CN2566636Y - Cut-off device for electrothermal pipe out-off water of aquarium - Google Patents
Cut-off device for electrothermal pipe out-off water of aquarium Download PDFInfo
- Publication number
- CN2566636Y CN2566636Y CN 02240629 CN02240629U CN2566636Y CN 2566636 Y CN2566636 Y CN 2566636Y CN 02240629 CN02240629 CN 02240629 CN 02240629 U CN02240629 U CN 02240629U CN 2566636 Y CN2566636 Y CN 2566636Y
- Authority
- CN
- China
- Prior art keywords
- aquarium
- automatic switch
- magnet
- water level
- electrothermal tube
- 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
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- Farming Of Fish And Shellfish (AREA)
Abstract
The utility model relates to a cut-off device for an electrothermal pipe out-off water of an aquarium, particularly a low water level power cut-off device of an electrothermal pipe of an aquarium. The electrothermal pipe is provided with an automatic switch which is composed of a dual-metal sheet and a fixed magnet and is used for switching a heating power source, a float which floats on the water surface and has certain height is arranged in the aquarium which is arranged on the outer side of the automatic switch, the upper part of the float is provided with a floating magnet which can attract a contact point of the dual-metal sheet of the automatic switch to disconnect, and the magnetic attraction force of the floating magnet is larger than the magnetic attractive force of a fixed magnet. When the water level of the aquarium is normal water level, the floating magnet can not change the conducting state of the automatic switch because of far from the automatic switch of the electrothermal pipe; when the water level descends by a large margin to lie in the low water level, the floating magnet is close to the automatic switch and overcomes the magnetic attractive force of the fixed magnet to lead the contact point of the dual-metal sheet to disconnect, and thus, the electrothermal pipe stops heating.
Description
Technical field
The utility model relates to a kind of low water level breaker device of aquarium electrothermal tube.
Background technology
Press, aquarium is a kind of equipment of culturing various fancy fishes that is exclusively used in.In order to guarantee normal existence under the fish cryogenic conditions in the winter time, heaters such as electrothermal tube are installed all usually in the aquarium.For making the water body in the aquarium guarantee constant temperature, electrothermal tube is provided with the automatic switch of its heating power supply break-make of controlled.The aquarium electrothermal tube automatic switch of prior art is made of bimetal leaf and fixed magnet usually, and when the water body water temperature is lower than setting value, fixed magnet will attract bimetal leaf and make its contact conducting, electrothermal tube energising heating; And when water temperature exceeded setting range, bimetal leaf will be because of the automatic escape of heat expansion, and electrothermal tube promptly stops heating.When the aquarium water body was kept normal water level, above-mentioned automatic switch was in below the water surface, and bimetal leaf can correctly be responded to water temperature.But when the aquarium water level descends for some reason and fails timely supplementing water, automatic switch will exceed the water surface and can not correctly respond to the water body water temperature, also finally cause fish kills because of water temperature is too high thereby cause electrothermal tube to continue the energising heating.
The utility model content
The purpose of this utility model promptly is to provide a kind of aquarium electrothermal tube dried up breaker device, make it when the aquarium water level descends significantly, turn-off the electrothermal tube automatic switch and make electrothermal tube stop the heating, thereby avoid fish too high and dead because of water temperature.
To achieve these goals, the utility model is provided with one and floats on the float of the water surface and the unsteady magnet that can attract the bimetal leaf contact to disconnect in the one side setting of the top of float in the aquarium in the electrothermal tube automatic switch outside, the magnetic force of the magnet that floats is greater than the magnetic force of fixed magnet.
Based on above structure, unsteady magnet can the lifting with the lifting of aquarium water level, and during normal water level, the magnet that floats is not because of changing the conducting state of automatic switch away from automatic switch; And when low water level, unsteady magnet will and attract the bimetal leaf contact to disconnect near automatic switch, thereby turn-off automatic switch so that electrothermal tube stops heating.Be described in further detail below in conjunction with the technical characterictic of specific embodiment the dried up breaker device of the utility model aquarium electrothermal tube.
Description of drawings
Fig. 1 and Fig. 2 are respectively the schematic diagram of the utility model when normal water level and low water level.
Embodiment
As depicted in figs. 1 and 2, aquarium electrothermal tube 1 of the present utility model is provided with the automatic switch that is used to control its heating power supply break-make, and this automatic switch is made of bimetal leaf 2 and fixed magnet 3.When the water temperature in the aquarium is lower than setting value, fixed magnet 3 will attract bimetal leaf and make its contact conducting, electrothermal tube energising heating; And when water temperature exceeded setting range, bimetal leaf will be because of the automatic escape of heat expansion, and electrothermal tube 1 promptly stops heating.Be provided with the float 5 that floats on the water surface 4 and have certain altitude in the aquarium in the electrothermal tube 1 automatic switch outside, top one side of float 5 is provided with the unsteady magnet 6 that can attract the bimetal leaf contact to disconnect, and the magnetic force of the magnet 6 that floats is greater than the magnetic force of fixed magnet 3.In order to prevent the free electrothermal tubes 1 of float 5, can set firmly a cylinder mould 7 in the outside of electrothermal tube 1 and float 5 is placed in the cylinder mould 7.Like this, float 5 can and can float with the lifting of aquarium water level near electrothermal tube 1, the also lifting thereupon of magnet 6 of floating.When the aquarium water level was normal water level, the magnet 6 that floats was not because of changing the conducting state of automatic switch away from electrothermal tube 1 automatic switch; And descend significantly and when being in low water level when water level, the magnet 6 that floats will and overcome the magnetic attraction of fixed magnet 3 and bimetal leaf 2 contacts are disconnected near automatic switch, and electrothermal tube 1 stops to heat.
In sum as can be known, the utility model is simple in structure, when the aquarium water level descends significantly, aquarium electrothermal tube automatic switch is disconnected, and electrothermal tube stops heating, can prevent to cause the too high fish kills that makes of water temperature because of continuing heating.
Claims (2)
1, the dried up breaker device of a kind of aquarium electrothermal tube, described electrothermal tube is provided with the automatic switch of being formed and be used to control its heating power supply break-make by bimetal leaf and fixed magnet; Feature of the present utility model is to be provided with the float that floats on the water surface and have certain altitude in the aquarium in the described electrothermal tube automatic switch outside, the top of float is provided with the unsteady magnet that can attract the bimetal leaf contact to disconnect, and the magnetic force of the magnet that floats is greater than the magnetic force of fixed magnet.
2, the dried up breaker device of aquarium electrothermal tube according to claim 1 is characterized in that described float places the cylinder mould that is installed in the electrothermal tube outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02240629 CN2566636Y (en) | 2002-06-24 | 2002-06-24 | Cut-off device for electrothermal pipe out-off water of aquarium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02240629 CN2566636Y (en) | 2002-06-24 | 2002-06-24 | Cut-off device for electrothermal pipe out-off water of aquarium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2566636Y true CN2566636Y (en) | 2003-08-20 |
Family
ID=33713693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02240629 Expired - Fee Related CN2566636Y (en) | 2002-06-24 | 2002-06-24 | Cut-off device for electrothermal pipe out-off water of aquarium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2566636Y (en) |
-
2002
- 2002-06-24 CN CN 02240629 patent/CN2566636Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |