CN201397173Y - Water level alarm device for incubator - Google Patents
Water level alarm device for incubator Download PDFInfo
- Publication number
- CN201397173Y CN201397173Y CN 200920071899 CN200920071899U CN201397173Y CN 201397173 Y CN201397173 Y CN 201397173Y CN 200920071899 CN200920071899 CN 200920071899 CN 200920071899 U CN200920071899 U CN 200920071899U CN 201397173 Y CN201397173 Y CN 201397173Y
- Authority
- CN
- China
- Prior art keywords
- alarm device
- cistern
- level alarm
- sensor
- incubator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 73
- 239000007788 liquid Substances 0.000 claims abstract description 15
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 12
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 239000004945 silicone rubber Substances 0.000 claims description 3
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 7
- 238000004140 cleaning Methods 0.000 abstract description 2
- 230000003670 easy-to-clean Effects 0.000 description 6
- 230000001954 sterilising effect Effects 0.000 description 6
- 239000012153 distilled water Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000000523 sample Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 230000001413 cellular effect Effects 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011534 incubation Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004113 cell culture Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
Images
Landscapes
- Emergency Alarm Devices (AREA)
Abstract
The utility model relates to a water level alarm device for an incubator. The water level alarm device comprises an impounding reservoir, a fixed seat, a liquid level sensor, and a fixing nut, wherein, a mounting hole is formed at the bottom of the impounding reservoir; a through hole is formed on the fixed seat comprising a first end part and a second end part; the first end part of the fixed seat is provided with a flange and is positioned in the impounding reservoir, and the second end part thereof penetrates through the mounting hole; the fixing nut is arranged outside the impounding reservoir and meshed with the outer side surface of the second end part through threads; and the base of the liquid level sensor bag is arranged outside the impounding reservoir, the sensing end thereof ispositioned in the through hole in a threaded meshing manner, and the free end of the sensing end penetrates through the through hole. Preferably, the seal ring of the fixed seat is sleeved on the fixed seat and propped against the flange and the bottom of the impounding reservoir; the seal ring of the sensor is sleeved on the sensor and propped against the second end part and the base; the outersurface of the flange is an arc surface; the impounding reservoir adopts a forwardly inclined impounding reservoir; and the fixing nut adopts a hexagonal fixing nut. The water level alarm device has asmart design, can realize in-time alarm, facilitates the use of a user, and is easy for cleaning and disinfection.
Description
Technical field
The utility model relates to the incubator technical field, and particularly incubator warning device technical field specifically is meant a kind of incubator water-level alarm device.
Background technology
In the grown cultures research of biology, pharmaceutical engineering field various types of cells, need the cell culture environment of high humility in the incubator cavity.Therefore existing CO2gas incubator or incubator inner bag bottom needs to be added with certain distilled water to guarantee the high humility in the cavity, because machine water in normal course of operation can constantly reduce, when water reduces to a certain degree, just can not guarantee the high humility in the cavity, thereby cause the failure of cellular incubation.Therefore just need a kind of water-level alarm device to point out the user when water reduces to a certain degree, will in cavity, in time add water.Existing CO2gas incubator or incubator adopt three kinds of modes usually: a kind of mode is on sweptback inner bag bottom surface, bottom the water-level alarm device to be housed, and its shortcoming is to be not easy cleaning inside the water-level alarm device is contained in cavity.The second way is in CO2gas incubator or incubator inside humidity sensor to be housed, but shortcoming is that water has not had soon when humidity sensor perception humidity descends, and is unfavorable for cellular incubation.The third mode is not add any water-level alarm and humidity sensor apparatus, and this requires the user will regularly open incubator with the naked eye to remove to observe water and dropped to how degree, whether need to add water, and operation is trouble.
Therefore, need be at the new water-level alarm device of existing incubator design, it can realize timely warning, makes things convenient for the user, and easy to clean and sterilization.
The utility model content
The purpose of this utility model is to have overcome above-mentioned shortcoming of the prior art, and a kind of incubator water-level alarm device is provided, and this water-level alarm device design is ingenious, and it can realize timely warning, makes things convenient for the user, and easy to clean and sterilization.
To achieve these goals, incubator water-level alarm device of the present utility model has following formation:
This incubator water-level alarm device, comprise cistern, be characterized in, described incubator water-level alarm device also comprises holder, liquid level sensor and hold-down nut, the bottom of described cistern is provided with mounting hole, described holder has perforation, described holder comprises first end and the second end, described first end has flange and is positioned at described cistern, described the second end passes described mounting hole, described hold-down nut is positioned at outside the described cistern and is threadably engaged on the outer surface of described the second end, described liquid level sensor comprises pedestal and the sensor ends that is fixed on the described pedestal, described pedestal is positioned at outside the described cistern, described sensor ends be arranged in described perforation and with described perforation screw-threaded engagement, and the free end of described sensor ends passes described perforation.
