CN202676235U - Small-size water level sensor - Google Patents
Small-size water level sensor Download PDFInfo
- Publication number
- CN202676235U CN202676235U CN 201220292417 CN201220292417U CN202676235U CN 202676235 U CN202676235 U CN 202676235U CN 201220292417 CN201220292417 CN 201220292417 CN 201220292417 U CN201220292417 U CN 201220292417U CN 202676235 U CN202676235 U CN 202676235U
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- Prior art keywords
- base
- level sensor
- water level
- coil
- capping
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- Expired - Lifetime
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- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The utility model discloses a small-size water level sensor, which comprises a seal cover, a base, a variable inductor and a capacitor, wherein the base covers on the seal cover, the variable inductor and the capacitor are arranged in the base, a sealed cavity is arranged between the seal cover and the base, a membrane is arranged in the cavity, a pressure cavity is formed between the membrane and the inner wall of the seal cover, the outer part of the seal cover is provided with an air inlet pipe communicated with the pressure cavity, a top rod positioned in the cavity is arranged on the membrane, the variable inductor consists of a magnetic core, a screw cap and a coil, the magnetic core is sheathed on the top rod, the coil is arranged in the base, the screw cap is positioned at the outer part of the base and is connected with the base through screw threads, a spring is also arranged between the top rod and the screw cap, and an embedding element which is connected with the capacitor and the coil and is used for outputting signals is also arranged on the base. Compared with the prior art, the water level sensor has the advantages that the appearance size is smaller, the size of the sensor becomes smaller through components, the manufacture cost of the sensor can also be reduced, and the economy is improved.
Description
Technical field
The utility model relates to the washing machine technology, and specifically, the utility model relates to a kind of for the small volume of water level sensor on the washing machine.
Background technology
Water level sensor of washing machine is for detection of the variation of water level, and its principle is that the air pressure that produces when utilizing water level to rise is passed on the sensor by pipeline, so that in coil mobile change magnetic flux realization of magnetic core.The level sensor that uses at present also exists bulky defective, causes the manufacturing cost of level sensor higher, and economy is inadequate.
The utility model content
Technical problem to be solved in the utility model provides a kind of small volume of water level sensor, reduces manufacturing cost, improves economy.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of small volume of water level sensor, comprise capping, cover the base in capping, and be located at variometer and electric capacity in this base, between capping and base, has airtight cavity, in cavity, be provided with diaphragm, between diaphragm and capping inwall, be formed with pressure chamber, the outside of capping is provided with the draft tube that is communicated with pressure chamber, be provided with the push rod that is positioned at cavity at diaphragm, variometer is by magnetic core, nut and coil form, and magnetic core is enclosed within on the push rod, coil is located in the base, nut is positioned at the outside of base and is connected with whorl of base, also is provided with spring between push rod and the nut, also is provided with the inserts that is used for output signal that is connected with coil with electric capacity on base.
Described draft tube is straight pipeline.
On described base, also be provided with the protecting cover that covers described inserts and described electric capacity and coil solder joint place.
Described capping is connected that clamping connects with base.
Compared with prior art, this level sensor physical dimension is less, and parts make the smaller volume of sensor, can also reduce the manufacturing cost of sensor, has improved economy.
Description of drawings
Fig. 1 is the structural representation of level sensor of the present utility model;
Mark among the above-mentioned figure is: 1, base; 2, electric capacity; 3, inserts; 4, coil; 5, protecting cover; 6, nut; 7, spring; 8, capping; 9, diaphragm; 10, push rod; 11, magnetic core.
