temperature sensor 6 detects be converted to central controller 7 and can receive and the numerary signal processed, to export.
In the present embodiment, in heating duct 3, in hot blast and circulation tube 5, gas is formed and moves towards countercurrent flow, that is, in heating duct 3, the trend of hot blast is moved towards contrary with gas in circulation tube 5 and formed adverse current, and heat exchange is quick and effective.
In the present embodiment, negative pressure constant temperature culture device also comprises gas supply assembly, gas supply assembly comprises for the oxygen road 14 of oxygen supply with for the many gas airway for carbonic acid gas or other gas, many gas gas is arranged and the branching airways 16 be all communicated with main airway open-close type to comprising main airway 15 with each gas corresponding, and main airway and oxygen road are all communicated with the inner open-close type in negative air pressure culture cabin 1; Oxygen road is used for providing oxygen, form negative-pressure oxygen culture environment, the inlet end in oxygen road is communicated with oxygen storing device, in addition, by arranging many gas airway, culture environment can be changed, to change the suitable growth environment of different microorganisms cell, oxygen road, main airway and branching airways are respectively provided with a by-pass valve control, manually the unlatching of control or the automatic each by-pass valve control of control break, reaches entering of gas with various.
In the present embodiment, temperature sensing assembly also comprises outernal display unit 9, and outernal display unit is connected with central controller 7, for showing detected temperatures value; Outernal display unit is diode (OLED) display screen, is beneficial to experimenter and directly clearly understands temperature in cabin.
In the present embodiment, negative pressure constant temperature culture device also comprises outer means of illumination 10, and cultivate on cabin 1 and be provided with illumination mouth, described outer means of illumination is arranged at described illumination mouth place.
In the present embodiment, negative pressure constant temperature culture device also comprises for detecting the oxygen measuring instrument 11 cultivating oxygen concentration in cabin 1; Oxygen in cabin is measured, is convenient to experimenter and controls.
In the present embodiment, negative air pressure culture cabin 1 is also provided with porthole 12.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (7)
1. a negative pressure constant temperature culture device, it is characterized in that: comprise and cultivate cabin and the vacuum pumping pump for vacuumizing formation negative air pressure culture condition to cultivation cabin, also comprise the thermostatic control system for keeping constant temperature in cabin, described thermostatic control system comprises temperature sensing assembly and heat supply assembly, described heat supply assembly comprises heating duct and provides the calorifier of hot blast for heating duct, described cultivation cabin is provided with two ends and is communicated with in cabin and for the circulation tube of gas circulation in cabin, circulation tube described in described heating duct overcoat radius clearance coordinate;
Described temperature sensing assembly is connected with described calorifier signal, and in cabin, temperature heats blower fan work lower than the temperature required time control of work.
2. negative pressure constant temperature culture device according to claim 1, is characterized in that: described cultivation cabin comprises internal layer body, outer layer body and to be arranged between outer layer body and internal layer body and to be close to the thermal insulation layer of setting.
3. negative pressure constant temperature culture device according to claim 2, it is characterized in that: described temperature sensing assembly comprises temperature sensor and central controller, described temperature sensor is arranged in described negative air pressure culture cabin for detected temperatures, described temperature sensor signal output terminal is connected with central controller input terminus, described central controller output terminal and calorifier control linkage.
4. negative pressure constant temperature culture device according to claim 3, is characterized in that: in described heating duct, in hot blast and described circulation tube, gas is formed and moves towards countercurrent flow.
5. negative pressure constant temperature culture device according to claim 4, it is characterized in that: described temperature sensing assembly also comprises outernal display unit, described outernal display unit is connected with described central controller, for showing detected temperatures value.
6. negative pressure constant temperature culture device according to claim 5, is characterized in that: described negative pressure constant temperature culture device also comprises outer means of illumination, and described cultivation cabin is provided with illumination mouth, and described outer means of illumination is arranged at described illumination mouth place.
7. negative pressure constant temperature culture device according to claim 6, is characterized in that: described cultivation cabin is also provided with porthole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520183762.XU CN204509356U (en) | 2015-03-30 | 2015-03-30 | Negative pressure constant temperature culture device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520183762.XU CN204509356U (en) | 2015-03-30 | 2015-03-30 | Negative pressure constant temperature culture device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204509356U true CN204509356U (en) | 2015-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520183762.XU Expired - Fee Related CN204509356U (en) | 2015-03-30 | 2015-03-30 | Negative pressure constant temperature culture device |
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| CN (1) | CN204509356U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108967221A (en) * | 2018-08-27 | 2018-12-11 | 北京洛必达科技有限公司 | Medical altitude sickness drug test system and method |
| CN114214196A (en) * | 2021-12-16 | 2022-03-22 | 上海东富龙医疗装备有限公司 | Negative pressure type honeycomb culture system |
| CN116235729A (en) * | 2023-02-21 | 2023-06-09 | 四川大学华西医院 | Life experiment cabin for simulating deep composite environment and use method |
-
2015
- 2015-03-30 CN CN201520183762.XU patent/CN204509356U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108967221A (en) * | 2018-08-27 | 2018-12-11 | 北京洛必达科技有限公司 | Medical altitude sickness drug test system and method |
| CN114214196A (en) * | 2021-12-16 | 2022-03-22 | 上海东富龙医疗装备有限公司 | Negative pressure type honeycomb culture system |
| CN116235729A (en) * | 2023-02-21 | 2023-06-09 | 四川大学华西医院 | Life experiment cabin for simulating deep composite environment and use method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 Termination date: 20170330 |