Preferably, described incubator water-level alarm device also comprises the holder O-ring seal, and described holder O-ring seal is socketed on the described holder and between the bottom of described flange and described cistern and respectively against the bottom of described flange and described cistern.
More preferably, described flange is provided with the annular groove towards the bottom of described cistern, and described holder O-ring seal is positioned at described annular groove.
More preferably, described holder O-ring seal is the holder silicone rubber O-ring.
Preferably, described incubator water-level alarm device also comprises the sensor O-ring seal, and described sensor O-ring seal is socketed on the described sensor ends also respectively against described the second end and described pedestal.
More preferably, described the second end is provided with annular recess along the circumference of described perforation, and described sensor O-ring seal is arranged in described annular recess.
Preferably, the outside surface of described flange is an arc surface.
More preferably, the end face of described first end and described arc surface form continuous surface.
Preferably, described cistern is the turn forward cistern or the cistern that recedes, and described hold-down nut is hexagonal hold-down nut or triangle hold-down nut.
More preferably, described mounting hole is arranged on the lowest part position of the described cistern that turns forward.
The beneficial effects of the utility model are:
1, holder of the present utility model passes mounting hole and is fixed by the hold-down nut screw thread outside the cistern in cistern, thereby the liquid sensor screw thread wears the perforation of holder and penetrates the cistern outside cistern, easy for installation, when incubator in normal course of operation, when water reduces to a certain degree, sound and light alarm just adds water in the incubator cavity to notify the user toward cistern timely, thereby no longer need the user must remove to observe water level, greatly facilitate user's use every a period of time;
2, water-level alarm device of the present utility model is positioned at the cistern front side of incubator cavity just, and holder adopts materials such as electropolishing stainless steel or copper, and the end face and the ledge surface of first end are designed to continuous surface, arc chord angle is excessive, do not pollute the dead angle, easy to clean and the sterilization, can effectively reduce contamination of heavy;
3, water-level alarm device of the present utility model has holder O-ring seal and sensor O-ring seal respectively inside and outside cistern, through seepage test good sealing effect;
4, water-level alarm device of the present utility model is installed in groove that the incubator front side of the cistern that turns forward forms near the minimum point place, can effectively reduce the drop danger of damage sensor probe of incubator internal shelf;
5, water-level alarm device of the present utility model makes things convenient for the user to add water, serves as to flood water-level alarm device sensor probe certain altitude and both can with reference to directly adding water to the water-level alarm device.
Description of drawings
Fig. 1 is that the master of a specific embodiment of the present utility model looks synoptic diagram.
Fig. 2 is the schematic side view of specific embodiment shown in Figure 1.
Fig. 3 is the broken section enlarged diagram of area E among Fig. 2.
Fig. 4 is the exploded perspective view of specific embodiment shown in Figure 2.
Embodiment
In order more to be expressly understood technology contents of the present utility model, describe in detail especially exemplified by following examples.
See also shown in Fig. 1-3, incubator water-level alarm device of the present utility model, comprise cistern 1, also comprise holder 2, liquid level sensor 3 and hold-down nut 4, the bottom of described cistern 1 is provided with mounting hole 5, described holder 2 has perforation 6, described holder 2 comprises first end 21 and the second end 22, described first end 21 has flange 23 and is positioned at described cistern 1, described the second end 22 passes described mounting hole 5, described hold-down nut 4 is positioned at outside the described cistern 1 and is threadably engaged on the outer surface of described the second end 22, described liquid level sensor 3 comprises pedestal 31 and the sensor ends 32 that is fixed on the described pedestal 31, described pedestal 31 is positioned at outside the described cistern 1, described sensor ends 32 be arranged in described perforation 6 and with described perforation 6 screw-threaded engagement, and the free end of described sensor ends 32 passes described perforation 6.For easy to clean and sterilization, holder 2 outside surfaces adopt electropolishing stainless steel or copper material usually.
Preferably, described incubator water-level alarm device also comprises holder O-ring seal 7, and described holder O-ring seal 7 is socketed on the described holder 2 and between the bottom of described flange 23 and described cistern 1 and respectively against the bottom of described flange 23 and described cistern 1.
More preferably, described flange 23 is provided with the annular groove towards the bottom of described cistern 1, and described holder O-ring seal 7 is positioned at described annular groove.