Embodiment
Be illustrated in figure 1 as a kind of small volume of water level sensor of the present utility model, it comprises capping 8, covers the base 1 in capping 8, and is located at variometer and electric capacity 2 in this base 1.Capping 8 is connected with base and is that clamping connects.Between capping 8 and base 1, has airtight cavity, in cavity, be provided with diaphragm 9, between diaphragm 9 and capping 8 inwalls, be formed with pressure chamber, the outside of capping 8 is provided with the draft tube that is communicated with pressure chamber, be provided with the push rod 10 that is positioned at cavity at diaphragm 9, variometer is by magnetic core 11, nut 6 and coil 4 form, magnetic core 11 is enclosed within on the push rod 10, coil 4 is located in the base 1, nut 6 is positioned at the outside of base 1 and is threaded with base 1, also be provided with spring 7 between push rod 10 and the nut 6, on base 1, also be provided with electric capacity 2 and be connected the inserts 3 that is used for output signal that is connected with coil.
As shown in Figure 1, draft tube is straight pipeline.
As shown in Figure 1, on base 1, also be provided with the protecting cover 5 that covers inserts 3 and electric capacity 2 and coil 4 solder joint places.
Compared with prior art, this level sensor physical dimension is less, and parts make the smaller volume of sensor, also because only adopted single electric capacity, thereby has reduced the manufacturing cost of sensor, has improved economy.
The above has carried out exemplary description to the utility model by reference to the accompanying drawings; obviously the utility model specific implementation is not subjected to the restriction of aforesaid way; as long as adopted the improvement of the various unsubstantialities that method of the present utility model design and technical scheme carry out; or without improving design of the present utility model and technical scheme are directly applied to other occasion, all within protection domain of the present utility model.
Claims (4)
1. small volume of water level sensor, it is characterized in that: comprise capping, cover the base in capping, and be located at variometer and electric capacity in this base, between capping and base, has airtight cavity, in cavity, be provided with diaphragm, between diaphragm and capping inwall, be formed with pressure chamber, the outside of capping is provided with the draft tube that is communicated with pressure chamber, be provided with the push rod that is positioned at cavity at diaphragm, variometer is by magnetic core, nut and coil form, magnetic core is enclosed within on the push rod, and coil is located in the base, and nut is positioned at the outside of base and is connected with whorl of base, also be provided with spring between push rod and the nut, on base, also be provided with the inserts that is used for output signal that is connected with coil with electric capacity.
2. small volume of water level sensor according to claim 1, it is characterized in that: described draft tube is straight pipeline.
3. small volume of water level sensor according to claim 1 and 2 is characterized in that: also be provided with the protecting cover that covers described inserts and described electric capacity and coil solder joint place on described base.
4. small volume of water level sensor according to claim 3 is characterized in that: described capping is connected that clamping connects with base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220292417 CN202676235U (en) | 2012-06-21 | 2012-06-21 | Small-size water level sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220292417 CN202676235U (en) | 2012-06-21 | 2012-06-21 | Small-size water level sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202676235U true CN202676235U (en) | 2013-01-16 |
Family
ID=47497134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220292417 Expired - Lifetime CN202676235U (en) | 2012-06-21 | 2012-06-21 | Small-size water level sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202676235U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105200733A (en) * | 2015-08-19 | 2015-12-30 | 巢湖子阳电器有限公司 | Outer cover of water level sensor of washing machine |
| CN109000757A (en) * | 2017-06-06 | 2018-12-14 | 郭江 | A kind of electronic type intelligence real time water level monitoring device |
| CN109406041A (en) * | 2018-09-08 | 2019-03-01 | 芜湖乐佳电器有限公司 | A kind of micro-pressure sensor |
-
2012
- 2012-06-21 CN CN 201220292417 patent/CN202676235U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105200733A (en) * | 2015-08-19 | 2015-12-30 | 巢湖子阳电器有限公司 | Outer cover of water level sensor of washing machine |
| CN109000757A (en) * | 2017-06-06 | 2018-12-14 | 郭江 | A kind of electronic type intelligence real time water level monitoring device |
| CN109406041A (en) * | 2018-09-08 | 2019-03-01 | 芜湖乐佳电器有限公司 | A kind of micro-pressure sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130116 |
|
| CX01 | Expiry of patent term |