In a specific embodiment of the present utility model, described holder O-ring seal 7 is holder silicone rubber O-rings.
Preferably, described incubator water-level alarm device also comprises sensor O-ring seal 8, and described sensor O-ring seal 8 is socketed on the described sensor ends 32 also respectively against described the second end 22 and described pedestal 31.
In a specific embodiment of the present utility model, described the second end 22 is provided with annular recess along the circumference of described perforation 6, and described sensor O-ring seal 8 is arranged in described annular recess.
Preferably, the outside surface of described flange 23 is an arc surface.
In a specific embodiment of the present utility model, the end face of described first end 21 and described arc surface form continuous surface.
Preferably, described cistern 1 is the turn forward cistern or the cistern that recedes, and described hold-down nut 4 is hexagonal hold-down nut or triangle hold-down nut.In a specific embodiment of the present utility model, described cistern 1 is the cistern that turns forward, and described hold-down nut 4 is hexagonal hold-down nuts.
More preferably, described mounting hole 5 is arranged on the lowest part position of the described cistern that turns forward.The particular location that described mounting hole 5 is positioned at the cistern that turns forward is decided jointly by the tilt angle alpha of the cistern that turns forward and the induction position of high strength photoelectricity liquid level sensor 3.When distilled water is poured in the cistern that turns forward, (wherein a pours the surface level width that water forms into to be easy to draw this volume V=1/2absin α w that pours distilled water into, b is the length of side of pouring a subtriangular limit of water formation into, w is the inner chamber width of incubator such as CO2gas incubator), because of incubator such as CO2gas incubator in order to guarantee the high humility of cavity, require to add inner water at least 200～300ml, therefore require the volume V that pours distilled water into will be no less than 200～300ml, can draw at this point a lowest water level face just in time with the induction position of liquid level sensor 3 on this plane, so just can location and installation hole 5 the concrete position on the cistern bottom surface that turns forward.The water-level alarm device is installed on the cistern that turns forward by this mounting hole 5, because this cistern incubator that turns forward is for turning forward, its lowest surfaces is positioned at incubator cavity front side, therefore the water-level alarm device is positioned at the groove of the cistern incubator cavity front side formation that turns forward near the minimum point place, liquid level sensor 3 should adopt the high strength structure material, can effectively reduce the incubator internal shelf drop the damage sensor ends 32 free end be the possibility of sensor probe.Making things convenient for the user to add water, serves as to flood water-level alarm device sensor probe certain altitude and both can with reference to directly adding water to the water-level alarm device.When incubator such as CO2gas incubator in normal course of operation, when water level drops to the lowest water level face when following, liquid level sensor 3 can send signal timely, at this moment incubator notifies in user's cavity water level low with the form of sound and light alarm, need in cavity, to add water, remove to observe water level thereby no longer need user's compartment time must open the cultivation chamber door, be user-friendly to greatly.
During the utility model assembling, see also Fig. 4, holder 2 is positioned at the cistern inside that turns forward with holder O-ring seal 7, holder O-ring seal 7 is enclosed within the annular groove of holder 2, and be pressed in by mounting hole 5 on the lower surface of the cistern that turns forward, because holder 2 outside surfaces adopt electropolishing stainless steel or copper material, design surface is that arc chord angle is excessive, therefore do not pollute the dead angle, easy to clean and the sterilization, can effectively reduce contamination of heavy, hold-down nut 4 is positioned at the cistern outside that turns forward, and be tightened on holder 2 external threads by internal thread, sensor O-ring seal 8 is enclosed within on the liquid level sensor 3 to screw at holder 2 internal thread holes by liquid level sensor 3 external threads from the cistern outside that turns forward and promptly bores a hole in 6.Since on holder O-ring seal 7 is arranged, 8 sealings of sensor O-ring seal are arranged down, through water test leakage examination good sealing effect.
To sum up, incubator water-level alarm device design of the present utility model is ingenious, and it can realize timely warning, makes things convenient for the user, and easy to clean and sterilization.
In this instructions, the utility model is described with reference to its certain embodiments.But, still can make various modifications and conversion obviously and not deviate from spirit and scope of the present utility model.Therefore, instructions and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (10)
1. incubator water-level alarm device, comprise cistern, it is characterized in that, described incubator water-level alarm device also comprises holder, liquid level sensor and hold-down nut, the bottom of described cistern is provided with mounting hole, described holder has perforation, described holder comprises first end and the second end, described first end has flange and is positioned at described cistern, described the second end passes described mounting hole, described hold-down nut is positioned at outside the described cistern and is threadably engaged on the outer surface of described the second end, described liquid level sensor comprises pedestal and the sensor ends that is fixed on the described pedestal, described pedestal is positioned at outside the described cistern, described sensor ends be arranged in described perforation and with described perforation screw-threaded engagement, and the free end of described sensor ends passes described perforation.
2. incubator water-level alarm device according to claim 1, it is characterized in that, described incubator water-level alarm device also comprises the holder O-ring seal, and described holder O-ring seal is socketed on the described holder and between the bottom of described flange and described cistern and respectively against the bottom of described flange and described cistern.
3. incubator water-level alarm device according to claim 2 is characterized in that described flange is provided with the annular groove towards the bottom of described cistern, and described holder O-ring seal is positioned at described annular groove.
4. incubator water-level alarm device according to claim 2 is characterized in that described holder O-ring seal is the holder silicone rubber O-ring.
5. incubator water-level alarm device according to claim 1, it is characterized in that, described incubator water-level alarm device also comprises the sensor O-ring seal, and described sensor O-ring seal is socketed on the described sensor ends also respectively against described the second end and described pedestal.
6. incubator water-level alarm device according to claim 5 is characterized in that described the second end is provided with annular recess along the circumference of described perforation, and described sensor O-ring seal is arranged in described annular recess.
7. incubator water-level alarm device according to claim 1 is characterized in that the outside surface of described flange is an arc surface.
8. incubator water-level alarm device according to claim 7 is characterized in that, the end face of described first end and described arc surface form continuous surface.
9. incubator water-level alarm device according to claim 1 is characterized in that, described cistern is the turn forward cistern or the cistern that recedes, and described hold-down nut is hexagonal hold-down nut or triangle hold-down nut.
10. incubator water-level alarm device according to claim 9 is characterized in that described mounting hole is arranged on the lowest part position of the described cistern that turns forward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920071899 CN201397173Y (en) | 2009-05-08 | 2009-05-08 | Water level alarm device for incubator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920071899 CN201397173Y (en) | 2009-05-08 | 2009-05-08 | Water level alarm device for incubator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201397173Y true CN201397173Y (en) | 2010-02-03 |
Family
ID=41619691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920071899 Expired - Fee Related CN201397173Y (en) | 2009-05-08 | 2009-05-08 | Water level alarm device for incubator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201397173Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102393235A (en) * | 2011-10-08 | 2012-03-28 | 中国科学院广州地球化学研究所 | Electrode type liquid level probe available to deep sea environment |
-
2009
- 2009-05-08 CN CN 200920071899 patent/CN201397173Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102393235A (en) * | 2011-10-08 | 2012-03-28 | 中国科学院广州地球化学研究所 | Electrode type liquid level probe available to deep sea environment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201397173Y (en) | Water level alarm device for incubator | |
| CN215608009U (en) | A drainage bottle with liquid level alarm function | |
| CN107986477B (en) | Outdoor drinking water device | |
| CN210487009U (en) | Be applied to purifier raw water tank water level detection device | |
| CN201924438U (en) | Fishbone-shaped seal ring for drainage pipe of water closet | |
| CN204649729U (en) | A kind of water quality sensor | |
| CN214200209U (en) | Long-range integration monitoring early warning device of sewage discharge | |
| WO2011127801A1 (en) | Methane generator with protuberant cover | |
| CN211401367U (en) | Water level monitoring device for hydraulic engineering | |
| CN204142320U (en) | A kind of Mirror for indicating oil level being convenient to observation scale | |
| CN211359839U (en) | Silicon material cleaning basket | |
| CN201499573U (en) | Pickle jar | |
| CN202899226U (en) | Clean water tank based on singlechip 89c51 | |
| CN206595307U (en) | A kind of novel storage battery | |
| CN205210070U (en) | Wireless water quality monitoring node structure | |
| CN212932035U (en) | Environmental pollution detects quality of water sampling device | |
| CN214040251U (en) | Water cellar low water level alarm system | |
| CN214884261U (en) | Combined floor drain cover | |
| CN220418892U (en) | Efficient water quality sampling device for mariculture | |
| CN210982929U (en) | Liquid viewing mirror | |
| CN218199452U (en) | Agricultural sewage sample strorage device | |
| CN204313951U (en) | For the early warning support bar of electronics weighing platform | |
| CN202547724U (en) | Slab liquid indicator for measuring tank | |
| CN201957600U (en) | Self purification drain valve for aquatic mode organism culture tank | |
| CN210037779U (en) | Water tank water quality monitoring device |
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: 20100203 Termination date: 20180508 |